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2026-07-18 - 11:00
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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 Sat Jul 18, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290402204170,23sleep30-21swapper/319:08:163
290232204172,21sleep10-21swapper/119:08:021
288972204171,22sleep00-21swapper/019:06:230
288812204170,23sleep20-21swapper/219:06:172
57898890,68rtkit-daemon0-21swapper/019:10:000
307892560,2sleep30-21swapper/321:25:223
1394915336,9phc2sys0-21swapper/319:10:013
57898450,8rtkit-daemon0-21swapper/020:05:150
139391450,0ptp4l401ktimersoftd/319:27:133
139391430,0ptp4l401ktimersoftd/320:50:303
139391430,0ptp4l401ktimersoftd/319:32:113
57898410,2rtkit-daemon0-21swapper/019:40:460
139391410,0ptp4l401ktimersoftd/322:28:383
139391410,0ptp4l401ktimersoftd/320:25:203
139391400,0ptp4l401ktimersoftd/320:00:323
29468993832,4cyclictest41-21ksoftirqd/319:51:443
29468993832,3cyclictest41-21ksoftirqd/321:55:143
29468993730,4cyclictest17004-21irqrtprio22:05:163
29468993631,3cyclictest41-21ksoftirqd/323:07:043
29468993630,4cyclictest41-21ksoftirqd/323:15:513
29467993630,4cyclictest33-21ksoftirqd/223:37:002
29467993629,4cyclictest33-21ksoftirqd/222:36:232
29467993629,4cyclictest33-21ksoftirqd/220:22:472
29466993630,4cyclictest25-21ksoftirqd/123:33:011
29466993630,4cyclictest25-21ksoftirqd/123:17:421
29466993630,4cyclictest25-21ksoftirqd/123:07:541
29466993630,4cyclictest25-21ksoftirqd/121:33:551
29466993630,4cyclictest25-21ksoftirqd/120:26:561
29466993630,4cyclictest25-21ksoftirqd/100:10:321
29466993629,5cyclictest25-21ksoftirqd/122:00:551
29466993629,5cyclictest25-21ksoftirqd/119:48:291
139391360,0ptp4l401ktimersoftd/323:30:043
139391360,0ptp4l401ktimersoftd/300:38:133
57898350,2rtkit-daemon0-21swapper/120:35:121
29468993530,3cyclictest41-21ksoftirqd/320:30:323
29468993530,3cyclictest41-21ksoftirqd/320:00:013
29468993529,4cyclictest41-21ksoftirqd/323:26:213
29468993529,4cyclictest41-21ksoftirqd/322:23:193
29468993529,4cyclictest41-21ksoftirqd/320:39:173
29468993529,4cyclictest41-21ksoftirqd/300:10:243
29467993530,3cyclictest33-21ksoftirqd/223:25:122
29467993530,3cyclictest33-21ksoftirqd/222:30:552
29467993529,4cyclictest33-21ksoftirqd/223:41:332
29467993529,4cyclictest33-21ksoftirqd/222:58:562
29467993529,4cyclictest33-21ksoftirqd/221:56:512
29467993529,4cyclictest33-21ksoftirqd/219:39:112
29467993529,4cyclictest33-21ksoftirqd/200:31:472
29466993529,4cyclictest25-21ksoftirqd/123:39:071
29466993529,4cyclictest25-21ksoftirqd/123:24:201
29466993529,4cyclictest25-21ksoftirqd/122:56:031
29466993529,4cyclictest25-21ksoftirqd/122:37:091
29466993529,4cyclictest25-21ksoftirqd/121:21:111
29466993529,4cyclictest25-21ksoftirqd/100:20:071
29465993530,3cyclictest9-21ksoftirqd/023:25:120
29465993530,3cyclictest9-21ksoftirqd/020:30:090
29465993528,4cyclictest9-21ksoftirqd/022:19:110
29468993429,3cyclictest41-21ksoftirqd/322:11:123
29468993429,3cyclictest41-21ksoftirqd/320:55:123
29468993429,3cyclictest41-21ksoftirqd/300:07:293
29468993428,4cyclictest41-21ksoftirqd/321:45:403
29468993428,4cyclictest41-21ksoftirqd/300:31:483
29467993429,3cyclictest33-21ksoftirqd/221:44:302
29467993429,3cyclictest33-21ksoftirqd/221:20:132
29467993429,3cyclictest33-21ksoftirqd/219:33:592
29467993429,3cyclictest33-21ksoftirqd/219:13:192
29467993428,4cyclictest33-21ksoftirqd/223:17:502
29467993428,4cyclictest33-21ksoftirqd/221:32:082
29467993428,4cyclictest33-21ksoftirqd/221:14:302
29467993428,4cyclictest33-21ksoftirqd/221:14:302
29467993428,4cyclictest33-21ksoftirqd/219:55:592
29467993428,4cyclictest33-21ksoftirqd/200:18:562
29467993428,3cyclictest33-21ksoftirqd/200:08:122
29466993429,3cyclictest25-21ksoftirqd/119:35:111
29466993429,3cyclictest25-21ksoftirqd/100:08:251
29466993428,4cyclictest25-21ksoftirqd/122:53:551
29466993428,4cyclictest25-21ksoftirqd/120:52:591
29466993428,4cyclictest25-21ksoftirqd/120:49:261
29466993428,4cyclictest25-21ksoftirqd/120:40:551
29465993428,4cyclictest9-21ksoftirqd/021:34:190
29465993428,4cyclictest9-21ksoftirqd/021:10:390
29465993428,4cyclictest9-21ksoftirqd/021:10:390
29465993428,4cyclictest9-21ksoftirqd/019:56:340
29465993428,4cyclictest9-21ksoftirqd/000:16:330
29468993328,3cyclictest41-21ksoftirqd/323:51:173
29468993328,3cyclictest41-21ksoftirqd/320:24:273
29468993327,4cyclictest41-21ksoftirqd/321:06:503
29468993327,4cyclictest41-21ksoftirqd/319:38:163
29468993327,4cyclictest41-21ksoftirqd/300:21:543
29467993328,3cyclictest33-21ksoftirqd/222:11:372
29467993328,3cyclictest33-21ksoftirqd/221:48:222
29467993327,4cyclictest33-21ksoftirqd/223:11:122
29467993327,4cyclictest33-21ksoftirqd/220:26:442
29467993327,4cyclictest33-21ksoftirqd/219:24:472
29467993327,4cyclictest33-21ksoftirqd/219:19:262
29467993326,5cyclictest33-21ksoftirqd/221:07:122
29466993328,3cyclictest25-21ksoftirqd/123:46:451
29466993328,3cyclictest25-21ksoftirqd/120:07:181
29466993327,4cyclictest25-21ksoftirqd/123:55:041
29466993327,4cyclictest25-21ksoftirqd/121:41:581
29466993327,4cyclictest25-21ksoftirqd/100:01:181
29466993327,3cyclictest25-21ksoftirqd/122:19:141
29466993327,3cyclictest25-21ksoftirqd/121:05:101
29465993328,3cyclictest9-21ksoftirqd/022:09:560
29465993328,3cyclictest9-21ksoftirqd/021:55:120
29465993327,4cyclictest9-21ksoftirqd/022:54:450
29465993327,4cyclictest9-21ksoftirqd/021:52:030
29465993327,4cyclictest9-21ksoftirqd/021:46:500
29465993327,4cyclictest9-21ksoftirqd/021:21:350
29465993327,4cyclictest9-21ksoftirqd/020:40:590
29465993326,5cyclictest9-21ksoftirqd/020:01:390
29465993325,5cyclictest9-21ksoftirqd/000:15:000
139391330,1ptp4l401ktimersoftd/323:20:273
29468993228,3cyclictest41-21ksoftirqd/321:50:203
29468993227,3cyclictest41-21ksoftirqd/322:30:543
29468993227,3cyclictest41-21ksoftirqd/320:16:303
29468993227,3cyclictest41-21ksoftirqd/319:41:303
29468993226,4cyclictest41-21ksoftirqd/323:12:013
29468993226,4cyclictest41-21ksoftirqd/321:35:303
29468993226,4cyclictest41-21ksoftirqd/321:13:083
29468993226,4cyclictest41-21ksoftirqd/321:13:073
29468993226,4cyclictest41-21ksoftirqd/321:04:133
29468993226,4cyclictest41-21ksoftirqd/320:06:193
29468993225,4cyclictest41-21ksoftirqd/322:46:593
29467993227,3cyclictest33-21ksoftirqd/220:45:122
29467993227,3cyclictest33-21ksoftirqd/220:34:262
29467993227,3cyclictest33-21ksoftirqd/200:36:352
29467993227,3cyclictest33-21ksoftirqd/200:14:092
29467993226,4cyclictest33-21ksoftirqd/222:20:572
29467993226,4cyclictest33-21ksoftirqd/222:01:292
29467993226,4cyclictest33-21ksoftirqd/221:35:522
29467993226,4cyclictest33-21ksoftirqd/220:03:052
29466993226,4cyclictest25-21ksoftirqd/123:52:271
29466993226,4cyclictest25-21ksoftirqd/121:48:001
29466993226,4cyclictest25-21ksoftirqd/121:26:131
29466993226,4cyclictest25-21ksoftirqd/121:15:291
29466993226,4cyclictest25-21ksoftirqd/119:13:111
29466993226,4cyclictest25-21ksoftirqd/100:36:321
29466993226,3cyclictest25-21ksoftirqd/119:52:291
29465993227,4cyclictest9-21ksoftirqd/023:12:050
29465993227,3cyclictest9-21ksoftirqd/019:32:230
29465993227,3cyclictest9-21ksoftirqd/019:25:050
29465993226,4cyclictest9-21ksoftirqd/023:37:420
29465993226,4cyclictest9-21ksoftirqd/023:24:220
29465993226,4cyclictest9-21ksoftirqd/021:07:220
29465993226,4cyclictest9-21ksoftirqd/019:23:290
29465993225,5cyclictest9-21ksoftirqd/019:36:170
139391320,0ptp4l401ktimersoftd/319:46:203
29468993126,3cyclictest41-21ksoftirqd/323:40:293
29468993126,3cyclictest41-21ksoftirqd/322:58:063
29468993126,3cyclictest41-21ksoftirqd/319:22:163
29468993125,4cyclictest41-21ksoftirqd/322:19:593
29468993125,3cyclictest41-21ksoftirqd/321:17:413
29468993124,5cyclictest41-21ksoftirqd/319:16:013
29467993126,3cyclictest33-21ksoftirqd/220:36:292
29467993125,4cyclictest33-21ksoftirqd/223:53:292
29467993125,4cyclictest33-21ksoftirqd/223:46:352
29467993125,4cyclictest33-21ksoftirqd/223:08:042
29467993125,4cyclictest33-21ksoftirqd/222:43:082
29467993125,4cyclictest33-21ksoftirqd/220:54:452
29467993125,4cyclictest33-21ksoftirqd/219:44:322
29466993125,4cyclictest25-21ksoftirqd/123:40:521
29466993125,4cyclictest25-21ksoftirqd/121:12:251
29466993125,4cyclictest25-21ksoftirqd/121:12:241
29466993125,4cyclictest25-21ksoftirqd/120:10:471
29466993125,4cyclictest25-21ksoftirqd/119:22:491
29466993125,4cyclictest25-21ksoftirqd/119:15:111
29465993126,3cyclictest9-21ksoftirqd/000:25:360
29465993125,4cyclictest9-21ksoftirqd/023:53:230
29465993125,4cyclictest9-21ksoftirqd/023:34:530
29465993125,4cyclictest9-21ksoftirqd/020:54:230
139391310,0ptp4l401ktimersoftd/322:42:583
29468993026,2cyclictest41-21ksoftirqd/300:05:003
29468993026,2cyclictest139391ptp4l20:10:363
29468993025,3cyclictest41-21ksoftirqd/323:48:523
29468993025,3cyclictest41-21ksoftirqd/323:35:163
29468993025,3cyclictest41-21ksoftirqd/321:33:273
29468993025,3cyclictest41-21ksoftirqd/320:47:303
29467993025,3cyclictest33-21ksoftirqd/221:25:412
29467993024,3cyclictest33-21ksoftirqd/220:13:592
29466993025,3cyclictest25-21ksoftirqd/122:25:571
29466993025,3cyclictest25-21ksoftirqd/121:56:491
29466993025,3cyclictest25-21ksoftirqd/121:39:311
29466993025,3cyclictest25-21ksoftirqd/120:23:101
29466993024,4cyclictest25-21ksoftirqd/123:03:291
29466993024,4cyclictest25-21ksoftirqd/122:44:151
29466993024,4cyclictest25-21ksoftirqd/120:30:051
29466993024,4cyclictest25-21ksoftirqd/119:43:401
29465993025,3cyclictest9-21ksoftirqd/022:25:000
29465993025,3cyclictest9-21ksoftirqd/021:03:450
29465993025,3cyclictest9-21ksoftirqd/000:33:020
29465993025,3cyclictest9-21ksoftirqd/000:07:220
29465993024,4cyclictest9-21ksoftirqd/019:50:560
29465993024,4cyclictest9-21ksoftirqd/019:20:010
29465993024,4cyclictest9-21ksoftirqd/000:39:560
139391300,8ptp4l401ktimersoftd/320:41:493
29468992924,3cyclictest41-21ksoftirqd/322:35:403
29468992924,3cyclictest41-21ksoftirqd/321:44:433
29468992923,4cyclictest41-21ksoftirqd/323:02:063
29467992924,3cyclictest33-21ksoftirqd/223:00:522
29467992924,3cyclictest33-21ksoftirqd/222:16:272
29467992924,3cyclictest33-21ksoftirqd/220:05:112
29467992924,3cyclictest33-21ksoftirqd/219:46:162
29467992923,4cyclictest33-21ksoftirqd/222:47:532
29467992923,4cyclictest33-21ksoftirqd/221:01:182
29466992924,3cyclictest25-21ksoftirqd/122:05:551
29466992924,3cyclictest25-21ksoftirqd/121:51:261
29466992922,5cyclictest25-21ksoftirqd/123:14:481
29465992924,3cyclictest9-21ksoftirqd/023:00:100
29465992924,3cyclictest9-21ksoftirqd/022:36:050
29465992923,4cyclictest9-21ksoftirqd/023:47:040
29465992923,4cyclictest9-21ksoftirqd/021:25:480
29465992923,4cyclictest9-21ksoftirqd/020:16:160
139391290,0ptp4l401ktimersoftd/322:03:383
29468992823,3cyclictest41-21ksoftirqd/322:52:173
29468992822,4cyclictest41-21ksoftirqd/321:21:213
29467992823,3cyclictest33-21ksoftirqd/223:59:212
29467992823,3cyclictest33-21ksoftirqd/219:28:362
29467992822,4cyclictest33-21ksoftirqd/222:06:492
29467992822,4cyclictest33-21ksoftirqd/221:15:522
29467992822,4cyclictest33-21ksoftirqd/220:58:592
29467992822,4cyclictest33-21ksoftirqd/220:41:092
29466992823,3cyclictest25-21ksoftirqd/119:55:431
29466992823,3cyclictest25-21ksoftirqd/119:34:451
29466992823,3cyclictest25-21ksoftirqd/100:18:301
29466992822,4cyclictest25-21ksoftirqd/122:21:301
29466992822,4cyclictest25-21ksoftirqd/120:01:571
29465992823,3cyclictest9-21ksoftirqd/022:55:330
29465992823,3cyclictest9-21ksoftirqd/022:26:450
29465992823,3cyclictest9-21ksoftirqd/021:42:280
29465992823,3cyclictest9-21ksoftirqd/021:15:110
29465992823,3cyclictest9-21ksoftirqd/020:20:330
29465992823,3cyclictest9-21ksoftirqd/000:04:420
29465992822,4cyclictest9-21ksoftirqd/023:08:260
29465992822,4cyclictest9-21ksoftirqd/022:14:010
29465992822,4cyclictest9-21ksoftirqd/020:11:150
29465992822,4cyclictest9-21ksoftirqd/019:45:340
29465992821,4cyclictest9-21ksoftirqd/023:40:140
139391280,0ptp4l401ktimersoftd/323:58:453
29468992722,3cyclictest41-21ksoftirqd/300:19:133
29467992722,4cyclictest33-21ksoftirqd/222:50:202
29467992722,3cyclictest33-21ksoftirqd/222:29:542
29467992722,3cyclictest33-21ksoftirqd/200:28:142
29467992722,3cyclictest33-21ksoftirqd/200:20:462
29466992722,3cyclictest25-21ksoftirqd/123:25:201
29466992721,4cyclictest25-21ksoftirqd/122:47:521
29466992721,4cyclictest25-21ksoftirqd/100:25:491
29466992721,3cyclictest25-21ksoftirqd/100:31:591
29465992722,4cyclictest9-21ksoftirqd/022:46:300
29465992722,3cyclictest9-21ksoftirqd/020:56:080
29465992721,4cyclictest9-21ksoftirqd/023:16:360
29465992721,4cyclictest9-21ksoftirqd/020:35:370
29468992621,3cyclictest41-21ksoftirqd/300:26:343
29467992621,3cyclictest33-21ksoftirqd/223:30:462
29467992621,3cyclictest33-21ksoftirqd/223:20:242
29467992621,3cyclictest33-21ksoftirqd/219:53:552
29466992621,3cyclictest25-21ksoftirqd/120:17:541
29466992620,4cyclictest25-21ksoftirqd/120:56:561
29465992621,3cyclictest9-21ksoftirqd/022:42:420
29467992521,3cyclictest33-21ksoftirqd/200:00:212
29467992520,3cyclictest33-21ksoftirqd/220:19:092
29466992520,3cyclictest25-21ksoftirqd/122:33:521
29466992520,3cyclictest25-21ksoftirqd/119:25:501
29466992519,4cyclictest25-21ksoftirqd/122:14:431
29465992520,3cyclictest9-21ksoftirqd/022:00:470
29465992520,3cyclictest9-21ksoftirqd/020:25:340
29465992519,4cyclictest9-21ksoftirqd/022:31:110
29466992418,3cyclictest25-21ksoftirqd/121:00:131
29465992218,3cyclictest9-21ksoftirqd/021:35:130
29465992217,3cyclictest9-21ksoftirqd/020:48:380
29465992015,3cyclictest17577-21sendmail_mailst00:20:240
29465992014,4cyclictest5519-21sendmail_mailtr23:55:240
2946799191,17cyclictest8917-21kworker/2:221:51:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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