[PATCH i-g-t] tests/intel: Don't abort the test on the unavailability of sysnode
Kamil Konieczny
kamil.konieczny at linux.intel.com
Wed Dec 4 14:49:42 UTC 2024
Hi Pravalika,
On 2024-12-03 at 19:36:26 +0530, Pravalika Gurram wrote:
> use calloc to assign NULL value in false case, because in restore case
> it will restore the NULL value instead of garbage.
> test should not be abort/skip on the unavailability of sysnode
>
> Signed-off-by: Pravalika Gurram <pravalika.gurram at intel.com>
> ---
> tests/intel/perf_pmu.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/tests/intel/perf_pmu.c b/tests/intel/perf_pmu.c
> index bfa2d501a..87ddfe1a9 100644
> --- a/tests/intel/perf_pmu.c
> +++ b/tests/intel/perf_pmu.c
> @@ -1786,7 +1786,7 @@ test_frequency_idle(int gem_fd, unsigned int gt)
> sysfs = igt_sysfs_gt_open(gem_fd, gt);
> igt_require(sysfs >= 0);
>
> - min_freq = igt_sysfs_get_u32(sysfs, "rps_RPn_freq_mhz");
> + __igt_sysfs_get_u32(sysfs, "rps_RPn_freq_mhz", &min_freq);
imho here you need igt_require(...)
Rest looks ok as I assume that when reading fails, setting also
will fail and that will be catched in appropriate igt_require()
in subtest beginning.
Regards,
Kamil
> close(sysfs);
>
> /* While parked, our convention is to report the GPU at 0Hz */
> @@ -2403,23 +2403,23 @@ static void save_sysfs_freq(int i915)
>
> num_gts = igt_sysfs_get_num_gt(i915);
>
> - stash_min = (uint32_t *)malloc(sizeof(uint32_t) * num_gts);
> - stash_max = (uint32_t *)malloc(sizeof(uint32_t) * num_gts);
> - stash_boost = (uint32_t *)malloc(sizeof(uint32_t) * num_gts);
> + stash_min = (uint32_t *)calloc(num_gts, sizeof(uint32_t) * num_gts);
> + stash_max = (uint32_t *)calloc(num_gts, sizeof(uint32_t) * num_gts);
> + stash_boost = (uint32_t *)calloc(num_gts, sizeof(uint32_t) * num_gts);
>
> /* Save boost, min and max across GTs */
> i915_for_each_gt(i915, tmp, gt) {
> sysfs = igt_sysfs_gt_open(i915, gt);
> igt_require(sysfs >= 0);
>
> - stash_min[gt] = igt_sysfs_get_u32(sysfs, "rps_min_freq_mhz");
> - stash_max[gt] = igt_sysfs_get_u32(sysfs, "rps_max_freq_mhz");
> - stash_boost[gt] = igt_sysfs_get_u32(sysfs, "rps_boost_freq_mhz");
> + __igt_sysfs_get_u32(sysfs, "rps_min_freq_mhz", &stash_min[gt]);
> + __igt_sysfs_get_u32(sysfs, "rps_max_freq_mhz", &stash_max[gt]);
> + __igt_sysfs_get_u32(sysfs, "rps_boost_freq_mhz", &stash_boost[gt]);
> igt_debug("GT: %d, min: %d, max: %d, boost:%d\n",
> gt, stash_min[gt], stash_max[gt], stash_boost[gt]);
>
> - rpn_freq = igt_sysfs_get_u32(sysfs, "rps_RPn_freq_mhz");
> - rp0_freq = igt_sysfs_get_u32(sysfs, "rps_RP0_freq_mhz");
> + __igt_sysfs_get_u32(sysfs, "rps_RPn_freq_mhz", &rpn_freq);
> + __igt_sysfs_get_u32(sysfs, "rps_RP0_freq_mhz", &rp0_freq);
>
> /* Set pre-conditions, in case frequencies are in non-default state */
> igt_require(__igt_sysfs_set_u32(sysfs, "rps_max_freq_mhz", rp0_freq));
> --
> 2.34.1
>
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