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2026-03-22 - 20:52
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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 Sun Mar 22, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502480,0irq/46-4a10000018195-1kworker/u3:007:03:350
202239910787,0cyclictest12691-21df_inode11:26:470
202239910781,0cyclictest28502-21/usr/sbin/munin07:27:160
202239910684,0cyclictest4020-21cpu11:01:410
202239910682,0cyclictest16125-21diskstats11:36:480
202239910676,0cyclictest20799-21modprobe11:51:260
202239910579,0cyclictest23968-1kworker/u3:207:23:000
202239910574,0cyclictest24521-21/usr/sbin/munin07:16:390
202239910573,0cyclictest2611-21fw_packets09:21:580
202239910482,0cyclictest31516-21diskstats12:21:510
202239910482,0cyclictest24813-21fw_conntrack12:01:560
202239910481,0cyclictest21397-21users07:07:260
202239910481,0cyclictest12689-21diskstats09:51:490
202239910383,0cyclictest27779-21/usr/sbin/munin09:02:310
202239910381,0cyclictest29803-21diskstats12:16:480
202239910381,0cyclictest28220-21fw_conntrack12:11:570
202239910381,0cyclictest22224-21diskstats07:11:380
202239910380,0cyclictest30129-21ntpdc09:07:120
202239910378,0cyclictest31715-21irqstats10:47:050
202239910378,0cyclictest23709-21users08:47:280
202239910281,0cyclictest2748-21meminfo12:32:090
202239910281,0cyclictest26524-21fw_forwarded_lo08:56:580
202239910281,0cyclictest24658-21diskstats08:51:510
202239910280,0cyclictest9298-21/usr/sbin/munin11:16:490
202239910279,0cyclictest7571-21diskstats08:01:490
202239910279,0cyclictest29951-21fw_conntrack10:42:020
202239910279,0cyclictest2636-21if_err_eth010:56:590
202239910277,0cyclictest1836-21sshd07:45:090
202239910275,0cyclictest22964-21diskstats11:56:500
202239910274,0cyclictest19133-21latency_hist10:11:280
202239910274,0cyclictest12227-1kworker/u3:110:06:100
202239910272,0cyclictest5660-21aten_r4power_vo07:56:390
202239910270,0cyclictest24243-21modprobe10:26:260
202239910269,0cyclictest436-21/usr/sbin/munin09:16:340
202239910182,0cyclictest10988-21diskstats09:46:500
202239910181,0cyclictest7469-21df11:11:420
202239910181,0cyclictest18590-21/usr/sbin/munin11:42:240
202239910179,0cyclictest21464-21irqstats08:42:040
202239910178,0cyclictest24957-21meminfo10:27:070
202239910178,0cyclictest21462-21kernelversion11:52:030
202239910178,0cyclictest21155-21df10:16:430
202239910177,0cyclictest4435-21meminfo07:52:070
202239910177,0cyclictest32010-21sendmail_mailqu07:37:200
202239910177,0cyclictest26587-21irqstats10:32:010
202239910176,0cyclictest19505-21df_inode10:11:450
202239910174,0cyclictest9851-1kworker/u3:008:09:150
202239910171,0cyclictest28238-21fw_conntrack10:36:570
202239910170,0cyclictest12033-21seq11:24:350
202239910169,0cyclictest29675-21runrttasks07:31:400
202239910082,0cyclictest9280-21df_inode09:41:460
202239910080,0cyclictest4157-21diskstats09:26:490
202239910079,0cyclictest26362-21df_inode12:06:470
202239910079,0cyclictest18199-21ntp_offset08:32:150
202239910079,0cyclictest16399-21meminfo08:27:070
202239910079,0cyclictest14703-21meminfo09:57:050
202239910078,0cyclictest892-21fw_forwarded_lo12:26:570
202239910078,0cyclictest2733-21meminfo07:47:090
202239910072,0cyclictest19831-21runrttasks08:37:070
20223999980,0cyclictest15163-21/usr/sbin/munin11:32:240
20223999978,0cyclictest757-21fschecks_count10:51:500
20223999978,0cyclictest6228-21ntpdc11:07:140
20223999978,0cyclictest12991-21load08:17:040
20223999977,0cyclictest10970-21df_inode08:11:480
20223999879,0cyclictest8862-21munin-run09:41:260
20223999878,0cyclictest302-21munin-run09:16:270
20223999867,0cyclictest5760-21runrttasks09:31:410
20223999676,0cyclictest14136-21/usr/sbin/munin08:21:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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