From 172dbf37070e2dccadc8779d6e0926d3f8d60706 Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Wed, 7 Jan 2015 18:19:23 +0100 Subject: Performance counters: Add option to set otherwise estimated time interval --- src/modules/systemlib/perf_counter.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/modules/systemlib/perf_counter.h') diff --git a/src/modules/systemlib/perf_counter.h b/src/modules/systemlib/perf_counter.h index 92f064d04..0c1243de3 100644 --- a/src/modules/systemlib/perf_counter.h +++ b/src/modules/systemlib/perf_counter.h @@ -111,6 +111,18 @@ __EXPORT extern void perf_begin(perf_counter_t handle); */ __EXPORT extern void perf_end(perf_counter_t handle); +/** + * Register a measurement + * + * This call applies to counters that operate over ranges of time; PC_ELAPSED etc. + * If a call is made without a corresponding perf_begin call. It sets the + * value provided as argument as a new measurement. + * + * @param handle The handle returned from perf_alloc. + * @param elapsed The time elapsed. Negative values lead to incrementing the overrun counter. + */ +__EXPORT extern void perf_set(perf_counter_t handle, int64_t elapsed); + /** * Cancel a performance event. * -- cgit v1.2.3