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2026-09-23 - 05:10
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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 highest latencies:
System rackdslot4.osadl.org (updated Wed Sep 23, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591229165,22phc2sys0-21swapper/319:07:473
183702204171,22sleep10-21swapper/119:05:591
185382203170,22sleep00-21swapper/019:08:120
184832200168,21sleep20-21swapper/219:07:292
1267221370,6sleep11897299cyclictest20:00:231
1384911120,1ptp4l24720-21sed23:40:173
53712670,5sleep15374-21switchtime21:55:251
324052560,4sleep232411-21needreboot21:45:232
138491560,1ptp4l401ktimersoftd/322:07:223
50798490,1rtkit-daemon506-21rtkit-daemon22:40:560
18972994918,3cyclictest25-21ksoftirqd/122:01:131
101342460,2sleep20-21swapper/219:55:232
138491450,0ptp4l401ktimersoftd/322:15:113
138491440,1ptp4l401ktimersoftd/321:51:483
138491440,1ptp4l401ktimersoftd/321:51:483
138491440,1ptp4l401ktimersoftd/320:40:023
138491440,0ptp4l401ktimersoftd/300:15:123
138491430,0ptp4l401ktimersoftd/319:35:233
18973994236,3cyclictest13560-21idleruntime-cro20:05:002
18972994219,7cyclictest25-21ksoftirqd/122:55:491
18972994136,3cyclictest8555-21turbostat21:00:001
18973993934,3cyclictest33-21ksoftirqd/220:20:002
1897299397,6cyclictest25-21ksoftirqd/122:20:011
138491390,12ptp4l0-21swapper/323:10:183
138491390,0ptp4l401ktimersoftd/300:10:013
18974993832,4cyclictest41-21ksoftirqd/300:03:403
18974993831,4cyclictest41-21ksoftirqd/321:15:133
138491380,0ptp4l401ktimersoftd/322:35:323
18974993730,5cyclictest41-21ksoftirqd/320:22:363
18974993730,4cyclictest41-21ksoftirqd/323:50:443
18974993730,4cyclictest41-21ksoftirqd/319:28:283
18974993730,4cyclictest41-21ksoftirqd/319:28:283
18973993731,4cyclictest33-21ksoftirqd/223:52:522
18973993731,4cyclictest33-21ksoftirqd/220:14:042
18973993731,4cyclictest33-21ksoftirqd/200:32:082
18973993730,4cyclictest33-21ksoftirqd/223:35:072
18972993731,4cyclictest25-21ksoftirqd/119:21:281
1897299372,4cyclictest25-21ksoftirqd/120:20:221
18972993711,5cyclictest25-21ksoftirqd/120:11:321
18971993731,4cyclictest9-21ksoftirqd/023:35:570
18971993731,4cyclictest9-21ksoftirqd/000:37:460
18971993730,5cyclictest9-21ksoftirqd/023:46:460
18971993730,4cyclictest9-21ksoftirqd/023:33:450
18974993630,4cyclictest41-21ksoftirqd/323:15:163
18974993630,4cyclictest41-21ksoftirqd/320:46:073
1897499360,2cyclictest121rcu_preempt23:05:353
18973993630,4cyclictest33-21ksoftirqd/223:48:112
18973993630,4cyclictest33-21ksoftirqd/223:22:152
18973993630,4cyclictest33-21ksoftirqd/222:59:002
18973993630,4cyclictest33-21ksoftirqd/222:28:362
18973993629,4cyclictest33-21ksoftirqd/219:30:072
18973993629,4cyclictest33-21ksoftirqd/219:23:052
18973993629,4cyclictest33-21ksoftirqd/200:27:462
18972993629,4cyclictest25-21ksoftirqd/120:26:551
18972993619,7cyclictest25-21ksoftirqd/121:02:511
18971993630,4cyclictest9-21ksoftirqd/023:26:060
18971993630,4cyclictest9-21ksoftirqd/022:30:500
18971993629,4cyclictest9-21ksoftirqd/019:13:200
138491360,0ptp4l401ktimersoftd/300:25:163
18974993530,3cyclictest41-21ksoftirqd/319:35:003
18974993529,4cyclictest41-21ksoftirqd/323:36:423
18974993529,4cyclictest41-21ksoftirqd/322:57:493
18974993529,4cyclictest41-21ksoftirqd/321:37:373
18974993529,4cyclictest41-21ksoftirqd/321:06:323
18974993528,4cyclictest41-21ksoftirqd/323:29:063
18973993530,3cyclictest33-21ksoftirqd/223:43:052
18973993530,3cyclictest33-21ksoftirqd/222:51:392
18973993530,3cyclictest33-21ksoftirqd/220:20:112
18973993529,4cyclictest33-21ksoftirqd/221:14:142
18973993529,4cyclictest33-21ksoftirqd/220:26:482
18973993529,4cyclictest33-21ksoftirqd/219:13:152
18973993529,4cyclictest33-21ksoftirqd/200:20:362
18973993528,4cyclictest33-21ksoftirqd/222:18:122
18972993529,4cyclictest25-21ksoftirqd/121:35:401
18972993529,4cyclictest25-21ksoftirqd/119:38:451
1897299352,5cyclictest25-21ksoftirqd/119:25:161
1897299352,5cyclictest25-21ksoftirqd/119:25:151
1897299352,4cyclictest25-21ksoftirqd/120:38:571
1897299351,4cyclictest25-21ksoftirqd/119:48:581
18972993512,3cyclictest25-21ksoftirqd/100:26:031
18971993530,3cyclictest9-21ksoftirqd/022:20:150
18971993529,4cyclictest9-21ksoftirqd/023:02:150
18971993529,4cyclictest9-21ksoftirqd/022:49:400
18971993529,4cyclictest9-21ksoftirqd/021:52:110
18971993529,4cyclictest9-21ksoftirqd/021:52:100
18971993529,4cyclictest9-21ksoftirqd/021:39:350
18971993529,4cyclictest9-21ksoftirqd/020:33:320
18971993529,4cyclictest9-21ksoftirqd/020:07:520
18971993529,4cyclictest9-21ksoftirqd/000:31:580
18971993528,4cyclictest9-21ksoftirqd/021:49:220
1897199350,2cyclictest121rcu_preempt00:06:060
18974993429,3cyclictest41-21ksoftirqd/321:14:513
18974993429,3cyclictest41-21ksoftirqd/300:37:163
18974993428,4cyclictest41-21ksoftirqd/321:26:463
18974993428,4cyclictest41-21ksoftirqd/320:07:153
18974993428,4cyclictest41-21ksoftirqd/320:03:303
18974993428,4cyclictest41-21ksoftirqd/319:24:473
18974993427,4cyclictest41-21ksoftirqd/319:44:333
18973993429,3cyclictest33-21ksoftirqd/223:32:522
18973993429,3cyclictest33-21ksoftirqd/219:25:122
18973993429,3cyclictest33-21ksoftirqd/219:25:122
18973993428,4cyclictest33-21ksoftirqd/220:37:032
18973993428,4cyclictest33-21ksoftirqd/219:35:452
18973993428,3cyclictest33-21ksoftirqd/220:55:412
18972993428,4cyclictest25-21ksoftirqd/100:07:561
18972993427,4cyclictest25-21ksoftirqd/123:50:461
18972993427,4cyclictest25-21ksoftirqd/122:47:321
18972993427,4cyclictest25-21ksoftirqd/121:06:391
18972993427,4cyclictest25-21ksoftirqd/120:51:381
18972993412,2cyclictest25-21ksoftirqd/100:35:431
18971993429,3cyclictest9-21ksoftirqd/021:57:450
18971993429,3cyclictest9-21ksoftirqd/020:01:010
18971993428,4cyclictest9-21ksoftirqd/021:17:010
18971993428,4cyclictest9-21ksoftirqd/020:55:380
18971993428,4cyclictest9-21ksoftirqd/020:47:040
18971993428,4cyclictest9-21ksoftirqd/019:41:290
18971993428,4cyclictest9-21ksoftirqd/000:29:290
18971993427,4cyclictest9-21ksoftirqd/023:55:310
18971993427,4cyclictest9-21ksoftirqd/023:51:380
18971993427,4cyclictest9-21ksoftirqd/023:16:240
18971993427,4cyclictest9-21ksoftirqd/021:02:160
18971993427,4cyclictest9-21ksoftirqd/020:25:000
18974993328,3cyclictest41-21ksoftirqd/320:50:553
18974993328,3cyclictest41-21ksoftirqd/319:15:523
18974993327,4cyclictest41-21ksoftirqd/323:46:223
18974993327,4cyclictest41-21ksoftirqd/323:32:273
18974993327,4cyclictest41-21ksoftirqd/322:53:523
18974993327,4cyclictest41-21ksoftirqd/322:33:413
18974993327,4cyclictest41-21ksoftirqd/320:33:393
18974993327,4cyclictest41-21ksoftirqd/320:19:473
18974993327,4cyclictest41-21ksoftirqd/319:50:383
18974993327,4cyclictest41-21ksoftirqd/319:14:163
18973993328,3cyclictest33-21ksoftirqd/221:36:382
18973993328,3cyclictest33-21ksoftirqd/221:26:112
18973993328,3cyclictest33-21ksoftirqd/221:03:592
18973993328,3cyclictest33-21ksoftirqd/219:17:462
18973993327,4cyclictest33-21ksoftirqd/222:46:042
18973993327,4cyclictest33-21ksoftirqd/222:09:022
18973993327,4cyclictest33-21ksoftirqd/222:01:442
18973993327,4cyclictest33-21ksoftirqd/221:42:222
18973993327,4cyclictest33-21ksoftirqd/200:39:012
18973993327,3cyclictest33-21ksoftirqd/221:52:552
18973993327,3cyclictest33-21ksoftirqd/221:52:542
18973993326,4cyclictest33-21ksoftirqd/221:07:082
18973993326,4cyclictest33-21ksoftirqd/200:18:362
18972993328,3cyclictest25-21ksoftirqd/120:30:201
18972993328,3cyclictest25-21ksoftirqd/100:10:351
18972993327,4cyclictest25-21ksoftirqd/123:55:351
18972993327,4cyclictest25-21ksoftirqd/119:41:261
18972993326,4cyclictest25-21ksoftirqd/123:11:581
18972993326,4cyclictest25-21ksoftirqd/121:30:501
18972993326,4cyclictest25-21ksoftirqd/120:49:461
1897299331,6cyclictest25-21ksoftirqd/120:17:191
18972993311,7cyclictest25-21ksoftirqd/120:44:391
1897299330,5cyclictest25-21ksoftirqd/122:05:461
18971993327,4cyclictest9-21ksoftirqd/023:44:440
18971993327,4cyclictest9-21ksoftirqd/023:06:000
18971993327,4cyclictest9-21ksoftirqd/022:50:590
18971993327,4cyclictest9-21ksoftirqd/022:16:420
18971993327,4cyclictest9-21ksoftirqd/021:21:220
18971993327,4cyclictest9-21ksoftirqd/019:19:220
18974993227,3cyclictest41-21ksoftirqd/322:26:343
18974993227,3cyclictest41-21ksoftirqd/300:30:113
18974993226,4cyclictest41-21ksoftirqd/320:27:333
18974993226,4cyclictest41-21ksoftirqd/319:59:333
18973993227,3cyclictest33-21ksoftirqd/222:40:112
18973993227,3cyclictest33-21ksoftirqd/222:32:212
18973993226,4cyclictest33-21ksoftirqd/222:38:512
18973993226,4cyclictest33-21ksoftirqd/221:57:182
18973993226,4cyclictest33-21ksoftirqd/221:32:392
18973993226,4cyclictest33-21ksoftirqd/200:04:442
1897299329,3cyclictest25-21ksoftirqd/121:29:081
18972993226,4cyclictest25-21ksoftirqd/123:45:281
18972993226,4cyclictest25-21ksoftirqd/100:34:351
18972993225,4cyclictest25-21ksoftirqd/123:20:101
18972993225,4cyclictest25-21ksoftirqd/121:22:511
18972993225,4cyclictest25-21ksoftirqd/119:30:381
18972993224,5cyclictest25-21ksoftirqd/121:18:221
18972993211,6cyclictest25-21ksoftirqd/123:34:091
18971993227,3cyclictest9-21ksoftirqd/022:00:450
18971993226,4cyclictest9-21ksoftirqd/021:44:570
18971993226,4cyclictest9-21ksoftirqd/019:27:530
18971993226,4cyclictest9-21ksoftirqd/019:27:530
138491320,0ptp4l401ktimersoftd/323:22:073
18974993126,3cyclictest41-21ksoftirqd/322:46:273
18974993126,3cyclictest41-21ksoftirqd/320:35:343
18974993125,4cyclictest41-21ksoftirqd/322:05:003
18973993126,3cyclictest33-21ksoftirqd/223:27:282
18973993126,3cyclictest33-21ksoftirqd/223:14:212
18973993126,3cyclictest33-21ksoftirqd/222:13:272
18973993126,3cyclictest33-21ksoftirqd/220:44:512
18973993126,3cyclictest33-21ksoftirqd/220:05:592
18973993125,4cyclictest33-21ksoftirqd/223:56:132
18973993125,4cyclictest33-21ksoftirqd/221:18:312
18973993125,4cyclictest33-21ksoftirqd/220:51:152
18973993125,3cyclictest33-21ksoftirqd/221:20:142
18972993126,3cyclictest25-21ksoftirqd/120:10:001
1897299312,5cyclictest25-21ksoftirqd/100:20:331
18972993125,4cyclictest25-21ksoftirqd/123:44:441
18972993125,3cyclictest25-21ksoftirqd/122:36:021
18971993126,3cyclictest9-21ksoftirqd/022:10:160
18971993126,3cyclictest9-21ksoftirqd/000:19:010
18971993125,4cyclictest9-21ksoftirqd/019:47:460
18971993114,3cyclictest30000-21nfs4_client20:35:200
138491310,0ptp4l401ktimersoftd/319:45:173
18974993025,3cyclictest41-21ksoftirqd/321:56:563
18974993025,3cyclictest41-21ksoftirqd/321:42:123
18973993025,3cyclictest33-21ksoftirqd/200:10:142
18973993025,3cyclictest33-21ksoftirqd/200:09:142
18973993024,4cyclictest33-21ksoftirqd/222:22:412
18973993024,4cyclictest33-21ksoftirqd/220:30:092
1897299302,5cyclictest25-21ksoftirqd/123:39:371
18972993025,3cyclictest25-21ksoftirqd/122:52:271
18972993024,4cyclictest25-21ksoftirqd/121:11:561
18972993024,4cyclictest25-21ksoftirqd/119:57:461
18972993023,4cyclictest25-21ksoftirqd/123:26:231
18972993023,4cyclictest25-21ksoftirqd/123:18:291
18972993010,7cyclictest25-21ksoftirqd/122:32:111
18971993025,3cyclictest9-21ksoftirqd/020:42:390
18971993024,4cyclictest9-21ksoftirqd/022:36:320
18971993024,4cyclictest9-21ksoftirqd/021:08:060
18971993024,4cyclictest9-21ksoftirqd/019:52:560
138491300,0ptp4l401ktimersoftd/322:11:133
138491300,0ptp4l401ktimersoftd/321:01:513
18974992925,2cyclictest41-21ksoftirqd/321:20:133
18974992924,3cyclictest41-21ksoftirqd/321:49:583
18974992923,4cyclictest41-21ksoftirqd/320:55:493
18974992923,4cyclictest41-21ksoftirqd/300:24:423
18973992924,3cyclictest33-21ksoftirqd/223:00:592
18973992924,3cyclictest33-21ksoftirqd/219:47:042
18973992923,4cyclictest33-21ksoftirqd/220:45:132
18972992925,2cyclictest231rcuc/119:52:311
18972992924,3cyclictest25-21ksoftirqd/123:01:521
18972992924,3cyclictest25-21ksoftirqd/122:14:301
18972992924,3cyclictest25-21ksoftirqd/119:15:101
18972992923,4cyclictest25-21ksoftirqd/100:17:441
18971992924,3cyclictest9-21ksoftirqd/020:17:480
18971992924,3cyclictest9-21ksoftirqd/019:37:020
18971992924,3cyclictest9-21ksoftirqd/000:24:530
18971992923,4cyclictest9-21ksoftirqd/020:52:010
18971992923,4cyclictest9-21ksoftirqd/019:34:310
138491290,0ptp4l401ktimersoftd/320:10:513
18974992823,3cyclictest41-21ksoftirqd/322:40:133
18974992822,4cyclictest41-21ksoftirqd/322:22:313
18973992823,3cyclictest33-21ksoftirqd/223:05:132
18972992823,3cyclictest25-21ksoftirqd/121:46:411
18972992821,4cyclictest25-21ksoftirqd/122:41:341
18971992823,3cyclictest9-21ksoftirqd/021:11:470
18971992822,4cyclictest9-21ksoftirqd/023:12:220
18971992822,4cyclictest9-21ksoftirqd/022:25:370
18971992822,4cyclictest9-21ksoftirqd/021:29:040
18971992822,4cyclictest9-21ksoftirqd/000:14:160
138491280,0ptp4l401ktimersoftd/323:59:203
18974992722,3cyclictest41-21ksoftirqd/300:05:583
18973992722,3cyclictest33-21ksoftirqd/219:43:082
18972992723,2cyclictest25-21ksoftirqd/100:00:211
18972992722,3cyclictest25-21ksoftirqd/122:20:201
18972992722,3cyclictest25-21ksoftirqd/119:10:281
18972992721,3cyclictest25-21ksoftirqd/122:26:451
1897299270,5cyclictest25-21ksoftirqd/121:50:211
1897299270,5cyclictest25-21ksoftirqd/121:50:211
18971992722,3cyclictest9-21ksoftirqd/022:57:020
18971992721,4cyclictest9-21ksoftirqd/000:00:040
18971992720,4cyclictest9-21ksoftirqd/019:20:390
138491270,0ptp4l401ktimersoftd/321:30:053
18973992621,3cyclictest33-21ksoftirqd/223:16:592
18973992621,3cyclictest33-21ksoftirqd/219:52:402
18972992622,3cyclictest25-21ksoftirqd/123:07:171
18971992621,3cyclictest9-21ksoftirqd/021:32:200
18971992620,4cyclictest9-21ksoftirqd/020:11:210
18972992520,3cyclictest25-21ksoftirqd/121:40:501
18971992519,4cyclictest9-21ksoftirqd/022:06:510
138491250,0ptp4l401ktimersoftd/323:00:123
18971992420,3cyclictest9-21ksoftirqd/020:25:180
18971992419,3cyclictest9-21ksoftirqd/019:57:110
18971992418,4cyclictest9-21ksoftirqd/023:23:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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