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2025-11-16 - 07:54
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Sun Nov 16, 2025 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3160042999080,7cyclictest3253302-21kworker/u4:0+events_unbound22:52:570
3160044998839,38cyclictest3203009-21aten_r7power_en21:25:161
3160042998782,3cyclictest3300951-21kworker/u4:14+events_unbound23:38:130
3160044998679,5cyclictest3137722-21kworker/u4:1+events_unbound19:12:071
3160044998539,29cyclictest3323715-21timerandwakeup23:55:421
3160044998331,28cyclictest0-21swapper/123:20:321
3160042998377,4cyclictest3236764-21kworker/u4:4+events_unbound22:12:480
3160042998273,6cyclictest3269096-21kworker/u4:3+events_unbound22:58:020
3160042998172,6cyclictest3240873-21kworker/u4:1+events_unbound22:22:500
3160042998172,6cyclictest3191007-21kworker/u4:4+events_unbound21:07:340
316004299804,27cyclictest3195936-21ntpq21:15:350
3160044997926,36cyclictest0-21swapper/122:35:211
3160042997972,5cyclictest3193223-21kworker/u4:10+events_unbound21:13:140
3160042997931,46cyclictest3185019-21fschecks_count20:45:220
3160044997735,22cyclictest3240045-21unixbench_multi22:10:431
3160044997724,41cyclictest0-21swapper/122:25:331
3160042997736,38cyclictest3295103-21latency_hist23:20:020
3160042997668,5cyclictest3201009-21kworker/u4:6+events_unbound21:48:200
3160042997627,43cyclictest3331212-21ssh00:05:320
3160044997565,8cyclictest3174255-21kworker/u4:13+events_unbound20:32:231
3160044997545,27cyclictest0-21swapper/123:13:061
3160042997464,7cyclictest3149868-21kworker/u4:5+events_unbound19:42:150
316004299743,29cyclictest3283938-21ssh23:05:310
3160042997420,6cyclictest3215390-21ssh21:40:280
3160044997329,22cyclictest0-21swapper/123:25:451
3160042997262,7cyclictest3157500-21kworker/u4:4+events_unbound19:47:560
3160044997165,4cyclictest3312894-21kworker/u4:0+events_unbound23:53:461
3160044997162,6cyclictest3335528-21kworker/u4:3+events_unbound00:18:181
3160044997129,21cyclictest0-21swapper/123:05:251
3160042997130,38cyclictest0-21swapper/000:30:380
3160044997035,32cyclictest0-21swapper/100:00:171
3160042997024,4cyclictest0-21swapper/000:15:230
316004499694,37cyclictest3202459-21ssh21:24:451
3160042996960,7cyclictest3312894-21kworker/u4:0+events_unbound00:13:500
3160042996960,6cyclictest3157501-21kworker/u4:6+events_unbound19:27:120
3160042996934,32cyclictest3231856-21timerwakeupswit22:00:420
3160044996835,30cyclictest3236100-21/usr/sbin/munin22:05:431
316004499683,36cyclictest3334603-21ntpq00:10:341
316004499682,41cyclictest3313133-21ssh23:42:221
316004499682,39cyclictest3332163-21ssh00:06:281
316004499681,43cyclictest3294683-21ssh23:19:301
3160042996832,33cyclictest3203948-21switchtime21:25:380
316004499671,41cyclictest3318213-21ssh23:49:191
3160042996735,28cyclictest0-21swapper/023:00:260
3160044996635,28cyclictest3279547-21sort23:00:201
3160042996657,6cyclictest3171582-21kworker/u4:10+events_unbound20:27:220
3160042996632,32cyclictest3199654-21ntp_kernel_err21:20:250
316004299663,11cyclictest3182009-21modprobe20:35:000
3160042996629,34cyclictest53-21kswapd000:20:340
3160042996555,7cyclictest3179418-21kworker/u4:4+events_unbound20:23:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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