Messages in this thread | | | Subject | Re: [perf report] 977f739b71: perf-test.skid_test.round2.MEM_LOAD_L3_MISS_RETIRED.LOCAL_DRAM_dtlb_withou t_NMI_fixed_period.fail | From | "Chen, Rong A" <> | Date | Fri, 2 Oct 2020 16:20:20 +0800 |
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On 9/30/2020 8:41 PM, Michael Petlan wrote: > Hello. To me, it looks rather a random failure. Is it actually reproducible > and proven that the patch has caused it? The patch doesn't seem to cause > the fails below.
Hi Michael,
It's not always reproducible, but we can reproduce it in most cases:
39c0a53b114d0317 977f739b7126bf98b5202e243f6 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :8 75% 6:8 perf-test.skid_test.round2.MEM_LOAD_L3_MISS_RETIRED.LOCAL_DRAM_dtlb_with_NMI.fail :8 88% 7:8 perf-test.skid_test.round2.MEM_LOAD_L3_MISS_RETIRED.LOCAL_DRAM_dtlb_without_NMI_fixed_period.fail :8 25% 2:8 perf-test.skid_test.round2.MEM_LOAD_RETIRED.L2_HIT_dtlb_with_NMI.fail :8 62% 5:8 perf-test.skid_test.round2.MEM_LOAD_RETIRED.L2_HIT_dtlb_without_NMI_fixed_period.fail
Best Regards, Rong Chen
> Cheers, > Michael > > On Wed, 30 Sep 2020, kernel test robot wrote: >> Greeting, >> >> FYI, we noticed the following commit (built with gcc-9): >> >> commit: 977f739b7126bf98b5202e243f60cbc0a1ec2c3b ("perf report: Disable ordered_events for raw dump") >> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master >> >> >> in testcase: perf-test >> version: perf-test-x86_64-git-1_20200717 >> with following parameters: >> >> type: lkp >> ucode: 0xd6 >> >> test-description: The internal Perf Test suite. >> >> >> on test machine: 4 threads Intel(R) Core(TM) i7-7567U CPU @ 3.50GHz with 32G memory >> >> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): >> >> >> >> >> If you fix the issue, kindly add following tag >> Reported-by: kernel test robot <rong.a.chen@intel.com> >> >> >> 2020-09-28 17:02:40 ./skid_test/run.sh >> Mon Sep 28 17:02:58 UTC 2020 >> 3 test cases pass for skid_test test. 3 test cases fail for skid_test test. >> Test Case BR_INST_RETIRED.ALL_BRANCHES_PEBS_triad_loop_with_NMI PASS! >> Test Case MEM_LOAD_RETIRED.L2_HIT_dtlb_with_NMI PASS! >> Test Case MEM_LOAD_L3_MISS_RETIRED.LOCAL_DRAM_dtlb_with_NMI FAILED! >> Test Case BR_INST_RETIRED.ALL_BRANCHES_PEBS_triad_loop_without_NMI_fixed_period PASS! >> Test Case MEM_LOAD_RETIRED.L2_HIT_dtlb_without_NMI_fixed_period FAILED! >> Test Case MEM_LOAD_L3_MISS_RETIRED.LOCAL_DRAM_dtlb_without_NMI_fixed_period FAILED! >> >> >> >> To reproduce: >> >> git clone https://github.com/intel/lkp-tests.git >> cd lkp-tests >> bin/lkp install job.yaml # job file is attached in this email >> bin/lkp run job.yaml >> >> >> >> Thanks, >> Rong Chen >> >> >
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