https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3372/shard-snb6/igt@perf_pmu@rc6p.html (perf_pmu:7111) CRITICAL: Test assertion failure function test_rc6p, file perf_pmu.c:1058: (perf_pmu:7111) CRITICAL: Failed assertion: (double)(idle[i] - prev[i]) <= (1.0 + tolerance) * (double)slept && (double)(idle[i] - prev[i]) >= (1.0 - tolerance) * (double)slept (perf_pmu:7111) CRITICAL: 'idle[i] - prev[i]' != 'slept' (0.000000 not within 5.000000% tolerance of 2000105898.000000) Subtest rc6p failed.
Note this was previously handled in bug 103857. However, that bug was fixed for a lot of other tests and machines.
The test is obsolete from commit 3452fa3095e91acbcb1f6290e0d70fa7d3695a3a Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Date: Fri Nov 24 17:13:31 2017 +0000 drm/i915/pmu: Aggregate all RC6 states into one counter Chris has discovered that RC6, RC6p and RC6pp counters are mutually exclusive, and even that on some SNB SKUs you get RC6p increasing, and on the others RC6. Furthermore RC6p and RC6pp were only present starting from GEN6 until, GEN7, not including Haswell. All this combined makes it questionable whether we need to reserve new ABI for these counters. One idea was to just combine them all under the RC6 counter to simplify things for userspace. So that is what this patch does.
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