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2026-05-06 - 12:10
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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 rackdslot2.osadl.org (updated Wed May 06, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591231168,51phc2sys0-21swapper/319:05:393
112012228168,49sleep10-21swapper/119:07:061
112322208174,23sleep20-21swapper/219:07:312
113122203168,23sleep00-21swapper/019:08:330
1124621640,3sleep11171899cyclictest23:35:261
1461821550,6sleep11171899cyclictest23:45:131
139291570,1ptp4l13165-21ls21:25:243
154752560,2sleep015474-21phc2sys-jitter21:30:210
139291560,1ptp4l401ktimersoftd/320:44:333
139291550,1ptp4l401ktimersoftd/323:38:483
139291540,0ptp4l401ktimersoftd/321:34:553
139291520,1ptp4l401ktimersoftd/323:50:253
139291520,1ptp4l401ktimersoftd/323:00:253
139291490,1ptp4l401ktimersoftd/319:11:023
135191490,2getstats0-21swapper/320:25:293
11719994827,18cyclictest33-21ksoftirqd/219:45:002
135191440,6getstats1172099cyclictest19:55:283
11718994337,3cyclictest11217-21dump-pmu-power21:24:591
139291410,0ptp4l401ktimersoftd/323:30:163
11718994136,3cyclictest25-21ksoftirqd/123:20:001
11718994136,2cyclictest20757-21tr22:50:151
139291400,0ptp4l401ktimersoftd/322:44:363
139291400,0ptp4l401ktimersoftd/321:40:213
139291400,0ptp4l401ktimersoftd/319:34:553
1171999400,2cyclictest121rcu_preempt23:25:262
139291390,0ptp4l401ktimersoftd/322:20:143
11720993934,3cyclictest41-21ksoftirqd/322:00:183
11720993934,3cyclictest41-21ksoftirqd/300:40:003
11718993934,3cyclictest25-21ksoftirqd/122:20:001
11718993934,3cyclictest25-21ksoftirqd/120:40:011
11718993934,3cyclictest20328-21cron22:50:011
11720993832,4cyclictest41-21ksoftirqd/321:59:333
11720993832,4cyclictest41-21ksoftirqd/320:12:133
11719993832,4cyclictest33-21ksoftirqd/219:26:002
11718993834,3cyclictest25-21ksoftirqd/121:20:001
11718993833,3cyclictest25-21ksoftirqd/119:20:001
11718993832,3cyclictest25-21ksoftirqd/100:40:001
11717993833,3cyclictest9-21ksoftirqd/023:35:010
11717993831,4cyclictest9-21ksoftirqd/023:15:010
139291370,3ptp4l41-21ksoftirqd/322:52:463
139291370,0ptp4l401ktimersoftd/321:02:163
11720993732,3cyclictest41-21ksoftirqd/323:20:113
11720993731,4cyclictest41-21ksoftirqd/322:45:393
11720993731,4cyclictest41-21ksoftirqd/322:36:483
11720993731,4cyclictest41-21ksoftirqd/320:58:513
11719993732,3cyclictest33-21ksoftirqd/220:35:192
11719993718,16cyclictest33-21ksoftirqd/200:30:002
11718993732,3cyclictest25-21ksoftirqd/123:45:001
11718993732,3cyclictest25-21ksoftirqd/119:50:011
11718993732,3cyclictest25-21ksoftirqd/119:35:001
11717993731,4cyclictest9-21ksoftirqd/020:56:350
1171799371,3cyclictest20992-21cron19:30:000
139291360,15ptp4l401ktimersoftd/322:10:013
11720993631,3cyclictest41-21ksoftirqd/320:30:133
11720993630,4cyclictest41-21ksoftirqd/322:31:513
11720993630,4cyclictest41-21ksoftirqd/322:08:073
11720993630,4cyclictest41-21ksoftirqd/321:09:583
11720993630,4cyclictest41-21ksoftirqd/320:53:383
11719993632,3cyclictest33-21ksoftirqd/222:30:002
11719993630,4cyclictest33-21ksoftirqd/220:41:572
11719993625,9cyclictest33-21ksoftirqd/220:25:252
11718993631,3cyclictest25-21ksoftirqd/121:50:011
11718993631,3cyclictest25-21ksoftirqd/120:35:001
11718993631,3cyclictest25-21ksoftirqd/100:10:181
11718993630,4cyclictest25-21ksoftirqd/121:07:431
11718993630,4cyclictest25-21ksoftirqd/100:04:271
11718993630,3cyclictest25-21ksoftirqd/119:35:191
11718993629,4cyclictest25-21ksoftirqd/121:55:061
11720993530,3cyclictest41-21ksoftirqd/320:16:143
11720993529,4cyclictest41-21ksoftirqd/319:18:503
11720993529,4cyclictest41-21ksoftirqd/300:20:433
11720993528,4cyclictest41-21ksoftirqd/300:30:093
11719993530,3cyclictest50792irq/128-enp1s0-22:20:332
11719993530,3cyclictest33-21ksoftirqd/222:43:002
11719993530,3cyclictest33-21ksoftirqd/220:00:192
11719993529,4cyclictest33-21ksoftirqd/221:42:312
11719993529,4cyclictest33-21ksoftirqd/221:13:352
11719993529,4cyclictest33-21ksoftirqd/220:34:072
11719993529,4cyclictest33-21ksoftirqd/219:49:422
11719993529,4cyclictest33-21ksoftirqd/219:21:382
11719993529,4cyclictest33-21ksoftirqd/200:35:092
11719993529,3cyclictest33-21ksoftirqd/221:20:242
11719993527,5cyclictest33-21ksoftirqd/223:15:012
11718993530,3cyclictest25-21ksoftirqd/121:43:391
11718993530,3cyclictest25-21ksoftirqd/120:40:201
11718993529,4cyclictest25-21ksoftirqd/122:23:421
11718993529,4cyclictest25-21ksoftirqd/120:58:421
11718993529,4cyclictest25-21ksoftirqd/120:27:091
11718993528,5cyclictest25-21ksoftirqd/120:20:001
11718993528,4cyclictest25-21ksoftirqd/121:51:291
11717993530,3cyclictest9-21ksoftirqd/022:42:540
11717993530,3cyclictest9-21ksoftirqd/022:10:210
11717993530,3cyclictest9-21ksoftirqd/019:54:590
11717993529,4cyclictest9-21ksoftirqd/023:55:550
11717993529,4cyclictest9-21ksoftirqd/022:28:430
11717993529,4cyclictest9-21ksoftirqd/020:46:200
11717993529,4cyclictest9-21ksoftirqd/019:14:500
11720993429,3cyclictest41-21ksoftirqd/323:56:403
11720993429,3cyclictest41-21ksoftirqd/323:09:093
11720993429,3cyclictest41-21ksoftirqd/321:53:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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