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2025-11-19 - 09:06
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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 rackdslot4.osadl.org (updated Wed Nov 19, 2025 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1587023040,51sleep30-21swapper/319:09:523
1587023040,51sleep30-21swapper/319:09:513
1436322910,4sleep20-21swapper/219:07:482
1436322910,4sleep20-21swapper/219:07:472
159322280,8sleep01648-21sort19:09:220
159322280,8sleep01648-21sort19:09:220
2698322080,5sleep126985-21sort19:06:131
2698322080,5sleep126985-21sort19:06:121
336821570,3sleep12207899cyclictest23:10:221
427291630,1ptp4l401ktimersoftd/320:50:163
67532620,2sleep20-21swapper/223:15:242
43252610,2sleep00-21swapper/000:15:230
427291600,1ptp4l401ktimersoftd/300:19:403
427291560,1ptp4l401ktimersoftd/322:40:243
427291560,1ptp4l401ktimersoftd/321:39:533
217812560,3sleep02207799cyclictest19:25:270
427291540,1ptp4l401ktimersoftd/323:09:443
317552540,2sleep20-21swapper/219:10:162
58902490,2sleep10-21swapper/100:20:141
427291480,4ptp4l26254-21irqstats22:50:203
22080994840,5cyclictest20045-21dump-pmu-power20:30:002
427291460,1ptp4l401ktimersoftd/323:17:223
22081994540,3cyclictest41-21ksoftirqd/323:40:003
22081994539,4cyclictest41-21ksoftirqd/319:24:593
427291440,0ptp4l401ktimersoftd/319:44:043
22081994439,3cyclictest1264-21snmpd19:10:283
2208099440,42cyclictest0-21swapper/223:20:272
427291430,0ptp4l401ktimersoftd/322:32:543
427091430,1getstats0-21swapper/320:12:083
22081994338,3cyclictest41-21ksoftirqd/319:49:593
22081994332,9cyclictest41-21ksoftirqd/321:40:293
22081994238,3cyclictest41-21ksoftirqd/320:00:013
22081994238,3cyclictest41-21ksoftirqd/320:00:003
22080994237,3cyclictest28631-1kworker/2:0H20:55:012
22077994236,4cyclictest14816-21sshd20:16:510
22081994130,9cyclictest41-21ksoftirqd/321:05:293
22081994037,2cyclictest41-21ksoftirqd/321:00:003
22081994035,3cyclictest41-21ksoftirqd/321:55:003
22081994034,4cyclictest41-21ksoftirqd/319:26:113
22078994034,4cyclictest25-21ksoftirqd/123:47:331
22078994034,4cyclictest25-21ksoftirqd/122:43:261
22078994034,4cyclictest25-21ksoftirqd/120:10:371
22078994034,4cyclictest25-21ksoftirqd/119:10:231
22081993934,3cyclictest41-21ksoftirqd/323:55:163
22081993934,3cyclictest41-21ksoftirqd/323:45:013
22081993934,3cyclictest41-21ksoftirqd/300:25:003
22081993934,3cyclictest17438-21sh19:19:593
22081993933,4cyclictest41-21ksoftirqd/323:14:013
22081993933,4cyclictest41-21ksoftirqd/321:46:553
22081993933,4cyclictest41-21ksoftirqd/321:29:463
22081993933,4cyclictest41-21ksoftirqd/319:51:453
22081993933,4cyclictest41-21ksoftirqd/300:26:223
22081993933,3cyclictest41-21ksoftirqd/323:05:003
22080993931,6cyclictest33-21ksoftirqd/220:16:522
22078993933,4cyclictest25-21ksoftirqd/122:09:361
22078993933,4cyclictest25-21ksoftirqd/121:11:361
22078993933,4cyclictest25-21ksoftirqd/121:04:291
22078993933,4cyclictest25-21ksoftirqd/120:46:071
22078993933,4cyclictest25-21ksoftirqd/120:28:181
22078993932,4cyclictest25-21ksoftirqd/100:17:011
427291380,0ptp4l401ktimersoftd/320:05:243
36998380,5rtkit-daemon0-21swapper/020:49:210
22081993833,3cyclictest41-21ksoftirqd/322:05:213
22081993833,3cyclictest41-21ksoftirqd/300:10:003
22081993832,4cyclictest41-21ksoftirqd/322:11:303
22081993831,5cyclictest41-21ksoftirqd/321:02:103
22081993827,9cyclictest41-21ksoftirqd/320:00:313
22080993831,4cyclictest33-21ksoftirqd/222:56:582
2208099380,36cyclictest0-21swapper/223:00:272
22078993832,4cyclictest25-21ksoftirqd/120:39:301
22078993832,4cyclictest25-21ksoftirqd/119:47:301
22078993832,4cyclictest25-21ksoftirqd/119:28:301
22078993832,3cyclictest15493-21cron00:40:001
22077993833,3cyclictest9-21ksoftirqd/023:35:140
22077993832,4cyclictest9-21ksoftirqd/023:28:260
22077993832,4cyclictest9-21ksoftirqd/022:30:130
22077993832,4cyclictest9-21ksoftirqd/022:24:130
22077993831,4cyclictest9-21ksoftirqd/023:12:410
22081993732,3cyclictest41-21ksoftirqd/300:30:513
22081993732,3cyclictest41-21ksoftirqd/300:30:513
22081993731,4cyclictest41-21ksoftirqd/319:33:013
22081993731,4cyclictest22677-21cron23:50:003
22081993726,9cyclictest41-21ksoftirqd/322:35:223
22081993726,9cyclictest41-21ksoftirqd/320:35:273
22080993732,3cyclictest33-21ksoftirqd/221:24:092
22080993731,4cyclictest33-21ksoftirqd/223:12:192
22080993731,4cyclictest33-21ksoftirqd/221:07:232
22080993731,4cyclictest33-21ksoftirqd/219:56:192
22080993731,4cyclictest33-21ksoftirqd/219:56:182
22080993718,3cyclictest33-21ksoftirqd/223:49:052
2208099370,35cyclictest0-21swapper/223:41:272
22078993731,4cyclictest25-21ksoftirqd/122:29:061
22078993731,4cyclictest25-21ksoftirqd/122:18:221
22078993731,4cyclictest25-21ksoftirqd/121:17:171
22078993731,4cyclictest25-21ksoftirqd/120:32:361
22078993730,4cyclictest25-21ksoftirqd/123:51:261
22078993730,4cyclictest25-21ksoftirqd/122:35:001
22077993731,4cyclictest9-21ksoftirqd/021:29:080
22077993731,4cyclictest9-21ksoftirqd/021:04:320
22077993731,4cyclictest9-21ksoftirqd/019:54:160
22077993731,4cyclictest9-21ksoftirqd/019:48:380
22077993731,4cyclictest9-21ksoftirqd/000:03:240
22077993716,4cyclictest22520-21sh20:35:000
36998360,3rtkit-daemon464-21df19:50:151
36998360,2rtkit-daemon0-21swapper/121:28:181
22081993632,2cyclictest41-21ksoftirqd/323:50:193
22081993631,3cyclictest41-21ksoftirqd/322:25:003
22081993631,3cyclictest41-21ksoftirqd/320:47:183
22081993631,3cyclictest41-21ksoftirqd/320:25:203
22081993630,4cyclictest41-21ksoftirqd/322:17:003
22081993630,4cyclictest41-21ksoftirqd/321:31:353
22081993630,4cyclictest41-21ksoftirqd/321:19:473
22081993630,4cyclictest41-21ksoftirqd/320:30:143
22081993630,4cyclictest41-21ksoftirqd/319:35:463
22081993627,7cyclictest41-21ksoftirqd/322:00:223
22080993630,4cyclictest33-21ksoftirqd/221:13:202
22080993630,4cyclictest33-21ksoftirqd/219:43:102
22080993630,4cyclictest33-21ksoftirqd/200:08:322
22078993631,3cyclictest25-21ksoftirqd/123:57:351
22078993631,3cyclictest25-21ksoftirqd/122:46:151
22078993630,4cyclictest25-21ksoftirqd/121:50:421
22078993630,3cyclictest25-21ksoftirqd/120:08:531
22078993628,6cyclictest25-21ksoftirqd/123:29:071
22077993631,3cyclictest9-21ksoftirqd/000:09:020
22077993630,4cyclictest9-21ksoftirqd/022:06:230
22077993630,4cyclictest9-21ksoftirqd/021:42:150
22077993630,4cyclictest9-21ksoftirqd/020:52:330
22077993630,4cyclictest9-21ksoftirqd/019:55:410
22077993630,4cyclictest9-21ksoftirqd/019:55:410
22077993629,4cyclictest9-21ksoftirqd/020:26:210
22081993531,2cyclictest41-21ksoftirqd/300:00:213
22081993530,3cyclictest41-21ksoftirqd/322:45:173
22081993530,3cyclictest41-21ksoftirqd/320:42:323
22081993530,3cyclictest41-21ksoftirqd/300:38:063
22081993529,4cyclictest41-21ksoftirqd/322:58:333
22081993529,4cyclictest41-21ksoftirqd/322:28:403
22080993530,3cyclictest33-21ksoftirqd/223:39:472
22080993530,3cyclictest33-21ksoftirqd/200:14:082
22080993529,4cyclictest33-21ksoftirqd/222:38:062
22080993529,4cyclictest33-21ksoftirqd/222:33:362
22080993529,3cyclictest33-21ksoftirqd/200:00:052
2208099350,34cyclictest0-21swapper/223:05:272
22078993529,4cyclictest25-21ksoftirqd/122:55:381
22078993529,4cyclictest25-21ksoftirqd/100:33:141
22078993529,4cyclictest25-21ksoftirqd/100:33:131
22078993529,3cyclictest25-21ksoftirqd/119:16:001
22077993530,3cyclictest9-21ksoftirqd/020:01:470
22077993529,4cyclictest9-21ksoftirqd/022:51:510
22077993529,4cyclictest9-21ksoftirqd/021:51:420
22077993529,4cyclictest9-21ksoftirqd/021:11:580
22077993529,3cyclictest9-21ksoftirqd/023:33:360
22077993529,3cyclictest9-21ksoftirqd/019:23:230
22081993431,2cyclictest41-21ksoftirqd/300:15:013
22081993430,3cyclictest41-21ksoftirqd/320:15:223
22081993429,3cyclictest41-21ksoftirqd/323:30:173
22081993429,3cyclictest41-21ksoftirqd/323:30:003
22081993429,3cyclictest41-21ksoftirqd/323:25:003
22081993428,4cyclictest41-21ksoftirqd/321:14:033
22081993428,4cyclictest41-21ksoftirqd/320:20:463
22080993429,3cyclictest33-21ksoftirqd/219:51:452
22080993428,4cyclictest33-21ksoftirqd/222:15:472
22080993428,4cyclictest33-21ksoftirqd/220:57:002
22080993428,4cyclictest33-21ksoftirqd/219:37:122
22080993428,4cyclictest33-21ksoftirqd/219:21:412
22080993428,4cyclictest33-21ksoftirqd/219:19:442
22080993428,4cyclictest33-21ksoftirqd/200:38:052
2208099340,3cyclictest24754-1kworker/2:1H00:00:012
22078993429,3cyclictest25-21ksoftirqd/123:30:331
22078993429,3cyclictest25-21ksoftirqd/123:03:001
22078993429,3cyclictest25-21ksoftirqd/121:43:171
22078993429,3cyclictest25-21ksoftirqd/121:08:191
22078993429,3cyclictest25-21ksoftirqd/120:03:361
22078993429,3cyclictest25-21ksoftirqd/119:40:121
22078993428,4cyclictest25-21ksoftirqd/123:37:141
22078993428,4cyclictest25-21ksoftirqd/121:23:461
22078993428,4cyclictest25-21ksoftirqd/100:28:291
22078993428,3cyclictest25-21ksoftirqd/122:03:221
22077993429,3cyclictest9-21ksoftirqd/022:35:550
22077993429,3cyclictest9-21ksoftirqd/021:35:410
22077993428,4cyclictest9-21ksoftirqd/021:19:040
22077993428,4cyclictest9-21ksoftirqd/020:55:420
22077993428,4cyclictest9-21ksoftirqd/000:34:130
22077993428,4cyclictest9-21ksoftirqd/000:34:130
22077993428,3cyclictest9-21ksoftirqd/023:05:070
22077993428,3cyclictest9-21ksoftirqd/019:11:280
22077993416,4cyclictest23120-21df20:35:160
22081993328,3cyclictest41-21ksoftirqd/321:57:223
22081993328,3cyclictest41-21ksoftirqd/321:20:143
22080993328,3cyclictest33-21ksoftirqd/221:48:512
22080993328,3cyclictest33-21ksoftirqd/220:41:312
22080993328,3cyclictest33-21ksoftirqd/220:23:002
22080993327,4cyclictest33-21ksoftirqd/222:48:162
22080993327,4cyclictest33-21ksoftirqd/222:25:092
22080993327,4cyclictest33-21ksoftirqd/221:54:122
22080993327,4cyclictest33-21ksoftirqd/200:29:542
22080993327,3cyclictest33-21ksoftirqd/221:34:212
22078993328,3cyclictest25-21ksoftirqd/119:39:481
22078993327,4cyclictest25-21ksoftirqd/122:22:091
22078993327,4cyclictest25-21ksoftirqd/122:11:321
22078993327,4cyclictest25-21ksoftirqd/121:57:111
22077993328,3cyclictest9-21ksoftirqd/022:56:570
22077993328,3cyclictest9-21ksoftirqd/019:37:020
22077993327,4cyclictest9-21ksoftirqd/023:54:380
22077993327,4cyclictest9-21ksoftirqd/021:48:130
22077993327,4cyclictest9-21ksoftirqd/000:38:030
22077993327,3cyclictest9-21ksoftirqd/023:46:390
22080993227,3cyclictest33-21ksoftirqd/223:26:582
22080993227,3cyclictest33-21ksoftirqd/222:54:382
22080993227,3cyclictest33-21ksoftirqd/220:00:432
22080993227,3cyclictest33-21ksoftirqd/219:48:432
22080993226,4cyclictest33-21ksoftirqd/222:01:402
22080993226,4cyclictest33-21ksoftirqd/220:30:322
22080993226,4cyclictest33-21ksoftirqd/220:07:292
22080993226,4cyclictest33-21ksoftirqd/200:16:182
22080993225,5cyclictest33-21ksoftirqd/222:45:012
22080993225,4cyclictest33-21ksoftirqd/221:15:582
22078993228,3cyclictest25-21ksoftirqd/120:18:051
22078993226,4cyclictest25-21ksoftirqd/123:09:091
22078993226,4cyclictest25-21ksoftirqd/121:35:461
22078993226,4cyclictest25-21ksoftirqd/121:33:531
22078993226,4cyclictest25-21ksoftirqd/119:20:101
22078993226,3cyclictest25-21ksoftirqd/123:40:271
22077993227,3cyclictest9-21ksoftirqd/020:12:530
22077993226,4cyclictest9-21ksoftirqd/021:56:350
22077993226,3cyclictest9-21ksoftirqd/023:57:030
22077993226,3cyclictest9-21ksoftirqd/022:29:130
22077993226,3cyclictest9-21ksoftirqd/000:20:330
22077993215,3cyclictest8569-21fschecks_time23:20:170
22080993126,3cyclictest33-21ksoftirqd/222:09:252
22080993126,3cyclictest33-21ksoftirqd/221:42:092
22080993125,4cyclictest33-21ksoftirqd/222:11:292
22080993125,4cyclictest33-21ksoftirqd/221:29:062
22080993125,4cyclictest33-21ksoftirqd/221:01:052
22078993126,3cyclictest25-21ksoftirqd/123:20:441
22077993126,3cyclictest9-21ksoftirqd/023:15:370
22077993126,3cyclictest9-21ksoftirqd/021:30:030
22077993126,3cyclictest9-21ksoftirqd/020:08:390
22077993126,3cyclictest9-21ksoftirqd/000:27:150
22077993125,4cyclictest9-21ksoftirqd/023:40:100
22077993125,4cyclictest9-21ksoftirqd/022:42:260
22077993125,4cyclictest9-21ksoftirqd/021:20:330
22077993125,4cyclictest9-21ksoftirqd/021:06:560
22077993124,4cyclictest9-21ksoftirqd/023:03:190
22080993025,3cyclictest33-21ksoftirqd/220:48:422
22080993025,3cyclictest33-21ksoftirqd/219:30:382
22080993025,3cyclictest33-21ksoftirqd/200:31:432
22080993025,3cyclictest33-21ksoftirqd/200:31:432
22080993024,4cyclictest33-21ksoftirqd/200:23:282
22077993025,3cyclictest9-21ksoftirqd/022:13:390
22080992924,3cyclictest33-21ksoftirqd/219:26:212
22080992923,4cyclictest33-21ksoftirqd/223:54:122
22078992924,3cyclictest25-21ksoftirqd/123:15:031
22078992923,3cyclictest25-21ksoftirqd/120:42:201
22077992923,4cyclictest9-21ksoftirqd/022:46:460
22078992824,3cyclictest25-21ksoftirqd/122:38:291
22078992823,3cyclictest25-21ksoftirqd/120:23:391
22078992823,3cyclictest25-21ksoftirqd/119:59:301
22078992823,3cyclictest25-21ksoftirqd/119:59:301
22078992822,4cyclictest25-21ksoftirqd/121:48:181
22077992823,3cyclictest9-21ksoftirqd/022:04:170
22077992823,3cyclictest9-21ksoftirqd/019:15:570
22077992822,4cyclictest9-21ksoftirqd/019:44:520
22080992722,3cyclictest33-21ksoftirqd/221:57:322
22080992722,3cyclictest33-21ksoftirqd/221:35:122
22080992722,3cyclictest33-21ksoftirqd/220:11:402
22080992721,4cyclictest33-21ksoftirqd/223:34:222
22078992723,3cyclictest25-21ksoftirqd/120:56:591
22077992722,3cyclictest9-21ksoftirqd/020:21:060
22077992721,4cyclictest9-21ksoftirqd/020:42:210
22080992621,3cyclictest33-21ksoftirqd/220:38:482
2208099261,23cyclictest0-21swapper/222:20:232
22078992621,3cyclictest25-21ksoftirqd/120:50:171
22078992621,3cyclictest25-21ksoftirqd/119:33:571
22077992621,3cyclictest9-21ksoftirqd/000:14:440
22078992519,4cyclictest25-21ksoftirqd/100:07:431
22077992519,4cyclictest9-21ksoftirqd/022:19:250
22078992419,3cyclictest25-21ksoftirqd/100:10:521
22078992418,4cyclictest25-21ksoftirqd/100:04:381
22077992216,4cyclictest9-21ksoftirqd/019:30:400
22078992015,3cyclictest25-21ksoftirqd/122:54:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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