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2025-11-30 - 17:58
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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 Nov 30, 2025 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502540,0irq/45-4a100000214092sleep007:05:120
7450950,0irq/46-4a10000017702-21df08:28:190
7450940,0irq/46-4a100000443-21snmpd10:23:500
7450940,0irq/46-4a10000027071-21timerwakeupswit08:54:010
7350940,0irq/45-4a10000019289-1kworker/u3:111:46:470
7350940,0irq/45-4a10000014898-21runrttasks09:53:560
7450930,0irq/46-4a1000003628-21munin-run07:47:570
7450930,0irq/46-4a10000012793-21sshd08:13:360
7350930,0irq/45-4a10000032563-1kworker/u3:209:14:010
7450920,0irq/46-4a1000006372-21chrt11:03:580
7450920,0irq/46-4a1000004669-21if_eth012:33:430
7450920,0irq/46-4a100000443-21snmpd09:58:280
7450920,0irq/46-4a100000443-21snmpd09:33:090
7450920,0irq/46-4a10000031921-21seq09:08:530
7450920,0irq/46-4a10000030059-21/usr/sbin/munin10:38:580
7450920,0irq/46-4a10000028254-21fw_forwarded_lo08:58:350
7450920,0irq/46-4a10000024779-21tune2fs08:48:350
7450920,0irq/46-4a10000023653-21grep08:44:570
7450920,0irq/46-4a10000018070-21df_inode11:38:330
7350920,0irq/45-4a10000028958-1kworker/u3:107:25:570
7350920,0irq/45-4a10000023346-21runrttasks11:53:370
7350920,0irq/45-4a10000021657-1kworker/u3:010:15:240
318092929,0sleep031837-21fschecks_count12:18:290
7450910,0irq/46-4a1000009435-21tune2fs09:38:300
7450910,0irq/46-4a1000009366-21fw_conntrack08:03:330
7450910,0irq/46-4a100000901-21diskstats10:48:290
7450910,0irq/46-4a1000008195-21grep07:59:020
7450910,0irq/46-4a1000005209-21chrt10:59:510
7450910,0irq/46-4a100000443-21snmpd10:08:360
7450910,0irq/46-4a10000029071-21chrt10:34:380
7450910,0irq/46-4a1000002811-21memory09:18:450
7450910,0irq/46-4a10000026331-21runrttasks12:03:130
7450910,0irq/46-4a10000024944-21/usr/sbin/munin11:58:300
7450910,0irq/46-4a10000022751-21idleruntime-cro11:52:580
7350910,0irq/45-4a10000030839-1kworker/u3:009:06:570
7450900,0irq/46-4a100000850-21if_eth007:38:410
7450900,0irq/46-4a1000006764-21runrttasks09:29:330
7450900,0irq/46-4a10000031428-21aten_r4power_po10:43:200
7450900,0irq/46-4a1000003125-21wc10:53:570
7450900,0irq/46-4a10000028479-21fw_conntrack12:08:340
7450900,0irq/46-4a10000027030-21gzip10:29:020
7450900,0irq/46-4a10000026884-21cat07:19:030
7450900,0irq/46-4a1000002602-21cpuspeed12:28:160
7450900,0irq/46-4a10000022382-21/usr/sbin/munin07:08:370
7450900,0irq/46-4a10000019207-21seq08:33:110
7450900,0irq/46-4a10000019144-21seq10:07:410
7450900,0irq/46-4a10000015263-21chrt08:19:560
7450900,0irq/46-4a10000012040-21chrt08:11:530
7450900,0irq/46-4a10000011495-21runrttasks11:18:440
7350900,0irq/45-4a10000012307-1kworker/u3:111:26:010
21787999057,0cyclictest0-21swapper08:23:520
7450890,0irq/46-4a1000005749-21df_abs07:53:230
7450890,0irq/46-4a1000004645-21runrttasks09:23:540
7450890,0irq/46-4a10000030551-21chrt07:29:530
7450890,0irq/46-4a10000022793-21aten_r4power_cu10:18:150
7450890,0irq/46-4a10000016487-21fw_forwarded_lo11:33:380
7450890,0irq/46-4a10000014781-21idleruntime11:28:370
7450890,0irq/46-4a10000012457-21/usr/sbin/munin09:48:280
21787998958,0cyclictest0-21swapper12:13:530
21787998955,0cyclictest0-21swapper11:13:090
7450880,0irq/46-4a1000007754-21df_inode11:08:300
7450880,0irq/46-4a1000004236-21fw_forwarded_lo07:48:420
7450880,0irq/46-4a10000031845-21ps07:33:560
7450880,0irq/46-4a10000021839-21/usr/sbin/munin08:38:590
7450880,0irq/46-4a1000001186-21fw_conntrack12:23:360
7450880,0irq/46-4a10000010773-21seq09:43:120
7350880,0irq/45-4a10000025437-1kworker/u3:007:17:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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