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2025-11-16 - 23:00
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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 Sun Nov 16, 2025 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191203169,22phc2sys0-21swapper/307:06:353
279362202168,23sleep00-21swapper/007:09:040
279332201168,22sleep20-21swapper/207:09:022
279072200167,22sleep10-21swapper/107:08:411
2375921560,3sleep32831799cyclictest12:35:283
298792600,5sleep329877-21tail09:25:463
28316995825,4cyclictest33-21ksoftirqd/207:25:002
297092550,2sleep20-21swapper/209:25:452
28316995322,4cyclictest33-21ksoftirqd/208:45:002
136991530,1ptp4l401ktimersoftd/311:05:293
29922490,2sleep20-21swapper/209:40:012
132891490,2getstats0-21swapper/309:20:193
28317994814,14cyclictest41-21ksoftirqd/308:05:173
132891470,1getstats0-21swapper/308:20:183
2831799447,3cyclictest41-21ksoftirqd/311:30:153
2831799447,3cyclictest41-21ksoftirqd/311:30:153
28316994415,3cyclictest33-21ksoftirqd/211:00:162
2831699440,9cyclictest33-21ksoftirqd/212:15:002
2831799434,3cyclictest121rcu_preempt10:20:223
136991430,36ptp4l0-21swapper/307:10:013
136991430,0ptp4l401ktimersoftd/310:18:353
28317994236,3cyclictest41-21ksoftirqd/309:00:013
28316994136,3cyclictest33-21ksoftirqd/210:30:002
28316994136,3cyclictest20811-21turbostat.cron09:10:002
136991410,0ptp4l401ktimersoftd/308:40:383
2831799407,8cyclictest41-21ksoftirqd/312:25:233
28317994029,3cyclictest41-21ksoftirqd/308:15:263
28317993935,2cyclictest41-21ksoftirqd/307:40:003
28317993935,2cyclictest41-21ksoftirqd/307:40:003
2831799391,3cyclictest121rcu_preempt11:40:013
28316993924,4cyclictest33-21ksoftirqd/210:45:232
28316993924,4cyclictest33-21ksoftirqd/210:05:162
2831499390,37cyclictest26947-21cron10:30:000
136991390,1ptp4l401ktimersoftd/309:53:443
2831799385,4cyclictest41-21ksoftirqd/311:25:293
28317993834,2cyclictest41-21ksoftirqd/308:15:003
28317993833,3cyclictest41-21ksoftirqd/310:49:593
28317993833,3cyclictest12201-21sshd09:59:273
2831799381,3cyclictest41-21ksoftirqd/308:28:043
2831799380,5cyclictest41-21ksoftirqd/307:51:503
2831699384,4cyclictest33-21ksoftirqd/210:30:262
28316993833,3cyclictest33-21ksoftirqd/210:20:012
28316993823,4cyclictest33-21ksoftirqd/207:39:592
28316993823,4cyclictest33-21ksoftirqd/207:39:592
28316993822,4cyclictest33-21ksoftirqd/210:54:382
28316993822,4cyclictest33-21ksoftirqd/210:54:382
28317993733,2cyclictest41-21ksoftirqd/311:54:593
28317993731,3cyclictest41-21ksoftirqd/307:25:193
28316993723,3cyclictest33-21ksoftirqd/208:05:222
28316993722,4cyclictest33-21ksoftirqd/210:00:182
28316993722,4cyclictest33-21ksoftirqd/208:15:242
136991370,1ptp4l1687-21irqstats07:20:203
2831799367,4cyclictest41-21ksoftirqd/311:40:233
2831799365,4cyclictest121rcu_preempt09:15:133
2831799365,4cyclictest121rcu_preempt09:15:133
2831799363,3cyclictest121rcu_preempt10:50:263
2831799363,3cyclictest121rcu_preempt10:50:263
28317993632,3cyclictest41-21ksoftirqd/309:45:013
28317993632,2cyclictest41-21ksoftirqd/307:20:013
28317993631,3cyclictest41-21ksoftirqd/310:10:163
28317993630,3cyclictest41-21ksoftirqd/309:04:593
2831799361,8cyclictest41-21ksoftirqd/312:10:333
2831799361,5cyclictest41-21ksoftirqd/310:00:173
2831699364,3cyclictest33-21ksoftirqd/211:45:002
28316993632,2cyclictest33-21ksoftirqd/208:05:002
28316993631,3cyclictest33-21ksoftirqd/209:50:132
28316993630,4cyclictest33-21ksoftirqd/212:26:002
28316993629,4cyclictest33-21ksoftirqd/207:40:022
28316993625,3cyclictest33-21ksoftirqd/207:25:282
28316993623,11cyclictest33-21ksoftirqd/212:40:012
28316993622,3cyclictest33-21ksoftirqd/211:10:012
28316993622,3cyclictest33-21ksoftirqd/210:40:002
28316993621,3cyclictest33-21ksoftirqd/210:40:182
28316993621,3cyclictest33-21ksoftirqd/208:50:112
28315993631,3cyclictest25-21ksoftirqd/110:19:591
28314993630,4cyclictest9-21ksoftirqd/012:01:200
2831799356,3cyclictest121rcu_preempt12:20:143
2831799355,3cyclictest121rcu_preempt08:45:203
2831799354,3cyclictest121rcu_preempt12:20:013
28317993531,3cyclictest41-21ksoftirqd/307:40:283
28317993531,2cyclictest41-21ksoftirqd/310:44:593
28317993530,3cyclictest41-21ksoftirqd/312:34:593
28317993530,3cyclictest41-21ksoftirqd/307:47:203
28317993529,4cyclictest41-21ksoftirqd/310:06:053
2831699357,3cyclictest33-21ksoftirqd/209:30:262
28316993530,3cyclictest33-21ksoftirqd/212:20:002
28316993530,3cyclictest33-21ksoftirqd/211:15:302
28316993530,3cyclictest33-21ksoftirqd/210:55:252
28316993530,3cyclictest33-21ksoftirqd/209:55:282
28316993530,3cyclictest33-21ksoftirqd/209:24:592
28316993530,3cyclictest33-21ksoftirqd/208:55:152
28316993529,4cyclictest33-21ksoftirqd/208:21:262
28316993522,3cyclictest33-21ksoftirqd/211:10:162
28316993521,4cyclictest33-21ksoftirqd/208:10:152
28316993521,3cyclictest33-21ksoftirqd/211:50:282
28316993521,3cyclictest33-21ksoftirqd/207:30:152
28316993520,4cyclictest33-21ksoftirqd/207:18:442
28316993520,3cyclictest33-21ksoftirqd/211:30:262
28316993520,3cyclictest33-21ksoftirqd/211:30:262
28315993529,4cyclictest25-21ksoftirqd/112:22:521
28315993528,4cyclictest25-21ksoftirqd/107:34:521
2831799345,3cyclictest121rcu_preempt10:35:183
2831799344,4cyclictest121rcu_preempt08:00:203
28317993429,3cyclictest41-21ksoftirqd/312:04:593
28317993429,3cyclictest41-21ksoftirqd/310:30:293
28317993429,3cyclictest41-21ksoftirqd/309:35:153
28317993429,3cyclictest41-21ksoftirqd/309:10:283
28317993428,4cyclictest41-21ksoftirqd/308:32:503
28317993427,4cyclictest41-21ksoftirqd/311:16:023
2831799342,3cyclictest41-21ksoftirqd/312:05:233
2831799341,3cyclictest121rcu_preempt11:10:213
28316993430,2cyclictest33-21ksoftirqd/210:10:262
28316993429,3cyclictest33-21ksoftirqd/212:05:002
28316993429,3cyclictest33-21ksoftirqd/211:58:052
28316993429,3cyclictest33-21ksoftirqd/211:25:162
28316993429,3cyclictest33-21ksoftirqd/209:40:282
28316993429,3cyclictest33-21ksoftirqd/208:25:162
28316993428,4cyclictest33-21ksoftirqd/209:14:422
28316993427,5cyclictest33-21ksoftirqd/212:15:092
28316993425,7cyclictest33-21ksoftirqd/212:05:282
28316993422,3cyclictest33-21ksoftirqd/207:10:242
28316993420,4cyclictest33-21ksoftirqd/209:00:212
2831699341,3cyclictest121rcu_preempt11:24:592
28315993428,4cyclictest25-21ksoftirqd/109:53:041
28315993428,4cyclictest25-21ksoftirqd/109:01:531
28314993428,4cyclictest9-21ksoftirqd/009:57:230
28314993428,4cyclictest9-21ksoftirqd/007:26:520
28314993427,5cyclictest9-21ksoftirqd/011:19:040
2831799336,3cyclictest121rcu_preempt08:35:203
28317993330,2cyclictest41-21ksoftirqd/309:07:333
28317993328,3cyclictest41-21ksoftirqd/311:50:003
28317993328,3cyclictest41-21ksoftirqd/311:21:293
28317993328,3cyclictest41-21ksoftirqd/310:55:143
28317993328,3cyclictest41-21ksoftirqd/309:45:283
28317993328,3cyclictest41-21ksoftirqd/307:30:153
2831799331,9cyclictest41-21ksoftirqd/311:00:273
28316993329,2cyclictest33-21ksoftirqd/207:50:002
28316993328,3cyclictest33-21ksoftirqd/210:20:162
28316993328,2cyclictest33-21ksoftirqd/207:50:142
28316993320,3cyclictest33-21ksoftirqd/208:35:262
28315993328,3cyclictest25-21ksoftirqd/111:54:261
28315993327,4cyclictest25-21ksoftirqd/112:29:001
28315993327,4cyclictest25-21ksoftirqd/110:03:231
28315993327,4cyclictest25-21ksoftirqd/109:17:591
28315993327,4cyclictest25-21ksoftirqd/109:17:591
28315993327,4cyclictest25-21ksoftirqd/108:03:351
28315993327,4cyclictest25-21ksoftirqd/107:41:381
28315993327,4cyclictest25-21ksoftirqd/107:16:181
28315993327,4cyclictest25-21ksoftirqd/107:12:131
28315993327,3cyclictest25-21ksoftirqd/111:32:261
28315993327,3cyclictest25-21ksoftirqd/111:32:261
28314993328,3cyclictest9-21ksoftirqd/012:33:210
28314993327,4cyclictest9-21ksoftirqd/010:24:440
28314993327,4cyclictest9-21ksoftirqd/010:09:440
28314993327,4cyclictest9-21ksoftirqd/009:47:290
28314993327,4cyclictest9-21ksoftirqd/008:57:110
28314993327,4cyclictest9-21ksoftirqd/007:40:560
28314993327,4cyclictest9-21ksoftirqd/007:30:500
2831799323,3cyclictest121rcu_preempt11:55:233
28317993228,3cyclictest41-21ksoftirqd/309:30:183
28317993227,3cyclictest41-21ksoftirqd/310:25:153
2831799320,4cyclictest41-21ksoftirqd/308:50:243
28316993227,3cyclictest33-21ksoftirqd/211:45:132
28316993226,4cyclictest33-21ksoftirqd/209:45:102
28316993226,3cyclictest33-21ksoftirqd/211:35:142
28316993220,3cyclictest33-21ksoftirqd/212:30:272
28316993219,4cyclictest33-21ksoftirqd/208:30:202
28315993227,3cyclictest25-21ksoftirqd/111:49:051
28315993227,3cyclictest25-21ksoftirqd/109:24:521
28315993226,4cyclictest25-21ksoftirqd/112:31:131
28315993226,4cyclictest25-21ksoftirqd/110:53:251
28315993226,4cyclictest25-21ksoftirqd/110:53:251
28315993226,4cyclictest25-21ksoftirqd/110:31:351
28315993226,4cyclictest25-21ksoftirqd/110:10:361
28315993226,4cyclictest25-21ksoftirqd/109:36:461
28315993226,4cyclictest25-21ksoftirqd/108:57:561
28315993226,4cyclictest25-21ksoftirqd/107:51:001
28315993226,4cyclictest25-21ksoftirqd/107:47:311
28315993225,5cyclictest25-21ksoftirqd/111:16:561
28315993225,5cyclictest25-21ksoftirqd/109:14:251
28315993225,5cyclictest25-21ksoftirqd/107:20:481
28314993227,3cyclictest9-21ksoftirqd/008:45:390
28314993226,4cyclictest9-21ksoftirqd/008:35:320
28314993225,5cyclictest9-21ksoftirqd/008:43:110
28314993225,4cyclictest9-21ksoftirqd/009:20:120
28316993127,3cyclictest33-21ksoftirqd/207:55:162
28316993117,5cyclictest33-21ksoftirqd/209:15:262
28316993117,5cyclictest33-21ksoftirqd/209:15:252
28315993126,3cyclictest25-21ksoftirqd/111:39:261
28315993126,3cyclictest25-21ksoftirqd/108:39:461
28315993125,4cyclictest25-21ksoftirqd/111:25:111
28315993125,4cyclictest25-21ksoftirqd/109:43:081
28315993125,4cyclictest25-21ksoftirqd/109:25:321
28315993125,4cyclictest25-21ksoftirqd/109:05:131
28315993125,4cyclictest25-21ksoftirqd/107:58:471
28315993124,5cyclictest25-21ksoftirqd/110:58:271
28314993126,3cyclictest9-21ksoftirqd/011:05:200
28314993126,3cyclictest9-21ksoftirqd/010:53:080
28314993126,3cyclictest9-21ksoftirqd/010:53:070
28314993125,4cyclictest9-21ksoftirqd/011:51:210
28314993125,4cyclictest9-21ksoftirqd/011:02:190
28314993125,4cyclictest9-21ksoftirqd/009:42:520
28314993125,4cyclictest9-21ksoftirqd/009:15:360
28314993125,4cyclictest9-21ksoftirqd/009:15:350
28314993125,4cyclictest9-21ksoftirqd/008:52:000
28314993125,4cyclictest9-21ksoftirqd/007:36:030
28314993125,4cyclictest9-21ksoftirqd/007:36:030
28314993125,3cyclictest9-21ksoftirqd/009:35:060
28314993124,5cyclictest9-21ksoftirqd/008:03:550
28317993026,2cyclictest41-21ksoftirqd/307:55:153
28316993024,4cyclictest33-21ksoftirqd/208:46:492
28315993025,3cyclictest25-21ksoftirqd/110:35:421
28315993025,3cyclictest25-21ksoftirqd/110:25:051
28315993024,4cyclictest25-21ksoftirqd/111:09:011
28315993024,4cyclictest25-21ksoftirqd/111:03:071
28315993024,4cyclictest25-21ksoftirqd/109:57:131
28315993024,4cyclictest25-21ksoftirqd/108:46:411
28314993025,3cyclictest9-21ksoftirqd/011:57:130
28314993025,3cyclictest9-21ksoftirqd/011:26:140
28314993025,3cyclictest9-21ksoftirqd/010:39:080
28314993025,3cyclictest9-21ksoftirqd/008:08:280
28314993024,4cyclictest9-21ksoftirqd/012:24:540
28314993024,4cyclictest9-21ksoftirqd/010:11:280
28314993024,4cyclictest9-21ksoftirqd/008:10:010
28314993024,4cyclictest9-21ksoftirqd/007:46:410
28314993024,4cyclictest9-21ksoftirqd/007:17:580
28315992924,3cyclictest25-21ksoftirqd/108:11:011
28315992923,4cyclictest25-21ksoftirqd/112:17:301
28315992923,4cyclictest25-21ksoftirqd/111:40:131
28315992923,4cyclictest25-21ksoftirqd/111:24:551
28315992923,4cyclictest25-21ksoftirqd/110:48:471
28315992923,4cyclictest25-21ksoftirqd/110:24:531
28315992923,4cyclictest25-21ksoftirqd/108:05:041
28314992924,3cyclictest9-21ksoftirqd/010:57:370
28314992924,3cyclictest9-21ksoftirqd/010:16:560
28314992924,3cyclictest9-21ksoftirqd/009:09:430
28314992924,3cyclictest9-21ksoftirqd/008:30:540
28314992923,4cyclictest9-21ksoftirqd/012:06:140
28314992923,4cyclictest9-21ksoftirqd/011:23:320
28314992923,4cyclictest9-21ksoftirqd/009:31:090
28315992824,2cyclictest25-21ksoftirqd/111:59:591
28315992823,3cyclictest25-21ksoftirqd/111:10:191
28315992823,3cyclictest25-21ksoftirqd/109:31:251
28315992822,4cyclictest25-21ksoftirqd/112:07:171
28315992822,4cyclictest25-21ksoftirqd/109:48:141
28314992823,3cyclictest9-21ksoftirqd/010:40:330
28314992822,4cyclictest9-21ksoftirqd/011:32:550
28314992822,4cyclictest9-21ksoftirqd/011:32:550
28314992822,4cyclictest9-21ksoftirqd/008:16:110
28315992722,3cyclictest25-21ksoftirqd/108:43:201
28315992721,4cyclictest25-21ksoftirqd/112:38:471
28315992721,4cyclictest25-21ksoftirqd/110:05:171
28315992721,4cyclictest25-21ksoftirqd/108:32:111
28315992720,5cyclictest25-21ksoftirqd/110:43:221
28314992722,3cyclictest9-21ksoftirqd/011:42:580
28314992722,3cyclictest9-21ksoftirqd/010:49:200
28314992722,3cyclictest9-21ksoftirqd/009:03:120
28314992722,3cyclictest9-21ksoftirqd/008:23:560
28314992721,4cyclictest9-21ksoftirqd/012:38:350
28314992721,4cyclictest9-21ksoftirqd/011:47:270
28314992721,4cyclictest9-21ksoftirqd/011:35:400
28315992622,3cyclictest25-21ksoftirqd/108:25:011
28315992620,4cyclictest25-21ksoftirqd/108:20:001
28314992621,3cyclictest9-21ksoftirqd/010:33:460
28314992620,4cyclictest9-21ksoftirqd/009:13:110
28315992519,3cyclictest25-21ksoftirqd/112:00:121
28314992520,3cyclictest9-21ksoftirqd/009:52:540
28314992520,3cyclictest9-21ksoftirqd/008:29:040
28314992520,3cyclictest9-21ksoftirqd/007:50:390
28314992519,4cyclictest9-21ksoftirqd/010:03:260
28314992519,4cyclictest9-21ksoftirqd/007:20:100
28315992418,4cyclictest25-21ksoftirqd/112:12:441
28315992417,4cyclictest11882-21df08:50:151
28314992419,3cyclictest9-21ksoftirqd/012:11:020
28314992418,4cyclictest9-21ksoftirqd/012:19:290
28314992318,3cyclictest9-21ksoftirqd/009:25:350
28314992317,4cyclictest9-21ksoftirqd/012:26:020
28315992217,3cyclictest25-21ksoftirqd/107:30:001
28315992215,4cyclictest32226-21df08:25:161
28314992217,3cyclictest9-21ksoftirqd/007:57:310
28314992216,4cyclictest9-21ksoftirqd/007:11:120
28314992115,4cyclictest9-21ksoftirqd/011:12:380
28315991914,3cyclictest25-21ksoftirqd/107:35:221
28315991914,3cyclictest25-21ksoftirqd/107:35:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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