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2025-03-13 - 18:48
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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 highest latencies:
System rack3slot2.osadl.org (updated Thu Mar 13, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90448022930,3sleep0904481-21latency_hist09:50:120
91880522640,3chrt918789-21ntpq10:36:130
93512622520,3sleep0935129-21sed11:30:380
92585222500,2sleep0925855-21cron11:00:010
92021722350,3chrt920214-21irqstats10:40:300
89458522350,3chrt894577-21ntpq09:16:400
85935199235204,21cyclictest29-21kswapd012:16:290
95358622310,4chrt953587-21sshd12:31:290
92328222290,3chrt923280-21/usr/sbin/munin10:51:310
85935199229170,49cyclictest29-21kswapd007:39:290
85935199220189,20cyclictest29-21kswapd011:40:270
85935199219185,23cyclictest868253-21ntpq07:40:500
90666022090,3sleep0906661-21rm09:56:150
94151622010,2sleep0941517-21ssh11:51:450
86275122000,2sleep0862752-21ld07:20:590
85935199194164,21cyclictest29-21kswapd011:36:570
88970221920,2sleep0889700-21irqstats09:00:260
85935199191132,48cyclictest84-21jbd2/mmcblk0p2-09:25:050
85935199186156,20cyclictest29-21kswapd012:20:270
94685021840,4chrt946845-21ssh12:10:100
85935199181151,20cyclictest29-21kswapd010:31:320
92938621800,3sleep0929388-21open_inodes11:11:460
85935199180124,47cyclictest29-21kswapd010:11:440
92271721790,3sleep0922718-21awk10:50:120
85935199179145,23cyclictest933617-21true11:25:050
85935199175145,20cyclictest858460-21kworker/u2:007:15:040
85935199172143,20cyclictest29-21kswapd009:31:320
85935199170139,21cyclictest29-21kswapd010:15:270
94736121680,4chrt947362-21rm12:10:560
86119621670,3chrt861193-21ntpq07:15:330
85935199166135,21cyclictest29-21kswapd011:16:280
90867921650,4chrt908678-21sensors10:01:530
92660021640,3chrt926599-21ntpq11:01:270
90555021640,3chrt905548-21ssh09:52:390
85935199164134,19cyclictest881695-21kworker/u2:108:45:050
85935199163125,27cyclictest955727-21systemd12:38:140
88665021590,2sleep0886653-21wc08:50:080
88292221580,4chrt882917-21ntpq08:35:450
85935199147117,19cyclictest849007-21kworker/u2:207:10:070
85935199145115,20cyclictest84-21jbd2/mmcblk0p2-10:30:110
85935199140110,19cyclictest870474-21kworker/u2:007:51:220
85935199138107,20cyclictest84-21jbd2/mmcblk0p2-08:35:060
85935199134102,21cyclictest84-21jbd2/mmcblk0p2-08:50:560
85935199133103,19cyclictest893495-21kworker/u2:309:13:210
8593519913163,57cyclictest84-21jbd2/mmcblk0p2-12:00:110
8593519912998,20cyclictest84-21jbd2/mmcblk0p2-09:10:040
87986321270,2sleep0879864-21who08:21:210
8593519912695,20cyclictest84-21jbd2/mmcblk0p2-09:41:050
8593519912493,20cyclictest84-21jbd2/mmcblk0p2-07:30:050
91413821230,2sleep0914140-21grep10:20:360
90056921230,2sleep0900560-21ntpq09:36:160
8593519912395,19cyclictest915258-21kworker/u2:311:27:530
87369921200,3sleep0873703-21kernelversion08:00:260
8593519911788,20cyclictest934045-21kworker/u2:011:45:230
8593519911585,20cyclictest907418-21kworker/u2:010:10:060
8593519911483,20cyclictest84-21jbd2/mmcblk0p2-08:00:000
8593519910878,19cyclictest866277-21kworker/u2:007:35:070
8593519910878,19cyclictest84-21jbd2/mmcblk0p2-09:30:050
8593519910576,20cyclictest84-21jbd2/mmcblk0p2-08:25:390
8593519910574,21cyclictest84-21jbd2/mmcblk0p2-11:10:110
95225821020,2sleep0952259-21rm12:26:500
859351999462,21cyclictest84-21jbd2/mmcblk0p2-08:55:280
859351998656,19cyclictest867729-21kworker/u2:307:46:160
859351997445,18cyclictest875242-21kworker/u2:008:14:230
859351996939,19cyclictest875242-21kworker/u2:008:08:030
859351996541,14cyclictest945688-21ssh12:04:460
859351996322,18cyclictest877844-21grep08:15:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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