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2026-06-26 - 15:59
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Fri Jun 26, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2185921000,0sleep30-21swapper/312:17:103
134412990,8sleep51915399cyclictest10:50:545
78432740,2sleep01913699cyclictest10:27:580
265732740,0sleep20-21swapper/212:06:032
265732740,0sleep20-21swapper/212:06:032
26072590,0sleep12606-21systemd-cgroups09:31:121
105942540,0sleep50-21swapper/510:12:575
81142510,1sleep68112-21grepconf.sh10:54:236
1897825026,8sleep60-21swapper/607:07:296
1897825026,8sleep60-21swapper/607:07:296
326332490,0sleep20-21swapper/210:21:592
90282470,0sleep40-21swapper/409:57:514
186062470,1sleep557-21ksoftirqd/511:12:085
162222470,1sleep716224-21kworker/u16:011:21:317
43502460,2sleep51915399cyclictest12:10:315
305832460,0sleep10-21swapper/110:08:291
305832460,0sleep10-21swapper/110:08:291
167692460,0sleep50-21swapper/509:58:165
5112450,0sleep20-21swapper/209:38:262
315662450,0sleep60-21swapper/609:42:156
311772440,0sleep30-21swapper/309:12:163
1866124432,8sleep70-21swapper/707:03:137
1866124432,8sleep70-21swapper/707:03:137
110852440,0sleep00-21swapper/010:37:350
218272430,0sleep40-21swapper/411:21:524
177882430,0sleep50-21swapper/511:57:425
284762420,1sleep628473-21bash10:38:296
18892420,0sleep70-21swapper/711:45:187
134152420,0sleep50-21swapper/509:29:565
1894524128,9sleep00-21swapper/007:06:590
1894524128,9sleep00-21swapper/007:06:590
43982400,0sleep70-21swapper/712:23:467
273942400,0sleep30-21swapper/311:29:363
1886324026,9sleep20-21swapper/207:05:572
1886324026,9sleep20-21swapper/207:05:572
1875824028,9sleep40-21swapper/407:04:304
1875824028,9sleep40-21swapper/407:04:304
1874824027,9sleep30-21swapper/307:04:213
1874824027,9sleep30-21swapper/307:04:213
155882400,0sleep10-21swapper/112:09:151
116532400,0sleep30-21swapper/311:45:543
72922390,0sleep67293-21sshd12:37:316
1889523928,8sleep10-21swapper/107:06:201
1889523928,8sleep10-21swapper/107:06:201
1876823927,8sleep50-21swapper/507:04:395
1876823927,8sleep50-21swapper/507:04:395
131092390,0sleep00-21swapper/011:19:240
45432380,0sleep70-21swapper/711:11:147
242092380,0sleep60-21swapper/609:21:086
114542380,0sleep20-21swapper/209:57:572
19137992810,2cyclictest25-21ksoftirqd/111:43:381
1913799269,2cyclictest25-21ksoftirqd/112:27:301
1914199240,2cyclictest24485-21systemd11:25:434
1913799237,1cyclictest25-21ksoftirqd/111:15:091
1913799221,3cyclictest25-21ksoftirqd/111:58:491
1913799218,1cyclictest25-21ksoftirqd/111:19:101
1913799217,2cyclictest25-21ksoftirqd/109:24:501
1913799217,1cyclictest25-21ksoftirqd/112:15:541
1913799217,1cyclictest25-21ksoftirqd/110:58:201
1913799216,2cyclictest25-21ksoftirqd/109:15:241
1913799214,3cyclictest25-21ksoftirqd/111:07:241
19137992116,3cyclictest25-21ksoftirqd/109:48:321
19137992115,3cyclictest25-21ksoftirqd/109:07:591
19137992110,1cyclictest25-21ksoftirqd/112:18:551
1914199203,7cyclictest1-21systemd10:18:234
1914199200,1cyclictest0-21swapper/410:58:324
1913799209,1cyclictest25-21ksoftirqd/112:31:231
19137992016,3cyclictest25-21ksoftirqd/109:39:501
19137992013,3cyclictest25-21ksoftirqd/109:54:231
19159991918,1cyclictest73-21ksoftirqd/712:37:127
1914199194,6cyclictest24130-21sshd11:29:254
1914199192,7cyclictest31876-21sshd12:04:234
1914199192,7cyclictest31876-21sshd12:04:234
1914199190,1cyclictest0-21swapper/409:27:554
1913799199,1cyclictest25-21ksoftirqd/110:03:011
1913799198,1cyclictest25-21ksoftirqd/110:29:121
1913799197,1cyclictest25-21ksoftirqd/109:44:101
1913799195,1cyclictest25-21ksoftirqd/110:52:501
1913799192,3cyclictest25-21ksoftirqd/111:51:031
19137991916,1cyclictest25-21ksoftirqd/110:25:481
66702180,0sleep60-21swapper/609:25:416
245482180,0sleep20-21swapper/209:09:432
1914199182,7cyclictest16285-21sd-pam11:36:364
1913799188,1cyclictest25-21ksoftirqd/109:17:341
1913799186,1cyclictest25-21ksoftirqd/111:33:431
1913799186,1cyclictest25-21ksoftirqd/110:02:181
1913799184,3cyclictest25-21ksoftirqd/111:24:051
1913799183,1cyclictest25-21ksoftirqd/110:22:311
19137991815,2cyclictest464-21systemd-journal12:02:551
19137991815,2cyclictest464-21systemd-journal12:02:551
19137991812,3cyclictest25-21ksoftirqd/112:33:041
19159991715,1cyclictest73-21ksoftirqd/711:30:327
19158991716,1cyclictest65-21ksoftirqd/609:29:446
19158991713,1cyclictest65-21ksoftirqd/612:24:336
1914199171,2cyclictest14100-21grepconf.sh09:26:074
1914199170,2cyclictest721-21dbus-daemon10:28:484
1914199170,2cyclictest1-21systemd10:23:414
1914199170,1cyclictest0-21swapper/412:10:594
1914199170,1cyclictest0-21swapper/411:45:314
1914199170,1cyclictest0-21swapper/410:34:254
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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