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2025-12-13 - 15:36
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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 rack4slot1.osadl.org (updated Sat Dec 13, 2025 13:38:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41242960,2sleep30-21swapper/312:21:533
270512750,3chrt261rcuc/210:30:012
270512750,3chrt261rcuc/210:30:012
297812640,3sleep10-21swapper/110:36:471
297812640,3sleep10-21swapper/110:36:471
316712500,1sleep231733-21fschecks_count07:46:562
175592470,3sleep00-21swapper/011:31:470
175592470,3sleep00-21swapper/011:31:470
124472420,2sleep30-21swapper/311:16:513
317502410,2sleep30-21swapper/307:46:563
159312410,2sleep215977-21latency_hist10:00:012
159312410,2sleep215977-21latency_hist10:00:012
154492400,3sleep00-21swapper/009:56:520
154492400,3sleep00-21swapper/009:56:520
220052370,2sleep30-21swapper/307:20:003
189892370,4sleep20-21swapper/207:11:442
189892370,4sleep20-21swapper/207:11:442
73932350,2sleep06564-21/usr/sbin/munin12:31:510
68992340,4sleep20-21swapper/211:01:522
185352344,24sleep30-21swapper/307:10:213
185352344,24sleep30-21swapper/307:10:213
24522320,3sleep22246-21/usr/sbin/munin10:51:432
24522320,3sleep22246-21/usr/sbin/munin10:51:432
31152300,2sleep227-21ksoftirqd/209:25:002
18589993013,10cyclictest12-21ksoftirqd/008:58:220
185482304,19sleep10-21swapper/107:10:311
185482304,19sleep10-21swapper/107:10:311
215332290,2sleep30-21swapper/311:41:513
215332290,2sleep30-21swapper/311:41:513
1859099297,3cyclictest131rcu_preempt07:32:151
1859099291,18cyclictest0-21swapper/108:39:561
1859099291,18cyclictest0-21swapper/108:39:561
1859199284,5cyclictest27-21ksoftirqd/211:56:462
1859099287,3cyclictest131rcu_preempt11:26:541
1859099285,5cyclictest21-21ksoftirqd/109:21:441
1859099281,3cyclictest0-21swapper/112:02:481
1859099281,3cyclictest0-21swapper/112:02:481
1858999286,13cyclictest12-21ksoftirqd/008:12:010
1858999286,13cyclictest12-21ksoftirqd/008:12:010
1858999284,17cyclictest12-21ksoftirqd/007:11:470
1858999284,17cyclictest12-21ksoftirqd/007:11:470
18589992813,7cyclictest12-21ksoftirqd/007:58:390
18589992813,7cyclictest12-21ksoftirqd/007:58:390
1859099278,3cyclictest131rcu_preempt09:32:251
1859099278,3cyclictest131rcu_preempt09:32:251
1859099278,3cyclictest131rcu_preempt07:59:351
1859099278,3cyclictest131rcu_preempt07:59:351
1859099276,3cyclictest131rcu_preempt08:26:511
1859099276,3cyclictest131rcu_preempt08:06:431
1859099274,6cyclictest21-21ksoftirqd/111:12:061
1859099274,3cyclictest131rcu_preempt10:21:421
1859099274,3cyclictest131rcu_preempt10:21:421
1858999278,12cyclictest12-21ksoftirqd/010:11:430
1858999278,11cyclictest12-21ksoftirqd/010:28:440
1858999278,11cyclictest12-21ksoftirqd/010:28:440
1858999277,8cyclictest12-21ksoftirqd/012:14:310
1858999277,8cyclictest12-21ksoftirqd/009:09:370
1858999277,8cyclictest12-21ksoftirqd/009:09:370
1858999276,6cyclictest12-21ksoftirqd/011:16:430
1858999275,9cyclictest12-21ksoftirqd/007:31:540
1859199269,3cyclictest131rcu_preempt08:56:492
1859199263,5cyclictest27-21ksoftirqd/212:26:482
1859199263,5cyclictest27-21ksoftirqd/212:26:482
1859099267,3cyclictest131rcu_preempt07:50:021
1859099266,4cyclictest131rcu_preempt10:01:511
1859099266,4cyclictest131rcu_preempt10:01:511
1859099266,3cyclictest131rcu_preempt12:06:431
1859099266,3cyclictest131rcu_preempt11:16:271
1859099266,3cyclictest131rcu_preempt10:48:541
1859099266,3cyclictest131rcu_preempt10:48:541
1859099266,3cyclictest131rcu_preempt08:01:461
1859099264,5cyclictest21-21ksoftirqd/110:18:521
1859099264,5cyclictest21-21ksoftirqd/110:18:521
1859099264,5cyclictest21-21ksoftirqd/107:21:431
1859099264,5cyclictest21-21ksoftirqd/107:21:431
1859099264,4cyclictest21-21ksoftirqd/112:30:011
1859099264,4cyclictest21-21ksoftirqd/112:30:011
1859099263,6cyclictest21-21ksoftirqd/112:36:541
1859099263,6cyclictest21-21ksoftirqd/111:46:441
1859099263,6cyclictest21-21ksoftirqd/111:46:441
1859099263,6cyclictest21-21ksoftirqd/111:33:081
1859099263,6cyclictest21-21ksoftirqd/111:33:081
1859099263,6cyclictest21-21ksoftirqd/109:26:431
1859099263,5cyclictest21-21ksoftirqd/109:44:591
1859099263,5cyclictest21-21ksoftirqd/109:16:521
1859099263,5cyclictest21-21ksoftirqd/109:01:441
1859099263,5cyclictest21-21ksoftirqd/109:01:441
1859099261,5cyclictest21-21ksoftirqd/109:37:461
1859099261,5cyclictest21-21ksoftirqd/109:37:461
18590992610,3cyclictest131rcu_preempt09:57:041
18590992610,3cyclictest131rcu_preempt09:57:041
1858999269,4cyclictest0-21swapper/011:58:200
1858999269,10cyclictest12-21ksoftirqd/009:17:330
1858999269,10cyclictest0-21swapper/011:10:280
1858999268,6cyclictest12-21ksoftirqd/012:06:440
1858999266,7cyclictest12-21ksoftirqd/008:43:160
1858999264,6cyclictest12-21ksoftirqd/010:52:560
1858999264,6cyclictest12-21ksoftirqd/010:52:560
1858999263,3cyclictest131rcu_preempt11:51:510
18589992618,6cyclictest151rcuc/008:02:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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