Commit 549aff77 authored Jan 09, 2019 by Arnaldo Carvalho de Melo

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>

parent 498c203d

tools/perf/util/symbol.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -614,6 +614,7 @@ out:
	static bool symbol__is_idle(const char *name)		static bool symbol__is_idle(const char *name)
	{		{
	const char * const idle_symbols[] = {		const char * const idle_symbols[] = {
			"arch_cpu_idle",
	"cpu_idle",		"cpu_idle",
	"cpu_startup_entry",		"cpu_startup_entry",
	"intel_idle",		"intel_idle",

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