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2026-07-25 - 10:50
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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 Sat Jul 25, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591234168,23phc2sys0-21swapper/319:06:173
99792233167,22sleep00-21swapper/019:07:250
101692208174,22sleep10-21swapper/119:09:531
99832204171,22sleep20-21swapper/219:07:282
2830621610,6sleep21047399cyclictest20:55:142
1395919468,14phc2sys0-21swapper/319:10:003
1018028363,10sleep10-21swapper/119:10:001
270472600,6sleep01047199cyclictest21:59:590
139291570,0ptp4l401ktimersoftd/320:43:153
139291540,1ptp4l401ktimersoftd/321:33:463
139291540,1ptp4l401ktimersoftd/321:33:463
296372510,5sleep329641-21tr19:50:133
10472995044,3cyclictest27986-21turbostat.cron23:10:001
10471994918,4cyclictest9-21ksoftirqd/022:50:540
1047199472,6cyclictest101ktimersoftd/023:40:210
139291460,0ptp4l401ktimersoftd/321:25:213
1047199466,6cyclictest9-21ksoftirqd/000:09:020
10471994618,7cyclictest9-21ksoftirqd/022:20:560
139291440,0ptp4l401ktimersoftd/323:45:203
10472994437,4cyclictest1759-21turbostat.cron22:15:001
139291420,1ptp4l401ktimersoftd/300:39:113
139291420,0ptp4l401ktimersoftd/322:10:143
1047199418,8cyclictest9-21ksoftirqd/020:20:270
10474994035,3cyclictest41-21ksoftirqd/321:50:003
1047299400,3cyclictest121rcu_preempt20:16:131
10474993932,4cyclictest41-21ksoftirqd/320:21:433
1047199394,7cyclictest19811-21dpkg00:00:020
1047199391,5cyclictest9-21ksoftirqd/021:00:160
10474993834,3cyclictest41-21ksoftirqd/300:00:003
10474993832,4cyclictest41-21ksoftirqd/323:18:373
10474993832,4cyclictest41-21ksoftirqd/321:21:003
10474993832,4cyclictest41-21ksoftirqd/320:59:183
10474993830,5cyclictest41-21ksoftirqd/323:10:003
10473993833,3cyclictest33-21ksoftirqd/223:39:592
10473993832,4cyclictest33-21ksoftirqd/223:08:502
10473993832,4cyclictest33-21ksoftirqd/222:52:292
10473993832,4cyclictest33-21ksoftirqd/221:42:322
10473993832,4cyclictest33-21ksoftirqd/221:11:282
10473993831,4cyclictest33-21ksoftirqd/223:25:032
1047199380,5cyclictest9-21ksoftirqd/023:20:260
139291370,0ptp4l401ktimersoftd/319:30:123
10474993732,3cyclictest41-21ksoftirqd/323:30:143
10474993732,3cyclictest41-21ksoftirqd/322:35:573
10474993732,3cyclictest41-21ksoftirqd/321:53:333
10474993732,3cyclictest41-21ksoftirqd/300:25:373
10474993731,4cyclictest41-21ksoftirqd/323:25:393
10474993731,4cyclictest41-21ksoftirqd/323:10:313
10474993731,4cyclictest41-21ksoftirqd/319:16:143
10474993730,4cyclictest41-21ksoftirqd/322:05:283
10474993730,4cyclictest41-21ksoftirqd/322:02:583
10473993732,3cyclictest33-21ksoftirqd/219:15:122
10473993731,4cyclictest33-21ksoftirqd/223:52:142
10473993731,4cyclictest33-21ksoftirqd/223:40:312
10473993731,4cyclictest33-21ksoftirqd/223:22:462
10473993731,4cyclictest33-21ksoftirqd/222:13:462
10473993731,4cyclictest33-21ksoftirqd/221:24:592
10472993731,3cyclictest24578-21cron00:10:001
10471993733,2cyclictest111rcuc/023:00:380
10471993731,4cyclictest9-21ksoftirqd/021:29:100
10471993731,4cyclictest9-21ksoftirqd/000:19:280
10471993731,3cyclictest9-21ksoftirqd/022:45:120
10471993730,4cyclictest9-21ksoftirqd/000:36:290
10471993720,9cyclictest9-21ksoftirqd/023:13:450
41298360,2rtkit-daemon0-21swapper/120:31:161
10474993630,4cyclictest41-21ksoftirqd/323:24:433
10474993630,4cyclictest41-21ksoftirqd/322:46:283
10474993629,4cyclictest41-21ksoftirqd/323:04:013
10474993629,4cyclictest41-21ksoftirqd/321:56:333
10473993630,4cyclictest33-21ksoftirqd/222:59:352
10473993629,4cyclictest33-21ksoftirqd/200:09:392
10472993632,2cyclictest14660-21irqrtprio22:40:191
10472993630,4cyclictest25-21ksoftirqd/123:44:511
10472993630,4cyclictest25-21ksoftirqd/121:00:141
10472993630,4cyclictest25-21ksoftirqd/120:40:331
10472993630,4cyclictest25-21ksoftirqd/120:03:111
10472993629,4cyclictest25-21ksoftirqd/100:28:281
10471993633,2cyclictest111rcuc/019:26:040
10471993633,2cyclictest111rcuc/019:18:300
10471993632,2cyclictest111rcuc/023:18:240
10471993630,4cyclictest9-21ksoftirqd/022:18:090
10471993630,4cyclictest9-21ksoftirqd/019:48:260
10471993630,3cyclictest9-21ksoftirqd/022:15:010
10471993630,3cyclictest9-21ksoftirqd/021:10:000
10471993629,4cyclictest9-21ksoftirqd/000:28:110
10471993620,7cyclictest9-21ksoftirqd/023:31:220
10471993620,7cyclictest9-21ksoftirqd/020:02:510
10471993619,7cyclictest9-21ksoftirqd/023:08:130
1047199360,6cyclictest9-21ksoftirqd/021:10:250
10474993529,4cyclictest41-21ksoftirqd/323:54:323
10473993531,3cyclictest33-21ksoftirqd/221:25:282
10473993530,3cyclictest33-21ksoftirqd/221:52:032
10473993530,3cyclictest33-21ksoftirqd/221:02:112
10473993530,3cyclictest33-21ksoftirqd/219:41:062
10473993530,3cyclictest33-21ksoftirqd/200:17:372
10473993529,4cyclictest33-21ksoftirqd/223:47:052
10473993529,4cyclictest33-21ksoftirqd/222:43:032
10472993530,3cyclictest25-21ksoftirqd/123:46:301
10472993530,3cyclictest25-21ksoftirqd/121:10:111
10472993530,3cyclictest25-21ksoftirqd/120:10:001
10472993529,4cyclictest25-21ksoftirqd/122:26:171
10472993529,4cyclictest25-21ksoftirqd/121:27:321
10472993529,4cyclictest25-21ksoftirqd/119:35:071
10472993529,4cyclictest25-21ksoftirqd/100:24:311
10472993528,4cyclictest25-21ksoftirqd/120:38:501
10472993528,4cyclictest25-21ksoftirqd/100:02:241
10471993531,3cyclictest111rcuc/019:20:310
10471993528,4cyclictest9-21ksoftirqd/000:31:290
10471993528,4cyclictest9-21ksoftirqd/000:31:290
10471993519,7cyclictest9-21ksoftirqd/019:32:420
10474993430,3cyclictest41-21ksoftirqd/319:40:013
10474993429,3cyclictest41-21ksoftirqd/322:22:303
10474993429,3cyclictest41-21ksoftirqd/300:16:033
10474993428,4cyclictest41-21ksoftirqd/322:51:263
10474993428,4cyclictest41-21ksoftirqd/320:05:493
10474993428,4cyclictest41-21ksoftirqd/300:14:543
10473993429,3cyclictest33-21ksoftirqd/223:56:262
10473993429,3cyclictest33-21ksoftirqd/223:13:262
10473993429,3cyclictest33-21ksoftirqd/221:31:382
10473993429,3cyclictest33-21ksoftirqd/221:31:372
10473993429,3cyclictest33-21ksoftirqd/220:45:082
10473993429,3cyclictest33-21ksoftirqd/219:39:262
10473993429,3cyclictest33-21ksoftirqd/200:01:002
10473993428,4cyclictest33-21ksoftirqd/222:20:112
10473993428,4cyclictest33-21ksoftirqd/221:47:182
10473993428,4cyclictest33-21ksoftirqd/220:35:042
10473993428,4cyclictest33-21ksoftirqd/220:30:592
10473993428,4cyclictest33-21ksoftirqd/220:20:412
10473993428,4cyclictest33-21ksoftirqd/220:11:472
10473993428,4cyclictest33-21ksoftirqd/219:11:492
10473993428,4cyclictest33-21ksoftirqd/200:27:042
10472993429,3cyclictest25-21ksoftirqd/123:55:001
10472993429,3cyclictest25-21ksoftirqd/123:19:031
10472993429,3cyclictest25-21ksoftirqd/120:25:001
10472993429,3cyclictest25-21ksoftirqd/119:15:121
10472993428,4cyclictest25-21ksoftirqd/123:36:571
10472993428,4cyclictest25-21ksoftirqd/123:10:451
10472993428,3cyclictest25-21ksoftirqd/100:00:001
10472993427,4cyclictest25-21ksoftirqd/123:02:181
10472993427,4cyclictest25-21ksoftirqd/121:19:121
10471993432,1cyclictest111rcuc/020:06:160
10471993429,3cyclictest9-21ksoftirqd/020:26:120
10471993428,4cyclictest9-21ksoftirqd/022:25:470
10471993428,4cyclictest9-21ksoftirqd/020:31:050
10471993428,4cyclictest9-21ksoftirqd/020:11:130
10471993428,3cyclictest9-21ksoftirqd/022:00:120
10471993427,4cyclictest9-21ksoftirqd/022:39:510
10471993420,4cyclictest9-21ksoftirqd/020:35:100
10471993411,7cyclictest9-21ksoftirqd/022:42:400
10474993328,3cyclictest41-21ksoftirqd/321:40:463
10474993328,3cyclictest41-21ksoftirqd/321:36:303
10474993328,3cyclictest41-21ksoftirqd/321:03:123
10474993328,3cyclictest41-21ksoftirqd/320:50:143
10474993328,3cyclictest41-21ksoftirqd/319:25:143
10474993328,3cyclictest41-21ksoftirqd/319:20:213
10474993328,3cyclictest41-21ksoftirqd/300:21:083
10474993327,4cyclictest41-21ksoftirqd/300:30:343
10474993327,4cyclictest41-21ksoftirqd/300:30:343
10474993327,4cyclictest41-21ksoftirqd/300:01:143
10474993327,3cyclictest41-21ksoftirqd/320:46:003
10474993327,3cyclictest41-21ksoftirqd/320:31:423
10474993326,4cyclictest41-21ksoftirqd/320:26:003
10473993328,3cyclictest33-21ksoftirqd/221:56:362
10473993328,3cyclictest33-21ksoftirqd/220:52:442
10473993328,3cyclictest33-21ksoftirqd/220:43:382
10473993328,3cyclictest33-21ksoftirqd/219:59:182
10473993328,3cyclictest33-21ksoftirqd/219:59:182
10473993327,4cyclictest33-21ksoftirqd/223:01:072
10473993327,4cyclictest33-21ksoftirqd/200:23:192
10473993326,4cyclictest33-21ksoftirqd/220:25:062
10472993329,2cyclictest25-21ksoftirqd/121:10:011
10472993328,3cyclictest25-21ksoftirqd/122:20:151
10472993328,3cyclictest25-21ksoftirqd/100:36:291
10472993327,4cyclictest25-21ksoftirqd/123:27:141
10472993327,4cyclictest25-21ksoftirqd/123:22:201
10472993327,4cyclictest25-21ksoftirqd/122:35:471
10472993327,4cyclictest25-21ksoftirqd/120:56:591
10472993327,3cyclictest25-21ksoftirqd/119:46:361
10472993327,3cyclictest25-21ksoftirqd/119:33:591
10472993326,4cyclictest25-21ksoftirqd/121:52:591
10472993326,4cyclictest25-21ksoftirqd/120:25:421
10471993328,3cyclictest9-21ksoftirqd/019:54:200
10471993327,4cyclictest9-21ksoftirqd/022:05:580
10471993327,4cyclictest9-21ksoftirqd/020:51:480
10471993327,4cyclictest9-21ksoftirqd/019:37:260
139291320,0ptp4l401ktimersoftd/321:18:333
139291320,0ptp4l401ktimersoftd/320:19:053
10474993227,3cyclictest9638-21fschecks_count22:30:153
10474993227,3cyclictest41-21ksoftirqd/322:42:193
10474993227,3cyclictest41-21ksoftirqd/322:25:183
10474993227,3cyclictest41-21ksoftirqd/320:40:003
10474993226,4cyclictest41-21ksoftirqd/322:18:133
10474993225,4cyclictest41-21ksoftirqd/321:09:483
10473993227,3cyclictest33-21ksoftirqd/221:36:472
10473993227,3cyclictest33-21ksoftirqd/221:18:342
10473993227,3cyclictest33-21ksoftirqd/220:07:072
10473993227,3cyclictest33-21ksoftirqd/220:04:142
10473993226,4cyclictest33-21ksoftirqd/222:16:062
10473993226,4cyclictest33-21ksoftirqd/219:46:592
10473993226,4cyclictest33-21ksoftirqd/219:29:422
10472993227,3cyclictest25-21ksoftirqd/122:30:181
10472993227,3cyclictest25-21ksoftirqd/121:35:011
10472993227,3cyclictest25-21ksoftirqd/121:35:001
10472993227,3cyclictest25-21ksoftirqd/120:14:011
10472993226,4cyclictest25-21ksoftirqd/123:31:471
10472993226,4cyclictest25-21ksoftirqd/123:00:011
10472993226,4cyclictest25-21ksoftirqd/121:43:151
10472993226,4cyclictest25-21ksoftirqd/119:41:401
10472993226,4cyclictest25-21ksoftirqd/119:29:331
10471993227,3cyclictest9-21ksoftirqd/020:15:130
10471993226,4cyclictest9-21ksoftirqd/023:27:460
10471993226,4cyclictest9-21ksoftirqd/019:12:110
139291310,9ptp4l401ktimersoftd/300:06:043
10474993126,3cyclictest41-21ksoftirqd/322:56:343
10474993126,2cyclictest41-21ksoftirqd/320:10:303
10473993126,3cyclictest33-21ksoftirqd/223:30:312
10473993126,3cyclictest33-21ksoftirqd/222:47:402
10473993126,3cyclictest33-21ksoftirqd/222:36:452
10473993126,3cyclictest33-21ksoftirqd/222:05:512
10473993126,3cyclictest33-21ksoftirqd/219:34:572
10473993126,3cyclictest33-21ksoftirqd/200:31:272
10473993126,3cyclictest33-21ksoftirqd/200:31:262
10473993125,4cyclictest33-21ksoftirqd/200:39:522
10473993124,4cyclictest33-21ksoftirqd/222:01:072
10472993126,3cyclictest25-21ksoftirqd/122:20:011
10472993126,3cyclictest25-21ksoftirqd/122:02:221
10472993126,3cyclictest25-21ksoftirqd/121:22:261
10472993125,4cyclictest25-21ksoftirqd/121:49:501
10472993124,4cyclictest25-21ksoftirqd/100:34:131
10472993124,4cyclictest25-21ksoftirqd/100:34:131
10471993128,2cyclictest111rcuc/000:23:180
10471993126,3cyclictest9-21ksoftirqd/021:40:150
10471993125,4cyclictest9-21ksoftirqd/023:52:160
10471993125,4cyclictest9-21ksoftirqd/022:34:330
10471993124,4cyclictest9-21ksoftirqd/021:50:370
139291300,0ptp4l401ktimersoftd/319:42:133
10474993025,3cyclictest41-21ksoftirqd/323:40:493
10474993025,3cyclictest41-21ksoftirqd/321:12:343
10473993025,3cyclictest33-21ksoftirqd/222:30:562
10473993024,4cyclictest33-21ksoftirqd/221:09:282
10473993024,4cyclictest33-21ksoftirqd/219:21:322
10473993024,4cyclictest33-21ksoftirqd/200:12:522
10472993025,3cyclictest25-21ksoftirqd/119:50:181
10472993024,4cyclictest25-21ksoftirqd/100:19:101
10471993025,3cyclictest9-21ksoftirqd/022:55:130
10471993024,4cyclictest9-21ksoftirqd/000:11:260
10471993024,3cyclictest9-21ksoftirqd/021:35:590
10474992923,4cyclictest41-21ksoftirqd/319:46:393
10474992923,3cyclictest41-21ksoftirqd/323:35:183
10473992924,3cyclictest33-21ksoftirqd/222:29:162
10473992924,3cyclictest33-21ksoftirqd/219:51:412
10473992923,4cyclictest33-21ksoftirqd/223:17:532
10472992924,3cyclictest25-21ksoftirqd/122:55:001
10472992924,3cyclictest25-21ksoftirqd/122:49:031
10472992924,3cyclictest25-21ksoftirqd/100:14:521
10472992923,4cyclictest25-21ksoftirqd/119:22:301
10471992925,2cyclictest9-21ksoftirqd/019:40:160
10471992924,3cyclictest9-21ksoftirqd/023:36:310
10471992922,4cyclictest9-21ksoftirqd/023:59:580
10471992922,4cyclictest9-21ksoftirqd/021:47:080
10474992823,3cyclictest41-21ksoftirqd/320:00:263
10472992823,3cyclictest25-21ksoftirqd/120:52:351
10472992823,3cyclictest25-21ksoftirqd/119:59:371
10472992823,3cyclictest25-21ksoftirqd/119:59:371
10472992822,4cyclictest25-21ksoftirqd/122:09:471
10472992822,4cyclictest25-21ksoftirqd/120:49:481
10471992824,2cyclictest9-21ksoftirqd/020:55:230
10471992822,4cyclictest9-21ksoftirqd/021:31:550
10471992822,4cyclictest9-21ksoftirqd/021:31:550
10474992721,4cyclictest41-21ksoftirqd/319:58:443
10474992721,4cyclictest41-21ksoftirqd/319:58:443
10473992721,4cyclictest33-21ksoftirqd/220:20:002
10472992722,3cyclictest25-21ksoftirqd/121:58:491
10472992722,3cyclictest25-21ksoftirqd/121:39:331
1047199277,5cyclictest9-21ksoftirqd/021:20:240
1047199272,5cyclictest9-21ksoftirqd/020:40:280
10471992723,2cyclictest9-21ksoftirqd/020:45:010
10471992621,3cyclictest9-21ksoftirqd/019:55:220
10471992621,3cyclictest9-21ksoftirqd/019:55:220
10471992521,2cyclictest9-21ksoftirqd/023:45:160
10471992417,4cyclictest9-21ksoftirqd/021:19:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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