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2026-07-05 - 21:45
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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 Sun Jul 05, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2875825554,0sleep00-21swapper/007:22:060
319125040,0sleep30-21swapper/307:26:013
323224634,0sleep10-21swapper/107:26:231
288124536,0sleep20-21swapper/207:22:242
33569976,0cyclictest0-21swapper/110:37:091
8305060,0irq/26-0000:00:32214-21sh07:46:553
4160,0ktimersoftd/00-21swapper/011:16:520
4160,0ktimersoftd/00-21swapper/009:29:490
35160,0ktimersoftd/30-21swapper/309:29:493
33559963,0cyclictest19693-21kworker/0:110:47:080
33559963,0cyclictest19693-21kworker/0:110:30:320
33559963,0cyclictest19693-21kworker/0:110:01:420
33559960,0cyclictest0-21swapper/012:27:120
339960,0migration/36448-21sh11:48:223
339960,0migration/320902-21taskset10:23:133
339960,0migration/320195-21kthreadcore08:42:123
339960,0migration/319537-21sh10:05:473
339960,0migration/314674-21sh10:38:393
329960,0watchdog/35039-21hwlatdetect08:57:103
29805060,0irq/28-eth0-rx-8457-21df_abs11:52:093
29805060,0irq/28-eth0-rx-17042-21perl10:42:093
29805060,0irq/28-eth0-rx-0-21swapper/312:38:123
27160,0ktimersoftd/20-21swapper/211:16:522
27160,0ktimersoftd/20-21swapper/209:29:492
19160,0ktimersoftd/10-21swapper/111:16:521
19160,0ktimersoftd/10-21swapper/109:29:491
149960,0migration/030409-21idleruntime11:27:100
149960,0migration/012500-21kthreadcore09:42:130
8305050,0irq/26-0000:00:24525-21crond10:46:552
33589954,0cyclictest30299-21awk08:52:112
33589954,0cyclictest27726-21awk09:52:102
33569950,0cyclictest20071-21ssh11:20:591
33569950,0cyclictest14832-21diskmemload12:17:251
33559953,0cyclictest25104-21kworker/0:012:52:090
33559953,0cyclictest25104-21kworker/0:012:42:390
33559953,0cyclictest25104-21kworker/0:012:37:330
33559953,0cyclictest25104-21kworker/0:012:24:130
33559953,0cyclictest25104-21kworker/0:012:19:330
33559953,0cyclictest25104-21kworker/0:012:12:030
33559953,0cyclictest25104-21kworker/0:012:02:090
33559953,0cyclictest19693-21kworker/0:111:57:330
33559953,0cyclictest19693-21kworker/0:111:52:430
33559953,0cyclictest19693-21kworker/0:111:45:330
33559953,0cyclictest19693-21kworker/0:111:33:120
33559953,0cyclictest19693-21kworker/0:111:23:420
33559953,0cyclictest19693-21kworker/0:111:07:080
33559953,0cyclictest19693-21kworker/0:110:57:020
33559953,0cyclictest19693-21kworker/0:110:54:380
33559953,0cyclictest19693-21kworker/0:110:42:420
33559953,0cyclictest19693-21kworker/0:110:37:080
33559953,0cyclictest19693-21kworker/0:110:34:380
33559953,0cyclictest19693-21kworker/0:110:24:420
33559953,0cyclictest19693-21kworker/0:110:18:320
33559953,0cyclictest19693-21kworker/0:110:10:320
33559953,0cyclictest19693-21kworker/0:110:02:020
33559953,0cyclictest19693-21kworker/0:109:49:320
339950,0migration/39876-21aten_r1power_cu10:57:083
339950,0migration/39641-21latency_hist10:56:553
339950,0migration/36203-21sh10:34:053
339950,0migration/36199-21munin-node10:17:093
339950,0migration/331470-21munin-node12:02:163
339950,0migration/33130-21kthreadcore07:47:123
339950,0migration/330004-21fschecks_count11:27:083
339950,0migration/329168-21munin-node10:27:203
339950,0migration/328942-21aten_r1power_en10:12:073
339950,0migration/328410-21taskset08:03:243
339950,0migration/327132-21sh10:07:513
339950,0migration/323934-21munin-node11:42:093
339950,0migration/321421-21sh11:22:093
339950,0migration/320498-21irqrtprio12:17:123
339950,0migration/318980-21fschecks_count11:02:093
339950,0migration/318640-21kthreadcore11:37:133
339950,0migration/310184-21taskset11:12:313
329950,0watchdog/30-21swapper/309:34:103
29815050,0irq/29-eth0-tx-8117-21ssh10:52:572
29815050,0irq/29-eth0-tx-31172-21ssh10:32:022
29815050,0irq/29-eth0-tx-27846-21kthreadcore11:42:132
29815050,0irq/29-eth0-tx-19313-21ssh10:05:092
29815050,0irq/29-eth0-tx-0-21swapper/212:47:092
29815050,0irq/29-eth0-tx-0-21swapper/212:28:062
29815050,0irq/29-eth0-tx-0-21swapper/211:29:252
29815050,0irq/29-eth0-tx-0-21swapper/210:00:432
29815050,0irq/29-eth0-tx-0-21swapper/209:37:312
29815050,0irq/29-eth0-tx-0-21swapper/009:12:190
29815050,0irq/29-eth0-tx-0-21swapper/008:34:440
29815050,0irq/29-eth0-tx-0-21swapper/008:19:400
29815050,0irq/29-eth0-tx-0-21swapper/007:42:150
29805050,0irq/28-eth0-rx-7195-21irqrtprio11:32:123
29805050,0irq/28-eth0-rx-6573-21switchtime09:37:183
29805050,0irq/28-eth0-rx-550-21python09:52:183
29805050,0irq/28-eth0-rx-3793-21munin-node12:42:163
29805050,0irq/28-eth0-rx-24203-21netstat08:22:133
29805050,0irq/28-eth0-rx-18614-21fschecks_time09:47:103
29805050,0irq/28-eth0-rx-15640-21kthreadcore11:17:153
29805050,0irq/28-eth0-rx-12119-21kthreadcore12:12:133
29805050,0irq/28-eth0-rx-0-21swapper/312:52:083
29805050,0irq/28-eth0-rx-0-21swapper/312:50:373
29805050,0irq/28-eth0-rx-0-21swapper/312:27:143
29805050,0irq/28-eth0-rx-0-21swapper/312:22:123
29805050,0irq/28-eth0-rx-0-21swapper/312:10:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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