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2025-11-09 - 17:32
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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 rack7slot3.osadl.org (updated Sun Nov 09, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118012220815sleep11799-21fgrep07:02:420
1236099267202cyclictest27984-21entropy10:37:480
1236099265197cyclictest15926-21latency_hist07:22:100
123609926069cyclictest19901-21ssh10:01:560
1236099256223cyclictest12304-21df_inode09:27:440
1236099255226cyclictest12202-21/usr/sbin/munin11:52:150
1236099255225cyclictest20882-21ntp_states12:29:170
1236099254227cyclictest21775-1kworker/0:2H10:30:270
123609925355cyclictest2359-21rsyslogd11:22:420
1236099253227cyclictest17547-21ssh12:14:410
1236099252227cyclictest27920-21ps08:13:450
123609925177cyclictest12101-21cpu09:27:050
1236099251224cyclictest5258-21/usr/sbin/munin08:57:040
1236099251222cyclictest19456-21if_err_eth012:23:150
1236099250223cyclictest3063-21sort08:47:060
1236099250219cyclictest2357-21rs:main0
123609924968cyclictest13330-21chrt07:10:070
123609924949cyclictest968-21latency_hist11:02:170
1236099249218cyclictest542-21munin-run08:36:590
123609924872cyclictest19023-21munin-run12:21:590
123609924849cyclictest24338-21latency_hist10:22:200
1236099248221cyclictest30261-21grep10:47:510
1236099248221cyclictest2938-21runrttasks10:08:160
1236099248220cyclictest20756-21cat07:42:420
1236099248185cyclictest6560-21cat09:02:090
1236099247219cyclictest13788-21ssh11:58:200
1236099247188cyclictest20420-21kernelversion10:03:320
1236099247177cyclictest7660-21ssh09:07:150
123609924674cyclictest19563-21perl07:37:390
1236099246221cyclictest2450-21if_err_eth011:08:220
1236099246220cyclictest3765-21uname11:13:400
1236099246216cyclictest12966-21kworker/0:207:47:180
123609924576cyclictest25602-21df10:27:290
123609924553cyclictest22015-21ntp_states12:34:260
123609924547cyclictest15034-21ntp_states09:39:090
1236099245219cyclictest22405-21grep10:12:520
1236099245217cyclictest17639-21ssh09:51:490
1236099245214cyclictest21775-1kworker/0:2H10:47:010
1236099244218cyclictest11065-21latency_hist11:47:220
1236099244217cyclictest21775-1kworker/0:2H09:33:280
1236099244216cyclictest22657-21latency_hist07:52:160
1236099244213cyclictest31875-21latency_hist08:32:010
123609924375cyclictest8837-21ssh11:37:040
123609924372cyclictest1692-21latency_hist08:42:230
123609924353cyclictest2720-21lxpanel12:08:390
123609924351cyclictest32200-21munin-run10:56:550
1236099243215cyclictest17098-21df07:27:190
1236099243215cyclictest16340-21ssh09:45:360
123609924264cyclictest10070-21df11:42:300
1236099242218cyclictest29107-21sshd11:32:200
1236099242215cyclictest8138-21ssh09:08:490
1236099242215cyclictest13914-21wc07:12:540
123609924171cyclictest14801-21uniq12:02:560
1236099241217cyclictest24311-21memory07:58:030
1236099241215cyclictest27115-21munin-node0
1236099241214cyclictest9133-21perl09:13:060
123609924072cyclictest3159-21sh08:47:190
123609924071cyclictest12952-21ssh11:54:160
123609924049cyclictest4368-21munin-node0
1236099240212cyclictest1610-21chrt11:04:220
1236099240208cyclictest19376-21latency_hist07:37:130
123609923951cyclictest26586-21munin-node0
1236099239215cyclictest28954-21ifplugd08:06:350
1236099239211cyclictest11112-21ssh09:22:340
1236099239210cyclictest17040-21cpuspeed07:27:070
1236099236173cyclictest30096-21runrttasks08:23:020
123609923568cyclictest29738-21df08:22:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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