diff options
| -rw-r--r-- | tests/i915/i915_pm_rpm.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/i915/i915_pm_rpm.c b/tests/i915/i915_pm_rpm.c index 0d1d94ca..9118e895 100644 --- a/tests/i915/i915_pm_rpm.c +++ b/tests/i915/i915_pm_rpm.c @@ -931,15 +931,24 @@ static void i2c_subtest(void) enable_one_screen(&ms_data); } +struct read_entry_elapsed { + uint64_t elapsed; + char *path; +} max_read_entry; + static int read_entry(const char *filepath, const struct stat *info, const int typeflag, struct FTW *pathinfo) { + struct timespec tv = {}; + uint64_t elapsed; char buf[4096]; int fd; int rc; + igt_nsec_elapsed(&tv); + igt_assert_f(is_suspended(), "Before opening: %s (%s)\n", filepath + pathinfo->base, filepath); @@ -958,13 +967,29 @@ static int read_entry(const char *filepath, igt_assert_f(wait_for_suspended(), "After closing: %s (%s)\n", filepath + pathinfo->base, filepath); + elapsed = igt_nsec_elapsed(&tv); + if (elapsed > max_read_entry.elapsed) { + max_read_entry.elapsed = elapsed; + free(max_read_entry.path); + max_read_entry.path = strdup(filepath); + } + return 0; } static void walk_fs(char *path) { + max_read_entry.elapsed = 0; + disable_all_screens_and_wait(&ms_data); nftw(path, read_entry, 20, FTW_PHYS | FTW_MOUNT); + + if (max_read_entry.path) { + igt_info("Slowest file + suspend: %s took %.2fms\n", + max_read_entry.path, max_read_entry.elapsed * 1e-6); + free(max_read_entry.path); + max_read_entry.path = NULL; + } } /* This test will probably pass, with a small chance of hanging the machine in |