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2025-11-19 - 22:07
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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 the highest latencies:
System rackdslot3.osadl.org (updated Wed Nov 19, 2025 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191205171,23phc2sys0-21swapper/307:08:553
186762203169,22sleep20-21swapper/207:09:062
186742201167,23sleep00-21swapper/007:09:040
186702201168,22sleep10-21swapper/107:09:011
105472610,3sleep30-21swapper/308:00:013
136991570,1ptp4l401ktimersoftd/308:25:223
26412560,4sleep30-21swapper/307:40:273
59298470,9rtkit-daemon0-21swapper/212:02:442
19042994639,4cyclictest16321-21cat09:19:593
59298440,12rtkit-daemon0-21swapper/210:20:162
1371914432,5phc2sys0-21swapper/307:10:003
59298430,10rtkit-daemon0-21swapper/209:43:062
136991430,0ptp4l401ktimersoftd/310:17:013
59298420,8rtkit-daemon0-21swapper/311:34:073
19042994235,4cyclictest3239-21cron12:15:003
136991420,0ptp4l401ktimersoftd/307:30:273
59298410,9rtkit-daemon0-21swapper/311:42:553
59298410,9rtkit-daemon0-21swapper/309:21:453
59298390,9rtkit-daemon0-21swapper/310:47:553
59298390,9rtkit-daemon0-21swapper/212:37:352
59298390,9rtkit-daemon0-21swapper/211:33:262
59298390,9rtkit-daemon0-21swapper/211:20:462
59298390,8rtkit-daemon0-21swapper/311:23:053
59298390,10rtkit-daemon0-21swapper/212:27:252
19042993934,3cyclictest41-21ksoftirqd/311:39:593
19042993934,3cyclictest41-21ksoftirqd/307:40:003
59298380,9rtkit-daemon0-21swapper/209:34:052
19042993833,3cyclictest41-21ksoftirqd/308:50:003
19039993834,2cyclictest9-21ksoftirqd/009:45:000
59298370,3rtkit-daemon9620-21/usr/sbin/munin07:55:262
19042993733,3cyclictest41-21ksoftirqd/307:50:003
19042993733,2cyclictest41-21ksoftirqd/312:20:003
19042993732,3cyclictest41-21ksoftirqd/309:15:003
19042993731,4cyclictest41-21ksoftirqd/312:06:083
19042993731,4cyclictest41-21ksoftirqd/312:06:083
19042993729,5cyclictest41-21ksoftirqd/312:25:153
19040993733,3cyclictest25-21ksoftirqd/108:20:001
19040993732,3cyclictest25-21ksoftirqd/107:40:001
19042993632,3cyclictest41-21ksoftirqd/309:55:003
19042993629,4cyclictest41-21ksoftirqd/308:02:173
19041993631,3cyclictest33-21ksoftirqd/210:44:432
19041993630,4cyclictest33-21ksoftirqd/209:48:272
19041993630,4cyclictest33-21ksoftirqd/209:16:582
19041993629,5cyclictest33-21ksoftirqd/208:59:412
19041993629,4cyclictest33-21ksoftirqd/210:15:592
19040993631,3cyclictest25-21ksoftirqd/111:55:201
19040993630,4cyclictest25-21ksoftirqd/110:10:531
136991360,0ptp4l401ktimersoftd/309:44:233
19042993530,3cyclictest41-21ksoftirqd/309:35:033
19042993529,4cyclictest41-21ksoftirqd/310:38:473
19042993529,3cyclictest41-21ksoftirqd/310:55:003
19041993529,4cyclictest33-21ksoftirqd/210:03:392
19041993529,4cyclictest33-21ksoftirqd/209:26:012
19041993528,4cyclictest33-21ksoftirqd/207:47:072
19040993530,3cyclictest25-21ksoftirqd/108:35:011
19040993529,4cyclictest25-21ksoftirqd/112:35:021
19040993529,4cyclictest25-21ksoftirqd/109:45:001
19040993529,4cyclictest25-21ksoftirqd/108:01:271
19039993531,2cyclictest9-21ksoftirqd/008:15:000
19039993530,3cyclictest9-21ksoftirqd/011:40:000
132891350,1getstats8924-1kworker/3:2H11:56:023
19042993429,3cyclictest41-21ksoftirqd/312:35:213
19042993429,3cyclictest41-21ksoftirqd/312:32:323
19042993429,3cyclictest41-21ksoftirqd/312:00:193
19042993429,3cyclictest41-21ksoftirqd/310:30:013
19042993428,4cyclictest41-21ksoftirqd/311:53:523
19042993428,4cyclictest41-21ksoftirqd/311:17:343
19042993428,3cyclictest41-21ksoftirqd/310:40:213
19041993429,3cyclictest33-21ksoftirqd/211:51:342
19041993429,3cyclictest33-21ksoftirqd/211:25:322
19041993429,3cyclictest33-21ksoftirqd/210:31:382
19041993429,3cyclictest33-21ksoftirqd/207:12:592
19041993428,4cyclictest33-21ksoftirqd/209:04:022
19041993428,4cyclictest33-21ksoftirqd/208:22:462
19041993428,4cyclictest33-21ksoftirqd/207:26:262
19040993429,3cyclictest25-21ksoftirqd/110:50:201
19040993428,4cyclictest25-21ksoftirqd/112:14:161
19040993428,4cyclictest25-21ksoftirqd/111:29:111
19040993428,4cyclictest25-21ksoftirqd/111:23:491
19040993428,4cyclictest25-21ksoftirqd/110:08:361
19040993428,3cyclictest25-21ksoftirqd/109:20:001
19040993427,5cyclictest25-21ksoftirqd/111:16:521
19039993429,3cyclictest9-21ksoftirqd/011:30:200
19039993429,3cyclictest9-21ksoftirqd/010:00:010
19039993429,3cyclictest9-21ksoftirqd/008:40:000
19039993428,4cyclictest9-21ksoftirqd/010:41:280
19039993427,5cyclictest9-21ksoftirqd/011:51:280
1904299335,3cyclictest41-21ksoftirqd/308:40:003
19042993330,2cyclictest41-21ksoftirqd/308:19:343
19042993328,3cyclictest41-21ksoftirqd/308:20:363
19042993328,3cyclictest41-21ksoftirqd/308:10:123
19042993328,2cyclictest41-21ksoftirqd/311:10:003
19042993327,4cyclictest41-21ksoftirqd/310:30:373
19042993327,4cyclictest41-21ksoftirqd/308:05:383
19042993327,3cyclictest41-21ksoftirqd/310:05:013
19042993327,3cyclictest41-21ksoftirqd/307:53:363
19042993321,10cyclictest41-21ksoftirqd/308:50:243
19041993328,3cyclictest33-21ksoftirqd/210:55:152
19041993328,3cyclictest33-21ksoftirqd/209:37:172
19041993328,3cyclictest33-21ksoftirqd/208:53:092
19041993328,3cyclictest33-21ksoftirqd/207:42:572
19041993327,4cyclictest33-21ksoftirqd/211:56:082
19041993327,4cyclictest33-21ksoftirqd/211:16:502
19041993327,4cyclictest33-21ksoftirqd/211:12:512
19041993327,4cyclictest33-21ksoftirqd/210:07:362
19040993328,3cyclictest25-21ksoftirqd/111:48:521
19040993328,3cyclictest25-21ksoftirqd/110:50:001
19040993328,3cyclictest25-21ksoftirqd/110:25:141
19040993328,3cyclictest25-21ksoftirqd/108:10:111
19040993327,4cyclictest25-21ksoftirqd/112:22:101
19040993327,4cyclictest25-21ksoftirqd/112:05:011
19040993327,4cyclictest25-21ksoftirqd/112:05:011
19040993327,4cyclictest25-21ksoftirqd/111:11:271
19040993327,4cyclictest25-21ksoftirqd/109:07:471
19040993327,4cyclictest25-21ksoftirqd/108:53:141
19040993327,4cyclictest25-21ksoftirqd/107:55:091
19040993327,4cyclictest25-21ksoftirqd/107:26:171
19040993321,4cyclictest25-21ksoftirqd/109:11:401
19040993318,5cyclictest25-21ksoftirqd/108:37:221
19040993314,3cyclictest4728-21mailstats07:45:251
19039993328,3cyclictest9-21ksoftirqd/012:39:590
19039993328,3cyclictest9-21ksoftirqd/012:05:010
19039993328,3cyclictest9-21ksoftirqd/009:20:210
19039993328,3cyclictest9-21ksoftirqd/008:00:010
19039993327,4cyclictest9-21ksoftirqd/010:08:380
19039993327,4cyclictest9-21ksoftirqd/009:49:100
59298320,3rtkit-daemon566-21irqbalance07:28:360
19042993228,3cyclictest41-21ksoftirqd/309:30:013
19042993227,3cyclictest41-21ksoftirqd/311:45:213
19042993227,3cyclictest41-21ksoftirqd/308:35:013
19042993226,4cyclictest41-21ksoftirqd/312:22:203
19042993226,4cyclictest41-21ksoftirqd/311:01:063
19042993226,4cyclictest41-21ksoftirqd/309:07:253
19042993226,4cyclictest41-21ksoftirqd/307:19:493
19041993227,3cyclictest33-21ksoftirqd/208:47:262
19041993226,4cyclictest33-21ksoftirqd/212:30:542
19041993226,4cyclictest33-21ksoftirqd/212:11:412
19041993226,4cyclictest33-21ksoftirqd/210:25:102
19040993227,3cyclictest25-21ksoftirqd/110:24:031
19040993227,3cyclictest25-21ksoftirqd/109:00:231
19040993227,3cyclictest25-21ksoftirqd/108:21:291
19040993227,3cyclictest25-21ksoftirqd/107:53:131
19040993227,3cyclictest25-21ksoftirqd/107:41:251
19040993226,4cyclictest25-21ksoftirqd/112:17:371
19040993226,4cyclictest25-21ksoftirqd/109:53:591
19040993226,4cyclictest25-21ksoftirqd/109:33:461
19040993226,4cyclictest25-21ksoftirqd/109:29:051
19040993226,4cyclictest25-21ksoftirqd/108:28:311
19040993226,4cyclictest25-21ksoftirqd/107:11:171
19040993226,3cyclictest25-21ksoftirqd/111:50:161
19039993227,3cyclictest9-21ksoftirqd/012:07:420
19039993227,3cyclictest9-21ksoftirqd/012:07:410
19039993227,3cyclictest9-21ksoftirqd/007:23:390
19039993226,4cyclictest9-21ksoftirqd/010:55:570
19039993226,4cyclictest9-21ksoftirqd/010:36:020
19039993226,4cyclictest9-21ksoftirqd/009:35:090
19039993226,4cyclictest9-21ksoftirqd/008:05:000
19042993127,3cyclictest41-21ksoftirqd/308:55:153
19042993126,3cyclictest41-21ksoftirqd/309:45:213
19042993126,3cyclictest41-21ksoftirqd/307:22:403
19042993126,3cyclictest3216-21wc10:00:013
19042993126,2cyclictest27888-21grep07:25:323
19042993118,10cyclictest41-21ksoftirqd/308:40:223
19041993126,3cyclictest33-21ksoftirqd/210:54:252
19041993126,3cyclictest33-21ksoftirqd/208:38:472
19041993126,3cyclictest33-21ksoftirqd/208:10:412
19041993126,3cyclictest33-21ksoftirqd/207:21:252
19041993125,4cyclictest33-21ksoftirqd/211:42:312
19041993125,4cyclictest33-21ksoftirqd/210:35:082
19041993125,4cyclictest33-21ksoftirqd/209:56:182
19041993125,4cyclictest33-21ksoftirqd/208:43:532
19041993125,3cyclictest33-21ksoftirqd/208:15:132
19041993125,3cyclictest33-21ksoftirqd/208:00:162
19040993127,3cyclictest25-21ksoftirqd/111:05:181
19040993127,2cyclictest25-21ksoftirqd/111:44:591
19040993126,3cyclictest25-21ksoftirqd/112:05:001
19040993126,3cyclictest25-21ksoftirqd/110:59:001
19040993126,3cyclictest25-21ksoftirqd/108:41:471
19040993125,4cyclictest25-21ksoftirqd/112:32:141
19040993125,4cyclictest25-21ksoftirqd/110:38:411
19040993125,4cyclictest25-21ksoftirqd/110:34:041
19040993125,4cyclictest25-21ksoftirqd/108:59:121
19040993125,4cyclictest25-21ksoftirqd/107:24:491
19040993124,4cyclictest25-21ksoftirqd/107:20:001
19039993127,3cyclictest9-21ksoftirqd/011:00:220
19039993126,3cyclictest9-21ksoftirqd/011:45:160
19039993126,3cyclictest9-21ksoftirqd/008:20:200
19039993126,3cyclictest9-21ksoftirqd/007:45:000
19039993125,4cyclictest9-21ksoftirqd/012:24:170
19039993125,4cyclictest9-21ksoftirqd/011:57:140
19039993125,4cyclictest9-21ksoftirqd/011:09:120
19039993125,4cyclictest9-21ksoftirqd/009:17:280
19039993125,4cyclictest9-21ksoftirqd/008:33:240
19039993125,4cyclictest9-21ksoftirqd/007:39:080
19039993125,3cyclictest9-21ksoftirqd/010:55:010
19039993125,3cyclictest9-21ksoftirqd/010:30:010
19042993026,3cyclictest41-21ksoftirqd/309:30:213
19042993026,3cyclictest41-21ksoftirqd/309:00:173
19042993025,3cyclictest41-21ksoftirqd/311:25:283
19042993025,3cyclictest41-21ksoftirqd/311:11:383
19041993024,4cyclictest33-21ksoftirqd/212:18:432
19041993024,4cyclictest33-21ksoftirqd/209:22:282
19040993025,3cyclictest25-21ksoftirqd/109:40:001
19039993025,3cyclictest9-21ksoftirqd/012:17:330
19039993025,3cyclictest9-21ksoftirqd/011:27:400
19039993025,3cyclictest9-21ksoftirqd/009:34:270
19039993025,3cyclictest9-21ksoftirqd/008:53:010
19039993025,3cyclictest9-21ksoftirqd/008:25:180
19039993025,3cyclictest9-21ksoftirqd/007:15:000
19039993024,4cyclictest9-21ksoftirqd/012:12:270
19039993024,4cyclictest9-21ksoftirqd/010:13:240
19039993024,4cyclictest9-21ksoftirqd/009:51:140
19039993024,4cyclictest9-21ksoftirqd/008:47:560
19039993024,4cyclictest9-21ksoftirqd/008:08:400
19042992923,4cyclictest41-21ksoftirqd/310:08:063
19041992924,3cyclictest33-21ksoftirqd/212:05:362
19041992924,3cyclictest33-21ksoftirqd/212:05:352
19041992924,3cyclictest33-21ksoftirqd/209:52:022
19041992924,3cyclictest33-21ksoftirqd/207:37:012
19041992924,3cyclictest33-21ksoftirqd/207:17:002
19041992923,4cyclictest33-21ksoftirqd/212:22:592
19041992923,4cyclictest33-21ksoftirqd/209:12:222
19041992923,4cyclictest33-21ksoftirqd/209:07:282
19041992923,4cyclictest33-21ksoftirqd/208:27:272
19041992923,3cyclictest33-21ksoftirqd/211:46:152
19040992924,3cyclictest25-21ksoftirqd/111:30:311
19040992924,3cyclictest25-21ksoftirqd/110:19:471
19040992923,4cyclictest25-21ksoftirqd/108:06:081
19039992925,2cyclictest9-21ksoftirqd/010:05:000
19039992925,2cyclictest9-21ksoftirqd/009:30:010
19039992924,3cyclictest9-21ksoftirqd/012:30:130
19039992923,4cyclictest9-21ksoftirqd/011:24:170
19039992923,4cyclictest9-21ksoftirqd/010:21:470
136991290,0ptp4l401ktimersoftd/310:13:253
59298280,2rtkit-daemon0-21swapper/211:02:052
19042992822,4cyclictest41-21ksoftirqd/310:59:403
19042992822,3cyclictest41-21ksoftirqd/310:25:003
19041992823,3cyclictest33-21ksoftirqd/210:46:042
19041992823,3cyclictest33-21ksoftirqd/208:32:342
19041992822,4cyclictest33-21ksoftirqd/211:07:422
19041992822,4cyclictest33-21ksoftirqd/207:31:562
19040992823,3cyclictest25-21ksoftirqd/107:35:001
19040992822,4cyclictest25-21ksoftirqd/111:38:011
19040992822,4cyclictest25-21ksoftirqd/111:02:551
19039992824,3cyclictest9-21ksoftirqd/010:45:200
19039992823,3cyclictest9-21ksoftirqd/010:15:520
19039992823,3cyclictest9-21ksoftirqd/008:19:520
19039992822,4cyclictest9-21ksoftirqd/011:42:070
19039992822,4cyclictest9-21ksoftirqd/009:12:190
19039992822,4cyclictest9-21ksoftirqd/007:45:340
19041992722,3cyclictest33-21ksoftirqd/207:52:552
19041992721,4cyclictest33-21ksoftirqd/211:38:322
19040992722,3cyclictest25-21ksoftirqd/112:25:481
19040992722,3cyclictest25-21ksoftirqd/110:42:491
19040992722,3cyclictest25-21ksoftirqd/109:47:361
19040992722,3cyclictest25-21ksoftirqd/109:21:241
19039992722,3cyclictest9-21ksoftirqd/012:29:030
19039992722,3cyclictest9-21ksoftirqd/011:20:000
19039992722,3cyclictest9-21ksoftirqd/010:30:190
19039992722,3cyclictest9-21ksoftirqd/007:35:010
19039992722,3cyclictest9-21ksoftirqd/007:15:200
19039992721,4cyclictest9-21ksoftirqd/008:55:060
19040992621,3cyclictest25-21ksoftirqd/110:02:581
19040992621,3cyclictest25-21ksoftirqd/108:45:191
19040992619,4cyclictest25-21ksoftirqd/109:59:301
19039992621,3cyclictest9-21ksoftirqd/009:01:510
19039992621,3cyclictest9-21ksoftirqd/007:50:210
19039992620,4cyclictest9-21ksoftirqd/011:14:130
59298250,2rtkit-daemon1285-21snmpd10:11:392
19039992519,3cyclictest9-21ksoftirqd/008:40:220
19041992318,3cyclictest33-21ksoftirqd/208:07:372
19039992217,3cyclictest9-21ksoftirqd/009:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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