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2026-06-17 - 10:32
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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 Wed Jun 17, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491235168,22phc2sys0-21swapper/319:08:113
282052204171,22sleep00-21swapper/019:08:340
280112204170,23sleep20-21swapper/219:06:032
282612202169,22sleep10-21swapper/119:09:191
28610995120,6cyclictest41-21ksoftirqd/321:26:313
134342510,2sleep20-21swapper/223:05:282
2861099465,6cyclictest41-21ksoftirqd/320:05:003
2861099462,5cyclictest41-21ksoftirqd/322:55:263
2861099461,5cyclictest41-21ksoftirqd/321:10:243
2861099456,6cyclictest41-21ksoftirqd/300:20:253
2861099454,6cyclictest0-21swapper/320:25:143
28610994516,8cyclictest41-21ksoftirqd/322:36:313
2861099444,7cyclictest41-21ksoftirqd/322:45:173
28610994415,8cyclictest41-21ksoftirqd/322:21:273
2861099440,7cyclictest401ktimersoftd/300:00:263
139391440,0ptp4l401ktimersoftd/322:30:163
2861099433,5cyclictest0-21swapper/323:00:163
2861099432,5cyclictest41-21ksoftirqd/323:11:463
2861099432,5cyclictest41-21ksoftirqd/321:37:043
28610994316,8cyclictest41-21ksoftirqd/323:21:283
2860999431,40cyclictest4253-21cron22:50:002
2861099425,6cyclictest41-21ksoftirqd/323:40:243
2861099423,6cyclictest41-21ksoftirqd/323:55:013
2861099423,6cyclictest41-21ksoftirqd/320:10:163
2861099423,6cyclictest41-21ksoftirqd/320:10:163
2861099422,5cyclictest41-21ksoftirqd/319:32:573
28610994215,8cyclictest41-21ksoftirqd/320:31:263
28610994215,7cyclictest41-21ksoftirqd/323:36:283
2861099421,4cyclictest0-21swapper/321:57:043
28610994214,8cyclictest41-21ksoftirqd/320:59:343
28610994213,8cyclictest41-21ksoftirqd/319:25:593
139391420,0ptp4l401ktimersoftd/323:58:213
139391420,0ptp4l401ktimersoftd/300:16:113
57898410,2rtkit-daemon577-21rtkit-daemon19:22:331
2861099417,6cyclictest41-21ksoftirqd/321:20:253
2861099415,7cyclictest41-21ksoftirqd/321:50:193
2861099414,6cyclictest41-21ksoftirqd/319:10:273
28610994114,8cyclictest41-21ksoftirqd/321:09:583
28610994113,8cyclictest41-21ksoftirqd/300:06:133
139391410,0ptp4l401ktimersoftd/319:15:193
2861099404,7cyclictest41-21ksoftirqd/319:35:113
2861099402,7cyclictest41-21ksoftirqd/319:40:163
2861099402,5cyclictest41-21ksoftirqd/323:32:553
28610994013,8cyclictest41-21ksoftirqd/321:30:243
139391400,1ptp4l391rcuc/320:40:223
2861099394,6cyclictest41-21ksoftirqd/319:55:223
2861099392,5cyclictest0-21swapper/320:51:533
2861099391,3cyclictest41-21ksoftirqd/300:25:203
2861099386,3cyclictest41-21ksoftirqd/323:15:133
2861099384,7cyclictest41-21ksoftirqd/319:50:123
2861099383,7cyclictest41-21ksoftirqd/321:00:123
28610993813,6cyclictest41-21ksoftirqd/321:15:183
28608993833,3cyclictest23517-21sh23:30:011
2861099374,7cyclictest41-21ksoftirqd/323:05:443
2861099374,6cyclictest41-21ksoftirqd/323:26:133
2861099371,5cyclictest41-21ksoftirqd/300:10:163
28609993731,4cyclictest33-21ksoftirqd/219:28:092
28609993730,5cyclictest33-21ksoftirqd/219:55:322
28608993731,4cyclictest25-21ksoftirqd/123:33:431
28608993731,4cyclictest25-21ksoftirqd/120:01:261
2861099362,5cyclictest41-21ksoftirqd/322:10:133
28609993630,4cyclictest33-21ksoftirqd/222:38:192
28609993630,4cyclictest33-21ksoftirqd/221:25:432
28609993630,4cyclictest33-21ksoftirqd/200:23:232
28608993630,4cyclictest25-21ksoftirqd/122:43:571
28608993629,5cyclictest25-21ksoftirqd/121:19:161
28608993629,5cyclictest25-21ksoftirqd/119:26:391
28608993629,5cyclictest25-21ksoftirqd/100:20:561
28607993630,4cyclictest9-21ksoftirqd/000:35:090
28607993629,5cyclictest9-21ksoftirqd/000:25:460
2861099353,8cyclictest41-21ksoftirqd/300:30:253
2861099352,4cyclictest41-21ksoftirqd/322:50:233
28609993529,4cyclictest33-21ksoftirqd/223:26:292
28609993529,4cyclictest33-21ksoftirqd/222:09:482
28609993529,4cyclictest33-21ksoftirqd/220:58:032
28609993529,4cyclictest33-21ksoftirqd/220:17:192
28609993529,4cyclictest33-21ksoftirqd/220:11:542
28609993529,4cyclictest33-21ksoftirqd/220:11:542
28608993530,3cyclictest25-21ksoftirqd/121:21:191
28608993529,4cyclictest25-21ksoftirqd/120:30:111
28608993529,4cyclictest25-21ksoftirqd/120:26:371
28608993529,4cyclictest25-21ksoftirqd/120:23:441
28608993529,4cyclictest25-21ksoftirqd/120:06:591
28608993529,4cyclictest25-21ksoftirqd/119:53:231
28608993529,4cyclictest25-21ksoftirqd/119:36:421
28608993528,5cyclictest25-21ksoftirqd/119:34:421
28608993528,4cyclictest25-21ksoftirqd/122:49:191
28608993522,11cyclictest25-21ksoftirqd/120:50:561
28607993530,3cyclictest9-21ksoftirqd/019:25:120
28607993529,4cyclictest9-21ksoftirqd/023:55:050
28607993529,4cyclictest9-21ksoftirqd/020:11:480
28607993529,4cyclictest9-21ksoftirqd/020:11:480
57898340,9rtkit-daemon0-21swapper/122:16:551
2861099343,6cyclictest41-21ksoftirqd/320:15:273
2861099342,7cyclictest41-21ksoftirqd/322:15:193
2861099342,7cyclictest41-21ksoftirqd/321:46:133
28610993427,4cyclictest41-21ksoftirqd/322:02:553
2861099342,6cyclictest41-21ksoftirqd/320:35:113
2861099341,7cyclictest41-21ksoftirqd/320:06:363
2861099341,3cyclictest41-21ksoftirqd/322:05:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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