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2025-09-18 - 23:21
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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 rack0slot0.osadl.org (updated Thu Sep 18, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96062830,1sleep69600-21sshd09:34:196
130642830,2sleep00-21swapper/009:53:380
313202820,1sleep10-21swapper/111:49:191
150932810,1sleep1231ktimersoftd/109:20:431
150932810,1sleep1231ktimersoftd/109:20:431
10062790,1sleep40-21swapper/411:49:394
204032780,1sleep3401rcuc/309:21:353
204032780,1sleep3401rcuc/309:21:353
144762770,0sleep50-21swapper/510:36:055
6092760,0sleep00-21swapper/011:11:430
271302760,0sleep70-21swapper/709:41:267
284282750,0sleep60-21swapper/611:06:216
70362740,0sleep50-21swapper/512:04:305
187272740,1sleep618726-21sshd11:52:056
182252720,0sleep60-21swapper/609:16:336
182252720,0sleep60-21swapper/609:16:326
41112710,0sleep50-21swapper/510:30:045
41112710,0sleep50-21swapper/510:30:045
322602710,0sleep00-21swapper/010:20:050
29242700,0sleep10-21swapper/110:25:121
155502610,4sleep61129899cyclictest12:33:416
1099625949,6sleep40-21swapper/407:09:244
1098425949,6sleep30-21swapper/307:09:163
900025743,9sleep60-21swapper/607:05:096
291252560,0sleep40-21swapper/411:11:074
1085525332,6sleep50-21swapper/507:07:405
1081025040,6sleep70-21swapper/707:07:117
1074924927,7sleep20-21swapper/207:06:182
1087024825,6sleep10-21swapper/107:07:531
1070224332,7sleep00-21swapper/007:05:430
174332220,0sleep00-21swapper/009:11:370
31662210,0sleep50-21swapper/509:19:115
31662210,0sleep50-21swapper/509:19:115
271212210,2sleep31127899cyclictest11:01:283
323382200,1sleep70-21swapper/711:35:077
269712200,1sleep126970-21sshd10:14:381
20902200,0sleep50-21swapper/510:25:085
183852200,1sleep1221rcuc/111:37:411
90442190,1sleep7761rcuc/712:18:437
11268991917,1cyclictest1809-21id11:16:321
96772180,0sleep00-21swapper/009:39:030
62182180,0sleep20-21swapper/209:24:222
62182180,0sleep20-21swapper/209:24:222
49212180,1sleep44920-21bash09:14:454
268902180,1sleep124-21ksoftirqd/111:01:271
250512180,1sleep30-21swapper/309:55:173
119132180,0sleep70-21swapper/709:58:087
1126899180,17cyclictest0-21swapper/109:53:521
7172170,0sleep40-21swapper/409:32:584
255292170,1sleep4491rcuc/410:14:254
252192170,0sleep30-21swapper/309:36:253
1130699175,11cyclictest11580-21sshd10:16:567
11268991714,2cyclictest13109-21sshd09:44:141
97182160,0sleep50-21swapper/509:29:375
5742160,0sleep10-21swapper/110:53:001
40742160,1sleep44077-21bash12:13:184
278542160,0sleep60-21swapper/611:15:346
250302160,1sleep21036-21runrttasks10:04:532
11268991612,2cyclictest662-21gdbus10:06:281
1126199160,14cyclictest0-21swapper/010:00:350
267222150,0sleep70-21swapper/712:07:137
209362150,1sleep778-21ksoftirqd/712:10:577
189732150,0sleep00-21swapper/011:33:080
144062150,0sleep60-21swapper/611:04:286
1130699150,13cyclictest1-21systemd10:42:057
1130699150,13cyclictest1-21systemd10:42:057
1129899150,13cyclictest0-21swapper/611:38:316
1129899150,13cyclictest0-21swapper/609:55:086
1128599150,13cyclictest0-21swapper/412:34:004
1127899150,3cyclictest0-21swapper/309:47:303
1127899150,13cyclictest0-21swapper/310:53:393
1127299150,1cyclictest0-21swapper/209:39:092
1127299150,14cyclictest0-21swapper/209:14:552
1126899150,2cyclictest0-21swapper/112:15:221
1126199150,13cyclictest0-21swapper/011:42:510
123162140,0sleep40-21swapper/410:54:494
11298991411,1cyclictest0-21swapper/611:59:456
11298991410,2cyclictest0-21swapper/610:30:546
11298991410,2cyclictest0-21swapper/610:30:546
1129899140,2cyclictest0-21swapper/609:27:276
1129899140,12cyclictest0-21swapper/612:12:076
1129899140,12cyclictest0-21swapper/610:52:406
1129099140,2cyclictest0-21swapper/510:05:055
1129099140,12cyclictest0-21swapper/509:44:555
1128599140,2cyclictest660-21dbus-daemon10:42:344
1128599140,2cyclictest660-21dbus-daemon10:42:344
11272991412,1cyclictest0-21swapper/210:35:122
1127299140,13cyclictest0-21swapper/211:52:292
1127299140,12cyclictest0-21swapper/211:10:262
1126899140,13cyclictest0-21swapper/109:46:001
134692130,0sleep50-21swapper/510:12:345
1130699130,1cyclictest0-21swapper/711:56:417
1130699130,12cyclictest20328-21bash12:29:447
1130699130,12cyclictest0-21swapper/712:37:567
1130699130,12cyclictest0-21swapper/711:44:277
1130699130,12cyclictest0-21swapper/711:17:507
1130699130,12cyclictest0-21swapper/710:53:147
1130699130,12cyclictest0-21swapper/709:24:157
1130699130,12cyclictest0-21swapper/709:24:157
1130699130,12cyclictest0-21swapper/708:05:217
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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