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2026-04-09 - 13:03
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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 Apr 09, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2219521340,3sleep2307099cyclictest21:49:372
266521330,1sleep32664-21sshd23:59:553
2816621210,3sleep0306899cyclictest00:11:020
945821160,2sleep29455-21sshd22:02:012
286762990,2sleep30-21swapper/321:53:523
115352940,0sleep00-21swapper/022:45:470
264092870,2sleep326401-21sshd22:37:043
262628633,49sleep30-21swapper/319:07:583
308202840,5sleep30-21swapper/321:17:213
258728435,44sleep10-21swapper/119:07:281
161582830,2sleep32023-21nfsd21:12:253
257652820,2sleep20-21swapper/220:00:002
45732810,2sleep30-21swapper/300:19:023
197812810,2sleep219778-21bash21:16:082
225222800,4sleep2307099cyclictest22:47:012
230482780,3sleep0306899cyclictest21:13:090
118682780,2sleep20-21swapper/221:30:262
266722760,4sleep3307199cyclictest23:47:373
15202750,2sleep10-21swapper/122:37:541
297502720,1sleep029742-21sshd00:21:410
104912720,1sleep310490-21bash23:03:293
104912720,1sleep310490-21bash23:03:293
164182710,1sleep316416-21sshd22:49:543
305902700,0sleep00-21swapper/022:11:440
258127032,9sleep20-21swapper/219:07:252
220662680,0sleep00-21swapper/021:23:470
165652670,3sleep3307199cyclictest21:59:243
265012650,3sleep2307099cyclictest23:28:122
262825833,13sleep00-21swapper/019:07:580
97212370,1sleep00-21swapper/022:24:070
160972350,0sleep00-21swapper/022:42:540
259042300,28sleep3144650irq/27-eth023:16:443
171382300,1sleep10-21swapper/121:15:501
83432290,2sleep38340-21sshd23:14:553
36682270,1sleep30-21swapper/322:59:043
216072260,3sleep20-21swapper/223:16:142
212672260,2sleep30-21swapper/300:35:413
169832260,2sleep216981-21sshd00:20:172
110782260,2sleep211079-21sshd22:28:172
74332250,0sleep00-21swapper/023:45:210
70232250,2sleep20-21swapper/221:25:502
5002250,6sleep20-21swapper/222:37:462
234642250,3sleep1306999cyclictest22:03:321
188512250,1sleep318844-21sshd23:43:123
98342240,1sleep10-21swapper/123:56:401
44042221,19sleep3144650irq/27-eth022:04:583
307099229,3cyclictest0-21swapper/200:35:232
307099222,4cyclictest17726-21sshd21:52:412
189992220,3sleep32024-21nfsd00:24:153
3070992113,7cyclictest0-21swapper/221:42:222
257842210,19sleep1144650irq/27-eth000:17:501
108282210,1sleep02112-21memcached21:26:190
307099202,13cyclictest23063-21sh21:35:092
307099201,3cyclictest6291-21sshd22:05:082
306999201,7cyclictest0-21swapper/123:35:191
257652200,0sleep025758-21sshd00:28:420
23102200,18sleep1144650irq/27-eth023:52:241
220412200,3sleep30-21swapper/322:43:333
152402200,2sleep315238-21sshd22:05:583
311292191,16sleep3144650irq/27-eth023:20:413
307199197,5cyclictest0-21swapper/321:46:403
307199196,6cyclictest0-21swapper/322:24:033
307099191,11cyclictest144650irq/27-eth022:57:162
306999199,4cyclictest2922-21sshd22:55:201
306999190,13cyclictest0-21swapper/121:44:351
179112190,2sleep117910-21sshd22:06:161
137832190,17sleep1144650irq/27-eth023:30:371
307199180,4cyclictest144650irq/27-eth000:25:173
307199180,13cyclictest0-21swapper/323:31:333
307099182,9cyclictest7540-21sshd22:31:352
307099182,14cyclictest0-21swapper/221:10:142
307099182,12cyclictest29052-21sshd22:54:432
3070991813,4cyclictest28007-21sshd22:40:362
3070991811,5cyclictest22230-21sshd00:06:242
307099180,17cyclictest5363-21sshd23:49:032
306999188,3cyclictest0-21swapper/120:35:171
306999183,7cyclictest0-21swapper/122:47:161
306999180,17cyclictest144650irq/27-eth021:34:111
279562180,16sleep1144650irq/27-eth000:07:111
138182180,3sleep113814-21sshd23:03:511
138182180,3sleep113814-21sshd23:03:511
307199175,5cyclictest0-21swapper/322:13:013
307199171,8cyclictest0-21swapper/323:52:293
3071991712,4cyclictest21568-21df_inode19:50:113
307199170,7cyclictest0-21swapper/321:20:553
307199170,15cyclictest0-21swapper/319:41:283
307199170,13cyclictest144650irq/27-eth000:06:233
307199170,13cyclictest0-21swapper/322:29:163
307099172,8cyclictest29120-21sshd22:15:222
307099172,6cyclictest0-21swapper/200:31:022
307099172,3cyclictest0-21swapper/221:21:022
307099172,13cyclictest10830-21sshd23:06:582
307099172,13cyclictest10830-21sshd23:06:572
307099172,13cyclictest0-21swapper/223:35:212
307099171,9cyclictest6335-21sshd00:12:132
307099171,8cyclictest14293-21sshd23:22:352
307099171,7cyclictest0-21swapper/223:14:292
307099171,12cyclictest15503-21sshd22:20:492
306999178,3cyclictest0-21swapper/123:10:491
306999178,2cyclictest19554-21id00:01:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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