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2026-09-06 - 18:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Sun Sep 06, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911790,5ptp4l401ktimersoftd/309:33:593
165122870,2sleep10-21swapper/113:16:421
23754997664,6cyclictest25-21ksoftirqd/113:58:291
23754996856,4cyclictest25-21ksoftirqd/112:13:281
23754996553,6cyclictest25-21ksoftirqd/113:08:291
327092630,3sleep032682-21ssh14:38:390
300552630,4sleep3391rcuc/311:50:563
203572610,2sleep30-21swapper/313:19:573
233232564,40sleep00-21swapper/009:34:010
23754995241,5cyclictest25-21ksoftirqd/113:33:291
2376899518,7cyclictest16266-21fschecks_count12:43:313
2376899518,7cyclictest16266-21fschecks_count12:43:313
23754995138,6cyclictest25-21ksoftirqd/111:18:251
23754995138,6cyclictest25-21ksoftirqd/109:53:241
193152510,2sleep319317-21tune2fs12:13:323
23754995037,7cyclictest25-21ksoftirqd/114:18:291
23760994933,8cyclictest33-21ksoftirqd/214:58:312
23754994836,5cyclictest25-21ksoftirqd/111:23:281
2376899467,6cyclictest14287-21grep14:53:363
2376899457,7cyclictest41-21ksoftirqd/313:43:383
23754994533,7cyclictest25-21ksoftirqd/110:13:251
23754994337,3cyclictest25-21ksoftirqd/112:58:201
23754994330,7cyclictest25-21ksoftirqd/110:33:241
2376899416,5cyclictest41-21ksoftirqd/314:09:503
2334424122,8sleep10-21swapper/109:34:191
2376899409,5cyclictest41-21ksoftirqd/314:50:353
2376899405,5cyclictest41-21ksoftirqd/313:31:133
2376899397,5cyclictest41-21ksoftirqd/314:20:003
2376899397,5cyclictest41-21ksoftirqd/313:53:533
2376899396,5cyclictest41-21ksoftirqd/314:45:113
2376899396,5cyclictest41-21ksoftirqd/311:59:443
23754993933,3cyclictest25-21ksoftirqd/113:28:221
106891390,1ptp4l401ktimersoftd/315:04:253
106891390,1ptp4l401ktimersoftd/314:39:003
106891390,1ptp4l401ktimersoftd/313:25:243
106891390,1ptp4l401ktimersoftd/312:33:073
106891390,1ptp4l401ktimersoftd/311:54:043
2376899387,5cyclictest41-21ksoftirqd/311:45:343
2376899386,5cyclictest41-21ksoftirqd/313:06:233
2376899385,4cyclictest41-21ksoftirqd/314:08:083
23754993832,3cyclictest25-21ksoftirqd/114:13:221
106891380,1ptp4l401ktimersoftd/314:33:523
106891380,1ptp4l401ktimersoftd/314:33:523
106891380,1ptp4l401ktimersoftd/314:15:433
106891380,1ptp4l401ktimersoftd/313:13:303
106891380,1ptp4l401ktimersoftd/313:11:513
106891380,1ptp4l401ktimersoftd/312:56:103
106891380,1ptp4l401ktimersoftd/312:19:093
106891380,1ptp4l401ktimersoftd/312:13:133
106891380,1ptp4l401ktimersoftd/311:38:503
106891380,1ptp4l401ktimersoftd/311:33:393
106891380,0ptp4l401ktimersoftd/315:01:193
106891380,0ptp4l401ktimersoftd/314:30:503
106891380,0ptp4l401ktimersoftd/313:59:453
106891380,0ptp4l401ktimersoftd/313:51:023
106891380,0ptp4l401ktimersoftd/313:00:093
2376899378,5cyclictest41-21ksoftirqd/310:53:403
2376899376,5cyclictest41-21ksoftirqd/313:40:203
23754993727,5cyclictest25-21ksoftirqd/110:03:241
23754993725,6cyclictest25-21ksoftirqd/110:18:241
23754993719,3cyclictest25-21ksoftirqd/115:03:191
106891370,1ptp4l401ktimersoftd/312:24:333
106891370,0ptp4l401ktimersoftd/312:05:403
2376899365,4cyclictest41-21ksoftirqd/312:50:013
23754993631,3cyclictest25-21ksoftirqd/111:48:151
116832360,1sleep00-21swapper/013:11:470
2376899359,6cyclictest41-21ksoftirqd/313:34:573
23768993514,9cyclictest41-21ksoftirqd/312:42:063
23760993529,3cyclictest33-21ksoftirqd/211:48:152
23754993522,10cyclictest25-21ksoftirqd/111:48:341
23754993520,3cyclictest25-21ksoftirqd/111:38:301
106891350,0ptp4l401ktimersoftd/310:52:443
23768993427,4cyclictest7172-21cron11:18:143
23754993429,3cyclictest25-21ksoftirqd/113:38:461
23754993428,3cyclictest25-21ksoftirqd/114:28:181
23754993428,3cyclictest25-21ksoftirqd/114:13:181
23754993413,13cyclictest25-21ksoftirqd/113:53:381
106891340,1ptp4l401ktimersoftd/312:37:453
106891340,0ptp4l401ktimersoftd/309:55:063
23760993327,4cyclictest33-21ksoftirqd/214:13:352
23760993327,3cyclictest33-21ksoftirqd/211:58:342
23760993327,3cyclictest33-21ksoftirqd/210:08:122
23754993328,3cyclictest25-21ksoftirqd/112:48:161
23754993328,3cyclictest25-21ksoftirqd/112:48:161
23754993328,3cyclictest25-21ksoftirqd/109:53:121
23754993327,3cyclictest25-21ksoftirqd/113:53:181
23754993327,3cyclictest25-21ksoftirqd/112:28:451
23754993324,6cyclictest25-21ksoftirqd/112:38:451
2376899327,5cyclictest41-21ksoftirqd/310:20:553
23760993227,3cyclictest33-21ksoftirqd/214:38:182
23760993227,3cyclictest33-21ksoftirqd/214:38:182
23760993226,3cyclictest33-21ksoftirqd/213:43:172
23760993226,3cyclictest33-21ksoftirqd/209:53:122
23760993223,4cyclictest33-21ksoftirqd/212:33:272
23760993220,10cyclictest33-21ksoftirqd/214:11:132
23754993227,3cyclictest25-21ksoftirqd/114:03:201
23754993227,3cyclictest25-21ksoftirqd/112:38:161
23754993227,3cyclictest25-21ksoftirqd/111:58:341
23754993226,4cyclictest25-21ksoftirqd/113:03:331
23754993226,3cyclictest25-21ksoftirqd/112:28:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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