diff options
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r-- | tools/perf/util/evsel.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1c73bc4..6dc7a67 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -897,6 +897,26 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu, count->run = count->run - tmp.run; } +void perf_counts_values__scale(struct perf_counts_values *count, + bool scale, s8 *pscaled) +{ + s8 scaled = 0; + + if (scale) { + if (count->run == 0) { + scaled = -1; + count->val = 0; + } else if (count->run < count->ena) { + scaled = 1; + count->val = (u64)((double) count->val * count->ena / count->run + 0.5); + } + } else + count->ena = count->run = 0; + + if (pscaled) + *pscaled = scaled; +} + int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, int cpu, int thread, bool scale) { @@ -913,15 +933,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, return -errno; perf_evsel__compute_deltas(evsel, cpu, &count); - - if (scale) { - if (count.run == 0) - count.val = 0; - else if (count.run < count.ena) - count.val = (u64)((double)count.val * count.ena / count.run + 0.5); - } else - count.ena = count.run = 0; - + perf_counts_values__scale(&count, scale, NULL); evsel->counts->cpu[cpu] = count; return 0; } @@ -956,22 +968,7 @@ int __perf_evsel__read(struct perf_evsel *evsel, } perf_evsel__compute_deltas(evsel, -1, aggr); - - evsel->counts->scaled = 0; - if (scale) { - if (aggr->run == 0) { - evsel->counts->scaled = -1; - aggr->val = 0; - return 0; - } - - if (aggr->run < aggr->ena) { - evsel->counts->scaled = 1; - aggr->val = (u64)((double)aggr->val * aggr->ena / aggr->run + 0.5); - } - } else - aggr->ena = aggr->run = 0; - + perf_counts_values__scale(aggr, scale, &evsel->counts->scaled); return 0; } |