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-rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 2 | ||||
-rw-r--r-- | tools/perf/builtin-stat.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 4d56586b2fb9..3fb5028aef08 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -176,6 +176,8 @@ Print count deltas every N milliseconds (minimum: 1ms) The overhead percentage could be high in some cases, for instance with small, sub 100ms intervals. Use with caution. example: 'perf stat -I 1000 -e cycles -a sleep 5' +If the metric exists, it is calculated by the counts generated in this interval and the metric is printed after #. + --interval-count times:: Print count deltas for fixed number of times. This option should be used together with "-I" option. diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 9207b6c45475..3f050d85c277 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -359,6 +359,7 @@ static void process_interval(void) clock_gettime(CLOCK_MONOTONIC, &ts); diff_timespec(&rs, &ts, &ref_time); + perf_stat__reset_shadow_per_stat(&rt_stat); read_counters(&rs); if (STAT_RECORD) { |