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2026-07-04 - 22:44
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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 Sat Jul 04, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13996239019sleep13995-21awk07:03:390
1486999276248cyclictest20898-21runrttasks09:54:150
1486999267240cyclictest27638-21latency_hist08:03:390
1486999267118cyclictest21271-21ssh12:17:570
1486999265117cyclictest16054-21cpu07:13:300
1486999264243cyclictest8842sleep10:48:290
1486999264134cyclictest10053-1diskmemload12:10:000
1486999263136cyclictest23641-21cpu12:28:290
1486999263116cyclictest24704-21irqstats10:10:010
1486999261108cyclictest22214-21ssh09:59:350
1486999260127cyclictest9367-21if_eth011:24:440
1486999259126cyclictest24270-21netwatch10:08:340
148699925694cyclictest12489-21netwatch11:39:000
1486999256128cyclictest14864-21cyclictest08:15:530
1486999256107cyclictest3582-1kworker/0:1H09:32:080
1486999256107cyclictest3582-1kworker/0:1H09:09:200
1486999254122cyclictest27012-21ssh10:20:070
1486999253129cyclictest14925-21df_inode09:29:010
1486999253115cyclictest28377-21ssh10:25:440
1486999252115cyclictest7373-21munin-node0
1486999251114cyclictest6562-21ssh11:12:440
1486999251101cyclictest18387-21perl12:04:410
148699925087cyclictest4115-21diskmemload11:01:270
148699925086cyclictest26097-21vmstat07:55:310
1486999249126cyclictest20452-21ssh09:52:120
1486999249115cyclictest3767-21munin-node0
1486999249111cyclictest5668-21ssh11:08:540
148699924885cyclictest1191-21latency08:29:220
1486999248111cyclictest2455-21ssh10:54:440
1486999247121cyclictest1591-21ntp_states10:50:480
1486999247117cyclictest8645-21unixbench_singl09:00:330
1486999247117cyclictest17191-21cpuspeed09:38:350
148699924676cyclictest25987-21df12:38:390
1486999246121cyclictest29877-21runrttasks10:33:070
148699924576cyclictest32273-21cpu10:43:350
1486999245114cyclictest13957-21rm11:45:000
1486999244118cyclictest29237-21sshd08:09:580
1486999244116cyclictest2869-21snmpd09:05:300
1486999243118cyclictest20039-21ntpq07:29:470
1486999243110cyclictest30653-21ssh10:35:440
1486999243109cyclictest2642-21munin-node11:57:350
1486999243106cyclictest2827-21sendmail-mta08:35:210
148699924273cyclictest13441-21chrt11:43:170
148699924267cyclictest24378-21if_err_eth007:49:050
1486999242118cyclictest18415-21sed07:23:330
1486999242113cyclictest17124-21munin-node0
1486999241121cyclictest10524-21ssh11:29:490
1486999241116cyclictest3582-1kworker/0:1H09:46:590
1486999241112cyclictest18100-21chrt12:03:500
1486999241111cyclictest3582-1kworker/0:1H09:21:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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