On Wed, 11 Nov 2015, Derek Morton <derek.j.morton@xxxxxxxxx> wrote:
> Reduced the Sleep period to 200mS and reduced the repetition count to 7
> to decrease the test run time significantly.
>
> v2: Changed uS to us
The electrical engineer in me insists on v4 changing mS to ms, as we're
talking about time, not conductance. ;)
BR,
Jani.
> v3: removed the output formatting change as the issue will be addressed
> in a seperate patch from Thomas Wood.
>
> Signed-off-by: Derek Morton <derek.j.morton@xxxxxxxxx>
> ---
> tests/gem_exec_nop.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tests/gem_exec_nop.c b/tests/gem_exec_nop.c
> index a287d08..fcc9625 100644
> --- a/tests/gem_exec_nop.c
> +++ b/tests/gem_exec_nop.c
> @@ -133,7 +133,7 @@ static void loop(int fd, uint32_t handle, unsigned ring_id, const char *ring_nam
> gem_sync(fd, handle);
>
> for (count = 1; count <= SLOW_QUICK(1<<17, 1<<4); count <<= 1) {
> - const int reps = 13;
> + const int reps = 7;
> igt_stats_t stats;
> int n;
>
> @@ -142,7 +142,7 @@ static void loop(int fd, uint32_t handle, unsigned ring_id, const char *ring_nam
> for (n = 0; n < reps; n++) {
> struct timespec start, end;
> int loops = count;
> - sleep(1); /* wait for the hw to go back to sleep */
> + usleep(200000); /* wait 200mS for the hw to go back to sleep */
> clock_gettime(CLOCK_MONOTONIC, &start);
> while (loops--)
> do_ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf);
--
Jani Nikula, Intel Open Source Technology Center
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