2014-02-16 04:18:41 /lkp/lkp/src/sbin/perf-bisect /lkp/.bisect-descs/bisect-desc.vmstat.system.cs.2014-02-16.03:54:18 --- stat: vmstat.system.cs interval: ! '[ 5.1883e+06 - 5.1883e+06 ] -- [ 2474 - 4961 ]' a: - 5188285 b: - 2474 - 2919 - 3479 - 3594 - 3669 - 3802 - 4124 - 4194 - 4961 ttl: 2014-02-15 17:33:53.961378385 +08:00 ratio: 5 delta: 5184616 mean_a: 5188285 mean_b: 3669 x: 0 y: 5183324 z: 2487 min_a: 5188285 max_a: 5188285 min_b: 2474 max_b: 4961 max: 5188285 nr_run: 1469 good_commit: b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed tbox_group: lkp-snb01 run_time: 311 result_root: /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/0 _result_root: /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64 head_commit: 5abff587f6ba8de0adf41a19c4add6a3a4b37b64 base_commit: b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed commit: 5abff587f6ba8de0adf41a19c4add6a3a4b37b64 branch: linux-devel/devel-hourly-2014021515 kconfig: x86_64-lkp testbox: lkp-snb01 score_perf_change: 0 change_percent: 0.999292829904294 variation: 0.00047957783266686733 avg_run_time: 312 score_change: 99.96463524188411 score_var: 9.985619563763917 score_time: 90 score_metric: 4 prio: 203.9503 2014-02-16 04:18:42 [perf-bisect 98512] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed -q reconfirm -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 3 times: /lkp/jobs/reconfirm/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed-2.yaml 2014-02-16 04:24:23 [perf-bisect 98512] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:5abff587f6ba8de0adf41a19c4add6a3a4b37b64 -q reconfirm -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 3 times: /lkp/jobs/reconfirm/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-5abff587f6ba8de0adf41a19c4add6a3a4b37b64-2.yaml 2014-02-16 04:44:24 [perf-bisect 98512] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed -q reconfirm -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 5 times: /lkp/jobs/reconfirm/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed-4.yaml 2014-02-16 04:56:44 [perf-bisect 98512] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:5abff587f6ba8de0adf41a19c4add6a3a4b37b64 -q reconfirm -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 5 times: /lkp/jobs/reconfirm/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-5abff587f6ba8de0adf41a19c4add6a3a4b37b64-4.yaml git checkout b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed 2014-02-16 05:15:06 [perf-bisect-test 73445] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed-1.yaml 2014-02-16 05:22:06 [perf-bisect-test 73445] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json bisect GOOD: [2734, 3802, 7773] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] bisect: good commit b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed git bisect start 5abff587f6ba8de0adf41a19c4add6a3a4b37b64 b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed -- /c/kernel-tests/linear-bisect: ["-b", "5abff587f6ba8de0adf41a19c4add6a3a4b37b64", "-g", "b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed", "/lkp/lkp/src/sbin/perf-bisect-test", "/cc/perf-bisect-obj/lkp/x86_64-lkp"] Bisecting: 1944 revisions left to test after this (roughly 11 steps) [7aaf3caaab7f5ddc8da4359a93a8a6be86946169] Merge 'at91/at91-3.15-cleanup' into devel-hourly-2014021515 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 05:22:07 [perf-bisect-test 10038] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:7aaf3caaab7f5ddc8da4359a93a8a6be86946169 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-7aaf3caaab7f5ddc8da4359a93a8a6be86946169-1.yaml 2014-02-16 05:40:58 [perf-bisect-test 10038] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/7aaf3caaab7f5ddc8da4359a93a8a6be86946169/matrix.json bisect BAD: [5152320, 5470320, 5470320] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 1076 revisions left to test after this (roughly 11 steps) [f6afc6d8b9d433388365d1567babe4b1738400bb] Merge 'pci/pci/host-mvebu' into devel-hourly-2014021515 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 05:40:58 [perf-bisect-test 40970] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:f6afc6d8b9d433388365d1567babe4b1738400bb -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k f6afc6d8b9d433388365d1567babe4b1738400bb -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-f6afc6d8b9d433388365d1567babe4b1738400bb Check for kernel in /kernel/x86_64-lkp/f6afc6d8b9d433388365d1567babe4b1738400bb waiting for completion of /kernel-tests/build-queue/x86_64-lkp-f6afc6d8b9d433388365d1567babe4b1738400bb waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-f6afc6d8b9d433388365d1567babe4b1738400bb kernel: /kernel/x86_64-lkp/f6afc6d8b9d433388365d1567babe4b1738400bb/vmlinuz-3.14.0-rc2-wl-ath-00835-gf6afc6d Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-f6afc6d8b9d433388365d1567babe4b1738400bb-1.yaml 2014-02-16 06:00:19 [perf-bisect-test 40970] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/f6afc6d8b9d433388365d1567babe4b1738400bb/matrix.json bisect GOOD: [2868, 3166, 3166] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 241 revisions left to test after this (roughly 8 steps) [d67497e37737967e5edb30ff331e7479e19a13f3] Merge 'char-misc/char-misc-linus' into devel-hourly-2014021515 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 06:00:19 [perf-bisect-test 797] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:d67497e37737967e5edb30ff331e7479e19a13f3 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k d67497e37737967e5edb30ff331e7479e19a13f3 -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-d67497e37737967e5edb30ff331e7479e19a13f3 Check for kernel in /kernel/x86_64-lkp/d67497e37737967e5edb30ff331e7479e19a13f3 waiting for completion of /kernel-tests/build-queue/x86_64-lkp-d67497e37737967e5edb30ff331e7479e19a13f3 waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-d67497e37737967e5edb30ff331e7479e19a13f3 kernel: /kernel/x86_64-lkp/d67497e37737967e5edb30ff331e7479e19a13f3/vmlinuz-3.14.0-rc2-wl-ath-00912-gd67497e Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-d67497e37737967e5edb30ff331e7479e19a13f3-1.yaml 2014-02-16 06:18:30 [perf-bisect-test 797] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/d67497e37737967e5edb30ff331e7479e19a13f3/matrix.json bisect BAD: [5209415, 5211906, 5211906] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 77 revisions left to test after this (roughly 7 steps) [933530ed7e473b3c0efa0a0b39c09c65c04beb37] Merge 'arm-perf/for-next/perf' into devel-hourly-2014021515 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 06:18:31 [perf-bisect-test 41141] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:933530ed7e473b3c0efa0a0b39c09c65c04beb37 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k 933530ed7e473b3c0efa0a0b39c09c65c04beb37 -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-933530ed7e473b3c0efa0a0b39c09c65c04beb37 Check for kernel in /kernel/x86_64-lkp/933530ed7e473b3c0efa0a0b39c09c65c04beb37 waiting for completion of /kernel-tests/build-queue/x86_64-lkp-933530ed7e473b3c0efa0a0b39c09c65c04beb37 waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-933530ed7e473b3c0efa0a0b39c09c65c04beb37 kernel: /kernel/x86_64-lkp/933530ed7e473b3c0efa0a0b39c09c65c04beb37/vmlinuz-3.14.0-rc2-wl-ath-00868-g933530e Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-933530ed7e473b3c0efa0a0b39c09c65c04beb37-1.yaml 2014-02-16 06:36:23 [perf-bisect-test 41141] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/933530ed7e473b3c0efa0a0b39c09c65c04beb37/matrix.json bisect GOOD: [2499, 2714, 2714] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 44 revisions left to test after this (roughly 6 steps) [9fd1bb34f21472d352fbf49bbdf1f07a320393ca] Merge 'kvm/master' into devel-hourly-2014021515 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 06:36:23 [perf-bisect-test 69581] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:9fd1bb34f21472d352fbf49bbdf1f07a320393ca -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k 9fd1bb34f21472d352fbf49bbdf1f07a320393ca -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-9fd1bb34f21472d352fbf49bbdf1f07a320393ca Check for kernel in /kernel/x86_64-lkp/9fd1bb34f21472d352fbf49bbdf1f07a320393ca waiting for completion of /kernel-tests/build-queue/x86_64-lkp-9fd1bb34f21472d352fbf49bbdf1f07a320393ca waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-9fd1bb34f21472d352fbf49bbdf1f07a320393ca kernel: /kernel/x86_64-lkp/9fd1bb34f21472d352fbf49bbdf1f07a320393ca/vmlinuz-3.14.0-rc2-wl-ath-00876-g9fd1bb3 Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-9fd1bb34f21472d352fbf49bbdf1f07a320393ca-1.yaml 2014-02-16 06:55:04 [perf-bisect-test 69581] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/9fd1bb34f21472d352fbf49bbdf1f07a320393ca/matrix.json bisect GOOD: [3523, 7441, 7441] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 36 revisions left to test after this (roughly 6 steps) [1a9a97cd15230efd44ff9957326dd245f89bdbd6] Merge 'alexshi/topdown' into devel-hourly-2014021515 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 06:55:05 [perf-bisect-test 101819] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:1a9a97cd15230efd44ff9957326dd245f89bdbd6 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k 1a9a97cd15230efd44ff9957326dd245f89bdbd6 -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-1a9a97cd15230efd44ff9957326dd245f89bdbd6 Check for kernel in /kernel/x86_64-lkp/1a9a97cd15230efd44ff9957326dd245f89bdbd6 waiting for completion of /kernel-tests/build-queue/x86_64-lkp-1a9a97cd15230efd44ff9957326dd245f89bdbd6 waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-1a9a97cd15230efd44ff9957326dd245f89bdbd6 kernel: /kernel/x86_64-lkp/1a9a97cd15230efd44ff9957326dd245f89bdbd6/vmlinuz-3.14.0-rc2-wl-ath-00895-g1a9a97c Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-1a9a97cd15230efd44ff9957326dd245f89bdbd6-1.yaml 2014-02-16 07:21:36 [perf-bisect-test 101819] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/1a9a97cd15230efd44ff9957326dd245f89bdbd6/matrix.json bisect BAD: [5211562, 5215236, 5215236] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] linear-bisect: bad branch may be alexshi/topdown [v3.14-rc2] Linux 3.14-rc2 running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 07:21:39 [perf-bisect-test 43744] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed-1.yaml 2014-02-16 07:25:30 [perf-bisect-test 43744] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json bisect GOOD: [2734, 3802, 7773] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] [d2f8e017fdd913fc150160508d2e1161cab5fef6] sched: remove un-used functions running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 07:25:30 [perf-bisect-test 115104] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:d2f8e017fdd913fc150160508d2e1161cab5fef6 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-d2f8e017fdd913fc150160508d2e1161cab5fef6-1.yaml 2014-02-16 07:45:41 [perf-bisect-test 115104] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/d2f8e017fdd913fc150160508d2e1161cab5fef6/matrix.json bisect BAD: [4736446, 5001400, 5001400] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] linear-bisect: recursive descent into merged branch /c/kernel-tests/linear-bisect: ["-g", "v3.14-rc2", "-b", "d2f8e017fdd913fc150160508d2e1161cab5fef6", "/lkp/lkp/src/sbin/perf-bisect-test", "/cc/perf-bisect-obj/lkp/x86_64-lkp"] Bisecting: 18 revisions left to test after this (roughly 5 steps) [f6ab232915356bd6649052c1672c10424feab995] sched: remove rq->cpu_load and rq->nr_load_updates running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 07:45:42 [perf-bisect-test 74444] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:f6ab232915356bd6649052c1672c10424feab995 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-f6ab232915356bd6649052c1672c10424feab995-1.yaml 2014-02-16 08:04:02 [perf-bisect-test 74444] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/f6ab232915356bd6649052c1672c10424feab995/matrix.json bisect GOOD: [2329, 4551, 4551] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 9 revisions left to test after this (roughly 4 steps) [7511dd0a73aaf2ca4bcd829f991dcd2c839c5417] sched: only do load balance on tick_do_timer_cpu running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 08:04:03 [perf-bisect-test 53445] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:7511dd0a73aaf2ca4bcd829f991dcd2c839c5417 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-7511dd0a73aaf2ca4bcd829f991dcd2c839c5417-1.yaml 2014-02-16 08:21:33 [perf-bisect-test 53445] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/7511dd0a73aaf2ca4bcd829f991dcd2c839c5417/matrix.json bisect BAD: [5373928, 5996496, 5996496] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 4 revisions left to test after this (roughly 3 steps) [6de9950778921604a8bd0fbab09911df5d98bbeb] sched: add statistic for newidle load balance cost running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 08:21:34 [perf-bisect-test 112510] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:6de9950778921604a8bd0fbab09911df5d98bbeb -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k 6de9950778921604a8bd0fbab09911df5d98bbeb -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-6de9950778921604a8bd0fbab09911df5d98bbeb Check for kernel in /kernel/x86_64-lkp/6de9950778921604a8bd0fbab09911df5d98bbeb waiting for completion of /kernel-tests/build-queue/x86_64-lkp-6de9950778921604a8bd0fbab09911df5d98bbeb waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-6de9950778921604a8bd0fbab09911df5d98bbeb kernel: /kernel/x86_64-lkp/6de9950778921604a8bd0fbab09911df5d98bbeb/vmlinuz-3.14.0-rc2-00011-g6de9950 Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-6de9950778921604a8bd0fbab09911df5d98bbeb-1.yaml 2014-02-16 08:46:04 [perf-bisect-test 112510] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/6de9950778921604a8bd0fbab09911df5d98bbeb/matrix.json bisect GOOD: [2622, 2906, 2906] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] Bisecting: 2 revisions left to test after this (roughly 2 steps) [bc575710efe937e26d2bd541d92362b240ef0559] sched: clean up task_hot function running /lkp/lkp/src/sbin/perf-bisect-test /cc/perf-bisect-obj/lkp/x86_64-lkp 2014-02-16 08:46:05 [perf-bisect-test 5884] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:bc575710efe937e26d2bd541d92362b240ef0559 -q bisect -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig /lkp/lkp/src/sbin/kbuild-queue -c x86_64-lkp -b linux-devel/devel-hourly-2014021515 -k bc575710efe937e26d2bd541d92362b240ef0559 -w Queued build task to /kernel-tests/build-queue/x86_64-lkp-bc575710efe937e26d2bd541d92362b240ef0559 Check for kernel in /kernel/x86_64-lkp/bc575710efe937e26d2bd541d92362b240ef0559 waiting for completion of /kernel-tests/build-queue/x86_64-lkp-bc575710efe937e26d2bd541d92362b240ef0559 waiting for completion of /kernel-tests/build-queue/.x86_64-lkp-bc575710efe937e26d2bd541d92362b240ef0559 kernel: /kernel/x86_64-lkp/bc575710efe937e26d2bd541d92362b240ef0559/vmlinuz-3.14.0-rc2-00012-gbc57571 Enqueue job 2 times: /lkp/jobs/bisect/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-bc575710efe937e26d2bd541d92362b240ef0559-1.yaml 2014-02-16 09:17:05 [perf-bisect-test 5884] /lkp/lkp/src/sbin/stats-good-or-bad vmstat.system.cs /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/5abff587f6ba8de0adf41a19c4add6a3a4b37b64/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/b28a960c42fcd9cfc987441fa6d1c1a471f0f9ed/matrix.json /lkp/result/lkp-snb01/micro/will-it-scale/sched_yield/x86_64-lkp/bc575710efe937e26d2bd541d92362b240ef0559/matrix.json bisect GOOD: [1794, 2328, 2328] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] 7511dd0a73aaf2ca4bcd829f991dcd2c839c5417 is the first bad commit commit 7511dd0a73aaf2ca4bcd829f991dcd2c839c5417 Author: Alex Shi AuthorDate: Fri Jan 24 15:17:02 2014 +0800 Commit: Alex Shi CommitDate: Fri Feb 14 15:09:01 2014 +0800 sched: only do load balance on tick_do_timer_cpu that is a central balance. Signed-off-by: Alex Shi kernel/sched/core.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) exit /c/kernel-tests/linear-bisect:274:in `exit' /c/kernel-tests/linear-bisect:274:in `linear_bisect' /c/kernel-tests/linear-bisect:294:in `
' exit /c/kernel-tests/linear-bisect:181:in `exit' /c/kernel-tests/linear-bisect:181:in `recursive_bisect_into' /c/kernel-tests/linear-bisect:210:in `perf_test_merged_branch' /c/kernel-tests/linear-bisect:286:in `block in linear_bisect' /c/kernel-tests/linear-bisect:286:in `each' /c/kernel-tests/linear-bisect:286:in `linear_bisect' /c/kernel-tests/linear-bisect:294:in `
' 2014-02-16 09:17:06 [perf-bisect 98512] validating first bad commit 7511dd0a73aaf2ca4bcd829f991dcd2c839c5417 ... 2014-02-16 09:17:06 [perf-bisect 98512] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:7511dd0a73aaf2ca4bcd829f991dcd2c839c5417 -q validate -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 5 times: /lkp/jobs/validate/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-7511dd0a73aaf2ca4bcd829f991dcd2c839c5417-4.yaml bisect BAD: [4110714, 5373928, 5996496] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] 2014-02-16 09:41:56 [perf-bisect 98512] validating parent commit bc575710efe937e26d2bd541d92362b240ef0559 ... 2014-02-16 09:41:56 [perf-bisect 98512] /lkp/lkp/src/sbin/queue -k linux-devel/devel-hourly-2014021515:bc575710efe937e26d2bd541d92362b240ef0559 -q validate -w 36000 -R0 /lkp/lkp/linux5/.git/job.yaml run: /lkp/lkp/src/filters/iostat run: /lkp/lkp/src/filters/kconfig Enqueue job 5 times: /lkp/jobs/validate/lkp-snb01/will-it-scale-sched_yield-x86_64-lkp-bc575710efe937e26d2bd541d92362b240ef0559-4.yaml bisect GOOD: [1794, 2316, 3578] [2734, 3802, 7773] 1098637.2831603948 [4535025, 5179772, 5188285] 2014-02-16 10:06:47 [perf-bisect 98512] first bad commit validated successfully ==================== PARENT FIRST_BAD KCONFIGS ==================== stats changes plotted at /lkp/bisect-plot/vmstat.system.cs/2014-02-16_10:06:49.png