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2026-08-03 - 19:33
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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 rackdslot3.osadl.org (updated Mon Aug 03, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278222233169,21sleep30-21swapper/307:09:483
257082208175,22sleep00-21swapper/007:05:070
277002204172,21sleep10-21swapper/107:08:171
275362202169,22sleep20-21swapper/207:06:092
139391700,1ptp4l391rcuc/307:55:143
120712680,7sleep22813599cyclictest08:50:192
134391600,2getstats0-21swapper/308:55:383
139391580,1ptp4l401ktimersoftd/310:10:393
139391580,1ptp4l401ktimersoftd/310:10:393
144022550,3sleep02813399cyclictest11:10:130
208672480,2sleep30-21swapper/310:15:173
28135994525,17cyclictest33-21ksoftirqd/211:10:002
28134994539,3cyclictest8264-21dump-pmu-power09:50:011
57898430,8rtkit-daemon0-21swapper/012:10:380
28133994136,3cyclictest9-21ksoftirqd/010:00:000
139391410,0ptp4l401ktimersoftd/308:30:003
139391400,0ptp4l401ktimersoftd/309:37:153
28136993933,4cyclictest41-21ksoftirqd/310:40:013
28134993934,3cyclictest7979-21wc12:05:001
139391390,0ptp4l401ktimersoftd/307:30:233
28136993833,3cyclictest41-21ksoftirqd/310:09:593
28136993833,3cyclictest41-21ksoftirqd/309:45:013
28134993831,4cyclictest25-21ksoftirqd/109:55:111
28136993731,4cyclictest41-21ksoftirqd/311:12:373
28136993731,4cyclictest41-21ksoftirqd/309:50:013
28135993732,3cyclictest7022-21cron10:55:002
28134993729,5cyclictest25-21ksoftirqd/107:44:591
28133993732,3cyclictest9-21ksoftirqd/010:49:590
28133993732,3cyclictest9-21ksoftirqd/007:45:000
139391370,0ptp4l401ktimersoftd/312:25:593
139391370,0ptp4l401ktimersoftd/309:57:283
139391370,0ptp4l401ktimersoftd/308:44:253
28136993630,4cyclictest41-21ksoftirqd/312:12:223
28136993630,4cyclictest41-21ksoftirqd/307:27:083
28136993630,4cyclictest41-21ksoftirqd/307:10:073
28135993630,4cyclictest33-21ksoftirqd/209:42:012
28134993631,3cyclictest25-21ksoftirqd/111:40:121
28134993631,3cyclictest25-21ksoftirqd/111:10:011
28133993631,3cyclictest9-21ksoftirqd/008:42:550
28133993630,4cyclictest9-21ksoftirqd/009:29:120
28133993630,4cyclictest9-21ksoftirqd/007:25:440
28133993630,3cyclictest9-21ksoftirqd/011:42:580
139391360,0ptp4l401ktimersoftd/311:45:253
57898350,2rtkit-daemon0-21swapper/008:55:070
28136993529,4cyclictest41-21ksoftirqd/309:03:073
28135993531,3cyclictest33-21ksoftirqd/209:20:012
28135993530,3cyclictest33-21ksoftirqd/208:00:012
28135993529,4cyclictest33-21ksoftirqd/207:42:472
28134993530,3cyclictest25-21ksoftirqd/109:53:581
28134993530,3cyclictest25-21ksoftirqd/108:14:591
28134993529,4cyclictest25-21ksoftirqd/110:03:021
28134993529,4cyclictest25-21ksoftirqd/109:06:261
28134993529,4cyclictest25-21ksoftirqd/108:31:491
28134993529,4cyclictest25-21ksoftirqd/107:21:281
139391350,0ptp4l401ktimersoftd/308:53:563
2828423427,3sleep233-21ksoftirqd/211:38:122
28136993428,4cyclictest41-21ksoftirqd/312:24:293
28136993428,4cyclictest41-21ksoftirqd/311:27:303
28136993428,4cyclictest41-21ksoftirqd/310:53:433
28136993428,4cyclictest41-21ksoftirqd/310:44:333
28135993429,3cyclictest33-21ksoftirqd/210:49:152
28135993428,4cyclictest33-21ksoftirqd/210:41:512
28135993428,4cyclictest33-21ksoftirqd/210:20:202
28135993428,4cyclictest33-21ksoftirqd/209:56:302
28135993428,4cyclictest33-21ksoftirqd/208:56:532
28135993428,4cyclictest33-21ksoftirqd/208:49:352
28135993428,4cyclictest33-21ksoftirqd/208:08:392
28134993429,3cyclictest25-21ksoftirqd/110:25:581
28134993428,4cyclictest25-21ksoftirqd/111:38:151
28134993428,4cyclictest25-21ksoftirqd/110:57:541
28134993428,4cyclictest25-21ksoftirqd/110:19:441
28134993428,4cyclictest25-21ksoftirqd/109:21:071
28133993429,3cyclictest9-21ksoftirqd/010:25:440
28133993427,5cyclictest9-21ksoftirqd/009:45:030
28136993328,3cyclictest41-21ksoftirqd/311:37:253
28136993328,3cyclictest41-21ksoftirqd/310:30:013
28136993328,3cyclictest41-21ksoftirqd/308:39:553
28136993327,4cyclictest41-21ksoftirqd/309:53:353
28136993327,4cyclictest41-21ksoftirqd/309:27:353
28136993327,4cyclictest41-21ksoftirqd/307:41:443
28135993328,3cyclictest33-21ksoftirqd/211:02:432
28135993327,4cyclictest33-21ksoftirqd/212:29:072
28135993327,4cyclictest33-21ksoftirqd/212:21:282
28135993327,4cyclictest33-21ksoftirqd/211:28:182
28135993327,4cyclictest33-21ksoftirqd/210:04:212
28135993325,5cyclictest33-21ksoftirqd/209:10:132
28134993329,3cyclictest25-21ksoftirqd/109:04:351
28134993328,3cyclictest25-21ksoftirqd/110:09:271
28134993328,3cyclictest25-21ksoftirqd/107:35:541
28134993328,3cyclictest25-21ksoftirqd/107:12:551
28134993327,4cyclictest25-21ksoftirqd/111:21:101
28134993327,4cyclictest25-21ksoftirqd/110:30:311
28134993327,4cyclictest25-21ksoftirqd/108:57:431
28134993327,4cyclictest25-21ksoftirqd/108:48:301
28134993327,4cyclictest25-21ksoftirqd/108:44:001
28134993327,4cyclictest25-21ksoftirqd/107:28:061
28134993326,4cyclictest25-21ksoftirqd/111:57:521
28134993326,4cyclictest25-21ksoftirqd/108:25:111
28133993328,3cyclictest9-21ksoftirqd/012:35:000
28133993328,3cyclictest9-21ksoftirqd/009:30:140
28133993328,3cyclictest9-21ksoftirqd/008:00:120
28133993327,4cyclictest9-21ksoftirqd/011:54:100
28133993327,4cyclictest9-21ksoftirqd/011:21:440
28133993327,4cyclictest9-21ksoftirqd/010:04:350
28133993327,4cyclictest9-21ksoftirqd/009:21:020
28133993327,4cyclictest9-21ksoftirqd/008:31:590
28133993327,3cyclictest9-21ksoftirqd/010:05:110
1394913326,3phc2sys41-21ksoftirqd/311:55:213
28136993227,3cyclictest41-21ksoftirqd/309:23:593
28136993227,3cyclictest41-21ksoftirqd/308:45:133
28136993227,3cyclictest41-21ksoftirqd/307:48:073
28136993226,4cyclictest41-21ksoftirqd/311:24:053
28136993226,4cyclictest41-21ksoftirqd/308:24:003
28136993226,4cyclictest41-21ksoftirqd/308:05:553
28135993227,3cyclictest33-21ksoftirqd/212:38:592
28135993227,3cyclictest33-21ksoftirqd/207:55:012
28135993226,4cyclictest33-21ksoftirqd/212:16:232
28135993226,4cyclictest33-21ksoftirqd/210:13:552
28135993226,4cyclictest33-21ksoftirqd/210:13:552
28135993225,5cyclictest33-21ksoftirqd/208:11:002
28134993227,3cyclictest25-21ksoftirqd/110:54:541
28134993227,3cyclictest25-21ksoftirqd/108:51:171
28134993227,3cyclictest25-21ksoftirqd/107:47:341
28134993226,4cyclictest25-21ksoftirqd/111:51:421
28134993226,4cyclictest25-21ksoftirqd/109:10:101
28134993226,4cyclictest25-21ksoftirqd/108:37:221
28134993226,4cyclictest25-21ksoftirqd/107:52:361
28133993227,3cyclictest9-21ksoftirqd/009:06:020
28133993226,4cyclictest9-21ksoftirqd/012:37:180
28133993226,4cyclictest9-21ksoftirqd/011:05:520
28133993226,4cyclictest9-21ksoftirqd/010:32:140
28133993226,4cyclictest9-21ksoftirqd/009:50:100
28133993226,4cyclictest9-21ksoftirqd/008:54:380
28133993226,4cyclictest9-21ksoftirqd/008:12:140
139391320,0ptp4l401ktimersoftd/309:10:383
28136993125,4cyclictest41-21ksoftirqd/312:39:103
28136993125,4cyclictest41-21ksoftirqd/312:16:233
28136993125,4cyclictest41-21ksoftirqd/310:57:123
28136993125,4cyclictest41-21ksoftirqd/309:16:083
28136993125,4cyclictest41-21ksoftirqd/308:01:183
2813699310,2cyclictest121rcu_preempt11:19:263
28135993127,3cyclictest33-21ksoftirqd/212:05:242
28135993126,3cyclictest33-21ksoftirqd/208:21:382
28135993125,4cyclictest33-21ksoftirqd/210:08:502
28135993125,4cyclictest33-21ksoftirqd/208:33:132
28135993125,4cyclictest33-21ksoftirqd/207:39:392
28135993125,4cyclictest33-21ksoftirqd/207:11:462
28135993124,5cyclictest33-21ksoftirqd/207:21:322
28134993126,3cyclictest25-21ksoftirqd/112:19:531
28134993126,3cyclictest25-21ksoftirqd/111:11:031
28134993126,3cyclictest25-21ksoftirqd/111:02:271
28134993125,4cyclictest25-21ksoftirqd/112:13:441
28134993125,4cyclictest25-21ksoftirqd/109:38:361
28134993124,5cyclictest25-21ksoftirqd/108:18:291
28133993126,3cyclictest9-21ksoftirqd/011:00:260
28133993126,3cyclictest9-21ksoftirqd/007:51:320
28133993125,4cyclictest9-21ksoftirqd/008:08:130
28133993125,4cyclictest9-21ksoftirqd/007:12:250
28133993125,3cyclictest9-21ksoftirqd/009:45:000
28133993124,5cyclictest9-21ksoftirqd/011:46:070
139391310,9ptp4l401ktimersoftd/310:00:213
139391310,0ptp4l401ktimersoftd/308:11:403
139391310,0ptp4l401ktimersoftd/307:19:383
28136993025,3cyclictest41-21ksoftirqd/311:02:013
28136993022,3cyclictest41-21ksoftirqd/310:21:593
28135993024,4cyclictest33-21ksoftirqd/212:30:382
28135993024,4cyclictest33-21ksoftirqd/209:34:232
28135993024,4cyclictest33-21ksoftirqd/209:27:052
28135993024,4cyclictest33-21ksoftirqd/209:01:102
28135993024,4cyclictest33-21ksoftirqd/207:45:442
28134993024,4cyclictest25-21ksoftirqd/112:08:271
28134993024,4cyclictest25-21ksoftirqd/111:15:321
28133993025,3cyclictest9-21ksoftirqd/012:05:190
28133993025,3cyclictest9-21ksoftirqd/011:55:340
28133993025,3cyclictest9-21ksoftirqd/010:54:090
28133993025,3cyclictest9-21ksoftirqd/007:39:290
28133993024,4cyclictest9-21ksoftirqd/012:17:330
28133993024,4cyclictest9-21ksoftirqd/011:28:420
28133993024,4cyclictest9-21ksoftirqd/010:35:590
28133993024,4cyclictest9-21ksoftirqd/010:22:070
28133993024,4cyclictest9-21ksoftirqd/008:48:450
28133993024,4cyclictest9-21ksoftirqd/008:21:170
139391300,9ptp4l401ktimersoftd/308:30:243
139391300,0ptp4l401ktimersoftd/312:30:193
139391300,0ptp4l401ktimersoftd/310:45:453
139391300,0ptp4l401ktimersoftd/309:32:093
139391300,0ptp4l401ktimersoftd/307:53:373
28136992924,3cyclictest41-21ksoftirqd/312:03:043
28136992923,4cyclictest41-21ksoftirqd/308:19:073
28135992924,3cyclictest33-21ksoftirqd/211:19:212
28135992924,3cyclictest33-21ksoftirqd/209:54:322
28135992924,3cyclictest33-21ksoftirqd/208:15:382
28134992924,3cyclictest25-21ksoftirqd/112:35:111
28134992924,3cyclictest25-21ksoftirqd/108:23:541
28134992924,3cyclictest25-21ksoftirqd/107:30:231
28134992923,4cyclictest25-21ksoftirqd/111:31:131
28134992923,4cyclictest25-21ksoftirqd/107:59:181
28134992922,5cyclictest25-21ksoftirqd/110:39:421
28133992924,3cyclictest9-21ksoftirqd/010:40:520
28133992924,3cyclictest9-21ksoftirqd/009:37:340
28133992923,4cyclictest9-21ksoftirqd/012:26:440
28133992923,4cyclictest9-21ksoftirqd/011:30:270
28133992923,4cyclictest9-21ksoftirqd/010:56:020
28133992923,4cyclictest9-21ksoftirqd/009:03:130
28133992923,3cyclictest9-21ksoftirqd/008:17:360
28133992922,5cyclictest9-21ksoftirqd/007:20:340
28133992922,4cyclictest9-21ksoftirqd/007:55:130
139391290,0ptp4l401ktimersoftd/307:35:313
28136992823,3cyclictest41-21ksoftirqd/310:31:433
28136992822,4cyclictest41-21ksoftirqd/307:23:433
28135992823,3cyclictest33-21ksoftirqd/211:55:132
28135992823,3cyclictest33-21ksoftirqd/211:31:042
28135992823,3cyclictest33-21ksoftirqd/209:35:572
28135992823,3cyclictest33-21ksoftirqd/209:20:192
28135992823,3cyclictest33-21ksoftirqd/208:40:212
28135992823,3cyclictest33-21ksoftirqd/207:25:082
28135992823,3cyclictest33-21ksoftirqd/207:15:142
28135992822,4cyclictest33-21ksoftirqd/211:41:322
28135992822,4cyclictest33-21ksoftirqd/211:13:402
28135992822,4cyclictest33-21ksoftirqd/210:57:562
28135992822,4cyclictest33-21ksoftirqd/208:39:512
28135992822,4cyclictest33-21ksoftirqd/208:27:402
28134992823,3cyclictest25-21ksoftirqd/112:30:121
28134992823,3cyclictest25-21ksoftirqd/110:41:301
28134992823,3cyclictest25-21ksoftirqd/110:10:571
28134992823,3cyclictest25-21ksoftirqd/110:10:571
28134992822,4cyclictest25-21ksoftirqd/109:19:341
28134992822,3cyclictest25-21ksoftirqd/110:48:591
28133992823,3cyclictest9-21ksoftirqd/010:17:250
28133992823,3cyclictest9-21ksoftirqd/008:35:150
28133992823,3cyclictest9-21ksoftirqd/008:29:140
28135992722,3cyclictest33-21ksoftirqd/212:10:062
28135992722,3cyclictest33-21ksoftirqd/211:53:422
28135992722,3cyclictest33-21ksoftirqd/210:31:412
28135992722,3cyclictest33-21ksoftirqd/210:26:322
28135992721,4cyclictest33-21ksoftirqd/212:03:392
28135992721,4cyclictest33-21ksoftirqd/210:38:182
28134992722,3cyclictest25-21ksoftirqd/107:19:301
28134992721,4cyclictest25-21ksoftirqd/112:22:391
28134992721,4cyclictest25-21ksoftirqd/110:20:481
28134992721,4cyclictest25-21ksoftirqd/109:30:101
28133992722,3cyclictest9-21ksoftirqd/010:14:500
28133992722,3cyclictest9-21ksoftirqd/010:14:500
28133992721,4cyclictest9-21ksoftirqd/009:12:200
139391270,0ptp4l401ktimersoftd/311:31:413
28136992621,3cyclictest41-21ksoftirqd/311:42:183
28136992620,4cyclictest41-21ksoftirqd/311:53:483
28136992620,4cyclictest41-21ksoftirqd/309:08:243
28135992621,3cyclictest33-21ksoftirqd/211:24:552
28135992621,3cyclictest33-21ksoftirqd/210:17:312
28135992621,3cyclictest33-21ksoftirqd/209:06:222
28135992620,4cyclictest33-21ksoftirqd/207:34:092
28134992621,3cyclictest25-21ksoftirqd/112:27:231
28134992621,3cyclictest25-21ksoftirqd/111:45:201
28134992621,3cyclictest25-21ksoftirqd/109:41:251
28134992620,4cyclictest25-21ksoftirqd/108:00:351
28133992622,2cyclictest9-21ksoftirqd/009:15:250
28133992621,3cyclictest9-21ksoftirqd/012:23:270
28133992621,3cyclictest9-21ksoftirqd/011:38:210
28133992621,3cyclictest9-21ksoftirqd/007:47:280
28133992621,3cyclictest9-21ksoftirqd/007:16:520
28133992620,4cyclictest9-21ksoftirqd/012:03:370
28136992520,3cyclictest41-21ksoftirqd/311:07:133
28134992519,4cyclictest25-21ksoftirqd/108:08:541
28136992419,3cyclictest41-21ksoftirqd/312:07:393
28135992419,3cyclictest33-21ksoftirqd/211:47:012
28135992419,3cyclictest33-21ksoftirqd/208:03:202
28134992418,4cyclictest25-21ksoftirqd/111:28:281
28133992418,4cyclictest9-21ksoftirqd/007:33:390
28133992418,3cyclictest9-21ksoftirqd/011:18:510
57898230,2rtkit-daemon0-21swapper/109:28:501
28135991712,3cyclictest6650-21hddtemp_smartct09:45:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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