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2026-08-18 - 17:33
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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 Tue Aug 18, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1960921820,4sleep0153699cyclictest13:31:230
220021620,5sleep2154699cyclictest13:46:592
1068911060,3ptp4l401ktimersoftd/309:23:443
3342600,3sleep0101ktimersoftd/013:43:520
1553995948,5cyclictest41-21ksoftirqd/311:17:573
1553995621,4cyclictest41-21ksoftirqd/312:48:043
106891550,1ptp4l401ktimersoftd/314:13:073
1553995423,7cyclictest41-21ksoftirqd/311:27:583
106891540,1ptp4l401ktimersoftd/311:57:213
1553995131,3cyclictest41-21ksoftirqd/311:08:133
1553995121,7cyclictest41-21ksoftirqd/312:43:033
1553995040,5cyclictest41-21ksoftirqd/312:53:003
1553995023,9cyclictest41-21ksoftirqd/311:38:003
110312500,4sleep011035-21latency14:28:080
1553994921,4cyclictest41-21ksoftirqd/313:38:003
1553994836,3cyclictest41-21ksoftirqd/314:47:503
1553994824,4cyclictest41-21ksoftirqd/312:22:393
1553994820,9cyclictest41-21ksoftirqd/313:12:473
1553994820,5cyclictest41-21ksoftirqd/312:33:023
155399478,3cyclictest41-21ksoftirqd/312:58:073
155399475,8cyclictest41-21ksoftirqd/310:52:573
155399475,10cyclictest5522-21apt-get13:17:483
1553994739,4cyclictest41-21ksoftirqd/310:07:473
1553994723,4cyclictest41-21ksoftirqd/309:53:113
1553994721,4cyclictest41-21ksoftirqd/313:23:063
1546994737,7cyclictest0-21swapper/209:27:422
152962470,1sleep00-21swapper/013:59:180
155399465,9cyclictest41-21ksoftirqd/313:53:113
155399465,9cyclictest41-21ksoftirqd/313:53:113
155399462,8cyclictest41-21ksoftirqd/311:48:143
1553994623,4cyclictest41-21ksoftirqd/309:43:033
1553994622,4cyclictest41-21ksoftirqd/314:48:173
1553994622,4cyclictest41-21ksoftirqd/314:08:113
1553994620,9cyclictest41-21ksoftirqd/310:38:063
155399454,8cyclictest41-21ksoftirqd/310:43:083
1553994522,3cyclictest41-21ksoftirqd/312:25:133
1553994516,5cyclictest41-21ksoftirqd/309:32:443
155399444,9cyclictest41-21ksoftirqd/314:33:113
155399444,8cyclictest41-21ksoftirqd/314:28:053
155399444,7cyclictest41-21ksoftirqd/309:28:053
1553994434,3cyclictest41-21ksoftirqd/309:38:063
1553994430,12cyclictest41-21ksoftirqd/314:18:103
1553994419,5cyclictest41-21ksoftirqd/311:37:063
1553994419,4cyclictest41-21ksoftirqd/312:13:313
1553994418,8cyclictest41-21ksoftirqd/314:04:333
1553994418,10cyclictest41-21ksoftirqd/311:58:043
1553994416,5cyclictest41-21ksoftirqd/311:03:013
1553994414,8cyclictest41-21ksoftirqd/312:29:133
155399437,3cyclictest41-21ksoftirqd/309:48:023
1553994333,3cyclictest41-21ksoftirqd/313:37:473
1553994328,3cyclictest41-21ksoftirqd/312:08:023
1553994322,7cyclictest41-21ksoftirqd/313:30:523
1553994320,4cyclictest41-21ksoftirqd/310:32:563
1553994319,9cyclictest41-21ksoftirqd/314:54:223
1553994317,8cyclictest41-21ksoftirqd/312:04:133
1553994317,8cyclictest41-21ksoftirqd/312:04:133
1553994315,7cyclictest41-21ksoftirqd/314:27:343
1553994315,4cyclictest41-21ksoftirqd/310:47:593
1553994315,10cyclictest41-21ksoftirqd/311:43:013
155399427,8cyclictest41-21ksoftirqd/313:04:563
155399427,3cyclictest41-21ksoftirqd/310:05:403
155399427,3cyclictest41-21ksoftirqd/310:05:403
155399425,9cyclictest41-21ksoftirqd/313:58:063
155399425,8cyclictest41-21ksoftirqd/310:23:053
155399424,9cyclictest41-21ksoftirqd/311:23:113
155399423,5cyclictest41-21ksoftirqd/313:18:083
155399421,9cyclictest41-21ksoftirqd/314:38:193
1553994219,4cyclictest41-21ksoftirqd/313:51:153
1553994215,9cyclictest41-21ksoftirqd/313:47:073
155399420,9cyclictest26712-21latency_hist10:17:433
155399420,9cyclictest26712-21latency_hist10:17:433
155399418,6cyclictest41-21ksoftirqd/309:57:573
155399414,3cyclictest41-21ksoftirqd/310:22:443
1553994115,4cyclictest41-21ksoftirqd/310:57:583
1553994114,10cyclictest41-21ksoftirqd/312:39:413
155399391,9cyclictest41-21ksoftirqd/311:13:033
155399385,7cyclictest41-21ksoftirqd/310:28:003
13572342,20sleep00-21swapper/009:26:460
92362320,4sleep20-21swapper/211:41:412
154699316,14cyclictest25762-21ssh13:38:002
154699299,9cyclictest33-21ksoftirqd/212:48:052
1546992923,4cyclictest33-21ksoftirqd/212:57:472
1536992916,4cyclictest9-21ksoftirqd/011:47:580
12032296,10sleep10-21swapper/109:24:451
1546992822,3cyclictest33-21ksoftirqd/213:49:162
1546992821,4cyclictest33-21ksoftirqd/210:59:452
153699281,2cyclictest121rcu_preempt12:48:050
230402270,2sleep20-21swapper/214:40:392
1546992721,3cyclictest33-21ksoftirqd/211:24:282
1546992720,4cyclictest33-21ksoftirqd/212:25:152
154699271,3cyclictest121rcu_preempt13:59:012
1541992722,3cyclictest25-21ksoftirqd/113:57:481
1541992722,3cyclictest25-21ksoftirqd/113:57:481
1541992722,3cyclictest25-21ksoftirqd/113:17:481
1536992721,3cyclictest9-21ksoftirqd/009:36:190
1546992620,3cyclictest33-21ksoftirqd/209:28:052
1541992621,3cyclictest25-21ksoftirqd/113:17:521
1541992619,4cyclictest25-21ksoftirqd/114:01:111
1536992621,3cyclictest9-21ksoftirqd/013:34:410
1536992620,3cyclictest9-21ksoftirqd/009:57:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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