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2026-08-20 - 11:14
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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 Thu Aug 20, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3162721320,1sleep22932099cyclictest21:11:002
1591521110,4sleep32932199cyclictest00:11:363
1755421090,1sleep017549-21seq22:07:210
2471321010,2sleep10-21swapper/123:58:041
70842960,1sleep07074-21sshd23:21:510
262462940,0sleep00-21swapper/023:15:020
38822910,2sleep20-21swapper/222:14:572
238232910,2sleep10-21swapper/100:35:141
11862900,1sleep00-21swapper/022:29:130
97042890,1sleep30-21swapper/321:52:173
172702880,1sleep20-21swapper/221:38:462
250732860,3sleep02931899cyclictest21:48:020
238732840,1sleep10-21swapper/123:32:021
84342830,2sleep20-21swapper/223:45:052
268832830,2sleep226880-21sshd23:09:192
13002830,2sleep10-21swapper/121:34:271
109262830,1sleep010923-21sshd23:28:040
138962820,4sleep12931999cyclictest22:27:251
95922810,1sleep30-21swapper/323:30:443
46702810,2sleep20-21swapper/222:32:202
2899728111,58sleep30-21swapper/319:09:143
281372810,2sleep328123-21sshd21:10:413
261732810,0sleep00-21swapper/023:37:580
177812810,2sleep30-21swapper/322:56:533
2882728033,43sleep10-21swapper/119:07:041
222262800,2sleep122225-21sshd00:20:431
162312790,2sleep316227-21sshd21:41:343
82922780,2sleep18293-21bash00:16:381
82922780,2sleep18293-21bash00:16:381
76962780,2sleep17689-21bash22:12:221
326592780,3sleep30-21swapper/322:20:273
293602770,0sleep00-21swapper/022:31:380
134192770,1sleep30-21swapper/320:55:193
266632760,2sleep226658-21sshd00:24:062
93802750,1sleep29379-21bash23:16:202
234172740,3sleep10-21swapper/121:45:061
311162730,2sleep331112-21bash23:12:283
308452730,1sleep10-21swapper/123:06:451
241312700,2sleep30-21swapper/323:46:233
171452690,2sleep117144-21bash22:30:301
54002620,3sleep05380-21sshd21:40:350
295162610,3sleep22932099cyclictest00:15:352
295162610,3sleep22932099cyclictest00:15:352
2878225733,13sleep00-21swapper/019:06:310
2889225532,9sleep20-21swapper/219:07:522
316112420,40sleep1144650irq/27-eth000:27:221
96402370,3sleep29642-21sshd21:23:152
180182360,33sleep2144650irq/27-eth000:00:252
287182350,33sleep1144650irq/27-eth022:55:041
286632322,27sleep1144650irq/27-eth000:01:211
325492300,3sleep10-21swapper/100:13:071
20292290,3sleep30-21swapper/323:58:573
116742290,1sleep02512-21runrttasks23:42:270
48552260,24sleep3144650irq/27-eth022:00:313
138192260,4sleep12931999cyclictest21:52:381
53312250,23sleep3144650irq/27-eth021:49:103
322772250,2sleep30-21swapper/323:24:153
311382250,23sleep2144650irq/27-eth000:10:112
29318992522,2cyclictest7022-21sshd23:47:520
228622250,23sleep2144650irq/27-eth021:45:032
49302240,2sleep14926-21sshd21:11:311
244572240,22sleep2144650irq/27-eth022:28:242
216622240,2sleep30-21swapper/322:42:393
200252240,1sleep020018-21sshd00:14:530
168682240,2sleep216867-21sshd22:39:092
77892230,3sleep30-21swapper/322:06:283
43452230,1sleep20-21swapper/223:41:452
288082230,5sleep10-21swapper/123:35:201
94242220,3sleep30-21swapper/323:42:143
55172220,20sleep3144650irq/27-eth000:02:123
5502220,20sleep128950irq/26-ahci[00022:52:241
2932099226,10cyclictest12259-21sshd22:47:442
209002220,1sleep10-21swapper/123:51:581
195682220,0sleep00-21swapper/022:36:270
188592220,1sleep018857-21bash21:53:060
2932099216,2cyclictest144650irq/27-eth021:40:152
20432210,2sleep10-21swapper/122:20:371
2932099205,9cyclictest2024-21nfsd23:13:202
2932099204,3cyclictest28744-21bash23:38:122
2931999205,11cyclictest25-21rcuop/121:58:081
2931899209,7cyclictest0-21swapper/021:29:290
267422200,2sleep30-21swapper/323:15:053
162052200,1sleep016186-21sshd23:54:290
2932099193,2cyclictest18531-21sshd00:37:412
2932099192,15cyclictest24156-21sshd23:29:162
2932099192,10cyclictest0-21swapper/222:54:362
2931999195,5cyclictest17879-21sshd23:22:501
2931999190,14cyclictest379-21sshd21:16:451
2932199188,8cyclictest9708-21sshd22:15:203
29321991813,3cyclictest18302-21bash21:27:033
2932199180,17cyclictest0-21swapper/322:48:273
2932199180,12cyclictest0-21swapper/321:35:103
2932099186,4cyclictest3046-21sshd22:09:032
2932099183,2cyclictest26020-21cp22:02:252
2932099182,14cyclictest10713-21diskstats21:55:142
29319991810,6cyclictest18561-21sshd23:14:201
2931999180,13cyclictest0-21swapper/123:44:411
2931899188,4cyclictest21830-21sshd23:34:470
213762180,4sleep12931999cyclictest00:32:091
293622170,1sleep00-21swapper/000:21:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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