Messages in this thread Patch in this message | | | From | Kim Phillips <> | Subject | [PATCH 1/2] perf symbols: Update the list of kernel idle symbols | Date | Wed, 15 Jan 2020 16:29:48 -0600 |
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"acpi_idle_do_entry", "acpi_processor_ffh_cstate_enter", and "idle_cpu" 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.
Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Kim Phillips <kim.phillips@amd.com> Cc: Song Liu <songliubraving@fb.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: linux-perf-users@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Kim Phillips <kim.phillips@amd.com> --- tools/perf/util/symbol.c | 3 +++ 1 file changed, 3 insertions(+)
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 @@ int modules__parse(const char *filename, void *arg, 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", -- 2.24.1
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