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2026-07-05 - 23:43
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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 rack7slot3.osadl.org (updated Sun Jul 05, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27876243020sleep27877-21sleep07:07:500
2798399263236cyclictest18725-21diskmemload11:08:090
2798399262231cyclictest2648-21sendmail09:58:160
2798399260231cyclictest28963-21/usr/sbin/munin11:53:410
2798399257232cyclictest32453-21modprobe12:08:320
2798399257229cyclictest9172-21users08:05:250
2798399256231cyclictest2869-21snmpd09:59:330
2798399256226cyclictest7030-21sshd07:57:300
2798399256196cyclictest11521-21netwatch10:35:360
2798399255227cyclictest3582-1kworker/0:1H09:33:410
2798399255227cyclictest10710-21df08:13:410
2798399254222cyclictest30406-21ssh09:38:410
279839925386cyclictest13596-21kernelversion10:44:580
2798399253230cyclictest26312-21ssh11:40:430
2798399253226cyclictest32723-21fschecks_time12:09:220
2798399252227cyclictest24718-21fschecks_count09:14:220
2798399252221cyclictest6459-21ssh10:14:020
2798399251226cyclictest3468-21ssh12:23:290
2798399251225cyclictest31672-21cut07:23:550
2798399251223cyclictest16790-21grep10:59:200
2798399251221cyclictest25650-21sh11:38:330
2798399251220cyclictest8686-21sed10:23:520
2798399250226cyclictest2719-21lxpanel10:15:270
2798399250221cyclictest24052-21ssh11:30:540
279839924970cyclictest26063-21irqstats09:20:020
2798399249222cyclictest12780-21ssh10:41:260
279839924856cyclictest31487-21munin-run09:43:230
2798399248220cyclictest5420-21ntp_states07:49:500
2798399248220cyclictest14303-21fschecks_time08:28:550
2798399248185cyclictest13529-21processes08:25:030
279839924772cyclictest29610-21munin-node0
279839924753cyclictest6839-21munin-run12:38:410
2798399247223cyclictest21521-21ntp_states08:59:490
2798399247222cyclictest27484-21ssh11:46:030
2798399247222cyclictest1386-21rm12:14:200
2798399247221cyclictest29759-21chrt11:56:030
2798399247218cyclictest1630-21kernelversion07:34:120
2798399247216cyclictest18766-21munin-node0
2798399247215cyclictest16921-21ntpq08:39:480
279839924681cyclictest18899-21fschecks_time08:48:590
279839924678cyclictest5868-21df_inode12:33:580
2798399246222cyclictest9992-21grep10:29:230
2798399246221cyclictest406-21latency_hist09:49:070
2798399246221cyclictest22368-21df_inode11:24:070
2798399246219cyclictest9241-21ntp_states10:25:470
2798399246218cyclictest32690-21munin-node0
2798399246217cyclictest16674-21ssh10:59:000
2798399246216cyclictest4688-21df12:28:500
279839924581cyclictest3259-21sendmail_mailst07:40:120
2798399245220cyclictest20593-21runrttasks11:15:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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