diff options
| author | Petri Savolainen <petri.savolainen@nokia.com> | 2022-11-23 11:21:14 +0200 |
|---|---|---|
| committer | Petri Savolainen <petri.savolainen@nokia.com> | 2022-11-28 17:10:24 +0200 |
| commit | 50051bfda7d6a77b4c62b022d946220b9a2a8830 (patch) | |
| tree | c9bb961be70af26b7c52d0ab881b146f79cdf9f0 /test | |
| parent | 3edaaddbfd9de6a9c171298d94dfcd008761366b (diff) | |
test: sched_latency: use strict time stamps
Use odp_time_global_strict() instead of the basic version
for better time stamp accuracy. Remove latency of time
conversion from the measurement by saving raw time stamp
data to the event.
Signed-off-by: Petri Savolainen <petri.savolainen@nokia.com>
Reviewed-by: Jere Leppänen <jere.leppanen@nokia.com>
Diffstat (limited to 'test')
| -rw-r--r-- | test/performance/odp_sched_latency.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/test/performance/odp_sched_latency.c b/test/performance/odp_sched_latency.c index d4cbfda19..131f8b4ca 100644 --- a/test/performance/odp_sched_latency.c +++ b/test/performance/odp_sched_latency.c @@ -70,7 +70,7 @@ typedef enum { /** Test event */ typedef struct { - uint64_t ts; /**< Send timestamp */ + odp_time_t time_stamp; /**< Send timestamp */ event_type_t type; /**< Message type */ int src_idx[NUM_PRIOS]; /**< Source ODP queue */ int prio; /**< Source queue priority */ @@ -398,6 +398,7 @@ static int join_groups(test_globals_t *globals, int thr) */ static int test_schedule(int thr, test_globals_t *globals) { + odp_time_t time; odp_event_t ev; odp_buffer_t buf; odp_queue_t src_queue; @@ -425,7 +426,9 @@ static int test_schedule(int thr, test_globals_t *globals) stats = &globals->core_stat[thr].prio[event->prio]; if (event->type == SAMPLE) { - latency = odp_time_to_ns(odp_time_global()) - event->ts; + time = odp_time_global_strict(); + + latency = odp_time_to_ns(time) - odp_time_to_ns(event->time_stamp); if (latency > stats->max) stats->max = latency; @@ -459,7 +462,7 @@ static int test_schedule(int thr, test_globals_t *globals) dst_queue = globals->queue[event->prio][dst_idx]; if (event->type == SAMPLE) - event->ts = odp_time_to_ns(odp_time_global()); + event->time_stamp = odp_time_global_strict(); if (odp_queue_enq(dst_queue, ev)) { ODPH_ERR("[%i] Queue enqueue failed.\n", thr); |