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2026-04-23 - 03:25
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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 highest latencies:
System rackdslot3.osadl.org (updated Thu Apr 23, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491226159,23phc2sys0-21swapper/319:06:093
260752209176,22sleep10-21swapper/119:08:251
261012202169,22sleep20-21swapper/219:08:462
261292201168,22sleep00-21swapper/019:09:090
26638995713,22cyclictest7879-21/usr/sbin/munin20:45:173
57898490,12rtkit-daemon577-21rtkit-daemon00:15:140
26636994943,3cyclictest19660-21basename23:25:001
139391490,1ptp4l0-21swapper/319:45:053
82962430,1sleep20-21swapper/221:50:242
26637994337,4cyclictest26840-21cron21:25:002
26637994334,3cyclictest33-21ksoftirqd/220:40:002
139391430,0ptp4l401ktimersoftd/321:35:203
139391420,0ptp4l401ktimersoftd/300:25:353
139391420,0ptp4l401ktimersoftd/300:25:343
139391420,0ptp4l401ktimersoftd/300:01:153
1394914132,5phc2sys0-21swapper/319:10:023
26637994036,2cyclictest29207-21cron21:30:002
26636993934,3cyclictest25-21ksoftirqd/119:45:011
139391390,1ptp4l391rcuc/320:05:113
26636993832,4cyclictest25-21ksoftirqd/121:00:121
26635993834,3cyclictest9-21ksoftirqd/019:15:000
26635993834,2cyclictest9-21ksoftirqd/021:45:000
26635993833,3cyclictest9-21ksoftirqd/023:40:010
26635993833,3cyclictest9-21ksoftirqd/022:35:260
26635993833,3cyclictest9-21ksoftirqd/021:35:010
26635993833,3cyclictest9-21ksoftirqd/021:20:000
26635993833,3cyclictest3636-21cron19:30:000
26635993832,3cyclictest9-21ksoftirqd/000:15:010
26635993733,3cyclictest9-21ksoftirqd/000:20:170
26635993732,3cyclictest9-21ksoftirqd/021:00:000
26638993631,3cyclictest2973-21cron22:50:003
26638993630,4cyclictest41-21ksoftirqd/321:05:123
2663899360,22cyclictest3851-21chrt21:40:303
2663899360,22cyclictest11607-21chrt22:00:083
26637993632,3cyclictest33-21ksoftirqd/222:15:182
26637993631,3cyclictest33-21ksoftirqd/221:30:132
26637993629,4cyclictest33-21ksoftirqd/223:23:592
26636993631,3cyclictest25-21ksoftirqd/121:05:161
26636993631,3cyclictest25-21ksoftirqd/119:20:001
26636993630,4cyclictest25-21ksoftirqd/120:52:321
26636993630,4cyclictest25-21ksoftirqd/119:31:351
26636993629,5cyclictest25-21ksoftirqd/119:55:341
2663699361,33cyclictest22010-21cron23:30:001
2663699361,31cyclictest16515-21apt-get00:25:131
2663699361,31cyclictest16515-21apt-get00:25:121
26635993632,3cyclictest9-21ksoftirqd/000:00:000
26635993631,3cyclictest9-21ksoftirqd/021:55:180
26635993631,3cyclictest9-21ksoftirqd/020:05:000
26635993631,3cyclictest9-21ksoftirqd/019:35:130
26638993530,3cyclictest41-21ksoftirqd/323:50:203
26638993529,4cyclictest41-21ksoftirqd/321:05:003
2663899350,21cyclictest0-21swapper/319:35:243
26637993529,4cyclictest33-21ksoftirqd/223:51:562
26637993529,4cyclictest33-21ksoftirqd/223:31:022
26637993529,4cyclictest33-21ksoftirqd/222:00:472
26637993529,4cyclictest33-21ksoftirqd/220:44:592
26637993529,4cyclictest33-21ksoftirqd/220:32:152
26637993529,3cyclictest33-21ksoftirqd/220:49:152
26637993528,5cyclictest33-21ksoftirqd/222:13:232
26637993528,5cyclictest33-21ksoftirqd/219:45:442
26637993517,17cyclictest33-21ksoftirqd/222:25:002
26636993529,4cyclictest25-21ksoftirqd/122:22:291
26636993529,4cyclictest25-21ksoftirqd/121:35:001
26635993531,3cyclictest9-21ksoftirqd/023:40:240
26635993531,3cyclictest9-21ksoftirqd/021:50:180
26635993531,3cyclictest9-21ksoftirqd/000:25:190
26635993531,3cyclictest9-21ksoftirqd/000:25:190
26635993530,3cyclictest9-21ksoftirqd/023:45:180
26635993530,3cyclictest9-21ksoftirqd/021:35:250
26635993530,3cyclictest9-21ksoftirqd/021:15:000
26635993530,3cyclictest9-21ksoftirqd/020:30:120
26635993530,3cyclictest9-21ksoftirqd/019:55:000
26635993529,4cyclictest9-21ksoftirqd/000:09:590
26638993429,3cyclictest41-21ksoftirqd/320:43:553
26638993429,3cyclictest41-21ksoftirqd/320:03:143
26638993428,4cyclictest41-21ksoftirqd/300:08:333
26637993429,3cyclictest33-21ksoftirqd/200:17:072
26637993428,4cyclictest33-21ksoftirqd/220:55:372
26637993428,4cyclictest33-21ksoftirqd/220:21:352
26637993428,4cyclictest33-21ksoftirqd/219:51:102
26636993429,3cyclictest25-21ksoftirqd/123:35:111
26636993429,3cyclictest25-21ksoftirqd/120:26:261
26636993428,4cyclictest25-21ksoftirqd/122:56:431
26636993428,4cyclictest25-21ksoftirqd/122:30:351
26636993428,4cyclictest25-21ksoftirqd/121:57:051
26636993428,4cyclictest25-21ksoftirqd/120:47:141
26636993428,4cyclictest25-21ksoftirqd/100:34:381
26635993431,2cyclictest9-21ksoftirqd/019:19:590
26635993430,3cyclictest9-21ksoftirqd/020:15:140
26635993430,2cyclictest9-21ksoftirqd/023:15:130
26635993429,3cyclictest9-21ksoftirqd/020:50:120
26635993428,3cyclictest9-21ksoftirqd/023:00:000
26635993428,3cyclictest9-21ksoftirqd/019:35:010
26635993428,3cyclictest9-21ksoftirqd/000:35:180
26638993328,3cyclictest41-21ksoftirqd/322:12:593
26638993328,3cyclictest41-21ksoftirqd/319:24:523
26638993327,4cyclictest41-21ksoftirqd/322:22:383
26638993327,4cyclictest41-21ksoftirqd/320:53:213
26638993327,4cyclictest41-21ksoftirqd/320:11:103
26638993327,4cyclictest41-21ksoftirqd/319:53:363
26638993327,3cyclictest41-21ksoftirqd/321:19:593
26638993314,16cyclictest20275-21sshd22:15:233
26637993329,2cyclictest33-21ksoftirqd/220:20:002
26637993328,3cyclictest33-21ksoftirqd/223:10:002
26637993328,3cyclictest33-21ksoftirqd/221:18:012
26637993328,3cyclictest33-21ksoftirqd/219:25:132
26637993328,3cyclictest33-21ksoftirqd/219:15:122
26637993327,4cyclictest33-21ksoftirqd/222:35:332
26637993327,4cyclictest33-21ksoftirqd/221:39:172
26637993327,3cyclictest33-21ksoftirqd/221:59:292
26637993327,3cyclictest33-21ksoftirqd/221:49:262
26637993322,10cyclictest33-21ksoftirqd/223:40:252
26636993328,3cyclictest25-21ksoftirqd/121:12:311
26636993327,4cyclictest25-21ksoftirqd/123:46:411
26636993327,4cyclictest25-21ksoftirqd/122:47:441
26636993327,4cyclictest25-21ksoftirqd/122:07:001
26636993327,4cyclictest25-21ksoftirqd/121:48:121
26636993327,4cyclictest25-21ksoftirqd/121:23:361
26636993327,4cyclictest25-21ksoftirqd/119:26:371
26636993327,4cyclictest25-21ksoftirqd/100:24:521
2663599334,2cyclictest121rcu_preempt23:25:260
26635993329,3cyclictest9-21ksoftirqd/021:00:010
26635993329,2cyclictest9-21ksoftirqd/022:10:010
26635993328,3cyclictest9-21ksoftirqd/022:40:150
26635993328,3cyclictest9-21ksoftirqd/022:15:180
26635993328,3cyclictest9-21ksoftirqd/021:30:000
26635993328,3cyclictest9-21ksoftirqd/020:40:190
26635993328,3cyclictest9-21ksoftirqd/020:25:000
26635993328,3cyclictest9-21ksoftirqd/000:00:200
26635993328,2cyclictest9-21ksoftirqd/019:50:000
26635993327,4cyclictest9-21ksoftirqd/023:12:540
26635993327,4cyclictest9-21ksoftirqd/020:10:380
26635993327,4cyclictest9-21ksoftirqd/019:41:410
26635993327,4cyclictest9-21ksoftirqd/019:23:240
26635993327,3cyclictest9-21ksoftirqd/022:10:180
26638993227,3cyclictest41-21ksoftirqd/300:11:063
26638993226,4cyclictest41-21ksoftirqd/323:36:323
26638993226,4cyclictest41-21ksoftirqd/323:15:023
26638993226,4cyclictest41-21ksoftirqd/322:32:423
26638993226,4cyclictest41-21ksoftirqd/320:33:033
26638993215,14cyclictest31505-21cron23:50:003
2663899320,17cyclictest0-21swapper/320:20:283
26637993227,3cyclictest33-21ksoftirqd/223:15:002
26637993227,3cyclictest26728-21irqrtprio22:30:192
26637993226,4cyclictest33-21ksoftirqd/221:01:592
26637993226,4cyclictest33-21ksoftirqd/220:54:042
26637993226,4cyclictest33-21ksoftirqd/220:03:212
26637993226,4cyclictest33-21ksoftirqd/219:33:382
26637993226,4cyclictest33-21ksoftirqd/200:33:362
26637993225,4cyclictest33-21ksoftirqd/223:56:572
26637993219,11cyclictest33-21ksoftirqd/200:24:592
26636993227,3cyclictest25-21ksoftirqd/119:53:571
26636993227,3cyclictest25-21ksoftirqd/100:04:161
26636993226,4cyclictest25-21ksoftirqd/123:31:331
26636993226,4cyclictest25-21ksoftirqd/122:02:311
26636993226,4cyclictest25-21ksoftirqd/120:43:321
26636993226,4cyclictest25-21ksoftirqd/120:36:221
26636993226,4cyclictest25-21ksoftirqd/120:04:371
26635993227,3cyclictest9-21ksoftirqd/021:20:110
26635993226,3cyclictest9-21ksoftirqd/022:00:130
26635993226,3cyclictest9-21ksoftirqd/020:45:180
26638993126,3cyclictest41-21ksoftirqd/320:19:473
26638993125,4cyclictest41-21ksoftirqd/321:54:233
26638993125,4cyclictest41-21ksoftirqd/320:57:263
26638993112,16cyclictest22073-21sed00:35:183
26637993125,4cyclictest33-21ksoftirqd/223:45:342
26637993125,4cyclictest33-21ksoftirqd/223:39:082
26637993125,4cyclictest33-21ksoftirqd/219:43:122
26636993126,3cyclictest25-21ksoftirqd/123:13:301
26636993125,4cyclictest25-21ksoftirqd/122:53:001
26636993125,4cyclictest25-21ksoftirqd/122:25:381
26636993125,4cyclictest25-21ksoftirqd/122:12:301
26636993125,4cyclictest25-21ksoftirqd/120:22:381
26636993125,4cyclictest25-21ksoftirqd/119:38:251
26635993128,2cyclictest9-21ksoftirqd/000:30:190
26635993126,3cyclictest9-21ksoftirqd/023:02:130
26635993126,3cyclictest9-21ksoftirqd/022:33:140
26635993126,3cyclictest9-21ksoftirqd/020:30:000
26635993125,4cyclictest9-21ksoftirqd/023:52:540
26635993125,4cyclictest9-21ksoftirqd/022:27:050
26635993125,4cyclictest9-21ksoftirqd/022:21:190
26635993125,3cyclictest9-21ksoftirqd/023:20:140
26638993025,3cyclictest41-21ksoftirqd/323:56:143
26638993025,3cyclictest41-21ksoftirqd/321:47:523
26638993024,4cyclictest41-21ksoftirqd/319:58:213
26637993025,3cyclictest33-21ksoftirqd/223:03:162
26637993025,3cyclictest33-21ksoftirqd/200:12:182
26637993025,2cyclictest33-21ksoftirqd/221:44:252
26637993024,4cyclictest33-21ksoftirqd/223:27:572
26637993024,4cyclictest33-21ksoftirqd/222:58:042
26637993024,4cyclictest33-21ksoftirqd/222:07:252
26637993024,4cyclictest33-21ksoftirqd/219:20:412
26637993024,3cyclictest33-21ksoftirqd/200:29:332
26637993024,3cyclictest33-21ksoftirqd/200:29:332
26636993025,3cyclictest25-21ksoftirqd/122:35:071
26636993025,3cyclictest25-21ksoftirqd/120:07:041
26636993025,3cyclictest25-21ksoftirqd/100:18:051
26636993024,4cyclictest25-21ksoftirqd/120:59:291
26636993024,4cyclictest25-21ksoftirqd/120:30:041
26636993024,4cyclictest25-21ksoftirqd/120:14:171
26636993024,4cyclictest25-21ksoftirqd/119:47:251
26636993024,4cyclictest25-21ksoftirqd/100:38:521
26636993024,4cyclictest25-21ksoftirqd/100:09:111
26635993026,3cyclictest9-21ksoftirqd/021:10:000
26635993026,3cyclictest9-21ksoftirqd/020:35:130
26635993026,2cyclictest9-21ksoftirqd/023:05:140
26635993025,3cyclictest9-21ksoftirqd/022:50:180
26635993025,3cyclictest9-21ksoftirqd/022:45:120
2663599302,2cyclictest9-21ksoftirqd/020:05:180
26638992925,3cyclictest41-21ksoftirqd/321:32:013
26638992924,3cyclictest41-21ksoftirqd/323:22:593
26638992924,3cyclictest41-21ksoftirqd/322:40:143
26638992924,3cyclictest41-21ksoftirqd/320:36:223
26638992924,3cyclictest41-21ksoftirqd/319:44:233
26638992924,3cyclictest41-21ksoftirqd/319:34:473
26638992923,4cyclictest41-21ksoftirqd/321:58:003
26638992923,4cyclictest41-21ksoftirqd/319:17:493
26638992913,14cyclictest18864-21/usr/sbin/munin00:30:243
26638992911,15cyclictest31406-21irqstats20:25:193
26637992924,3cyclictest33-21ksoftirqd/223:16:072
26637992924,3cyclictest33-21ksoftirqd/222:43:542
26637992924,3cyclictest33-21ksoftirqd/222:26:132
26637992924,3cyclictest33-21ksoftirqd/200:40:012
26637992924,3cyclictest33-21ksoftirqd/200:05:282
26637992923,4cyclictest33-21ksoftirqd/219:11:552
26636992924,3cyclictest25-21ksoftirqd/123:40:061
26636992924,3cyclictest25-21ksoftirqd/121:50:441
26636992924,3cyclictest25-21ksoftirqd/121:44:451
26636992924,3cyclictest25-21ksoftirqd/120:15:161
26636992924,3cyclictest25-21ksoftirqd/100:11:361
26635992925,2cyclictest9-21ksoftirqd/021:45:200
26635992924,3cyclictest9-21ksoftirqd/023:30:140
26635992924,3cyclictest9-21ksoftirqd/019:55:200
2663899288,17cyclictest8034-21dpkg23:00:103
2663899288,17cyclictest20148-21cpuspeed_turbos21:10:133
26638992823,3cyclictest41-21ksoftirqd/323:26:323
26638992823,3cyclictest41-21ksoftirqd/323:09:423
26638992823,3cyclictest41-21ksoftirqd/321:27:033
26638992822,4cyclictest41-21ksoftirqd/323:43:583
26638992822,4cyclictest41-21ksoftirqd/322:29:373
26638992822,4cyclictest41-21ksoftirqd/322:08:553
26638992812,14cyclictest14267-21timedrift23:10:243
26638992810,15cyclictest11735-21/usr/sbin/munin00:15:143
26637992823,3cyclictest33-21ksoftirqd/222:52:002
26637992823,3cyclictest33-21ksoftirqd/220:26:172
26637992823,3cyclictest33-21ksoftirqd/219:55:322
26637992823,3cyclictest33-21ksoftirqd/200:01:222
26636992823,3cyclictest25-21ksoftirqd/123:16:011
26636992823,3cyclictest25-21ksoftirqd/121:20:001
26636992822,4cyclictest25-21ksoftirqd/123:51:151
26636992822,4cyclictest25-21ksoftirqd/122:44:071
26638992722,3cyclictest41-21ksoftirqd/322:38:503
26638992722,3cyclictest41-21ksoftirqd/300:24:473
26638992721,4cyclictest41-21ksoftirqd/322:50:023
26637992722,3cyclictest33-21ksoftirqd/220:13:022
26637992721,3cyclictest7452-21kernelversion19:35:192
26636992722,3cyclictest25-21ksoftirqd/123:08:491
2663699270,2cyclictest121rcu_preempt19:23:081
2663899269,14cyclictest2622-21needreboot19:25:213
26638992621,3cyclictest41-21ksoftirqd/322:56:563
26637992620,4cyclictest33-21ksoftirqd/221:10:412
26636992621,3cyclictest25-21ksoftirqd/123:55:481
26636992621,3cyclictest25-21ksoftirqd/123:04:451
26636992621,3cyclictest25-21ksoftirqd/121:28:161
26637992520,3cyclictest33-21ksoftirqd/222:48:262
26637992519,4cyclictest33-21ksoftirqd/221:05:432
26636992520,3cyclictest25-21ksoftirqd/119:15:011
26636992519,4cyclictest25-21ksoftirqd/122:17:431
26636992519,4cyclictest25-21ksoftirqd/121:38:551
139391250,0ptp4l401ktimersoftd/323:30:133
26637992418,2cyclictest33-21ksoftirqd/220:05:272
139391240,0ptp4l401ktimersoftd/321:20:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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