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2026-01-05 - 08:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Mon Jan 05, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151610,0ktimers/0317011sleep19:04:160
1514680,0ktimers/0276781sleep23:49:580
530504500,0irq/11-sym53c8x130450irq/15-NE200000:08:550
530504340,0irq/11-sym53c8x130450irq/15-NE200023:29:190
1514300,0ktimers/0101981sleep22:25:390
1513960,0ktimers/0189011sleep20:35:330
3253099360235,0cyclictest17064-21cron20:28:440
1513400,0ktimers/0219161sleep20:50:070
1513380,0ktimers/015821sleep00:19:400
530503330,0irq/11-sym53c8x130450irq/15-NE200022:50:150
1513300,0ktimers/0253121sleep23:38:450
1513260,0ktimers/033381sleep00:26:500
3253099321220,0cyclictest20090-21chrt20:40:460
3253099313229,0cyclictest12518-21sendmail-mta22:37:470
3253099313135,0cyclictest23149-21basename23:28:440
3253099308156,0cyclictest5340-21tr22:04:410
3253099307191,0cyclictest5621-21cron00:38:420
3253099306160,0cyclictest13904-21chrt22:44:160
3253099301154,0cyclictest18797-21http23:08:490
3253099300195,0cyclictest14561-21chrt20:15:290
3253099300191,0cyclictest7379-21apt-get22:14:230
27100130059,0sleep151ktimers/023:47:190
3253099299189,0cyclictest3967-21wc21:58:540
3253099298197,0cyclictest3549-21munin-node00:28:550
3253099297210,0cyclictest28948-21apt-get21:24:190
3253099296195,0cyclictest31533-21munin-run00:08:440
3253099293184,0cyclictest15651-21munin-node20:20:310
1304502920,0irq/15-NE200053050irq/11-sym53c8xx22:21:510
1638129058,0sleep151ktimers/021:47:400
1512900,0ktimers/0115591sleep20:02:270
3253099288193,0cyclictest4019-21chrt21:59:000
3253099288157,0cyclictest6927-21cat19:40:250
3253099288154,0cyclictest1629-21nscd19:23:500
3253099288135,0cyclictest8610-21ntpq19:49:200
3253099285185,0cyclictest21561-21grep23:20:100
3253099285183,0cyclictest32757-21sshd19:09:190
3253099285157,0cyclictest10033-21awk19:55:070
3253099285153,0cyclictest1629-21nscd20:04:050
3253099285144,0cyclictest18999-21mailstats23:09:140
325309928487,0cyclictest32198-21ntp_states21:39:150
3253099284119,0cyclictest16699-21date22:58:560
3253099283209,0cyclictest1746-21ntpd21:49:190
3253099283185,0cyclictest0-21swapper20:44:520
3253099282156,0cyclictest28059-21chrt21:19:520
3253099281170,0cyclictest32038-21ls21:38:540
3253099280196,0cyclictest12798-21wc20:08:520
3253099280149,0cyclictest28979-21sort23:55:210
3253099278172,0cyclictest6177-21munin-node22:10:230
3253099277175,0cyclictest16262-21ls22:55:290
3253099277160,0cyclictest25697-21apt-get21:09:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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