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2026-05-03 - 10:48
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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 Sun May 03, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a1000008348-21runrttasks19:00:550
7450860,0irq/46-4a1000002775-21wget23:30:000
7350850,0irq/45-4a1000003190-21runrttasks20:20:170
75782840,0chrt6048-1kworker/u3:223:43:320
7450840,0irq/46-4a10000016290-21sendmail22:34:500
7350840,0irq/45-4a1000008247-21grep20:35:140
220042846,0sleep022006-21fw_forwarded_lo00:25:210
152292847,0sleep015231-21irqstats20:55:280
7450830,0irq/46-4a100000460-21snmpd20:32:210
7450830,0irq/46-4a100000460-21snmpd00:18:510
7450830,0irq/46-4a10000019774-21latency_hist21:09:530
7450820,0irq/46-4a10000018408-21sh19:30:110
7350820,0irq/45-4a1000006178-21aten_r4power_cu22:04:590
7350820,0irq/45-4a10000028677-21df_inode21:35:090
16252820,0sleep031492-1kworker/u3:023:25:280
7450810,0irq/46-4a1000008216-21grep22:10:160
7450810,0irq/46-4a10000024678-21seq21:23:430
7450810,0irq/46-4a10000020882-21grep00:20:490
7450810,0irq/46-4a1000001991-21runrttasks21:50:470
7450810,0irq/46-4a10000017221-21zcat21:00:430
7450810,0irq/46-4a10000016710-21runrttasks19:25:130
7450810,0irq/46-4a10000014577-21idleruntime-cro22:29:490
7450810,0irq/46-4a10000012867-21cron23:59:480
7350810,0irq/45-4a10000031770-21/usr/sbin/munin20:09:580
7350810,0irq/45-4a10000021837-21df_inode19:40:110
7350810,0irq/45-4a10000012624-21sshd20:48:020
271132810,0chrt24541-1kworker/u3:023:05:200
7450800,0irq/46-4a100000460-21snmpd22:58:190
7450800,0irq/46-4a100000460-21snmpd21:27:420
7450800,0irq/46-4a10000032367-21ls23:20:260
7450800,0irq/46-4a10000030329-21df_abs20:05:070
7450800,0irq/46-4a10000029947-21cron23:14:490
7450800,0irq/46-4a10000024823-21awk19:49:500
7450800,0irq/46-4a10000020425-21meminfo22:45:290
7450800,0irq/46-4a10000020101-21df19:35:080
7450800,0irq/46-4a10000014352-21runrttasks20:53:140
7450800,0irq/46-4a10000011653-21fschecks_count22:20:150
8863997958,0cyclictest0-21swapper19:14:590
7450790,0irq/46-4a1000009815-21df_abs22:15:080
7450790,0irq/46-4a1000009234-1kworker/u3:023:50:200
7450790,0irq/46-4a1000004654-21runrttasks20:25:070
7450790,0irq/46-4a1000003154-21tune2fs21:55:170
7450790,0irq/46-4a10000030762-21chrt21:40:370
7450790,0irq/46-4a10000030061-21latency_hist23:14:540
7450790,0irq/46-4a10000023140-21sendmail-msp22:54:510
7450790,0irq/46-4a10000018584-21fw_forwarded_lo22:40:210
7450790,0irq/46-4a10000018221-21grep21:05:020
7450790,0irq/46-4a10000011135-21cron20:44:480
7350790,0irq/45-4a10000016871-21fw_conntrack00:10:200
7450780,0irq/46-4a1000007911-1kworker/u3:219:05:420
7450780,0irq/46-4a10000031784-21/usr/sbin/munin21:45:550
7450780,0irq/46-4a10000028491-21wc20:00:030
7450780,0irq/46-4a10000026412-21sshd23:03:530
7450780,0irq/46-4a10000026123-21chrt19:51:430
7450780,0irq/46-4a10000018065-21grep22:39:520
7450780,0irq/46-4a10000017512-1kworker/u3:219:55:170
7450780,0irq/46-4a10000014707-21/usr/sbin/munin19:20:030
7450780,0irq/46-4a1000001467-21fschecks_time20:15:160
7450780,0irq/46-4a10000014593-21latency_hist00:04:490
7450780,0irq/46-4a10000011267-21tune2fs19:10:160
7450770,0irq/46-4a10000019315-1kworker/u3:221:15:110
7450770,0irq/46-4a10000013113-1kworker/u3:200:05:070
7450760,0irq/46-4a1000007875-21/usr/sbin/munin23:45:020
7450760,0irq/46-4a1000005642-21runrttasks22:01:450
7450760,0irq/46-4a1000004153-1kworker/u3:023:35:180
7450760,0irq/46-4a10000026289-1kworker/u3:021:30:390
7450760,0irq/46-4a10000024848-21munin-plugin-st00:34:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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