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2026-06-12 - 05:59
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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 rackaslot8.osadl.org (updated Fri Jun 12, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266972297270,18sleep20-21swapper/219:05:582
270082294268,17sleep10-21swapper/119:09:431
268912266235,21sleep00-21swapper/019:08:130
268112260229,20sleep30-21swapper/319:07:123
25052600,0sleep1211rcuc/122:39:411
65252590,0sleep30-21swapper/321:22:573
317932590,0sleep20-21swapper/221:18:472
20272590,0sleep20-21swapper/222:59:042
90272580,0sleep00-21swapper/019:40:120
71122580,0sleep10-21swapper/100:20:221
285222560,0sleep20-21swapper/223:15:122
9422550,0sleep20-21swapper/222:18:392
85552510,0sleep10-21swapper/122:42:571
34802200,0sleep30-21swapper/323:39:323
271952190,0sleep10-21swapper/123:14:271
3152180,0sleep30-21swapper/322:57:453
223712170,0sleep30-21swapper/300:10:163
97382140,0sleep10-21swapper/123:23:201
27132991311,1cyclictest12-21ksoftirqd/023:35:010
2713299129,2cyclictest12-21ksoftirqd/000:00:000
2713299121,3cyclictest12-21ksoftirqd/019:20:110
27132991211,1cyclictest12-21ksoftirqd/021:20:010
27132991211,1cyclictest12-21ksoftirqd/020:00:010
27132991210,1cyclictest12-21ksoftirqd/022:00:010
2713799113,4cyclictest275-21systemd-journal19:30:011
27132991110,1cyclictest12-21ksoftirqd/021:55:010
27132991110,1cyclictest12-21ksoftirqd/020:20:010
27132991110,1cyclictest12-21ksoftirqd/019:40:000
318632100,0sleep10-21swapper/121:18:511
2713999102,5cyclictest9307-21ssh23:23:012
2713999100,7cyclictest20216-21ssh21:11:092
2713299108,1cyclictest12-21ksoftirqd/019:15:010
2713299108,1cyclictest12-21ksoftirqd/000:20:010
271399994,4cyclictest0-21swapper/223:30:112
271399992,5cyclictest7618-1kworker/u9:222:43:042
271399992,5cyclictest23935-21ssh00:10:562
271399992,5cyclictest23519-21ssh22:32:082
271399992,5cyclictest15279-21ssh21:47:512
271399992,5cyclictest0-21swapper/200:19:012
271399992,3cyclictest0-21swapper/200:30:062
271399992,2cyclictest21709-21ssh21:32:042
271399992,2cyclictest1259-21ssh21:20:042
271399990,7cyclictest31241-21ssh21:37:512
271399990,6cyclictest7222-21ssh23:41:032
271399990,6cyclictest25194-21ssh23:12:542
271399990,6cyclictest18162-21ssh23:08:492
271399990,6cyclictest16949-21diskmemload22:25:442
271399990,3cyclictest14833-21latency_hist21:05:002
271329998,1cyclictest12-21ksoftirqd/023:50:000
271329998,1cyclictest12-21ksoftirqd/022:15:020
271329998,1cyclictest12-21ksoftirqd/021:00:000
271329997,2cyclictest12-21ksoftirqd/021:35:000
271329997,2cyclictest12-21ksoftirqd/021:25:000
271329997,1cyclictest12-21ksoftirqd/021:45:010
271329996,2cyclictest12-21ksoftirqd/020:45:100
12017290,0sleep00-21swapper/000:24:140
271399986,2cyclictest10759-21apt-get22:05:022
271399986,2cyclictest10759-21apt-get22:05:022
271399986,2cyclictest0-21swapper/222:10:112
271399984,3cyclictest3928-21find22:00:232
271399984,3cyclictest29452-21latency_hist20:25:012
271399984,3cyclictest29049-21acpi23:55:122
271399984,3cyclictest0-21swapper/220:05:122
271399984,3cyclictest0-21swapper/220:05:122
271399984,2cyclictest0-21swapper/220:50:112
271399982,4cyclictest0-21swapper/221:50:392
271399982,2cyclictest9423-21ssh21:25:052
271399982,2cyclictest29821-21ssh22:35:402
271399982,2cyclictest23430-21ssh23:51:012
271399982,2cyclictest13922-21ssh23:45:192
271399982,2cyclictest10513-21apt-get20:55:102
271399982,2cyclictest0-21swapper/223:26:252
271399982,2cyclictest0-21swapper/222:45:182
271399982,2cyclictest0-21swapper/200:21:392
271399980,5cyclictest7297-21hddtemp_smartct19:35:152
271399980,5cyclictest6668-21ssh22:21:432
271399980,5cyclictest29691-21ssh00:35:062
271399980,4cyclictest3554-21sh23:00:042
271399980,4cyclictest29724-21sh23:35:162
271399980,4cyclictest20952-21awk22:50:202
271399980,3cyclictest6860-21sh00:00:332
271399980,3cyclictest2088-21find21:40:122
271399980,3cyclictest15042-21sh00:05:362
271399980,3cyclictest15042-21sh00:05:362
271399980,3cyclictest14241-21ssh00:25:142
271379983,1cyclictest12501-21awk00:05:001
271379980,7cyclictest18597-21latency21:30:151
271329987,1cyclictest131rcuc/020:35:110
271329987,1cyclictest12-21ksoftirqd/023:20:010
271329987,1cyclictest12-21ksoftirqd/022:50:000
271329987,1cyclictest12-21ksoftirqd/000:30:000
271329986,2cyclictest12-21ksoftirqd/020:55:000
271329986,1cyclictest12-21ksoftirqd/021:10:010
271329986,1cyclictest12-21ksoftirqd/020:05:020
271329986,1cyclictest12-21ksoftirqd/019:30:000
271329983,1cyclictest141rcu_preempt22:15:130
271329982,1cyclictest141rcu_preempt00:00:110
271329981,1cyclictest141rcu_preempt19:50:100
271439975,1cyclictest34-21ksoftirqd/319:55:013
271439974,2cyclictest275-21systemd-journal22:39:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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