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perf stat: Use read_counter in read_counter_aggr
Use the read_counter function as the values retrieval function for aggr counter values thus eliminating the use of __perf_evsel__read function. Signed-off-by: Jiri 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/1416562275-12404-7-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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parent
9bf1a52914
commit
1971f59f1a
1 changed files with 16 additions and 2 deletions
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@ -391,6 +391,8 @@ static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
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static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
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struct perf_counts_values *count)
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{
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struct perf_counts_values *aggr = &evsel->counts->aggr;
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switch (aggr_mode) {
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case AGGR_CORE:
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case AGGR_SOCKET:
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@ -401,6 +403,11 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
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update_shadow_stats(evsel, count->values);
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break;
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case AGGR_GLOBAL:
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aggr->val += count->val;
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if (scale) {
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aggr->ena += count->ena;
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aggr->run += count->run;
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}
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default:
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break;
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}
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@ -408,20 +415,27 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
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return 0;
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}
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static int read_counter(struct perf_evsel *counter);
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/*
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* Read out the results of a single counter:
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* aggregate counts across CPUs in system-wide mode
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*/
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static int read_counter_aggr(struct perf_evsel *counter)
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{
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struct perf_counts_values *aggr = &counter->counts->aggr;
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struct perf_stat *ps = counter->priv;
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u64 *count = counter->counts->aggr.values;
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int i;
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if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter),
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thread_map__nr(evsel_list->threads), scale) < 0)
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aggr->val = aggr->ena = aggr->run = 0;
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if (read_counter(counter))
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return -1;
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perf_evsel__compute_deltas(counter, -1, aggr);
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perf_counts_values__scale(aggr, scale, &counter->counts->scaled);
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for (i = 0; i < 3; i++)
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update_stats(&ps->res_stats[i], count[i]);
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