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2026-01-01 - 06:13
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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 rackeslot8.osadl.org (updated Thu Jan 01, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2392244992219,1cyclictest0-21swapper/319:20:013
2392244992219,1cyclictest0-21swapper/300:10:003
2392244992118,1cyclictest0-21swapper/323:05:213
2392244992118,1cyclictest0-21swapper/321:05:013
2392244992118,1cyclictest0-21swapper/321:05:013
239224499211,14cyclictest2490989-21taskset20:25:003
2392244992017,1cyclictest0-21swapper/323:00:003
2392244991814,1cyclictest0-21swapper/320:05:003
239224499181,13cyclictest2812148-21taskset00:35:233
239224499181,13cyclictest2806608-21turbostat00:35:003
239224499181,13cyclictest2794089-21taskset00:25:133
239224499181,13cyclictest2683907-21taskset22:54:563
239224499181,13cyclictest2427155-21taskset19:35:153
239224499181,12cyclictest2774076-21taskset00:05:013
239224499181,12cyclictest2741662-21turbostat23:40:013
239224499180,13cyclictest2581177-21taskset21:35:013
2392244991715,1cyclictest0-21swapper/322:05:173
2392244991714,1cyclictest0-21swapper/323:55:123
239224499171,13cyclictest2561943-21taskset21:20:153
239224499171,12cyclictest2600131-21taskset21:49:563
239224499171,12cyclictest2504068-21taskset20:35:133
239224499170,12cyclictest2748559-21taskset23:45:013
239224499169,4cyclictest25554832sleep321:15:153
239224499167,6cyclictest27934502sleep300:20:373
239224499161,12cyclictest2755057-21taskset23:50:143
239224499161,12cyclictest2718169-21taskset23:20:163
239224499161,12cyclictest2666788-21taskset22:40:173
239224499161,12cyclictest2663870-21chrt22:35:193
239224499161,12cyclictest2651722-21taskset22:27:473
239224499161,12cyclictest2612893-21taskset21:56:053
239224499161,12cyclictest2535781-21turbostat21:00:003
239224499161,12cyclictest2522716-21chrt20:46:483
239224499161,12cyclictest2471512-21taskset20:07:413
239224499161,12cyclictest2392554-21chrt19:10:063
239224499161,11cyclictest2776285-21taskset00:10:143
239224499161,11cyclictest2747591-21taskset23:40:243
239224499161,11cyclictest2703456-21taskset23:10:263
239224499160,12cyclictest2632418-21chrt22:11:323
239224499160,12cyclictest2606845-21taskset21:55:003
239224499160,12cyclictest2574501-21taskset21:29:563
239224499160,11cyclictest2414033-21taskset19:25:013
275515921511,2sleep00-21swapper/023:50:160
239224499157,5cyclictest2677199-21taskset22:46:093
239224499156,6cyclictest24719332sleep320:10:033
239224499156,6cyclictest24521352sleep319:50:223
239224499156,6cyclictest24397202sleep319:45:023
2392244991512,1cyclictest0-21swapper/321:05:123
2392244991512,1cyclictest0-21swapper/300:15:153
239224499151,12cyclictest2593506-21taskset21:41:463
239224499151,12cyclictest2503643-21chrt20:33:223
239224499151,12cyclictest2439639-21taskset19:44:283
239224499151,11cyclictest2729223-21taskset23:30:153
239224499151,11cyclictest2715621-21taskset23:15:483
239224499151,11cyclictest2690652-21chrt23:00:133
239224499151,11cyclictest2613671-21taskset22:00:143
239224499151,11cyclictest2580954-21turbostat21:35:013
239224499151,11cyclictest2523299-21taskset20:50:133
239224499151,11cyclictest2516296-21taskset20:41:353
239224499151,11cyclictest2497072-21chrt20:26:123
239224499151,11cyclictest2458917-21turbostat20:00:013
239224499151,11cyclictest2413261-21taskset19:20:243
239224499150,12cyclictest2728482-21taskset23:26:143
239224499150,12cyclictest2652151-21chrt22:30:113
239224499150,12cyclictest2484159-21chrt20:15:433
239224499150,11cyclictest2554381-21taskset21:10:213
307598140,10rtkit-daemon2421707-21cut19:30:152
24988132140,4sleep22499935-21kthreadcore20:30:172
239224499141,11cyclictest2645229-21taskset22:21:383
239224499141,11cyclictest2638785-21taskset22:16:253
239224499141,11cyclictest2426745-21taskset19:33:343
307598120,8rtkit-daemon3256-21sendmail-mta21:06:452
27748522121,3sleep12774885-21apt-get00:10:091
25982902120,2sleep244-21ksoftirqd/221:45:182
24907212129,1sleep02419915-21kworker/0:2+kacpid20:22:100
307598110,7rtkit-daemon493-21gmain21:38:252
307598110,7rtkit-daemon468-21systemd-logind21:58:442
307598110,7rtkit-daemon3333005-21packagekitd20:00:032
307598110,5rtkit-daemon2677788-21apt-get22:50:122
307598110,3rtkit-daemon217-21plymouthd00:02:082
307598110,3rtkit-daemon0-21swapper/219:06:502
27809902111,7sleep0217-21plymouthd00:15:000
27085242110,8sleep22708662-21awk23:10:342
26716312110,8sleep02671820-21if_eno222:45:160
26461592110,8sleep22646884-21sed22:25:142
26393472112,5sleep12639380-21apt-get22:20:131
25884852110,1sleep10-21swapper/121:40:151
24586132111,7sleep02458614-21sshd19:56:280
239224499119,1cyclictest0-21swapper/319:10:003
307598100,6rtkit-daemon714-21snmpd23:59:512
307598100,6rtkit-daemon3256-21sendmail-mta20:46:122
307598100,6rtkit-daemon3256-21sendmail-mta19:53:322
307598100,6rtkit-daemon3256-21sendmail-mta00:35:272
307598100,5rtkit-daemon217-21plymouthd19:20:292
307598100,4rtkit-daemon2549585-21cut21:10:152
307598100,1rtkit-daemon0-21swapper/220:17:372
28109542100,3sleep02811953-21memory00:35:210
27732852100,2sleep00-21swapper/000:00:260
27278542100,7sleep12727931-21/usr/sbin/munin23:25:211
25030762104,3sleep02503225-21timerwakeupswit20:30:220
24848122100,7sleep12484968-21/usr/sbin/munin20:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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