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igt/gem_exec_nop: Explain the parallel execution assertion

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-04-14 17:03:07 +01:00
parent 286992102e
commit 7bd4f918c4
1 changed files with 3 additions and 1 deletions
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4
tests/gem_exec_nop.c
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@ -187,7 +187,9 @@ static void all(int fd, uint32_t handle, int timeout)
* is frozen. So in general we cannot go faster than the slowest
* engine, but we should equally not go any slower.
*/
igt_assert(time < max + min); /* ensure parallel execution */
igt_assert_f(time < max + 10*min/9, /* ensure parallel execution */
"Average time (%.3fus) exceeds expecation for parallel execution (min %.3fus, max %3.fus; limit set at %.3fus)\n",
time, min, max, max + 10*min/9);
}
igt_main