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| author | James Clark <james.clark@arm.com> | 2022-03-07 20:19:15 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-03-07 20:51:19 +0300 |
| commit | 66fd6c9d6972eeeaeed2eed7d2a225f9c4fb09a9 (patch) | |
| tree | a4b704a72e134d5ed56ba3e9f2d6ef79a2e76e96 /tools/perf/builtin-script.c | |
| parent | 8f431a28696d27e3370ebd1a5fd1681a8c773a8e (diff) | |
| download | linux-66fd6c9d6972eeeaeed2eed7d2a225f9c4fb09a9.tar.xz | |
perf session: Print branch stack entry type in --dump-raw-trace
This can help with debugging issues. It only prints when -j save_type
is used otherwise an empty string is printed.
Before the change:
101603801707130 0xa70 [0x630]: PERF_RECORD_SAMPLE(IP, 0x2): 1108/1108: 0xffff9c1df24c period: 10694 addr: 0
... branch stack: nr:64
..... 0: 0000ffff9c26029c -> 0000ffff9c26f340 0 cycles P 0
..... 1: 0000ffff9c2601bc -> 0000ffff9c26f340 0 cycles P 0
After the change:
101603801707130 0xa70 [0x630]: PERF_RECORD_SAMPLE(IP, 0x2): 1108/1108: 0xffff9c1df24c period: 10694 addr: 0
... branch stack: nr:64
..... 0: 0000ffff9c26029c -> 0000ffff9c26f340 0 cycles P 0 CALL
..... 1: 0000ffff9c2601bc -> 0000ffff9c26f340 0 cycles P 0 IND_CALL
Signed-off-by: James Clark <james.clark@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220307171917.2555829-3-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-script.c')
0 files changed, 0 insertions, 0 deletions