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2025-11-15 - 07:43
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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 rackaslot0.osadl.org (updated Sat Nov 15, 2025 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84882970,2sleep30-21swapper/319:05:273
106182820,0sleep10-21swapper/121:18:141
118822810,1sleep211883-21bash23:29:142
69982770,1sleep010-21rcuc/023:46:420
248372660,0sleep00-21swapper/022:54:230
273922630,1sleep227387-21apache_processe23:20:132
281582600,1sleep028156-21bash22:29:080
26172590,1sleep22614-21bash21:53:362
876325734,19sleep20-21swapper/219:08:432
58462570,0sleep15845-21bash00:34:471
230182550,1sleep01808-21diskmemload21:45:010
139522550,0sleep013953-21sshd21:51:090
12322550,0sleep00-21swapper/022:18:500
12322550,0sleep00-21swapper/022:18:500
872425425,25sleep00-21swapper/019:08:130
299852540,1sleep129971-21sshd22:29:211
856425331,18sleep10-21swapper/119:06:181
23692530,1sleep12371-21bash22:51:431
196892530,1sleep319687-21sshd00:28:403
16532530,0sleep10-21swapper/121:57:041
254222520,1sleep18-21rcu_preempt23:05:211
103712510,0sleep10-21swapper/123:43:311
9742500,1sleep1957-21sshd21:13:331
246262500,0sleep30-21swapper/323:59:523
222502500,0sleep30-21swapper/322:28:273
90122490,0sleep1201ktimersoftd/122:15:551
90122490,0sleep1201ktimersoftd/122:15:551
35472480,1sleep11808-21diskmemload21:53:441
105532480,1sleep3381ktimersoftd/322:52:423
83002470,0sleep30-21swapper/300:39:013
318072470,0sleep20-21swapper/221:24:162
59432460,0sleep25942-21sshd23:43:002
292622460,1sleep229252-21sshd21:34:542
71712450,0sleep30-21swapper/323:17:543
35202450,1sleep119-21rcuc/123:57:211
271202450,0sleep10-21swapper/122:21:401
271202450,0sleep10-21swapper/122:21:401
87482440,0sleep00-21swapper/000:20:080
187482440,0sleep318743-21sshd22:17:043
187482440,0sleep318743-21sshd22:17:043
166772440,0sleep30-21swapper/322:42:253
106212390,0sleep210623-21id21:25:252
912499230,22cyclictest0-21swapper/100:18:051
912499220,21cyclictest0-21swapper/121:07:481
912499220,21cyclictest0-21swapper/119:38:331
912499220,21cyclictest0-21swapper/100:26:351
912399220,21cyclictest0-21swapper/021:09:480
912699210,21cyclictest0-21swapper/323:51:343
912699210,19cyclictest0-21swapper/323:20:343
912599210,20cyclictest0-21swapper/219:55:162
912599210,20cyclictest0-21swapper/219:50:162
912599210,20cyclictest0-21swapper/200:30:182
912499210,21cyclictest0-21swapper/119:30:331
912399211,1cyclictest487-21sshd00:38:020
912399210,20cyclictest0-21swapper/022:48:040
912699201,18cyclictest0-21swapper/321:25:333
912699200,19cyclictest0-21swapper/323:10:193
912599200,19cyclictest0-21swapper/222:02:342
912499200,19cyclictest0-21swapper/123:14:331
912499200,19cyclictest0-21swapper/120:05:191
912399200,19cyclictest0-21swapper/020:20:170
912699190,18cyclictest0-21swapper/320:16:483
912699190,18cyclictest0-21swapper/319:15:163
912699190,18cyclictest0-21swapper/319:10:173
912599190,18cyclictest0-21swapper/220:45:202
912599190,18cyclictest0-21swapper/219:30:182
912599190,18cyclictest0-21swapper/200:20:202
912499190,18cyclictest0-21swapper/121:00:171
912399196,12cyclictest26889-21bash22:36:140
912399193,15cyclictest15551-21sshd00:28:110
9126991816,1cyclictest14549-21basename23:40:193
912699180,18cyclictest0-21swapper/300:33:353
912699180,17cyclictest0-21swapper/320:30:163
912699180,17cyclictest0-21swapper/320:02:333
912599180,17cyclictest0-21swapper/222:30:162
912499180,17cyclictest0-21swapper/121:42:191
912499180,17cyclictest0-21swapper/119:15:161
9123991817,1cyclictest2334-21sshd00:19:240
912399181,13cyclictest25575-21sshd21:27:080
912399180,7cyclictest0-21swapper/021:44:080
912399180,17cyclictest29033-21bash23:52:550
912399180,17cyclictest0-21swapper/022:55:180
912399180,16cyclictest0-21swapper/000:04:050
9126991715,1cyclictest0-21swapper/322:04:553
9125991714,2cyclictest0-21swapper/223:17:402
912599170,16cyclictest0-21swapper/221:35:002
912599170,16cyclictest0-21swapper/219:35:162
912599170,16cyclictest0-21swapper/219:25:162
912499171,15cyclictest0-21swapper/120:15:161
912499170,17cyclictest0-21swapper/120:38:481
912399179,7cyclictest0-21swapper/022:31:170
912399179,4cyclictest25610-21sshd22:14:170
912399178,9cyclictest13930-21kworker/0:023:25:260
912399177,9cyclictest6265-21bash21:57:370
912399174,10cyclictest3-21ksoftirqd/000:11:450
912399172,5cyclictest21006-21kworker/0:323:04:420
9123991716,1cyclictest25421-21sshd22:06:580
9126991614,1cyclictest0-21swapper/322:20:493
9126991614,1cyclictest0-21swapper/322:20:493
912599162,13cyclictest4523-21kworker/2:121:49:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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