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2026-05-02 - 08:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 792 highest latencies:
System rack7slot8.osadl.org (updated Fri May 01, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
586825970,11sleep05867-21cut07:05:140
69489915777,25cyclictest206542sleep012:18:160
69489915669,46cyclictest17550-21cpuspeed07:50:130
69489914763,64cyclictest29602-21chrt10:46:030
69489914472,34cyclictest21316-21df_inode08:05:180
69489914469,36cyclictest22552-21memory12:25:290
69489914464,39cyclictest14758-21sshd09:46:540
69489914369,37cyclictest754-21systemd-journal07:12:500
69489914358,42cyclictest8531-21apt-get09:27:100
69489914271,36cyclictest6919-21seq11:25:400
69489914267,33cyclictest2010-21node10:50:260
69489914266,37cyclictest9411-21apt-get07:22:120
69489914170,49cyclictest754-21systemd-journal09:00:010
69489914166,37cyclictest7635-21apt-get11:32:110
69489914063,33cyclictest6188-21wget09:15:140
69489913970,51cyclictest2689-21awk09:00:300
69489913970,49cyclictest13068-21sshd09:40:310
69489913966,38cyclictest10505-21munin-run11:40:020
69489913964,56cyclictest25212-21/usr/sbin/munin10:30:270
69489913879,19cyclictest27543-21/usr/sbin/munin08:30:160
69489913862,39cyclictest25219-21wget12:35:190
69489913771,48cyclictest11552-21sshd07:25:360
69489913768,48cyclictest1-21systemd08:10:120
69489913767,52cyclictest24132-21/usr/sbin/munin12:30:270
69489913766,53cyclictest16368-21sshd12:01:570
69489913766,35cyclictest11392-21latency_hist09:35:020
69489913762,35cyclictest3219-21processes11:10:430
69489913673,22cyclictest1693-21df11:05:170
69489913570,23cyclictest3887-21fw_forwarded_lo09:05:260
69489913569,46cyclictest26910-21seq10:35:430
69489913565,50cyclictest32319-21/usr/sbin/munin08:50:190
69489913561,36cyclictest1305-21snmpd11:51:550
69489913469,45cyclictest754-21systemd-journal07:20:000
69489913467,48cyclictest5139-21munin-run11:20:020
69489913466,34cyclictest16672-21seq09:55:160
69489913465,50cyclictest1285-21lldpd10:17:400
69489913464,53cyclictest754-21systemd-journal07:40:000
69489913464,33cyclictest1305-21snmpd08:16:050
69489913463,31cyclictest19349-21ntpq10:05:370
69489913363,34cyclictest15483-21munin-run12:00:030
69489913263,50cyclictest7465-21wget09:20:130
69489913259,53cyclictest24987-21wget08:20:150
69489913165,47cyclictest11896-21wget11:45:100
69489913163,17cyclictest32001-21swap10:55:430
69489913160,37cyclictest28011-21irqstats10:40:310
69489913159,37cyclictest5649-21ntp_states11:20:390
69489913062,47cyclictest14932-21wget07:40:130
69489912980,38cyclictest801-21dbus-daemon10:15:010
69489912974,38cyclictest12491-21wget07:30:140
69489912966,20cyclictest28970-21ntp_states08:35:370
69489912964,45cyclictest1305-21snmpd08:00:130
69489912959,34cyclictest15483-21fw_forwarded_lo09:50:260
69489912958,34cyclictest21766-21sshd12:21:570
69489912881,35cyclictest23975-21/usr/sbin/munin10:25:520
69489912761,30cyclictest10662-21wget11:40:120
69489912666,42cyclictest30077-21/usr/sbin/munin08:40:230
69489912662,50cyclictest1305-21snmpd10:01:300
69489912658,35cyclictest31202-21chrt08:45:140
69489912657,34cyclictest18676-21wget07:55:110
69489912575,37cyclictest382-21/usr/sbin/munin11:00:140
69489912567,45cyclictest16405-21if_eth007:45:290
69489912558,35cyclictest18835-21sshd12:11:380
69489912474,38cyclictest11805-21sshd09:35:300
69489912464,20cyclictest23715-21seq10:23:510
69489912377,36cyclictest16874-21aten_r7power_cu12:05:090
69489912276,35cyclictest5094-21diskstats09:10:190
69489912067,40cyclictest26108-21/usr/sbin/munin08:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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