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2026-04-26 - 16:49
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Sun Apr 26, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a1000006931-21seq07:02:530
1062629723,0sleep010671-21sort11:56:060
7450960,0irq/46-4a10000028749-21diskstats08:05:280
7245999359,0cyclictest0-21swapper09:41:030
7245999260,0cyclictest0-21swapper07:25:380
7245999258,0cyclictest0-21swapper11:00:390
7245999258,0cyclictest0-21swapper09:30:300
1860729210,0sleep018623-21grep10:45:340
7245999169,0cyclictest0-21swapper12:01:010
7245999158,0cyclictest0-21swapper08:11:030
7245999057,0cyclictest0-21swapper08:15:430
7350890,0irq/45-4a10000013752-21ntpdc12:05:540
7245998958,0cyclictest0-21swapper07:16:010
7245998957,0cyclictest0-21swapper11:05:560
7245998956,0cyclictest0-21swapper12:25:520
7245998956,0cyclictest0-21swapper07:11:130
7245998954,0cyclictest0-21swapper10:16:020
7245998953,0cyclictest0-21swapper09:05:400
7245998858,0cyclictest0-21swapper12:20:360
7245998856,0cyclictest0-21swapper11:10:530
7450870,0irq/46-4a100000460-21snmpd09:18:220
7245998764,0cyclictest0-21swapper08:35:470
7245998757,0cyclictest0-21swapper08:21:060
7245998756,0cyclictest0-21swapper09:50:390
7245998756,0cyclictest0-21swapper09:46:020
7245998756,0cyclictest0-21swapper09:20:290
7245998755,0cyclictest0-21swapper09:10:530
7245998755,0cyclictest0-21swapper08:55:350
7245998755,0cyclictest0-21swapper07:05:530
7245998747,0cyclictest0-21swapper07:35:310
7450860,0irq/46-4a1000005233-21ntpq08:30:540
7450860,0irq/46-4a100000460-21snmpd10:28:510
7450860,0irq/46-4a10000032523-21missed_timers11:25:500
7450860,0irq/46-4a10000018012-21sshd12:19:350
7450860,0irq/46-4a1000001684-21/usr/sbin/munin11:30:440
7245998665,0cyclictest0-21swapper07:40:440
7245998654,0cyclictest0-21swapper09:35:280
7245998654,0cyclictest0-21swapper07:30:290
7245998653,0cyclictest0-21swapper11:20:280
7245998653,0cyclictest0-21swapper08:01:040
7450850,0irq/46-4a10000017196-21ntpq10:40:540
7245998563,0cyclictest0-21swapper07:20:360
7245998555,0cyclictest0-21swapper10:10:230
7245998553,0cyclictest0-21swapper11:45:560
7245998553,0cyclictest0-21swapper10:00:300
7245998551,0cyclictest0-21swapper07:46:050
7450840,0irq/46-4a1000009309-21chrt11:53:210
7450840,0irq/46-4a1000003907-21users11:36:040
7450840,0irq/46-4a100000264842sleep007:59:070
7450840,0irq/46-4a10000022143-21chrt10:55:400
7450830,0irq/46-4a1000005853-21chrt11:42:540
7450830,0irq/46-4a10000028901-21uniq11:15:330
7450830,0irq/46-4a10000011018-1kworker/u3:108:51:050
7245998352,0cyclictest0-21swapper10:31:050
7245998350,0cyclictest0-21swapper10:21:010
7450820,0irq/46-4a10000014280-1kworker/u3:112:11:030
7450820,0irq/46-4a1000001178-21wget09:55:150
7450820,0irq/46-4a10000010355-21ntpq08:45:550
7245998252,0cyclictest0-21swapper08:26:050
7245998250,0cyclictest0-21swapper07:50:520
7450810,0irq/46-4a1000007549-1kworker/u3:108:40:330
7450810,0irq/46-4a1000003964-1kworker/u3:110:05:420
7450810,0irq/46-4a10000015025-21sed09:00:230
7450810,0irq/46-4a10000014887-21basename10:35:160
7450800,0irq/46-4a10000021274-1kworker/u3:112:30:170
7450790,0irq/46-4a10000019602-1kworker/u3:210:53:060
7245997956,0cyclictest0-21swapper09:25:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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