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2026-05-15 - 18:49
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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 highest latencies:
System rack4slot2.osadl.org (updated Fri May 15, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502630,0irq/46-4a10000010007-1kworker/u3:007:02:390
107662947,0sleep010672-21/usr/sbin/munin08:34:330
7450930,0irq/46-4a1000006611-21/usr/sbin/munin09:55:190
7450930,0irq/46-4a1000003675-21cron08:14:190
7450930,0irq/46-4a10000031386-21df_abs11:09:380
7450930,0irq/46-4a1000002845-21open_inodes09:45:100
7450930,0irq/46-4a10000027767-21/usr/sbin/munin11:00:080
7450930,0irq/46-4a10000026551-21/usr/sbin/munin10:54:530
7450930,0irq/46-4a10000021260-21/usr/sbin/munin09:04:450
7350930,0irq/45-4a10000027176-1kworker/u3:007:49:490
7350930,0irq/45-4a10000023991-1kworker/u3:011:24:110
11668999359,0cyclictest0-21swapper08:59:350
11668999358,0cyclictest0-21swapper08:55:180
7450920,0irq/46-4a1000009766-21grep10:05:130
7450920,0irq/46-4a1000009342-21fschecks_time08:29:460
7450920,0irq/46-4a1000008826-21idleruntime-cro10:04:190
7450920,0irq/46-4a1000004447-21chrt08:15:030
7450920,0irq/46-4a1000003789-21sort09:49:240
7450920,0irq/46-4a10000030505-21grep09:30:190
7450920,0irq/46-4a10000025897-21cron10:54:190
7450920,0irq/46-4a10000024329-21latency_hist12:24:240
7450920,0irq/46-4a10000019059-21cron12:09:190
7450920,0irq/46-4a10000015784-21latency_hist11:59:240
7450920,0irq/46-4a10000013605-21chrt08:41:310
7450920,0irq/46-4a10000012152-21tune2fs07:04:460
7450920,0irq/46-4a10000010860-21cstates10:09:340
7350920,0irq/45-4a10000024076-1kworker/u3:209:16:190
7350920,0irq/45-4a10000013025-21nfs4_client11:50:070
11668999259,0cyclictest0-21swapper07:54:480
11668999258,0cyclictest0-21swapper10:14:540
7450910,0irq/46-4a1000004115-21sed11:24:390
7450910,0irq/46-4a10000030989-21chrt11:09:040
7450910,0irq/46-4a10000026055-21/usr/sbin/munin09:19:310
7450910,0irq/46-4a10000023082-21chrt10:44:510
7450910,0irq/46-4a10000022457-21sshd12:19:020
7450910,0irq/46-4a10000021387-21/usr/sbin/munin10:39:520
7450910,0irq/46-4a10000019516-21runrttasks12:09:420
7450910,0irq/46-4a10000016470-21/usr/sbin/munin07:15:080
7450910,0irq/46-4a10000014309-21df10:19:360
7450910,0irq/46-4a10000013852-21runrttasks07:09:400
7350910,0irq/45-4a10000018600-1kworker/u3:107:23:540
11668999159,0cyclictest0-21swapper08:04:510
11668999157,0cyclictest0-21swapper12:20:140
11668999156,0cyclictest0-21swapper07:35:000
7450900,0irq/46-4a1000009670-21/usr/sbin/munin11:40:080
7450900,0irq/46-4a1000007417-21cstates08:24:340
7450900,0irq/46-4a1000006787-21chrt11:31:410
7450900,0irq/46-4a1000005938-21fschecks_time08:19:470
7450900,0irq/46-4a10000028161-21fschecks_time09:24:470
7450900,0irq/46-4a10000024410-21/usr/sbin/munin07:39:320
7450900,0irq/46-4a10000023315-21ntp_offset09:10:100
7450900,0irq/46-4a10000021436-21runrttasks07:29:590
7450900,0irq/46-4a10000019418-21wc10:34:370
7450900,0irq/46-4a10000018322-21chrt10:30:140
7450900,0irq/46-4a10000017291-21runrttasks10:28:500
7450900,0irq/46-4a1000001081-21ntpq09:40:060
7450900,0irq/46-4a1000001045-21runrttasks11:15:020
7350900,0irq/45-4a10000020296-1kworker/u3:007:26:520
7450890,0irq/46-4a1000008660-21runrttasks11:37:590
7450890,0irq/46-4a10000031473-21diskstats07:59:420
7450890,0irq/46-4a10000031297-21/usr/sbin/munin09:34:320
7450890,0irq/46-4a10000027104-21users07:45:210
7450890,0irq/46-4a10000026224-21cpuspeed12:29:330
7450890,0irq/46-4a10000016124-21fschecks_count08:49:450
7450890,0irq/46-4a10000014156-21wget11:54:310
7450890,0irq/46-4a10000011222-21/usr/sbin/munin11:44:580
7450880,0irq/46-4a10000014177-21cut08:44:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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