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2025-09-17 - 15:05
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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 rackdslot2.osadl.org (updated Wed Sep 17, 2025 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43372236170,22sleep00-21swapper/019:06:440
43712206172,23sleep20-21swapper/219:07:012
137391205172,22phc2sys0-21swapper/319:07:063
45822203171,21sleep10-21swapper/119:09:451
1372911080,1ptp4l31222-21missed_timers21:10:223
137291520,1ptp4l401ktimersoftd/321:03:473
489599481,45cyclictest12091-21sh21:40:001
460224232,3sleep00-21swapper/019:10:010
137291420,0ptp4l401ktimersoftd/323:32:453
137291420,0ptp4l401ktimersoftd/320:33:053
137291410,0ptp4l401ktimersoftd/319:15:323
4897994035,3cyclictest41-21ksoftirqd/320:00:003
4896994028,10cyclictest33-21ksoftirqd/219:20:142
137291400,0ptp4l401ktimersoftd/300:30:123
4896993934,3cyclictest33-21ksoftirqd/222:54:592
4896993934,3cyclictest33-21ksoftirqd/200:20:002
4896993925,12cyclictest33-21ksoftirqd/222:45:012
137291390,0ptp4l401ktimersoftd/323:15:163
4897993834,2cyclictest41-21ksoftirqd/321:19:593
4897993833,3cyclictest41-21ksoftirqd/320:39:593
4897993831,4cyclictest41-21ksoftirqd/323:10:163
4894993831,4cyclictest9-21ksoftirqd/022:55:590
4897993731,4cyclictest41-21ksoftirqd/321:40:003
4896993732,3cyclictest33-21ksoftirqd/223:55:012
4894993732,3cyclictest9-21ksoftirqd/020:00:000
4897993631,3cyclictest41-21ksoftirqd/322:33:353
4897993631,3cyclictest41-21ksoftirqd/320:15:003
4897993630,4cyclictest41-21ksoftirqd/322:38:453
4896993630,4cyclictest33-21ksoftirqd/222:56:212
4896993629,4cyclictest33-21ksoftirqd/221:24:172
4896993623,10cyclictest33-21ksoftirqd/223:45:222
4894993631,3cyclictest9-21ksoftirqd/021:40:260
4894993631,3cyclictest9-21ksoftirqd/000:05:000
4897993530,3cyclictest41-21ksoftirqd/323:10:003
4897993530,3cyclictest41-21ksoftirqd/323:10:003
4897993530,3cyclictest41-21ksoftirqd/320:20:203
4897993529,4cyclictest41-21ksoftirqd/322:54:173
4896993530,3cyclictest33-21ksoftirqd/200:15:002
4896993530,3cyclictest33-21ksoftirqd/200:15:002
4896993529,4cyclictest33-21ksoftirqd/223:00:112
4896993529,4cyclictest33-21ksoftirqd/220:12:252
4895993529,4cyclictest25-21ksoftirqd/120:12:471
4894993529,4cyclictest9-21ksoftirqd/022:41:270
4894993529,4cyclictest9-21ksoftirqd/021:33:580
4894993529,4cyclictest9-21ksoftirqd/019:24:320
4894993529,4cyclictest9-21ksoftirqd/000:32:430
4894993528,4cyclictest9-21ksoftirqd/019:50:100
137291350,31ptp4l41-21ksoftirqd/321:53:553
4897993429,3cyclictest41-21ksoftirqd/323:50:003
4897993428,4cyclictest41-21ksoftirqd/323:57:533
4897993428,4cyclictest41-21ksoftirqd/323:20:593
4897993428,4cyclictest41-21ksoftirqd/322:07:193
4897993428,4cyclictest41-21ksoftirqd/300:20:383
4896993429,3cyclictest33-21ksoftirqd/223:55:132
4896993429,3cyclictest33-21ksoftirqd/220:50:012
4896993429,2cyclictest33-21ksoftirqd/221:05:192
4896993429,2cyclictest33-21ksoftirqd/221:00:002
4896993428,4cyclictest33-21ksoftirqd/223:27:462
4896993428,4cyclictest33-21ksoftirqd/219:57:072
4896993427,4cyclictest33-21ksoftirqd/221:53:592
4896993419,4cyclictest33-21ksoftirqd/222:30:002
4895993429,3cyclictest25-21ksoftirqd/122:35:001
4895993428,4cyclictest25-21ksoftirqd/122:37:301
4895993428,4cyclictest25-21ksoftirqd/120:28:531
4895993428,4cyclictest25-21ksoftirqd/120:21:311
4895993428,4cyclictest25-21ksoftirqd/120:05:371
4894993429,3cyclictest9-21ksoftirqd/019:40:000
4894993428,4cyclictest9-21ksoftirqd/023:35:300
4894993428,4cyclictest9-21ksoftirqd/023:03:360
4894993428,4cyclictest9-21ksoftirqd/022:34:280
4894993428,4cyclictest9-21ksoftirqd/020:50:180
4894993428,4cyclictest9-21ksoftirqd/020:41:060
4894993428,4cyclictest9-21ksoftirqd/020:33:040
4894993428,3cyclictest17046-21latency_hist21:50:000
4897993329,3cyclictest41-21ksoftirqd/322:15:013
4897993329,2cyclictest41-21ksoftirqd/321:30:013
4897993328,3cyclictest41-21ksoftirqd/319:37:553
4897993327,4cyclictest41-21ksoftirqd/322:44:303
4897993327,4cyclictest41-21ksoftirqd/321:31:013
4897993327,4cyclictest41-21ksoftirqd/319:44:453
4897993327,4cyclictest41-21ksoftirqd/319:24:083
4897993327,3cyclictest41-21ksoftirqd/320:20:003
4897993316,4cyclictest41-21ksoftirqd/320:45:263
4896993329,3cyclictest33-21ksoftirqd/219:40:002
4896993329,2cyclictest33-21ksoftirqd/222:10:002
4896993328,3cyclictest33-21ksoftirqd/220:20:192
4896993328,3cyclictest33-21ksoftirqd/219:12:062
4896993327,4cyclictest33-21ksoftirqd/223:12:572
4896993327,4cyclictest33-21ksoftirqd/221:34:122
4896993327,4cyclictest33-21ksoftirqd/220:09:122
4896993327,4cyclictest33-21ksoftirqd/200:02:282
4896993326,4cyclictest33-21ksoftirqd/219:55:002
4895993328,3cyclictest25-21ksoftirqd/100:17:001
4895993327,4cyclictest25-21ksoftirqd/123:41:131
4895993327,4cyclictest25-21ksoftirqd/123:27:081
4895993327,4cyclictest25-21ksoftirqd/123:16:021
4895993327,4cyclictest25-21ksoftirqd/122:51:141
4895993327,4cyclictest25-21ksoftirqd/122:15:431
4895993327,4cyclictest25-21ksoftirqd/122:06:301
4895993327,4cyclictest25-21ksoftirqd/121:24:361
4895993327,4cyclictest25-21ksoftirqd/121:03:151
4895993327,4cyclictest25-21ksoftirqd/120:57:401
4895993327,4cyclictest25-21ksoftirqd/120:51:351
4895993327,4cyclictest25-21ksoftirqd/120:31:181
4894993328,3cyclictest9-21ksoftirqd/021:21:420
4894993327,4cyclictest9-21ksoftirqd/023:06:130
4894993327,4cyclictest9-21ksoftirqd/023:06:130
4894993327,4cyclictest9-21ksoftirqd/022:22:410
4894993327,4cyclictest9-21ksoftirqd/021:04:010
4894993327,4cyclictest9-21ksoftirqd/020:16:200
4894993327,4cyclictest9-21ksoftirqd/020:04:560
4894993327,4cyclictest9-21ksoftirqd/019:30:390
4894993327,3cyclictest9-21ksoftirqd/019:44:260
4897993228,3cyclictest41-21ksoftirqd/321:46:273
4897993227,3cyclictest41-21ksoftirqd/323:40:493
4897993227,3cyclictest41-21ksoftirqd/321:45:003
4897993227,3cyclictest41-21ksoftirqd/300:20:013
4897993226,4cyclictest41-21ksoftirqd/322:48:513
4897993226,4cyclictest41-21ksoftirqd/322:26:133
4897993226,4cyclictest41-21ksoftirqd/300:36:393
4897993226,4cyclictest41-21ksoftirqd/300:28:533
4897993226,3cyclictest41-21ksoftirqd/320:02:433
489699328,16cyclictest33-21ksoftirqd/220:40:002
4896993227,3cyclictest33-21ksoftirqd/223:40:162
4896993227,3cyclictest33-21ksoftirqd/223:34:552
4896993227,3cyclictest33-21ksoftirqd/222:19:152
4896993227,3cyclictest33-21ksoftirqd/221:48:472
4896993227,3cyclictest33-21ksoftirqd/220:28:252
4896993227,3cyclictest33-21ksoftirqd/200:30:002
4896993226,4cyclictest33-21ksoftirqd/220:52:402
4896993226,4cyclictest33-21ksoftirqd/220:17:062
4896993226,4cyclictest33-21ksoftirqd/220:04:552
4896993226,4cyclictest33-21ksoftirqd/219:45:482
4896993226,4cyclictest33-21ksoftirqd/219:45:482
4896993226,4cyclictest33-21ksoftirqd/219:43:082
4896993220,9cyclictest33-21ksoftirqd/200:05:282
4895993226,4cyclictest25-21ksoftirqd/123:49:431
4895993226,4cyclictest25-21ksoftirqd/123:35:381
4895993226,4cyclictest25-21ksoftirqd/122:21:491
4895993226,4cyclictest25-21ksoftirqd/122:04:001
4895993226,4cyclictest25-21ksoftirqd/100:34:241
4895993226,4cyclictest25-21ksoftirqd/100:02:191
489599320,2cyclictest121rcu_preempt21:10:511
4894993227,3cyclictest9-21ksoftirqd/023:57:000
4894993227,3cyclictest9-21ksoftirqd/023:48:470
4894993227,3cyclictest9-21ksoftirqd/000:27:410
4894993227,3cyclictest9-21ksoftirqd/000:05:200
4894993226,4cyclictest9-21ksoftirqd/022:17:510
4894993226,4cyclictest9-21ksoftirqd/022:11:530
4894993225,5cyclictest9-21ksoftirqd/000:14:130
4894993225,5cyclictest9-21ksoftirqd/000:14:130
137291320,0ptp4l401ktimersoftd/323:26:133
4897993126,3cyclictest41-21ksoftirqd/323:39:073
4897993126,3cyclictest41-21ksoftirqd/320:57:073
4897993126,3cyclictest41-21ksoftirqd/319:45:123
4897993126,3cyclictest41-21ksoftirqd/319:45:113
4897993126,3cyclictest41-21ksoftirqd/319:10:453
4897993126,3cyclictest41-21ksoftirqd/300:15:013
4897993126,3cyclictest41-21ksoftirqd/300:05:003
4896993126,3cyclictest33-21ksoftirqd/223:20:142
4896993126,3cyclictest33-21ksoftirqd/221:25:172
4896993126,3cyclictest33-21ksoftirqd/221:05:012
4896993126,3cyclictest33-21ksoftirqd/219:19:132
4896993125,4cyclictest33-21ksoftirqd/222:03:292
4895993127,3cyclictest25-21ksoftirqd/122:14:551
4895993126,3cyclictest25-21ksoftirqd/121:09:591
4895993126,3cyclictest25-21ksoftirqd/120:17:001
4895993125,4cyclictest25-21ksoftirqd/119:52:221
4894993126,3cyclictest9-21ksoftirqd/023:33:250
4894993125,4cyclictest9-21ksoftirqd/023:43:440
4894993125,4cyclictest9-21ksoftirqd/021:17:100
4894993125,4cyclictest9-21ksoftirqd/020:28:070
4894993125,4cyclictest9-21ksoftirqd/019:16:050
4897993025,3cyclictest41-21ksoftirqd/322:55:203
4897993025,3cyclictest41-21ksoftirqd/322:25:003
4897993025,3cyclictest41-21ksoftirqd/300:07:543
4897993024,4cyclictest41-21ksoftirqd/320:29:553
4897993024,3cyclictest41-21ksoftirqd/320:50:143
4897993024,3cyclictest41-21ksoftirqd/319:50:193
4896993026,2cyclictest33-21ksoftirqd/223:05:172
4896993026,2cyclictest33-21ksoftirqd/223:05:172
4896993025,3cyclictest33-21ksoftirqd/222:20:202
4896993025,3cyclictest33-21ksoftirqd/222:10:162
4896993025,2cyclictest33-21ksoftirqd/221:40:002
4896993024,4cyclictest33-21ksoftirqd/223:37:082
4896993024,4cyclictest33-21ksoftirqd/221:44:112
4896993024,4cyclictest33-21ksoftirqd/221:15:082
4896993024,4cyclictest33-21ksoftirqd/200:32:372
4896993024,3cyclictest33-21ksoftirqd/222:40:012
4896993024,3cyclictest33-21ksoftirqd/200:20:212
4896993023,4cyclictest33-21ksoftirqd/200:38:412
4896993016,3cyclictest33-21ksoftirqd/223:20:002
4895993026,3cyclictest25-21ksoftirqd/123:22:461
4895993025,3cyclictest25-21ksoftirqd/123:59:561
4895993025,3cyclictest25-21ksoftirqd/123:10:511
4895993025,3cyclictest25-21ksoftirqd/121:43:261
4895993025,3cyclictest25-21ksoftirqd/100:37:411
4895993024,4cyclictest25-21ksoftirqd/123:51:361
4895993024,4cyclictest25-21ksoftirqd/123:05:421
4895993024,4cyclictest25-21ksoftirqd/123:05:421
4895993024,4cyclictest25-21ksoftirqd/119:56:271
4895993024,4cyclictest25-21ksoftirqd/119:34:401
4895993023,5cyclictest25-21ksoftirqd/123:32:541
4894993025,3cyclictest9-21ksoftirqd/020:58:070
4894993025,3cyclictest9-21ksoftirqd/000:37:070
4897992923,4cyclictest41-21ksoftirqd/322:16:543
4897992922,5cyclictest41-21ksoftirqd/323:55:003
4897992916,11cyclictest41-21ksoftirqd/319:30:293
4896992923,4cyclictest33-21ksoftirqd/219:30:172
4895992924,3cyclictest25-21ksoftirqd/121:49:551
4895992924,3cyclictest25-21ksoftirqd/119:18:521
4895992924,3cyclictest25-21ksoftirqd/100:27:491
4895992923,4cyclictest25-21ksoftirqd/122:55:111
4895992923,4cyclictest25-21ksoftirqd/122:44:201
4895992923,4cyclictest25-21ksoftirqd/121:25:151
4895992923,4cyclictest25-21ksoftirqd/120:00:361
4895992923,4cyclictest25-21ksoftirqd/119:27:351
4895992923,4cyclictest25-21ksoftirqd/119:24:421
4895992923,4cyclictest25-21ksoftirqd/100:20:481
4895992923,3cyclictest25-21ksoftirqd/121:50:561
4895992923,3cyclictest25-21ksoftirqd/119:12:081
4894992924,3cyclictest9-21ksoftirqd/022:40:000
4894992924,3cyclictest9-21ksoftirqd/022:05:230
4894992924,3cyclictest9-21ksoftirqd/021:50:040
4894992924,3cyclictest9-21ksoftirqd/021:28:160
4894992924,3cyclictest9-21ksoftirqd/021:13:090
4894992924,3cyclictest9-21ksoftirqd/021:09:020
4894992923,4cyclictest9-21ksoftirqd/022:02:310
4894992923,4cyclictest9-21ksoftirqd/021:36:580
137291290,0ptp4l401ktimersoftd/323:00:243
4897992823,3cyclictest41-21ksoftirqd/321:20:243
4897992823,3cyclictest41-21ksoftirqd/320:44:083
4897992823,3cyclictest41-21ksoftirqd/320:05:173
4897992822,4cyclictest41-21ksoftirqd/322:02:433
4897992822,4cyclictest41-21ksoftirqd/319:28:443
4897992821,3cyclictest41-21ksoftirqd/321:05:193
4896992823,3cyclictest33-21ksoftirqd/222:45:222
4896992823,3cyclictest33-21ksoftirqd/220:34:332
4896992823,3cyclictest33-21ksoftirqd/219:29:452
4895992823,3cyclictest25-21ksoftirqd/121:17:451
4895992822,4cyclictest25-21ksoftirqd/119:35:541
4894992823,3cyclictest9-21ksoftirqd/023:50:210
4894992823,3cyclictest9-21ksoftirqd/022:53:420
4894992823,3cyclictest9-21ksoftirqd/022:46:400
4894992823,3cyclictest9-21ksoftirqd/021:58:080
4894992823,3cyclictest9-21ksoftirqd/020:35:010
4894992822,4cyclictest9-21ksoftirqd/020:48:020
4897992723,3cyclictest41-21ksoftirqd/300:10:253
4896992723,2cyclictest33-21ksoftirqd/221:10:162
4896992721,4cyclictest33-21ksoftirqd/221:56:592
4895992722,3cyclictest25-21ksoftirqd/122:46:401
4895992722,3cyclictest25-21ksoftirqd/119:44:321
4895992722,3cyclictest25-21ksoftirqd/100:10:331
4895992722,3cyclictest25-21ksoftirqd/100:10:321
4895992722,3cyclictest25-21ksoftirqd/100:09:341
4895992721,4cyclictest25-21ksoftirqd/122:30:001
4895992721,4cyclictest25-21ksoftirqd/120:39:591
4894992723,3cyclictest9-21ksoftirqd/000:20:270
4894992722,3cyclictest9-21ksoftirqd/023:20:200
4894992722,3cyclictest9-21ksoftirqd/000:19:090
4894992721,4cyclictest9-21ksoftirqd/023:17:250
4894992721,4cyclictest9-21ksoftirqd/022:28:580
4894992721,4cyclictest9-21ksoftirqd/020:20:440
4894992721,4cyclictest9-21ksoftirqd/020:06:530
4897992621,3cyclictest41-21ksoftirqd/321:56:333
4896992615,9cyclictest33-21ksoftirqd/222:30:262
4895992619,4cyclictest9058-21sed21:30:291
4894992622,3cyclictest9-21ksoftirqd/023:10:220
4894992621,3cyclictest9-21ksoftirqd/020:10:190
4894992621,3cyclictest9-21ksoftirqd/019:46:430
4894992621,3cyclictest9-21ksoftirqd/019:46:420
4894992620,4cyclictest9-21ksoftirqd/023:25:590
4896992521,3cyclictest33-21ksoftirqd/220:40:202
4895992520,3cyclictest25-21ksoftirqd/120:46:171
4894992519,4cyclictest9-21ksoftirqd/019:25:560
4895992419,3cyclictest25-21ksoftirqd/123:03:061
4895992419,3cyclictest25-21ksoftirqd/121:56:491
4895992419,3cyclictest25-21ksoftirqd/120:44:151
4895992216,3cyclictest25-21ksoftirqd/119:47:061
4895992216,3cyclictest25-21ksoftirqd/119:47:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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