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2026-09-13 - 11:14
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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 highest latencies:
System rackdslot2.osadl.org (updated Sun Sep 13, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6242230163,22sleep30-21swapper/319:06:173
8792206173,23sleep20-21swapper/219:09:262
7332206171,23sleep00-21swapper/019:07:320
9092203169,23sleep10-21swapper/119:09:491
41298900,68rtkit-daemon0-21swapper/119:10:021
105082600,1sleep30-21swapper/300:00:153
46102540,1sleep10-21swapper/123:45:251
139291540,1ptp4l401ktimersoftd/322:02:353
139291530,1ptp4l401ktimersoftd/321:36:333
135291530,2getstats0-21swapper/320:35:103
139291430,0ptp4l401ktimersoftd/322:49:483
135291430,2getstats0-21swapper/321:05:123
135291420,2getstats0-21swapper/319:30:103
1219994238,3cyclictest41-21ksoftirqd/300:00:013
135291410,1getstats0-21swapper/322:35:113
135291410,1getstats0-21swapper/320:05:103
1219994137,2cyclictest41-21ksoftirqd/319:55:003
41298400,3rtkit-daemon9376-21irqstats19:25:210
41298400,10rtkit-daemon411-21rtkit-daemon22:43:182
1219994034,3cyclictest41-21ksoftirqd/323:20:003
1219993934,3cyclictest41-21ksoftirqd/319:25:143
1219993934,3cyclictest41-21ksoftirqd/300:40:003
1219993832,4cyclictest41-21ksoftirqd/322:07:023
1219993832,4cyclictest41-21ksoftirqd/320:12:533
1219993832,3cyclictest41-21ksoftirqd/321:20:003
1219993832,3cyclictest41-21ksoftirqd/320:30:143
1218993832,4cyclictest33-21ksoftirqd/220:59:332
1218993831,4cyclictest33-21ksoftirqd/221:14:262
1218993820,16cyclictest33-21ksoftirqd/223:23:462
1217993831,4cyclictest25-21ksoftirqd/122:14:261
41298370,3rtkit-daemon26358-21diskstats23:25:141
41298370,2rtkit-daemon1-21systemd00:09:260
139291370,0ptp4l401ktimersoftd/320:45:213
139291370,0ptp4l401ktimersoftd/300:28:293
1219993732,3cyclictest41-21ksoftirqd/321:04:563
1219993732,3cyclictest41-21ksoftirqd/320:27:253
1219993731,4cyclictest41-21ksoftirqd/322:13:443
1219993731,4cyclictest41-21ksoftirqd/321:49:023
1219993731,4cyclictest41-21ksoftirqd/320:20:563
1219993731,4cyclictest41-21ksoftirqd/319:56:123
1219993730,4cyclictest41-21ksoftirqd/320:00:113
1219993730,4cyclictest41-21ksoftirqd/319:45:143
1218993731,4cyclictest33-21ksoftirqd/220:02:172
1218993731,4cyclictest33-21ksoftirqd/219:10:052
1218993730,4cyclictest33-21ksoftirqd/222:17:042
1218993730,4cyclictest33-21ksoftirqd/200:17:112
1217993732,3cyclictest25-21ksoftirqd/121:20:001
1217993731,4cyclictest25-21ksoftirqd/120:57:361
1217993730,4cyclictest25-21ksoftirqd/100:20:101
1216993732,2cyclictest9-21ksoftirqd/022:05:000
1219993632,3cyclictest41-21ksoftirqd/322:25:243
1219993631,3cyclictest41-21ksoftirqd/320:45:003
1219993631,2cyclictest41-21ksoftirqd/323:40:003
1219993630,4cyclictest41-21ksoftirqd/323:45:433
1219993630,4cyclictest41-21ksoftirqd/322:54:363
1219993630,4cyclictest41-21ksoftirqd/321:10:433
1219993630,4cyclictest41-21ksoftirqd/300:13:473
1219993629,4cyclictest41-21ksoftirqd/322:55:203
1218993631,3cyclictest33-21ksoftirqd/222:00:002
1218993631,3cyclictest33-21ksoftirqd/221:00:132
1218993631,3cyclictest33-21ksoftirqd/220:00:002
1218993630,4cyclictest33-21ksoftirqd/200:25:382
1218993629,4cyclictest33-21ksoftirqd/220:28:322
1217993630,4cyclictest25-21ksoftirqd/121:12:051
1217993630,4cyclictest25-21ksoftirqd/120:33:581
1217993630,4cyclictest25-21ksoftirqd/120:07:571
1217993630,4cyclictest25-21ksoftirqd/119:51:421
1217993630,3cyclictest25-21ksoftirqd/122:26:541
1217993628,5cyclictest25-21ksoftirqd/120:42:481
1216993632,2cyclictest9-21ksoftirqd/000:00:010
1216993630,4cyclictest9-21ksoftirqd/022:14:300
1216993630,4cyclictest9-21ksoftirqd/020:31:350
1216993630,3cyclictest9-21ksoftirqd/021:25:180
1216993630,3cyclictest9-21ksoftirqd/000:35:010
1216993629,4cyclictest9-21ksoftirqd/023:15:350
1216993629,4cyclictest9-21ksoftirqd/021:35:380
1216993629,4cyclictest9-21ksoftirqd/020:36:130
1216993628,5cyclictest9-21ksoftirqd/021:42:320
1216993628,4cyclictest9-21ksoftirqd/000:05:010
1219993530,3cyclictest41-21ksoftirqd/323:55:003
1219993530,3cyclictest41-21ksoftirqd/322:30:183
1219993529,4cyclictest41-21ksoftirqd/323:23:213
1219993529,4cyclictest41-21ksoftirqd/320:56:263
1218993530,3cyclictest33-21ksoftirqd/223:51:242
1218993530,3cyclictest33-21ksoftirqd/219:50:172
1218993529,4cyclictest33-21ksoftirqd/220:40:322
1218993529,4cyclictest33-21ksoftirqd/200:21:052
1218993523,3cyclictest33-21ksoftirqd/223:57:002
1217993530,3cyclictest25-21ksoftirqd/121:59:261
1217993530,3cyclictest25-21ksoftirqd/121:07:441
1217993530,3cyclictest25-21ksoftirqd/120:23:581
1217993530,3cyclictest25-21ksoftirqd/119:22:571
1217993529,4cyclictest25-21ksoftirqd/122:17:391
1216993530,3cyclictest9-21ksoftirqd/023:46:360
1216993529,4cyclictest9-21ksoftirqd/020:40:480
1216993529,3cyclictest9-21ksoftirqd/023:05:120
1216993529,3cyclictest9-21ksoftirqd/000:20:120
1216993528,4cyclictest9-21ksoftirqd/020:26:460
139291340,0ptp4l401ktimersoftd/321:25:203
1219993429,3cyclictest41-21ksoftirqd/322:40:133
1219993429,3cyclictest41-21ksoftirqd/320:50:113
1219993429,3cyclictest41-21ksoftirqd/319:15:463
1219993428,4cyclictest41-21ksoftirqd/323:42:143
1219993428,4cyclictest41-21ksoftirqd/323:12:053
1219993428,4cyclictest41-21ksoftirqd/300:32:053
1219993428,4cyclictest41-21ksoftirqd/300:20:543
1218993430,3cyclictest33-21ksoftirqd/219:23:452
1218993429,3cyclictest33-21ksoftirqd/219:19:082
1218993428,4cyclictest33-21ksoftirqd/223:33:152
1218993428,4cyclictest33-21ksoftirqd/219:48:082
1218993428,3cyclictest33-21ksoftirqd/222:51:052
1218993428,3cyclictest33-21ksoftirqd/219:28:092
1218993427,4cyclictest33-21ksoftirqd/220:15:122
1218993427,4cyclictest33-21ksoftirqd/220:07:552
1218993427,4cyclictest33-21ksoftirqd/219:32:442
1217993428,4cyclictest25-21ksoftirqd/123:44:051
1217993428,4cyclictest25-21ksoftirqd/123:37:151
1217993428,4cyclictest25-21ksoftirqd/122:55:141
1217993428,4cyclictest25-21ksoftirqd/121:29:531
1217993428,4cyclictest25-21ksoftirqd/119:28:311
1217993427,5cyclictest25-21ksoftirqd/122:40:101
1217993427,4cyclictest25-21ksoftirqd/119:15:321
1216993429,3cyclictest9-21ksoftirqd/023:35:130
1216993429,3cyclictest9-21ksoftirqd/022:45:000
1216993429,3cyclictest9-21ksoftirqd/022:30:110
1216993428,4cyclictest9-21ksoftirqd/020:05:330
1216993428,3cyclictest9-21ksoftirqd/023:43:360
1216993427,4cyclictest9-21ksoftirqd/023:22:090
1216993427,4cyclictest9-21ksoftirqd/023:11:100
1216993427,4cyclictest9-21ksoftirqd/019:20:420
1219993328,3cyclictest41-21ksoftirqd/321:42:493
1219993328,3cyclictest41-21ksoftirqd/320:16:243
1219993327,4cyclictest41-21ksoftirqd/321:53:263
1219993326,3cyclictest41-21ksoftirqd/322:19:593
1218993329,3cyclictest33-21ksoftirqd/221:23:452
1218993328,3cyclictest33-21ksoftirqd/223:48:052
1218993328,3cyclictest33-21ksoftirqd/222:55:232
1218993328,3cyclictest33-21ksoftirqd/221:28:372
1218993327,4cyclictest33-21ksoftirqd/221:40:462
1218993327,4cyclictest33-21ksoftirqd/200:38:592
1218993326,4cyclictest33-21ksoftirqd/220:46:152
1218993322,9cyclictest33-21ksoftirqd/219:35:232
1217993329,3cyclictest25-21ksoftirqd/121:02:301
1217993328,3cyclictest25-21ksoftirqd/122:49:241
1217993328,3cyclictest25-21ksoftirqd/122:39:411
1217993327,4cyclictest25-21ksoftirqd/119:59:081
1217993327,4cyclictest25-21ksoftirqd/119:41:501
1217993327,4cyclictest25-21ksoftirqd/100:03:341
1217993327,3cyclictest25-21ksoftirqd/121:37:031
1217993326,4cyclictest25-21ksoftirqd/121:30:501
1217993326,4cyclictest25-21ksoftirqd/121:21:591
1217993326,4cyclictest25-21ksoftirqd/100:12:131
1216993329,3cyclictest9-21ksoftirqd/000:15:000
1216993328,3cyclictest9-21ksoftirqd/022:50:190
1216993327,4cyclictest9-21ksoftirqd/023:33:210
1216993327,4cyclictest9-21ksoftirqd/021:00:520
1216993327,3cyclictest9-21ksoftirqd/023:05:000
1216993327,3cyclictest17754-21ls19:45:010
1216993326,4cyclictest9-21ksoftirqd/000:39:480
1219993227,3cyclictest41-21ksoftirqd/323:05:243
1219993225,4cyclictest41-21ksoftirqd/300:15:333
1218993227,3cyclictest33-21ksoftirqd/223:10:212
1218993227,3cyclictest33-21ksoftirqd/223:07:252
1218993227,3cyclictest33-21ksoftirqd/222:47:292
1218993227,3cyclictest33-21ksoftirqd/222:36:262
1218993227,3cyclictest33-21ksoftirqd/221:52:212
1218993226,4cyclictest33-21ksoftirqd/221:33:162
1218993225,4cyclictest33-21ksoftirqd/222:33:012
1218993225,4cyclictest33-21ksoftirqd/221:48:042
1218993221,9cyclictest33-21ksoftirqd/222:10:242
1217993227,3cyclictest25-21ksoftirqd/123:22:491
1217993227,3cyclictest25-21ksoftirqd/121:52:481
1217993227,3cyclictest25-21ksoftirqd/100:17:131
1217993226,4cyclictest25-21ksoftirqd/123:31:451
1217993226,4cyclictest25-21ksoftirqd/123:06:021
1217993226,4cyclictest25-21ksoftirqd/122:50:371
1216993228,3cyclictest9-21ksoftirqd/022:00:000
1216993227,3cyclictest9-21ksoftirqd/020:50:200
1216993226,4cyclictest9-21ksoftirqd/000:18:060
1216993225,4cyclictest9-21ksoftirqd/022:55:340
1219993125,4cyclictest41-21ksoftirqd/319:44:573
1219993125,4cyclictest41-21ksoftirqd/300:08:303
1219993124,4cyclictest41-21ksoftirqd/323:00:063
1218993126,3cyclictest33-21ksoftirqd/221:08:502
1218993126,3cyclictest33-21ksoftirqd/220:30:052
1218993126,3cyclictest33-21ksoftirqd/220:12:312
1218993125,4cyclictest33-21ksoftirqd/223:19:182
1217993126,3cyclictest25-21ksoftirqd/120:26:471
1217993126,3cyclictest25-21ksoftirqd/120:15:201
1217993126,3cyclictest25-21ksoftirqd/120:01:461
1217993126,3cyclictest25-21ksoftirqd/100:37:401
1217993125,4cyclictest25-21ksoftirqd/100:10:001
1217993124,4cyclictest25-21ksoftirqd/120:51:181
1217993124,4cyclictest25-21ksoftirqd/120:12:311
1216993126,3cyclictest9-21ksoftirqd/022:20:100
1216993126,3cyclictest9-21ksoftirqd/021:50:000
1216993126,3cyclictest9-21ksoftirqd/021:15:150
1216993126,3cyclictest9-21ksoftirqd/021:10:200
1216993126,3cyclictest9-21ksoftirqd/019:50:200
1216993126,3cyclictest9-21ksoftirqd/019:32:420
1216993126,3cyclictest9-21ksoftirqd/019:20:000
1216993125,4cyclictest9-21ksoftirqd/021:32:380
1216993125,4cyclictest9-21ksoftirqd/019:11:440
1216993124,4cyclictest9-21ksoftirqd/020:58:110
1216993124,4cyclictest9-21ksoftirqd/020:04:550
121699311,28cyclictest184-21jbd2/mmcblk1p1-20:15:010
139291300,0ptp4l401ktimersoftd/319:10:223
1219993025,3cyclictest41-21ksoftirqd/323:30:183
1218993026,3cyclictest33-21ksoftirqd/220:51:582
1218993025,3cyclictest33-21ksoftirqd/222:22:482
1218993025,3cyclictest33-21ksoftirqd/221:17:352
1218993025,3cyclictest33-21ksoftirqd/200:30:182
1218993025,3cyclictest33-21ksoftirqd/200:04:492
1218993024,4cyclictest33-21ksoftirqd/220:36:592
1218993023,4cyclictest33-21ksoftirqd/223:44:462
1217993025,3cyclictest25-21ksoftirqd/123:51:461
1217993025,3cyclictest25-21ksoftirqd/123:02:311
1217993025,3cyclictest25-21ksoftirqd/119:45:111
1217993024,4cyclictest25-21ksoftirqd/123:11:551
1217993024,4cyclictest25-21ksoftirqd/122:21:121
1217993024,4cyclictest1-21systemd22:01:001
1216993026,3cyclictest9-21ksoftirqd/022:30:000
1216993025,2cyclictest9-21ksoftirqd/021:20:200
1216993024,3cyclictest9-21ksoftirqd/020:49:370
1216993023,4cyclictest9-21ksoftirqd/023:25:380
139291290,0ptp4l401ktimersoftd/322:20:143
1219992924,3cyclictest41-21ksoftirqd/321:56:113
1219992924,3cyclictest41-21ksoftirqd/321:30:383
1219992924,3cyclictest41-21ksoftirqd/321:20:203
1219992924,3cyclictest41-21ksoftirqd/319:23:193
1218992924,3cyclictest33-21ksoftirqd/223:29:172
1218992924,3cyclictest33-21ksoftirqd/223:04:422
1218992924,3cyclictest33-21ksoftirqd/222:03:232
1218992923,3cyclictest33-21ksoftirqd/200:11:002
1217992924,3cyclictest25-21ksoftirqd/120:49:011
1217992923,4cyclictest25-21ksoftirqd/123:59:411
1217992923,4cyclictest25-21ksoftirqd/119:39:051
1217992923,3cyclictest25-21ksoftirqd/121:44:581
1216992924,3cyclictest9-21ksoftirqd/000:25:400
1216992923,4cyclictest9-21ksoftirqd/022:39:410
1216992923,4cyclictest9-21ksoftirqd/022:06:270
1216992923,4cyclictest9-21ksoftirqd/021:54:160
1216992923,3cyclictest9-21ksoftirqd/019:59:300
1216992922,4cyclictest9-21ksoftirqd/020:21:520
1219992823,3cyclictest41-21ksoftirqd/323:25:573
1218992823,3cyclictest33-21ksoftirqd/221:37:152
1218992823,3cyclictest33-21ksoftirqd/200:08:012
1218992822,4cyclictest33-21ksoftirqd/223:38:202
1217992823,3cyclictest25-21ksoftirqd/123:16:451
1217992823,3cyclictest25-21ksoftirqd/119:34:451
1217992822,4cyclictest25-21ksoftirqd/100:29:181
1216992824,2cyclictest9-21ksoftirqd/019:35:130
1216992823,3cyclictest9-21ksoftirqd/022:50:000
1216992823,3cyclictest9-21ksoftirqd/021:05:190
1216992822,3cyclictest9-21ksoftirqd/023:50:210
1219992723,3cyclictest41-21ksoftirqd/319:35:243
1218992722,3cyclictest33-21ksoftirqd/220:21:362
1218992720,5cyclictest33-21ksoftirqd/222:27:492
1217992721,4cyclictest25-21ksoftirqd/121:45:591
1217992721,4cyclictest25-21ksoftirqd/120:37:381
1216992721,4cyclictest9-21ksoftirqd/020:16:040
1217992621,3cyclictest25-21ksoftirqd/122:30:241
1217992621,3cyclictest25-21ksoftirqd/122:06:391
1216992623,2cyclictest9-21ksoftirqd/022:15:190
1216992621,3cyclictest9-21ksoftirqd/019:50:000
1218992521,2cyclictest33-21ksoftirqd/222:05:202
1218992318,3cyclictest33-21ksoftirqd/219:40:192
1217992318,3cyclictest25-21ksoftirqd/100:30:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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