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2026-06-06 - 17:19
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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 Jun 06, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65242204171,22sleep30-21swapper/319:09:383
62592201168,22sleep20-21swapper/219:06:112
62322201168,22sleep10-21swapper/119:05:501
62312201168,22sleep00-21swapper/019:05:480
1394919576,10phc2sys0-21swapper/319:10:013
1394919576,10phc2sys0-21swapper/319:10:013
124492660,1sleep10-21swapper/119:20:181
184192610,5sleep018424-21unixbench_multi00:00:250
6848995913,24cyclictest25896-21/usr/sbin/munin19:50:163
320212570,2sleep20-21swapper/221:10:102
306672560,3sleep030668-21latency_hist20:00:000
6845995246,3cyclictest14922-21cron22:50:000
6845994942,4cyclictest10114-21cron22:40:010
6845994942,4cyclictest10114-21cron22:40:010
141742460,2sleep30-21swapper/319:25:133
6846994538,4cyclictest14119-21cron23:54:591
684799430,41cyclictest0-21swapper/223:45:232
139391420,0ptp4l401ktimersoftd/323:21:553
139391420,0ptp4l401ktimersoftd/322:04:493
139391420,0ptp4l401ktimersoftd/320:03:383
139391420,0ptp4l401ktimersoftd/319:58:533
684899414,36cyclictest29819-21kworker/3:200:28:533
684799410,39cyclictest0-21swapper/219:40:232
6845994135,3cyclictest31153-21cron00:30:000
6846994034,4cyclictest5389-21cron20:15:001
6846994034,4cyclictest25-21ksoftirqd/100:20:001
139391380,0ptp4l401ktimersoftd/320:05:153
6847993731,4cyclictest33-21ksoftirqd/221:03:582
6846993730,5cyclictest25-21ksoftirqd/121:25:501
6846993730,5cyclictest25-21ksoftirqd/100:38:581
6846993730,5cyclictest25-21ksoftirqd/100:38:581
6845993731,3cyclictest9-21ksoftirqd/022:04:590
6848993630,4cyclictest41-21ksoftirqd/321:24:523
6848993630,4cyclictest41-21ksoftirqd/319:22:413
684799368,27cyclictest32005-21kworker/2:221:35:232
684799368,27cyclictest32005-21kworker/2:221:35:232
6847993630,4cyclictest33-21ksoftirqd/221:40:522
6847993629,5cyclictest33-21ksoftirqd/220:24:382
6846993631,3cyclictest25-21ksoftirqd/123:20:201
6846993630,4cyclictest25-21ksoftirqd/123:04:351
6846993630,4cyclictest25-21ksoftirqd/121:16:241
6846993630,4cyclictest25-21ksoftirqd/120:51:411
6846993630,4cyclictest25-21ksoftirqd/120:42:451
6846993630,4cyclictest25-21ksoftirqd/100:33:521
6845993630,4cyclictest9-21ksoftirqd/023:07:100
6845993630,4cyclictest9-21ksoftirqd/023:07:100
6848993529,4cyclictest41-21ksoftirqd/321:46:023
6848993529,4cyclictest41-21ksoftirqd/320:25:063
6847993530,3cyclictest33-21ksoftirqd/219:55:582
6847993529,4cyclictest33-21ksoftirqd/221:23:432
6847993528,5cyclictest33-21ksoftirqd/222:23:442
6846993530,3cyclictest25-21ksoftirqd/120:55:121
6846993529,4cyclictest25-21ksoftirqd/123:45:061
6846993529,4cyclictest25-21ksoftirqd/122:44:571
6846993529,4cyclictest25-21ksoftirqd/121:47:171
6846993529,4cyclictest25-21ksoftirqd/121:24:101
6846993529,4cyclictest25-21ksoftirqd/120:45:511
6846993529,4cyclictest25-21ksoftirqd/120:24:371
6846993529,4cyclictest25-21ksoftirqd/119:43:251
6846993529,4cyclictest25-21ksoftirqd/119:25:521
6845993529,4cyclictest9-21ksoftirqd/022:13:020
6845993528,4cyclictest9-21ksoftirqd/019:41:110
6848993428,4cyclictest41-21ksoftirqd/322:18:233
6848993428,4cyclictest41-21ksoftirqd/321:13:253
6848993428,4cyclictest41-21ksoftirqd/300:06:513
6848993428,4cyclictest41-21ksoftirqd/300:06:513
6847993428,4cyclictest33-21ksoftirqd/223:51:532
6847993428,4cyclictest33-21ksoftirqd/223:12:172
6847993428,4cyclictest33-21ksoftirqd/222:37:002
6847993428,4cyclictest33-21ksoftirqd/222:37:002
6847993428,4cyclictest33-21ksoftirqd/220:46:162
6847993428,4cyclictest33-21ksoftirqd/220:27:472
6847993428,4cyclictest33-21ksoftirqd/220:17:162
6847993428,4cyclictest33-21ksoftirqd/219:16:182
6847993428,4cyclictest33-21ksoftirqd/200:09:342
6847993428,4cyclictest33-21ksoftirqd/200:09:342
6847993428,3cyclictest22053-21cron23:04:592
6847993427,4cyclictest33-21ksoftirqd/219:31:262
6846993429,3cyclictest25-21ksoftirqd/120:33:501
6846993429,3cyclictest25-21ksoftirqd/119:15:111
6846993428,4cyclictest25-21ksoftirqd/123:57:101
6846993428,4cyclictest25-21ksoftirqd/123:43:401
6846993428,4cyclictest25-21ksoftirqd/123:31:341
6846993428,4cyclictest25-21ksoftirqd/123:17:271
6846993428,4cyclictest25-21ksoftirqd/122:14:491
6846993428,4cyclictest25-21ksoftirqd/121:56:511
6846993428,4cyclictest25-21ksoftirqd/120:16:381
6846993428,4cyclictest25-21ksoftirqd/119:34:531
6845993428,4cyclictest9-21ksoftirqd/022:55:300
6845993428,4cyclictest9-21ksoftirqd/020:09:460
6845993428,4cyclictest9-21ksoftirqd/000:24:040
6845993428,4cyclictest9-21ksoftirqd/000:08:160
6845993428,4cyclictest9-21ksoftirqd/000:08:160
6845993427,4cyclictest9-21ksoftirqd/021:59:100
6848993328,3cyclictest41-21ksoftirqd/321:52:203
6848993328,3cyclictest41-21ksoftirqd/321:37:513
6848993328,3cyclictest41-21ksoftirqd/321:37:513
6848993327,4cyclictest41-21ksoftirqd/323:38:263
6848993327,4cyclictest41-21ksoftirqd/323:38:263
6848993327,4cyclictest41-21ksoftirqd/323:11:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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