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2026-04-25 - 13:40
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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 Sat Apr 25, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
567999264238cyclictest8964-21irqstats23:52:520
567999262235cyclictest20083-21latency_hist22:26:580
567999256209cyclictest2834-21snmpd23:11:220
567999252222cyclictest26012-21cpu20:36:280
567999251222cyclictest26942-21chrt20:39:000
567999248217cyclictest23647-21ssh22:41:280
567999247215cyclictest1555-21if_eth023:22:520
567999247185cyclictest9967-21ssh21:46:220
567999245223cyclictest5669-21cyclictest23:33:340
567999245217cyclictest2953-21runrttasks19:31:520
567999244217cyclictest14625-21awk00:17:190
567999244216cyclictest8063-21ssh21:38:020
567999243214cyclictest32751-21diskmemload22:30:390
567999242216cyclictest2719-21apt21:16:270
567999242215cyclictest3002-21latency23:28:100
567999242212cyclictest29443-21ps23:03:390
567999242171cyclictest32538-21date23:17:090
567999241215cyclictest16003-21ssh00:22:390
567999241210cyclictest6679-21tune2fs21:32:280
567999241208cyclictest12649-21ssh00:08:120
567999241194cyclictest16041-21grep19:51:560
567999241175cyclictest28396-21ssh22:59:260
567999241173cyclictest6687-21memory23:43:240
567999240216cyclictest15520-21sh22:07:570
567999240212cyclictest14576-21ssh00:17:130
567999240209cyclictest26381-21ssh22:52:090
567999240206cyclictest1683-21chrt21:12:100
567999240176cyclictest13591-21latency_hist19:41:310
567999239210cyclictest17885-21if_err_eth022:17:460
567999239210cyclictest12126-21ssh00:06:370
567999239172cyclictest6897-21ping19:11:400
567999238212cyclictest13309-21runrttasks21:58:470
567999238207cyclictest5776-21chrt19:06:360
567999238175cyclictest514-21ssh21:07:160
567999238173cyclictest4391-21munin-node0
567999238173cyclictest1225-21df23:21:580
567999238172cyclictest22860-21tune2fs20:21:570
567999238170cyclictest7275-21munin-node0
567999238169cyclictest6447-21df21:31:510
567999237214cyclictest10872-21cron00:01:170
567999237213cyclictest8728-21grep19:18:020
567999237212cyclictest26926-21ssh22:53:390
567999237211cyclictest5271-21perl23:37:360
567999237211cyclictest31339-21unixbench_singl20:58:030
567999237207cyclictest2834-21snmpd21:18:130
567999236210cyclictest2726-21lxpanel19:57:580
567999236209cyclictest24126-21ssh22:42:500
567999236209cyclictest17397-21cron22:16:170
567999236208cyclictest15288-21sshd19:47:420
567999236207cyclictest24258-21modprobe20:27:350
567999236177cyclictest21580-21chrt22:32:440
567999235207cyclictest2726-21lxpanel20:02:400
567999235206cyclictest10154-21/usr/sbin/munin19:26:270
567999235203cyclictest11622-21ssh21:52:370
567999235168cyclictest10470-21irqstats21:47:560
567999234208cyclictest28576-21idleruntime20:47:090
567999234207cyclictest17547-21rm00:29:540
567999234207cyclictest14430-21sh22:03:280
567999234203cyclictest19582-21interrupts20:07:110
567999233206cyclictest29767-21irqstats20:52:170
567999233206cyclictest11384-21df19:31:400
567999233202cyclictest28405-21df20:46:430
567999233165cyclictest2953-21runrttasks20:19:220
567999233165cyclictest18139-21munin-node0
567999232207cyclictest14515-21runrttasks19:44:170
567999229204cyclictest21588-21df20:16:460
567999228203cyclictest6757-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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