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2026-04-30 - 16:14
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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 Thu Apr 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201572750,0sleep40-21swapper/409:16:124
192702730,0sleep20-21swapper/209:58:392
11509997012,58cyclictest0-21swapper/512:07:465
279082690,0sleep50-21swapper/509:38:475
1149599610,60cyclictest25399-21kworker/3:112:07:453
221922590,0sleep50-21swapper/511:12:185
108832550,3sleep2321ktimersoftd/212:32:332
171672530,0sleep50-21swapper/509:32:395
11518995251,1cyclictest65-21ksoftirqd/612:07:466
269982510,0sleep00-21swapper/011:55:460
1106925026,9sleep50-21swapper/507:05:465
87892490,0sleep70-21swapper/710:56:267
87892490,0sleep70-21swapper/710:56:267
1123624925,9sleep20-21swapper/207:08:072
72952470,1sleep77294-21bash10:09:097
40112470,1sleep5561ktimersoftd/512:37:485
15882470,2sleep11147999cyclictest11:05:251
213202460,0sleep60-21swapper/612:27:326
16402460,0sleep20-21swapper/212:11:262
120162460,0sleep20-21swapper/212:06:222
50442450,1sleep55039-21systemd-cgroups11:00:015
50442450,1sleep55039-21systemd-cgroups11:00:015
284722450,0sleep00-21swapper/011:35:120
67592440,1sleep76738-21bash12:37:587
42712440,0sleep70-21swapper/711:28:147
287952440,0sleep50-21swapper/511:16:275
187072440,0sleep70-21swapper/711:23:267
11479994444,0cyclictest13113-21kworker/1:112:07:461
316922430,1sleep331666-21sshd11:10:563
271702430,0sleep60-21swapper/609:29:356
182202430,2sleep11147999cyclictest11:49:471
108112430,1sleep410810-21sshd11:36:044
74942420,0sleep70-21swapper/710:37:287
211932420,1sleep233-21ksoftirqd/209:18:102
207632420,0sleep220757-21sshd10:57:102
207632420,0sleep220757-21sshd10:57:102
56272410,0sleep70-21swapper/709:13:347
305232410,1sleep31-21systemd12:01:503
234582410,0sleep40-21swapper/412:03:194
186872410,0sleep10-21swapper/110:43:471
1130424128,9sleep30-21swapper/307:09:043
1127224129,8sleep00-21swapper/007:08:370
8262400,0sleep10-21swapper/111:31:451
81612400,0sleep70-21swapper/712:21:087
69012400,0sleep70-21swapper/710:43:057
1135324027,9sleep40-21swapper/407:09:374
185572390,0sleep00-21swapper/010:24:560
164432390,0sleep60-21swapper/611:30:456
1130723928,8sleep60-21swapper/607:09:076
1108323927,9sleep10-21swapper/107:05:581
1099423927,8sleep70-21swapper/707:04:437
309282380,0sleep00-21swapper/010:46:180
250162380,0sleep30-21swapper/309:49:433
215532380,0sleep70-21swapper/709:38:257
36492370,0sleep40-21swapper/407:49:564
17762370,0sleep00-21swapper/009:20:400
37812360,0sleep50-21swapper/509:42:565
1150199300,29cyclictest28552-21kworker/4:012:07:464
1152899260,25cyclictest23686-21kworker/7:312:07:467
1150199245,2cyclictest49-21ksoftirqd/412:10:464
309492230,0sleep00-21swapper/010:08:380
1150199233,2cyclictest49-21ksoftirqd/411:29:574
1150199229,3cyclictest49-21ksoftirqd/411:27:104
1149599220,10cyclictest23346-21kill10:53:353
1151899214,1cyclictest65-21ksoftirqd/611:37:586
1150199219,3cyclictest49-21ksoftirqd/410:16:544
1150199217,1cyclictest49-21ksoftirqd/410:48:124
1150199216,3cyclictest49-21ksoftirqd/411:00:264
1150199216,3cyclictest49-21ksoftirqd/411:00:264
1150199216,2cyclictest49-21ksoftirqd/409:13:554
1150199216,1cyclictest49-21ksoftirqd/409:57:534
1149599210,8cyclictest9792-21sshd11:07:513
1149599210,2cyclictest26490-21bash09:40:293
1149599210,10cyclictest721-21dbus-daemon10:06:373
11518992017,3cyclictest65-21ksoftirqd/612:15:486
11518992016,3cyclictest65-21ksoftirqd/610:03:106
11518992016,3cyclictest65-21ksoftirqd/610:03:106
11518992015,4cyclictest65-21ksoftirqd/611:49:136
1150199206,1cyclictest49-21ksoftirqd/411:56:184
1150199204,2cyclictest49-21ksoftirqd/409:46:124
1150199203,3cyclictest49-21ksoftirqd/409:23:334
1149599200,7cyclictest6911-21bash10:35:313
66942190,0sleep00-21swapper/009:32:020
19182190,0sleep70-21swapper/709:53:557
128602190,0sleep40-21swapper/411:11:454
11518991916,1cyclictest65-21ksoftirqd/612:12:266
11518991915,3cyclictest65-21ksoftirqd/612:33:156
11518991913,4cyclictest700-21nscd10:50:306
1150199197,1cyclictest49-21ksoftirqd/410:14:224
1150199196,1cyclictest49-21ksoftirqd/410:39:584
1150199195,2cyclictest49-21ksoftirqd/412:28:584
1150199195,1cyclictest49-21ksoftirqd/410:39:304
11501991916,3cyclictest49-21ksoftirqd/409:25:364
1149599191,6cyclictest0-21swapper/312:23:383
1149599190,9cyclictest6210-21bash11:56:273
1149599190,9cyclictest32026-21systemd09:59:283
1149599190,8cyclictest10506-21systemd10:24:323
88072180,1sleep78805-21bash12:19:247
286592180,0sleep00-21swapper/011:42:490
1151899185,2cyclictest65-21ksoftirqd/610:34:506
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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