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2025-10-22 - 19:41
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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 Wed Oct 22, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3226024738,0sleep10-21swapper/106:18:191
3255324531,0sleep00-21swapper/006:21:430
3228524131,0sleep30-21swapper/306:18:373
3158624028,0sleep20-21swapper/206:17:082
326319988,0cyclictest11069-21sensors08:17:082
329980,0watchdog/30-21swapper/311:07:173
329970,0watchdog/316486-21kthreadcore06:32:053
329970,0watchdog/30-21swapper/311:20:083
329970,0watchdog/30-21swapper/309:12:053
329970,0watchdog/30-21swapper/308:25:013
329970,0watchdog/30-21swapper/306:51:573
339960,0migration/328899-21sh08:31:453
326319965,0cyclictest0-21swapper/210:56:582
326319960,0cyclictest0-21swapper/207:17:122
326319960,0cyclictest0-21swapper/207:17:122
326309966,0cyclictest0-21swapper/111:25:191
326309965,0cyclictest0-21swapper/110:31:141
329960,0watchdog/325100-21ssh09:29:093
329960,0watchdog/313849-21cut07:57:093
329960,0watchdog/30-21swapper/311:47:283
329960,0watchdog/30-21swapper/311:27:283
329960,0watchdog/30-21swapper/311:02:173
329960,0watchdog/30-21swapper/310:57:453
329960,0watchdog/30-21swapper/310:52:013
329960,0watchdog/30-21swapper/310:50:413
329960,0watchdog/30-21swapper/310:33:453
329960,0watchdog/30-21swapper/310:27:013
329960,0watchdog/30-21swapper/310:23:253
329960,0watchdog/30-21swapper/310:17:573
329960,0watchdog/30-21swapper/310:14:493
329960,0watchdog/30-21swapper/310:05:013
329960,0watchdog/30-21swapper/309:46:573
329960,0watchdog/30-21swapper/309:42:013
329960,0watchdog/30-21swapper/308:57:333
329960,0watchdog/30-21swapper/308:53:413
329960,0watchdog/30-21swapper/308:50:373
329960,0watchdog/30-21swapper/308:43:293
329960,0watchdog/30-21swapper/308:36:453
329960,0watchdog/30-21swapper/308:26:453
329960,0watchdog/30-21swapper/307:11:493
329960,0watchdog/30-21swapper/306:57:253
29935060,0irq/33-eth0-tx-4187-21munin-node06:47:080
29935060,0irq/33-eth0-tx-0-21swapper/008:23:120
29935060,0irq/33-eth0-tx-0-21swapper/007:13:150
29935060,0irq/33-eth0-tx-0-21swapper/007:08:380
29925060,0irq/32-eth0-rx-21396-21awk09:02:103
29925060,0irq/32-eth0-rx-0-21swapper/311:34:263
29925060,0irq/32-eth0-rx-0-21swapper/311:22:033
29925060,0irq/32-eth0-rx-0-21swapper/311:12:123
29925060,0irq/32-eth0-rx-0-21swapper/310:42:053
29925060,0irq/32-eth0-rx-0-21swapper/309:54:393
29925060,0irq/32-eth0-rx-0-21swapper/306:42:033
179960,0migration/111206-21sh06:51:451
149960,0migration/04990-21aten_r1power_vo08:16:580
149960,0migration/029937-21idleruntime-cro10:31:440
149960,0migration/025155-21kthreadcore09:07:030
8315050,0irq/26-0000:00:0-21swapper/306:36:503
339950,0migration/39280-21latency_hist09:21:443
339950,0migration/36955-21fschecks_count10:37:073
339950,0migration/34981-21fschecks_time06:47:003
339950,0migration/331180-21kthreadcore09:32:053
339950,0migration/315160-21kthreadcore07:37:033
339950,0migration/310407-21kthreadcore08:17:053
326319954,0cyclictest19372-21ps11:02:052
326319950,0cyclictest0-21swapper/211:29:082
326319950,0cyclictest0-21swapper/209:48:052
326309955,0cyclictest11840-21diskmemload10:21:471
326309955,0cyclictest0-21swapper/111:29:251
326309955,0cyclictest0-21swapper/111:21:131
326309955,0cyclictest0-21swapper/110:17:031
326309955,0cyclictest0-21swapper/109:44:251
326309955,0cyclictest0-21swapper/109:14:471
326309950,0cyclictest0-21swapper/111:47:231
326309950,0cyclictest0-21swapper/111:08:461
326309950,0cyclictest0-21swapper/109:01:321
326289955,0cyclictest9771-21kworker/0:006:56:450
326289955,0cyclictest9771-21kworker/0:006:51:550
326289955,0cyclictest9771-21kworker/0:006:41:510
326289955,0cyclictest9771-21kworker/0:006:37:210
326289955,0cyclictest9771-21kworker/0:006:31:530
326289955,0cyclictest9771-21kworker/0:006:26:510
326289955,0cyclictest4590-21kworker/0:210:02:190
326289955,0cyclictest4590-21kworker/0:209:56:490
326289955,0cyclictest4590-21kworker/0:209:46:550
326289955,0cyclictest4590-21kworker/0:209:42:150
326289955,0cyclictest4590-21kworker/0:209:36:450
326289955,0cyclictest4590-21kworker/0:209:31:470
326289955,0cyclictest4590-21kworker/0:209:26:470
326289955,0cyclictest4590-21kworker/0:209:22:330
326289955,0cyclictest4590-21kworker/0:209:16:530
326289955,0cyclictest4590-21kworker/0:209:11:550
326289955,0cyclictest4590-21kworker/0:209:02:550
326289955,0cyclictest4590-21kworker/0:208:58:450
326289955,0cyclictest4590-21kworker/0:208:52:230
326289955,0cyclictest4590-21kworker/0:208:47:530
326289955,0cyclictest4590-21kworker/0:208:41:490
326289955,0cyclictest4590-21kworker/0:208:36:550
326289955,0cyclictest4590-21kworker/0:208:31:530
326289955,0cyclictest4590-21kworker/0:208:27:250
326289955,0cyclictest29970-21kworker/0:111:48:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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