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2026-06-18 - 21:10
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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 376 highest latencies:
System rackdslot1.osadl.org (updated Thu Jun 18, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2434821630,2sleep0531899cyclictest10:10:100
1190821250,6sleep2532099cyclictest09:40:272
5321997029,8cyclictest41-21ksoftirqd/310:02:223
5321996632,7cyclictest41-21ksoftirqd/309:20:013
5321996627,7cyclictest41-21ksoftirqd/307:40:273
5321996624,11cyclictest41-21ksoftirqd/310:54:013
5321996529,5cyclictest41-21ksoftirqd/307:45:253
5321996528,4cyclictest41-21ksoftirqd/311:34:373
5321996425,8cyclictest41-21ksoftirqd/307:13:443
5321996422,11cyclictest41-21ksoftirqd/309:10:023
5321996330,9cyclictest41-21ksoftirqd/311:40:233
5321996330,9cyclictest41-21ksoftirqd/311:40:233
5321996324,8cyclictest41-21ksoftirqd/309:50:063
5321996228,8cyclictest41-21ksoftirqd/308:00:173
5321996226,8cyclictest41-21ksoftirqd/311:55:173
5321996225,8cyclictest41-21ksoftirqd/311:17:273
5321996225,7cyclictest41-21ksoftirqd/308:37:253
5321996224,7cyclictest41-21ksoftirqd/309:00:143
5321996224,4cyclictest41-21ksoftirqd/312:27:533
134491620,5ptp4l0-21swapper/009:50:110
5321996127,7cyclictest41-21ksoftirqd/311:20:233
5321996125,4cyclictest41-21ksoftirqd/309:30:183
5321996125,10cyclictest41-21ksoftirqd/311:10:013
5321996029,9cyclictest41-21ksoftirqd/312:00:243
5321996029,7cyclictest41-21ksoftirqd/309:25:133
5321996027,10cyclictest41-21ksoftirqd/307:35:193
5321996021,4cyclictest41-21ksoftirqd/308:50:233
5321995924,8cyclictest41-21ksoftirqd/310:15:013
5321995923,7cyclictest41-21ksoftirqd/310:35:403
5321995919,8cyclictest41-21ksoftirqd/308:06:323
5321995828,7cyclictest41-21ksoftirqd/310:05:133
5321995828,3cyclictest41-21ksoftirqd/308:25:003
5321995826,6cyclictest41-21ksoftirqd/309:35:183
5321995820,8cyclictest41-21ksoftirqd/309:55:263
134491580,4ptp4l0-21swapper/208:09:062
134491580,4ptp4l0-21swapper/207:10:512
134491580,3ptp4l0-21swapper/212:16:502
134491580,3ptp4l0-21swapper/211:45:222
134491580,3ptp4l0-21swapper/007:40:240
532199573,7cyclictest12451-21latency_hist08:35:003
532199573,7cyclictest12451-21latency_hist08:35:003
5321995731,7cyclictest41-21ksoftirqd/312:05:193
5321995731,6cyclictest41-21ksoftirqd/312:35:223
5321995728,7cyclictest41-21ksoftirqd/311:25:123
5321995726,9cyclictest41-21ksoftirqd/309:45:143
5321995724,7cyclictest41-21ksoftirqd/308:10:253
5321995722,6cyclictest41-21ksoftirqd/308:55:243
5321995720,7cyclictest41-21ksoftirqd/309:40:293
5321995720,7cyclictest41-21ksoftirqd/307:31:133
134491570,4ptp4l0-21swapper/208:45:082
134491570,4ptp4l0-21swapper/207:05:042
5321995621,10cyclictest41-21ksoftirqd/312:24:203
134491560,4ptp4l0-21swapper/109:29:311
134491560,3ptp4l0-21swapper/210:09:012
5321995525,8cyclictest41-21ksoftirqd/311:55:013
5321995518,8cyclictest41-21ksoftirqd/307:52:123
5321995518,8cyclictest41-21ksoftirqd/307:52:123
134491550,4ptp4l0-21swapper/307:20:293
134491550,4ptp4l0-21swapper/210:15:202
134491550,3ptp4l0-21swapper/207:40:112
532199543,6cyclictest0-21swapper/310:10:243
5321995428,6cyclictest41-21ksoftirqd/309:20:143
5321995420,6cyclictest41-21ksoftirqd/308:25:143
134491540,4ptp4l0-21swapper/011:13:300
134491540,4ptp4l0-21swapper/011:13:300
134491540,3ptp4l0-21swapper/207:15:192
5321995324,4cyclictest41-21ksoftirqd/312:35:013
5321995323,7cyclictest41-21ksoftirqd/308:15:133
5321995322,4cyclictest41-21ksoftirqd/310:45:143
260412530,6sleep0531899cyclictest11:20:240
134491530,4ptp4l0-21swapper/112:16:241
134491530,4ptp4l0-21swapper/011:35:120
134491530,4ptp4l0-21swapper/009:35:580
532199523,7cyclictest3694-21awk10:34:593
5321995219,7cyclictest41-21ksoftirqd/310:25:143
134491520,4ptp4l0-21swapper/311:12:533
134491520,4ptp4l0-21swapper/311:12:533
134491520,4ptp4l0-21swapper/012:06:580
134491520,4ptp4l0-21swapper/010:25:530
134491520,4ptp4l0-21swapper/008:49:090
134491520,3ptp4l0-21swapper/212:26:542
134491520,3ptp4l0-21swapper/210:50:302
532199516,3cyclictest41-21ksoftirqd/307:55:203
532199515,3cyclictest41-21ksoftirqd/308:45:153
532199513,7cyclictest121rcu_preempt08:40:353
5321995122,3cyclictest41-21ksoftirqd/311:00:283
5321995120,8cyclictest41-21ksoftirqd/307:15:243
5321995119,7cyclictest41-21ksoftirqd/311:35:243
532199511,6cyclictest121rcu_preempt10:23:213
134491510,5ptp4l0-21swapper/007:09:440
134491510,4ptp4l0-21swapper/211:30:362
134491510,4ptp4l0-21swapper/208:54:482
134491510,4ptp4l0-21swapper/009:11:170
134491510,4ptp4l0-21swapper/008:52:270
134491510,3ptp4l0-21swapper/009:07:120
134491510,3ptp4l0-21swapper/009:07:120
532199503,7cyclictest121rcu_preempt07:28:093
5321995019,9cyclictest41-21ksoftirqd/309:10:013
5321995019,9cyclictest41-21ksoftirqd/309:10:013
134491500,4ptp4l0-21swapper/011:48:050
134491500,4ptp4l0-21swapper/008:58:200
134491500,4ptp4l0-21swapper/007:19:260
134491500,3ptp4l0-21swapper/008:22:350
532199492,7cyclictest121rcu_preempt12:18:273
134491490,4ptp4l0-21swapper/209:03:452
134491490,4ptp4l0-21swapper/111:51:351
134491490,4ptp4l0-21swapper/011:04:010
134491490,4ptp4l0-21swapper/008:42:480
134491490,3ptp4l0-21swapper/210:42:072
134491490,3ptp4l0-21swapper/210:42:072
134491490,3ptp4l0-21swapper/208:30:222
134491490,3ptp4l0-21swapper/208:30:222
134491490,10ptp4l0-21swapper/107:57:161
134491480,5ptp4l0-21swapper/210:35:352
134491480,4ptp4l0-21swapper/208:59:482
134491480,4ptp4l0-21swapper/112:32:561
134491480,4ptp4l0-21swapper/009:59:560
134491480,4ptp4l0-21swapper/009:46:120
134491480,4ptp4l0-21swapper/009:04:460
134491480,4ptp4l0-21swapper/008:39:530
134491480,3ptp4l0-21swapper/311:45:263
134491480,3ptp4l0-21swapper/112:12:341
134491480,3ptp4l0-21swapper/112:12:341
134491480,3ptp4l0-21swapper/111:31:551
134491480,3ptp4l0-21swapper/107:45:311
134491480,12ptp4l0-21swapper/007:35:230
532199473,2cyclictest121rcu_preempt10:55:253
532199472,8cyclictest121rcu_preempt10:44:143
532199472,8cyclictest121rcu_preempt10:44:143
532199471,2cyclictest121rcu_preempt12:10:163
532199471,2cyclictest121rcu_preempt12:10:163
134491470,4ptp4l0-21swapper/211:10:472
134491470,4ptp4l0-21swapper/211:10:472
134491470,4ptp4l0-21swapper/108:14:341
134491470,4ptp4l0-21swapper/011:33:180
134491470,4ptp4l0-21swapper/010:49:490
134491470,3ptp4l0-21swapper/207:23:052
134491470,11ptp4l0-21swapper/209:05:242
134491470,11ptp4l0-21swapper/209:05:242
134491460,5ptp4l0-21swapper/209:10:112
134491460,4ptp4l0-21swapper/209:30:422
134491460,4ptp4l0-21swapper/208:25:152
134491460,4ptp4l0-21swapper/107:33:511
134491460,3ptp4l0-21swapper/211:00:042
134491460,2ptp4l0-21swapper/208:15:202
134491460,11ptp4l0-21swapper/112:09:551
134491450,3ptp4l0-21swapper/009:15:130
134491450,10ptp4l0-21swapper/007:11:450
134491440,9ptp4l0-21swapper/108:26:231
134491440,5ptp4l0-21swapper/211:15:592
134491440,5ptp4l0-21swapper/107:09:451
134491440,5ptp4l0-21swapper/009:25:250
134491430,4ptp4l0-21swapper/211:09:272
134491430,3ptp4l0-21swapper/210:03:402
5319994238,2cyclictest25-21ksoftirqd/109:20:011
134491420,5ptp4l26966-21hddtemp_smartct07:55:162
134491420,5ptp4l0-21swapper/011:29:530
134491420,4ptp4l29417-21iostat08:00:161
134491420,4ptp4l28918-21apt-get10:20:031
134491420,4ptp4l13692-21ls08:35:201
134491420,4ptp4l0-21swapper/210:10:262
134491420,4ptp4l0-21swapper/012:20:160
134491420,3ptp4l311rcuc/212:34:092
134491420,3ptp4l13167-21apt-get12:05:122
134491420,3ptp4l0-21swapper/209:45:012
134491420,10ptp4l0-21swapper/208:13:262
134491410,5ptp4l0-21swapper/307:05:213
134491410,5ptp4l0-21swapper/112:03:001
134491410,5ptp4l0-21swapper/010:20:180
134491410,5ptp4l0-21swapper/007:55:150
134491410,4ptp4l32105-21memory08:05:201
134491410,4ptp4l23616-21users07:45:270
134491410,4ptp4l0-21swapper/210:34:132
134491410,4ptp4l0-21swapper/210:29:452
134491410,4ptp4l0-21swapper/111:05:231
134491410,4ptp4l0-21swapper/108:45:311
134491410,4ptp4l0-21swapper/012:35:170
134491410,4ptp4l0-21swapper/012:34:400
134491410,4ptp4l0-21swapper/012:03:440
134491410,4ptp4l0-21swapper/011:54:580
134491410,4ptp4l0-21swapper/011:06:270
134491410,4ptp4l0-21swapper/010:56:380
134491410,4ptp4l0-21swapper/010:35:110
134491410,4ptp4l0-21swapper/009:42:290
134491410,3ptp4l17435-21apt-get09:55:122
134491410,3ptp4l16494-21ls08:40:271
134491410,3ptp4l14141-21ls10:55:192
134491410,1ptp4l0-21swapper/008:30:150
134491410,1ptp4l0-21swapper/008:30:150
134491400,5ptp4l0-21swapper/112:27:161
134491400,5ptp4l0-21swapper/108:35:011
134491400,5ptp4l0-21swapper/108:35:011
134491400,5ptp4l0-21swapper/012:27:490
134491400,5ptp4l0-21swapper/011:55:040
134491400,5ptp4l0-21swapper/011:15:260
134491400,5ptp4l0-21swapper/010:31:270
134491400,5ptp4l0-21swapper/008:05:110
134491400,5ptp4l0-21swapper/007:30:250
134491400,4ptp4l11987-21ntp_states12:00:222
134491400,4ptp4l0-21swapper/212:20:212
134491400,4ptp4l0-21swapper/211:55:422
134491400,4ptp4l0-21swapper/211:40:222
134491400,4ptp4l0-21swapper/211:40:222
134491400,4ptp4l0-21swapper/209:50:222
134491400,4ptp4l0-21swapper/111:40:141
134491400,4ptp4l0-21swapper/111:40:141
134491400,4ptp4l0-21swapper/111:10:231
134491400,4ptp4l0-21swapper/111:10:231
134491400,4ptp4l0-21swapper/110:51:551
134491400,4ptp4l0-21swapper/110:25:051
134491400,4ptp4l0-21swapper/110:10:111
134491400,4ptp4l0-21swapper/109:11:431
134491400,4ptp4l0-21swapper/109:07:501
134491400,4ptp4l0-21swapper/109:07:501
134491400,4ptp4l0-21swapper/108:20:051
134491400,4ptp4l0-21swapper/107:10:141
134491400,4ptp4l0-21swapper/012:16:470
134491400,4ptp4l0-21swapper/010:52:360
134491400,4ptp4l0-21swapper/010:05:160
134491400,4ptp4l0-21swapper/010:00:580
134491400,4ptp4l0-21swapper/009:31:120
134491400,4ptp4l0-21swapper/007:50:200
134491400,4ptp4l0-21swapper/007:50:200
134491400,3ptp4l32106-21ls09:15:202
134491400,3ptp4l2179-21ntp_states08:10:230
134491400,3ptp4l17122-21apt-get07:35:122
134491400,3ptp4l13414-21df10:55:141
134491400,3ptp4l0-21swapper/211:36:582
134491400,3ptp4l0-21swapper/010:40:230
134491400,3ptp4l0-21swapper/010:40:230
134491390,5ptp4l0-21swapper/207:25:412
134491390,5ptp4l0-21swapper/107:35:201
134491390,4ptp4l10404-21cat09:40:131
134491390,4ptp4l0-21swapper/212:39:582
134491390,4ptp4l0-21swapper/212:13:142
134491390,4ptp4l0-21swapper/212:13:142
134491390,4ptp4l0-21swapper/211:52:422
134491390,4ptp4l0-21swapper/211:25:062
134491390,4ptp4l0-21swapper/211:24:022
134491390,4ptp4l0-21swapper/209:25:392
134491390,4ptp4l0-21swapper/208:40:082
134491390,4ptp4l0-21swapper/208:36:482
134491390,4ptp4l0-21swapper/208:00:102
134491390,4ptp4l0-21swapper/207:30:082
134491390,4ptp4l0-21swapper/112:36:031
134491390,4ptp4l0-21swapper/112:20:201
134491390,4ptp4l0-21swapper/111:55:071
134491390,4ptp4l0-21swapper/111:35:361
134491390,4ptp4l0-21swapper/111:27:381
134491390,4ptp4l0-21swapper/111:23:401
134491390,4ptp4l0-21swapper/111:17:061
134491390,4ptp4l0-21swapper/111:00:461
134491390,4ptp4l0-21swapper/110:45:081
134491390,4ptp4l0-21swapper/110:35:551
134491390,4ptp4l0-21swapper/110:32:421
134491390,4ptp4l0-21swapper/109:55:161
134491390,4ptp4l0-21swapper/109:50:101
134491390,4ptp4l0-21swapper/109:35:151
134491390,4ptp4l0-21swapper/109:00:181
134491390,4ptp4l0-21swapper/108:59:351
134491390,4ptp4l0-21swapper/108:50:281
134491390,4ptp4l0-21swapper/108:15:101
134491390,4ptp4l0-21swapper/107:40:301
134491390,4ptp4l0-21swapper/107:20:401
134491390,4ptp4l0-21swapper/012:10:180
134491390,4ptp4l0-21swapper/012:10:180
134491390,4ptp4l0-21swapper/011:40:030
134491390,4ptp4l0-21swapper/011:40:030
134491390,4ptp4l0-21swapper/010:15:360
134491390,4ptp4l0-21swapper/008:25:270
134491390,4ptp4l0-21swapper/008:15:080
134491390,4ptp4l0-21swapper/008:04:570
134491390,4ptp4l0-21swapper/007:20:210
134491390,3ptp4l9496-21ls10:45:202
134491390,3ptp4l0-21swapper/110:08:301
134491390,3ptp4l0-21swapper/007:26:220
134491380,4ptp4l0-21swapper/210:21:412
134491380,4ptp4l0-21swapper/209:35:182
134491380,4ptp4l0-21swapper/209:22:062
134491380,4ptp4l0-21swapper/207:47:192
134491380,4ptp4l0-21swapper/111:48:171
134491380,4ptp4l0-21swapper/110:43:071
134491380,4ptp4l0-21swapper/110:43:071
134491380,4ptp4l0-21swapper/110:15:291
134491380,4ptp4l0-21swapper/109:46:491
134491380,4ptp4l0-21swapper/109:22:201
134491380,4ptp4l0-21swapper/107:50:121
134491380,4ptp4l0-21swapper/107:50:121
134491380,4ptp4l0-21swapper/107:27:011
134491380,4ptp4l0-21swapper/107:17:071
134491380,3ptp4l0-21swapper/208:22:322
134491380,3ptp4l0-21swapper/110:00:141
134491370,3ptp4l0-21swapper/207:50:152
134491370,3ptp4l0-21swapper/207:50:152
134491370,3ptp4l0-21swapper/109:32:361
134491370,3ptp4l0-21swapper/009:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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