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2026-08-15 - 05:35
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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 rack5slot0.osadl.org (updated Sat Aug 15, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3239621320,2sleep332395-21sshd23:57:563
1438521230,2sleep114373-21sshd00:39:461
1299821230,1sleep30-21swapper/321:25:233
567721140,1sleep30-21swapper/322:04:503
12079211432,44sleep10-21swapper/119:09:311
217742940,1sleep00-21swapper/021:17:450
34302930,1sleep03425-21sshd22:07:360
206782920,0sleep041ktimersoftd/021:11:370
71342900,1sleep01238099cyclictest21:24:590
216862890,3sleep20-21swapper/222:55:442
18172890,4sleep20-21swapper/223:49:252
152262890,1sleep015225-21sshd21:48:400
294342880,1sleep20-21swapper/221:58:242
212612880,2sleep321259-21sshd22:23:543
157612870,3sleep315759-21sshd22:37:493
270922860,2sleep127083-21sshd21:12:131
54082850,2sleep15393-21sshd21:35:591
54082850,2sleep15393-21sshd21:35:591
81142840,4sleep11238199cyclictest22:31:251
148802840,2sleep114877-21sshd23:12:371
198302830,2sleep30-21swapper/300:37:203
14632830,2sleep21440-21strings00:15:192
36232820,1sleep012379-21cyclictest23:17:210
264602820,2sleep326463-21id23:13:403
25552820,2sleep10-21swapper/122:01:401
45672810,2sleep14563-21bash23:17:261
152332800,2sleep315222-21sshd23:47:433
150242800,0sleep015017-21sshd22:02:470
1186828033,43sleep30-21swapper/319:06:493
266142790,2sleep226593-21sshd23:36:562
108012790,1sleep010796-21sshd00:33:400
179542780,1sleep117957-21id23:01:241
252732770,1sleep00-21swapper/023:34:000
107952770,2sleep00-21swapper/023:50:120
6112760,2sleep2601-21sshd21:47:222
238912760,1sleep023890-21bash22:12:370
199322760,2sleep20-21swapper/223:15:522
85042740,1sleep31238399cyclictest00:21:403
48642740,1sleep30-21swapper/322:48:313
1193627432,12sleep20-21swapper/219:07:402
3232710,1sleep10-21swapper/100:26:481
225452650,1sleep30-21swapper/323:36:323
69682640,1sleep20-21swapper/223:44:082
192002580,2sleep31238399cyclictest23:33:283
1210725632,13sleep00-21swapper/019:09:500
234352380,2sleep123434-21sshd21:17:541
159862370,3sleep30-21swapper/323:18:283
43662360,2sleep24363-21sshd00:06:562
148882360,0sleep314890-21id23:50:273
43642330,0sleep34365-21sshd23:00:133
245012311,28sleep3144650irq/27-eth000:26:033
19242300,1sleep01918-21sshd22:30:530
14912290,27sleep3144650irq/27-eth022:19:143
279532280,1sleep02024-21nfsd22:41:580
63322270,25sleep2144650irq/27-eth022:42:572
125842270,2sleep212572-21perl22:20:122
157702250,2sleep12512-21runrttasks22:05:371
84002231,20sleep2144650irq/27-eth021:25:062
128282230,2sleep20-21swapper/200:10:302
1238299237,3cyclictest0-21swapper/223:52:192
219992220,20sleep328950irq/26-ahci[00023:27:483
1238299225,3cyclictest0-21swapper/221:31:512
1238299225,3cyclictest0-21swapper/221:31:512
1238299224,3cyclictest19513-21sshd22:17:552
4822212,17sleep328950irq/26-ahci[00021:35:343
4822212,17sleep328950irq/26-ahci[00021:35:333
251652210,1sleep00-21swapper/022:24:150
250622210,19sleep1144650irq/27-eth022:35:431
158172210,2sleep30-21swapper/322:08:513
1238099213,1cyclictest0-21swapper/022:53:530
242962201,16sleep1144650irq/27-eth023:36:441
201992200,2sleep120196-21sshd22:52:491
173102200,2sleep317306-21sshd21:14:293
1238399200,15cyclictest0-21swapper/321:44:243
12381992015,4cyclictest17556-21sshd23:45:061
1238099206,1cyclictest32610-21idleruntime-cro19:55:010
1238099203,11cyclictest3-21ksoftirqd/023:23:010
1238099201,5cyclictest0-21swapper/000:25:480
314712190,4sleep20-21swapper/223:57:522
1238299191,6cyclictest22442-21sshd21:37:392
1238299191,6cyclictest22442-21sshd21:37:382
1238299191,17cyclictest0-21swapper/220:29:572
1238199190,12cyclictest28160-21sshd21:46:551
1238099198,4cyclictest0-21swapper/023:03:070
1238099190,1cyclictest31045-21sshd00:12:120
1238099190,18cyclictest26448-21sshd23:28:140
1238099190,12cyclictest0-21swapper/021:51:050
1238399188,5cyclictest6046-21sshd21:50:353
1238399181,15cyclictest16226-21cp21:17:163
1238399180,13cyclictest16010-21sshd22:58:113
1238299186,9cyclictest4400-21sshd00:24:212
1238299181,4cyclictest23974-21sshd22:26:552
1238299180,6cyclictest10580-21sshd00:33:392
1238199189,3cyclictest19344-21sshd22:23:431
1238199188,4cyclictest20381-21sshd23:59:471
1238199183,9cyclictest18106-21sshd21:54:371
1238199183,13cyclictest31144-21sshd21:32:391
1238199183,13cyclictest31144-21sshd21:32:381
1238199181,15cyclictest21798-21sshd00:23:001
1238199180,13cyclictest144650irq/27-eth021:25:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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