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2026-04-29 - 14:14
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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 the 50 highest latencies:
System rack4slot2.osadl.org (updated Wed Apr 29, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502160,0irq/45-4a1000001187-21kworker/0:407:04:440
7450930,0irq/46-4a10000017062-21cstates12:30:120
2469999373,0cyclictest0-21swapper10:31:000
2469999248,0cyclictest0-21swapper11:40:310
1048529212,0sleep010486-21fw_forwarded_lo12:10:300
7450910,0irq/46-4a10000013743-21diskstats07:35:200
2469999171,0cyclictest0-21swapper08:00:490
2469999159,0cyclictest0-21swapper08:35:520
2469999069,0cyclictest0-21swapper12:00:500
2469999059,0cyclictest0-21swapper08:20:490
2469999057,0cyclictest0-21swapper07:30:300
2469999056,0cyclictest0-21swapper07:50:370
2469998958,0cyclictest0-21swapper10:10:450
2469998957,0cyclictest0-21swapper07:40:310
2469998956,0cyclictest0-21swapper12:25:430
2469998956,0cyclictest0-21swapper07:45:080
2469998955,0cyclictest0-21swapper10:20:550
7450880,0irq/46-4a10000027928-21sendmail_mailqu08:15:490
2469998867,0cyclictest0-21swapper09:55:350
2469998857,0cyclictest0-21swapper08:40:310
2469998856,0cyclictest0-21swapper08:55:360
2469998855,0cyclictest0-21swapper11:55:300
2469998855,0cyclictest0-21swapper09:30:490
7450870,0irq/46-4a1000008171-21cron10:29:570
2469998755,0cyclictest0-21swapper09:50:320
2469998754,0cyclictest0-21swapper07:05:310
7450860,0irq/46-4a1000005073-21/usr/sbin/munin07:10:310
7450860,0irq/46-4a10000024857-21seq09:41:340
7450860,0irq/46-4a10000024093-21grep11:15:230
2469998654,0cyclictest0-21swapper07:20:470
2469998653,0cyclictest0-21swapper07:55:520
2469998652,0cyclictest0-21swapper08:10:320
2469998650,0cyclictest0-21swapper10:35:220
7450850,0irq/46-4a1000007905-21chrt07:17:480
7450850,0irq/46-4a10000022834-21grep09:35:510
7450850,0irq/46-4a100000196792sleep009:26:150
7450850,0irq/46-4a10000017450-21latency09:20:380
2469998565,0cyclictest0-21swapper09:00:500
2469998554,0cyclictest0-21swapper11:10:280
2469998554,0cyclictest0-21swapper10:05:550
7450840,0irq/46-4a100000987-21runrttasks08:32:110
7450840,0irq/46-4a1000004673-21runrttasks10:19:090
7450840,0irq/46-4a10000017524-21ntpdc10:55:420
2469998463,0cyclictest0-21swapper09:45:460
2469998462,0cyclictest0-21swapper10:50:230
2469998453,0cyclictest0-21swapper10:40:430
2469998449,0cyclictest0-21swapper08:05:400
7450830,0irq/46-4a10000030422-1kworker/u3:211:39:020
7450830,0irq/46-4a1000002599-21seq11:46:120
257272838,0sleep025728-21diskstats11:20:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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