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2023-09-26 - 21:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Tue Sep 26, 2023 12:49:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238629926063,1cyclictest151rcu_preempt11:05:1827
239199917129,125cyclictest0-21swapper/1810:58:3410
239199916929,102cyclictest0-21swapper/1809:45:5310
239199916827,93cyclictest0-21swapper/1809:19:1010
2279911660,151ptp4l0-21swapper/107:05:341
2279911660,151ptp4l0-21swapper/107:05:341
238739915227,73cyclictest0-21swapper/709:24:2029
238409915033,101cyclictest0-21swapper/109:32:151
239199914923,82cyclictest0-21swapper/1810:15:1610
238409914932,103cyclictest0-21swapper/111:04:171
239079914840,98cyclictest0-21swapper/1510:45:277
238739914823,90cyclictest0-21swapper/711:05:2029
238739914822,120cyclictest0-21swapper/709:17:2229
238409914831,110cyclictest0-21swapper/111:57:371
238409914831,110cyclictest0-21swapper/111:57:371
23893991460,86cyclictest0-21swapper/1208:55:194
238739914625,75cyclictest0-21swapper/709:32:2129
238569914628,110cyclictest0-21swapper/407:40:2626
239339914522,70cyclictest151rcu_preempt08:45:0114
238409914427,95cyclictest0-21swapper/110:25:281
238409914427,100cyclictest0-21swapper/112:22:441
238409914427,100cyclictest0-21swapper/112:22:441
23893991430,81cyclictest0-21swapper/1211:05:284
238409914327,80cyclictest0-21swapper/111:23:241
238409914124,116cyclictest0-21swapper/109:26:541
23893991390,85cyclictest0-21swapper/1212:19:274
23893991388,127cyclictest151rcu_preempt11:15:574
2385699138136,1cyclictest151rcu_preempt11:56:3826
2385699138136,1cyclictest151rcu_preempt11:56:3826
239079913712,119cyclictest0-21swapper/1512:33:077
239079913712,119cyclictest0-21swapper/1512:33:077
23840991360,86cyclictest0-21swapper/108:24:231
23910991340,84cyclictest0-21swapper/1611:02:498
23961991330,81cyclictest0-21swapper/2708:50:2720
239109913317,98cyclictest0-21swapper/1611:48:178
238569913328,76cyclictest0-21swapper/410:15:2426
238409913324,66cyclictest0-21swapper/109:20:481
23840991330,86cyclictest0-21swapper/112:04:331
23840991330,86cyclictest0-21swapper/112:04:331
238569913228,84cyclictest0-21swapper/411:50:2826
238569913228,81cyclictest0-21swapper/410:44:1126
238569913228,72cyclictest0-21swapper/409:40:0726
238569913228,67cyclictest0-21swapper/408:50:2426
238569913112,107cyclictest0-21swapper/407:25:2826
239339913068,12cyclictest151rcu_preempt11:54:1214
239109913026,81cyclictest0-21swapper/1609:43:318
238939913014,75cyclictest0-21swapper/1209:05:474
239199912945,58cyclictest0-21swapper/1809:31:5910
239079912922,70cyclictest0-21swapper/1510:58:317
238569912926,90cyclictest0-21swapper/412:20:2626
238569912926,90cyclictest0-21swapper/412:20:2526
239199912846,57cyclictest0-21swapper/1811:20:3110
239199912837,58cyclictest0-21swapper/1809:21:5010
239109912834,80cyclictest0-21swapper/1609:05:008
23893991280,78cyclictest0-21swapper/1209:18:294
239109912734,72cyclictest0-21swapper/1607:50:218
238569912723,68cyclictest0-21swapper/409:19:1626
239199912642,53cyclictest0-21swapper/1811:14:0410
239199912638,56cyclictest0-21swapper/1809:40:3310
239199912636,57cyclictest0-21swapper/1809:14:2210
239199912625,66cyclictest0-21swapper/1809:25:3510
239079912620,84cyclictest0-21swapper/1512:36:527
239079912620,84cyclictest0-21swapper/1512:36:527
23870991261,124cyclictest0-21swapper/612:03:0228
23870991261,124cyclictest0-21swapper/612:03:0228
23870991261,109cyclictest0-21swapper/610:00:3828
238409912622,75cyclictest0-21swapper/112:32:401
238409912622,75cyclictest0-21swapper/112:32:401
239199912547,61cyclictest0-21swapper/1809:35:4410
239199912523,67cyclictest0-21swapper/1812:20:2010
239199912523,67cyclictest0-21swapper/1812:20:2010
23898991250,86cyclictest0-21swapper/1310:40:195
23870991252,96cyclictest0-21swapper/609:22:4328
23870991251,94cyclictest0-21swapper/612:15:2028
23870991251,123cyclictest0-21swapper/609:40:2128
239339912444,41cyclictest151rcu_preempt07:27:0114
23933991240,90cyclictest0-21swapper/2112:09:4214
23933991240,90cyclictest0-21swapper/2112:09:4214
239199912435,56cyclictest0-21swapper/1808:55:3910
239199912434,59cyclictest0-21swapper/1810:02:2610
239199912427,63cyclictest0-21swapper/1807:51:4810
239109912421,72cyclictest0-21swapper/1611:11:258
23898991240,88cyclictest0-21swapper/1310:28:345
23870991241,86cyclictest0-21swapper/610:51:5828
239199912337,57cyclictest0-21swapper/1810:34:3110
239199912327,64cyclictest0-21swapper/1812:26:4510
239199912327,64cyclictest0-21swapper/1812:26:4510
238939912328,93cyclictest151rcu_preempt10:13:404
238739912328,55cyclictest0-21swapper/712:14:4729
238739912328,55cyclictest0-21swapper/712:14:4729
23870991231,114cyclictest0-21swapper/607:50:3428
238409912329,48cyclictest0-21swapper/107:50:301
23933991228,110cyclictest151rcu_preempt12:37:5514
23933991228,110cyclictest151rcu_preempt12:37:5514
239339912210,111cyclictest0-21swapper/2112:11:1814
239339912210,111cyclictest0-21swapper/2112:11:1814
239199912251,62cyclictest0-21swapper/1811:16:4510
239199912228,63cyclictest0-21swapper/1811:00:0210
239199912227,66cyclictest0-21swapper/1812:31:0210
239199912227,66cyclictest0-21swapper/1812:31:0210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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