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2026-08-04 - 01:39
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot2.osadl.org (updated Tue Aug 04, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
946924130,0sleep00-21swapper/019:24:590
968223828,0sleep30-21swapper/319:27:303
977222826,0sleep20-21swapper/219:28:332
956722723,0sleep10-21swapper/119:26:081
99119977,0cyclictest9657-21kworker/0:022:18:570
99209960,0cyclictest0-21swapper/223:59:402
8305060,0irq/26-0000:00:31496-21munin-run19:44:193
339960,0migration/34558-21munin-node00:09:333
339960,0migration/33062-21sh00:06:343
339960,0migration/330211-21sh00:40:343
339960,0migration/329415-21sh21:33:423
339960,0migration/328740-21sh22:48:303
339960,0migration/324584-21sh23:40:113
339960,0migration/321563-21sh00:35:113
339960,0migration/317402-21sh23:39:023
339960,0migration/312457-21runrttasks22:55:173
329960,0watchdog/331593-21diskstats23:09:353
29815060,0irq/29-eth0-tx-0-21swapper/221:52:172
29805060,0irq/28-eth0-rx-23648-21grep22:24:413
29805060,0irq/28-eth0-rx-15131-21ssh23:17:453
29805060,0irq/28-eth0-rx-12360-21memory21:39:403
149960,0migration/024202-21idleruntime-cro23:24:210
99209955,0cyclictest0-21swapper/223:31:362
99209955,0cyclictest0-21swapper/222:36:162
99209955,0cyclictest0-21swapper/222:18:082
99209955,0cyclictest0-21swapper/200:27:252
99209950,0cyclictest0-21swapper/223:50:032
99209950,0cyclictest0-21swapper/223:23:152
99209950,0cyclictest0-21swapper/200:16:422
99209950,0cyclictest0-21swapper/200:07:142
99129955,0cyclictest0-21swapper/123:17:421
99129955,0cyclictest0-21swapper/123:02:431
99129955,0cyclictest0-21swapper/100:46:271
99129955,0cyclictest0-21swapper/100:38:161
99129950,0cyclictest0-21swapper/122:53:341
99129950,0cyclictest0-21swapper/122:18:061
99119955,0cyclictest9657-21kworker/0:022:43:550
99119955,0cyclictest9657-21kworker/0:022:34:590
99119955,0cyclictest9657-21kworker/0:022:05:570
99119955,0cyclictest27148-21kworker/0:223:59:300
99119955,0cyclictest27148-21kworker/0:223:55:000
99119955,0cyclictest27148-21kworker/0:223:53:060
99119955,0cyclictest27148-21kworker/0:223:41:280
99119955,0cyclictest27148-21kworker/0:223:30:030
99119955,0cyclictest27148-21kworker/0:223:15:310
99119955,0cyclictest27148-21kworker/0:223:14:030
99119955,0cyclictest27148-21kworker/0:223:04:310
99119955,0cyclictest27148-21kworker/0:223:03:150
99119955,0cyclictest27148-21kworker/0:222:54:470
99119955,0cyclictest27148-21kworker/0:222:51:030
99119955,0cyclictest27148-21kworker/0:222:46:030
99119955,0cyclictest27148-21kworker/0:200:42:140
99119955,0cyclictest27148-21kworker/0:200:31:080
99119955,0cyclictest27148-21kworker/0:200:27:140
99119955,0cyclictest22178-21kworker/0:019:29:330
99119955,0cyclictest20467-21kworker/0:121:54:590
99119955,0cyclictest20467-21kworker/0:121:40:110
99119954,0cyclictest3571-21lldpd21:24:510
99119954,0cyclictest12879-21kworker/0:020:24:310
99119950,0cyclictest0-21swapper/000:51:050
4150,0ktimersoftd/00-21swapper/022:23:310
339950,0migration/39271-21munin-node00:49:383
339950,0migration/38895-21kthreadcore00:29:373
339950,0migration/3841-21kthreadcore20:49:383
339950,0migration/37684-21kthreadcore23:49:393
339950,0migration/36604-21taskset21:16:543
339950,0migration/331626-21taskset21:11:073
339950,0migration/328061-21munin-node22:29:343
339950,0migration/326111-21kthreadcore00:19:393
339950,0migration/323164-21taskset23:21:193
339950,0migration/320540-21switchtime21:24:463
339950,0migration/319238-21kthreadcore22:04:403
339950,0migration/318306-21idleruntime19:34:363
339950,0migration/31826-21needreboot20:04:543
339950,0migration/310514-21aten_r1power_fr22:19:323
339950,0migration/310456-21kthreadcore20:34:393
329950,0watchdog/38229-21taskset22:14:433
329950,0watchdog/321694-21kthreadcore21:04:393
329950,0watchdog/314744-21grep20:39:353
329950,0watchdog/312592-21df22:39:313
329950,0watchdog/30-21swapper/321:34:353
29815050,0irq/29-eth0-tx-7598-21ssh21:57:002
29815050,0irq/29-eth0-tx-32144-21munin-node21:14:400
29815050,0irq/29-eth0-tx-28825-21grep23:44:392
29815050,0irq/29-eth0-tx-26734-21ssh22:27:522
29815050,0irq/29-eth0-tx-24409-21kthreadcore23:04:422
29815050,0irq/29-eth0-tx-12001-21gltestperf23:54:352
29815050,0irq/29-eth0-tx-0-21swapper/221:47:452
29815050,0irq/29-eth0-tx-0-21swapper/200:39:402
29815050,0irq/29-eth0-tx-0-21swapper/200:13:422
29815050,0irq/29-eth0-tx-0-21swapper/021:29:250
29815050,0irq/29-eth0-tx-0-21swapper/021:19:310
29815050,0irq/29-eth0-tx-0-21swapper/020:39:150
29805050,0irq/28-eth0-rx-960-21tr19:44:363
29805050,0irq/28-eth0-rx-8624-21ssh21:59:233
29805050,0irq/28-eth0-rx-6969-21ssh21:55:103
29805050,0irq/28-eth0-rx-6704-21kthreadcore20:09:373
29805050,0irq/28-eth0-rx-32019-21wc00:44:333
29805050,0irq/28-eth0-rx-29739-21df_inode22:49:343
29805050,0irq/28-eth0-rx-18601-21cut22:59:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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