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2025-11-05 - 07:35
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Wed Nov 05, 2025 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1837321170,0sleep30-21swapper/322:16:553
1957921120,0sleep60-21swapper/622:59:546
2132921110,1sleep00-21swapper/022:43:370
1766021080,0sleep50-21swapper/522:26:435
1766021080,0sleep50-21swapper/522:26:435
211721030,0sleep00-21swapper/022:15:160
79222850,1sleep17918-21sshd22:52:031
199662850,1sleep619938-21sshd00:12:156
6472820,0sleep20-21swapper/222:44:512
177382790,1sleep5660-21dbus-daemon23:58:515
48772730,0sleep70-21swapper/700:17:207
306642730,0sleep50-21swapper/500:16:395
247202730,4sleep2800899cyclictest22:30:402
319102720,0sleep30-21swapper/321:25:583
245692710,0sleep40-21swapper/422:04:304
47832700,0sleep70-21swapper/700:20:347
269352700,0sleep50-21swapper/523:46:345
269352700,0sleep50-21swapper/523:46:335
266042700,0sleep60-21swapper/600:09:436
266042700,0sleep60-21swapper/600:09:426
68742690,1sleep70-21swapper/723:31:217
245862680,1sleep50-21swapper/522:43:585
237392680,0sleep70-21swapper/723:16:397
232222660,0sleep60-21swapper/621:31:386
112262620,0sleep50-21swapper/500:01:235
112262620,0sleep50-21swapper/500:01:235
6192610,0sleep10-21swapper/123:20:481
86372570,0sleep50-21swapper/500:30:585
572725746,7sleep50-21swapper/519:05:085
743725634,6sleep30-21swapper/319:05:473
740725533,6sleep60-21swapper/619:05:256
766825028,7sleep00-21swapper/019:08:400
741024837,7sleep70-21swapper/719:05:277
764424232,6sleep40-21swapper/419:08:204
766124130,7sleep20-21swapper/219:08:332
573224029,7sleep10-21swapper/119:05:121
284682310,1sleep20-21swapper/200:39:442
62502260,5sleep778-21ksoftirqd/721:23:307
260062250,0sleep20-21swapper/223:00:222
184882250,1sleep10-21swapper/122:36:401
184882250,1sleep10-21swapper/122:36:401
322512230,0sleep5581rcuc/521:26:005
316852230,0sleep40-21swapper/400:10:134
246842230,0sleep00-21swapper/022:34:070
155292230,1sleep30-21swapper/323:15:463
263962220,1sleep61036-21runrttasks21:12:316
236002220,2sleep50-21swapper/521:44:515
8004992018,1cyclictest13334-21bash00:28:121
69622200,0sleep10-21swapper/123:05:111
161662200,1sleep70-21swapper/722:20:047
801699190,2cyclictest15182-21sshd23:22:223
218912190,1sleep70-21swapper/720:45:007
74512180,0sleep10-21swapper/122:29:031
74512180,0sleep10-21swapper/122:29:031
38812180,0sleep30-21swapper/322:35:143
38812180,0sleep30-21swapper/322:35:143
261492180,1sleep0121rcuc/023:46:280
261492180,1sleep0121rcuc/023:46:280
258042180,0sleep60-21swapper/619:45:136
250262180,0sleep081ktimersoftd/022:50:260
241992180,1sleep4491rcuc/423:33:104
182862180,1sleep118284-21sshd22:20:141
174842180,0sleep60-21swapper/622:30:046
801699174,11cyclictest11184-21sshd21:50:073
8004991714,2cyclictest9212-21sshd00:17:481
8004991712,1cyclictest4500-21sshd00:30:301
8004991711,2cyclictest22058-21sshd21:41:181
323702170,0sleep10-21swapper/122:41:211
267362170,0sleep30-21swapper/323:43:183
24892170,0sleep50-21swapper/523:14:355
195002170,0sleep20-21swapper/200:02:172
195002170,0sleep20-21swapper/200:02:172
90502160,0sleep10-21swapper/123:51:181
86952160,0sleep20-21swapper/221:59:392
8043991611,3cyclictest0-21swapper/722:31:417
8004991614,1cyclictest15881-21sshd21:17:561
8004991613,1cyclictest22448-21sshd00:05:501
8004991613,1cyclictest22448-21sshd00:05:501
4172160,0sleep70-21swapper/721:58:487
26372160,0sleep00-21swapper/021:36:050
130672160,0sleep50-21swapper/522:59:135
804399150,1cyclictest0-21swapper/721:54:537
801699150,13cyclictest0-21swapper/323:33:333
801699150,13cyclictest0-21swapper/321:14:333
800899150,13cyclictest0-21swapper/223:35:202
800899150,13cyclictest0-21swapper/221:54:232
800499150,14cyclictest0-21swapper/123:39:421
7997991513,1cyclictest704-21systemd-logind21:13:190
799799150,2cyclictest0-21swapper/022:56:480
169892150,0sleep40-21swapper/423:09:294
139422150,0sleep40-21swapper/422:23:054
804399140,13cyclictest0-21swapper/721:47:477
804399140,12cyclictest11354-21sshd00:14:477
804399140,12cyclictest0-21swapper/723:39:427
8037991412,1cyclictest0-21swapper/621:37:006
8030991411,2cyclictest0-21swapper/522:45:495
8030991411,2cyclictest0-21swapper/522:45:495
8030991410,3cyclictest0-21swapper/500:12:225
803099140,1cyclictest2100-21sshd22:11:575
802299140,1cyclictest0-21swapper/422:57:124
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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