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2026-05-12 - 11:36
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Tue May 12, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31842231157,58sleep20-21swapper/219:08:562
31252216151,21sleep00-21swapper/019:08:080
32642209159,25sleep30-21swapper/319:09:563
11492203159,26sleep10-21swapper/119:05:041
73372760,0sleep10-21swapper/119:15:151
59462710,1sleep25948-21idleruntime23:30:162
139242610,0sleep30-21swapper/321:30:453
150732160,0sleep015075-21pmu-power00:25:200
337399119,1cyclictest7234-21cron22:54:553
337399118,1cyclictest35-21ksoftirqd/320:35:003
336799110,8cyclictest23530-21snmpd22:52:012
335499119,1cyclictest9-21ksoftirqd/022:59:590
335499119,1cyclictest9-21ksoftirqd/022:45:000
335499113,4cyclictest28475-21cut21:09:590
3354991110,1cyclictest9-21ksoftirqd/023:05:010
337399108,1cyclictest35-21ksoftirqd/322:40:153
337399108,1cyclictest35-21ksoftirqd/321:05:003
335499109,1cyclictest9-21ksoftirqd/023:15:000
335499109,1cyclictest9-21ksoftirqd/000:10:010
335499100,5cyclictest8740-21pluginstate19:20:000
228302100,0sleep10-21swapper/120:55:191
33599990,3cyclictest0-21swapper/122:04:061
33549998,1cyclictest9-21ksoftirqd/000:00:000
33549991,5cyclictest18750-21apt-get23:05:120
33549990,7cyclictest240-21systemd-journal23:18:080
33739986,1cyclictest23530-21snmpd22:18:033
33739986,1cyclictest23530-21snmpd22:09:393
33739986,1cyclictest23530-21snmpd21:49:443
33739986,1cyclictest23530-21snmpd19:54:223
33739986,1cyclictest23530-21snmpd19:35:283
33739981,4cyclictest13755-21nscd19:25:123
33739980,7cyclictest0-21swapper/320:36:333
33739980,4cyclictest0-21swapper/300:10:123
33679986,1cyclictest61650irq/122-eno123:55:122
33679986,1cyclictest61650irq/122-eno123:50:112
33679986,1cyclictest61650irq/122-eno122:45:192
33679986,1cyclictest61650irq/122-eno120:15:182
33679986,1cyclictest61650irq/122-eno100:25:162
33679986,1cyclictest23530-21snmpd21:43:022
33679986,1cyclictest23530-21snmpd19:25:122
33679983,3cyclictest23433-21aten_r1power_po19:50:132
33549987,1cyclictest9-21ksoftirqd/023:55:000
33549987,1cyclictest9-21ksoftirqd/023:35:000
33549987,1cyclictest9-21ksoftirqd/021:20:010
33549986,1cyclictest9-21ksoftirqd/023:30:000
33549986,1cyclictest3987-21timerwakeupswit22:00:220
33549986,1cyclictest23530-21snmpd22:05:570
33549986,1cyclictest23530-21snmpd21:38:560
33549986,1cyclictest23530-21snmpd20:40:270
33549986,1cyclictest23530-21snmpd19:33:040
33549986,1cyclictest12131-21ssh00:21:100
33549982,5cyclictest10784-21memory20:30:160
33549981,6cyclictest8310-21ssh00:15:530
33549981,4cyclictest28416-21diskmemload21:59:350
33549980,7cyclictest5703-21perf19:15:000
33549980,7cyclictest5516-21grep22:45:220
33549980,7cyclictest23600-21ssh00:36:550
33549980,4cyclictest7797-21cut21:25:000
33739977,0cyclictest35-21ksoftirqd/300:01:073
33739976,1cyclictest3800-21kworker/3:021:07:593
33739976,1cyclictest23530-21snmpd00:18:213
33739976,1cyclictest23530-21snmpd00:05:093
33739976,1cyclictest21150-21ssh23:07:043
33739976,1cyclictest1747-21ntpd20:40:583
33739975,1cyclictest23530-21snmpd23:46:293
33739975,1cyclictest23530-21snmpd23:43:353
33739975,1cyclictest23530-21snmpd23:00:043
33739975,1cyclictest23530-21snmpd20:20:203
33739975,1cyclictest23530-21snmpd19:22:033
33739975,1cyclictest23530-21snmpd00:35:413
33739975,1cyclictest1747-21ntpd20:45:583
33739975,1cyclictest1747-21ntpd20:45:583
33739975,1cyclictest10704-21ssh23:35:373
33739971,4cyclictest35-21ksoftirqd/322:49:593
33739970,3cyclictest0-21swapper/322:56:213
33739970,3cyclictest0-21swapper/321:37:403
33679976,1cyclictest61650irq/122-eno123:40:122
33679976,1cyclictest61650irq/122-eno123:14:022
33679976,1cyclictest61650irq/122-eno122:40:112
33679976,1cyclictest61650irq/122-eno122:35:152
33679976,1cyclictest61650irq/122-eno122:31:252
33679976,1cyclictest61650irq/122-eno122:10:002
33679976,1cyclictest61650irq/122-eno122:00:452
33679976,1cyclictest61650irq/122-eno121:25:122
33679976,1cyclictest23530-21snmpd23:09:252
33679976,1cyclictest23530-21snmpd21:35:052
33679976,1cyclictest1203-21cat20:10:172
33679976,0cyclictest61650irq/122-eno123:35:292
33679976,0cyclictest61650irq/122-eno123:00:182
33679976,0cyclictest61650irq/122-eno100:35:132
33679975,1cyclictest61650irq/122-eno123:25:182
33679975,1cyclictest61650irq/122-eno123:20:112
33679975,1cyclictest61650irq/122-eno121:30:192
33679975,1cyclictest61650irq/122-eno121:15:192
33679975,1cyclictest61650irq/122-eno120:35:152
33679975,1cyclictest61650irq/122-eno119:20:162
33679975,1cyclictest61650irq/122-eno100:30:132
33679975,1cyclictest61650irq/122-eno100:10:172
33679975,1cyclictest61650irq/122-eno100:07:472
33679975,1cyclictest29396-21ssh23:19:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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