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2025-06-16 - 15:20
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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 rackdslot3.osadl.org (updated Mon Jun 16, 2025 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191218168,22phc2sys0-21swapper/319:05:023
246282209175,23sleep20-21swapper/219:08:192
245062206173,22sleep10-21swapper/119:06:451
244342201168,22sleep00-21swapper/019:05:520
3238721700,7sleep12505199cyclictest19:25:021
260921530,5sleep32505399cyclictest22:50:333
2014021260,2sleep10-21swapper/120:05:221
136991980,78ptp4l0-21swapper/319:10:003
2505199824,75cyclictest11117-21kworker/1:200:15:281
10532780,7sleep32505399cyclictest21:40:243
25051996112,47cyclictest31117-21kworker/1:121:05:471
184522600,4sleep00-21swapper/020:00:280
69982590,24sleep233-21ksoftirqd/219:40:002
2505199562,52cyclictest11117-21kworker/1:200:10:281
136991560,1ptp4l401ktimersoftd/320:39:393
136991560,1ptp4l401ktimersoftd/300:18:583
2505199474,41cyclictest28979-21kworker/1:021:35:471
25051994310,31cyclictest11117-21kworker/1:200:25:271
136991430,1ptp4l401ktimersoftd/323:51:143
136991420,0ptp4l401ktimersoftd/321:50:043
136991420,0ptp4l401ktimersoftd/321:15:583
136991420,0ptp4l401ktimersoftd/321:15:573
136991410,0ptp4l401ktimersoftd/320:54:283
136991410,0ptp4l401ktimersoftd/320:32:303
2505199395,26cyclictest16272-21kworker/1:220:22:271
25052993827,9cyclictest33-21ksoftirqd/219:24:332
2505199377,29cyclictest11117-21kworker/1:200:34:391
25050993729,5cyclictest9-21ksoftirqd/000:10:010
59298360,3rtkit-daemon26848-21iostat_ios22:35:190
25052993630,4cyclictest33-21ksoftirqd/220:30:012
25051993630,4cyclictest25-21ksoftirqd/120:46:181
25051993615,19cyclictest29648-21perf19:20:001
2505199361,17cyclictest11117-21kworker/1:200:23:591
59298350,2rtkit-daemon0-21swapper/000:25:260
25053993529,4cyclictest41-21ksoftirqd/321:35:073
25053993529,4cyclictest41-21ksoftirqd/320:06:573
25053993529,4cyclictest41-21ksoftirqd/319:16:103
25052993530,3cyclictest33-21ksoftirqd/222:30:012
25052993530,3cyclictest33-21ksoftirqd/220:19:592
25052993529,4cyclictest33-21ksoftirqd/223:38:022
25052993529,4cyclictest33-21ksoftirqd/221:27:502
25052993529,4cyclictest33-21ksoftirqd/219:51:272
2505199355,11cyclictest11117-21kworker/1:200:08:351
2505199353,31cyclictest5333-21kworker/1:119:31:311
25051993529,4cyclictest25-21ksoftirqd/123:46:581
25051993529,4cyclictest25-21ksoftirqd/122:50:391
25051993529,4cyclictest25-21ksoftirqd/122:00:561
25051993529,4cyclictest25-21ksoftirqd/121:20:321
2505199352,15cyclictest16272-21kworker/1:220:16:031
25053993429,3cyclictest41-21ksoftirqd/319:39:363
25053993428,4cyclictest41-21ksoftirqd/323:19:213
25053993428,4cyclictest41-21ksoftirqd/322:26:053
25053993428,4cyclictest41-21ksoftirqd/300:31:213
25052993428,4cyclictest33-21ksoftirqd/221:57:392
25052993428,4cyclictest33-21ksoftirqd/220:22:482
25052993428,4cyclictest33-21ksoftirqd/220:03:312
25052993428,4cyclictest33-21ksoftirqd/200:09:582
25052993427,4cyclictest33-21ksoftirqd/222:10:442
25051993429,3cyclictest25-21ksoftirqd/120:28:131
25051993428,4cyclictest25-21ksoftirqd/122:49:061
25051993428,4cyclictest25-21ksoftirqd/119:40:111
25051993428,4cyclictest25-21ksoftirqd/100:00:421
25051993427,5cyclictest25-21ksoftirqd/121:05:011
25051993427,5cyclictest25-21ksoftirqd/120:42:121
2505199342,29cyclictest30249-21df19:20:151
25050993429,3cyclictest9-21ksoftirqd/022:01:550
25050993428,4cyclictest9-21ksoftirqd/021:11:170
25050993428,4cyclictest9-21ksoftirqd/020:11:550
25050993428,3cyclictest7929-21cron20:50:000
136991340,12ptp4l401ktimersoftd/320:15:273
25053993329,3cyclictest41-21ksoftirqd/323:00:003
25053993329,3cyclictest41-21ksoftirqd/300:10:013
25053993328,3cyclictest41-21ksoftirqd/323:25:343
25053993327,4cyclictest41-21ksoftirqd/322:13:533
25053993327,4cyclictest41-21ksoftirqd/322:09:293
25053993327,4cyclictest41-21ksoftirqd/321:48:253
25053993327,4cyclictest41-21ksoftirqd/321:48:253
25053993327,4cyclictest41-21ksoftirqd/320:10:023
25053993327,4cyclictest41-21ksoftirqd/319:45:593
25052993328,3cyclictest33-21ksoftirqd/222:35:012
25052993328,3cyclictest33-21ksoftirqd/222:01:482
25052993327,4cyclictest33-21ksoftirqd/223:58:362
25052993327,4cyclictest33-21ksoftirqd/223:43:592
25052993327,4cyclictest33-21ksoftirqd/222:37:492
25052993327,4cyclictest33-21ksoftirqd/221:53:392
25052993327,4cyclictest33-21ksoftirqd/221:32:522
25052993327,4cyclictest33-21ksoftirqd/200:16:282
25052993326,5cyclictest33-21ksoftirqd/219:11:072
25051993328,3cyclictest25-21ksoftirqd/123:05:001
25051993328,3cyclictest25-21ksoftirqd/122:11:221
25051993328,3cyclictest25-21ksoftirqd/120:38:471
25051993328,3cyclictest25-21ksoftirqd/119:45:161
25051993327,4cyclictest25-21ksoftirqd/122:55:031
25051993326,5cyclictest25-21ksoftirqd/122:23:061
2505199332,23cyclictest5333-21kworker/1:119:54:111
25050993328,3cyclictest9-21ksoftirqd/022:59:560
25050993328,3cyclictest9-21ksoftirqd/020:15:390
25050993327,4cyclictest9-21ksoftirqd/021:33:300
25050993327,4cyclictest9-21ksoftirqd/021:08:120
136991330,0ptp4l401ktimersoftd/320:50:003
25053993228,3cyclictest41-21ksoftirqd/322:36:503
25053993226,4cyclictest41-21ksoftirqd/323:32:243
25053993226,4cyclictest41-21ksoftirqd/323:24:313
25053993226,4cyclictest41-21ksoftirqd/321:20:063
25053993226,4cyclictest41-21ksoftirqd/321:00:363
25053993226,4cyclictest41-21ksoftirqd/319:31:463
25052993227,3cyclictest33-21ksoftirqd/222:15:522
25052993226,4cyclictest33-21ksoftirqd/223:20:562
25052993226,4cyclictest33-21ksoftirqd/221:11:232
25052993226,4cyclictest33-21ksoftirqd/200:03:492
25052993225,4cyclictest33-21ksoftirqd/220:30:122
25051993227,3cyclictest25-21ksoftirqd/122:33:051
25051993227,3cyclictest25-21ksoftirqd/121:17:181
25051993227,3cyclictest25-21ksoftirqd/121:17:171
25051993227,3cyclictest25-21ksoftirqd/120:03:241
25051993226,4cyclictest25-21ksoftirqd/123:56:451
25051993226,4cyclictest25-21ksoftirqd/123:07:191
25051993226,4cyclictest25-21ksoftirqd/122:38:271
25051993226,4cyclictest25-21ksoftirqd/122:29:391
25051993213,16cyclictest13207-21switchtime22:05:261
25050993227,3cyclictest9-21ksoftirqd/023:11:590
25050993227,3cyclictest9-21ksoftirqd/021:18:550
25050993227,3cyclictest9-21ksoftirqd/021:18:550
25050993226,4cyclictest9-21ksoftirqd/021:46:150
25050993226,4cyclictest9-21ksoftirqd/021:46:150
25050993226,4cyclictest9-21ksoftirqd/020:58:040
25050993226,4cyclictest9-21ksoftirqd/020:40:560
25050993226,4cyclictest9-21ksoftirqd/019:34:400
25050993226,4cyclictest9-21ksoftirqd/000:36:010
25050993225,4cyclictest9-21ksoftirqd/022:49:000
136991320,0ptp4l401ktimersoftd/319:21:363
79802310,4sleep20-21swapper/220:50:002
25053993126,3cyclictest41-21ksoftirqd/323:43:483
25053993125,4cyclictest41-21ksoftirqd/323:06:203
25053993125,4cyclictest41-21ksoftirqd/322:45:353
25053993125,4cyclictest41-21ksoftirqd/321:14:073
25053993125,4cyclictest41-21ksoftirqd/300:04:213
25052993127,2cyclictest33-21ksoftirqd/223:00:282
25052993126,3cyclictest33-21ksoftirqd/223:29:042
25052993126,3cyclictest33-21ksoftirqd/222:48:202
25052993126,3cyclictest33-21ksoftirqd/222:24:042
25052993126,3cyclictest33-21ksoftirqd/221:39:132
25052993126,3cyclictest33-21ksoftirqd/220:14:562
25052993126,3cyclictest33-21ksoftirqd/200:36:432
25052993125,4cyclictest33-21ksoftirqd/223:16:142
25052993125,4cyclictest33-21ksoftirqd/222:54:042
25052993125,4cyclictest33-21ksoftirqd/219:47:422
25052993125,4cyclictest33-21ksoftirqd/219:18:212
25051993125,4cyclictest25-21ksoftirqd/123:33:301
25051993125,4cyclictest25-21ksoftirqd/122:42:481
25051993125,4cyclictest25-21ksoftirqd/121:51:171
25051993125,4cyclictest25-21ksoftirqd/121:25:581
25051993125,4cyclictest25-21ksoftirqd/119:56:031
25051993110,3cyclictest6777-21seq19:37:251
25050993126,3cyclictest9-21ksoftirqd/023:31:370
25050993126,3cyclictest9-21ksoftirqd/022:10:380
25050993125,4cyclictest9-21ksoftirqd/023:56:530
25050993125,4cyclictest9-21ksoftirqd/023:43:250
25050993125,4cyclictest9-21ksoftirqd/023:01:370
25050993125,4cyclictest9-21ksoftirqd/019:27:020
25050993125,4cyclictest9-21ksoftirqd/000:33:240
25053993025,3cyclictest41-21ksoftirqd/323:56:293
25053993025,3cyclictest41-21ksoftirqd/320:04:083
25053993025,3cyclictest41-21ksoftirqd/300:37:493
25053993025,3cyclictest41-21ksoftirqd/300:13:013
25053993024,4cyclictest41-21ksoftirqd/322:43:353
25053993024,4cyclictest41-21ksoftirqd/321:55:533
25053993024,4cyclictest41-21ksoftirqd/319:58:183
25052993024,4cyclictest33-21ksoftirqd/222:06:102
25052993024,4cyclictest33-21ksoftirqd/221:24:462
25052993024,4cyclictest33-21ksoftirqd/219:41:192
25052993024,4cyclictest33-21ksoftirqd/219:31:172
25052993024,4cyclictest33-21ksoftirqd/219:29:212
25052993024,4cyclictest33-21ksoftirqd/200:25:162
2505199303,25cyclictest11117-21kworker/1:200:35:111
25051993025,3cyclictest25-21ksoftirqd/121:42:501
25051993024,4cyclictest25-21ksoftirqd/121:55:111
25051993024,4cyclictest25-21ksoftirqd/121:45:391
25051993024,4cyclictest25-21ksoftirqd/121:45:391
25051993010,3cyclictest9138-21expr20:50:211
25051993010,2cyclictest24257-21grep23:35:341
25050993025,3cyclictest9-21ksoftirqd/021:43:220
25050993025,3cyclictest9-21ksoftirqd/020:52:410
25050993024,4cyclictest9-21ksoftirqd/022:54:220
25050993024,4cyclictest9-21ksoftirqd/021:35:310
25050993024,4cyclictest9-21ksoftirqd/021:20:110
25050993024,4cyclictest9-21ksoftirqd/019:47:400
25050993024,4cyclictest9-21ksoftirqd/000:11:200
136991300,9ptp4l401ktimersoftd/320:40:253
136991300,0ptp4l401ktimersoftd/319:44:333
25053992923,4cyclictest41-21ksoftirqd/323:49:373
25053992923,4cyclictest41-21ksoftirqd/322:34:203
25053992923,4cyclictest41-21ksoftirqd/321:29:533
25053992923,4cyclictest41-21ksoftirqd/320:57:073
25053992922,5cyclictest41-21ksoftirqd/321:33:063
25052992924,3cyclictest33-21ksoftirqd/223:50:162
25052992924,3cyclictest33-21ksoftirqd/223:13:462
25052992924,3cyclictest33-21ksoftirqd/221:44:022
25052992923,4cyclictest33-21ksoftirqd/223:34:322
25052992923,4cyclictest33-21ksoftirqd/220:52:162
25052992923,4cyclictest33-21ksoftirqd/200:21:372
25052992923,3cyclictest33-21ksoftirqd/222:40:102
25052992923,3cyclictest33-21ksoftirqd/221:17:002
25052992923,3cyclictest33-21ksoftirqd/221:17:002
2505199298,3cyclictest10753-21wc20:55:201
25051992923,4cyclictest25-21ksoftirqd/123:42:371
25051992923,4cyclictest25-21ksoftirqd/123:14:211
25051992923,4cyclictest25-21ksoftirqd/122:16:041
25051992923,4cyclictest25-21ksoftirqd/121:11:211
25050992924,3cyclictest9-21ksoftirqd/023:39:270
25050992924,3cyclictest9-21ksoftirqd/023:20:500
25050992924,3cyclictest9-21ksoftirqd/020:24:100
25050992923,4cyclictest9-21ksoftirqd/023:15:360
25050992923,4cyclictest9-21ksoftirqd/022:32:120
25050992923,4cyclictest9-21ksoftirqd/020:08:260
136991290,0ptp4l401ktimersoftd/322:03:413
136991290,0ptp4l401ktimersoftd/321:08:463
25053992823,3cyclictest41-21ksoftirqd/322:20:363
25053992822,4cyclictest41-21ksoftirqd/300:24:353
25052992823,3cyclictest33-21ksoftirqd/221:46:522
25052992823,3cyclictest33-21ksoftirqd/221:46:522
25051992823,3cyclictest25-21ksoftirqd/123:27:591
25051992823,3cyclictest25-21ksoftirqd/123:19:451
25050992823,3cyclictest9-21ksoftirqd/019:42:170
25050992822,4cyclictest9-21ksoftirqd/023:29:000
25050992822,4cyclictest9-21ksoftirqd/023:09:150
25050992822,4cyclictest9-21ksoftirqd/022:23:140
25050992822,4cyclictest9-21ksoftirqd/019:55:340
25050992822,4cyclictest9-21ksoftirqd/019:52:330
25050992822,4cyclictest9-21ksoftirqd/019:22:410
25050992822,4cyclictest9-21ksoftirqd/000:20:430
25050992822,4cyclictest9-21ksoftirqd/000:17:340
136991280,0ptp4l401ktimersoftd/323:14:383
25053992722,3cyclictest41-21ksoftirqd/322:18:533
25053992722,3cyclictest41-21ksoftirqd/320:29:483
25053992720,5cyclictest41-21ksoftirqd/319:29:253
25052992722,3cyclictest33-21ksoftirqd/223:00:012
25052992722,3cyclictest33-21ksoftirqd/220:09:332
25052992721,4cyclictest33-21ksoftirqd/221:04:412
25052992721,4cyclictest33-21ksoftirqd/220:38:452
25052992721,4cyclictest33-21ksoftirqd/200:12:072
25050992722,3cyclictest9-21ksoftirqd/023:49:050
25050992721,4cyclictest9-21ksoftirqd/022:17:560
25050992721,4cyclictest9-21ksoftirqd/000:00:420
136991270,0ptp4l401ktimersoftd/300:25:083
25053992620,4cyclictest41-21ksoftirqd/323:36:453
25052992621,3cyclictest33-21ksoftirqd/223:49:512
25052992621,3cyclictest33-21ksoftirqd/223:07:552
25051992620,4cyclictest25-21ksoftirqd/121:34:161
25051992620,4cyclictest25-21ksoftirqd/120:31:541
25051992620,4cyclictest25-21ksoftirqd/119:12:551
25050992621,3cyclictest9-21ksoftirqd/023:51:480
25050992621,3cyclictest9-21ksoftirqd/022:25:460
25050992621,3cyclictest9-21ksoftirqd/022:09:490
25050992621,3cyclictest9-21ksoftirqd/021:28:290
25050992620,4cyclictest9-21ksoftirqd/019:15:020
25050992619,5cyclictest9-21ksoftirqd/019:35:360
59298250,2rtkit-daemon0-21swapper/022:42:150
59298250,2rtkit-daemon0-21swapper/019:10:100
25052992520,3cyclictest33-21ksoftirqd/221:05:552
25052992520,3cyclictest33-21ksoftirqd/220:44:432
25052992519,4cyclictest33-21ksoftirqd/219:56:492
25051992520,3cyclictest25-21ksoftirqd/120:11:471
25050992519,4cyclictest9-21ksoftirqd/020:32:530
136991250,0ptp4l401ktimersoftd/319:54:023
25053992419,3cyclictest41-21ksoftirqd/320:24:423
25051992419,3cyclictest25-21ksoftirqd/123:24:141
25051992418,4cyclictest25-21ksoftirqd/123:50:191
25050992418,4cyclictest9-21ksoftirqd/021:52:410
136991240,0ptp4l401ktimersoftd/323:00:243
2505299228,12cyclictest12672-21awk21:00:002
25052992217,3cyclictest33-21ksoftirqd/200:30:202
25050992216,4cyclictest9-21ksoftirqd/021:55:450
25050992116,3cyclictest9-21ksoftirqd/020:37:140
2505099201,16cyclictest30338-21sed20:25:280
25050991913,3cyclictest9-21ksoftirqd/021:00:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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