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2026-05-04 - 18:23
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Mon May 04, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23492950,2sleep31485899cyclictest11:46:553
143612710,0sleep50-21swapper/509:36:105
92102550,0sleep69213-21unixbench_singl11:29:526
92102550,0sleep69213-21unixbench_singl11:29:526
305392510,0sleep30-21swapper/311:00:413
172102510,0sleep0709-21systemd-logind12:04:460
73232500,1sleep57324-21bash10:21:515
1452825027,8sleep70-21swapper/707:07:027
5552490,0sleep70-21swapper/710:13:367
82162480,1sleep7711rcuc/709:35:477
318572480,0sleep70-21swapper/711:58:047
208782480,1sleep420852-21sshd09:17:344
170852480,0sleep50-21swapper/510:46:105
240092470,1sleep125-21ksoftirqd/112:07:031
1454824724,9sleep00-21swapper/007:07:190
231072460,0sleep6631rcuc/611:55:396
224452460,0sleep70-21swapper/711:49:557
290442450,1sleep71486999cyclictest10:36:597
263522450,0sleep00-21swapper/010:48:450
236722450,0sleep30-21swapper/310:24:453
154162450,1sleep215391-21bash09:30:302
151152450,0sleep00-21swapper/009:17:140
1267224523,17sleep50-21swapper/507:04:445
296872440,0sleep00-21swapper/009:59:590
203312440,1sleep520309-21sshd09:46:035
60242430,0sleep60-21swapper/610:08:066
321082430,1sleep665-21ksoftirqd/611:42:496
164742430,1sleep116414-21sshd09:15:231
1461924330,9sleep40-21swapper/407:08:204
124032430,0sleep60-21swapper/609:36:036
216232420,0sleep40-21swapper/411:05:474
166702420,1sleep41485999cyclictest11:59:054
148902420,1sleep214887-21systemd12:24:102
78612410,0sleep70-21swapper/710:25:457
303802410,0sleep70-21swapper/712:03:417
278042410,0sleep20-21swapper/212:05:202
13692410,1sleep01370-21sshd11:33:220
13692410,1sleep01370-21sshd11:33:220
74402400,0sleep00-21swapper/011:12:400
250002400,0sleep60-21swapper/612:15:016
201782400,0sleep60-21swapper/610:26:326
84182390,0sleep10-21swapper/110:25:471
322242390,0sleep00-21swapper/012:15:270
199022390,0sleep30-21swapper/310:58:173
1463523927,9sleep10-21swapper/107:08:331
1454123928,8sleep20-21swapper/207:07:132
1442623927,8sleep30-21swapper/307:05:383
1439323826,8sleep60-21swapper/607:05:096
136242380,0sleep30-21swapper/309:17:093
157552370,0sleep50-21swapper/510:26:155
140082360,0sleep7711rcuc/709:39:567
171152350,1sleep71486999cyclictest11:34:177
171152350,1sleep71486999cyclictest11:34:177
20272330,0sleep00-21swapper/010:41:080
53172320,0sleep40-21swapper/410:45:214
154352300,1sleep015433-21sshd10:30:110
14859992512,2cyclictest49-21ksoftirqd/411:39:304
14859992512,2cyclictest49-21ksoftirqd/411:39:304
1485999227,2cyclictest49-21ksoftirqd/410:44:044
1485999216,3cyclictest49-21ksoftirqd/409:56:074
1485999208,1cyclictest49-21ksoftirqd/411:53:134
14859992017,3cyclictest49-21ksoftirqd/410:03:314
14859992014,3cyclictest49-21ksoftirqd/411:17:254
261182190,0sleep50-21swapper/511:40:325
1485999197,4cyclictest49-21ksoftirqd/410:15:154
1485999197,3cyclictest49-21ksoftirqd/412:17:134
1485999196,1cyclictest49-21ksoftirqd/410:57:024
1485999194,3cyclictest49-21ksoftirqd/412:13:344
14859991915,3cyclictest464-21systemd-journal10:22:564
14859991915,1cyclictest49-21ksoftirqd/412:21:434
1485999191,4cyclictest49-21ksoftirqd/411:20:214
1485999190,18cyclictest13464-21kworker/4:010:24:404
1485999189,1cyclictest49-21ksoftirqd/411:31:004
1485999189,1cyclictest49-21ksoftirqd/411:31:004
1485999187,1cyclictest49-21ksoftirqd/409:35:484
1485999184,1cyclictest49-21ksoftirqd/411:03:574
1485999182,1cyclictest49-21ksoftirqd/412:07:434
14859991814,3cyclictest49-21ksoftirqd/410:39:304
14859991814,1cyclictest49-21ksoftirqd/410:08:314
14859991813,3cyclictest49-21ksoftirqd/411:40:014
14859991812,3cyclictest49-21ksoftirqd/411:24:504
14857991816,1cyclictest0-21swapper/209:39:102
78152170,0sleep10-21swapper/110:00:401
75342170,0sleep20-21swapper/212:31:152
300642170,0sleep530059-21sshd11:25:265
239082170,0sleep60-21swapper/612:09:006
1485999177,3cyclictest49-21ksoftirqd/409:47:124
1485999177,1cyclictest49-21ksoftirqd/411:59:524
1485999175,3cyclictest49-21ksoftirqd/411:45:394
1485999175,1cyclictest49-21ksoftirqd/410:11:084
1485999173,1cyclictest49-21ksoftirqd/409:31:574
1485999172,2cyclictest49-21ksoftirqd/410:50:224
14859991715,1cyclictest49-21ksoftirqd/409:51:214
14859991715,1cyclictest464-21systemd-journal11:11:064
149612160,0sleep314959-21bash11:18:593
1485999166,1cyclictest49-21ksoftirqd/409:25:354
1485999164,4cyclictest49-21ksoftirqd/410:30:334
14859991614,1cyclictest49-21ksoftirqd/412:35:234
14859991614,1cyclictest49-21ksoftirqd/409:10:024
14859991614,1cyclictest464-21systemd-journal12:31:284
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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