Commit 0f53264d authored by Dapeng Mi's avatar Dapeng Mi Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Add helper x86__is_intel_cpu() 



Add helper x86__is_intel_cpu() to indicate if it's a x86 intel platform.

Signed-off-by: default avatarDapeng Mi <dapeng1.mi@linux.intel.com>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 45ff39f6

tools/perf/util/env.c

+22 −0
Original line number Diff line number Diff line
@@ -802,3 +802,25 @@ bool x86__is_amd_cpu(void) 


	return is_amd;

}



bool perf_env__is_x86_intel_cpu(struct perf_env *env)

{

	static int is_intel; /* 0: Uninitialized, 1: Yes, -1: No */



	if (is_intel == 0)

		is_intel = env->cpuid && strstarts(env->cpuid, "GenuineIntel") ? 1 : -1;



	return is_intel >= 1 ? true : false;

}



bool x86__is_intel_cpu(void)

{

	struct perf_env env = { .total_mem = 0, };

	bool is_intel;



	perf_env__cpuid(&env);

	is_intel = perf_env__is_x86_intel_cpu(&env);

	perf_env__exit(&env);



	return is_intel;

}

tools/perf/util/env.h

+2 −0
Original line number Diff line number Diff line
@@ -201,5 +201,7 @@ void perf_env__find_br_cntr_info(struct perf_env *env, 


bool x86__is_amd_cpu(void);

bool perf_env__is_x86_amd_cpu(struct perf_env *env);

bool x86__is_intel_cpu(void);

bool perf_env__is_x86_intel_cpu(struct perf_env *env);



#endif /* __PERF_ENV_H */