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2026-06-23 - 20:18
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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 rackdslot4.osadl.org (updated Tue Jun 23, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591206172,23phc2sys0-21swapper/307:06:373
158042205171,23sleep00-21swapper/007:07:270
158102200167,22sleep10-21swapper/107:07:321
137892200167,22sleep20-21swapper/207:05:082
1431921470,5sleep31630499cyclictest11:25:173
263142770,2sleep20-21swapper/209:40:122
138491610,1ptp4l401ktimersoftd/307:10:173
76892590,2sleep00-21swapper/007:55:240
316962550,2sleep30-21swapper/310:55:163
138491550,1ptp4l401ktimersoftd/310:29:173
252812530,2sleep10-21swapper/111:45:281
29772520,3sleep22980-21unixbench_multi07:45:282
1630299501,46cyclictest14701-21ps12:30:241
1630299501,46cyclictest14701-21ps12:30:241
16302994930,17cyclictest25-21ksoftirqd/112:17:371
1630499462,42cyclictest24301-21kworker/3:111:51:533
16302994639,4cyclictest15778-21sh08:15:011
16302994516,27cyclictest0-21swapper/109:50:241
16302994516,27cyclictest0-21swapper/109:50:231
16304994338,3cyclictest8539-21turbostat09:04:593
16302994316,26cyclictest0-21swapper/111:50:231
16302994315,27cyclictest0-21swapper/107:20:231
1630299430,41cyclictest0-21swapper/108:35:331
16302994237,3cyclictest30596-21awk12:00:001
135191420,1getstats0-21swapper/310:40:053
138491410,0ptp4l401ktimersoftd/310:45:313
138491410,0ptp4l401ktimersoftd/309:50:233
138491410,0ptp4l401ktimersoftd/309:50:223
138491410,0ptp4l401ktimersoftd/309:26:223
16304994012,27cyclictest16745-21kworker/3:110:31:543
16302994011,27cyclictest0-21swapper/110:10:241
16301994034,3cyclictest9-21ksoftirqd/007:19:590
16302993911,26cyclictest0-21swapper/110:00:231
138491390,23ptp4l35792irq/125-enp1s0-12:15:013
16303993833,3cyclictest33-21ksoftirqd/212:25:002
16303993831,5cyclictest33-21ksoftirqd/208:03:052
16303993831,5cyclictest33-21ksoftirqd/208:03:042
1630299389,27cyclictest0-21swapper/111:00:331
16304993732,3cyclictest41-21ksoftirqd/309:10:193
16304993731,4cyclictest41-21ksoftirqd/308:05:003
16304993731,4cyclictest41-21ksoftirqd/308:05:003
16303993732,3cyclictest33-21ksoftirqd/209:55:122
16303993731,4cyclictest33-21ksoftirqd/211:23:472
16303993731,4cyclictest33-21ksoftirqd/209:51:122
16303993731,4cyclictest33-21ksoftirqd/209:51:112
16303993731,4cyclictest33-21ksoftirqd/208:26:592
1630399370,35cyclictest0-21swapper/207:12:422
16302993710,25cyclictest0-21swapper/110:50:341
16301993730,5cyclictest9-21ksoftirqd/011:22:330
16304993631,3cyclictest41-21ksoftirqd/307:54:593
16304993630,4cyclictest41-21ksoftirqd/312:30:363
16304993630,4cyclictest41-21ksoftirqd/312:30:353
16304993630,4cyclictest41-21ksoftirqd/312:30:013
16304993630,4cyclictest41-21ksoftirqd/307:56:323
16303993630,4cyclictest33-21ksoftirqd/212:35:282
16303993630,4cyclictest33-21ksoftirqd/211:34:062
16303993630,4cyclictest33-21ksoftirqd/211:15:282
16303993630,4cyclictest33-21ksoftirqd/211:00:322
16303993630,4cyclictest33-21ksoftirqd/207:53:222
16303993629,4cyclictest33-21ksoftirqd/209:04:272
1630299367,27cyclictest0-21swapper/108:00:331
1630299367,27cyclictest0-21swapper/108:00:331
16302993630,4cyclictest25-21ksoftirqd/110:59:151
16302993630,4cyclictest25-21ksoftirqd/110:37:411
16302993629,4cyclictest25-21ksoftirqd/111:37:591
16301993630,4cyclictest9-21ksoftirqd/008:08:580
16304993530,3cyclictest41-21ksoftirqd/311:45:123
16304993530,3cyclictest41-21ksoftirqd/307:27:503
16304993529,4cyclictest41-21ksoftirqd/310:04:543
16303993529,4cyclictest33-21ksoftirqd/212:33:592
16303993529,4cyclictest33-21ksoftirqd/212:33:592
16303993529,4cyclictest33-21ksoftirqd/211:45:092
16303993529,4cyclictest33-21ksoftirqd/210:11:212
16303993529,4cyclictest33-21ksoftirqd/207:31:442
16303993529,4cyclictest33-21ksoftirqd/207:31:442
16303993528,4cyclictest33-21ksoftirqd/207:15:122
16302993529,4cyclictest25-21ksoftirqd/112:29:291
16302993529,4cyclictest25-21ksoftirqd/110:16:301
16302993529,4cyclictest25-21ksoftirqd/109:43:091
16301993530,3cyclictest9-21ksoftirqd/010:15:210
16301993529,4cyclictest9-21ksoftirqd/010:13:320
16301993529,4cyclictest9-21ksoftirqd/008:59:340
16301993529,4cyclictest9-21ksoftirqd/007:28:080
16304993428,4cyclictest41-21ksoftirqd/311:32:073
16304993428,4cyclictest41-21ksoftirqd/311:15:393
16304993428,4cyclictest41-21ksoftirqd/309:43:353
16304993428,4cyclictest41-21ksoftirqd/309:08:563
16304993427,5cyclictest41-21ksoftirqd/308:17:293
16303993428,4cyclictest33-21ksoftirqd/211:39:352
16303993428,4cyclictest33-21ksoftirqd/209:36:442
16303993428,4cyclictest33-21ksoftirqd/208:52:542
16303993428,4cyclictest33-21ksoftirqd/208:49:062
16303993428,4cyclictest33-21ksoftirqd/208:35:542
16303993427,5cyclictest33-21ksoftirqd/208:40:112
16302993429,3cyclictest25-21ksoftirqd/112:25:001
16302993429,3cyclictest25-21ksoftirqd/109:02:411
16302993428,4cyclictest25-21ksoftirqd/109:22:351
16302993428,4cyclictest25-21ksoftirqd/108:06:171
16302993428,3cyclictest25-21ksoftirqd/111:15:591
16301993428,4cyclictest9-21ksoftirqd/012:30:520
16301993428,4cyclictest9-21ksoftirqd/012:30:520
16301993428,4cyclictest9-21ksoftirqd/011:38:570
16301993428,4cyclictest9-21ksoftirqd/010:33:140
16301993428,4cyclictest9-21ksoftirqd/009:57:400
16301993428,4cyclictest9-21ksoftirqd/009:03:530
16301993428,4cyclictest9-21ksoftirqd/008:31:420
16304993328,3cyclictest41-21ksoftirqd/308:48:073
16304993328,3cyclictest41-21ksoftirqd/308:40:173
16304993327,4cyclictest41-21ksoftirqd/312:07:243
16304993327,4cyclictest41-21ksoftirqd/311:23:373
16304993327,4cyclictest41-21ksoftirqd/309:49:533
16304993327,4cyclictest41-21ksoftirqd/308:12:523
16304993327,4cyclictest41-21ksoftirqd/308:07:313
16304993327,3cyclictest41-21ksoftirqd/311:02:073
16303993328,3cyclictest33-21ksoftirqd/209:12:332
16303993327,4cyclictest33-21ksoftirqd/212:17:032
16303993327,4cyclictest33-21ksoftirqd/211:28:002
16303993327,4cyclictest33-21ksoftirqd/210:31:072
16303993327,4cyclictest33-21ksoftirqd/209:17:262
16303993327,4cyclictest33-21ksoftirqd/207:38:242
16303993326,5cyclictest33-21ksoftirqd/209:23:552
16302993327,4cyclictest25-21ksoftirqd/111:13:511
16302993327,4cyclictest25-21ksoftirqd/109:28:131
16301993328,3cyclictest9-21ksoftirqd/011:53:500
16301993328,3cyclictest9-21ksoftirqd/007:14:310
16301993327,4cyclictest9-21ksoftirqd/011:59:160
16301993327,4cyclictest9-21ksoftirqd/011:28:180
16301993327,4cyclictest9-21ksoftirqd/009:50:340
16301993327,4cyclictest9-21ksoftirqd/009:50:330
16301993327,4cyclictest9-21ksoftirqd/009:27:510
16301993327,4cyclictest9-21ksoftirqd/007:54:200
16301993327,4cyclictest9-21ksoftirqd/007:45:380
16301993327,4cyclictest9-21ksoftirqd/007:22:270
138491330,1ptp4l401ktimersoftd/309:19:563
138491330,0ptp4l401ktimersoftd/311:10:273
16304993227,3cyclictest41-21ksoftirqd/310:10:073
16304993226,4cyclictest41-21ksoftirqd/311:43:343
16304993226,4cyclictest41-21ksoftirqd/307:46:453
16304993226,4cyclictest41-21ksoftirqd/307:41:473
16303993227,3cyclictest33-21ksoftirqd/212:03:282
16303993227,3cyclictest33-21ksoftirqd/209:07:382
16303993226,4cyclictest33-21ksoftirqd/212:28:542
16303993226,4cyclictest33-21ksoftirqd/210:41:502
16303993226,4cyclictest33-21ksoftirqd/210:38:252
16303993226,4cyclictest33-21ksoftirqd/210:09:492
16303993226,4cyclictest33-21ksoftirqd/208:33:052
16303993225,5cyclictest33-21ksoftirqd/208:12:482
16302993227,3cyclictest25-21ksoftirqd/112:11:251
16302993227,3cyclictest25-21ksoftirqd/107:13:241
16302993226,4cyclictest25-21ksoftirqd/112:06:551
16302993226,4cyclictest25-21ksoftirqd/111:41:001
16302993226,4cyclictest25-21ksoftirqd/110:32:081
16302993226,4cyclictest25-21ksoftirqd/110:09:411
16302993226,4cyclictest25-21ksoftirqd/108:31:161
16302993226,4cyclictest25-21ksoftirqd/107:30:021
16302993226,4cyclictest25-21ksoftirqd/107:30:011
16301993227,3cyclictest9-21ksoftirqd/012:14:110
16301993227,3cyclictest9-21ksoftirqd/010:45:460
16301993227,3cyclictest9-21ksoftirqd/009:40:000
16301993227,3cyclictest9-21ksoftirqd/008:52:440
16301993227,3cyclictest9-21ksoftirqd/008:20:000
16301993227,3cyclictest9-21ksoftirqd/007:41:070
16301993226,4cyclictest9-21ksoftirqd/012:28:520
16301993225,5cyclictest9-21ksoftirqd/012:39:550
16301993225,5cyclictest9-21ksoftirqd/008:23:130
16301993225,4cyclictest9-21ksoftirqd/009:30:040
16304993125,4cyclictest41-21ksoftirqd/312:38:263
16304993125,4cyclictest41-21ksoftirqd/308:24:163
16303993126,3cyclictest33-21ksoftirqd/211:10:392
16303993126,3cyclictest33-21ksoftirqd/210:50:212
16303993126,3cyclictest33-21ksoftirqd/210:15:132
16303993126,3cyclictest33-21ksoftirqd/209:31:592
16303993125,4cyclictest33-21ksoftirqd/211:06:222
16303993125,4cyclictest33-21ksoftirqd/210:23:542
16303993125,4cyclictest33-21ksoftirqd/208:57:122
16303993125,4cyclictest33-21ksoftirqd/208:20:542
16303993125,4cyclictest33-21ksoftirqd/207:41:182
16302993126,3cyclictest25-21ksoftirqd/109:55:561
16302993126,3cyclictest25-21ksoftirqd/108:55:261
16302993126,3cyclictest25-21ksoftirqd/108:23:131
16302993125,4cyclictest25-21ksoftirqd/109:19:181
16302993125,4cyclictest25-21ksoftirqd/108:50:061
16302993125,4cyclictest25-21ksoftirqd/108:25:381
1630299312,27cyclictest0-21swapper/109:10:241
16301993126,3cyclictest9-21ksoftirqd/011:18:580
16301993126,3cyclictest9-21ksoftirqd/010:21:110
16301993126,3cyclictest9-21ksoftirqd/009:12:230
16301993126,3cyclictest9-21ksoftirqd/008:26:160
16301993126,3cyclictest9-21ksoftirqd/007:35:170
16301993126,3cyclictest24495-21irqrtprio10:40:170
16301993125,4cyclictest9-21ksoftirqd/011:48:240
16301993125,4cyclictest9-21ksoftirqd/009:16:430
16301993125,4cyclictest9-21ksoftirqd/008:46:190
16301993125,3cyclictest9-21ksoftirqd/012:05:210
138491310,0ptp4l401ktimersoftd/307:30:413
138491310,0ptp4l401ktimersoftd/307:30:413
16304993026,2cyclictest138491ptp4l08:50:263
16304993024,4cyclictest41-21ksoftirqd/311:59:023
16304993024,4cyclictest41-21ksoftirqd/311:38:373
16304993024,4cyclictest41-21ksoftirqd/309:38:013
16304993024,4cyclictest41-21ksoftirqd/307:23:363
16303993025,3cyclictest33-21ksoftirqd/208:09:182
16303993024,4cyclictest33-21ksoftirqd/211:40:032
16303993024,4cyclictest33-21ksoftirqd/209:28:182
16302993025,4cyclictest25-21ksoftirqd/112:04:531
16302993025,3cyclictest25-21ksoftirqd/107:16:131
16302993024,4cyclictest25-21ksoftirqd/111:26:521
16302993024,4cyclictest25-21ksoftirqd/111:24:031
16302993024,4cyclictest25-21ksoftirqd/107:25:361
16302993023,4cyclictest25-21ksoftirqd/109:36:581
1630299302,27cyclictest30138-21kworker/1:007:51:071
16301993026,3cyclictest9-21ksoftirqd/012:00:180
16301993025,3cyclictest9-21ksoftirqd/010:02:300
16301993025,3cyclictest9-21ksoftirqd/009:41:070
16301993024,4cyclictest9-21ksoftirqd/010:52:230
16301993024,4cyclictest9-21ksoftirqd/010:25:410
16301993024,4cyclictest9-21ksoftirqd/009:23:050
16301993024,4cyclictest9-21ksoftirqd/008:35:520
16301993024,4cyclictest9-21ksoftirqd/008:13:100
16301993024,3cyclictest9-21ksoftirqd/007:31:590
16301993024,3cyclictest9-21ksoftirqd/007:31:590
138491300,9ptp4l401ktimersoftd/309:31:063
138491300,0ptp4l401ktimersoftd/312:10:173
138491300,0ptp4l401ktimersoftd/310:05:343
138491300,0ptp4l401ktimersoftd/308:25:253
16304992924,3cyclictest41-21ksoftirqd/308:56:213
16304992923,4cyclictest41-21ksoftirqd/312:01:403
16304992923,4cyclictest41-21ksoftirqd/309:58:313
16303992924,3cyclictest33-21ksoftirqd/211:50:022
16303992924,3cyclictest33-21ksoftirqd/210:03:352
16303992924,3cyclictest33-21ksoftirqd/207:55:112
16303992923,4cyclictest33-21ksoftirqd/210:58:472
16303992923,4cyclictest33-21ksoftirqd/208:18:412
16302992924,3cyclictest25-21ksoftirqd/112:38:291
16302992924,3cyclictest25-21ksoftirqd/107:38:151
16302992923,4cyclictest25-21ksoftirqd/107:41:451
1630299292,26cyclictest8377-21kworker/1:009:09:241
1630299291,27cyclictest15547-21kworker/1:108:18:231
16301992924,3cyclictest9-21ksoftirqd/012:17:390
16301992924,3cyclictest9-21ksoftirqd/009:09:220
16301992923,4cyclictest9-21ksoftirqd/010:35:550
138491290,0ptp4l401ktimersoftd/310:15:163
138491290,0ptp4l401ktimersoftd/307:18:283
16304992823,3cyclictest41-21ksoftirqd/311:09:173
16304992822,4cyclictest41-21ksoftirqd/309:20:413
16303992822,4cyclictest33-21ksoftirqd/212:06:392
16303992822,4cyclictest33-21ksoftirqd/207:21:412
16303992821,5cyclictest33-21ksoftirqd/211:57:392
16302992823,3cyclictest25-21ksoftirqd/107:57:011
1630299282,16cyclictest8377-21kworker/1:010:21:401
1630299282,16cyclictest30138-21kworker/1:007:45:281
1630299281,26cyclictest15547-21kworker/1:108:46:121
16301992822,4cyclictest9-21ksoftirqd/011:13:500
16301992822,4cyclictest9-21ksoftirqd/010:05:580
16301992822,4cyclictest9-21ksoftirqd/009:46:080
16301992822,4cyclictest9-21ksoftirqd/008:00:260
16301992822,4cyclictest9-21ksoftirqd/008:00:250
16304992722,3cyclictest41-21ksoftirqd/312:20:133
16304992721,4cyclictest41-21ksoftirqd/310:36:473
16303992721,4cyclictest33-21ksoftirqd/212:13:452
16303992721,4cyclictest33-21ksoftirqd/207:27:382
16302992722,3cyclictest25-21ksoftirqd/109:34:411
16302992722,3cyclictest25-21ksoftirqd/108:43:141
16301992722,3cyclictest9-21ksoftirqd/011:42:580
16301992721,4cyclictest9-21ksoftirqd/012:22:160
16301992721,3cyclictest9-21ksoftirqd/011:30:170
16303992621,3cyclictest33-21ksoftirqd/210:45:442
16302992621,3cyclictest25-21ksoftirqd/111:09:511
16302992621,3cyclictest25-21ksoftirqd/110:43:501
16302992621,3cyclictest25-21ksoftirqd/110:29:021
1630299260,16cyclictest8377-21kworker/1:010:49:201
138491260,0ptp4l401ktimersoftd/310:51:383
16304992521,2cyclictest41-21ksoftirqd/308:40:003
16304992521,2cyclictest41-21ksoftirqd/308:35:003
16303992519,4cyclictest33-21ksoftirqd/209:49:152
16301992520,3cyclictest9-21ksoftirqd/011:01:420
138491250,0ptp4l401ktimersoftd/307:35:123
16304992419,3cyclictest41-21ksoftirqd/310:23:163
16303992419,3cyclictest33-21ksoftirqd/210:26:162
1630299241,20cyclictest16805-21iostat_ios11:30:181
16301992419,3cyclictest9-21ksoftirqd/011:10:000
1630299229,10cyclictest28537-21apt-get09:45:121
16301992217,3cyclictest9-21ksoftirqd/010:56:450
16301992016,3cyclictest9-21ksoftirqd/008:40:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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