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tests/pm_rc6_residency: factor out the code to measure residencies

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The upcoming patches will add some additional logic around reading out
the counter values, so factor out the readout code to prepare for those
patches.

No functional change.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2015-05-15 16:22:23 +03:00
parent 7883bc8c1c
commit a76591a4be
1 changed files with 25 additions and 13 deletions
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38
tests/pm_rc6_residency.c
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@ -38,6 +38,13 @@
#define SLEEP_DURATION 3000 // in milliseconds
#define CODE_TIME 50 // in microseconfs
struct residencies {
int rc6;
int media_rc6;
int rc6p;
int rc6pp;
};
static unsigned int readit(const char *path)
{
unsigned int ret;
@ -102,11 +109,23 @@ static void residency_accuracy(unsigned int diff,
"Sysfs RC6 residency counter is inaccurate.\n");
}
static void measure_residencies(int devid, struct residencies *res)
{
res->rc6 = read_rc6_residency("rc6");
if (IS_VALLEYVIEW(devid) || IS_CHERRYVIEW(devid))
res->media_rc6 = read_rc6_residency("media_rc6");
if (IS_GEN6(devid) || IS_IVYBRIDGE(devid)) {
res->rc6p = read_rc6_residency("rc6p");
res->rc6pp = read_rc6_residency("rc6pp");
}
}
igt_main
{
int fd;
int devid = 0;
int rc6, rc6p, rc6pp, media;
struct residencies res;
igt_skip_on_simulation();
@ -116,29 +135,22 @@ igt_main
devid = intel_get_drm_devid(fd);
close(fd);
rc6 = read_rc6_residency("rc6");
if (IS_VALLEYVIEW(devid) || IS_CHERRYVIEW(devid))
media = read_rc6_residency("media_rc6");
if (IS_GEN6(devid) || IS_IVYBRIDGE(devid)) {
rc6p = read_rc6_residency("rc6p");
rc6pp = read_rc6_residency("rc6pp");
}
measure_residencies(devid, &res);
}
igt_subtest("rc6-accuracy")
residency_accuracy(rc6, "rc6");
residency_accuracy(res.rc6, "rc6");
igt_subtest("media-rc6-accuracy")
if (IS_VALLEYVIEW(devid) || IS_CHERRYVIEW(devid))
residency_accuracy(media, "media_rc6");
residency_accuracy(res.media_rc6, "media_rc6");
igt_subtest("rc6p-accuracy") {
if (!IS_GEN6(devid) && !IS_IVYBRIDGE(devid))
igt_skip("This platform doesn't support RC6p\n");
residency_accuracy(rc6p, "rc6p");
residency_accuracy(res.rc6p, "rc6p");
}
igt_subtest("rc6pp-accuracy") {
if (!IS_GEN6(devid) && !IS_IVYBRIDGE(devid))
igt_skip("This platform doesn't support RC6pp\n");
residency_accuracy(rc6pp, "rc6pp");
residency_accuracy(res.rc6pp, "rc6pp");
}
}