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2025-11-07 - 10:07
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Fri Nov 07, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16718322620,4chrt167184-21ssh23:26:240
16161222600,3chrt161608-21df_inode23:10:210
10114822540,3chrt101146-21irqstats20:00:240
9569122510,3chrt95692-21netstat19:40:310
12234122490,4chrt122339-21diskstats21:15:280
14497722470,2sleep0144978-21/usr/sbin/munin22:21:070
13602122470,3chrt136017-21df21:55:170
19138222440,2sleep0191383-21sh00:38:170
17285122390,3chrt22-21kcompactd023:42:420
15194522390,3chrt151940-21ntp_states22:41:400
14128522350,3chrt141277-21irqstats22:10:320
9158122250,4chrt91578-21ntpq19:25:450
16076322180,2sleep0160765-21cat23:07:010
17739522150,2sleep0177396-21ntpq23:56:190
9385522090,2sleep093849-21awk19:35:000
12460122060,2sleep0124602-21ssh21:21:480
12900721980,2sleep0129009-21grep21:35:090
8688199184153,19cyclictest174587-21kworker/u2:200:00:320
18017721780,4chrt179955-21/usr/sbin/munin00:05:320
9535721770,3chrt95358-21cat19:40:080
8688199177148,19cyclictest149968-21kworker/u2:022:50:040
8688199177145,21cyclictest147509-21kworker/u2:222:55:060
8688199176148,17cyclictest115266-21kworker/u2:021:15:040
8688199176146,19cyclictest137063-21kworker/u2:122:05:060
8688199173141,21cyclictest182283-21ntpq00:11:340
8688199172141,19cyclictest176537-21kworker/u2:000:25:290
14355121690,3chrt142775-21/usr/sbin/munin22:16:570
8688199168139,19cyclictest111881-21kworker/u2:020:40:050
15013721670,4chrt150138-21ntp_offset22:36:210
13287821670,4chrt132877-21/usr/sbin/munin21:45:430
17584321660,4chrt175794-21ntp_states23:51:540
17386121660,4chrt173855-21ntpq23:45:530
12601221660,4chrt126009-21ntpq21:25:440
11251721660,4chrt112518-21gcc20:40:460
8688199164134,18cyclictest106433-21kworker/u2:020:30:040
19008221640,4chrt190084-21wc00:35:100
14677721640,4chrt146773-21ntp_states22:26:260
10946521640,4chrt109463-21if_err_eth020:30:260
15800821630,3chrt158007-21systemctl23:00:060
11665621630,3chrt116655-21ld20:55:390
18437121620,3chrt184372-21awk00:17:110
8688199160132,18cyclictest161055-21kworker/u2:123:15:520
13947921600,3chrt139481-21rm22:05:230
8688199158129,19cyclictest131856-21kworker/u2:321:51:550
8688199158127,20cyclictest84-21jbd2/mmcblk0p2-19:10:010
8688199155125,19cyclictest147509-21kworker/u2:222:35:020
8688199151123,19cyclictest82379-21kworker/u2:019:21:350
8688199151122,19cyclictest169328-21kworker/u2:023:40:100
8688199148118,19cyclictest106433-21kworker/u2:020:21:190
8688199147117,19cyclictest115266-21kworker/u2:021:10:060
8688199146117,19cyclictest87274-21kworker/u2:219:11:270
8688199145117,18cyclictest145490-21kworker/u2:323:05:090
8688199145115,19cyclictest96275-21kworker/u2:219:50:060
8688199144112,22cyclictest185887-21readlink00:22:000
8688199141111,18cyclictest109693-21kworker/u2:120:45:100
8688199140110,19cyclictest102238-21kworker/u2:220:05:440
8688199139109,19cyclictest147509-21kworker/u2:223:31:350
868819913696,19cyclictest115266-21kworker/u2:021:42:360
8688199136107,18cyclictest98051-21kworker/u2:019:55:430
8688199135104,20cyclictest99825-21kworker/u2:120:15:020
8688199133103,19cyclictest147509-21kworker/u2:223:20:320
8688199133103,18cyclictest96275-21kworker/u2:219:55:050
868819912797,19cyclictest126857-21kworker/u2:221:35:290
868819912497,17cyclictest99825-21kworker/u2:120:20:040
868819912393,18cyclictest84-21jbd2/mmcblk0p2-21:00:460
868819911990,19cyclictest87274-21kworker/u2:219:16:270
868819911581,25cyclictest115266-21kworker/u2:020:54:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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