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benchmarks/gem_latency: Add output field specifier

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Just to make it easier to integrate into ezbench.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-12-19 14:51:08 +00:00
parent 646cab4c0c
commit db011021a1
1 changed files with 22 additions and 4 deletions
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26
benchmarks/gem_latency.c
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@ -94,6 +94,8 @@ struct producer {
#define HEIGHT 128
#define BCS_TIMESTAMP (0x22000 + 0x358)
#define CYCLES_TO_NS(x) (80*(x))
#define CYCLES_TO_US(x) (CYCLES_TO_NS(x)/1000.)
static uint32_t create_workload(int gen, uint32_t scratch)
{
@ -415,9 +417,20 @@ static int run(int seconds,
igt_stats_push_float(&latency, l_estimate(&p[n].consumers[m].latency));
}
}
printf("%d/%d: %7.3fus %7.3fus\n", complete, nrun,
80/1000.*l_estimate(&throughput),
80/1000.*l_estimate(&latency));
switch ((flags >> 8) & 0xf) {
default:
printf("%d/%d: %7.3fus %7.3fus\n", complete, nrun,
CYCLES_TO_US(l_estimate(&throughput)),
CYCLES_TO_US(l_estimate(&latency)));
break;
case 1:
printf("%f\n", CYCLES_TO_US(l_estimate(&throughput)));
break;
case 2:
printf("%f\n", CYCLES_TO_US(l_estimate(&latency)));
break;
}
return 0;
}
@ -432,7 +445,7 @@ int main(int argc, char **argv)
unsigned flags = 0;
int c;
while ((c = getopt(argc, argv, "p:c:n:w:t:s")) != -1) {
while ((c = getopt(argc, argv, "p:c:n:w:t:f:s")) != -1) {
switch (c) {
case 'p':
/* How many threads generate work? */
@ -469,6 +482,11 @@ int main(int argc, char **argv)
time = 1;
break;
case 'f':
/* Select an output field */
flags |= atoi(optarg) << 8;
break;
case 's':
/* Assign each producer to its own context, adding
* context switching into the mix (e.g. execlists