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2025-07-02 - 18:02
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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 rackcslot4.osadl.org (updated Wed Jul 02, 2025 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19993072270197,28sleep10-21swapper/107:08:271
19979412267197,55sleep00-21swapper/007:05:200
205767521350,5sleep10-21swapper/109:20:381
21569622770,1chrt2156131-21/usr/sbin/munin11:30:220
21901732670,4sleep10-21swapper/112:14:181
125899570,3rtkit-daemon0-21swapper/008:00:280
125899550,3rtkit-daemon0-21swapper/008:15:550
125899540,3rtkit-daemon0-21swapper/009:53:190
125899530,4rtkit-daemon1257-21rtkit-daemon11:28:290
125899530,4rtkit-daemon1257-21rtkit-daemon10:22:290
125899530,4rtkit-daemon1257-21rtkit-daemon10:15:210
125899530,4rtkit-daemon1257-21rtkit-daemon10:05:540
125899530,4rtkit-daemon1257-21rtkit-daemon10:04:200
125899530,3rtkit-daemon0-21swapper/007:57:320
125899520,4rtkit-daemon1257-21rtkit-daemon09:56:350
125899520,4rtkit-daemon1257-21rtkit-daemon07:42:490
125899520,3rtkit-daemon1257-21rtkit-daemon10:10:230
125899520,3rtkit-daemon0-21swapper/007:51:420
125899520,3rtkit-daemon0-21swapper/007:47:480
125899520,3rtkit-daemon0-21swapper/007:10:180
125899520,1rtkit-daemon1257-21rtkit-daemon12:22:320
20166952510,1chrt2016694-21/usr/sbin/munin07:50:211
125899510,4rtkit-daemon1257-21rtkit-daemon11:08:490
125899510,4rtkit-daemon1257-21rtkit-daemon09:46:360
125899510,3rtkit-daemon0-21swapper/008:10:500
125899500,4rtkit-daemon1257-21rtkit-daemon11:38:530
125899500,4rtkit-daemon1257-21rtkit-daemon10:58:440
125899500,4rtkit-daemon1257-21rtkit-daemon10:43:570
125899500,1rtkit-daemon1257-21rtkit-daemon11:45:030
125899490,7rtkit-daemon1257-21rtkit-daemon07:25:171
125899490,6rtkit-daemon1257-21rtkit-daemon11:40:151
125899490,6rtkit-daemon1257-21rtkit-daemon11:40:151
125899490,4rtkit-daemon1257-21rtkit-daemon10:35:300
125899490,4rtkit-daemon1257-21rtkit-daemon09:01:550
125899490,4rtkit-daemon1257-21rtkit-daemon08:48:510
125899490,2rtkit-daemon1257-21rtkit-daemon09:21:150
125899480,4rtkit-daemon1257-21rtkit-daemon08:32:070
125899470,4rtkit-daemon1257-21rtkit-daemon11:01:440
125899470,2rtkit-daemon1257-21rtkit-daemon09:38:380
125899470,1rtkit-daemon1257-21rtkit-daemon11:56:160
125899450,4rtkit-daemon1257-21rtkit-daemon12:31:530
125899450,3rtkit-daemon1257-21rtkit-daemon08:59:000
125899450,3rtkit-daemon0-21swapper/111:49:281
125899450,1rtkit-daemon1257-21rtkit-daemon10:49:230
125899440,1rtkit-daemon1257-21rtkit-daemon08:51:380
125899430,3rtkit-daemon0-21swapper/107:32:061
125899430,1rtkit-daemon1257-21rtkit-daemon10:30:450
125899420,1rtkit-daemon1257-21rtkit-daemon10:28:440
125899420,1rtkit-daemon1257-21rtkit-daemon07:20:530
125899410,3rtkit-daemon0-21swapper/108:21:051
125899410,3rtkit-daemon0-21swapper/107:20:111
125899410,13rtkit-daemon0-21swapper/108:29:470
125899400,3rtkit-daemon0-21swapper/107:18:331
125899400,14rtkit-daemon0-21swapper/112:29:120
125899390,8rtkit-daemon2022410-21cstates08:05:170
125899390,3rtkit-daemon0-21swapper/011:24:031
125899390,3rtkit-daemon0-21swapper/007:57:511
125899390,13rtkit-daemon0-21swapper/112:00:520
125899380,12rtkit-daemon0-21swapper/110:50:530
125899380,12rtkit-daemon0-21swapper/107:37:380
21199912360,3sleep10-21swapper/110:42:351
125899360,13rtkit-daemon0-21swapper/109:30:330
125899360,13rtkit-daemon0-21swapper/108:42:330
125899360,13rtkit-daemon0-21swapper/108:42:330
125899350,3rtkit-daemon0-21swapper/012:39:551
125899340,2rtkit-daemon1257-21rtkit-daemon12:35:220
199956299311,7cyclictest2047883-21diskmemload12:20:171
125899310,4rtkit-daemon1257-21rtkit-daemon12:06:520
199955899308,13cyclictest2008112-21apt-get07:30:150
125899300,3rtkit-daemon0-21swapper/008:11:371
1999562992917,7cyclictest2102208-40apt-check10:20:111
1999562992915,8cyclictest2094512-21apt-get10:10:151
199955899291,7cyclictest2163788-21apt-get11:40:160
199955899291,7cyclictest2163788-21apt-get11:40:160
125899290,3rtkit-daemon0-21swapper/107:26:260
125899290,3rtkit-daemon0-21swapper/012:34:131
199956299272,17cyclictest2137320-21apt-get11:05:181
199956299263,17cyclictest2090602-21apt-get10:05:161
199956299260,6cyclictest2047883-21diskmemload12:15:131
1999558992612,7cyclictest2002239-21apt-get07:15:140
199956299259,6cyclictest26-21ksoftirqd/107:44:291
199956299251,7cyclictest2047883-21diskmemload10:15:161
199956299251,20cyclictest2128645-21python310:55:011
199956299251,18cyclictest2075236-21apt-get09:45:151
199956299250,6cyclictest0-21swapper/108:53:241
1999558992511,8cyclictest2140453-1kworker/u9:011:15:140
1999562992411,4cyclictest26-21ksoftirqd/109:15:241
199956299240,6cyclictest0-21swapper/111:51:441
199956299240,5cyclictest0-21swapper/107:45:551
199955899242,15cyclictest2028544-21apt-get08:20:120
1999558992416,5cyclictest2063054-21ssh09:29:180
199955899240,8cyclictest2053173-21ssh09:15:240
125899240,1rtkit-daemon1257-21rtkit-daemon11:24:080
199956299237,9cyclictest2063668-21apt-get09:30:141
199956299233,12cyclictest2059967-21apt-get09:25:151
199956299232,14cyclictest2159924-21apt-get11:35:131
1999562992311,7cyclictest2121444-21apt-get10:45:141
199956299230,6cyclictest0-21swapper/112:27:321
199956299230,6cyclictest0-21swapper/111:58:251
199956299230,6cyclictest0-21swapper/110:39:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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