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2025-11-26 - 09:45
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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 rack3slot0.osadl.org (updated Wed Nov 26, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
82002920,0sleep40-21swapper/420:56:134
12772880,0sleep40-21swapper/422:03:254
113012730,0sleep30-21swapper/300:02:573
194352530,0sleep40-21swapper/422:48:184
1759125026,9sleep10-21swapper/118:51:361
265122490,1sleep7763-21runrttasks21:07:067
213112480,0sleep70-21swapper/723:46:197
1756324825,8sleep00-21swapper/018:51:110
297932470,0sleep50-21swapper/523:15:185
1778224725,8sleep60-21swapper/618:54:136
1745024736,8sleep20-21swapper/218:49:442
1766524534,8sleep70-21swapper/718:52:387
178832440,0sleep6631rcuc/623:54:356
166842430,0sleep40-21swapper/421:03:264
160882430,1sleep557-21ksoftirqd/523:19:585
1744224229,9sleep50-21swapper/518:49:395
23842410,0sleep10-21swapper/121:45:521
142892410,0sleep30-21swapper/321:58:433
130542410,0sleep50-21swapper/522:10:155
130542410,0sleep50-21swapper/522:10:155
80012400,0sleep10-21swapper/122:58:561
80012400,0sleep10-21swapper/122:58:561
210322400,0sleep10-21swapper/122:02:101
1773724027,9sleep30-21swapper/318:53:383
1754124028,9sleep40-21swapper/418:50:594
257652380,0sleep20-21swapper/220:04:152
201902380,0sleep50-21swapper/521:06:315
103312380,0sleep70-21swapper/723:28:177
240252370,1sleep233-21ksoftirqd/221:06:522
120882370,0sleep60-21swapper/623:25:286
66982360,2sleep41792699cyclictest23:27:584
17929992521,3cyclictest15800-21sshd21:00:157
1792999245,18cyclictest9157-21bash22:18:477
1792999230,17cyclictest8562-21cp22:06:577
1792999225,11cyclictest20167-21sshd21:53:217
1792999224,17cyclictest30271-21systemd-cgroups23:41:297
1792999224,12cyclictest29209-21bash21:59:557
1792999224,11cyclictest17555-21vmstat00:19:377
1792999223,18cyclictest32391-21bash23:36:017
17929992222,0cyclictest721ktimersoftd/719:27:077
1792399227,1cyclictest41-21ksoftirqd/321:52:313
1792399223,4cyclictest41-21ksoftirqd/321:04:293
1792999213,17cyclictest30582-21sshd23:18:297
1792999212,18cyclictest32510-21sshd23:12:457
1792999210,20cyclictest31196-21grepconf.sh22:34:437
1792999202,17cyclictest22571-21sshd21:39:037
1792999200,19cyclictest8471-21grepconf.sh22:56:017
1792999200,19cyclictest8471-21grepconf.sh22:56:017
17927992011,4cyclictest28102-21nfsd23:39:395
1792399209,1cyclictest41-21ksoftirqd/321:35:173
1792399204,1cyclictest41-21ksoftirqd/323:36:253
17923992010,1cyclictest41-21ksoftirqd/323:01:073
1792399201,4cyclictest4379-21bash22:44:023
1792999198,5cyclictest0-21swapper/723:51:457
1792999198,5cyclictest0-21swapper/723:07:217
1792999198,5cyclictest0-21swapper/722:33:417
1792999198,0cyclictest0-21swapper/723:55:577
1792799199,0cyclictest0-21swapper/522:59:435
1792799198,5cyclictest0-21swapper/523:28:155
1792799198,5cyclictest0-21swapper/521:01:295
1792799198,5cyclictest0-21swapper/520:45:215
1792799198,5cyclictest0-21swapper/520:45:215
1792799198,5cyclictest0-21swapper/520:43:015
1792799198,5cyclictest0-21swapper/519:44:395
1792799198,5cyclictest0-21swapper/519:33:035
1792799198,0cyclictest0-21swapper/523:55:035
1792799198,0cyclictest0-21swapper/523:07:075
1792799198,0cyclictest0-21swapper/522:00:455
1792799198,0cyclictest0-21swapper/521:20:335
1792799198,0cyclictest0-21swapper/520:51:255
1792799198,0cyclictest0-21swapper/520:31:095
1792799198,0cyclictest0-21swapper/520:05:155
1792799198,0cyclictest0-21swapper/519:13:535
1792799198,0cyclictest0-21swapper/500:11:535
1792399198,3cyclictest41-21ksoftirqd/322:29:083
1792399197,1cyclictest41-21ksoftirqd/321:42:263
1792399196,3cyclictest41-21ksoftirqd/323:24:343
17923991915,1cyclictest41-21ksoftirqd/300:13:023
17914991914,1cyclictest25-21ksoftirqd/100:14:441
151602190,0sleep00-21swapper/021:55:440
1792999188,5cyclictest0-21swapper/722:59:577
1792999188,0cyclictest0-21swapper/721:27:477
1792999187,5cyclictest18212-21sshd22:28:097
1792999187,5cyclictest0-21swapper/721:41:077
1792999187,5cyclictest0-21swapper/721:22:217
1792999187,5cyclictest0-21swapper/721:15:457
1792999187,5cyclictest0-21swapper/720:28:077
1792999187,0cyclictest0-21swapper/720:31:297
17929991811,6cyclictest20052-21sshd21:44:337
1792999180,17cyclictest26126-21grepconf.sh21:56:457
1792999180,17cyclictest21086-21/usr/sbin/munin18:59:247
1792999180,17cyclictest17979-21ntp_states20:44:337
1792999180,17cyclictest17979-21ntp_states20:44:337
1792999180,17cyclictest16404-21sshd22:39:177
1792999180,17cyclictest15283-21http_loadtime19:44:297
1792999180,17cyclictest13192-21sshd00:12:537
1792999180,13cyclictest2826-21sshd00:08:417
1792999180,13cyclictest16519-21sshd00:03:277
1792799187,5cyclictest0-21swapper/521:17:195
1792799187,5cyclictest0-21swapper/519:55:455
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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