diff options
| -rw-r--r-- | tests/pm_rps.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/pm_rps.c b/tests/pm_rps.c index 7898e78c..09ae3499 100644 --- a/tests/pm_rps.c +++ b/tests/pm_rps.c @@ -522,6 +522,43 @@ static void reset(void) idle_check(); } +static void blocking(void) +{ + int pre_freqs[NUMFREQ]; + int post_freqs[NUMFREQ]; + + int fd = drm_open_any(); + igt_assert(fd >= 0); + + /* + * quiescent_gpu upsets the gpu and makes it get pegged to max somehow. + * Don't ask. + */ + sleep(10); + + igt_debug("Apply low load...\n"); + load_helper_run(LOW); + stabilize_check(pre_freqs); + load_helper_stop(); + + sleep(5); + + igt_debug("Kick gpu hard ...\n"); + /* This relies on the blocking waits in quiescent_gpu and the kernel + * boost logic to ramp the gpu to full load. */ + gem_quiescent_gpu(fd); + gem_quiescent_gpu(fd); + + igt_debug("Apply low load again...\n"); + load_helper_run(LOW); + stabilize_check(post_freqs); + load_helper_stop(); + matchit(pre_freqs, post_freqs); + + igt_debug("Removing load...\n"); + idle_check(); +} + static void pm_rps_exit_handler(int sig) { if (origfreqs[MIN] > readval(stuff[MAX].filp)) { @@ -583,4 +620,7 @@ igt_main igt_subtest("reset") reset(); + + igt_subtest("blocking") + blocking(); } |