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2025-10-25 - 05:59
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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 rackdslot4.osadl.org (updated Sat Oct 25, 2025 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791205170,23phc2sys0-21swapper/319:07:313
176762204169,23sleep10-21swapper/119:07:311
177622200166,22sleep00-21swapper/019:08:390
177592200167,22sleep20-21swapper/219:08:372
67622740,4sleep16763-21irqrtprio20:55:181
18341996930,7cyclictest33-21ksoftirqd/223:07:212
18341996925,6cyclictest33-21ksoftirqd/221:35:002
258382670,1sleep30-21swapper/320:30:123
18341996422,4cyclictest33-21ksoftirqd/223:15:192
18341996321,10cyclictest33-21ksoftirqd/222:50:262
18341996321,10cyclictest33-21ksoftirqd/222:50:262
18341996230,6cyclictest33-21ksoftirqd/219:25:252
18341996029,6cyclictest33-21ksoftirqd/200:05:212
18341996021,4cyclictest33-21ksoftirqd/219:55:162
18336996057,2cyclictest111rcuc/019:39:530
18336996056,2cyclictest111rcuc/019:18:550
18341995922,4cyclictest33-21ksoftirqd/222:00:162
18341995919,4cyclictest33-21ksoftirqd/220:25:002
18336995927,4cyclictest9-21ksoftirqd/020:10:010
18341995828,6cyclictest33-21ksoftirqd/200:35:182
18341995827,5cyclictest33-21ksoftirqd/222:05:242
18341995826,6cyclictest33-21ksoftirqd/223:10:242
18341995820,4cyclictest33-21ksoftirqd/221:05:152
18341995820,4cyclictest33-21ksoftirqd/221:05:152
59322570,6sleep11833899cyclictest00:07:261
18341995726,6cyclictest33-21ksoftirqd/221:00:232
18341995724,6cyclictest33-21ksoftirqd/220:35:192
18341995721,9cyclictest33-21ksoftirqd/219:30:152
245512560,2sleep324555-21phc2sys22:35:263
18341995621,8cyclictest33-21ksoftirqd/222:10:212
18341995616,9cyclictest33-21ksoftirqd/220:15:202
18336995625,4cyclictest9-21ksoftirqd/022:50:140
18336995625,4cyclictest9-21ksoftirqd/022:50:130
18341995526,8cyclictest33-21ksoftirqd/221:20:282
18341995526,6cyclictest33-21ksoftirqd/221:15:182
18341995525,4cyclictest33-21ksoftirqd/223:25:112
18341995515,5cyclictest33-21ksoftirqd/222:45:222
134991550,0ptp4l401ktimersoftd/300:01:273
1834199547,8cyclictest33-21ksoftirqd/219:15:292
18341995421,8cyclictest33-21ksoftirqd/223:00:222
18341995420,8cyclictest33-21ksoftirqd/220:25:252
18341995419,8cyclictest33-21ksoftirqd/220:30:212
18341995418,10cyclictest33-21ksoftirqd/219:45:142
18341995320,6cyclictest33-21ksoftirqd/200:20:172
18341995319,7cyclictest33-21ksoftirqd/221:25:192
18341995318,8cyclictest33-21ksoftirqd/222:15:262
18341995316,8cyclictest33-21ksoftirqd/219:10:182
1833699534,7cyclictest27633-21grep20:30:260
1833699533,7cyclictest26691-21cut21:35:200
142642530,1sleep00-21swapper/021:10:210
18342995223,4cyclictest41-21ksoftirqd/319:55:003
18341995221,11cyclictest33-21ksoftirqd/221:49:522
18341995216,8cyclictest33-21ksoftirqd/222:20:182
18341995215,3cyclictest33-21ksoftirqd/222:25:252
18342995144,4cyclictest17891-21cron21:20:013
18342995122,4cyclictest41-21ksoftirqd/323:25:243
18342995115,13cyclictest41-21ksoftirqd/319:44:323
18341995135,8cyclictest33-21ksoftirqd/200:30:002
1834199512,5cyclictest33-21ksoftirqd/223:45:002
18341995117,8cyclictest33-21ksoftirqd/220:59:232
18341995111,11cyclictest33-21ksoftirqd/222:55:142
18342995021,3cyclictest41-21ksoftirqd/323:45:243
1834199501,9cyclictest33-21ksoftirqd/221:35:242
18341995016,7cyclictest33-21ksoftirqd/220:50:172
18341995011,11cyclictest33-21ksoftirqd/223:45:152
1834199500,2cyclictest121rcu_preempt20:45:002
18342994920,3cyclictest41-21ksoftirqd/323:20:283
18342994918,3cyclictest41-21ksoftirqd/300:35:203
1834199497,10cyclictest33-21ksoftirqd/222:35:162
1834199493,7cyclictest33-21ksoftirqd/221:55:222
18341994922,6cyclictest33-21ksoftirqd/223:50:152
18341994913,3cyclictest33-21ksoftirqd/223:30:162
1834199490,9cyclictest33-21ksoftirqd/222:45:002
1833699492,15cyclictest30007-21sed19:30:280
18342994821,4cyclictest41-21ksoftirqd/300:20:023
18342994820,2cyclictest41-21ksoftirqd/319:31:263
18342994817,7cyclictest41-21ksoftirqd/320:15:283
1834199486,3cyclictest33-21ksoftirqd/221:50:182
1834199483,2cyclictest121rcu_preempt00:00:002
1834199483,2cyclictest121rcu_preempt00:00:002
18341994830,9cyclictest33-21ksoftirqd/219:54:592
1834199481,6cyclictest33-21ksoftirqd/200:00:232
18341994813,10cyclictest33-21ksoftirqd/219:20:152
1833699483,6cyclictest101ktimersoftd/023:40:210
1833699480,7cyclictest101ktimersoftd/020:55:120
1833699480,5cyclictest101ktimersoftd/020:15:010
1834299479,7cyclictest41-21ksoftirqd/322:55:143
18342994720,4cyclictest41-21ksoftirqd/320:50:203
18341994733,4cyclictest33-21ksoftirqd/219:40:242
1834199472,5cyclictest33-21ksoftirqd/220:00:152
18341994717,5cyclictest33-21ksoftirqd/200:30:012
18341994712,4cyclictest33-21ksoftirqd/219:39:412
1833699475,6cyclictest18332-21cyclictest22:30:000
18336994715,3cyclictest9-21ksoftirqd/020:36:470
1833699470,5cyclictest5749-21latency_hist23:05:000
1834299467,7cyclictest41-21ksoftirqd/323:15:013
18342994620,3cyclictest41-21ksoftirqd/320:05:213
18342994615,4cyclictest41-21ksoftirqd/321:45:243
18342994615,4cyclictest41-21ksoftirqd/319:20:193
1834199466,3cyclictest33-21ksoftirqd/200:10:142
1834199462,7cyclictest33-21ksoftirqd/200:15:162
1834199461,2cyclictest121rcu_preempt21:15:002
1833699463,6cyclictest101ktimersoftd/021:40:180
1833699461,7cyclictest20680-21cat19:15:000
18336994617,8cyclictest9-21ksoftirqd/000:19:120
18336994616,7cyclictest9-21ksoftirqd/022:10:300
1833699461,5cyclictest3180-21sort20:50:000
1833699460,7cyclictest3526-21/usr/sbin/munin21:55:270
1833699460,6cyclictest1393-21basename22:55:170
140792460,2sleep20-21swapper/220:05:172
18342994540,3cyclictest41-21ksoftirqd/320:39:593
18342994530,4cyclictest41-21ksoftirqd/300:25:313
18342994518,4cyclictest41-21ksoftirqd/323:15:193
18342994518,3cyclictest41-21ksoftirqd/319:10:263
18342994516,4cyclictest41-21ksoftirqd/319:15:163
18342994512,7cyclictest41-21ksoftirqd/323:35:273
1834199454,3cyclictest15092-21chrt23:21:142
1834199451,8cyclictest33-21ksoftirqd/223:35:152
1833699455,5cyclictest9-21ksoftirqd/023:45:250
1833699451,6cyclictest21570-21date00:40:000
18342994429,4cyclictest41-21ksoftirqd/321:00:003
18342994419,3cyclictest41-21ksoftirqd/323:00:273
18342994418,4cyclictest41-21ksoftirqd/322:05:223
18342994418,3cyclictest41-21ksoftirqd/321:40:193
18342994416,3cyclictest41-21ksoftirqd/320:25:143
18342994414,4cyclictest41-21ksoftirqd/323:55:203
18342994414,4cyclictest41-21ksoftirqd/323:55:203
18342994412,3cyclictest41-21ksoftirqd/322:15:283
1834199446,6cyclictest33-21ksoftirqd/221:40:142
1834199443,2cyclictest121rcu_preempt22:35:002
1834199440,2cyclictest121rcu_preempt20:45:282
1833699447,5cyclictest9-21ksoftirqd/023:37:270
1833699445,4cyclictest9-21ksoftirqd/022:45:120
18336994437,4cyclictest13200-21cron20:05:000
1833699441,7cyclictest4844-21sed00:05:220
1833699440,5cyclictest101ktimersoftd/000:20:240
1834299437,4cyclictest41-21ksoftirqd/320:10:173
1834299434,2cyclictest41-21ksoftirqd/319:55:173
18342994331,3cyclictest41-21ksoftirqd/323:50:273
18342994330,4cyclictest41-21ksoftirqd/321:35:233
18342994312,3cyclictest41-21ksoftirqd/321:55:193
18342994311,4cyclictest41-21ksoftirqd/300:30:163
1834199432,2cyclictest33-21ksoftirqd/220:10:262
1833699430,41cyclictest101ktimersoftd/000:00:000
1834299429,8cyclictest41-21ksoftirqd/320:45:003
1834299423,8cyclictest41-21ksoftirqd/323:40:223
1833699423,7cyclictest101ktimersoftd/021:25:020
1833699422,6cyclictest9-21ksoftirqd/022:32:270
18336994225,8cyclictest9-21ksoftirqd/020:15:230
1833699420,6cyclictest101ktimersoftd/019:20:270
1834299418,7cyclictest41-21ksoftirqd/300:20:123
1834299416,4cyclictest41-21ksoftirqd/300:05:213
18342994135,3cyclictest41-21ksoftirqd/323:10:003
18342994129,3cyclictest41-21ksoftirqd/322:45:013
18342994113,4cyclictest41-21ksoftirqd/319:25:263
18342994112,3cyclictest41-21ksoftirqd/321:30:183
1833899410,39cyclictest0-21swapper/100:00:261
1833699410,7cyclictest101ktimersoftd/019:45:220
1833699410,6cyclictest101ktimersoftd/020:40:290
134991410,0ptp4l401ktimersoftd/321:27:503
134991410,0ptp4l401ktimersoftd/300:10:193
1834299407,9cyclictest41-21ksoftirqd/322:55:003
1834299407,9cyclictest41-21ksoftirqd/322:55:003
1834299403,8cyclictest41-21ksoftirqd/319:35:183
18342994034,3cyclictest41-21ksoftirqd/321:05:273
18342994034,3cyclictest41-21ksoftirqd/321:05:263
1834299403,3cyclictest3152-21taskset21:53:193
1833699403,7cyclictest9-21ksoftirqd/023:26:240
1833699401,6cyclictest3251-21cat19:45:010
18336994015,3cyclictest9-21ksoftirqd/019:25:040
130691400,1getstats0-21swapper/321:20:053
1834299398,3cyclictest41-21ksoftirqd/322:20:283
18342993934,3cyclictest41-21ksoftirqd/321:05:003
18342993929,3cyclictest41-21ksoftirqd/320:50:003
18342993912,3cyclictest41-21ksoftirqd/320:00:153
18342993911,3cyclictest41-21ksoftirqd/322:25:163
1833699394,7cyclictest9-21ksoftirqd/000:11:390
18342993833,3cyclictest41-21ksoftirqd/320:20:153
18342993832,4cyclictest41-21ksoftirqd/323:31:023
18342993831,4cyclictest41-21ksoftirqd/322:45:373
1834299382,3cyclictest22713-21taskset22:31:173
1833899380,36cyclictest0-21swapper/120:00:071
1833699386,3cyclictest9-21ksoftirqd/022:00:240
1833699384,7cyclictest9-21ksoftirqd/023:30:120
1833699384,6cyclictest9-21ksoftirqd/019:59:250
18336993835,2cyclictest101ktimersoftd/021:45:160
18336993833,3cyclictest30447-21cron23:55:000
120462381,2sleep1121rcu_preempt22:10:221
1834299377,3cyclictest121rcu_preempt21:10:183
1834299373,3cyclictest41-21ksoftirqd/322:10:133
18342993724,3cyclictest41-21ksoftirqd/322:00:143
18338993731,4cyclictest25-21ksoftirqd/119:41:561
18338993730,4cyclictest25-21ksoftirqd/122:26:241
1833699373,5cyclictest9-21ksoftirqd/023:16:000
18336993732,3cyclictest9-21ksoftirqd/023:10:190
18336993732,3cyclictest9-21ksoftirqd/022:10:010
1833699372,6cyclictest101ktimersoftd/022:19:590
1833699372,11cyclictest9-21ksoftirqd/020:50:190
18342993630,3cyclictest41-21ksoftirqd/319:45:143
18338993630,4cyclictest25-21ksoftirqd/123:22:541
18338993630,4cyclictest25-21ksoftirqd/120:51:331
18338993630,4cyclictest25-21ksoftirqd/100:26:361
1833699365,5cyclictest9-21ksoftirqd/000:30:000
1833699362,6cyclictest9-21ksoftirqd/021:24:550
1833699362,5cyclictest9-21ksoftirqd/000:34:160
18336993617,3cyclictest9-21ksoftirqd/021:51:280
18338993531,3cyclictest25-21ksoftirqd/120:06:551
18338993530,3cyclictest25-21ksoftirqd/122:40:131
18338993529,4cyclictest25-21ksoftirqd/121:20:061
18338993529,4cyclictest25-21ksoftirqd/121:14:361
18338993529,4cyclictest25-21ksoftirqd/120:49:131
18338993529,4cyclictest25-21ksoftirqd/119:51:241
18338993529,4cyclictest25-21ksoftirqd/100:14:121
18338993528,4cyclictest25-21ksoftirqd/121:27:101
18338993528,4cyclictest25-21ksoftirqd/119:46:181
1833899351,32cyclictest0-21swapper/123:16:271
1833899350,33cyclictest0-21swapper/120:27:071
18336993529,4cyclictest9-21ksoftirqd/022:40:200
36998340,2rtkit-daemon368-21rtkit-daemon20:39:191
18338993429,3cyclictest25-21ksoftirqd/123:42:441
18338993428,4cyclictest25-21ksoftirqd/123:33:211
18338993428,4cyclictest25-21ksoftirqd/121:32:281
18338993428,4cyclictest25-21ksoftirqd/119:25:401
18336993430,3cyclictest9-21ksoftirqd/023:05:280
18336993430,2cyclictest111rcuc/022:39:280
18336993429,3cyclictest9-21ksoftirqd/023:57:420
18336993429,3cyclictest9-21ksoftirqd/023:57:420
18336993429,3cyclictest9-21ksoftirqd/021:30:270
18336993429,3cyclictest9-21ksoftirqd/021:00:140
18338993328,3cyclictest25-21ksoftirqd/123:38:111
18338993328,3cyclictest25-21ksoftirqd/121:55:021
18338993328,3cyclictest25-21ksoftirqd/121:51:141
18338993328,3cyclictest25-21ksoftirqd/121:07:171
18338993328,3cyclictest25-21ksoftirqd/121:07:171
18338993328,3cyclictest25-21ksoftirqd/100:18:441
18338993327,4cyclictest25-21ksoftirqd/120:24:331
18338993326,4cyclictest25-21ksoftirqd/122:09:111
18338993320,11cyclictest0-21swapper/119:56:591
1833699335,7cyclictest9-21ksoftirqd/023:20:130
1833699335,6cyclictest9-21ksoftirqd/019:50:170
18336993329,2cyclictest9-21ksoftirqd/020:30:000
18336993328,3cyclictest9-21ksoftirqd/022:20:140
18336993317,7cyclictest9-21ksoftirqd/021:16:450
1833899325,25cyclictest0-21swapper/121:38:181
18338993227,3cyclictest25-21ksoftirqd/123:03:581
18338993227,3cyclictest25-21ksoftirqd/122:45:591
18338993227,3cyclictest25-21ksoftirqd/121:04:541
18338993227,3cyclictest25-21ksoftirqd/120:17:421
18338993226,4cyclictest25-21ksoftirqd/123:57:481
18338993226,4cyclictest25-21ksoftirqd/123:57:471
18338993226,4cyclictest25-21ksoftirqd/123:49:381
18338993226,4cyclictest25-21ksoftirqd/122:36:431
18338993226,4cyclictest25-21ksoftirqd/122:17:031
18338993226,4cyclictest25-21ksoftirqd/119:14:081
18336993228,2cyclictest9-21ksoftirqd/021:05:260
18336993228,2cyclictest9-21ksoftirqd/021:05:260
18338993126,3cyclictest25-21ksoftirqd/120:32:591
18338993126,3cyclictest25-21ksoftirqd/119:19:231
18338993125,4cyclictest25-21ksoftirqd/122:33:141
18338993125,4cyclictest25-21ksoftirqd/100:34:061
18338993125,4cyclictest25-21ksoftirqd/100:24:351
18338993124,4cyclictest25-21ksoftirqd/119:31:581
18336993126,3cyclictest9-21ksoftirqd/020:20:140
18338993025,3cyclictest25-21ksoftirqd/122:58:291
18338993025,3cyclictest25-21ksoftirqd/120:13:321
18338993025,3cyclictest25-21ksoftirqd/119:37:091
18338993024,4cyclictest25-21ksoftirqd/123:53:231
18338992924,3cyclictest25-21ksoftirqd/122:53:561
18338992924,3cyclictest25-21ksoftirqd/122:53:561
18338992924,3cyclictest25-21ksoftirqd/121:47:371
18338992924,3cyclictest25-21ksoftirqd/119:20:301
18338992923,4cyclictest25-21ksoftirqd/121:42:191
18338992721,4cyclictest25-21ksoftirqd/123:10:581
18338992721,4cyclictest25-21ksoftirqd/123:06:291
18338992721,4cyclictest25-21ksoftirqd/122:21:321
18338992520,3cyclictest25-21ksoftirqd/123:26:381
18338992520,3cyclictest25-21ksoftirqd/100:38:141
18338992519,4cyclictest25-21ksoftirqd/121:16:011
18338992418,4cyclictest25-21ksoftirqd/120:42:141
18338992014,3cyclictest357-21in:imuxsock22:00:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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