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2026-06-26 - 09:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Fri Jun 26, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283499962423448,2791cyclictest5-21kworker/0:019:12:060
283499948733,440cyclictest5928-21ssh00:30:230
283499947931,0cyclictest30414-21ssh00:12:390
283499947632,430cyclictest4245-21ssh22:08:460
283499947022,387cyclictest20081-21ssh21:33:360
283499946031,416cyclictest4285-21lldpd21:38:580
283499945571,202cyclictest13-21rcuc/023:22:320
283499944721,412cyclictest4305-21snmpd22:44:450
283499944714,408cyclictest13928-21ssh21:20:350
283499944226,357cyclictest8739-21kworker/u2:023:47:560
283499944221,360cyclictest25354-21munin-node21:45:190
283499943763,361cyclictest296932sleep021:54:270
283499943326,337cyclictest32328-21munin-node22:01:140
283499943261,252cyclictest13-21rcuc/022:53:230
283499943042,87cyclictest0-21swapper19:57:100
283499942929,340cyclictest8317-21ps22:16:310
283499942724,344cyclictest17052-21cut21:26:270
283499942464,347cyclictest34-1kworker/0:1H21:59:310
283499942449,362cyclictest13-21rcuc/020:46:140
283499942447,364cyclictest11-21ksoftirqd/022:30:010
283499942356,88cyclictest13-21rcuc/022:12:290
283499942037,369cyclictest2487-21ssh23:14:160
283499941335,0cyclictest3231-21df20:55:170
283499941236,315cyclictest19364-21munin-node23:50:480
283499941223,328cyclictest22457-21idleruntime-cro20:20:020
283499941158,339cyclictest8680-21diskmemload00:36:440
283499940938,358cyclictest11879-21df_abs19:50:300
283499940934,314cyclictest32710-21awk19:20:170
283499940449,170cyclictest27477-21seq22:57:310
283499940332,371cyclictest0-21swapper20:08:560
283499940324,309cyclictest26527-21ntp_states00:05:220
283499940032,307cyclictest26533-21expr20:30:230
283499940027,303cyclictest9965-21munin-node23:30:100
283499939931,88cyclictest13-21rcuc/020:11:270
283499939926,199cyclictest3345-21ssh00:25:130
283499939853,284cyclictest22903-21ntpq20:20:240
283499939836,187cyclictest23667-21ssh23:58:570
283499939819,319cyclictest13232-21sh21:19:270
283499939635,87cyclictest0-21swapper20:52:380
283499939520,305cyclictest16954-21df_abs22:35:400
283499939334,300cyclictest0-21swapper20:42:160
283499939131,345cyclictest9032-21tr23:26:410
283499939020,356cyclictest4924-21runrttasks19:40:150
283499938934,341cyclictest23358-21ssh22:49:570
283499938835,293cyclictest15380-21switchtime23:40:480
283499938832,294cyclictest10140-21grep19:45:310
283499938772,301cyclictest32276-21ssh00:16:240
283499938732,341cyclictest25226-21hddtemp_smartct00:01:260
283499938726,298cyclictest5340-21tail21:00:220
283499938632,340cyclictest14863-21ssh22:30:530
283499938624,302cyclictest2924-21ssh23:15:210
283499938434,290cyclictest7318-21seq19:37:520
283499938235,287cyclictest30309-21munin-node19:15:180
283499938031,289cyclictest4224-21lldpd23:06:110
283499938031,289cyclictest11581-21sshd22:24:540
283499937954,144cyclictest9381-21ssh21:10:440
283499937931,287cyclictest16741-21sshd20:03:540
283499937926,339cyclictest3231-21fschecks_count19:26:070
283499937632,344cyclictest0-21swapper00:22:520
283499937629,288cyclictest22911-21munin-node21:41:180
283499937628,288cyclictest29224-21cat23:01:090
283499937526,289cyclictest7817-21sort21:05:500
283499937334,147cyclictest13622-21cstates23:36:340
283499937227,171cyclictest28160-21mailstats20:35:130
283499936717,290cyclictest24427-21munin-node20:25:470
283499935533,261cyclictest5812-21runrttasks19:35:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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