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2025-09-18 - 14:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Thu Sep 18, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335036899310,3cyclictest3629290-21cat23:20:003
335036899310,3cyclictest3629290-21cat23:20:003
335036099291,24cyclictest3610357-21sshd23:05:151
335036099272,22cyclictest3507546-21apt-get21:40:131
335036099272,22cyclictest3371334-21apt-get19:30:141
335036099271,21cyclictest0-21swapper/123:50:131
335036399261,20cyclictest3432760-21apt-get20:30:122
335036399260,21cyclictest3517746-21grep21:45:182
335036099262,21cyclictest3547141-21apt-get22:15:121
335036099261,22cyclictest3629477-21apt-get23:20:121
335036099261,21cyclictest3718036-21ssh00:30:011
335036099261,21cyclictest3360756-21apt-get19:20:131
335035899262,3cyclictest3528216-21apt-get22:00:120
335035899260,6cyclictest3462445-21taskset20:55:190
3350368992520,3cyclictest3376423-21apt-get19:35:123
335036399251,21cyclictest3540998-21df22:10:142
335036399251,21cyclictest3412429-21apt-get20:10:122
335036399251,20cyclictest3469084-21diskmemload22:25:122
335036099252,3cyclictest3534537-21apt-get22:05:141
335036099251,22cyclictest3526996-21taskset21:57:061
335036099251,22cyclictest3488891-21diskstats21:25:141
335036099251,21cyclictest3711806-21apt-get00:25:121
335036099251,21cyclictest3591203-21apt-get22:50:131
335036099251,21cyclictest3453453-21apt-get20:50:151
335036099251,20cyclictest3559767-21apt-get22:25:111
335036099251,20cyclictest0-21swapper/120:20:121
335036099251,20cyclictest0-21swapper/120:05:131
335036099250,5cyclictest3518272-21tail21:45:231
335036099250,23cyclictest3690689-21ssh00:05:241
335036099250,23cyclictest3477223-21kthreadcore21:15:191
335035899252,21cyclictest3661383-21apt-get23:45:140
3350358992521,3cyclictest245621450irq/127-enp0s29f1:rx-021:45:000
335035899251,23cyclictest3469084-21diskmemload21:53:440
335035899251,21cyclictest3578627-21apt-get22:40:120
335036899241,20cyclictest3427664-21apt-get20:25:133
335036899241,20cyclictest0-21swapper/320:55:123
335036899240,23cyclictest3510484-21grep21:40:193
335036899240,20cyclictest0-21swapper/322:05:133
335036399241,20cyclictest0-21swapper/222:05:142
335036399241,19cyclictest0-21swapper/200:10:152
3350360992419,3cyclictest3469084-21diskmemload22:48:241
3350360992419,3cyclictest3469084-21diskmemload00:39:061
3350360992419,3cyclictest1-21systemd22:40:001
3350360992418,4cyclictest3661283-21latency_hist23:45:011
335036099241,2cyclictest3469084-21diskmemload23:35:211
335036099241,2cyclictest3381544-21apt-get19:40:111
335036099241,20cyclictest3355701-21apt-get19:15:151
335036099241,20cyclictest0-21swapper/123:15:121
335036099241,20cyclictest0-21swapper/123:15:121
335036099241,20cyclictest0-21swapper/122:55:131
335036099241,20cyclictest0-21swapper/121:50:171
335036099241,20cyclictest0-21swapper/120:45:121
335036099241,20cyclictest0-21swapper/120:40:111
335036099240,4cyclictest3648456-21ls23:35:001
335036099240,4cyclictest3482459-21taskset21:20:111
335036099240,23cyclictest3545604-21ssh22:11:081
335036099240,21cyclictest3699223-21chrt00:15:151
335036099240,21cyclictest3566611-21irqcore22:30:171
335036099240,21cyclictest3469084-21diskmemload23:55:081
335036099240,21cyclictest3438732-21irqcore20:35:161
335036099240,20cyclictest0-21swapper/123:00:111
335035899242,2cyclictest3443291-21apt-get20:40:110
335035899242,21cyclictest171ktimers/023:21:330
3350358992419,4cyclictest3564798-21ssh22:27:030
3350358992417,5cyclictest3726249-21cut00:35:170
335035899241,3cyclictest3699220-21apt-get00:15:150
335035899241,21cyclictest3686626-21apt-get00:05:150
335035899240,4cyclictest3602769-21ssh22:57:420
335035899240,4cyclictest3585414-21irqcore22:45:160
335035899240,22cyclictest3469084-21diskmemload22:21:530
335036899232,2cyclictest3501288-21apt-get21:35:143
3350368992319,2cyclictest3448368-21apt-get20:45:123
3350368992318,3cyclictest3528191-21ssh22:00:113
335036899231,3cyclictest3416328-21ntpq20:10:213
335036899231,20cyclictest3616866-21apt-get23:10:143
335036899231,20cyclictest3525981-21ntpq21:55:193
335036899231,19cyclictest3469084-21diskmemload21:30:103
335036899230,22cyclictest3716507-21ssh00:25:563
335036899230,22cyclictest3480451-21ssh21:16:033
3350363992319,2cyclictest3629637-21df_inode23:20:152
3350363992319,2cyclictest0-21swapper/222:15:122
335036399231,2cyclictest3469084-21diskmemload21:44:382
335036399231,20cyclictest3469084-21diskmemload23:40:182
335036399231,20cyclictest3469084-21diskmemload00:25:012
335036399230,22cyclictest3687694-21kthreadcore00:05:212
335036399230,22cyclictest3488393-21ssh21:24:592
335036399230,22cyclictest3481576-21ssh21:19:372
335036399230,22cyclictest3412158-21cron20:09:592
335036399230,21cyclictest3724612-21df00:35:132
335036399230,21cyclictest3684268-21grep00:00:182
335036399230,21cyclictest3576938-21ssh22:35:442
335036399230,20cyclictest0-21swapper/219:40:122
3350360992320,2cyclictest3463620-21apt-get21:00:131
3350360992319,3cyclictest3469084-21diskmemload22:01:541
3350360992319,2cyclictest3636182-21apt-get23:25:131
3350360992318,2cyclictest0-21swapper/122:41:201
335036099231,2cyclictest0-21swapper/123:45:161
335036099231,2cyclictest0-21swapper/121:32:211
335036099231,21cyclictest3469084-21diskmemload21:12:481
335036099231,20cyclictest3469084-21diskmemload00:10:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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