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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-09 16:19:24 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-09 16:21:15 -0300 |
| commit | 549aff770ccfec368aa8f0652dbce8b1e8e6715a (patch) | |
| tree | f738ddcf9faee5ed4e64a486bf42dce7f981e672 /tools | |
| parent | tools include uapi: Sync linux/if_link.h copy with the kernel sources (diff) | |
| download | linux-dev-549aff770ccfec368aa8f0652dbce8b1e8e6715a.tar.xz linux-dev-549aff770ccfec368aa8f0652dbce8b1e8e6715a.zip | |
perf symbols: Add 'arch_cpu_idle' to the list of kernel idle symbols
When testing 'perf top' on a armhf system (32-bit, Orange Pi Zero), I
noticed that 'arch_cpu_idle' dominated, add it to the list of idle
symbols, so that we can see what is that being done when not idle.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-4q2b5g4p2hrstrhp9t2mrlho@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/symbol.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 01f2c7385e38..48efad6d0f90 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -614,6 +614,7 @@ out: static bool symbol__is_idle(const char *name) { const char * const idle_symbols[] = { + "arch_cpu_idle", "cpu_idle", "cpu_startup_entry", "intel_idle", |