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2025-07-19 - 00:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot2.osadl.org (updated Fri Jul 18, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a1000004237-21/usr/sbin/munin07:05:120
51769913458,0cyclictest0-21swapper12:30:280
5176999259,0cyclictest0-21swapper09:15:220
5176999257,0cyclictest0-21swapper07:54:560
5176999158,0cyclictest0-21swapper08:34:460
7350900,0irq/45-4a10000022749-1kworker/u3:108:09:440
5176999058,0cyclictest0-21swapper08:55:130
5176999056,0cyclictest0-21swapper07:49:470
7350890,0irq/45-4a10000024727-1kworker/u3:308:09:350
5176998958,0cyclictest0-21swapper08:30:270
5176998957,0cyclictest0-21swapper09:55:110
5176998956,0cyclictest0-21swapper08:50:040
7350880,0irq/45-4a10000032548-1kworker/u3:610:04:410
5176998857,0cyclictest0-21swapper09:00:420
5176998855,0cyclictest0-21swapper10:55:150
5176998855,0cyclictest0-21swapper10:14:540
7350870,0irq/45-4a1000009993-1kworker/u3:407:22:180
7350870,0irq/45-4a10000020-21kcompactd008:44:300
5176998755,0cyclictest0-21swapper11:55:280
5176998755,0cyclictest0-21swapper09:24:430
5176998755,0cyclictest0-21swapper07:34:440
7350860,0irq/45-4a10000026626-1kworker/u3:008:20:300
5176998665,0cyclictest0-21swapper07:44:460
5176998655,0cyclictest0-21swapper11:50:260
5176998655,0cyclictest0-21swapper11:45:250
5176998654,0cyclictest0-21swapper08:15:140
82862856,0sleep08290-21idleruntime12:00:150
7350850,0irq/45-4a10000032301-21sshd10:01:120
7350850,0irq/45-4a10000020617-21/usr/sbin/munin11:00:460
5176998555,0cyclictest0-21swapper11:42:580
5176998554,0cyclictest0-21swapper09:35:370
7350840,0irq/45-4a100000461-21runrttasks10:41:360
7450830,0irq/46-4a10000022887-21sendmail-msp07:59:380
7350830,0irq/45-4a1000006960-21runrttasks10:20:480
7350830,0irq/45-4a10000030446-21chrt11:30:050
7350830,0irq/45-4a10000024997-21cstates09:39:520
7350830,0irq/45-4a10000019746-1kworker/u3:212:35:310
7350830,0irq/45-4a10000014144-1kworker/u3:109:09:040
7350830,0irq/45-4a10000010803-1kworker/u3:012:08:030
5176998363,0cyclictest0-21swapper09:10:030
5176998351,0cyclictest0-21swapper10:30:290
5176998351,0cyclictest0-21swapper07:15:190
5176998350,0cyclictest0-21swapper11:05:260
7450820,0irq/46-4a10000032270-21kworker/u2:208:26:510
7450820,0irq/46-4a10000012758-21sendmail-msp10:39:340
7350820,0irq/45-4a10000012371-1kworker/u3:007:28:010
5176998251,0cyclictest0-21swapper11:15:280
272532820,0sleep027213-1kworker/u3:409:46:110
7450810,0irq/46-4a1000005286-21/usr/sbin/munin07:09:510
7450810,0irq/46-4a10000026663-21cut11:19:480
7350810,0irq/45-4a1000005174-21cyclictest07:44:030
5176998161,0cyclictest0-21swapper10:50:070
285972810,0chrt23610-1kworker/u3:111:24:550
151062815,0sleep015121-21fschecks_time12:20:100
7450800,0irq/46-4a1000004022-1kworker/u3:110:14:120
7450800,0irq/46-4a10000029800-21munin-run09:54:270
7450800,0irq/46-4a10000013299-21grep12:14:590
7350800,0irq/45-4a1000006002-21grep08:44:440
5176998056,0cyclictest0-21swapper11:09:590
7450790,0irq/46-4a10000032408-21ntpq11:35:260
7450790,0irq/46-4a10000016588-21cstates12:24:560
7450790,0irq/46-4a10000014363-21latency_hist07:34:300
7450790,0irq/46-4a10000011222-21runrttasks12:09:420
7450780,0irq/46-4a1000009179-21chrt10:28:290
7450780,0irq/46-4a10000021788-21grep09:30:010
7450780,0irq/46-4a10000014812-21df10:44:540
7350780,0irq/45-4a10000017924-21ls09:19:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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