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2025-11-28 - 14:07
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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 28, 2025 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2420821550,2sleep10-21swapper/109:34:051
2420821550,2sleep10-21swapper/109:34:051
197821400,3sleep20-21swapper/210:26:312
197821400,3sleep20-21swapper/210:26:312
3082421380,2sleep30-21swapper/310:22:463
3082421380,2sleep30-21swapper/310:22:463
3082421380,2sleep30-21swapper/310:22:463
103021360,3chrt0-21swapper/307:31:103
103021360,3chrt0-21swapper/307:31:103
2256421300,2sleep30-21swapper/308:30:503
2256421300,2sleep30-21swapper/308:30:503
2656221230,2sleep226560-21cron07:15:462
2656221230,2sleep226560-21cron07:15:462
1392921070,4sleep20-21swapper/212:04:082
1392921070,4sleep20-21swapper/212:04:082
296912900,3sleep10-21swapper/107:21:121
296912900,3sleep10-21swapper/107:21:121
165162870,3chrt0-21swapper/209:24:422
165162870,3chrt0-21swapper/209:24:422
275182800,4sleep30-21swapper/310:59:113
275182800,4sleep30-21swapper/310:59:113
277512760,3sleep30-21swapper/311:41:033
193792710,3sleep30-21swapper/311:30:583
193792710,3sleep30-21swapper/311:30:583
256632690,3sleep10-21swapper/110:56:071
256632690,3sleep10-21swapper/110:56:071
217142690,3sleep10-21swapper/112:12:551
217142690,3sleep10-21swapper/112:12:551
217142690,3sleep10-21swapper/112:12:551
58132670,3chrt0-21swapper/209:11:032
310782660,4sleep20-21swapper/209:42:022
310782660,4sleep20-21swapper/209:42:022
172432660,3chrt0-21swapper/111:27:461
171552650,3chrt0-21swapper/308:15:593
171552650,3chrt0-21swapper/308:15:593
289852640,3sleep30-21swapper/309:40:463
196872640,3sleep20-21swapper/210:49:172
26201996139,17cyclictest38850irq/55-eth009:25:530
26201996139,17cyclictest38850irq/55-eth009:25:530
26203995813,5cyclictest131rcu_preempt09:25:572
26203995813,5cyclictest131rcu_preempt09:25:572
84722560,3sleep10-21swapper/109:55:591
84722560,3sleep10-21swapper/109:55:591
296482560,13sleep121-21ksoftirqd/110:21:071
296482560,13sleep121-21ksoftirqd/110:21:071
296482560,13sleep121-21ksoftirqd/110:21:071
26201995620,9cyclictest131rcu_preempt07:15:570
26201995620,9cyclictest131rcu_preempt07:15:570
297602530,3sleep20-21swapper/210:21:082
297602530,3sleep20-21swapper/210:21:082
297602530,3sleep20-21swapper/210:21:082
2620199534,37cyclictest19380-21ssh11:30:580
2620199534,37cyclictest19380-21ssh11:30:580
133322530,3sleep10-21swapper/112:03:071
133322530,3sleep10-21swapper/112:03:071
201042520,3sleep00-21swapper/012:11:060
201042520,3sleep00-21swapper/012:11:060
201042520,3sleep00-21swapper/012:11:060
100742520,4sleep30-21swapper/309:56:463
100742520,4sleep30-21swapper/309:56:463
311832510,2sleep131193-21ssh11:03:161
311832510,2sleep131193-21ssh11:03:161
320302500,3sleep30-21swapper/311:04:543
320302500,3sleep30-21swapper/311:04:543
249612500,2sleep224975-21sh09:35:322
249612500,2sleep224975-21sh09:35:322
35972490,3sleep20-21swapper/212:31:052
35972490,3sleep20-21swapper/212:31:052
32422490,2sleep227-21ksoftirqd/209:48:492
32422490,2sleep227-21ksoftirqd/209:48:492
2620199492,38cyclictest542-21snmpd07:51:000
2620199491,36cyclictest16630-21ssh10:05:590
18662490,2sleep30-21swapper/309:01:043
296312480,2sleep229758-21ls11:01:122
296312480,2sleep229758-21ls11:01:122
26202994822,22cyclictest131rcu_preempt08:45:581
26202994822,22cyclictest131rcu_preempt08:45:581
2620399473,36cyclictest4337-21ssh11:10:582
2620399473,36cyclictest4337-21ssh11:10:582
2620199473,32cyclictest6833-21ssh11:55:580
2620199473,32cyclictest6833-21ssh11:55:580
2620199471,35cyclictest31759-21rm12:25:570
2620199471,35cyclictest31759-21rm12:25:570
221312470,3sleep30-21swapper/310:11:203
221312470,3sleep30-21swapper/310:11:203
2620199462,35cyclictest28675-21runrttasks07:20:580
2620199462,35cyclictest28675-21runrttasks07:20:580
23242460,1sleep02036-21/usr/sbin/munin07:36:020
23242460,1sleep02036-21/usr/sbin/munin07:36:020
48642450,12sleep333-21ksoftirqd/309:51:033
48642450,12sleep333-21ksoftirqd/309:51:033
257252450,4sleep20-21swapper/209:36:032
53422440,7sleep2261rcuc/209:51:102
53422440,7sleep2261rcuc/209:51:102
48932440,3sleep00-21swapper/011:52:490
48932440,3sleep00-21swapper/011:52:490
41542440,3sleep00-21swapper/009:06:110
41542440,3sleep00-21swapper/009:06:110
282092440,4sleep00-21swapper/008:45:540
2620399441,38cyclictest542-21snmpd07:45:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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