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2026-04-26 - 05:17
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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 Apr 26, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206172,22phc2sys0-21swapper/319:06:583
36142205170,23sleep20-21swapper/219:07:202
36382204172,21sleep10-21swapper/119:07:381
35272202169,22sleep00-21swapper/019:06:180
1394918363,11phc2sys0-21swapper/319:10:003
54792670,2sleep00-21swapper/022:35:130
173742600,2sleep00-21swapper/019:35:260
139391570,1ptp4l401ktimersoftd/322:40:293
139391560,0ptp4l401ktimersoftd/321:01:573
257872540,2sleep20-21swapper/219:55:132
139391540,0ptp4l401ktimersoftd/320:39:223
139391530,1ptp4l391rcuc/322:00:343
4110994920,3cyclictest25-21ksoftirqd/123:25:211
4110994819,3cyclictest25-21ksoftirqd/120:45:251
4110994812,4cyclictest25-21ksoftirqd/120:10:211
139391480,1ptp4l401ktimersoftd/319:55:373
4110994718,3cyclictest25-21ksoftirqd/100:40:001
4110994710,9cyclictest25-21ksoftirqd/120:15:121
4110994710,4cyclictest25-21ksoftirqd/121:35:141
410999473,40cyclictest32467-21ls20:10:010
4109994711,22cyclictest1317-21runrttasks20:36:350
411099469,8cyclictest25-21ksoftirqd/122:25:231
411099468,8cyclictest25-21ksoftirqd/119:10:181
4110994516,3cyclictest25-21ksoftirqd/120:50:231
4110994511,7cyclictest25-21ksoftirqd/120:30:141
139391450,0ptp4l401ktimersoftd/322:16:033
411099449,4cyclictest25-21ksoftirqd/123:30:241
411099448,8cyclictest25-21ksoftirqd/121:25:251
411099447,7cyclictest25-21ksoftirqd/100:15:161
4110994418,4cyclictest25-21ksoftirqd/100:11:251
4110994418,3cyclictest25-21ksoftirqd/121:40:241
4110994416,4cyclictest25-21ksoftirqd/123:15:211
4110994416,4cyclictest25-21ksoftirqd/120:25:221
4110994416,3cyclictest25-21ksoftirqd/121:05:131
4110994412,5cyclictest25-21ksoftirqd/121:45:161
4110994411,4cyclictest25-21ksoftirqd/123:45:281
4110994411,4cyclictest25-21ksoftirqd/120:55:191
139391440,1ptp4l391rcuc/323:25:533
411099437,8cyclictest25-21ksoftirqd/100:25:241
411099437,7cyclictest25-21ksoftirqd/123:05:241
411099436,8cyclictest25-21ksoftirqd/119:50:171
4110994316,3cyclictest25-21ksoftirqd/122:40:261
4110994314,4cyclictest25-21ksoftirqd/120:44:011
4110994311,7cyclictest25-21ksoftirqd/123:10:221
4110994310,7cyclictest25-21ksoftirqd/122:55:241
4110994310,4cyclictest25-21ksoftirqd/121:15:021
139391430,0ptp4l401ktimersoftd/322:58:523
139391430,0ptp4l401ktimersoftd/319:34:293
411099428,6cyclictest25-21ksoftirqd/123:35:191
411099428,4cyclictest25-21ksoftirqd/119:35:221
411099427,8cyclictest25-21ksoftirqd/123:00:191
4110994215,4cyclictest25-21ksoftirqd/119:23:541
4110994214,4cyclictest25-21ksoftirqd/122:34:291
4110994214,3cyclictest25-21ksoftirqd/100:05:001
4110994212,9cyclictest25-21ksoftirqd/122:15:181
139391420,0ptp4l401ktimersoftd/323:45:173
139391420,0ptp4l401ktimersoftd/319:36:053
411099417,6cyclictest25-21ksoftirqd/123:45:001
4110994116,7cyclictest25-21ksoftirqd/100:35:001
4110994111,7cyclictest25-21ksoftirqd/122:35:151
4110994110,4cyclictest25-21ksoftirqd/100:05:261
139391410,0ptp4l401ktimersoftd/321:22:073
139391410,0ptp4l401ktimersoftd/320:45:173
411099409,7cyclictest25-21ksoftirqd/121:10:161
411099406,7cyclictest25-21ksoftirqd/119:45:191
411099404,4cyclictest25-21ksoftirqd/119:40:261
411099404,3cyclictest10883-21tr22:45:191
4110994012,7cyclictest25-21ksoftirqd/119:34:591
4111993934,3cyclictest33-21ksoftirqd/200:40:002
411099398,8cyclictest25-21ksoftirqd/120:00:171
4110993935,2cyclictest25-21ksoftirqd/121:00:171
4110993934,3cyclictest25-21ksoftirqd/122:15:011
411099391,5cyclictest25-21ksoftirqd/123:55:231
411099391,5cyclictest25-21ksoftirqd/120:35:201
411099390,2cyclictest13381-21cron19:30:001
139391390,0ptp4l401ktimersoftd/320:20:153
411099384,7cyclictest25-21ksoftirqd/121:30:151
4110993833,3cyclictest25-21ksoftirqd/100:20:151
411099381,4cyclictest25-21ksoftirqd/123:50:161
411099380,5cyclictest25-21ksoftirqd/119:15:241
139391380,0ptp4l401ktimersoftd/321:15:023
134391380,1getstats0-21swapper/322:35:433
4112993728,7cyclictest41-21ksoftirqd/300:25:013
4111993732,3cyclictest33-21ksoftirqd/219:35:002
4111993726,9cyclictest33-21ksoftirqd/220:05:152
411099378,6cyclictest25-21ksoftirqd/122:05:251
4110993732,2cyclictest25-21ksoftirqd/119:55:171
4110993731,3cyclictest25-21ksoftirqd/121:25:001
4110993730,4cyclictest25-21ksoftirqd/122:24:031
411099371,4cyclictest25-21ksoftirqd/121:55:131
4110993710,8cyclictest25-21ksoftirqd/122:50:141
4109993730,4cyclictest9-21ksoftirqd/021:42:580
139391370,0ptp4l401ktimersoftd/321:54:443
4112993631,3cyclictest41-21ksoftirqd/322:13:383
4112993630,4cyclictest41-21ksoftirqd/322:21:083
4112993630,4cyclictest41-21ksoftirqd/321:42:503
4112993630,4cyclictest41-21ksoftirqd/320:42:203
4111993632,2cyclictest33-21ksoftirqd/222:54:592
4111993631,3cyclictest33-21ksoftirqd/223:15:002
4111993631,3cyclictest33-21ksoftirqd/223:02:462
4111993630,4cyclictest33-21ksoftirqd/222:55:492
4111993630,4cyclictest33-21ksoftirqd/222:15:332
4111993630,4cyclictest33-21ksoftirqd/200:20:252
4111993630,4cyclictest33-21ksoftirqd/200:10:162
411099365,3cyclictest121rcu_preempt20:21:341
4110993632,2cyclictest25-21ksoftirqd/120:05:231
4110993629,4cyclictest25-21ksoftirqd/121:51:331
4112993529,4cyclictest41-21ksoftirqd/321:58:213
4111993530,3cyclictest33-21ksoftirqd/221:15:122
4111993529,4cyclictest33-21ksoftirqd/222:04:062
4111993529,4cyclictest33-21ksoftirqd/221:11:232
4111993529,4cyclictest33-21ksoftirqd/221:04:132
4111993529,4cyclictest33-21ksoftirqd/200:08:292
4110993530,3cyclictest25-21ksoftirqd/122:00:241
4109993529,4cyclictest9-21ksoftirqd/019:20:530
4112993428,4cyclictest41-21ksoftirqd/321:27:203
4112993428,4cyclictest41-21ksoftirqd/320:59:163
4112993428,4cyclictest41-21ksoftirqd/320:10:423
4112993428,4cyclictest41-21ksoftirqd/300:06:303
4112993428,3cyclictest41-21ksoftirqd/322:25:043
4112993427,4cyclictest41-21ksoftirqd/323:00:073
4111993431,2cyclictest33-21ksoftirqd/222:25:002
4111993430,2cyclictest33-21ksoftirqd/223:55:012
4111993429,3cyclictest33-21ksoftirqd/200:30:192
4111993428,4cyclictest33-21ksoftirqd/220:12:542
4111993428,4cyclictest33-21ksoftirqd/219:37:032
4111993428,4cyclictest33-21ksoftirqd/219:14:062
4111993428,3cyclictest33-21ksoftirqd/221:46:292
4110993429,2cyclictest25-21ksoftirqd/123:20:181
4109993429,3cyclictest9-21ksoftirqd/021:55:450
4109993428,4cyclictest9-21ksoftirqd/022:17:120
4109993428,4cyclictest9-21ksoftirqd/020:02:150
4109993428,3cyclictest9-21ksoftirqd/022:55:070
410999340,4cyclictest23310-21latency_hist00:20:010
4112993328,3cyclictest41-21ksoftirqd/323:50:543
4112993328,3cyclictest41-21ksoftirqd/320:50:133
4112993328,3cyclictest41-21ksoftirqd/319:41:233
4112993327,4cyclictest41-21ksoftirqd/323:08:583
4112993327,4cyclictest41-21ksoftirqd/321:34:423
4112993327,4cyclictest41-21ksoftirqd/321:09:033
4112993326,5cyclictest41-21ksoftirqd/323:20:573
4111993328,3cyclictest33-21ksoftirqd/223:25:132
4111993328,3cyclictest33-21ksoftirqd/222:05:202
4111993328,3cyclictest33-21ksoftirqd/221:23:502
4111993328,3cyclictest33-21ksoftirqd/221:10:002
4111993328,3cyclictest33-21ksoftirqd/219:26:112
4111993327,4cyclictest33-21ksoftirqd/223:06:042
4111993327,4cyclictest33-21ksoftirqd/222:42:292
4111993327,4cyclictest33-21ksoftirqd/222:37:442
4111993327,4cyclictest33-21ksoftirqd/221:53:432
4111993327,4cyclictest33-21ksoftirqd/220:25:332
4111993327,4cyclictest33-21ksoftirqd/220:24:052
4111993327,4cyclictest33-21ksoftirqd/200:16:592
4111993327,3cyclictest33-21ksoftirqd/220:05:002
4109993328,3cyclictest9-21ksoftirqd/023:47:160
4109993327,4cyclictest9-21ksoftirqd/023:56:300
4109993327,4cyclictest9-21ksoftirqd/022:30:560
4109993327,4cyclictest9-21ksoftirqd/022:22:410
4109993327,4cyclictest9-21ksoftirqd/020:00:000
4109993327,4cyclictest9-21ksoftirqd/019:11:070
4109993327,3cyclictest9-21ksoftirqd/023:51:340
4112993226,4cyclictest41-21ksoftirqd/323:15:003
4112993226,4cyclictest41-21ksoftirqd/322:53:093
4112993226,4cyclictest41-21ksoftirqd/322:09:243
4112993226,4cyclictest41-21ksoftirqd/320:25:103
4112993226,4cyclictest41-21ksoftirqd/300:26:003
4111993228,2cyclictest33-21ksoftirqd/222:15:002
4111993227,3cyclictest33-21ksoftirqd/222:00:022
4111993227,3cyclictest33-21ksoftirqd/220:40:122
4111993226,4cyclictest33-21ksoftirqd/223:15:472
4111993226,4cyclictest33-21ksoftirqd/220:49:242
4111993226,4cyclictest33-21ksoftirqd/219:54:122
4111993226,3cyclictest33-21ksoftirqd/221:25:192
4109993227,3cyclictest9-21ksoftirqd/023:25:560
4109993227,3cyclictest9-21ksoftirqd/000:02:360
4109993226,4cyclictest9-21ksoftirqd/022:08:490
4109993226,4cyclictest9-21ksoftirqd/000:06:060
4109993226,3cyclictest9-21ksoftirqd/021:35:310
4109993226,3cyclictest9-21ksoftirqd/020:33:130
4109993212,17cyclictest22918-21if_err_enp4s023:10:170
4109993211,19cyclictest426-21ls23:30:220
4112993126,3cyclictest41-21ksoftirqd/323:39:473
4112993126,3cyclictest41-21ksoftirqd/320:17:343
4111993125,4cyclictest33-21ksoftirqd/221:35:462
4111993125,4cyclictest33-21ksoftirqd/220:56:302
4111993125,3cyclictest33-21ksoftirqd/219:40:592
4111993125,3cyclictest33-21ksoftirqd/200:00:142
410999319,19cyclictest8094-21wc21:30:290
410999318,20cyclictest28345-21cpuspeed_turbos00:30:140
4109993126,3cyclictest9-21ksoftirqd/023:08:300
4109993126,3cyclictest9-21ksoftirqd/019:18:520
4109993125,4cyclictest9-21ksoftirqd/022:10:340
4109993125,4cyclictest9-21ksoftirqd/000:39:280
4109993124,4cyclictest9-21ksoftirqd/023:22:430
4109993111,17cyclictest12789-21cstates22:50:130
4109993110,18cyclictest31811-21cpuspeed_turbos21:15:140
410999310,4cyclictest2035-21/usr/sbin/munin22:25:240
139391310,0ptp4l401ktimersoftd/322:32:273
4112993024,4cyclictest41-21ksoftirqd/322:48:443
4112993024,4cyclictest41-21ksoftirqd/321:45:333
4112993024,4cyclictest41-21ksoftirqd/320:08:053
4112993024,4cyclictest41-21ksoftirqd/319:46:483
4112993024,4cyclictest41-21ksoftirqd/319:20:203
4112993024,4cyclictest41-21ksoftirqd/319:17:443
4112993024,4cyclictest41-21ksoftirqd/300:02:053
4111993025,3cyclictest33-21ksoftirqd/222:48:022
4111993024,4cyclictest33-21ksoftirqd/223:23:292
4111993024,4cyclictest33-21ksoftirqd/219:18:342
4111993018,10cyclictest33-21ksoftirqd/222:35:002
410999308,19cyclictest2212-21hwlatdetect21:20:170
410999307,3cyclictest26111-21df00:25:130
4109993025,3cyclictest9-21ksoftirqd/020:42:520
4109993025,3cyclictest9-21ksoftirqd/019:43:080
4109993024,4cyclictest9-21ksoftirqd/023:16:490
4109993024,4cyclictest9-21ksoftirqd/020:54:080
4109993024,4cyclictest9-21ksoftirqd/020:29:280
4109993024,4cyclictest9-21ksoftirqd/019:49:370
4109993011,16cyclictest5470-21sendmail_mailst21:25:240
139391300,0ptp4l401ktimersoftd/323:17:153
139391300,0ptp4l401ktimersoftd/320:00:263
139391300,0ptp4l401ktimersoftd/319:54:553
4112992923,4cyclictest41-21ksoftirqd/300:15:593
4111992925,2cyclictest33-21ksoftirqd/200:00:012
4111992924,3cyclictest33-21ksoftirqd/223:44:432
4111992924,3cyclictest33-21ksoftirqd/221:40:172
4111992924,3cyclictest33-21ksoftirqd/220:32:222
4111992924,3cyclictest33-21ksoftirqd/219:21:092
4111992923,4cyclictest33-21ksoftirqd/220:35:052
4111992923,4cyclictest33-21ksoftirqd/219:49:392
4111992918,9cyclictest33-21ksoftirqd/223:45:142
4111992918,9cyclictest33-21ksoftirqd/220:15:242
4111992917,11cyclictest33-21ksoftirqd/222:25:162
410999299,17cyclictest31235-21sh21:15:000
410999299,17cyclictest20834-21grep22:00:140
410999298,18cyclictest18310-21ptp4l-jitter20:45:240
410999297,19cyclictest3015-21df20:15:130
4109992924,3cyclictest9-21ksoftirqd/023:40:520
4109992924,3cyclictest9-21ksoftirqd/021:06:110
4109992924,3cyclictest9-21ksoftirqd/020:55:110
4109992924,3cyclictest9-21ksoftirqd/020:11:340
4109992923,4cyclictest9-21ksoftirqd/022:44:030
4109992923,4cyclictest9-21ksoftirqd/020:23:430
4109992912,14cyclictest23655-21idleruntime19:50:160
410999290,14cyclictest25539-21chrt00:24:330
139391290,0ptp4l401ktimersoftd/323:40:233
139391290,0ptp4l401ktimersoftd/319:27:343
139391290,0ptp4l401ktimersoftd/300:39:403
139391290,0ptp4l401ktimersoftd/300:31:243
4112992823,3cyclictest41-21ksoftirqd/320:30:073
4111992822,4cyclictest33-21ksoftirqd/223:39:212
4111992822,3cyclictest33-21ksoftirqd/220:50:002
4111992817,9cyclictest33-21ksoftirqd/223:30:252
410999286,19cyclictest11813-21sort19:25:170
410999285,4cyclictest11516-21ptp4l22:45:240
410999283,19cyclictest1815-21apt-get23:35:110
4109992824,3cyclictest9-21ksoftirqd/000:12:560
4109992823,3cyclictest9-21ksoftirqd/019:33:030
410999280,3cyclictest15614-21runrttasks21:48:360
4112992722,3cyclictest41-21ksoftirqd/321:14:453
4111992720,4cyclictest33-21ksoftirqd/200:25:142
4109992721,4cyclictest9-21ksoftirqd/021:03:110
410999271,7cyclictest18211-21sort21:55:000
4112992621,3cyclictest41-21ksoftirqd/323:31:443
4112992621,3cyclictest41-21ksoftirqd/321:38:323
4109992621,3cyclictest9-21ksoftirqd/023:02:330
4112992519,3cyclictest41-21ksoftirqd/300:11:593
4111992519,4cyclictest33-21ksoftirqd/221:33:452
139391250,0ptp4l401ktimersoftd/323:55:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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