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2026-06-20 - 12:14
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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 20, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1488122280,14sleep30-21swapper/319:05:273
153702206172,23sleep20-21swapper/219:08:522
152042205173,21sleep10-21swapper/119:06:431
154362204171,22sleep00-21swapper/019:09:430
2341821440,7sleep01574999cyclictest21:40:140
2709421370,2sleep21575199cyclictest19:30:342
1590621320,5sleep11575099cyclictest21:25:021
1545828262,11sleep10-21swapper/119:10:001
15749996811,21cyclictest14123-21seq20:12:440
65462640,1sleep10-21swapper/122:10:241
1575099626,54cyclictest0-21swapper/120:21:131
15749996010,22cyclictest12844-21df_abs22:25:140
293622580,2sleep10-21swapper/100:05:251
139391550,1ptp4l401ktimersoftd/321:25:183
139391540,1ptp4l401ktimersoftd/322:45:573
139391530,1ptp4l401ktimersoftd/300:25:203
139391500,1ptp4l401ktimersoftd/321:56:093
15751994742,3cyclictest22795-21sh21:40:002
15751994538,4cyclictest9910-21cron22:20:002
57898440,2rtkit-daemon0-21swapper/221:17:352
139391440,0ptp4l401ktimersoftd/319:13:033
15750994316,26cyclictest0-21swapper/120:46:041
15750994314,27cyclictest0-21swapper/123:40:431
139391430,0ptp4l401ktimersoftd/323:51:533
139391430,0ptp4l401ktimersoftd/323:10:153
15752994237,3cyclictest41-21ksoftirqd/300:19:593
139391420,0ptp4l401ktimersoftd/323:20:223
139391420,0ptp4l401ktimersoftd/323:20:223
139391420,0ptp4l401ktimersoftd/322:52:593
15751994135,3cyclictest32684-21cron00:15:002
15750994136,3cyclictest20585-21sh23:50:001
139391410,0ptp4l401ktimersoftd/322:35:343
15750994026,5cyclictest25-21ksoftirqd/100:30:251
15751993930,7cyclictest33-21ksoftirqd/219:55:402
15751993925,12cyclictest33-21ksoftirqd/219:21:262
15749993933,4cyclictest9-21ksoftirqd/021:34:440
15750993832,4cyclictest25-21ksoftirqd/123:54:261
134391380,1getstats0-21swapper/322:23:133
15752993732,3cyclictest41-21ksoftirqd/319:20:003
15752993730,4cyclictest11069-21cron23:30:003
15751993731,4cyclictest33-21ksoftirqd/222:42:462
15750993732,3cyclictest8702-21cron23:25:001
15750993732,3cyclictest8702-21cron23:25:001
15750993732,3cyclictest25-21ksoftirqd/121:05:001
15750993731,4cyclictest25-21ksoftirqd/123:32:401
15750993731,4cyclictest25-21ksoftirqd/122:29:171
15750993731,4cyclictest25-21ksoftirqd/120:19:081
15749993731,4cyclictest9-21ksoftirqd/000:00:100
15749993729,5cyclictest9-21ksoftirqd/023:50:000
57898360,2rtkit-daemon0-21swapper/320:10:153
15752993631,3cyclictest7172-21cron20:00:003
15752993630,3cyclictest41-21ksoftirqd/300:00:003
15751993630,3cyclictest33-21ksoftirqd/222:28:592
1575099368,27cyclictest0-21swapper/120:40:431
15750993630,4cyclictest25-21ksoftirqd/123:57:111
15750993630,4cyclictest25-21ksoftirqd/122:58:021
15750993630,4cyclictest25-21ksoftirqd/122:32:221
15750993630,4cyclictest25-21ksoftirqd/100:23:221
15750993629,4cyclictest25-21ksoftirqd/121:40:471
15749993630,4cyclictest9-21ksoftirqd/021:38:300
15749993623,10cyclictest9-21ksoftirqd/022:25:000
15752993531,2cyclictest41-21ksoftirqd/320:30:003
15752993529,3cyclictest41-21ksoftirqd/321:19:093
15751993532,2cyclictest33-21ksoftirqd/220:25:002
15751993529,4cyclictest33-21ksoftirqd/223:51:542
15751993529,3cyclictest33-21ksoftirqd/200:35:592
15751993528,5cyclictest33-21ksoftirqd/200:22:512
15751993528,4cyclictest33-21ksoftirqd/223:25:282
15750993529,4cyclictest25-21ksoftirqd/123:04:071
15750993529,4cyclictest25-21ksoftirqd/122:35:351
1575099350,34cyclictest0-21swapper/120:30:531
15749993529,4cyclictest9-21ksoftirqd/023:40:530
15749993529,4cyclictest9-21ksoftirqd/020:01:300
15749993512,20cyclictest23974-21sed23:55:190
134391350,1getstats0-21swapper/321:53:133
134391350,1getstats0-21swapper/321:53:123
15752993430,3cyclictest41-21ksoftirqd/319:55:003
15752993429,3cyclictest41-21ksoftirqd/319:45:123
15752993428,4cyclictest41-21ksoftirqd/321:46:273
15752993428,3cyclictest41-21ksoftirqd/320:45:203
15751993429,3cyclictest33-21ksoftirqd/222:31:432
15751993428,4cyclictest33-21ksoftirqd/223:11:502
15751993428,4cyclictest33-21ksoftirqd/221:59:332
15751993428,4cyclictest33-21ksoftirqd/221:31:292
15751993428,4cyclictest33-21ksoftirqd/219:46:592
15751993428,4cyclictest33-21ksoftirqd/200:01:242
15750993428,4cyclictest25-21ksoftirqd/122:50:311
15750993428,4cyclictest25-21ksoftirqd/121:57:001
15750993428,4cyclictest25-21ksoftirqd/121:11:501
15750993428,4cyclictest25-21ksoftirqd/120:55:061
15750993428,4cyclictest25-21ksoftirqd/120:52:171
15750993428,4cyclictest25-21ksoftirqd/119:37:441
15749993429,3cyclictest9-21ksoftirqd/022:01:040
15749993429,3cyclictest9-21ksoftirqd/000:10:460
15749993428,4cyclictest9-21ksoftirqd/020:23:070
15749993428,4cyclictest9-21ksoftirqd/019:59:170
15749993428,4cyclictest9-21ksoftirqd/019:14:590
15749993428,4cyclictest9-21ksoftirqd/000:31:150
15749993427,5cyclictest9-21ksoftirqd/021:09:380
15752993329,2cyclictest139391ptp4l20:53:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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