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2025-12-24 - 14:18
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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 Dec 24, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501910,0irq/46-4a10000024376-21/usr/sbin/munin07:05:410
7450980,0irq/46-4a1000008944-21runrttasks09:30:020
7450970,0irq/46-4a1000005404-21sendmail-msp09:20:180
7450960,0irq/46-4a100000963-21fw_conntrack10:40:360
7450960,0irq/46-4a1000006322-21chrt10:55:430
7450960,0irq/46-4a10000028706-21users07:16:150
7450960,0irq/46-4a10000028009-21runrttasks08:50:180
60972960,0sleep06047-1kworker/u3:012:30:220
7450950,0irq/46-4a1000009454-21meminfo07:55:360
7450950,0irq/46-4a1000004911-21runrttasks09:16:090
7450950,0irq/46-4a1000003844-21cron12:24:480
7450950,0irq/46-4a1000003816-21aten_r4power_vo07:40:090
7450950,0irq/46-4a10000024999-21ntp_states08:40:570
7450950,0irq/46-4a10000023780-21sshd08:37:100
7450940,0irq/46-4a100000974-21cut12:15:200
7450940,0irq/46-4a1000007852-21/usr/sbin/munin09:25:370
7450940,0irq/46-4a10000016775-21vmstat08:15:580
7450940,0irq/46-4a10000012676-21df11:15:120
7350940,0irq/45-4a10000017609-21/usr/sbin/munin11:31:390
7450930,0irq/46-4a100000776-21fschecks_time09:05:200
7450930,0irq/46-4a1000007694-21sed12:35:140
7450930,0irq/46-4a10000031740-21fw_forwarded_lo10:35:550
7450930,0irq/46-4a10000031001-21sendmail-msp09:00:230
7450930,0irq/46-4a10000025976-21sendmail-msp10:20:050
7450930,0irq/46-4a10000022711-21ls11:44:530
7450930,0irq/46-4a10000018560-21runrttasks08:21:160
7450930,0irq/46-4a10000012712-21fschecks_time08:05:230
7450930,0irq/46-4a10000011128-21runrttasks09:35:310
7450930,0irq/46-4a10000010610-21latency_hist11:09:520
7450920,0irq/46-4a1000006321-21cat07:45:490
7450920,0irq/46-4a1000003528-21runrttasks10:47:570
7450920,0irq/46-4a1000003524-21runrttasks07:39:390
7450920,0irq/46-4a10000030553-21/usr/sbin/munin12:05:520
7450920,0irq/46-4a10000030134-21memory10:30:400
7450920,0irq/46-4a10000029801-21fw_forwarded_lo07:20:360
7450920,0irq/46-4a10000029721-21diskstats08:55:190
7450920,0irq/46-4a10000027813-21runrttasks10:25:010
7450920,0irq/46-4a10000026460-21sed11:55:150
7450920,0irq/46-4a10000025990-21runrttasks08:45:020
7450920,0irq/46-4a10000025288-21seq07:10:000
7450920,0irq/46-4a10000024435-21/usr/sbin/munin11:50:490
7450920,0irq/46-4a10000019857-21irqstats11:35:390
7450920,0irq/46-4a10000011298-21runrttasks08:00:540
7350920,0irq/45-4a10000020439-1kworker/u3:108:29:200
25169999260,0cyclictest0-21swapper12:25:350
7450910,0irq/46-4a1000009694-21/usr/sbin/munin11:05:380
7450910,0irq/46-4a1000007089-21chrt07:49:530
7450910,0irq/46-4a100000514-21grep07:30:140
7450910,0irq/46-4a1000004590-21awk10:50:420
7450910,0irq/46-4a10000032190-21grep12:10:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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