On 05/12/18 02:48, Chris Wilson wrote:
To try and help debug situations where the driver has leaked a runtime reference before executing the pm_rpm tests, show the contents of i915_runtime_pm_status at startup, which will include all currently held wakerefs.
LGTM. Reviewed-by: Antonio Argenziano <antonio.argenzi...@intel.com>
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> --- tests/pm_rpm.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c index f0d6db525..7427958dc 100644 --- a/tests/pm_rpm.c +++ b/tests/pm_rpm.c @@ -725,6 +725,18 @@ static bool dmc_loaded(void) return strstr(buf, "fw loaded: yes"); }+static void dump_file(int dir, const char *filename)+{ + char *contents; + + contents = igt_sysfs_get(dir, filename); + if (!contents) + return; + + igt_debug("%s:\n%s\n", filename, contents); + free(contents); +} + static bool setup_environment(void) { if (has_runtime_pm) @@ -744,6 +756,8 @@ static bool setup_environment(void) has_runtime_pm = igt_setup_runtime_pm(); setup_pc8();+ dump_file(debugfs, "i915_runtime_pm_status");+ igt_info("Runtime PM support: %d\n", has_runtime_pm); igt_info("PC8 residency support: %d\n", has_pc8); igt_require(has_runtime_pm);
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