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Commit 857a94a2 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf evsel: Introduce perf_evsel__compute_deltas function 



Making compute_deltas functions global and renaming it to
perf_evsel__compute_deltas.

It will be used in stat command in later patch.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1416562275-12404-2-git-send-email-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f78eaef0

tools/perf/util/evsel.c

+4 −5
Original line number Diff line number Diff line
@@ -876,8 +876,7 @@ void perf_evsel__delete(struct perf_evsel *evsel) 
	free(evsel);

}



static inline void compute_deltas(struct perf_evsel *evsel,

				  int cpu,

void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,

				struct perf_counts_values *count)

{

	struct perf_counts_values tmp;
@@ -913,7 +912,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, 
	if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) < 0)

		return -errno;



	compute_deltas(evsel, cpu, &count);

	perf_evsel__compute_deltas(evsel, cpu, &count);



	if (scale) {

		if (count.run == 0)
@@ -956,7 +955,7 @@ int __perf_evsel__read(struct perf_evsel *evsel, 
		}

	}



	compute_deltas(evsel, -1, aggr);

	perf_evsel__compute_deltas(evsel, -1, aggr);



	evsel->counts->scaled = 0;

	if (scale) {

tools/perf/util/evsel.h

+3 −0
Original line number Diff line number Diff line
@@ -110,6 +110,9 @@ struct thread_map; 
struct perf_evlist;

struct record_opts;



void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,

				struct perf_counts_values *count);



int perf_evsel__object_config(size_t object_size,

			      int (*init)(struct perf_evsel *evsel),

			      void (*fini)(struct perf_evsel *evsel));