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2025-12-15 - 14:18
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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 Mon Dec 15, 2025 13:38:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2818721540,2sleep30-21swapper/312:26:533
2818721540,2sleep30-21swapper/312:26:533
853821420,3sleep20-21swapper/207:10:372
853821420,3sleep20-21swapper/207:10:372
638721230,3chrt0-21swapper/308:31:503
638721230,3chrt0-21swapper/308:31:503
239632730,5chrt23965-21grep10:46:541
239632730,5chrt23965-21grep10:46:541
69942620,3sleep10-21swapper/110:01:531
157442560,3sleep20-21swapper/207:30:012
20332530,2sleep01924-21/usr/sbin/munin08:21:440
163832470,3sleep1201rcuc/109:00:011
324192440,3sleep30-21swapper/312:40:033
324192440,3sleep30-21swapper/312:40:033
112662440,4sleep10-21swapper/111:41:511
84742420,2sleep08263-21ls07:10:110
84742420,2sleep08263-21ls07:10:110
306612410,3chrt0-21swapper/111:06:471
203092410,3sleep10-21swapper/110:36:531
82362380,3sleep18540-21cyclictest08:36:511
84822354,25sleep30-21swapper/307:10:183
84822354,25sleep30-21swapper/307:10:183
230932330,2sleep123297-21sed09:16:541
258582320,2sleep225953-21/usr/sbin/munin07:56:512
258582320,2sleep225953-21/usr/sbin/munin07:56:512
116882320,1sleep011689-21sendmail-mta10:16:080
101162310,1sleep1201rcuc/108:41:531
217692290,2sleep121819-21date09:15:011
217692290,2sleep121819-21date09:15:011
127662290,2sleep212894-21sed07:21:472
127662290,2sleep212894-21sed07:21:472
112452290,3sleep10-21swapper/108:46:431
112452290,3sleep10-21swapper/108:46:431
854299289,9cyclictest21-21ksoftirqd/107:24:391
854299289,9cyclictest21-21ksoftirqd/107:24:391
85532270,3chrt0-21swapper/308:36:533
854299278,9cyclictest21-21ksoftirqd/112:39:021
854299278,9cyclictest21-21ksoftirqd/112:39:021
854299277,12cyclictest21-21ksoftirqd/111:51:441
854299277,12cyclictest21-21ksoftirqd/111:51:441
854199277,8cyclictest131rcu_preempt11:11:460
153172270,3sleep30-21swapper/308:56:463
8543992614,9cyclictest26295-21cut10:55:032
854299268,10cyclictest21-21ksoftirqd/107:50:431
854299268,10cyclictest21-21ksoftirqd/107:50:431
8542992613,3cyclictest131rcu_preempt07:36:511
8542992613,3cyclictest131rcu_preempt07:36:511
8541992617,2cyclictest12-21ksoftirqd/009:31:540
8541992617,2cyclictest12-21ksoftirqd/009:31:540
79612260,3sleep00-21swapper/011:31:530
79612260,3sleep00-21swapper/011:31:530
191732260,2sleep2261rcuc/210:36:422
153152260,3sleep30-21swapper/311:51:533
153152260,3sleep30-21swapper/311:51:533
854299255,9cyclictest21-21ksoftirqd/112:11:541
854299255,9cyclictest21-21ksoftirqd/112:11:541
8542992517,6cyclictest201rcuc/112:31:141
8542992517,6cyclictest201rcuc/111:55:181
8542992517,6cyclictest201rcuc/108:20:571
8542992513,3cyclictest131rcu_preempt11:26:311
8542992511,3cyclictest131rcu_preempt11:49:521
854199255,4cyclictest29442-21unixbench_multi11:01:540
854199255,4cyclictest29442-21unixbench_multi11:01:540
8541992511,12cyclictest6996-21proc_pri10:01:530
854199251,10cyclictest19060-21grep12:01:540
854199251,10cyclictest19060-21grep12:01:540
854399241,20cyclictest1669-21ls09:46:542
8543992410,3cyclictest0-21swapper/211:16:532
8543992410,3cyclictest0-21swapper/211:16:532
854299247,9cyclictest21-21ksoftirqd/112:05:341
854299246,4cyclictest131rcu_preempt10:06:451
854299242,5cyclictest21-21ksoftirqd/109:36:461
8542992417,5cyclictest201rcuc/112:23:511
8542992417,5cyclictest201rcuc/110:17:011
8542992417,5cyclictest201rcuc/107:12:541
8542992417,5cyclictest201rcuc/107:12:541
8542992416,6cyclictest201rcuc/110:31:041
8542992411,3cyclictest131rcu_preempt08:30:521
8542992411,3cyclictest131rcu_preempt08:30:521
8542992410,4cyclictest131rcu_preempt09:25:521
8542992410,4cyclictest131rcu_preempt09:25:521
15292240,2sleep30-21swapper/309:46:533
854299239,8cyclictest21-21ksoftirqd/111:11:061
854299237,6cyclictest21-21ksoftirqd/111:20:441
854299237,6cyclictest21-21ksoftirqd/111:20:441
8542992317,4cyclictest201rcuc/111:17:571
8542992317,4cyclictest201rcuc/111:17:571
8542992316,5cyclictest201rcuc/109:49:131
8542992316,5cyclictest201rcuc/107:41:151
854299231,5cyclictest201rcuc/110:58:241
8542992315,6cyclictest201rcuc/108:54:241
854299231,4cyclictest0-21swapper/112:17:491
854299231,19cyclictest8713-21find11:36:431
854299231,19cyclictest8713-21find11:36:431
854299231,16cyclictest6872-21find11:31:431
854299231,16cyclictest6872-21find11:31:431
854299231,16cyclictest0-21swapper/110:27:431
854299231,16cyclictest0-21swapper/110:27:431
8542992311,3cyclictest131rcu_preempt08:01:591
854199234,4cyclictest25224-21kworker/0:009:26:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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