summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2019-01-09 22:19:24 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-01-09 22:21:15 +0300
commit549aff770ccfec368aa8f0652dbce8b1e8e6715a (patch)
treef738ddcf9faee5ed4e64a486bf42dce7f981e672 /tools
parent498c203d855eaf6571b63ea860a53862c4fe91b7 (diff)
downloadlinux-549aff770ccfec368aa8f0652dbce8b1e8e6715a.tar.xz
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.c1
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",