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2026-09-23 - 20:03
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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 all highest latencies:
System rack4slot2.osadl.org (updated Wed Sep 23, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
793928870,0sleep07561-1kworker/u3:207:09:130
80259910981,0cyclictest8428-21df_inode07:09:490
80259910976,0cyclictest6420-21/usr/sbin/munin08:39:590
80259910875,0cyclictest6229-21seq10:14:440
80259910788,0cyclictest16633-21df_inode12:19:510
80259910787,0cyclictest25229-21fschecks_time09:34:570
80259910785,0cyclictest9817-21diskstats12:00:020
80259910784,0cyclictest26859-21diskstats08:04:540
80259910686,0cyclictest13508-21meminfo09:00:150
80259910684,0cyclictest28154-21munin-run11:19:330
80259910683,0cyclictest3132-21fw_forwarded_lo11:40:110
80259910683,0cyclictest14894-21diskstats07:29:550
80259910683,0cyclictest13491-21memory07:25:130
80259910680,0cyclictest1139-21df08:24:460
80259910678,0cyclictest11724-21irqstats10:30:110
80259910584,0cyclictest31492-21sshd08:19:160
80259910584,0cyclictest25448-21meminfo08:00:140
80259910584,0cyclictest22199-21/usr/sbin/munin11:00:270
80259910583,0cyclictest4937-21meminfo08:35:100
80259910583,0cyclictest1256-21diskstats09:59:590
80259910582,0cyclictest9803-21diskstats10:24:540
80259910580,0cyclictest20780-21users07:45:290
80259910580,0cyclictest16933-21memory10:45:140
80259910579,0cyclictest31993-21diskstats08:19:560
80259910576,0cyclictest8325-21irqstats10:20:130
80259910572,0cyclictest5902-21cron10:14:290
80259910484,0cyclictest813-21munin-run09:59:330
80259910484,0cyclictest28726-21fw_forwarded_lo09:45:000
80259910484,0cyclictest11383-21df07:19:470
80259910483,0cyclictest4679-21diskstats11:44:560
80259910483,0cyclictest3367-21/usr/sbin/munin10:05:180
80259910483,0cyclictest30431-21fw_forwarded_lo09:50:040
80259910483,0cyclictest21755-21diskstats12:34:530
80259910483,0cyclictest13216-21diskstats12:09:570
80259910482,0cyclictest30299-21diskstats11:24:510
80259910482,0cyclictest20365-21memory09:20:210
80259910481,0cyclictest14910-21/usr/sbin/munin12:14:510
80259910480,0cyclictest15058-21fw_conntrack09:05:010
80259910480,0cyclictest13422-21irqstats10:35:070
80259910474,0cyclictest21788-21cut07:49:550
80259910385,0cyclictest11654-21fw_forwarded_lo12:05:000
80259910383,0cyclictest24212-21users09:30:330
80259910383,0cyclictest16616-21/usr/sbin/munin09:09:540
80259910382,0cyclictest16596-21diskstats07:34:530
80259910381,0cyclictest4223-21munin-run08:34:310
80259910381,0cyclictest26567-21/usr/sbin/munin09:40:370
80259910381,0cyclictest22172-21/usr/sbin/munin09:25:190
80259910380,0cyclictest19732-21/usr/sbin/munin10:54:400
80259910380,0cyclictest18490-21fw_conntrack12:24:590
80259910379,0cyclictest18613-21meminfo07:40:140
80259910374,0cyclictest9473-21/usr/sbin/munin08:50:290
80259910372,0cyclictest14934-21diskstats10:40:000
80259910371,0cyclictest456-21runrttasks07:55:110
80259910283,0cyclictest18323-21diskstats09:14:540
80259910282,0cyclictest2113-21sshd11:36:160
80259910282,0cyclictest19551-21sshd10:54:160
80259910281,0cyclictest28692-21fw_conntrack08:09:590
80259910281,0cyclictest25309-21fw_conntrack11:10:050
80259910281,0cyclictest23196-21/usr/sbin/munin11:04:400
80259910281,0cyclictest12248-21users08:55:310
80259910280,0cyclictest6374-21df_inode11:49:560
80259910280,0cyclictest29313-21unixbench_singl11:20:350
80259910182,0cyclictest20275-21irqstats12:30:110
80259910180,0cyclictest8225-21fw_forwarded_lo08:45:000
80259910180,0cyclictest8081-21diskstats11:54:520
80259910179,0cyclictest32219-21irqstats11:30:090
80259910178,0cyclictest10824-21runrttasks07:17:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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