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2026-09-17 - 13:38
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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
Characteristics of the highest latencies:
System rackaslot0.osadl.org (updated Thu Sep 17, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281212750,0sleep028102-21sshd21:12:450
79592640,0sleep21866-21runrttasks22:32:182
296522630,1sleep00-21swapper/020:00:200
323442610,0sleep20-21swapper/221:45:082
22692580,1sleep32267-21sshd00:16:493
213532580,0sleep028964-21diskmemload21:46:590
188042580,1sleep01866-21runrttasks22:41:590
252022570,1sleep125179-21sshd21:53:091
120862560,1sleep312085-21sshd21:40:203
11512560,1sleep30-21swapper/321:33:353
11512560,1sleep30-21swapper/321:33:353
52062550,0sleep10-21swapper/123:33:151
160572550,1sleep20-21swapper/221:20:202
337625432,18sleep20-21swapper/219:07:042
118892540,0sleep228964-21diskmemload21:54:532
355625328,21sleep30-21swapper/319:09:223
337925330,9sleep00-21swapper/019:07:050
326625331,19sleep10-21swapper/119:05:381
312722530,1sleep131269-21sshd00:36:571
98962520,0sleep09881-21apache_processe21:40:140
276132520,0sleep20-21swapper/222:13:452
251832510,0sleep00-21swapper/022:39:430
40642500,0sleep00-21swapper/023:06:460
271352500,0sleep13873-21cyclictest23:23:341
198302500,0sleep219801-21sshd23:31:362
17342500,0sleep31736-21id23:47:323
119392500,0sleep00-21swapper/021:51:560
94412490,0sleep10-21swapper/121:25:331
242112490,0sleep10-21swapper/100:04:121
242112490,0sleep10-21swapper/100:04:121
215832490,1sleep121558-21sshd00:15:331
210632490,0sleep30-21swapper/323:11:143
135122490,1sleep213499-21sshd00:38:192
187682480,0sleep10-21swapper/123:49:061
204052470,0sleep00-21swapper/000:03:520
204052470,0sleep00-21swapper/000:03:520
130952470,0sleep213096-21bash23:45:342
126742460,0sleep012676-21id22:32:460
235942450,0sleep10-21swapper/123:58:151
152172450,0sleep30-21swapper/323:22:293
256882430,0sleep128964-21diskmemload23:00:021
168722430,0sleep10-21swapper/123:25:261
323032400,0sleep10-21swapper/121:30:291
323032400,0sleep10-21swapper/121:30:291
387599242,22cyclictest24987-21kworker/0:322:11:230
93372220,1sleep30-21swapper/323:39:313
3878992220,1cyclictest0-21swapper/323:02:293
257222220,1sleep125713-21sshd21:24:121
387599218,12cyclictest4619-21kworker/0:000:35:510
387599215,15cyclictest3417-21kworker/0:119:45:160
387899200,1cyclictest11370-21sshd00:14:473
387899200,1cyclictest11370-21sshd00:14:473
3877992018,1cyclictest0-21swapper/223:53:072
387599204,15cyclictest4427-21kworker/0:123:00:170
225192200,0sleep10-21swapper/121:44:151
387599193,13cyclictest3869-21kworker/0:223:30:410
387599193,13cyclictest1247-21kworker/0:123:53:450
387599191,14cyclictest6040-21kworker/0:222:49:270
303292190,5sleep121-21ksoftirqd/121:47:481
110702190,0sleep00-21swapper/023:57:070
387599183,13cyclictest2657-21kworker/0:200:17:250
387599183,12cyclictest26746-21kworker/0:000:22:590
3875991810,7cyclictest4076-21munin-node21:25:210
175762180,1sleep30-21swapper/321:46:373
3878991715,1cyclictest0-21swapper/300:28:533
3878991715,1cyclictest0-21swapper/300:20:583
387599179,7cyclictest0-21swapper/022:04:230
387599179,6cyclictest0-21swapper/021:30:560
387599179,6cyclictest0-21swapper/021:30:560
387599174,12cyclictest3869-21kworker/0:223:15:590
387599173,13cyclictest24987-21kworker/0:321:39:490
387599173,13cyclictest24987-21kworker/0:321:39:480
387599173,12cyclictest3869-21kworker/0:223:20:010
387599173,12cyclictest2657-21kworker/0:200:05:130
387599172,14cyclictest24987-21kworker/0:322:22:170
387599171,14cyclictest26746-21kworker/0:000:12:070
387599171,14cyclictest26746-21kworker/0:000:12:070
387599171,13cyclictest3869-21kworker/0:223:25:170
387599171,13cyclictest30245-21kworker/0:220:31:070
322482170,0sleep20-21swapper/223:18:102
387599168,6cyclictest0-21swapper/022:51:080
387599166,7cyclictest6971-21bash22:08:590
387599164,11cyclictest24987-21kworker/0:322:16:470
387599163,12cyclictest1250-21kworker/0:323:37:490
387599163,11cyclictest10422-21kworker/0:023:10:150
387599162,13cyclictest1247-21kworker/0:123:46:510
387599162,12cyclictest30245-21kworker/0:220:22:350
387599162,12cyclictest1247-21kworker/0:123:44:430
387599161,14cyclictest28608-21kworker/0:221:56:070
387599161,13cyclictest30245-21kworker/0:220:43:350
387599160,14cyclictest8220-21kworker/0:122:29:210
300302160,0sleep10-21swapper/122:08:071
272432160,1sleep30-21swapper/321:05:153
163072160,1sleep116306-21bash22:53:221
3878991514,1cyclictest0-21swapper/321:16:333
387899150,2cyclictest19862-21id00:09:413
387899150,14cyclictest1620-21nfsd21:10:173
387899150,12cyclictest31620-21sshd22:22:513
387899150,12cyclictest0-21swapper/323:41:543
387799150,14cyclictest0-21swapper/223:41:172
387799150,14cyclictest0-21swapper/222:23:292
387699159,5cyclictest0-21swapper/122:35:281
387699150,14cyclictest31084-21sshd23:12:101
387699150,14cyclictest0-21swapper/122:26:201
387599153,9cyclictest19099-21kworker/0:020:55:190
387599153,11cyclictest28768-21kworker/0:121:20:170
387599152,13cyclictest13562-21kworker/0:200:27:150
387599152,12cyclictest27805-21kworker/0:020:05:110
387599150,4cyclictest14308-21sshd22:56:010
387599150,14cyclictest0-21swapper/021:16:420
387599150,13cyclictest19099-21kworker/0:020:49:590
387899149,4cyclictest0-21swapper/323:59:013
387899149,4cyclictest0-21swapper/323:26:463
387899149,2cyclictest0-21swapper/321:57:103
387899148,4cyclictest19880-21sshd22:10:093
387899140,13cyclictest20059-21df20:50:143
387899140,13cyclictest11012-21bash00:00:063
387899140,13cyclictest11012-21bash00:00:063
387899140,13cyclictest0-21swapper/322:53:323
387899140,13cyclictest0-21swapper/322:05:443
387799149,2cyclictest0-21swapper/223:20:282
3877991412,1cyclictest0-21swapper/222:59:132
387799140,1cyclictest12150irq/23-ehci_hcd20:40:192
387799140,13cyclictest26973-21bash22:51:212
387799140,13cyclictest0-21swapper/222:39:292
387799140,13cyclictest0-21swapper/222:00:262
387799140,13cyclictest0-21swapper/221:43:172
387799140,13cyclictest0-21swapper/221:27:192
387799140,13cyclictest0-21swapper/200:30:352
387799140,13cyclictest0-21swapper/200:13:322
387799140,13cyclictest0-21swapper/200:13:322
387699149,2cyclictest0-21swapper/123:42:411
387699148,5cyclictest0-21swapper/123:06:501
387699141,2cyclictest0-21swapper/121:15:071
387699140,2cyclictest6551-21sshd00:23:031
387699140,13cyclictest0-21swapper/123:16:181
387599144,7cyclictest0-21swapper/019:55:150
387599143,11cyclictest3417-21kworker/0:119:16:040
387599143,10cyclictest1013-21kworker/0:100:30:230
387599142,8cyclictest19099-21kworker/0:021:01:510
387599141,13cyclictest19099-21kworker/0:021:09:590
177612140,1sleep317757-21bash22:39:013
387899138,4cyclictest0-21swapper/322:26:593
387899137,5cyclictest0-21swapper/300:30:203
387899131,3cyclictest0-21swapper/323:16:113
387899131,3cyclictest0-21swapper/320:35:143
387899131,11cyclictest0-21swapper/322:45:403
387899130,12cyclictest0-21swapper/323:32:153
387899130,12cyclictest0-21swapper/323:05:073
387899130,12cyclictest0-21swapper/322:59:373
387899130,12cyclictest0-21swapper/322:41:033
387899130,12cyclictest0-21swapper/322:31:463
387899130,12cyclictest0-21swapper/322:16:373
387899130,12cyclictest0-21swapper/321:52:133
387899130,12cyclictest0-21swapper/321:36:253
387899130,12cyclictest0-21swapper/321:36:253
387899130,12cyclictest0-21swapper/321:29:193
387899130,12cyclictest0-21swapper/321:22:063
387899130,12cyclictest0-21swapper/300:37:193
387899130,10cyclictest29207-21sshd23:50:033
3877991311,1cyclictest0-21swapper/223:11:542
387799130,2cyclictest0-21swapper/219:40:012
387799130,12cyclictest4841-21sshd00:28:462
387799130,12cyclictest13482-21bash22:41:292
387799130,12cyclictest0-21swapper/223:55:422
387799130,12cyclictest0-21swapper/223:26:122
387799130,12cyclictest0-21swapper/223:06:592
387799130,12cyclictest0-21swapper/223:00:202
387799130,12cyclictest0-21swapper/222:19:232
387799130,12cyclictest0-21swapper/222:05:552
387799130,12cyclictest0-21swapper/221:55:412
387799130,12cyclictest0-21swapper/221:35:402
387799130,12cyclictest0-21swapper/221:35:402
387799130,12cyclictest0-21swapper/221:32:372
387799130,12cyclictest0-21swapper/221:32:372
387799130,12cyclictest0-21swapper/221:18:172
387799130,12cyclictest0-21swapper/221:11:332
387799130,12cyclictest0-21swapper/200:20:582
387799130,12cyclictest0-21swapper/200:15:072
387799130,12cyclictest0-21swapper/200:00:382
387799130,12cyclictest0-21swapper/200:00:382
387799130,10cyclictest0-21swapper/223:35:072
387699139,1cyclictest0-21swapper/121:59:121
387699137,2cyclictest2651-21sshd21:36:341
387699137,2cyclictest2651-21sshd21:36:341
387699133,9cyclictest21-21ksoftirqd/122:11:451
387699133,1cyclictest21-21ksoftirqd/122:59:541
387699131,9cyclictest126750irq/25-eth022:00:281
3876991311,1cyclictest0-21swapper/100:07:191
387699130,4cyclictest0-21swapper/122:17:091
387699130,4cyclictest0-21swapper/100:30:051
387699130,2cyclictest0-21swapper/123:39:421
387699130,12cyclictest31153-21sshd21:13:021
387699130,12cyclictest1621-21nfsd22:40:061
387699130,12cyclictest0-21swapper/123:51:391
387699130,12cyclictest0-21swapper/122:20:491
387699130,12cyclictest0-21swapper/100:25:401
387699130,12cyclictest0-21swapper/100:12:021
387699130,12cyclictest0-21swapper/100:12:021
387599137,4cyclictest14074-21ls20:35:210
387599134,9cyclictest3417-21kworker/0:119:25:180
387599133,9cyclictest3417-21kworker/0:119:50:100
387599133,9cyclictest19099-21kworker/0:020:51:110
387599133,10cyclictest3417-21kworker/0:119:30:400
387599132,11cyclictest3417-21kworker/0:119:35:180
387599131,11cyclictest0-21swapper/020:10:200
238182130,1sleep20-21swapper/200:07:012
387899129,2cyclictest0-21swapper/320:55:163
387899129,2cyclictest0-21swapper/320:20:143
387899129,2cyclictest0-21swapper/320:10:153
387899129,2cyclictest0-21swapper/320:05:113
387899129,2cyclictest0-21swapper/320:00:123
387899129,2cyclictest0-21swapper/319:50:133
387899129,2cyclictest0-21swapper/319:45:193
387899129,2cyclictest0-21swapper/319:40:113
387899129,2cyclictest0-21swapper/319:30:143
387899121,10cyclictest5180-21sshd22:00:063
387899120,11cyclictest0-21swapper/320:15:173
387799129,2cyclictest0-21swapper/222:26:052
387799129,2cyclictest0-21swapper/221:05:132
387799129,2cyclictest0-21swapper/220:45:122
387799129,2cyclictest0-21swapper/220:30:132
387799129,2cyclictest0-21swapper/219:40:142
387799121,10cyclictest0-21swapper/220:00:192
387799120,11cyclictest21116-21bash22:45:102
387799120,11cyclictest0-21swapper/219:10:142
387699129,2cyclictest0-21swapper/121:00:141
387699129,2cyclictest0-21swapper/120:40:121
387699129,2cyclictest0-21swapper/120:20:141
387699129,2cyclictest0-21swapper/120:15:141
387699129,2cyclictest0-21swapper/119:15:131
387699121,2cyclictest0-21swapper/119:35:171
3876991211,1cyclictest21-21ksoftirqd/122:46:291
387699121,10cyclictest0-21swapper/120:10:181
387699121,10cyclictest0-21swapper/119:40:121
387699121,10cyclictest0-21swapper/119:20:151
387699120,1cyclictest0-21swapper/122:30:361
387699120,1cyclictest0-21swapper/121:05:171
387699120,11cyclictest0-21swapper/119:45:121
387599129,2cyclictest0-21swapper/020:15:150
387599123,9cyclictest3417-21kworker/0:119:20:420
387599123,9cyclictest3417-21kworker/0:119:10:470
387599123,8cyclictest3417-21kworker/0:119:41:520
387599121,2cyclictest0-21swapper/020:25:130
104842120,0sleep10-21swapper/120:30:131
387899118,2cyclictest0-21swapper/320:45:203
387899118,2cyclictest0-21swapper/319:10:153
387899110,2cyclictest0-21swapper/320:40:133
387899110,11cyclictest0-21swapper/319:20:133
387899110,10cyclictest11208-21memory20:30:173
387899110,10cyclictest0-21swapper/320:25:163
387899110,10cyclictest0-21swapper/319:35:203
387899110,10cyclictest0-21swapper/319:25:123
387899110,10cyclictest0-21swapper/319:15:013
387799119,1cyclictest1866-21runrttasks19:51:172
387799119,1cyclictest0-21swapper/221:00:132
387799119,1cyclictest0-21swapper/220:10:142
387799111,9cyclictest0-21swapper/220:55:192
387799111,1cyclictest0-21swapper/219:25:182
387799110,2cyclictest0-21swapper/220:05:132
387799110,2cyclictest0-21swapper/219:30:142
387799110,10cyclictest26380-21diskstats19:55:132
387799110,10cyclictest0-21swapper/220:15:232
387799110,10cyclictest0-21swapper/219:20:132
387699119,1cyclictest13301-21perl20:35:141
387699119,1cyclictest0-21swapper/120:50:151
387699119,1cyclictest0-21swapper/120:45:141
387699110,10cyclictest0-21swapper/120:05:141
387699110,10cyclictest0-21swapper/120:00:171
387699110,10cyclictest0-21swapper/119:50:141
387899100,9cyclictest0-21swapper/319:55:173
387899100,10cyclictest0-21swapper/321:01:253
387799109,1cyclictest0-21swapper/219:47:412
387799108,1cyclictest8819-21memory20:25:182
387799100,9cyclictest19683-21apache_processe20:50:122
387799100,9cyclictest0-21swapper/220:35:122
387799100,9cyclictest0-21swapper/219:15:012
387799100,1cyclictest0-21swapper/220:20:132
387699100,9cyclictest0-21swapper/120:25:111
387699100,9cyclictest0-21swapper/119:30:151
387699100,10cyclictest0-21swapper/119:55:101
387699100,10cyclictest0-21swapper/119:10:141
38769998,1cyclictest0-21swapper/120:55:191
38769990,9cyclictest0-21swapper/119:25:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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