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2026-07-18 - 03:26
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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