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authorChris Wilson <chris@chris-wilson.co.uk>2016-03-08 14:10:56 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2016-03-08 14:58:59 +0000
commit74761382b3cf4093da4d10a7b92d25721ad92fc7 (patch)
tree645841cd2febc4a021999873cb3f55c6ad800e8d /benchmarks
parent3a7325e4989352c7a3150628e0f941573dffbf62 (diff)
benchmarks/gem_latency: Replace igt_stats with igt_mean
Use a simpler statically allocated struct for computing the mean as otherwise we many run out of memeory! Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'benchmarks')
-rw-r--r--benchmarks/gem_latency.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/benchmarks/gem_latency.c b/benchmarks/gem_latency.c
index 72d58955..79de0efd 100644
--- a/benchmarks/gem_latency.c
+++ b/benchmarks/gem_latency.c
@@ -89,7 +89,7 @@ struct consumer {
int go;
- igt_stats_t latency;
+ struct igt_mean latency;
struct producer *producer;
};
@@ -116,7 +116,7 @@ struct producer {
int wait;
int complete;
int done;
- igt_stats_t latency, dispatch;
+ struct igt_mean latency, dispatch;
int nop;
int nconsumers;
@@ -278,10 +278,10 @@ static void setup_nop(struct producer *p, uint32_t batch)
eb->rsvd1 = p->ctx;
}
-static void measure_latency(struct producer *p, igt_stats_t *stats)
+static void measure_latency(struct producer *p, struct igt_mean *mean)
{
gem_sync(fd, p->latency_dispatch.exec[0].handle);
- igt_stats_push(stats, read_timestamp() - *p->last_timestamp);
+ igt_mean_add(mean, read_timestamp() - *p->last_timestamp);
}
static void *producer(void *arg)
@@ -326,7 +326,7 @@ static void *producer(void *arg)
* (including the nop delays).
*/
measure_latency(p, &p->latency);
- igt_stats_push(&p->dispatch, *p->last_timestamp - start);
+ igt_mean_add(&p->dispatch, *p->last_timestamp - start);
/* Tidy up all the extra threads before we submit again. */
pthread_mutex_lock(&p->lock);
@@ -450,15 +450,15 @@ static int run(int seconds,
pthread_cond_init(&p[n].p_cond, NULL);
pthread_cond_init(&p[n].c_cond, NULL);
- igt_stats_init(&p[n].latency);
- igt_stats_init(&p[n].dispatch);
+ igt_mean_init(&p[n].latency);
+ igt_mean_init(&p[n].dispatch);
p[n].wait = nconsumers;
p[n].nop = nop;
p[n].nconsumers = nconsumers;
p[n].consumers = calloc(nconsumers, sizeof(struct consumer));
for (m = 0; m < nconsumers; m++) {
p[n].consumers[m].producer = &p[n];
- igt_stats_init(&p[n].consumers[m].latency);
+ igt_mean_init(&p[n].consumers[m].latency);
pthread_create(&p[n].consumers[m].thread, NULL,
consumer, &p[n].consumers[m]);
}
@@ -497,13 +497,14 @@ static int run(int seconds,
nrun++;
complete += p[n].complete;
- igt_stats_push_float(&latency, l_estimate(&p[n].latency));
- igt_stats_push_float(&platency, l_estimate(&p[n].latency));
- igt_stats_push_float(&dispatch, l_estimate(&p[n].dispatch));
+ igt_stats_push_float(&latency, p[n].latency.mean);
+ igt_stats_push_float(&platency, p[n].latency.mean);
+ igt_stats_push_float(&dispatch, p[n].dispatch.mean);
for (m = 0; m < nconsumers; m++) {
pthread_join(p[n].consumers[m].thread, NULL);
- igt_stats_push_float(&latency, l_estimate(&p[n].consumers[m].latency));
+ igt_stats_push_float(&latency,
+ p[n].consumers[m].latency.mean);
}
}