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2025-11-21 - 02:07
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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 Fri Nov 21, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1153221610,4sleep3725299cyclictest23:05:273
2313421450,0sleep123129-21cp22:41:161
1582021440,1sleep015817-21sshd22:56:190
2822121390,1sleep20-21swapper/223:26:062
166421350,1sleep01655-21sshd23:39:270
2022321310,4sleep2725199cyclictest22:25:072
1427821300,1sleep314279-21sshd23:50:003
3203921200,1sleep30-21swapper/322:00:383
2196721140,4sleep20-21swapper/200:16:252
2498821110,0sleep124989-21sshd21:47:141
6986210733,44sleep10-21swapper/119:09:551
114242930,1sleep10-21swapper/100:38:321
46582920,1sleep30-21swapper/321:42:023
58742900,2sleep30-21swapper/321:55:013
51052890,2sleep05104-21sshd21:26:080
51052890,2sleep05104-21sshd21:26:080
43272890,1sleep01848-21nfsd00:31:060
285822880,2sleep041ktimersoftd/021:19:030
21762870,2sleep30-21swapper/323:23:393
73062860,1sleep30-21swapper/321:26:243
73062860,1sleep30-21swapper/321:26:233
266212860,1sleep00-21swapper/021:56:580
257972850,1sleep025793-21sshd21:21:510
254342850,1sleep025426-21sshd22:28:450
18282850,2sleep31826-21sshd23:01:183
139042850,2sleep213903-21bash23:24:502
675628433,47sleep30-21swapper/319:07:083
64842820,1sleep30-21swapper/322:45:553
271132820,1sleep21848-21nfsd21:34:482
263802810,1sleep30-21swapper/300:20:143
109492800,1sleep00-21swapper/022:30:250
23712790,3sleep22369-21sshd00:27:432
18062780,4sleep10-21swapper/121:25:491
18062780,4sleep10-21swapper/121:25:491
50062770,0sleep00-21swapper/022:39:360
118022770,5sleep3725299cyclictest22:24:163
25852750,2sleep10-21swapper/100:17:481
123402740,2sleep21959-21sshd21:23:462
91292720,1sleep39126-21bash23:36:573
135352720,2sleep313531-21bash23:34:173
306012700,3sleep2725199cyclictest21:50:552
300162670,3sleep30-21swapper/321:13:053
260202660,1sleep00-21swapper/021:12:410
251302660,4sleep2725199cyclictest00:06:502
12812590,0sleep21280-21bash22:39:132
672425633,11sleep00-21swapper/019:06:450
724799550,46cyclictest18217-21sshd22:05:360
724799541,10cyclictest26616-21sshd23:13:210
184832540,1sleep0724799cyclictest00:16:020
724799520,45cyclictest21444-21sshd00:26:190
683425237,11sleep20-21swapper/219:07:592
724799461,42cyclictest19258-21sshd00:09:390
724799460,5cyclictest2416-21bash22:45:300
724799456,4cyclictest7676-21sshd00:11:400
724799451,6cyclictest6809-21bash21:35:520
724799451,6cyclictest6809-21bash21:35:520
724799450,42cyclictest1846-21nfsd22:44:160
724799440,40cyclictest1263-21sshd23:42:310
724799431,6cyclictest0-21swapper/000:00:190
724799431,39cyclictest0-21swapper/023:01:280
724799421,38cyclictest0-21swapper/023:57:320
724799411,7cyclictest30299-21sshd23:16:500
724799411,7cyclictest30299-21sshd23:16:500
724799411,4cyclictest0-21swapper/022:51:360
724799410,9cyclictest19872-21missed_timers23:25:200
724799410,8cyclictest13776-21sshd23:34:180
724799410,7cyclictest14113-21sshd22:21:120
724799410,38cyclictest0-21swapper/000:22:260
724799401,31cyclictest0-21swapper/022:17:590
724799400,37cyclictest1847-21nfsd21:33:370
724799391,5cyclictest1874-21sshd23:07:460
258842390,37sleep326950irq/26-ahci[00023:29:103
724799387,4cyclictest8325-21sshd23:49:250
724799380,9cyclictest10813-21sshd23:21:130
724799380,8cyclictest12243-21bash00:35:150
724799380,36cyclictest31039-21sshd21:41:250
725299372,4cyclictest0-21swapper/300:03:373
137602370,2sleep20-21swapper/222:49:552
725299361,6cyclictest0-21swapper/300:31:233
724799361,6cyclictest1544-21sshd21:51:170
724799361,5cyclictest0-21swapper/023:54:560
725299351,6cyclictest0-21swapper/300:07:223
724799340,9cyclictest0-21swapper/021:45:040
310222340,32sleep1135650irq/27-eth021:35:121
310222340,32sleep1135650irq/27-eth021:35:121
184602340,2sleep21847-21nfsd22:05:382
174762340,1sleep10-21swapper/121:52:541
725299337,17cyclictest135650irq/27-eth022:34:363
725299332,4cyclictest0-21swapper/323:16:093
725299332,4cyclictest0-21swapper/323:16:093
7251993312,18cyclictest33-21ksoftirqd/222:51:042
724799331,3cyclictest135650irq/27-eth022:04:590
725299322,5cyclictest0-21swapper/300:16:093
725299322,3cyclictest0-21swapper/322:37:253
725299321,7cyclictest0-21swapper/322:57:093
725299320,5cyclictest0-21swapper/321:30:043
724799321,30cyclictest0-21swapper/022:10:450
181142320,3sleep30-21swapper/323:12:293
725299312,8cyclictest0-21swapper/322:10:003
725299312,5cyclictest0-21swapper/323:40:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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