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2026-03-20 - 07:07
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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 376 highest latencies:
System rack4slot1.osadl.org (updated Thu Mar 19, 2026 20:41:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350521100,3sleep30-21swapper/319:51:503
1145921040,3sleep30-21swapper/320:11:563
2099321010,5sleep20-21swapper/219:12:072
2099321010,5sleep20-21swapper/219:12:072
2454821000,2sleep10-21swapper/119:21:541
2454821000,2sleep10-21swapper/119:21:541
245462970,1sleep012-21ksoftirqd/019:21:530
245462970,1sleep012-21ksoftirqd/019:21:530
95622950,2sleep30-21swapper/320:06:533
95622950,2sleep30-21swapper/320:06:533
314692810,4chrt0-21swapper/019:41:420
314692810,4chrt0-21swapper/019:41:420
227422610,3sleep021664-21/usr/sbin/munin19:16:540
227422610,3sleep021664-21/usr/sbin/munin19:16:540
71102570,3sleep30-21swapper/320:01:473
46532520,3sleep30-21swapper/319:56:403
46532520,3sleep30-21swapper/319:56:403
175822490,4sleep00-21swapper/020:27:160
175822490,4sleep00-21swapper/020:27:160
109012440,4sleep10-21swapper/120:11:461
206242384,26sleep120685-21find19:11:541
206242384,26sleep120685-21find19:11:541
36972370,3sleep13696-21grep19:51:521
283892370,4sleep30-21swapper/319:31:533
283892370,4sleep30-21swapper/319:31:533
11562350,2sleep30-21swapper/319:46:443
11562350,2sleep30-21swapper/319:46:443
2103999332,26cyclictest3692-21find19:51:530
286282320,3sleep00-21swapper/019:31:540
286282320,3sleep00-21swapper/019:31:540
21039992923,4cyclictest27995-1kworker/0:2H20:01:300
21039992923,4cyclictest27995-1kworker/0:2H20:01:300
78942280,3chrt0-21swapper/120:01:571
209002284,14sleep019487-21ls19:11:570
209002284,14sleep019487-21ls19:11:570
2103999273,6cyclictest131rcu_preempt20:11:550
218172261,3sleep30-21swapper/320:41:313
218172261,3sleep30-21swapper/320:41:313
198482261,20sleep30-21swapper/319:11:433
198482261,20sleep30-21swapper/319:11:433
2104199245,3cyclictest131rcu_preempt20:11:552
21039992416,6cyclictest1533-21ps19:46:500
21039992416,6cyclictest1533-21ps19:46:500
2103999240,3cyclictest131rcu_preempt19:26:540
2103999240,3cyclictest131rcu_preempt19:26:540
2104299238,11cyclictest245382sleep319:21:533
2104299238,11cyclictest245382sleep319:21:533
2104199237,3cyclictest131rcu_preempt20:21:542
2104199237,3cyclictest131rcu_preempt20:21:542
2104099239,11cyclictest26455-21find19:26:541
2104099239,11cyclictest26455-21find19:26:541
2104099231,3cyclictest131rcu_preempt19:46:531
2104099231,3cyclictest131rcu_preempt19:46:531
2104099231,18cyclictest12487-21ls20:16:431
2104099231,18cyclictest12487-21ls20:16:431
2104099231,18cyclictest12487-21ls20:16:431
2104099229,6cyclictest131rcu_preempt19:56:531
2104099229,6cyclictest131rcu_preempt19:56:531
2104099221,2cyclictest131rcu_preempt19:41:461
2104099221,2cyclictest131rcu_preempt19:41:461
2104199210,16cyclictest2816-21cut19:51:422
2104099213,3cyclictest131rcu_preempt20:31:531
2104099213,3cyclictest131rcu_preempt20:31:531
2104099212,4cyclictest131rcu_preempt19:16:551
2104099212,4cyclictest131rcu_preempt19:16:551
2103999211,9cyclictest7795-21sed20:01:560
21039992113,6cyclictest9076-21cat20:06:450
21039992113,6cyclictest9076-21cat20:06:450
2104299204,10cyclictest0-21swapper/319:16:533
2104299204,10cyclictest0-21swapper/319:16:533
2104199201,6cyclictest131rcu_preempt19:56:532
2104199201,6cyclictest131rcu_preempt19:56:532
2104199201,15cyclictest7599-21find20:01:552
2104199201,15cyclictest29497-21cut19:36:422
2104199201,15cyclictest29497-21cut19:36:422
21040992012,6cyclictest0-21swapper/120:41:371
21040992012,6cyclictest0-21swapper/120:41:371
2104099201,16cyclictest29787-21latency19:36:441
2104099201,16cyclictest29787-21latency19:36:441
2104099201,13cyclictest17217-21ls20:26:531
2104099201,13cyclictest17217-21ls20:26:531
21039992015,4cyclictest0-21swapper/019:36:520
21039992015,4cyclictest0-21swapper/019:36:520
21039992013,5cyclictest38650irq/55-eth020:31:440
21039992013,5cyclictest38650irq/55-eth020:31:440
2104199198,4cyclictest731kswapd020:16:442
2104199198,4cyclictest731kswapd020:16:442
2104199198,4cyclictest731kswapd020:16:442
2104199191,4cyclictest131rcu_preempt19:26:542
2104199191,4cyclictest131rcu_preempt19:26:542
2104199191,3cyclictest0-21swapper/220:36:532
2104199191,3cyclictest0-21swapper/220:36:532
21041991911,6cyclictest0-21swapper/219:51:332
21041991911,6cyclictest0-21swapper/219:51:332
2104199191,15cyclictest28566-21sed19:31:532
2104199191,15cyclictest28566-21sed19:31:532
21040991912,4cyclictest0-21swapper/120:21:541
21040991912,4cyclictest0-21swapper/120:21:541
2104099191,10cyclictest8935-21uname20:06:441
2104099191,10cyclictest8935-21uname20:06:441
2103999191,9cyclictest21946-21latency_hist20:41:340
2103999191,9cyclictest21946-21latency_hist20:41:340
2103999190,15cyclictest16063-21ls20:26:310
2103999190,15cyclictest16063-21ls20:26:310
2104299181,12cyclictest0-21swapper/319:36:423
2104299181,12cyclictest0-21swapper/319:36:423
2104199181,12cyclictest0-21swapper/220:06:402
2104199181,12cyclictest0-21swapper/220:06:402
2104099181,6cyclictest27594-21fschecks_count19:31:411
2104099181,6cyclictest27594-21fschecks_count19:31:411
2103999184,12cyclictest12517-21/usr/sbin/munin20:16:440
2103999184,12cyclictest12517-21/usr/sbin/munin20:16:440
2103999184,12cyclictest12517-21/usr/sbin/munin20:16:440
2104199173,11cyclictest17243-21wc20:26:532
2104199173,11cyclictest17243-21wc20:26:532
2104199172,14cyclictest73-21kswapd019:21:542
2104199172,14cyclictest73-21kswapd019:21:542
2104199171,14cyclictest18901-21ntp_states20:31:512
2104199171,14cyclictest18901-21ntp_states20:31:512
2104199170,9cyclictest695-21runrttasks19:17:212
2104199170,9cyclictest695-21runrttasks19:17:212
2104299161,9cyclictest0-21swapper/319:46:373
2104299161,9cyclictest0-21swapper/319:46:373
2104199166,8cyclictest31370-21df19:41:412
2104199166,8cyclictest31370-21df19:41:412
2104299141,8cyclictest0-21swapper/320:16:443
2104299141,8cyclictest0-21swapper/320:16:443
2104299141,8cyclictest0-21swapper/320:16:443
2104299141,10cyclictest17388-21chrt20:26:553
2104299141,10cyclictest17388-21chrt20:26:553
2104299139,3cyclictest197342chrt20:34:433
2104299139,3cyclictest197342chrt20:34:433
2104299131,7cyclictest0-21swapper/320:21:413
2104299131,7cyclictest0-21swapper/320:21:413
2104299111,8cyclictest26460-21taskset19:26:543
2104299111,8cyclictest26460-21taskset19:26:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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