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igt@gem_exec_fair@basic-[pace-share|pace|pace-solo]@.* - fail - Failed assertion: 4 * igt_mean_get(&m) > 3 * result[nchild / 2] && 3 * igt_mean_get(&m) < 4 * result[nchild / 2]

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_737/fi-bsw-kefka/igt@gem_exec_fair@basic-pace-share@rcs0.html

- Err	
- Starting subtest: basic-pace-share
- Starting dynamic subtest: rcs0
- (gem_exec_fair:1080) CRITICAL: Test assertion failure function fairness, file ../tests/i915/gem_exec_fair.c:784:
- (gem_exec_fair:1080) CRITICAL: Failed assertion: 4 * igt_mean_get(&m) > 3 * result[nchild / 2] && 3 * igt_mean_get(&m) < 4 * result[nchild / 2]
- (gem_exec_fair:1080) CRITICAL: Mean of client interval 16.80ms differs from median 11.20ms, distribution is skewed
- Dynamic subtest rcs0 failed.
- **** DEBUG ****
- (gem_exec_fair:1080) DEBUG: Test requirement passed: has_ctx_timestamp(i915, e)
- (gem_exec_fair:1080) DEBUG: Test requirement passed: gem_class_has_mutable_submission(i915, e->class)
- (gem_exec_fair:1080) DEBUG: CPU usage: 14%
- (gem_exec_fair:1080) DEBUG: CPU usage: 32%
- (gem_exec_fair:1080) INFO:   3 clients, range: [11.2, 28.0], iqr: [11.2, 28.0], median: 11.2 [11.2, 22.4], mean: 16.8 ± 7.92 ms, cpu: 32%
- (gem_exec_fair:1080) CRITICAL: Test assertion failure function fairness, file ../tests/i915/gem_exec_fair.c:784:
- (gem_exec_fair:1080) CRITICAL: Failed assertion: 4 * igt_mean_get(&m) > 3 * result[nchild / 2] && 3 * igt_mean_get(&m) < 4 * result[nchild / 2]
- (gem_exec_fair:1080) CRITICAL: Mean of client interval 16.80ms differs from median 11.20ms, distribution is skewed
- (gem_exec_fair:1080) igt_core-INFO: Stack trace:
- (gem_exec_fair:1080) igt_core-INFO:   #0 ../lib/igt_core.c:1727 __igt_fail_assert()
- (gem_exec_fair:1080) igt_core-INFO:   #1 ../tests/i915/gem_exec_fair.c:791 fairness()
- (gem_exec_fair:1080) igt_core-INFO:   #2 ../tests/i915/gem_exec_fair.c:1185 __real_main1066()
- (gem_exec_fair:1080) igt_core-INFO:   #3 ../tests/i915/gem_exec_fair.c:1066 main()
- (gem_exec_fair:1080) igt_core-INFO:   #4 ../csu/libc-start.c:344 __libc_start_main()
- (gem_exec_fair:1080) igt_core-INFO:   #5 [_start+0x2a]
- ****  END  ****
- Dynamic subtest rcs0: FAIL (2.597s)
- Subtest basic-pace-share: FAIL (2.599s)
Edited by LAKSHMINARAYANA VUDUM
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