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2026-03-22 - 20:07
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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 all highest latencies:
System rackdslot2.osadl.org (updated Sun Mar 22, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323462237182,46sleep00-21swapper/007:09:110
139591214170,32phc2sys0-21swapper/307:07:553
321692207179,18sleep10-21swapper/107:06:581
320652205170,23sleep20-21swapper/207:05:392
2652121280,1sleep30-21swapper/309:10:203
241432610,1sleep20-21swapper/212:30:012
80252590,2sleep20-21swapper/211:55:142
259202590,5sleep225923-21fschecks_count09:10:152
38042450,1sleep20-21swapper/209:30:202
32706994526,16cyclictest41-21ksoftirqd/308:57:373
3270599453,39cyclictest217-21systemd-journal09:25:012
3270499450,43cyclictest0-21swapper/108:45:251
139291420,0ptp4l401ktimersoftd/310:50:133
139291420,0ptp4l401ktimersoftd/308:18:263
3270699410,38cyclictest9753-21cron12:00:003
32704994035,3cyclictest14509-21cron12:10:011
32703994035,3cyclictest9-21ksoftirqd/012:40:000
32703994034,3cyclictest9-21ksoftirqd/007:20:010
139291400,0ptp4l401ktimersoftd/311:41:533
139291390,1ptp4l401ktimersoftd/309:45:083
32706993833,3cyclictest41-21ksoftirqd/310:00:003
32705993832,4cyclictest33-21ksoftirqd/207:41:102
32703993834,2cyclictest9-21ksoftirqd/010:30:180
139291380,0ptp4l401ktimersoftd/310:36:533
32706993731,4cyclictest41-21ksoftirqd/311:17:163
32706993731,4cyclictest41-21ksoftirqd/310:09:373
32706993731,4cyclictest41-21ksoftirqd/308:31:093
32706993731,4cyclictest41-21ksoftirqd/307:40:583
32706993731,4cyclictest41-21ksoftirqd/307:27:273
32706993730,4cyclictest41-21ksoftirqd/307:15:133
32705993732,3cyclictest33-21ksoftirqd/209:05:442
32705993731,4cyclictest33-21ksoftirqd/212:35:122
32705993731,4cyclictest33-21ksoftirqd/208:34:362
32705993731,4cyclictest33-21ksoftirqd/208:29:272
32705993731,4cyclictest33-21ksoftirqd/208:10:252
32705993731,4cyclictest33-21ksoftirqd/208:10:252
32705993731,4cyclictest33-21ksoftirqd/207:53:532
32704993731,4cyclictest25-21ksoftirqd/107:20:581
32704993730,4cyclictest3642-21sh10:40:011
32704993730,4cyclictest25-21ksoftirqd/111:52:051
32703993732,3cyclictest9-21ksoftirqd/012:20:180
32703993732,3cyclictest9-21ksoftirqd/012:00:000
32703993732,3cyclictest9-21ksoftirqd/011:30:000
32703993732,3cyclictest9-21ksoftirqd/011:20:000
32703993732,3cyclictest9-21ksoftirqd/009:40:000
32703993732,3cyclictest9-21ksoftirqd/007:35:000
32703993732,2cyclictest9-21ksoftirqd/011:40:000
32703993731,4cyclictest9-21ksoftirqd/007:38:020
32703993731,3cyclictest9-21ksoftirqd/009:00:010
32703993731,3cyclictest9-21ksoftirqd/008:50:280
32703993729,5cyclictest9-21ksoftirqd/008:32:320
139291370,0ptp4l401ktimersoftd/311:00:113
32706993631,3cyclictest41-21ksoftirqd/307:33:043
32706993630,4cyclictest41-21ksoftirqd/312:27:173
32706993630,4cyclictest41-21ksoftirqd/310:12:103
32706993630,4cyclictest41-21ksoftirqd/309:30:053
32705993631,3cyclictest33-21ksoftirqd/208:39:382
32705993630,4cyclictest33-21ksoftirqd/211:01:192
32705993630,4cyclictest33-21ksoftirqd/210:53:262
32705993630,4cyclictest33-21ksoftirqd/209:16:532
32705993629,5cyclictest33-21ksoftirqd/208:08:212
32705993622,12cyclictest33-21ksoftirqd/210:00:432
32704993631,3cyclictest25-21ksoftirqd/111:25:121
32704993630,4cyclictest25-21ksoftirqd/112:20:451
32704993630,4cyclictest25-21ksoftirqd/111:20:031
32704993630,4cyclictest25-21ksoftirqd/109:57:391
32704993630,4cyclictest25-21ksoftirqd/109:22:091
32704993630,4cyclictest25-21ksoftirqd/109:02:231
32704993630,4cyclictest25-21ksoftirqd/108:25:531
32704993630,4cyclictest25-21ksoftirqd/108:16:501
32704993630,4cyclictest25-21ksoftirqd/107:18:331
32704993629,4cyclictest25-21ksoftirqd/112:33:001
32703993631,3cyclictest9-21ksoftirqd/009:15:120
32703993630,4cyclictest9-21ksoftirqd/011:11:560
3270399361,32cyclictest2464-21cron07:15:000
32706993530,3cyclictest41-21ksoftirqd/307:13:443
32706993529,4cyclictest41-21ksoftirqd/312:34:153
32706993529,4cyclictest41-21ksoftirqd/308:48:133
32705993530,3cyclictest33-21ksoftirqd/211:15:112
32705993530,3cyclictest33-21ksoftirqd/210:40:412
32705993529,4cyclictest33-21ksoftirqd/212:23:032
32704993530,3cyclictest25-21ksoftirqd/107:50:001
32704993529,4cyclictest25-21ksoftirqd/109:52:261
32704993529,4cyclictest25-21ksoftirqd/108:56:221
32704993529,4cyclictest25-21ksoftirqd/107:35:391
32703993531,2cyclictest9-21ksoftirqd/011:50:190
32703993530,3cyclictest9-21ksoftirqd/008:39:590
32703993530,3cyclictest9-21ksoftirqd/007:50:010
32703993529,4cyclictest9-21ksoftirqd/010:02:280
32703993529,3cyclictest9-21ksoftirqd/009:55:100
32703993528,4cyclictest9-21ksoftirqd/008:17:260
32706993428,4cyclictest41-21ksoftirqd/312:23:283
32706993428,4cyclictest41-21ksoftirqd/312:00:373
32706993428,4cyclictest41-21ksoftirqd/311:34:543
32706993428,4cyclictest41-21ksoftirqd/309:25:503
32706993428,4cyclictest41-21ksoftirqd/309:25:493
32706993428,4cyclictest41-21ksoftirqd/309:18:023
32706993428,4cyclictest41-21ksoftirqd/308:22:463
32706993428,4cyclictest41-21ksoftirqd/307:52:013
32705993429,3cyclictest33-21ksoftirqd/209:35:122
32705993428,4cyclictest33-21ksoftirqd/212:33:012
32705993428,4cyclictest33-21ksoftirqd/212:02:492
32705993428,4cyclictest33-21ksoftirqd/211:45:322
32705993428,4cyclictest33-21ksoftirqd/211:25:062
32705993428,4cyclictest33-21ksoftirqd/211:15:002
32705993428,4cyclictest33-21ksoftirqd/210:31:382
32705993428,4cyclictest33-21ksoftirqd/210:14:532
32705993428,4cyclictest33-21ksoftirqd/208:48:572
32705993428,4cyclictest33-21ksoftirqd/208:44:472
32705993428,4cyclictest33-21ksoftirqd/208:21:132
32705993428,4cyclictest33-21ksoftirqd/207:34:152
32705993412,20cyclictest22517-21seq09:00:302
32704993429,3cyclictest25-21ksoftirqd/112:01:481
32704993429,3cyclictest25-21ksoftirqd/110:55:001
32704993428,4cyclictest25-21ksoftirqd/112:26:181
32704993428,4cyclictest25-21ksoftirqd/112:11:421
32704993428,4cyclictest25-21ksoftirqd/111:37:281
32704993428,4cyclictest25-21ksoftirqd/111:11:571
32704993428,4cyclictest25-21ksoftirqd/110:23:191
32704993428,4cyclictest25-21ksoftirqd/109:33:171
32704993428,4cyclictest25-21ksoftirqd/108:00:541
32704993428,3cyclictest8390-21uname09:40:181
32703993429,3cyclictest9-21ksoftirqd/011:20:010
32703993429,3cyclictest9-21ksoftirqd/010:55:130
32703993429,3cyclictest9-21ksoftirqd/009:49:530
32703993429,3cyclictest9-21ksoftirqd/007:44:470
32703993428,4cyclictest9-21ksoftirqd/012:34:520
32703993428,4cyclictest9-21ksoftirqd/008:05:340
32703993428,3cyclictest9-21ksoftirqd/010:07:530
32703993428,3cyclictest9-21ksoftirqd/008:42:340
32703993428,3cyclictest9-21ksoftirqd/007:25:200
139291340,2ptp4l3270699cyclictest09:42:303
139291340,1ptp4l0-21swapper/308:54:403
32706993329,3cyclictest41-21ksoftirqd/308:13:503
32706993329,3cyclictest41-21ksoftirqd/308:13:503
32706993328,3cyclictest41-21ksoftirqd/310:02:243
32706993328,3cyclictest41-21ksoftirqd/309:21:083
32706993327,4cyclictest41-21ksoftirqd/309:09:043
32706993326,5cyclictest41-21ksoftirqd/308:00:423
32705993330,2cyclictest33-21ksoftirqd/209:50:102
32705993328,3cyclictest33-21ksoftirqd/209:27:112
32705993328,3cyclictest33-21ksoftirqd/209:27:112
32705993327,4cyclictest33-21ksoftirqd/211:39:102
32705993327,4cyclictest33-21ksoftirqd/211:30:592
32705993327,4cyclictest33-21ksoftirqd/211:20:282
32705993327,4cyclictest33-21ksoftirqd/210:39:322
32705993327,4cyclictest33-21ksoftirqd/209:55:562
32705993327,4cyclictest33-21ksoftirqd/208:51:222
32705993327,4cyclictest33-21ksoftirqd/208:04:592
32705993327,4cyclictest33-21ksoftirqd/207:48:322
32704993327,4cyclictest25-21ksoftirqd/111:55:461
32704993327,4cyclictest25-21ksoftirqd/110:25:521
32704993327,4cyclictest25-21ksoftirqd/108:36:371
32704993327,4cyclictest25-21ksoftirqd/108:33:041
32704993327,4cyclictest25-21ksoftirqd/108:13:101
32704993327,4cyclictest25-21ksoftirqd/108:13:091
32704993327,3cyclictest25-21ksoftirqd/112:15:131
32703993329,3cyclictest9-21ksoftirqd/010:45:170
32703993329,2cyclictest9-21ksoftirqd/008:05:000
32703993328,3cyclictest9-21ksoftirqd/012:25:200
32703993328,3cyclictest9-21ksoftirqd/011:47:490
32703993328,3cyclictest9-21ksoftirqd/009:44:150
32703993328,3cyclictest9-21ksoftirqd/008:25:010
32703993327,4cyclictest9-21ksoftirqd/012:02:430
32703993327,4cyclictest9-21ksoftirqd/011:02:090
32703993327,4cyclictest9-21ksoftirqd/009:13:050
32703993327,4cyclictest9-21ksoftirqd/008:25:490
32703993327,4cyclictest9-21ksoftirqd/007:53:310
17872330,6sleep125-21ksoftirqd/108:20:151
139291330,1ptp4l0-21swapper/310:16:033
139291330,0ptp4l401ktimersoftd/311:38:073
139291330,0ptp4l401ktimersoftd/310:20:133
32706993227,3cyclictest41-21ksoftirqd/311:45:203
32706993227,3cyclictest41-21ksoftirqd/310:55:583
32706993226,4cyclictest41-21ksoftirqd/311:21:503
32706993226,4cyclictest41-21ksoftirqd/310:47:203
32706993226,4cyclictest41-21ksoftirqd/309:52:123
32706993226,4cyclictest41-21ksoftirqd/308:41:553
32706993226,4cyclictest27898-21systemctl08:05:263
32705993227,3cyclictest33-21ksoftirqd/211:41:412
32705993227,3cyclictest33-21ksoftirqd/209:41:192
32705993227,3cyclictest33-21ksoftirqd/208:00:002
32705993226,4cyclictest33-21ksoftirqd/210:55:062
32705993226,4cyclictest33-21ksoftirqd/210:24:162
32705993226,4cyclictest33-21ksoftirqd/209:47:422
32705993226,4cyclictest33-21ksoftirqd/207:26:442
32705993226,4cyclictest33-21ksoftirqd/207:23:362
32705993211,19cyclictest4349-21sed07:15:282
32704993227,3cyclictest25-21ksoftirqd/111:34:251
32704993227,3cyclictest25-21ksoftirqd/111:04:231
32704993227,3cyclictest25-21ksoftirqd/109:15:461
32704993227,3cyclictest25-21ksoftirqd/107:53:031
32704993227,3cyclictest25-21ksoftirqd/107:25:341
32704993226,4cyclictest25-21ksoftirqd/110:56:201
32704993226,4cyclictest25-21ksoftirqd/110:07:271
32704993226,4cyclictest25-21ksoftirqd/109:05:051
32703993226,3cyclictest9-21ksoftirqd/012:06:480
32703993226,3cyclictest9-21ksoftirqd/010:43:160
32703993226,3cyclictest9-21ksoftirqd/008:10:100
32703993226,3cyclictest9-21ksoftirqd/008:10:100
139291320,9ptp4l0-21swapper/307:36:363
32706993126,3cyclictest41-21ksoftirqd/310:25:333
32706993125,4cyclictest41-21ksoftirqd/311:28:123
32705993126,3cyclictest33-21ksoftirqd/210:09:342
32705993126,3cyclictest33-21ksoftirqd/207:36:112
32705993125,4cyclictest33-21ksoftirqd/212:07:182
32704993126,3cyclictest25-21ksoftirqd/112:38:211
32704993126,3cyclictest25-21ksoftirqd/111:40:121
32704993126,3cyclictest25-21ksoftirqd/111:07:111
32704993126,3cyclictest25-21ksoftirqd/108:06:451
32704993125,4cyclictest25-21ksoftirqd/111:48:361
32704993125,4cyclictest25-21ksoftirqd/110:47:501
32704993125,3cyclictest25-21ksoftirqd/108:40:101
32703993127,2cyclictest9-21ksoftirqd/012:15:000
32703993126,3cyclictest9-21ksoftirqd/010:21:140
32703993126,3cyclictest9-21ksoftirqd/009:20:330
32703993125,4cyclictest9-21ksoftirqd/009:27:500
32703993125,4cyclictest9-21ksoftirqd/009:27:500
139291310,0ptp4l401ktimersoftd/311:11:393
32706993025,3cyclictest41-21ksoftirqd/312:07:253
32706993025,3cyclictest41-21ksoftirqd/311:08:103
32706993024,4cyclictest41-21ksoftirqd/312:18:023
32706993024,4cyclictest41-21ksoftirqd/311:51:063
32706993024,4cyclictest41-21ksoftirqd/308:27:163
32705993025,3cyclictest33-21ksoftirqd/210:47:302
32705993025,3cyclictest33-21ksoftirqd/210:28:052
32705993024,4cyclictest33-21ksoftirqd/211:54:062
32705993024,4cyclictest33-21ksoftirqd/210:17:152
32705993024,4cyclictest33-21ksoftirqd/208:15:122
32704993024,4cyclictest25-21ksoftirqd/110:10:391
32704993024,4cyclictest25-21ksoftirqd/108:51:321
32703993025,3cyclictest9-21ksoftirqd/010:25:430
32703993025,3cyclictest9-21ksoftirqd/010:15:000
32703993025,3cyclictest9-21ksoftirqd/009:08:200
32703993025,3cyclictest9-21ksoftirqd/007:58:380
32705992924,3cyclictest33-21ksoftirqd/207:13:002
32705992923,4cyclictest33-21ksoftirqd/212:12:312
32705992910,16cyclictest16186-21cat11:05:132
32704992924,3cyclictest25-21ksoftirqd/110:43:251
32704992924,3cyclictest25-21ksoftirqd/110:18:581
32704992924,3cyclictest25-21ksoftirqd/107:40:111
32703992924,3cyclictest9-21ksoftirqd/011:30:190
32703992924,3cyclictest9-21ksoftirqd/010:53:560
32703992924,3cyclictest9-21ksoftirqd/010:39:100
32703992924,3cyclictest9-21ksoftirqd/010:15:130
32706992823,3cyclictest41-21ksoftirqd/312:38:443
32706992823,3cyclictest41-21ksoftirqd/310:31:163
32706992823,3cyclictest41-21ksoftirqd/307:46:143
32706992822,4cyclictest41-21ksoftirqd/310:43:433
32706992822,4cyclictest41-21ksoftirqd/309:00:543
32705992822,4cyclictest33-21ksoftirqd/208:59:202
32704992823,3cyclictest25-21ksoftirqd/110:33:111
32704992823,3cyclictest25-21ksoftirqd/107:35:001
32704992822,4cyclictest25-21ksoftirqd/109:38:261
32703992823,3cyclictest9-21ksoftirqd/007:20:180
32706992722,3cyclictest41-21ksoftirqd/312:13:213
32705992722,3cyclictest33-21ksoftirqd/212:19:442
32703992722,3cyclictest9-21ksoftirqd/011:05:260
32703992722,3cyclictest9-21ksoftirqd/009:30:150
32703992722,3cyclictest9-21ksoftirqd/009:00:190
32703992722,3cyclictest9-21ksoftirqd/008:48:330
32703992721,4cyclictest9-21ksoftirqd/011:43:010
32706992620,4cyclictest41-21ksoftirqd/308:39:203
32704992621,3cyclictest25-21ksoftirqd/109:28:001
32704992621,3cyclictest25-21ksoftirqd/109:27:591
32703992621,3cyclictest9-21ksoftirqd/012:15:190
139291260,0ptp4l401ktimersoftd/309:36:283
139291260,0ptp4l401ktimersoftd/307:57:353
32706992520,3cyclictest41-21ksoftirqd/307:20:383
32704992520,3cyclictest25-21ksoftirqd/110:03:221
32704992519,4cyclictest25-21ksoftirqd/111:18:311
32704992519,4cyclictest25-21ksoftirqd/107:10:591
32703992521,2cyclictest9-21ksoftirqd/009:50:170
32704992419,3cyclictest25-21ksoftirqd/107:58:591
32704992217,3cyclictest25-21ksoftirqd/109:13:421
32704991610,3cyclictest25-21ksoftirqd/109:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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