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2025-12-10 - 19:05
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack4slot1.osadl.org (updated Wed Dec 10, 2025 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2667529490,1sleep012-21ksoftirqd/007:11:250
2667529490,1sleep012-21ksoftirqd/007:11:250
2655121720,4sleep30-21swapper/307:11:243
2655121720,4sleep30-21swapper/307:11:243
692821500,3sleep30-21swapper/311:22:373
692821500,3sleep30-21swapper/311:22:373
2959121410,3sleep10-21swapper/111:51:131
785621180,3sleep20-21swapper/209:13:522
146892980,2sleep20-21swapper/209:22:522
118462940,2chrt11819-21/usr/sbin/munin08:01:091
42922900,3sleep227-21ksoftirqd/212:00:142
42922900,3sleep227-21ksoftirqd/212:00:142
186452800,3sleep218648-21cpuspeed10:11:112
186452800,3sleep218648-21cpuspeed10:11:112
8472740,3sleep20-21swapper/212:36:112
8472740,3sleep20-21swapper/212:36:112
255642710,3chrt24686-21/usr/sbin/munin12:26:182
255642710,3chrt24686-21/usr/sbin/munin12:26:182
16572650,2sleep21656-21sendmail-msp09:00:582
288692640,4sleep10-21swapper/111:10:251
288692640,4sleep10-21swapper/111:10:251
308682610,2sleep10-21swapper/108:51:121
308682610,2sleep10-21swapper/108:51:121
308682610,2sleep10-21swapper/108:51:121
264712607,39sleep226550-21timerwakeupswit07:11:242
264712607,39sleep226550-21timerwakeupswit07:11:242
255372590,3sleep10-21swapper/107:11:111
255372590,3sleep10-21swapper/107:11:111
220222590,3sleep222023-21cron11:00:582
318332580,4sleep10-21swapper/107:26:171
318332580,4sleep10-21swapper/107:26:171
92042570,2sleep10-21swapper/109:57:391
92042570,2sleep10-21swapper/109:57:391
290962550,3chrt73-21kswapd012:31:111
290962550,3chrt73-21kswapd012:31:111
301222510,1sleep030214-21/usr/sbin/munin10:26:130
301222510,1sleep030214-21/usr/sbin/munin10:26:130
180052500,3sleep30-21swapper/310:10:273
130172500,4chrt0-21swapper/310:46:163
130172500,4chrt0-21swapper/310:46:163
72572480,2sleep30-21swapper/312:03:323
72572480,2sleep30-21swapper/312:03:323
253922460,3sleep10-21swapper/111:05:161
253922460,3sleep10-21swapper/111:05:161
195922460,3sleep10-21swapper/109:30:061
195922460,3sleep10-21swapper/109:30:061
258762450,3sleep10-21swapper/109:37:301
258762450,3sleep10-21swapper/109:37:301
83892440,3sleep30-21swapper/309:14:533
197832430,4sleep30-21swapper/312:20:003
197832430,4sleep30-21swapper/312:20:003
7402420,3sleep00-21swapper/008:56:300
36202420,4sleep30-21swapper/312:39:093
36202420,4sleep30-21swapper/312:39:093
278842420,4sleep30-21swapper/312:29:453
278842420,4sleep30-21swapper/312:29:453
152482420,9sleep121-21ksoftirqd/111:32:361
152482420,9sleep121-21ksoftirqd/111:32:361
125402420,3chrt0-21swapper/208:01:182
69652400,3chrt0-21swapper/210:38:232
69652400,3chrt0-21swapper/210:38:232
316532400,3sleep20-21swapper/210:28:022
316532400,3sleep20-21swapper/210:28:022
43002380,3sleep10-21swapper/109:51:201
154372380,2sleep115443-21ssh10:50:291
154372380,2sleep115443-21ssh10:50:291
299962370,2sleep030088-21gzip11:51:170
237722370,2sleep20-21swapper/209:35:462
129922360,3sleep20-21swapper/211:31:002
129922360,3sleep20-21swapper/211:31:002
26789993519,2cyclictest21-21ksoftirqd/111:26:111
26789993519,2cyclictest21-21ksoftirqd/111:26:111
2679099348,5cyclictest27-21ksoftirqd/211:31:102
2679099348,5cyclictest27-21ksoftirqd/211:31:102
9832330,3sleep00-21swapper/010:31:100
293332330,1sleep229338-21ssh10:25:342
293332330,1sleep229338-21ssh10:25:342
309292320,2sleep00-21swapper/011:11:410
309292320,2sleep00-21swapper/011:11:410
205922320,3sleep20-21swapper/208:21:232
205922320,3sleep20-21swapper/208:21:232
26789993116,4cyclictest21-21ksoftirqd/108:26:121
309222290,2sleep230931-21ssh12:32:342
309222290,2sleep230931-21ssh12:32:342
2679099290,4cyclictest27-21ksoftirqd/211:36:202
2679099290,4cyclictest27-21ksoftirqd/211:36:202
26788992917,6cyclictest12-21ksoftirqd/012:31:460
26788992917,6cyclictest12-21ksoftirqd/012:31:460
2679099285,7cyclictest27-21ksoftirqd/207:51:242
2679099285,7cyclictest27-21ksoftirqd/207:51:242
2679099285,5cyclictest27-21ksoftirqd/210:16:222
2679099285,5cyclictest27-21ksoftirqd/210:16:222
2679099283,6cyclictest27-21ksoftirqd/211:21:112
2679099283,6cyclictest27-21ksoftirqd/211:21:112
2679099283,4cyclictest27-21ksoftirqd/209:26:192
2679099283,4cyclictest27-21ksoftirqd/209:26:192
2679099281,6cyclictest27-21ksoftirqd/209:16:122
2679099281,6cyclictest27-21ksoftirqd/209:16:122
2678899288,10cyclictest542-21snmpd11:07:110
2678899288,10cyclictest542-21snmpd11:07:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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