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2026-03-26 - 21:34
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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 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Mar 26, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152240,0ktimers/0152911sleep07:11:590
1514650,0ktimers/0280961sleep11:20:450
525504510,0irq/11-sym53c8x130250irq/15-NE200008:46:070
525504380,0irq/11-sym53c8x130250irq/15-NE200008:08:330
1514250,0ktimers/0263231sleep11:10:160
1514180,0ktimers/0223191sleep10:43:470
525504030,0irq/11-sym53c8x130250irq/15-NE200012:07:200
525503970,0irq/11-sym53c8x130250irq/15-NE200007:20:310
525503960,0irq/11-sym53c8x130250irq/15-NE200011:18:470
1513960,0ktimers/0295501sleep11:33:030
1541499393191,0cyclictest15267-21ssh09:58:330
1541499392183,0cyclictest3358-21date12:13:570
525503890,0irq/11-sym53c8x130250irq/15-NE200007:34:380
1541499379187,0cyclictest16163-21chrt10:04:330
1302503780,0irq/15-NE200052550irq/11-sym53c8xx07:38:530
1541499375183,0cyclictest13563-21ssh09:48:560
1513720,0ktimers/0327291sleep08:34:390
1513690,0ktimers/0203691sleep10:30:320
1541499360169,0cyclictest18385-21sendmail_mailtr10:18:490
1541499359173,0cyclictest25955-21ssh11:08:410
1541499356192,0cyclictest34-1kworker/0:1H+kblockd12:44:030
1541499353161,0cyclictest19138-21chrt07:30:280
1541499352137,0cyclictest21068-21ssh10:35:330
1302503490,0irq/15-NE200052550irq/11-sym53c8xx11:48:510
1541499346168,0cyclictest4292-21munin-node08:54:000
1541499345196,0cyclictest3460-21snmpd07:48:510
1541499344162,0cyclictest23074-21nfs_client07:49:560
1541499344138,0cyclictest23345-21ssh10:50:210
1541499342162,0cyclictest5505-21ntpq08:59:050
1541499342143,0cyclictest6759-21df_inode09:04:390
1541499340132,0cyclictest8858-21sh09:15:330
1541499338176,0cyclictest10705-21awk09:28:350
1541499334178,0cyclictest24719-21cron07:58:440
1541499334157,0cyclictest25385-21ls11:03:490
1541499333189,0cyclictest3271-21ssh12:13:430
1541499333151,0cyclictest7965-21nfs_client09:09:490
1541499332182,0cyclictest3460-21snmpd07:17:470
1541499332163,0cyclictest18247-21idleruntime-cro07:28:330
1541499331186,0cyclictest15924-21ls10:03:460
1541499330159,0cyclictest1261-21df_inode12:00:170
1541499329136,0cyclictest9690-21iostat09:20:290
1541499329126,0cyclictest5004-21ssh12:27:290
1541499328208,0cyclictest12249-21latency_hist09:38:410
1541499328176,0cyclictest28994-21latency_hist11:28:490
1541499328156,0cyclictest3841-21latency08:50:130
1541499327144,0cyclictest32319-21wc08:33:370
1541499326182,0cyclictest30015-21wget11:35:100
1541499326154,0cyclictest1875-21chrt08:41:210
1541499324198,0cyclictest17721-21chrt10:13:410
1541499324125,0cyclictest31571-21ssh11:46:570
1541499323150,0cyclictest6178-21chrt12:37:050
1541499323149,0cyclictest24447-21which07:55:240
1541499322155,0cyclictest29054-21munin-plugin-st08:18:330
1541499322154,0cyclictest854-21ssh11:58:450
1541499321199,0cyclictest30355-21runrttasks08:24:030
1541499321146,0cyclictest30766-21chrt11:40:010
1541499321145,0cyclictest5710-21ssh12:33:290
1541499320168,0cyclictest29826-21missed_timers08:20:160
1541499320141,0cyclictest13506-21latency_hist09:48:450
1541499319149,0cyclictest27406-21grep08:10:000
1541499317144,0cyclictest17931-21chrt10:14:450
1541499317143,0cyclictest22543-21ssh10:44:580
1541499316150,0cyclictest12359-21mailstats09:38:570
1541499316149,0cyclictest19838-21cron10:28:330
1541499316145,0cyclictest11169-21chrt09:32:090
1541499314145,0cyclictest24356-21ssh10:55:330
1541499313145,0cyclictest4415-21ssh12:22:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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