summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorAdrian Hunter <adrian.hunter@intel.com>2022-05-17 16:10:10 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-05-23 16:19:15 +0300
commit512a09fb96563b848e4a089e9a86f21052a2db5b (patch)
treea5d3c1efbae7ddba128db19d1aa539c8c0abf890 /tools
parent5b208144602f7557f569a26b907da2283cc9b4ac (diff)
downloadlinux-512a09fb96563b848e4a089e9a86f21052a2db5b.tar.xz
perf kvm report: Add guest_code support
Add an option to indicate that guest code can be found in the hypervisor process. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: kvm@vger.kernel.org Link: https://lore.kernel.org/r/20220517131011.6117-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Documentation/perf-kvm.txt3
-rw-r--r--tools/perf/builtin-kvm.c2
2 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index cf95baef7b61..83c742adf86e 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -94,6 +94,9 @@ OPTIONS
kernel module information. Users copy it out from guest os.
--guestvmlinux=<path>::
Guest os kernel vmlinux.
+--guest-code::
+ Indicate that guest code can be found in the hypervisor process,
+ which is a common case for KVM test programs.
-v::
--verbose::
Be more verbose (show counter open errors, etc).
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 2fa687f73e5e..3696ae97f149 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1603,6 +1603,8 @@ int cmd_kvm(int argc, const char **argv)
"file", "file saving guest os /proc/kallsyms"),
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
"file", "file saving guest os /proc/modules"),
+ OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
+ "Guest code can be found in hypervisor process"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_END()