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authorKim Phillips <[email protected]>2020-02-07 17:06:12 -0600
committerArnaldo Carvalho de Melo <[email protected]>2020-02-10 16:30:13 -0300
commit0e71459afcbbf69e92a65085c45515d3f3f02c31 (patch)
tree37e5a609695d176d37c1e1d4ce17194bfde00988
parent80cc7bb6c104d733bff60ddda09f19139c61507c (diff)
perf symbols: Update the list of kernel idle symbols
The "acpi_idle_do_entry", "acpi_processor_ffh_cstate_enter", and "idle_cpu" symbols appear in 'perf top' output, at least on AMD systems. Add them to perf's idle_symbols list, so they don't dominate 'perf top' output. Signed-off-by: Kim Phillips <[email protected]> Acked-by: Jiri Olsa <[email protected]> Acked-by: Song Liu <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Cong Wang <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Jin Yao <[email protected]> Cc: Kan Liang <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-rw-r--r--tools/perf/util/symbol.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 3b379b1296f1..f3120c4f47ad 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -635,9 +635,12 @@ out:
static bool symbol__is_idle(const char *name)
{
const char * const idle_symbols[] = {
+ "acpi_idle_do_entry",
+ "acpi_processor_ffh_cstate_enter",
"arch_cpu_idle",
"cpu_idle",
"cpu_startup_entry",
+ "idle_cpu",
"intel_idle",
"default_idle",
"native_safe_halt",