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2026-04-06 - 22:46
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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 Mon Apr 06, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154580,0ktimers/0119001sleep07:10:000
1514750,0ktimers/0174591sleep10:30:360
1514720,0ktimers/0126121sleep07:15:040
1514710,0ktimers/0315881sleep08:45:280
1514710,0ktimers/0278211sleep11:35:370
1514680,0ktimers/020561sleep08:59:480
1514650,0ktimers/0297241sleep08:35:540
1514650,0ktimers/0291661sleep11:42:530
1514620,0ktimers/0141721sleep07:24:310
1514600,0ktimers/0194081sleep10:43:070
1514590,0ktimers/066481sleep09:25:070
122289945677,0cyclictest25316-21latency_hist11:19:300
1514530,0ktimers/0322301sleep08:49:180
1514530,0ktimers/0126931sleep10:00:110
1514470,0ktimers/0272001sleep11:31:290
1514450,0ktimers/0208701sleep07:55:130
1514440,0ktimers/0272121sleep08:25:240
122289944135,0cyclictest733-21ntpq12:09:500
1222899438106,0cyclictest10776-21ssh09:49:270
122289943687,0cyclictest18249-21diskmemload10:34:570
1222899436111,0cyclictest0-21swapper09:56:200
1514350,0ktimers/0222101sleep08:00:420
525504340,0irq/11-sym53c8x130250irq/15-NE200012:26:130
122289943325,0cyclictest2347-21ssh12:19:140
1514320,0ktimers/0255891sleep08:19:010
122289942926,0cyclictest26311-21sh11:26:420
122289942834,0cyclictest23829-21munin-node08:10:100
122289942635,0cyclictest22867-21sh11:04:020
122289942624,0cyclictest16471-21aten_r3power_vo07:34:580
1514250,0ktimers/0134381sleep10:06:290
1514220,0ktimers/0207111sleep10:50:050
122289942131,0cyclictest9996-21apt-get09:45:020
122289941976,0cyclictest0-21swapper12:23:020
122289941929,0cyclictest21595-21kworker/u4:2+rpciod11:08:380
122289941833,0cyclictest3434-21nscd07:54:020
122289941735,0cyclictest8506-21chrt09:35:220
1514160,0ktimers/0167721sleep10:26:060
1222899416105,0cyclictest30798-21latency_hist11:54:270
1514140,0ktimers/046491sleep12:32:390
1514130,0ktimers/0231361sleep08:05:270
1514120,0ktimers/0240531sleep11:10:300
122289941230,0cyclictest3460-21snmpd10:09:500
122289941228,0cyclictest31715-21df12:00:220
122289940828,0cyclictest29887-21runrttasks11:48:540
122289940827,0cyclictest460-21runrttasks12:08:540
122289940629,0cyclictest15488-21ssh10:18:420
525504040,0irq/11-sym53c8x130250irq/15-NE200009:21:510
122289940427,0cyclictest16012-21runrttasks10:21:100
122289940029,0cyclictest25386-21mailstats11:19:220
122289939831,0cyclictest26530-21chrt08:21:340
122289939727,0cyclictest30632-21grep08:40:380
122289939628,0cyclictest3037-21runrttasks09:04:220
122289939628,0cyclictest30102-21sendmail_mailst11:49:380
1513940,0ktimers/016911sleep08:57:140
122289939429,0cyclictest27850-21runrttasks08:29:100
122289939428,0cyclictest17794-21grep07:40:260
122289939327,0cyclictest4850-21basename09:10:500
122289939227,0cyclictest5783-21cat09:19:180
122289939189,0cyclictest7927-21ssh09:31:190
122289939129,0cyclictest6226-21switchtime12:40:580
122289939030,0cyclictest5679-21sh12:39:100
122289939024,0cyclictest20248-21chrt10:47:100
122289938729,0cyclictest21570-21sshd10:55:100
122289938656,0cyclictest0-21swapper07:49:010
122289938227,0cyclictest9465-21ssh09:41:300
122289937425,0cyclictest13530-21sed07:19:340
122289936827,0cyclictest15455-21awk07:30:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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