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2026-05-27 - 20:45
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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 Wed May 27, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502220,0irq/46-4a1000009136-1kworker/u3:207:02:080
18782999360,0cyclictest0-21swapper11:09:050
18782999259,0cyclictest0-21swapper08:34:330
18782999159,0cyclictest0-21swapper08:19:210
18782999159,0cyclictest0-21swapper07:04:440
18782999156,0cyclictest0-21swapper07:34:320
18782999057,0cyclictest0-21swapper07:19:190
18782999056,0cyclictest0-21swapper11:59:130
18782999056,0cyclictest0-21swapper08:39:240
18782998957,0cyclictest0-21swapper09:39:160
18782998957,0cyclictest0-21swapper08:49:340
18782998957,0cyclictest0-21swapper07:24:520
18782998956,0cyclictest0-21swapper11:29:290
18782998955,0cyclictest0-21swapper07:29:340
18782998855,0cyclictest0-21swapper07:09:320
18782998854,0cyclictest0-21swapper09:19:270
18782998853,0cyclictest0-21swapper07:14:250
18782998763,0cyclictest0-21swapper12:14:120
18782998756,0cyclictest0-21swapper07:49:510
18782998755,0cyclictest0-21swapper10:29:290
18782998755,0cyclictest0-21swapper09:49:460
18782998755,0cyclictest0-21swapper08:59:500
18782998755,0cyclictest0-21swapper08:44:170
18782998752,0cyclictest0-21swapper08:14:420
7450860,0irq/46-4a10000031489-21aten_r4power_cu10:49:010
18782998663,0cyclictest0-21swapper09:24:440
18782998655,0cyclictest0-21swapper07:59:480
18782998654,0cyclictest0-21swapper09:54:380
18782998654,0cyclictest0-21swapper09:14:480
18782998653,0cyclictest0-21swapper10:59:280
18782998653,0cyclictest0-21swapper08:04:250
18782998565,0cyclictest0-21swapper11:39:480
18782998554,0cyclictest0-21swapper09:34:400
7450840,0irq/46-4a100000460-21snmpd10:14:260
7350840,0irq/45-4a10000012015-21unixbench_singl11:24:490
18782998452,0cyclictest0-21swapper08:54:150
18782998452,0cyclictest0-21swapper07:44:460
7450830,0irq/46-4a1000002302-21munin-run12:33:520
7350830,0irq/45-4a1000005708-21munin-run09:33:530
7350830,0irq/45-4a10000031773-21runrttasks12:24:120
7350830,0irq/45-4a10000016489-21seq08:29:210
271152830,0sleep026018-1kworker/u3:110:34:440
18782998352,0cyclictest0-21swapper08:24:290
18782998350,0cyclictest0-21swapper10:24:440
18782998350,0cyclictest0-21swapper10:04:270
7450820,0irq/46-4a1000004393-21df11:04:100
7450820,0irq/46-4a10000030437-21seq12:19:380
7450820,0irq/46-4a10000027932-21ls12:13:520
7350820,0irq/45-4a10000029219-21chrt09:05:450
7350820,0irq/45-4a10000010842-21sendmail-msp08:13:520
327652820,0sleep032569-1kworker/u3:207:41:460
18782998258,0cyclictest0-21swapper10:19:360
7450810,0irq/46-4a1000009875-21seq11:19:350
7450810,0irq/46-4a10000031325-21latency_hist09:13:520
7450810,0irq/46-4a10000018827-21sed11:44:490
7450810,0irq/46-4a10000015211-21awk09:59:450
7450810,0irq/46-4a10000014843-21runrttasks11:34:220
7350810,0irq/45-4a10000025871-21sshd12:06:120
7350810,0irq/45-4a1000001075-21fschecks_count10:54:180
18782998150,0cyclictest0-21swapper07:54:250
18782998148,0cyclictest0-21swapper09:44:430
7450800,0irq/46-4a1000008018-21seq11:14:240
7450800,0irq/46-4a10000022853-21runrttasks11:58:540
7450790,0irq/46-4a100000460-21snmpd10:09:230
7450790,0irq/46-4a10000029485-1kworker/u3:110:44:300
7450780,0irq/46-4a10000029241-21chrt10:40:440
7450780,0irq/46-4a10000018987-1kworker/u3:011:49:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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