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2025-11-21 - 22:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack4slot1.osadl.org (updated Fri Nov 21, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267821270,3sleep30-21swapper/312:05:333
3224721150,3chrt0-21swapper/308:15:463
1536621140,4sleep30-21swapper/311:41:463
1536621140,4sleep30-21swapper/311:41:463
106482930,3sleep20-21swapper/210:16:492
106482930,3sleep20-21swapper/210:16:492
195272860,7sleep333-21ksoftirqd/307:40:543
195272860,7sleep333-21ksoftirqd/307:40:543
33532830,4sleep10-21swapper/110:08:361
33532830,4sleep10-21swapper/110:08:361
108322820,3chrt0-21swapper/211:36:232
123762760,3sleep10-21swapper/110:59:161
123762760,3sleep10-21swapper/110:59:161
237322750,3sleep30-21swapper/307:50:593
133972670,2sleep30-21swapper/311:00:513
130822670,3sleep20-21swapper/212:16:012
130822670,3sleep20-21swapper/212:16:012
46462660,3sleep30-21swapper/310:10:433
46462660,3sleep30-21swapper/310:10:433
79332650,2sleep00-21swapper/008:36:000
79332650,2sleep00-21swapper/008:36:000
9495996424,24cyclictest38850irq/55-eth012:10:520
9495996424,24cyclictest38850irq/55-eth012:10:520
56912640,3sleep10-21swapper/110:50:561
56912640,3sleep10-21swapper/110:50:561
64292630,2sleep26631-21unixbench_singl10:51:062
64292630,2sleep26631-21unixbench_singl10:51:062
949599622,48cyclictest542-21snmpd12:05:540
949599622,48cyclictest542-21snmpd12:05:540
949599622,48cyclictest542-21snmpd12:05:540
9495996122,35cyclictest12-21ksoftirqd/011:55:500
9495996122,35cyclictest12-21ksoftirqd/011:55:500
91112610,2sleep08021-21ls07:11:060
91112610,2sleep08021-21ls07:11:060
66342600,3sleep30-21swapper/310:51:063
66342600,3sleep30-21swapper/310:51:063
949699594,44cyclictest8996-21ssh10:15:511
949699594,44cyclictest8996-21ssh10:15:511
72112580,3chrt0-21swapper/208:35:462
72112580,3chrt0-21swapper/208:35:462
311632570,4sleep30-21swapper/311:21:373
311632570,4sleep30-21swapper/311:21:373
20902570,3sleep00-21swapper/010:06:220
20902570,3sleep00-21swapper/010:06:220
161482560,10chrt33-21ksoftirqd/312:19:523
161482560,10chrt33-21ksoftirqd/312:19:523
83682550,2sleep28455-21fschecks_count07:10:562
83682550,2sleep28455-21fschecks_count07:10:562
229322550,3sleep20-21swapper/209:14:002
229322550,3sleep20-21swapper/209:14:002
9497995339,8cyclictest27-21ksoftirqd/209:10:502
322732530,3sleep30-21swapper/309:25:503
91072520,4sleep10-21swapper/112:11:221
91072520,4sleep10-21swapper/112:11:221
949799502,37cyclictest24655-21ssh09:55:522
949799502,37cyclictest24655-21ssh09:55:522
185492500,4sleep30-21swapper/307:36:033
119852500,2sleep011994-21ssh10:58:360
119852500,2sleep011994-21ssh10:58:360
949599491,11cyclictest131rcu_preempt09:00:500
949699483,42cyclictest542-21snmpd11:55:501
949699483,42cyclictest542-21snmpd11:55:501
9495994828,13cyclictest38850irq/55-eth010:04:450
9495994828,13cyclictest38850irq/55-eth010:04:450
99352470,3chrt0-21swapper/008:41:020
82342470,3sleep18021-21ls07:10:511
82342470,3sleep18021-21ls07:10:511
50412470,3chrt0-21swapper/110:10:531
50412470,3chrt0-21swapper/110:10:531
121502470,3sleep10-21swapper/109:40:551
121502470,3sleep10-21swapper/109:40:551
121502470,3sleep10-21swapper/109:40:551
274852460,3sleep30-21swapper/309:19:393
949799453,6cyclictest131rcu_preempt08:35:522
949799453,6cyclictest131rcu_preempt08:35:522
949599453,31cyclictest5385-21taskset11:30:510
949599453,31cyclictest5385-21taskset11:30:510
327342450,2sleep121-21ksoftirqd/110:05:391
327342450,2sleep121-21ksoftirqd/110:05:391
274222450,3sleep30-21swapper/308:00:593
274222450,3sleep30-21swapper/308:00:593
949799442,34cyclictest17005-21ssh12:20:522
949799442,34cyclictest17005-21ssh12:20:522
949699443,35cyclictest20230-21latency_hist09:10:491
949699443,35cyclictest20230-21latency_hist09:10:491
86152440,4chrt0-21swapper/109:36:011
949799431,29cyclictest1469-21ssh11:25:522
949599433,17cyclictest29650irq/49-vc410:36:090
949599433,17cyclictest29650irq/49-vc410:36:090
156762430,2sleep00-21swapper/011:42:150
156762430,2sleep00-21swapper/011:42:150
65082420,2chrt6504-21unixbench-2d11:31:031
65082420,2chrt6504-21unixbench-2d11:31:031
262262420,3chrt0-21swapper/112:30:551
949799413,27cyclictest31039-21ssh12:35:492
949599414,24cyclictest38850irq/55-eth010:00:500
949599414,24cyclictest38850irq/55-eth010:00:500
949599410,3cyclictest131rcu_preempt09:40:520
949599410,3cyclictest131rcu_preempt09:40:520
949599410,3cyclictest131rcu_preempt09:40:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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