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2025-12-08 - 15:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot2.osadl.org (updated Mon Dec 08, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400779422730,3sleep04007795-21cat12:05:090
399713922700,2sleep03997140-21mailstats11:31:520
398983422580,3chrt3989836-21sh11:10:240
398303422540,3sleep03983033-21true10:50:020
397149922540,3sleep03971501-21wc10:15:080
395551222480,2sleep03955514-21ntpq09:25:450
397404322450,3sleep03974046-21tr10:21:580
391646399241210,19cyclictest3923443-21kworker/u2:007:36:280
393796422400,4chrt3937961-21ntpq08:25:330
396506522370,3chrt3965063-21df09:55:160
397172822350,3chrt3971721-21ssh10:15:290
400120122330,3chrt4001197-21systemd-run11:45:040
391646399222190,20cyclictest3923443-21kworker/u2:007:56:180
399248122190,4chrt3992482-21ssh11:17:540
401676122040,2sleep04016762-21cat12:31:230
400333622020,3sleep04003337-21ld11:50:430
397762621970,2sleep03977627-21ssh10:32:430
398008921960,3sleep03980090-21uname10:40:350
400999121930,4chrt4009992-21ld12:11:010
391646399190155,22cyclictest3985430-21ntpq10:56:400
391646399189161,16cyclictest3962645-21kworker/u2:210:30:050
391646399188157,19cyclictest3999784-21kworker/u2:211:45:480
395048321850,2sleep03950484-21ssh09:10:410
391646399185155,19cyclictest3930534-21kworker/u2:208:10:370
392857921840,3sleep03928580-21cat07:51:230
391646399184154,18cyclictest3982906-21kworker/u2:110:55:040
397883621810,4chrt3978830-21ntpq10:36:460
393486821780,3chrt3934871-21grep08:15:130
391646399178149,17cyclictest3999784-21kworker/u2:211:55:300
391646399177147,19cyclictest3948552-21kworker/u2:209:16:410
391646399174144,19cyclictest3944470-21kworker/u2:109:05:380
391646399174143,20cyclictest3917441-21kworker/u2:007:16:170
391646399173144,19cyclictest3974500-21kworker/u2:311:10:040
391646399173142,19cyclictest84-21jbd2/mmcblk0p2-10:10:060
391646399173142,19cyclictest3944470-21kworker/u2:109:50:130
391646399172143,18cyclictest3950057-21kworker/u2:009:21:430
391665521700,2sleep03916657-21grep07:10:140
391646399169139,19cyclictest3956628-21kworker/u2:209:30:130
391646399169138,19cyclictest3923443-21kworker/u2:008:00:370
391646399166137,18cyclictest3950057-21kworker/u2:009:41:540
401492721650,4chrt4014925-21ssh12:25:490
391646399164133,19cyclictest3959922-21kworker/u2:309:46:500
391646399164133,19cyclictest3935860-21kworker/u2:208:20:370
391646399163133,19cyclictest3989825-21kworker/u2:211:25:050
391646399163133,18cyclictest3996022-21kworker/u2:011:35:470
391646399163133,18cyclictest3944470-21kworker/u2:108:55:340
399560121620,4chrt3995604-21sed11:26:510
396739221620,4chrt3967393-21sendmail_mailqu10:01:510
391646399162128,23cyclictest3940219-21anacron08:34:380
391646399161133,19cyclictest3920391-21kworker/u2:007:26:210
391646399161132,18cyclictest3986147-21kworker/u2:011:00:300
401164821600,4chrt4011649-21ssh12:16:000
392519121600,4chrt3925190-21/usr/sbin/munin07:40:220
391646399160130,19cyclictest3935860-21kworker/u2:208:36:020
391646399158129,18cyclictest3944470-21kworker/u2:109:01:200
391646399158127,19cyclictest3935860-21kworker/u2:208:50:030
391989321570,3chrt22-21kcompactd007:21:060
391646399156130,16cyclictest3935860-21kworker/u2:208:50:320
391646399154126,17cyclictest4016020-21kworker/u2:112:36:310
391646399154121,22cyclictest3922809-21anacron07:31:190
391646399153124,18cyclictest4007344-21kworker/u2:112:06:530
391646399152121,19cyclictest3927251-21kworker/u2:107:50:070
391646399151120,19cyclictest3944470-21kworker/u2:109:35:150
391646399151112,17cyclictest4007344-21kworker/u2:112:20:330
391646399145118,17cyclictest3913683-21kworker/u2:107:10:040
391646399138107,19cyclictest3941374-21kworker/u2:108:40:110
391646399136108,17cyclictest3930534-21kworker/u2:208:05:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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