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2026-05-20 - 09:58
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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 Wed May 20, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591208163,33phc2sys0-21swapper/319:08:363
244642207174,22sleep10-21swapper/119:06:551
243772204170,22sleep20-21swapper/219:05:462
246182201168,21sleep00-21swapper/019:08:540
138491560,1ptp4l401ktimersoftd/322:35:173
61372530,1sleep00-21swapper/021:45:190
289652530,2sleep20-21swapper/223:35:212
138491530,0ptp4l401ktimersoftd/322:47:283
72582520,5sleep07261-21unixbench_singl22:50:300
299392520,4sleep3401ktimersoftd/322:35:003
138491510,1ptp4l401ktimersoftd/319:17:143
138491480,0ptp4l401ktimersoftd/321:19:393
25000994639,4cyclictest27311-21cron21:25:003
232512450,35sleep341-21ksoftirqd/300:30:143
138491440,0ptp4l401ktimersoftd/322:51:263
138491430,0ptp4l401ktimersoftd/321:55:213
138491430,0ptp4l401ktimersoftd/321:40:333
2499999421,38cyclictest27588-21sh23:35:012
138491420,0ptp4l401ktimersoftd/300:36:263
24999994136,3cyclictest33-21ksoftirqd/223:10:002
24998994035,3cyclictest25-21ksoftirqd/121:40:001
138491400,1ptp4l401ktimersoftd/319:57:243
24998993932,4cyclictest7249-21cron19:40:001
24997993936,2cyclictest9-21ksoftirqd/022:00:000
25000993832,4cyclictest41-21ksoftirqd/323:35:003
24998993830,5cyclictest29898-21cron22:35:001
138491380,0ptp4l401ktimersoftd/321:50:173
2499999375,29cyclictest19224-21memory00:20:232
24999993732,3cyclictest33-21ksoftirqd/222:40:122
24999993731,4cyclictest33-21ksoftirqd/221:09:502
24999993731,4cyclictest33-21ksoftirqd/219:21:312
24998993731,3cyclictest15052-21cron23:10:001
24998993730,5cyclictest25-21ksoftirqd/123:43:051
24997993732,3cyclictest9-21ksoftirqd/020:40:000
24997993731,4cyclictest9-21ksoftirqd/019:13:380
25000993630,4cyclictest41-21ksoftirqd/322:07:003
25000993630,4cyclictest41-21ksoftirqd/320:56:313
25000993630,4cyclictest41-21ksoftirqd/320:53:593
25000993630,4cyclictest41-21ksoftirqd/320:48:533
25000993630,4cyclictest41-21ksoftirqd/320:16:483
25000993630,4cyclictest41-21ksoftirqd/319:49:593
25000993630,4cyclictest41-21ksoftirqd/319:29:263
25000993630,4cyclictest41-21ksoftirqd/300:08:403
25000993629,4cyclictest41-21ksoftirqd/319:37:583
24999993630,4cyclictest33-21ksoftirqd/222:37:562
24999993630,4cyclictest33-21ksoftirqd/220:38:252
24999993630,4cyclictest33-21ksoftirqd/200:11:072
24999993630,4cyclictest33-21ksoftirqd/200:00:072
24998993631,3cyclictest25-21ksoftirqd/121:10:201
24998993630,4cyclictest25-21ksoftirqd/123:23:571
24998993630,4cyclictest25-21ksoftirqd/123:23:561
24998993630,3cyclictest25-21ksoftirqd/120:25:181
138491360,1ptp4l401ktimersoftd/320:27:023
25000993530,3cyclictest41-21ksoftirqd/320:40:113
25000993530,3cyclictest41-21ksoftirqd/319:10:163
25000993529,4cyclictest41-21ksoftirqd/322:17:073
25000993529,4cyclictest41-21ksoftirqd/320:20:103
25000993529,4cyclictest41-21ksoftirqd/320:12:033
25000993528,5cyclictest41-21ksoftirqd/300:20:223
24999993530,3cyclictest33-21ksoftirqd/219:58:462
24999993529,4cyclictest33-21ksoftirqd/221:47:132
24999993529,4cyclictest33-21ksoftirqd/220:55:462
24999993529,4cyclictest33-21ksoftirqd/220:19:272
24998993530,3cyclictest25-21ksoftirqd/120:30:111
24998993530,3cyclictest25-21ksoftirqd/100:20:141
24998993529,4cyclictest25-21ksoftirqd/123:58:311
24998993529,4cyclictest25-21ksoftirqd/121:43:431
24998993529,4cyclictest25-21ksoftirqd/120:24:241
24998993529,4cyclictest25-21ksoftirqd/120:06:591
24998993529,3cyclictest25-21ksoftirqd/122:00:201
24997993530,3cyclictest9-21ksoftirqd/022:16:020
24997993529,4cyclictest9-21ksoftirqd/022:58:000
24997993529,4cyclictest9-21ksoftirqd/022:38:180
24997993529,4cyclictest9-21ksoftirqd/022:09:420
24997993529,4cyclictest9-21ksoftirqd/022:02:510
24997993529,4cyclictest9-21ksoftirqd/020:53:350
24997993529,4cyclictest9-21ksoftirqd/020:26:570
25000993430,3cyclictest41-21ksoftirqd/320:38:573
25000993428,4cyclictest41-21ksoftirqd/321:03:053
25000993428,4cyclictest41-21ksoftirqd/321:03:053
24999993429,3cyclictest33-21ksoftirqd/223:51:592
24999993429,3cyclictest33-21ksoftirqd/223:51:592
24999993429,3cyclictest33-21ksoftirqd/220:10:572
24999993428,4cyclictest33-21ksoftirqd/221:52:192
24999993428,4cyclictest33-21ksoftirqd/221:39:272
24999993428,4cyclictest33-21ksoftirqd/221:17:122
24999993428,4cyclictest33-21ksoftirqd/220:34:122
24999993428,4cyclictest33-21ksoftirqd/220:20:522
24999993428,4cyclictest33-21ksoftirqd/219:49:352
24999993428,4cyclictest33-21ksoftirqd/219:33:272
24999993428,4cyclictest33-21ksoftirqd/219:33:262
24999993428,4cyclictest33-21ksoftirqd/200:18:382
24999993427,5cyclictest33-21ksoftirqd/222:17:002
24998993429,3cyclictest25-21ksoftirqd/122:43:131
24998993429,3cyclictest25-21ksoftirqd/122:06:251
24998993428,4cyclictest25-21ksoftirqd/123:35:511
24998993428,4cyclictest25-21ksoftirqd/122:37:111
24998993428,4cyclictest25-21ksoftirqd/122:29:171
24998993428,4cyclictest25-21ksoftirqd/122:22:591
24998993428,4cyclictest25-21ksoftirqd/121:48:001
24998993428,4cyclictest25-21ksoftirqd/121:22:091
24998993428,4cyclictest25-21ksoftirqd/119:11:281
24997993430,3cyclictest9-21ksoftirqd/019:50:330
24997993429,3cyclictest9-21ksoftirqd/000:33:230
24997993428,4cyclictest9-21ksoftirqd/023:43:370
24997993428,4cyclictest9-21ksoftirqd/023:24:440
24997993428,4cyclictest9-21ksoftirqd/023:24:440
24997993428,4cyclictest9-21ksoftirqd/022:41:270
24997993428,4cyclictest9-21ksoftirqd/022:28:190
24997993428,4cyclictest9-21ksoftirqd/021:34:480
24997993428,4cyclictest9-21ksoftirqd/021:24:120
24997993428,4cyclictest9-21ksoftirqd/020:17:450
24997993428,4cyclictest9-21ksoftirqd/020:00:050
24997993427,5cyclictest9-21ksoftirqd/023:11:200
24997993427,4cyclictest9-21ksoftirqd/019:15:070
138491340,0ptp4l401ktimersoftd/300:10:153
25000993327,4cyclictest41-21ksoftirqd/323:41:313
25000993327,4cyclictest41-21ksoftirqd/323:22:293
25000993327,4cyclictest41-21ksoftirqd/323:22:293
25000993327,4cyclictest41-21ksoftirqd/323:14:523
25000993327,4cyclictest41-21ksoftirqd/321:12:443
24999993328,3cyclictest33-21ksoftirqd/221:05:002
24999993328,3cyclictest33-21ksoftirqd/221:05:002
24999993327,4cyclictest33-21ksoftirqd/223:03:112
24999993327,4cyclictest33-21ksoftirqd/222:57:062
24999993327,4cyclictest33-21ksoftirqd/222:48:312
24999993327,4cyclictest33-21ksoftirqd/222:09:042
24999993327,4cyclictest33-21ksoftirqd/221:43:442
24999993327,4cyclictest33-21ksoftirqd/220:48:242
24999993327,4cyclictest33-21ksoftirqd/200:27:042
24998993329,3cyclictest25-21ksoftirqd/119:50:191
24998993328,3cyclictest25-21ksoftirqd/119:44:551
24998993327,4cyclictest25-21ksoftirqd/123:15:581
24998993327,4cyclictest25-21ksoftirqd/123:12:131
24998993327,4cyclictest25-21ksoftirqd/121:07:251
24998993327,4cyclictest25-21ksoftirqd/120:58:341
24998993326,5cyclictest25-21ksoftirqd/119:46:301
24997993328,3cyclictest9-21ksoftirqd/023:55:330
24997993328,3cyclictest9-21ksoftirqd/020:08:300
24997993328,3cyclictest9-21ksoftirqd/000:35:100
24997993327,4cyclictest9-21ksoftirqd/023:34:550
24997993327,4cyclictest9-21ksoftirqd/023:05:020
24997993327,4cyclictest9-21ksoftirqd/022:31:030
24997993327,4cyclictest9-21ksoftirqd/022:11:100
24997993327,4cyclictest9-21ksoftirqd/020:20:460
24997993327,4cyclictest9-21ksoftirqd/019:46:120
24997993327,4cyclictest9-21ksoftirqd/019:21:330
24997993327,4cyclictest9-21ksoftirqd/000:21:000
138491330,10ptp4l0-21swapper/300:04:573
25000993227,3cyclictest41-21ksoftirqd/323:51:363
25000993227,3cyclictest41-21ksoftirqd/323:51:353
25000993227,3cyclictest41-21ksoftirqd/323:25:343
25000993227,3cyclictest41-21ksoftirqd/321:36:123
25000993226,4cyclictest41-21ksoftirqd/322:22:133
25000993226,4cyclictest41-21ksoftirqd/320:00:393
25000993219,11cyclictest41-21ksoftirqd/319:45:013
24999993227,3cyclictest33-21ksoftirqd/222:04:502
24999993227,3cyclictest33-21ksoftirqd/220:05:002
24999993226,4cyclictest33-21ksoftirqd/223:28:152
24999993226,4cyclictest33-21ksoftirqd/222:25:532
24999993226,4cyclictest33-21ksoftirqd/221:55:522
24999993226,4cyclictest33-21ksoftirqd/219:19:542
24998993227,3cyclictest25-21ksoftirqd/121:20:001
24998993227,3cyclictest25-21ksoftirqd/121:00:181
24998993227,3cyclictest25-21ksoftirqd/121:00:181
24998993226,4cyclictest25-21ksoftirqd/123:29:091
24998993226,4cyclictest25-21ksoftirqd/122:53:521
24998993226,4cyclictest25-21ksoftirqd/121:31:031
24998993226,4cyclictest25-21ksoftirqd/120:18:171
24998993226,4cyclictest25-21ksoftirqd/100:29:521
24998993226,4cyclictest25-21ksoftirqd/100:13:151
24998993226,3cyclictest25-21ksoftirqd/123:31:131
24998993224,5cyclictest25-21ksoftirqd/120:00:171
24997993227,3cyclictest9-21ksoftirqd/021:27:000
24997993227,3cyclictest9-21ksoftirqd/021:13:570
24997993227,3cyclictest9-21ksoftirqd/019:25:580
24997993226,4cyclictest9-21ksoftirqd/023:35:390
24997993226,4cyclictest9-21ksoftirqd/022:46:290
24997993226,4cyclictest9-21ksoftirqd/020:55:440
24997993226,4cyclictest9-21ksoftirqd/020:41:560
24997993226,4cyclictest9-21ksoftirqd/019:58:430
24997993226,4cyclictest9-21ksoftirqd/019:33:490
24997993226,4cyclictest9-21ksoftirqd/019:33:480
138491320,8ptp4l0-21swapper/322:28:553
138491320,10ptp4l0-21swapper/323:19:013
25000993126,3cyclictest41-21ksoftirqd/323:08:193
25000993125,4cyclictest41-21ksoftirqd/323:49:053
25000993125,4cyclictest41-21ksoftirqd/322:41:183
25000993125,4cyclictest41-21ksoftirqd/321:45:133
25000993125,4cyclictest41-21ksoftirqd/319:50:403
25000993125,4cyclictest41-21ksoftirqd/300:16:543
24999993125,4cyclictest33-21ksoftirqd/223:58:042
24999993125,4cyclictest33-21ksoftirqd/222:12:492
24999993125,4cyclictest33-21ksoftirqd/221:12:232
24999993125,4cyclictest33-21ksoftirqd/200:06:452
24999993125,3cyclictest33-21ksoftirqd/223:12:022
24998993126,3cyclictest25-21ksoftirqd/121:54:461
24998993125,4cyclictest25-21ksoftirqd/121:29:031
24998993125,4cyclictest25-21ksoftirqd/120:54:401
24997993125,4cyclictest9-21ksoftirqd/020:13:480
24997993125,4cyclictest9-21ksoftirqd/000:27:380
25000993025,3cyclictest41-21ksoftirqd/321:07:183
25000993024,4cyclictest41-21ksoftirqd/323:55:123
24999993027,2cyclictest33-21ksoftirqd/219:35:192
24999993025,3cyclictest33-21ksoftirqd/222:23:542
24999993025,3cyclictest33-21ksoftirqd/220:29:252
24999993024,4cyclictest33-21ksoftirqd/223:20:412
24999993024,4cyclictest33-21ksoftirqd/223:20:412
24999993024,4cyclictest33-21ksoftirqd/200:32:492
24998993026,3cyclictest25-21ksoftirqd/122:15:201
24998993025,3cyclictest25-21ksoftirqd/123:03:291
24998993024,4cyclictest25-21ksoftirqd/122:45:291
24998993024,4cyclictest25-21ksoftirqd/119:27:231
24998993024,4cyclictest25-21ksoftirqd/100:18:441
24998993024,3cyclictest25-21ksoftirqd/100:30:201
24998993023,5cyclictest25-21ksoftirqd/100:38:261
24998993017,3cyclictest25-21ksoftirqd/100:00:151
24997993025,3cyclictest9-21ksoftirqd/023:46:180
24997993025,3cyclictest9-21ksoftirqd/022:23:020
24997993025,3cyclictest9-21ksoftirqd/021:40:020
24997993024,4cyclictest9-21ksoftirqd/019:42:510
24997993024,4cyclictest9-21ksoftirqd/000:02:460
138491300,0ptp4l401ktimersoftd/323:36:213
50798290,3rtkit-daemon1522-21apache221:35:120
25000992924,3cyclictest41-21ksoftirqd/319:22:263
25000992923,4cyclictest41-21ksoftirqd/322:00:133
25000992923,4cyclictest41-21ksoftirqd/320:07:413
25000992923,3cyclictest41-21ksoftirqd/300:25:593
24999992924,3cyclictest33-21ksoftirqd/219:50:192
24999992923,4cyclictest33-21ksoftirqd/221:27:072
24999992923,4cyclictest33-21ksoftirqd/220:50:452
24999992923,4cyclictest33-21ksoftirqd/219:25:252
24998992924,3cyclictest25-21ksoftirqd/122:10:111
24998992924,3cyclictest25-21ksoftirqd/119:55:131
24998992923,4cyclictest25-21ksoftirqd/122:59:051
24998992923,4cyclictest25-21ksoftirqd/120:42:051
24998992922,4cyclictest25-21ksoftirqd/120:47:511
24997992923,4cyclictest9-21ksoftirqd/023:03:050
24997992923,4cyclictest9-21ksoftirqd/020:48:100
24997992923,4cyclictest9-21ksoftirqd/020:33:380
24997992923,4cyclictest9-21ksoftirqd/000:06:470
138491290,0ptp4l401ktimersoftd/321:28:243
25000992823,3cyclictest41-21ksoftirqd/319:33:563
25000992823,3cyclictest41-21ksoftirqd/319:33:563
24999992822,4cyclictest33-21ksoftirqd/223:45:122
24999992822,4cyclictest33-21ksoftirqd/219:40:102
24998992823,3cyclictest25-21ksoftirqd/120:14:221
24998992822,4cyclictest25-21ksoftirqd/123:50:351
24998992822,4cyclictest25-21ksoftirqd/123:50:351
24997992823,3cyclictest9-21ksoftirqd/021:54:390
24997992823,3cyclictest9-21ksoftirqd/021:05:350
24997992823,3cyclictest9-21ksoftirqd/000:13:460
24997992822,4cyclictest9-21ksoftirqd/019:39:060
24999992722,4cyclictest33-21ksoftirqd/221:20:032
24999992722,3cyclictest33-21ksoftirqd/223:15:132
24999992721,4cyclictest33-21ksoftirqd/220:41:102
24998992723,3cyclictest25-21ksoftirqd/119:15:251
24998992721,3cyclictest25-21ksoftirqd/120:40:001
24997992724,2cyclictest9-21ksoftirqd/000:15:180
25000992621,3cyclictest41-21ksoftirqd/321:30:363
25000992620,4cyclictest41-21ksoftirqd/323:03:123
24999992621,3cyclictest33-21ksoftirqd/222:34:462
24999992620,4cyclictest33-21ksoftirqd/222:54:132
24999992619,5cyclictest33-21ksoftirqd/200:37:142
24999992614,10cyclictest33-21ksoftirqd/219:10:272
24998992623,2cyclictest25-21ksoftirqd/119:30:181
24998992623,2cyclictest25-21ksoftirqd/119:30:181
24998992622,3cyclictest25-21ksoftirqd/121:55:241
24998992621,3cyclictest25-21ksoftirqd/119:23:511
24997992621,3cyclictest9-21ksoftirqd/023:29:170
25000992520,3cyclictest41-21ksoftirqd/320:34:583
24999992520,3cyclictest33-21ksoftirqd/223:43:552
24999992519,4cyclictest33-21ksoftirqd/220:08:322
24998992518,5cyclictest25-21ksoftirqd/100:07:451
24997992520,3cyclictest9-21ksoftirqd/023:16:330
138491250,0ptp4l401ktimersoftd/322:59:333
24999992418,4cyclictest33-21ksoftirqd/221:32:372
24998992418,4cyclictest25-21ksoftirqd/123:45:111
24997992419,3cyclictest9-21ksoftirqd/023:50:080
24997992419,3cyclictest9-21ksoftirqd/023:50:080
138491240,0ptp4l401ktimersoftd/322:10:133
24997992317,4cyclictest9-21ksoftirqd/021:16:300
24997992116,3cyclictest9-21ksoftirqd/021:03:450
24997992116,3cyclictest9-21ksoftirqd/021:03:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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