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2021-09-13Merge tag 'perf-tools-for-v5.15-2021-09-11' of ↵Linus Torvalds36-175/+1147
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull more perf tools updates from Arnaldo Carvalho de Melo: - Add missing fields and remove some duplicate fields when printing a perf_event_attr. - Fix hybrid config terms list corruption. - Update kernel header copies, some resulted in new kernel features being automagically added to 'perf trace' syscall/tracepoint argument id->string translators. - Add a file generated during the documentation build to .gitignore. - Add an option to build without libbfd, as some distros, like Debian consider its ABI unstable. - Add support to print a textual representation of IBS raw sample data in 'perf report'. - Fix bpf 'perf test' sample mismatch reporting - Fix passing arguments to stackcollapse report in a 'perf script' python script. - Allow build-id with trailing zeros. - Look for ImageBase in PE file to compute .text offset. * tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (25 commits) tools headers UAPI: Update tools's copy of drm.h headers tools headers UAPI: Sync drm/i915_drm.h with the kernel sources tools headers UAPI: Sync linux/fs.h with the kernel sources tools headers UAPI: Sync linux/in.h copy with the kernel sources perf tools: Add an option to build without libbfd perf tools: Allow build-id with trailing zeros perf tools: Fix hybrid config terms list corruption perf tools: Factor out copy_config_terms() and free_config_terms() perf tools: Fix perf_event_attr__fprintf() missing/dupl. fields perf tools: Ignore Documentation dependency file perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versions tools include UAPI: Update linux/mount.h copy perf beauty: Cover more flags in the move_mount syscall argument beautifier tools headers UAPI: Sync linux/prctl.h with the kernel sources tools include UAPI: Sync sound/asound.h copy with the kernel sources tools headers UAPI: Sync linux/kvm.h with the kernel sources tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources perf report: Add support to print a textual representation of IBS raw sample data perf report: Add tools/arch/x86/include/asm/amd-ibs.h perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappings ...
2021-09-12Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-1/+7
Pull virtio updates from Michael Tsirkin: - vduse driver ("vDPA Device in Userspace") supporting emulated virtio block devices - virtio-vsock support for end of record with SEQPACKET - vdpa: mac and mq support for ifcvf and mlx5 - vdpa: management netlink for ifcvf - virtio-i2c, gpio dt bindings - misc fixes and cleanups * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (39 commits) Documentation: Add documentation for VDUSE vduse: Introduce VDUSE - vDPA Device in Userspace vduse: Implement an MMU-based software IOTLB vdpa: Support transferring virtual addressing during DMA mapping vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap() vdpa: Add an opaque pointer for vdpa_config_ops.dma_map() vhost-iotlb: Add an opaque pointer for vhost IOTLB vhost-vdpa: Handle the failure of vdpa_reset() vdpa: Add reset callback in vdpa_config_ops vdpa: Fix some coding style issues file: Export receive_fd() to modules eventfd: Export eventfd_wake_count to modules iova: Export alloc_iova_fast() and free_iova_fast() virtio-blk: remove unneeded "likely" statements virtio-balloon: Use virtio_find_vqs() helper vdpa: Make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro vsock_test: update message bounds test for MSG_EOR af_vsock: rename variables in receive loop virtio/vsock: support MSG_EOR bit processing vhost/vsock: support MSG_EOR bit processing ...
2021-09-11tools headers UAPI: Update tools's copy of drm.h headersArnaldo Carvalho de Melo1-2/+12
Picking the changes from: 17ce9c61c71cbc0d ("drm: document DRM_IOCTL_MODE_RMFB") Doesn't result in any tooling changes: $ tools/perf/trace/beauty/drm_ioctl.sh > before $ cp include/uapi/drm/drm.h tools/include/uapi/drm/drm.h $ tools/perf/trace/beauty/drm_ioctl.sh > after $ diff -u before after Silencing these perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h' diff -u tools/include/uapi/drm/drm.h include/uapi/drm/drm.h Cc: Simon Ser <contact@emersion.fr> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools headers UAPI: Sync drm/i915_drm.h with the kernel sourcesArnaldo Carvalho de Melo1-81/+417
To pick the changes in: b65a9489730a2494 ("drm/i915/userptr: Probe existence of backing struct pages upon creation") ee242ca704d38699 ("drm/i915/guc: Implement GuC priority management") 81340cf3bddded4f ("drm/i915/uapi: reject set_domain for discrete") 7961c5b60f23dff5 ("drm/i915: Add TTM offset argument to mmap.") aef7b67a79564f6c ("drm/i915/uapi: convert drm_i915_gem_userptr to kernel doc") e7737b67ab46ee0e ("drm/i915/uapi: reject caching ioctls for discrete") 3aa8c57fe25a9247 ("drm/i915/uapi: convert drm_i915_gem_set_domain to kernel doc") 289f5a72009b8f67 ("drm/i915/uapi: convert drm_i915_gem_caching to kernel doc") 4a766ae40ec83301 ("drm/i915: Drop the CONTEXT_CLONE API (v2)") 6ff6d61dd2a943bd ("drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP") fe4751c3d513ff4f ("drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE") 577729533cdc4e37 ("drm/i915: Document the Virtual Engine uAPI") c649432e86ca677d ("drm/i915: Fix busy ioctl commentary") That doesn't result in any changes to tooling as no new ioctl were added (at least not perceived by tools/perf/trace/beauty/drm_ioctl.sh). Addressing this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h' diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jason Ekstrand <jason@jlekstrand.net> Cc: John Harrison <John.C.Harrison@Intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Matthew Brost <matthew.brost@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools headers UAPI: Sync linux/fs.h with the kernel sourcesArnaldo Carvalho de Melo1-0/+1
To pick the change in: 7957d93bf32bc211 ("block: add ioctl to read the disk sequence number") It adds a new ioctl, but we are still not using that to generate tables for 'perf trace', so no changes in tooling. This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h' diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h Cc: Jens Axboe <axboe@kernel.dk> Cc: Matteo Croce <mcroce@microsoft.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools headers UAPI: Sync linux/in.h copy with the kernel sourcesArnaldo Carvalho de Melo1-10/+32
To pick the changes in: db243b796439c0ca ("net/ipv4/ipv6: Replace one-element arraya with flexible-array members") 2d3e5caf96b9449a ("net/ipv4: Replace one-element array with flexible-array member") That don't result in any change in tooling, the structs changed remains with the same layout. This addresses this build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h' diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h Cc: David S. Miller <davem@davemloft.net> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf tools: Add an option to build without libbfdIan Rogers1-22/+25
Some distributions, like debian, don't link perf with libbfd. Add a build flag to make this configuration buildable and testable. This was inspired by: https://lore.kernel.org/linux-perf-users/20210910102307.2055484-1-tonyg@leastfixedpoint.com/T/#u Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: tony garnock-jones <tonyg@leastfixedpoint.com> Link: http://lore.kernel.org/lkml/20210910225756.729087-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf tools: Allow build-id with trailing zerosNamhyung Kim1-0/+10
Currently perf saves a build-id with size but old versions assumes the size of 20. In case the build-id is less than 20 (like for MD5), it'd fill the rest with 0s. I saw a problem when old version of perf record saved a binary in the build-id cache and new version of perf reads the data. The symbols should be read from the build-id cache (as the path no longer has the same binary) but it failed due to mismatch in the build-id. symsrc__init: build id mismatch for /home/namhyung/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf. The build-id event in the data has 20 byte build-ids, but it saw a different size (16) when it reads the build-id of the elf file in the build-id cache. $ readelf -n ~/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf Displaying notes found in: .note.gnu.build-id Owner Data size Description GNU 0x00000010 NT_GNU_BUILD_ID (unique build ID bitstring) Build ID: 53e4c2f42a4c61a2d632d92a72afa08f Let's fix this by allowing trailing zeros if the size is different. Fixes: 39be8d0115b321ed ("perf tools: Pass build_id object to dso__build_id_equal()") Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210910224630.1084877-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf tools: Fix hybrid config terms list corruptionAdrian Hunter2-9/+27
A config terms list was spliced twice, resulting in a never-ending loop when the list was traversed. Fix by using list_splice_init() and copying and freeing the lists as necessary. This patch also depends on patch "perf tools: Factor out copy_config_terms() and free_config_terms()" Example on ADL: Before: # perf record -e '{intel_pt//,cycles/aux-sample-size=4096/pp}' uname & # jobs [1]+ Running perf record -e "{intel_pt//,cycles/aux-sample-size=4096/pp}" uname # perf top -E 10 PerfTop: 4071 irqs/sec kernel: 6.9% exact: 100.0% lost: 0/0 drop: 0/0 [4000Hz cycles], (all, 24 CPUs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 97.60% perf [.] __evsel__get_config_term 0.25% [kernel] [k] kallsyms_expand_symbol.constprop.13 0.24% perf [.] kallsyms__parse 0.15% [kernel] [k] _raw_spin_lock 0.14% [kernel] [k] number 0.13% [kernel] [k] advance_transaction 0.08% [kernel] [k] format_decode 0.08% perf [.] map__process_kallsym_symbol 0.08% perf [.] rb_insert_color 0.08% [kernel] [k] vsnprintf exiting. # kill %1 After: # perf record -e '{intel_pt//,cycles/aux-sample-size=4096/pp}' uname & Linux [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.060 MB perf.data ] # perf script | head perf-exec 604 [001] 1827.312293: psb: psb offs: 0 ffffffffb8415e87 pt_config_start+0x37 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb856a3bd event_sched_in.isra.133+0xfd ([kernel.kallsyms]) => ffffffffb856a9a0 perf_pmu_nop_void+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb856b10e merge_sched_in+0x26e ([kernel.kallsyms]) => ffffffffb856a2c0 event_sched_in.isra.133+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb856a45d event_sched_in.isra.133+0x19d ([kernel.kallsyms]) => ffffffffb8568b80 perf_event_set_state.part.61+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb8568b86 perf_event_set_state.part.61+0x6 ([kernel.kallsyms]) => ffffffffb85662a0 perf_event_update_time+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb856a35c event_sched_in.isra.133+0x9c ([kernel.kallsyms]) => ffffffffb8567610 perf_log_itrace_start+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb856a377 event_sched_in.isra.133+0xb7 ([kernel.kallsyms]) => ffffffffb8403b40 x86_pmu_add+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb8403b86 x86_pmu_add+0x46 ([kernel.kallsyms]) => ffffffffb8403940 collect_events+0x0 ([kernel.kallsyms]) perf-exec 604 1827.312293: 1 branches: ffffffffb8403a7b collect_events+0x13b ([kernel.kallsyms]) => ffffffffb8402cd0 collect_event+0x0 ([kernel.kallsyms]) Fixes: 30def61f64bac5 ("perf parse-events Create two hybrid cache events") Fixes: 94da591b1c7913 ("perf parse-events Create two hybrid raw events") Fixes: 9cbfa2f64c04d9 ("perf parse-events Create two hybrid hardware events") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Link: https //lore.kernel.org/r/20210909125508.28693-3-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf tools: Factor out copy_config_terms() and free_config_terms()Adrian Hunter3-13/+19
Factor out copy_config_terms() and free_config_terms() so that they can be reused. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Link: https //lore.kernel.org/r/20210909125508.28693-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf tools: Fix perf_event_attr__fprintf() missing/dupl. fieldsAdrian Hunter1-1/+4
Some fields are missing and text_poke is duplicated. Fix that up. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20210911120550.12203-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf tools: Ignore Documentation dependency fileIan Rogers1-0/+1
When building directly on the checked out repository the build process produces a file that should be ignored, so add it to .gitignore. Fixes: a81df63a5df3e195 ("perf doc: Fix doc.dep") Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210910232249.739661-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11Merge tag 'thermal-v5.15-rc1' of ↵Linus Torvalds1-7/+3
git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal updates from Daniel Lezcano: - Add the tegra3 thermal sensor and fix the compilation testing on tegra by adding a dependency on ARCH_TEGRA along with COMPILE_TEST (Dmitry Osipenko) - Fix the error code for the exynos when devm_get_clk() fails (Dan Carpenter) - Add the TCC cooling support for AlderLake platform (Sumeet Pawnikar) - Add support for hardware trip points for the rcar gen3 thermal driver and store TSC id as unsigned int (Niklas Söderlund) - Replace the deprecated CPU-hotplug functions get_online_cpus() and put_online_cpus (Sebastian Andrzej Siewior) - Add the thermal tools directory in the MAINTAINERS file (Daniel Lezcano) - Fix the Makefile and the cross compilation flags for the userspace 'tmon' tool (Rolf Eike Beer) - Allow to use the IMOK independently from the GDDV on Int340x (Sumeet Pawnikar) - Fix the stub thermal_cooling_device_register() function prototype which does not match the real function (Arnd Bergmann) - Make the thermal trip point optional in the DT bindings (Maxime Ripard) - Fix a typo in a comment in the core code (Geert Uytterhoeven) - Reduce the verbosity of the trace in the SoC thermal tegra driver (Dmitry Osipenko) - Add the support for the LMh (Limit Management hardware) driver on the QCom platforms (Thara Gopinath) - Allow processing of HWP interrupt by adding a weak function in the Intel driver (Srinivas Pandruvada) - Prevent an abort of the sensor probe is a channel is not used (Matthias Kaehlcke) * tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: thermal/drivers/qcom/spmi-adc-tm5: Don't abort probing if a sensor is not used thermal/drivers/intel: Allow processing of HWP interrupt dt-bindings: thermal: Add dt binding for QCOM LMh thermal/drivers/qcom: Add support for LMh driver firmware: qcom_scm: Introduce SCM calls to access LMh thermal/drivers/tegra-soctherm: Silence message about clamped temperature thermal: Spelling s/scallbacks/callbacks/ dt-bindings: thermal: Make trips node optional thermal/core: Fix thermal_cooling_device_register() prototype thermal/drivers/int340x: Use IMOK independently tools/thermal/tmon: Add cross compiling support thermal/tools/tmon: Improve the Makefile MAINTAINERS: Add missing userspace thermal tools to the thermal section thermal/drivers/intel_powerclamp: Replace deprecated CPU-hotplug functions. thermal/drivers/rcar_gen3_thermal: Store TSC id as unsigned int thermal/drivers/rcar_gen3_thermal: Add support for hardware trip points drivers/thermal/intel: Add TCC cooling support for AlderLake platform thermal/drivers/exynos: Fix an error code in exynos_tmu_probe() thermal/drivers/tegra: Correct compile-testing of drivers thermal/drivers/tegra: Add driver for Tegra30 thermal sensor
2021-09-11perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versionsArnaldo Carvalho de Melo1-0/+8
The btf__get_from_id() function was deprecated in favour of btf__load_from_kernel_by_id(), but it is still avaiable, so use it to provide a weak function btf__load_from_kernel_by_id() for older libbpf when building perf with LIBBPF_DYNAMIC=1, i.e. using the system's libbpf package. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools include UAPI: Update linux/mount.h copyArnaldo Carvalho de Melo1-1/+2
To pick the changes from: 9ffb14ef61bab83f ("move_mount: allow to add a mount into an existing group") That ends up adding support for the new MOVE_MOUNT_SET_GROUP move_mount flag. $ tools/perf/trace/beauty/move_mount_flags.sh > before $ cp include/uapi/linux/mount.h tools/include/uapi/linux/mount.h $ tools/perf/trace/beauty/move_mount_flags.sh > after $ diff -u before after --- before 2021-09-10 12:28:43.865279808 -0300 +++ after 2021-09-10 12:28:50.183429184 -0300 @@ -5,4 +5,5 @@ [ilog2(0x00000010) + 1] = "T_SYMLINKS", [ilog2(0x00000020) + 1] = "T_AUTOMOUNTS", [ilog2(0x00000040) + 1] = "T_EMPTY_PATH", + [ilog2(0x00000100) + 1] = "SET_GROUP", }; $ So now one can use it in --filter expressions for tracepoints. This silences this perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/linux/mount.h' differs from latest version at 'include/uapi/linux/mount.h' diff -u tools/include/uapi/linux/mount.h include/uapi/linux/mount.h Cc: Christian Brauner <christian.brauner@ubuntu.com> Cc: Pavel Tikhomirov <ptikhomirov@virtuozzo.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf beauty: Cover more flags in the move_mount syscall argument beautifierArnaldo Carvalho de Melo1-1/+1
Previously the regext expected MOVE_MOUNT_[FT]_*, but in the next patch a flag that doesn't match that expression will be added, MOVE_MOUNT_SET_GROUP To make this more future proof, take advantage of the fact that the only one we don't need to cover is MOVE_MOUNT__MASK and use MOVE_MOUNT_[^_]+_*_. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools headers UAPI: Sync linux/prctl.h with the kernel sourcesArnaldo Carvalho de Melo1-5/+7
To pick the changes in: 433c38f40f6a81cf ("arm64: mte: change ASYNC and SYNC TCF settings into bitfields") e893bb1bb4d2eb63 ("x86, prctl: Hook L1D flushing in via prctl") That don't result in any changes in tooling: $ tools/perf/trace/beauty/prctl_option.sh > before $ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h $ tools/perf/trace/beauty/prctl_option.sh > after $ diff -u before after $ Just silences this perf tools build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h' diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h Cc: Balbir Singh <sblbir@amazon.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools include UAPI: Sync sound/asound.h copy with the kernel sourcesArnaldo Carvalho de Melo1-0/+1
Picking the changes from: 81be10934949da8b ("ALSA: pcm: Add SNDRV_PCM_INFO_EXPLICIT_SYNC flag") Which entails no changes in the tooling side as it doesn't introduce new ioctls. To silence this perf tools build warning: Warning: Kernel ABI header at 'tools/include/uapi/sound/asound.h' differs from latest version at 'include/uapi/sound/asound.h' diff -u tools/include/uapi/sound/asound.h include/uapi/sound/asound.h Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools headers UAPI: Sync linux/kvm.h with the kernel sourcesArnaldo Carvalho de Melo1-4/+7
To pick the changes in: f95937ccf5bd5e0a ("KVM: stats: Support linear and logarithmic histogram statistics") f0376edb1ddcab19 ("KVM: arm64: Add ioctl to fetch/store tags in a guest") ea7fc1bb1cd1b92b ("KVM: arm64: Introduce MTE VM feature") That just rebuilds perf, as these patches don't add any new KVM ioctl to be harvested for the the 'perf trace' ioctl syscall argument beautifiers. This is also by now used by tools/testing/selftests/kvm/, so that will pick the new KVM_STATS_TYPE_LINEAR_HIST and KVM_STATS_TYPE_LOG_HIST defines. This silences this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h' diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h Cc: Jing Zhang <jingzhangos@google.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Steven Price <steven.price@arm.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11tools headers UAPI: Sync x86's asm/kvm.h with the kernel sourcesArnaldo Carvalho de Melo1-0/+1
To pick the changes in: 61e5f69ef08379cd ("KVM: x86: implement KVM_GUESTDBG_BLOCKIRQ") That just rebuilds kvm-stat.c on x86, no change in functionality. This silences these perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h' diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h Cc: Maxim Levitsky <mlevitsk@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf report: Add support to print a textual representation of IBS raw sample ↵Kim Phillips4-1/+303
data Perf records IBS (Instruction Based Sampling) extra sample data when 'perf record --raw-samples' is used with an IBS-compatible event, on a machine that supports IBS. IBS support is indicated in CPUID_Fn80000001_ECX bit #10. Up until now, users have been able to see the extra sample data solely in raw hex format using 'perf report --dump-raw-trace'. From there, users could decode the data either manually, or by using an external script. Enable the built-in 'perf report --dump-raw-trace' to do the decoding of the extra sample data bits, so manual or external script decoding isn't necessary. Example usage: $ sudo perf record -c 10000001 -a --raw-samples -e ibs_fetch/rand_en=1/,ibs_op/cnt_ctl=1/ -C 0,1 taskset -c 0,1 7za b -mmt2 | perf report --dump-raw-trace Stdout contains IBS Fetch samples, e.g.: ibs_fetch_ctl: 02170007ffffffff MaxCnt 1048560 Cnt 1048560 Lat 7 En 1 Val 1 Comp 1 IcMiss 0 PhyAddrValid 1 L1TlbPgSz 4KB L1TlbMiss 0 L2TlbMiss 0 RandEn 1 L2Miss 0 IbsFetchLinAd: 000056016b2ead40 IbsFetchPhysAd: 000000115cedfd40 c_ibs_ext_ctl: 0000000000000000 IbsItlbRefillLat 0 ..and IBS Op samples, e.g.: ibs_op_ctl: 0000009e009e8968 MaxCnt 10000000 En 1 Val 1 CntCtl 1=uOps CurCnt 158 IbsOpRip: 000056016b2ea73d ibs_op_data: 00000000000b0002 CompToRetCtr 2 TagToRetCtr 11 BrnRet 0 RipInvalid 0 BrnFuse 0 Microcode 0 ibs_op_data2: 0000000000000002 CacheHitSt 0=M-state RmtNode 0 DataSrc 2=Local node cache ibs_op_data3: 0000000000c60002 LdOp 0 StOp 1 DcL1TlbMiss 0 DcL2TlbMiss 0 DcL1TlbHit2M 0 DcL1TlbHit1G 0 DcL2TlbHit2M 0 DcMiss 0 DcMisAcc 0 DcWcMemAcc 0 DcUcMemAcc 0 DcLockedOp 0 DcMissNoMabAlloc 0 DcLinAddrValid 1 DcPhyAddrValid 1 DcL2TlbHit1G 0 L2Miss 0 SwPf 0 OpMemWidth 4 bytes OpDcMissOpenMemReqs 0 DcMissLat 0 TlbRefillLat 0 IbsDCLinAd: 00007f133c319ce0 IbsDCPhysAd: 0000000270485ce0 Committer notes: Fixed up this: util/amd-sample-raw.c: In function ‘evlist__amd_sample_raw’: util/amd-sample-raw.c:125:42: error: ‘ bytes’ directive output may be truncated writing 6 bytes into a region of size between 4 and 7 [-Werror=format-truncation=] 125 | " OpMemWidth %2d bytes", 1 << (reg.op_mem_width - 1)); | ^~~~~~ In file included from /usr/include/stdio.h:866, from util/amd-sample-raw.c:7: /usr/include/bits/stdio2.h:71:10: note: ‘__builtin___snprintf_chk’ output between 21 and 24 bytes into a destination of size 21 71 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 72 | __glibc_objsize (__s), __fmt, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 73 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors As that %2d won't limit the number of chars to 2, just state that 2 is the minimal width: $ cat printf.c #include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) { char bf[64]; int len = snprintf(bf, sizeof(bf), "%2d", atoi(argv[1])); printf("strlen(%s): %u\n", bf, len); return 0; } $ ./printf 1 strlen( 1): 2 $ ./printf 12 strlen(12): 2 $ ./printf 123 strlen(123): 3 $ ./printf 1234 strlen(1234): 4 $ ./printf 12345 strlen(12345): 5 $ ./printf 123456 strlen(123456): 6 $ And since we probably don't want that output to be truncated, just assume the worst case, as the compiler did, and add a few more chars to that buffer. Also use sizeof(var) instead of sizeof(dup-of-wanted-format-string) to avoid bugs when changing one but not the other. I also had to change this: -#include <asm/amd-ibs.h> +#include "../../arch/x86/include/asm/amd-ibs.h" To make it build on other architectures, just like intel-pt does. Signed-off-by: Kim Phillips <kim.phillips@amd.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: https //lore.kernel.org/r/20210817221509.88391-4-kim.phillips@amd.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-11perf report: Add tools/arch/x86/include/asm/amd-ibs.hKim Phillips2-0/+133
This is a tools/-side patch for the patch that adds the original copy of the IBS header file, in arch/x86/include/asm/. We also add an entry to check-headers.sh, so future changes continue to be copied. Committer notes: Had to add this -#include <asm/msr-index.h> +#include "msr-index.h" And change the check-headers.sh entry to ignore this line when diffing with the original kernel header. This is needed so that we can use 'perf report' on a perf.data with IBS data on a !x86 system, i.e. building on ARM fails without this as there is no asm/msr-index.h there. This was done on the next patch in this series and is done for things like Intel PT and ARM CoreSight. Signed-off-by: Kim Phillips <kim.phillips@amd.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: https //lore.kernel.org/r/20210817221509.88391-3-kim.phillips@amd.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-10perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappingsKim Phillips2-0/+83
To be used by IBS raw data display: It needs the recorder's cpuid in order to determine which errata workarounds to apply to the data, and the pmu_mappings are needed in order to figure out which PMU sample type is IBS Fetch vs. IBS Op. When not available from perf.data, we assume local operation, and retrieve cpuid and pmu mappings directly from the running system. Signed-off-by: Kim Phillips <kim.phillips@amd.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Richter <robert.richter@amd.com> Cc: Stephane Eranian <eranian@google.com> Link: https //lore.kernel.org/r/20210817221509.88391-2-kim.phillips@amd.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-10perf symbol: Look for ImageBase in PE file to compute .text offsetRemi Bernon1-4/+16
Instead of using the file offset in the debug file. This fixes a regression from 00a3423492bc90be ("perf symbols: Make dso__load_bfd_symbols() load PE files from debug cache only"), causing incorrect symbol resolution when debug file have been stripped from non-debug sections (in which case its .text section is empty and doesn't have any file position). The debug files could also be created with a different file alignment, and have different file positions from the mmap-ed binary, or have the section reordered. This instead looks for the file image base, using the corresponding bfd *ABS* symbols. As PE symbols only have 4 bytes, it also needs to keep .text section vma high bits. Signed-off-by: Remi Bernon <rbernon@codeweavers.com> Fixes: 00a3423492bc90be ("perf symbols: Make dso__load_bfd_symbols() load PE files from debug cache only") Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Nicholas Fraser <nfraser@codeweavers.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20210909192637.4139125-1-rbernon@codeweavers.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-10perf scripts python: Fix passing arguments to stackcollapse reportMichael Petlan1-1/+1
The '--' prevented arguments from being passed to the script, such as: $ perf script report stackcollapse -i my_perf.data Signed-off-by: Michael Petlan <mpetlan@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> LPU-Reference: 20200427142327.21172-1-mpetlan@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-10perf test: Fix bpf test sample mismatch reportingMichael Petlan1-1/+1
When the expected sample count in the condition changed, the message needs to be changed too, otherwise we'll get: 0x1001f2091d8: mmap mask[0]: BPF filter result incorrect, expected 56, got 56 samples Fixes: 4b04e0decd2518e5 ("perf test: Fix basic bpf filtering test") Signed-off-by: Michael Petlan <mpetlan@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Link: https //lore.kernel.org/r/20210805160611.5542-1-mpetlan@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-10tools headers UAPI: Sync files changed by new process_mrelease syscall and ↵Arnaldo Carvalho de Melo5-18/+27
the removal of some compat entry points To pick the changes in these csets: 59ab844eed9c6b01 ("compat: remove some compat entry points") dce49103962840dd ("mm: wire up syscall process_mrelease") b48c7236b13cb5ef ("exit/bdflush: Remove the deprecated bdflush system call") That add support for this new syscall in tools such as 'perf trace'. For instance, this is now possible: # perf trace -v -e process_mrelease event qualifier tracepoint filter: (common_pid != 19351 && common_pid != 9112) && (id == 448) ^C# That is the filter expression attached to the raw_syscalls:sys_{enter,exit} tracepoints. $ grep process_mrelease tools/perf/arch/x86/entry/syscalls/syscall_64.tbl 448 common process_mrelease sys_process_mrelease $ This addresses these perf build warnings: Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h' diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl' diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl' diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl' diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl' diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl Cc: Arnd Bergmann <arnd@arndb.de> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-10perf beauty: Update copy of linux/socket.h with the kernel sourcesArnaldo Carvalho de Melo1-1/+8
To pick the changes in: Fixes: d32f89da7fa8ccc8 ("net: add accept helper not installing fd") Fixes: bc49d8169aa72295 ("mctp: Add MCTP base") This automagically adds support for the AF_MCTP protocol domain: $ tools/perf/trace/beauty/socket.sh > before $ cp include/linux/socket.h tools/perf/trace/beauty/include/linux/socket.h $ tools/perf/trace/beauty/socket.sh > after $ diff -u before after --- before 2021-09-06 11:57:14.972747200 -0300 +++ after 2021-09-06 11:57:30.541920222 -0300 @@ -44,4 +44,5 @@ [42] = "QIPCRTR", [43] = "SMC", [44] = "XDP", + [45] = "MCTP", }; $ This will allow 'perf trace' to translate 45 into "MCTP" as is done with the other domains: # perf trace -e socket* 0.000 chronyd/1029 socket(family: INET, type: DGRAM|CLOEXEC|NONBLOCK, protocol: IP) = 4 ^C# This addresses this perf build warning: Warning: Kernel ABI header at 'tools/perf/trace/beauty/include/linux/socket.h' differs from latest version at 'include/linux/socket.h' diff -u tools/perf/trace/beauty/include/linux/socket.h include/linux/socket.h Cc: David S. Miller <davem@davemloft.net> Cc: Jens Axboe <axboe@kernel.dk> Cc: Jeremy Kerr <jk@codeconstruct.com.au> Cc: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-09Merge tag 'trace-v5.15-2' of ↵Linus Torvalds4-6/+8
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull more tracing updates from Steven Rostedt: - Add migrate-disable counter to tracing header - Fix error handling in event probes - Fix missed unlock in osnoise in error path - Fix merge issue with tools/bootconfig - Clean up bootconfig data when init memory is removed - Fix bootconfig to loop only on subkeys - Have kernel command lines override bootconfig options - Increase field counts for synthetic events - Have histograms dynamic allocate event elements to save space - Fixes in testing and documentation * tag 'trace-v5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/boot: Fix to loop on only subkeys selftests/ftrace: Exclude "(fault)" in testing add/remove eprobe events tracing: Dynamically allocate the per-elt hist_elt_data array tracing: synth events: increase max fields count tools/bootconfig: Show whole test command for each test case bootconfig: Fix missing return check of xbc_node_compose_key function tools/bootconfig: Fix tracing_on option checking in ftrace2bconf.sh docs: bootconfig: Add how to use bootconfig for kernel parameters init/bootconfig: Reorder init parameter from bootconfig and cmdline init: bootconfig: Remove all bootconfig data when the init memory is removed tracing/osnoise: Fix missed cpus_read_unlock() in start_per_cpu_kthreads() tracing: Fix some alloc_event_probe() error handling bugs tracing: Add migrate-disabled counter to tracing output.
2021-09-08Merge branch 'akpm' (patches from Andrew)Linus Torvalds17-21/+131
Merge more updates from Andrew Morton: "147 patches, based on 7d2a07b769330c34b4deabeed939325c77a7ec2f. Subsystems affected by this patch series: mm (memory-hotplug, rmap, ioremap, highmem, cleanups, secretmem, kfence, damon, and vmscan), alpha, percpu, procfs, misc, core-kernel, MAINTAINERS, lib, checkpatch, epoll, init, nilfs2, coredump, fork, pids, criu, kconfig, selftests, ipc, and scripts" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits) scripts: check_extable: fix typo in user error message mm/workingset: correct kernel-doc notations ipc: replace costly bailout check in sysvipc_find_ipc() selftests/memfd: remove unused variable Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH configs: remove the obsolete CONFIG_INPUT_POLLDEV prctl: allow to setup brk for et_dyn executables pid: cleanup the stale comment mentioning pidmap_init(). kernel/fork.c: unexport get_{mm,task}_exe_file coredump: fix memleak in dump_vma_snapshot() fs/coredump.c: log if a core dump is aborted due to changed file permissions nilfs2: use refcount_dec_and_lock() to fix potential UAF nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group nilfs2: fix NULL pointer in nilfs_##name##_attr_release nilfs2: fix memory leak in nilfs_sysfs_create_device_group trap: cleanup trap_init() init: move usermodehelper_enable() to populate_rootfs() ...
2021-09-08selftests/ftrace: Exclude "(fault)" in testing add/remove eprobe eventsSteven Rostedt (VMware)1-1/+1
The original test for adding and removing eprobes used synthetic events and retrieved the filename from the open system call at the end of the system call. This would allow it to always be loaded into the page tables when accessed. Masami suggested that the test was too complex for just testing add and remove, so it was changed to test just adding and removing an event probe on top of the start of the open system call event. Now it is possible that the filename will not be loaded into memory at the time the eprobe is triggered, and will result in "(fault)" being displayed in the event. This causes the test to fail. Account for "(fault)" also being one of the values of the filename field of the event probe. Link: https://lkml.kernel.org/r/20210907230429.5783d519@rorschach.local.home Fixes: 079db70794ec5 ("selftests/ftrace: Add test case to test adding and removing of event probe") Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-09-08tools/bootconfig: Show whole test command for each test caseMasami Hiramatsu1-2/+2
Show whole test command instead of only the 3rd argument. This will clear to show what will be actually tested by each test case. Link: https://lkml.kernel.org/r/163077088607.222577.14786016266462495017.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-09-08bootconfig: Fix missing return check of xbc_node_compose_key functionJulio Faracco1-1/+3
The function `xbc_show_list should` handle the keys during the composition. Even the errors returned by the compose function. Instead of removing the `ret` variable, it should save the value and show the exact error. This missing variable is causing a compilation issue also. Link: https://lkml.kernel.org/r/163077087861.222577.12884543474750968146.stgit@devnote2 Fixes: e5efaeb8a8f5 ("bootconfig: Support mixing a value and subkeys under a key") Signed-off-by: Julio Faracco <jcfaracco@gmail.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-09-08tools/bootconfig: Fix tracing_on option checking in ftrace2bconf.shMasami Hiramatsu1-2/+2
Since tracing_on indicates only "1" (default) or "0", ftrace2bconf.sh only need to check the value is "0". Link: https://lkml.kernel.org/r/163077087144.222577.6888011847727968737.stgit@devnote2 Fixes: 55ed4560774d ("tools/bootconfig: Add tracing_on support to helper scripts") Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2021-09-08selftests/memfd: remove unused variableGreg Thelen1-1/+1
Commit 544029862cbb ("selftests/memfd: add tests for F_SEAL_FUTURE_WRITE seal") added an unused variable to mfd_assert_reopen_fd(). Delete the unused variable. Link: https://lkml.kernel.org/r/20210702045509.1517643-1-gthelen@google.com Fixes: 544029862cbb ("selftests/memfd: add tests for F_SEAL_FUTURE_WRITE seal") Signed-off-by: Greg Thelen <gthelen@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-08tools: rename bitmap_alloc() to bitmap_zalloc()Andy Shevchenko13-20/+20
Rename bitmap_alloc() to bitmap_zalloc() in tools to follow the bitmap API in the kernel. No functional changes intended. Link: https://lkml.kernel.org/r/20210814211713.180533-14-yury.norov@gmail.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Yury Norov <yury.norov@gmail.com> Suggested-by: Yury Norov <yury.norov@gmail.com> Acked-by: Yury Norov <yury.norov@gmail.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Lobakin <alobakin@pm.me> Cc: Alexey Klimov <aklimov@redhat.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-08mm/damon: add user space selftestsSeongJae Park3-0/+110
This commit adds a simple user space tests for DAMON. The tests are using kselftest framework. Link: https://lkml.kernel.org/r/20210716081449.22187-13-sj38.park@gmail.com Signed-off-by: SeongJae Park <sjpark@amazon.de> Reviewed-by: Markus Boehme <markubo@amazon.de> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Amit Shah <amit@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Brendan Higgins <brendanhiggins@google.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: David Woodhouse <dwmw@amazon.com> Cc: Fan Du <fan.du@intel.com> Cc: Fernand Sieber <sieberf@amazon.com> Cc: Greg Kroah-Hartman <greg@kroah.com> Cc: Greg Thelen <gthelen@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Joe Perches <joe@perches.com> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Leonard Foerster <foersleo@amazon.de> Cc: Marco Elver <elver@google.com> Cc: Maximilian Heyne <mheyne@amazon.de> Cc: Mel Gorman <mgorman@suse.de> Cc: Minchan Kim <minchan@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@surriel.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-08Merge tag 'pci-v5.15-changes' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "Enumeration: - Convert controller drivers to generic_handle_domain_irq() (Marc Zyngier) - Simplify VPD (Vital Product Data) access and search (Heiner Kallweit) - Update bnx2, bnx2x, bnxt, cxgb4, cxlflash, sfc, tg3 drivers to use simplified VPD interfaces (Heiner Kallweit) - Run Max Payload Size quirks before configuring MPS; work around ASMedia ASM1062 SATA MPS issue (Marek Behún) Resource management: - Refactor pci_ioremap_bar() and pci_ioremap_wc_bar() (Krzysztof Wilczyński) - Optimize pci_resource_len() to reduce kernel size (Zhen Lei) PCI device hotplug: - Fix a double unmap in ibmphp (Vishal Aslot) PCIe port driver: - Enable Bandwidth Notification only if port supports it (Stuart Hayes) Sysfs/proc/syscalls: - Add schedule point in proc_bus_pci_read() (Krzysztof Wilczyński) - Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure (Krzysztof Wilczyński) - Return "int" from pciconfig_read() syscall (Krzysztof Wilczyński) Virtualization: - Extend "pci=noats" to also turn on Translation Blocking to protect against some DMA attacks (Alex Williamson) - Add sysfs mechanism to control the type of reset used between device assignments to VMs (Amey Narkhede) - Add support for ACPI _RST reset method (Shanker Donthineni) - Add ACS quirks for Cavium multi-function devices (George Cherian) - Add ACS quirks for NXP LX2xx0 and LX2xx2 platforms (Wasim Khan) - Allow HiSilicon AMBA devices that appear as fake PCI devices to use PASID and SVA (Zhangfei Gao) Endpoint framework: - Add support for SR-IOV Endpoint devices (Kishon Vijay Abraham I) - Zero-initialize endpoint test tool parameters so we don't use random parameters (Shunyong Yang) APM X-Gene PCIe controller driver: - Remove redundant dev_err() call in xgene_msi_probe() (ErKun Yang) Broadcom iProc PCIe controller driver: - Don't fail devm_pci_alloc_host_bridge() on missing 'ranges' because it's optional on BCMA devices (Rob Herring) - Fix BCMA probe resource handling (Rob Herring) Cadence PCIe driver: - Work around J7200 Link training electrical issue by increasing delays in LTSSM (Nadeem Athani) Intel IXP4xx PCI controller driver: - Depend on ARCH_IXP4XX to avoid useless config questions (Geert Uytterhoeven) Intel Keembay PCIe controller driver: - Add Intel Keem Bay PCIe controller (Srikanth Thokala) Marvell Aardvark PCIe controller driver: - Work around config space completion handling issues (Evan Wang) - Increase timeout for config access completions (Pali Rohár) - Emulate CRS Software Visibility bit (Pali Rohár) - Configure resources from DT 'ranges' property to fix I/O space access (Pali Rohár) - Serialize INTx mask/unmask (Pali Rohár) MediaTek PCIe controller driver: - Add MT7629 support in DT (Chuanjia Liu) - Fix an MSI issue (Chuanjia Liu) - Get syscon regmap ("mediatek,generic-pciecfg"), IRQ number ("pci_irq"), PCI domain ("linux,pci-domain") from DT properties if present (Chuanjia Liu) Microsoft Hyper-V host bridge driver: - Add ARM64 support (Boqun Feng) - Support "Create Interrupt v3" message (Sunil Muthuswamy) NVIDIA Tegra PCIe controller driver: - Use seq_puts(), move err_msg from stack to static, fix OF node leak (Christophe JAILLET) NVIDIA Tegra194 PCIe driver: - Disable suspend when in Endpoint mode (Om Prakash Singh) - Fix MSI-X address programming error (Om Prakash Singh) - Disable interrupts during suspend to avoid spurious AER link down (Om Prakash Singh) Renesas R-Car PCIe controller driver: - Work around hardware issue that prevents Link L1->L0 transition (Marek Vasut) - Fix runtime PM refcount leak (Dinghao Liu) Rockchip DesignWare PCIe controller driver: - Add Rockchip RK356X host controller driver (Simon Xue) TI J721E PCIe driver: - Add support for J7200 and AM64 (Kishon Vijay Abraham I) Toshiba Visconti PCIe controller driver: - Add Toshiba Visconti PCIe host controller driver (Nobuhiro Iwamatsu) Xilinx NWL PCIe controller driver: - Enable PCIe reference clock via CCF (Hyun Kwon) Miscellaneous: - Convert sta2x11 from 'pci_' to 'dma_' API (Christophe JAILLET) - Fix pci_dev_str_match_path() alloc while atomic bug (used for kernel parameters that specify devices) (Dan Carpenter) - Remove pointless Precision Time Management warning when PTM is present but not enabled (Jakub Kicinski) - Remove surplus "break" statements (Krzysztof Wilczyński)" * tag 'pci-v5.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (132 commits) PCI: ibmphp: Fix double unmap of io_mem x86/PCI: sta2x11: switch from 'pci_' to 'dma_' API PCI/VPD: Use unaligned access helpers PCI/VPD: Clean up public VPD defines and inline functions cxgb4: Use pci_vpd_find_id_string() to find VPD ID string PCI/VPD: Add pci_vpd_find_id_string() PCI/VPD: Include post-processing in pci_vpd_find_tag() PCI/VPD: Stop exporting pci_vpd_find_info_keyword() PCI/VPD: Stop exporting pci_vpd_find_tag() PCI: Set dma-can-stall for HiSilicon chips PCI: rockchip-dwc: Add Rockchip RK356X host controller driver PCI: dwc: Remove surplus break statement after return PCI: artpec6: Remove local code block from switch statement PCI: artpec6: Remove surplus break statement after return MAINTAINERS: Add entries for Toshiba Visconti PCIe controller PCI: visconti: Add Toshiba Visconti PCIe host controller driver PCI/portdrv: Enable Bandwidth Notification only if port supports it PCI: Allow PASID on fake PCIe devices without TLP prefixes PCI: mediatek: Use PCI domain to handle ports detection PCI: mediatek: Add new method to get irq number ...
2021-09-08Merge tag 'net-5.15-rc1' of ↵Linus Torvalds4-12/+303
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes and stragglers from Jakub Kicinski: "Networking stragglers and fixes, including changes from netfilter, wireless and can. Current release - regressions: - qrtr: revert check in qrtr_endpoint_post(), fixes audio and wifi - ip_gre: validate csum_start only on pull - bnxt_en: fix 64-bit doorbell operation on 32-bit kernels - ionic: fix double use of queue-lock, fix a sleeping in atomic - can: c_can: fix null-ptr-deref on ioctl() - cs89x0: disable compile testing on powerpc Current release - new code bugs: - bridge: mcast: fix vlan port router deadlock, consistently disable BH Previous releases - regressions: - dsa: tag_rtl4_a: fix egress tags, only port 0 was working - mptcp: fix possible divide by zero - netfilter: nft_ct: protect nft_ct_pcpu_template_refcnt with mutex - netfilter: socket: icmp6: fix use-after-scope - stmmac: fix MAC not working when system resume back with WoL active Previous releases - always broken: - ip/ip6_gre: use the same logic as SIT interfaces when computing v6LL address - seg6: set fc_nlinfo in nh_create_ipv4, nh_create_ipv6 - mptcp: only send extra TCP acks in eligible socket states - dsa: lantiq_gswip: fix maximum frame length - stmmac: fix overall budget calculation for rxtx_napi - bnxt_en: fix firmware version reporting via devlink - renesas: sh_eth: add missing barrier to fix freeing wrong tx descriptor Stragglers: - netfilter: conntrack: switch to siphash - netfilter: refuse insertion if chain has grown too large - ncsi: add get MAC address command to get Intel i210 MAC address" * tag 'net-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits) ieee802154: Remove redundant initialization of variable ret net: stmmac: fix MAC not working when system resume back with WoL active net: phylink: add suspend/resume support net: renesas: sh_eth: Fix freeing wrong tx descriptor bonding: 3ad: pass parameter bond_params by reference cxgb3: fix oops on module removal can: c_can: fix null-ptr-deref on ioctl() can: rcar_canfd: add __maybe_unused annotation to silence warning net: wwan: iosm: Unify IO accessors used in the driver net: wwan: iosm: Replace io.*64_lo_hi() with regular accessors net: qcom/emac: Replace strlcpy with strscpy ip6_gre: Revert "ip6_gre: add validation for csum_start" net: hns3: make hclgevf_cmd_caps_bit_map0 and hclge_cmd_caps_bit_map0 static selftests/bpf: Test XDP bonding nest and unwind bonding: Fix negative jump label count on nested bonding MAINTAINERS: add VM SOCKETS (AF_VSOCK) entry stmmac: dwmac-loongson:Fix missing return value iwlwifi: fix printk format warnings in uefi.c net: create netdev->dev_addr assignment helpers bnxt_en: Fix possible unintended driver initiated error recovery ...
2021-09-07Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds12-28/+245
Pull KVM updates from Paolo Bonzini: "ARM: - Page ownership tracking between host EL1 and EL2 - Rely on userspace page tables to create large stage-2 mappings - Fix incompatibility between pKVM and kmemleak - Fix the PMU reset state, and improve the performance of the virtual PMU - Move over to the generic KVM entry code - Address PSCI reset issues w.r.t. save/restore - Preliminary rework for the upcoming pKVM fixed feature - A bunch of MM cleanups - a vGIC fix for timer spurious interrupts - Various cleanups s390: - enable interpretation of specification exceptions - fix a vcpu_idx vs vcpu_id mixup x86: - fast (lockless) page fault support for the new MMU - new MMU now the default - increased maximum allowed VCPU count - allow inhibit IRQs on KVM_RUN while debugging guests - let Hyper-V-enabled guests run with virtualized LAPIC as long as they do not enable the Hyper-V "AutoEOI" feature - fixes and optimizations for the toggling of AMD AVIC (virtualized LAPIC) - tuning for the case when two-dimensional paging (EPT/NPT) is disabled - bugfixes and cleanups, especially with respect to vCPU reset and choosing a paging mode based on CR0/CR4/EFER - support for 5-level page table on AMD processors Generic: - MMU notifier invalidation callbacks do not take mmu_lock unless necessary - improved caching of LRU kvm_memory_slot - support for histogram statistics - add statistics for halt polling and remote TLB flush requests" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (210 commits) KVM: Drop unused kvm_dirty_gfn_invalid() KVM: x86: Update vCPU's hv_clock before back to guest when tsc_offset is adjusted KVM: MMU: mark role_regs and role accessors as maybe unused KVM: MIPS: Remove a "set but not used" variable x86/kvm: Don't enable IRQ when IRQ enabled in kvm_wait KVM: stats: Add VM stat for remote tlb flush requests KVM: Remove unnecessary export of kvm_{inc,dec}_notifier_count() KVM: x86/mmu: Move lpage_disallowed_link further "down" in kvm_mmu_page KVM: x86/mmu: Relocate kvm_mmu_page.tdp_mmu_page for better cache locality Revert "KVM: x86: mmu: Add guest physical address check in translate_gpa()" KVM: x86/mmu: Remove unused field mmio_cached in struct kvm_mmu_page kvm: x86: Increase KVM_SOFT_MAX_VCPUS to 710 kvm: x86: Increase MAX_VCPUS to 1024 kvm: x86: Set KVM_MAX_VCPU_ID to 4*KVM_MAX_VCPUS KVM: VMX: avoid running vmx_handle_exit_irqoff in case of emulation KVM: x86/mmu: Don't freak out if pml5_root is NULL on 4-level host KVM: s390: index kvm->arch.idle_mask by vcpu_idx KVM: s390: Enable specification exception interpretation KVM: arm64: Trim guest debug exception handling KVM: SVM: Add 5-level page table support for SVM ...
2021-09-06selftests/bpf: Test XDP bonding nest and unwindJussi Maki1-10/+64
Modify the test to check that enslaving a bond slave with a XDP program is now allowed. Extend attach test to exercise the program unwinding in bond_xdp_set and add a new test for loading XDP program on doubly nested bond device to verify that static key incr/decr is correct. Signed-off-by: Jussi Maki <joamaki@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-06Merge tag 'kvmarm-5.15' of ↵Paolo Bonzini12-22/+666
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 updates for 5.15 - Page ownership tracking between host EL1 and EL2 - Rely on userspace page tables to create large stage-2 mappings - Fix incompatibility between pKVM and kmemleak - Fix the PMU reset state, and improve the performance of the virtual PMU - Move over to the generic KVM entry code - Address PSCI reset issues w.r.t. save/restore - Preliminary rework for the upcoming pKVM fixed feature - A bunch of MM cleanups - a vGIC fix for timer spurious interrupts - Various cleanups
2021-09-06vsock_test: update message bounds test for MSG_EORArseny Krasnov1-1/+7
Set 'MSG_EOR' in one of message sent, check that 'MSG_EOR' is visible in corresponding message at receiver. Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/r/20210903123321.3273866-1-arseny.krasnov@kaspersky.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-09-05Merge tag 'perf-tools-for-v5.15-2021-09-04' of ↵Linus Torvalds162-12461/+19999
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tool updates from Arnaldo Carvalho de Melo: "New features: - Improvements for the flamegraph python script, including: - Display perf.data header - Display PIDs of user stacks - Added option to change color scheme - Default to blue/green color scheme to improve accessibility - Correctly identify kernel stacks when debuginfo is available - Improvements for 'perf bench futex': - Add --mlockall parameter - Add --broadcast and --pi to the 'requeue' sub benchmark - Add support for PMU aliases. - Introduce an ARM Coresight ETE decoder. - Add a 'perf bench' entry for evlist open/close operations, to help quantify improvements with multithreading 'perf record'. - Allow reporting the [un]throttle PERF_RECORD_ meta event in 'perf script's python scripting. - Add a 'perf test' entry for PMU aliases. - Add a 'perf test' entry for 'perf record/perf report/perf script' pipe mode. Fixes: - perf script dlfilter (API for filtering via dynamically loaded shared object introduced in v5.14) fixes and a 'perf test' entry for it. - Fix get_current_dir_name() compilation on Android. - Fix issues with asciidoc and double dashes uses. - Fix memory leaks in the BTF handling code. - Fix leftover problems in the Documentation from the infrastructure originally lifted from the git codebase. - Fix *probe_vfs_getname.sh 'perf test' failures. - Handle fd gaps in 'perf test's test__dso_data_reopen(). - Make sure to show disasembly warnings for 'perf annotate --stdio'. - Fix output from pipe to file and vice-versa in 'perf record/report/script'. - Correct 'perf data -h' output. - Fix wrong comm in system-wide mode with 'perf record --delay'. - Do not allow --for-each-cgroup without cpu in 'perf stat' - Make 'perf test --skip' work on shell tests. - Fix libperf's verbose printing. Misc improvements: - Preparatory patches for multithreading various 'perf record' phases (synthesizing, opening, recording, etc). - Add sparse context/locking annotations in compiler-types.h, also to help with the multithreading effort. - Optimize the generation of the arch specific erno tables used in 'perf trace'. - Optimize libperf's perf_cpu_map__max(). - Improve ARM's CoreSight warnings. - Report collisions in AUX records. - Improve warnings for the LLVM 'perf test' entry. - Improve the PMU events 'perf test' codebase. - perf test: Do not compare overheads in the zstd comp test - Better support annotation on ARM. - Update 'perf trace's cmd string table to decode sys_bpf() first arg. Vendor events: - Add JSON events and metrics for Intel's Ice Lake, Tiger Lake and Elhart Lake. - Update JSON eventsand metrics for Intel's Cascade Lake and Sky Lake servers. Hardware tracing: - Improvements for the ARM hardware tracing auxtrace support" * tag 'perf-tools-for-v5.15-2021-09-04' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (130 commits) perf tests: Add test for PMU aliases perf pmu: Add PMU alias support perf session: Report collisions in AUX records perf script python: Allow reporting the [un]throttle PERF_RECORD_ meta event perf build: Report failure for testing feature libopencsd perf cs-etm: Show a warning for an unknown magic number perf cs-etm: Print the decoder name perf cs-etm: Create ETE decoder perf cs-etm: Update OpenCSD decoder for ETE perf cs-etm: Fix typo perf cs-etm: Save TRCDEVARCH register perf cs-etm: Refactor out ETMv4 header saving perf cs-etm: Initialise architecture based on TRCIDR1 perf cs-etm: Refactor initialisation of decoder params. tools build: Fix feature detect clean for out of source builds perf evlist: Add evlist__for_each_entry_from() macro perf evsel: Handle precise_ip fallback in evsel__open_cpu() perf evsel: Move bpf_counter__install_pe() to success path in evsel__open_cpu() perf evsel: Move test_attr__open() to success path in evsel__open_cpu() perf evsel: Move ignore_missing_thread() to fallback code ...
2021-09-05Merge tag 'trace-v5.15' of ↵Linus Torvalds9-15/+291
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing updates from Steven Rostedt: - simplify the Kconfig use of FTRACE and TRACE_IRQFLAGS_SUPPORT - bootconfig can now start histograms - bootconfig supports group/all enabling - histograms now can put values in linear size buckets - execnames can be passed to synthetic events - introduce "event probes" that attach to other events and can retrieve data from pointers of fields, or record fields as different types (a pointer to a string as a string instead of just a hex number) - various fixes and clean ups * tag 'trace-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (35 commits) tracing/doc: Fix table format in histogram code selftests/ftrace: Add selftest for testing duplicate eprobes and kprobes selftests/ftrace: Add selftest for testing eprobe events on synthetic events selftests/ftrace: Add test case to test adding and removing of event probe selftests/ftrace: Fix requirement check of README file selftests/ftrace: Add clear_dynamic_events() to test cases tracing: Add a probe that attaches to trace events tracing/probes: Reject events which have the same name of existing one tracing/probes: Have process_fetch_insn() take a void * instead of pt_regs tracing/probe: Change traceprobe_set_print_fmt() to take a type tracing/probes: Use struct_size() instead of defining custom macros tracing/probes: Allow for dot delimiter as well as slash for system names tracing/probe: Have traceprobe_parse_probe_arg() take a const arg tracing: Have dynamic events have a ref counter tracing: Add DYNAMIC flag for dynamic events tracing: Replace deprecated CPU-hotplug functions. MAINTAINERS: Add an entry for os noise/latency tracepoint: Fix kerneldoc comments bootconfig/tracing/ktest: Update ktest example for boot-time tracing tools/bootconfig: Use per-group/all enable option in ftrace2bconf script ...
2021-09-04Merge tag 'linux-kselftest-next-5.15-rc1' of ↵Linus Torvalds9-17/+16
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest updates from Shuah Khan: "Fixes to build and test failures: - openat2 test failure for O_LARGEFILE flag on ARM64 - x86 test build failures related to glibc 2.34 adding support for variable sized MINSIGSTKSZ and SIGSTKSZ - removing obsolete configs in sync and cpufreq config files - minor spelling and duplicate header include cleanups" * tag 'linux-kselftest-next-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/cpufreq: Rename DEBUG_PI_LIST to DEBUG_PLIST selftests/sync: Remove the deprecated config SYNC selftests: safesetid: Fix spelling mistake "cant" -> "can't" selftests/x86: Fix error: variably modified 'altstack_data' at file scope kselftest:sched: remove duplicate include in cs_prctl_test.c selftests: openat2: Fix testing failure for O_LARGEFILE flag
2021-09-03Merge tag 'powerpc-5.15-1' of ↵Linus Torvalds29-4/+66
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Convert pseries & powernv to use MSI IRQ domains. - Rework the pseries CPU numbering so that CPUs that are removed, and later re-added, are given a CPU number on the same node as previously, when possible. - Add support for a new more flexible device-tree format for specifying NUMA distances. - Convert powerpc to GENERIC_PTDUMP. - Retire sbc8548 and sbc8641d board support. - Various other small features and fixes. Thanks to Alexey Kardashevskiy, Aneesh Kumar K.V, Anton Blanchard, Cédric Le Goater, Christophe Leroy, Emmanuel Gil Peyrot, Fabiano Rosas, Fangrui Song, Finn Thain, Gautham R. Shenoy, Hari Bathini, Joel Stanley, Jordan Niethe, Kajol Jain, Laurent Dufour, Leonardo Bras, Lukas Bulwahn, Marc Zyngier, Masahiro Yamada, Michal Suchanek, Nathan Chancellor, Nicholas Piggin, Parth Shah, Paul Gortmaker, Pratik R. Sampat, Randy Dunlap, Sebastian Andrzej Siewior, Srikar Dronamraju, Wan Jiabing, Xiongwei Song, and Zheng Yongjun. * tag 'powerpc-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (154 commits) powerpc/bug: Cast to unsigned long before passing to inline asm powerpc/ptdump: Fix generic ptdump for 64-bit KVM: PPC: Fix clearing never mapped TCEs in realmode powerpc/pseries/iommu: Rename "direct window" to "dma window" powerpc/pseries/iommu: Make use of DDW for indirect mapping powerpc/pseries/iommu: Find existing DDW with given property name powerpc/pseries/iommu: Update remove_dma_window() to accept property name powerpc/pseries/iommu: Reorganize iommu_table_setparms*() with new helper powerpc/pseries/iommu: Add ddw_property_create() and refactor enable_ddw() powerpc/pseries/iommu: Allow DDW windows starting at 0x00 powerpc/pseries/iommu: Add ddw_list_new_entry() helper powerpc/pseries/iommu: Add iommu_pseries_alloc_table() helper powerpc/kernel/iommu: Add new iommu_table_in_use() helper powerpc/pseries/iommu: Replace hard-coded page shift powerpc/numa: Update cpu_cpu_map on CPU online/offline powerpc/numa: Print debug statements only when required powerpc/numa: convert printk to pr_xxx powerpc/numa: Drop dbg in favour of pr_debug powerpc/smp: Enable CACHE domain for shared processor powerpc/smp: Update cpu_core_map on all PowerPc systems ...
2021-09-03Merge branch 'akpm' (patches from Andrew)Linus Torvalds9-4/+784
Merge misc updates from Andrew Morton: "173 patches. Subsystems affected by this series: ia64, ocfs2, block, and mm (debug, pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap, bootmem, sparsemem, vmalloc, kasan, pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, compaction, mempolicy, memblock, oom-kill, migration, ksm, percpu, vmstat, and madvise)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (173 commits) mm/madvise: add MADV_WILLNEED to process_madvise() mm/vmstat: remove unneeded return value mm/vmstat: simplify the array size calculation mm/vmstat: correct some wrong comments mm/percpu,c: remove obsolete comments of pcpu_chunk_populated() selftests: vm: add COW time test for KSM pages selftests: vm: add KSM merging time test mm: KSM: fix data type selftests: vm: add KSM merging across nodes test selftests: vm: add KSM zero page merging test selftests: vm: add KSM unmerge test selftests: vm: add KSM merge test mm/migrate: correct kernel-doc notation mm: wire up syscall process_mrelease mm: introduce process_mrelease system call memblock: make memblock_find_in_range method private mm/mempolicy.c: use in_task() in mempolicy_slab_node() mm/mempolicy: unify the create() func for bind/interleave/prefer-many policies mm/mempolicy: advertise new MPOL_PREFERRED_MANY mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY ...
2021-09-03selftests: vm: add COW time test for KSM pagesZhansaya Bagdauletkyzy1-3/+83
Since merged pages are copied every time they need to be modified, the write access time is different between shared and non-shared pages. Add ksm_cow_time() function which evaluates latency of these COW breaks. First, 4000 pages are allocated and the time, required to modify 1 byte in every other page, is measured. After this, the pages are merged into 2000 pairs and in each pair, 1 page is modified (i.e. they are decoupled) to detect COW breaks. The time needed to break COW of merged pages is then compared with performance of non-shared pages. The test is run as follows: ./ksm_tests -C The output: Total size: 15 MiB Not merged pages: Total time: 0.002185489 s Average speed: 3202.945 MiB/s Merged pages: Total time: 0.004386872 s Average speed: 1595.670 MiB/s Link: https://lkml.kernel.org/r/1d03ee0d1b341959d4b61672c6401d498bff5652.1629386192.git.zhansayabagdaulet@gmail.com Signed-off-by: Zhansaya Bagdauletkyzy <zhansayabagdaulet@gmail.com> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com> Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-09-03selftests: vm: add KSM merging time testZhansaya Bagdauletkyzy1-4/+70
Patch series "add KSM performance tests", v3. Extend KSM self tests with a performance benchmark. These tests are not part of regular regression testing, as they are mainly intended to be used by developers making changes to the memory management subsystem. This patch (of 2): Add ksm_merge_time() function to determine speed and time needed for merging. The total spent time is shown in seconds while speed is in MiB/s. User must specify the size of duplicated memory area (in MiB) before running the test. The test is run as follows: ./ksm_tests -P -s 100 The output: Total size: 100 MiB Total time: 0.201106786 s Average speed: 497.248 MiB/s Link: https://lkml.kernel.org/r/cover.1629386192.git.zhansayabagdaulet@gmail.com Link: https://lkml.kernel.org/r/318b946ac80cc9205c89d0962048378f7ce0705b.1629386192.git.zhansayabagdaulet@gmail.com Signed-off-by: Zhansaya Bagdauletkyzy <zhansayabagdaulet@gmail.com> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com> Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>