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2026-03-30 - 05:39
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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 Mon Mar 30, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491234169,22phc2sys0-21swapper/319:07:093
139491234169,22phc2sys0-21swapper/319:07:083
325122204171,22sleep00-21swapper/019:09:270
325122204171,22sleep00-21swapper/019:09:270
324012203173,20sleep10-21swapper/119:07:591
324012203173,20sleep10-21swapper/119:07:581
322202201168,22sleep20-21swapper/219:05:432
322202201168,22sleep20-21swapper/219:05:432
2331921680,9sleep345099cyclictest19:55:213
139491162124,13phc2sys0-21swapper/319:10:013
3255828464,11sleep20-21swapper/219:10:012
139391840,1ptp4l20934-21/usr/sbin/munin21:00:163
68952790,4sleep06898-21sort19:20:250
224502630,6sleep144799cyclictest21:00:271
139391580,1ptp4l401ktimersoftd/319:30:143
70792560,3sleep17082-21unixbench_singl19:20:261
139391530,1ptp4l401ktimersoftd/319:35:183
9422500,3sleep30-21swapper/323:40:183
139391430,0ptp4l401ktimersoftd/322:55:173
139391420,0ptp4l401ktimersoftd/300:28:353
139391400,0ptp4l401ktimersoftd/322:06:373
450993732,3cyclictest5084-21cron19:20:013
450993730,5cyclictest41-21ksoftirqd/300:03:063
448993732,3cyclictest5913-21tr21:35:162
450993630,4cyclictest41-21ksoftirqd/321:38:123
44899363,3cyclictest121rcu_preempt00:20:222
448993630,4cyclictest33-21ksoftirqd/223:30:512
448993629,5cyclictest33-21ksoftirqd/220:10:092
447993630,4cyclictest25-21ksoftirqd/122:46:381
447993630,4cyclictest25-21ksoftirqd/121:05:451
44699366,3cyclictest1317-21runrttasks22:28:140
446993630,4cyclictest9-21ksoftirqd/021:06:550
450993529,4cyclictest41-21ksoftirqd/322:26:173
450993529,4cyclictest41-21ksoftirqd/321:24:073
448993530,3cyclictest33-21ksoftirqd/200:07:542
448993529,4cyclictest33-21ksoftirqd/220:50:112
448993529,4cyclictest33-21ksoftirqd/220:00:352
448993529,4cyclictest33-21ksoftirqd/219:35:072
448993529,4cyclictest33-21ksoftirqd/200:35:452
448993529,4cyclictest33-21ksoftirqd/200:29:482
447993530,3cyclictest25-21ksoftirqd/122:27:241
447993530,3cyclictest25-21ksoftirqd/122:10:001
447993529,4cyclictest25-21ksoftirqd/123:08:111
447993529,4cyclictest25-21ksoftirqd/122:20:341
447993529,4cyclictest25-21ksoftirqd/121:36:461
447993529,4cyclictest25-21ksoftirqd/120:51:271
447993529,4cyclictest14498-21cron21:54:591
447993528,4cyclictest24057-21cron19:59:591
446993529,4cyclictest9-21ksoftirqd/021:11:280
446993529,4cyclictest9-21ksoftirqd/019:31:440
446993529,4cyclictest9-21ksoftirqd/000:01:580
446993528,5cyclictest9-21ksoftirqd/000:13:370
450993428,4cyclictest41-21ksoftirqd/323:26:383
450993428,4cyclictest41-21ksoftirqd/323:12:223
450993428,4cyclictest41-21ksoftirqd/321:40:123
450993428,4cyclictest41-21ksoftirqd/321:05:183
450993428,4cyclictest41-21ksoftirqd/320:44:083
450993428,4cyclictest41-21ksoftirqd/320:12:193
448993428,4cyclictest33-21ksoftirqd/223:45:042
448993428,4cyclictest33-21ksoftirqd/223:19:522
448993428,4cyclictest33-21ksoftirqd/222:49:272
448993428,4cyclictest33-21ksoftirqd/222:34:112
448993428,4cyclictest33-21ksoftirqd/221:47:582
448993428,4cyclictest33-21ksoftirqd/220:39:412
448993428,4cyclictest33-21ksoftirqd/220:29:512
447993429,3cyclictest25-21ksoftirqd/123:45:111
447993429,3cyclictest25-21ksoftirqd/122:36:181
447993429,3cyclictest25-21ksoftirqd/122:36:181
447993429,3cyclictest25-21ksoftirqd/121:44:421
447993429,3cyclictest25-21ksoftirqd/121:19:581
447993429,3cyclictest25-21ksoftirqd/119:45:051
447993429,3cyclictest25-21ksoftirqd/100:35:111
447993428,4cyclictest25-21ksoftirqd/123:31:541
447993428,4cyclictest25-21ksoftirqd/122:40:321
447993428,4cyclictest25-21ksoftirqd/122:31:441
447993428,4cyclictest25-21ksoftirqd/119:18:501
447993428,4cyclictest25-21ksoftirqd/100:03:201
447993427,5cyclictest25-21ksoftirqd/120:32:391
446993428,4cyclictest9-21ksoftirqd/019:51:180
446993414,18cyclictest5541-21phc2sys-jitter20:25:210
446993413,18cyclictest32141-21unixbench_singl21:20:260
446993411,21cyclictest15271-21awk23:00:250
450993328,3cyclictest41-21ksoftirqd/323:55:123
450993328,3cyclictest41-21ksoftirqd/319:28:263
450993327,4cyclictest41-21ksoftirqd/319:50:573
450993327,4cyclictest41-21ksoftirqd/300:34:473
448993328,3cyclictest33-21ksoftirqd/221:01:532
448993328,3cyclictest33-21ksoftirqd/220:45:362
448993328,3cyclictest33-21ksoftirqd/219:54:102
448993327,4cyclictest33-21ksoftirqd/223:41:152
448993327,4cyclictest33-21ksoftirqd/222:51:112
448993327,4cyclictest33-21ksoftirqd/222:18:142
448993327,4cyclictest33-21ksoftirqd/222:11:532
448993327,4cyclictest33-21ksoftirqd/221:50:352
448993327,4cyclictest33-21ksoftirqd/221:20:342
448993327,4cyclictest33-21ksoftirqd/220:56:112
447993327,4cyclictest25-21ksoftirqd/123:37:241
447993327,4cyclictest25-21ksoftirqd/123:37:241
447993327,4cyclictest25-21ksoftirqd/122:15:481
447993327,4cyclictest25-21ksoftirqd/121:33:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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