diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/pm_rc6_residency.c | 88 |
1 files changed, 48 insertions, 40 deletions
diff --git a/tests/pm_rc6_residency.c b/tests/pm_rc6_residency.c index 3f3363a5..2658a893 100644 --- a/tests/pm_rc6_residency.c +++ b/tests/pm_rc6_residency.c @@ -33,8 +33,8 @@ #include <errno.h> #include "drmtest.h" +#include "intel_chipset.h" -#define NUMBER_OF_RC6_RESIDENCY 3 #define SLEEP_DURATION 3000 // in milliseconds #define RC6_FUDGE 900 // in milliseconds @@ -54,7 +54,7 @@ static unsigned int readit(const char *path) return ret; } -static void read_rc6_residency( int value[], const char *name_of_rc6_residency[]) +static void read_rc6_residency( int value[], const char *name_of_rc6_residency) { unsigned int i; const int device = drm_get_card(); @@ -76,83 +76,91 @@ static void read_rc6_residency( int value[], const char *name_of_rc6_residency[] if (readit(path) == 0) igt_success(); - for(i = 0; i < 6; i++) + for(i = 0; i < 2; i++) { - if(i == 3) - sleep(SLEEP_DURATION / 1000); - ret = asprintf(&path, "/sys/class/drm/card%d/power/%s_residency_ms",device,name_of_rc6_residency[i % 3]); + sleep(SLEEP_DURATION / 1000); + ret = asprintf(&path, "/sys/class/drm/card%d/power/%s_residency_ms",device,name_of_rc6_residency); igt_assert(ret != -1); value[i] = readit(path); } free(path); } -static void residency_accuracy(int value[],const char *name_of_rc6_residency[]) +static void residency_accuracy(int value[],const char *name_of_rc6_residency) { - int flag; unsigned int flag_counter,flag_support; double counter_result = 0; unsigned int diff; + unsigned int tmp_counter, tmp_support; + double counter; flag_counter = 0; flag_support = 0; - diff = (value[3] - value[0]) + - (value[4] - value[1]) + - (value[5] - value[2]); + diff = (value[1] - value[0]); igt_assert_f(diff <= (SLEEP_DURATION + RC6_FUDGE),"Diff was too high. That is unpossible\n"); igt_assert_f(diff >= (SLEEP_DURATION - RC6_FUDGE),"GPU was not in RC6 long enough. Check that " "the GPU is as idle as possible(ie. no X, " "running and running no other tests)\n"); - for(flag = NUMBER_OF_RC6_RESIDENCY-1; flag >= 0; flag --) - { - unsigned int tmp_counter, tmp_support; - double counter; - counter = ((double)value[flag + 3] - (double)value[flag]) /(double) SLEEP_DURATION; + counter = ((double)value[1] - (double)value[0]) /(double) SLEEP_DURATION; - if( counter > 0.9 ){ - counter_result = counter; - tmp_counter = 1; - } - else - tmp_counter = 0; + if( counter > 0.9 ){ + counter_result = counter; + tmp_counter = 1; + } + else + tmp_counter = 0; - if( value [flag + 3] == 0){ - tmp_support = 0; - igt_info("This machine doesn't support %s\n", name_of_rc6_residency[flag]); - } - else - tmp_support = 1; + if( value [1] == 0){ + tmp_support = 0; + igt_info("This machine/configuration doesn't support %s\n", name_of_rc6_residency); + } + else + tmp_support = 1; - flag_counter = flag_counter + tmp_counter; - flag_counter = flag_counter << 1; + flag_counter = flag_counter + tmp_counter; + flag_counter = flag_counter << 1; - flag_support = flag_support + tmp_support; - flag_support = flag_support << 1; - } + flag_support = flag_support + tmp_support; + flag_support = flag_support << 1; igt_info("The residency counter: %f \n", counter_result); - igt_skip_on_f(flag_support == 0 , "This machine didn't entry any RC6 state.\n"); + igt_skip_on_f(flag_support == 0 , "This machine didn't entry %s state.\n", name_of_rc6_residency); igt_assert_f((flag_counter != 0) && (counter_result <=1) , "Sysfs RC6 residency counter is inaccurate.\n"); - igt_info("This machine entry %s state.\n", name_of_rc6_residency[(flag_counter / 2) - 1]); + igt_info("This machine entry %s state.\n", name_of_rc6_residency); } igt_main { int fd; - int value[6]; - const char *name_of_rc6_residency[3]={"rc6","rc6p","rc6pp"}; + int devid = 0; + int rc6[2], rc6p[2], rc6pp[2]; igt_skip_on_simulation(); /* Use drm_open_any to verify device existence */ igt_fixture { fd = drm_open_any(); + devid = intel_get_drm_devid(fd); close(fd); - read_rc6_residency(value, name_of_rc6_residency); + read_rc6_residency(rc6, "rc6"); + if (IS_GEN6(devid) || IS_IVYBRIDGE(devid)) { + read_rc6_residency(rc6p, "rc6p"); + read_rc6_residency(rc6pp, "rc6pp"); + } } - igt_subtest("residency-accuracy") - residency_accuracy(value, name_of_rc6_residency); + igt_subtest("rc6-accuracy") + residency_accuracy(rc6, "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"); + } + igt_subtest("rc6pp-accuracy") { + if (!IS_GEN6(devid) && !IS_IVYBRIDGE(devid)) + igt_skip("This platform doesn't support RC6pp\n"); + residency_accuracy(rc6pp, "rc6pp"); + } } |