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2026-04-03 - 03:00
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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 Fri Apr 03, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19918422740,2sleep0199185-21gzip21:41:190
17964722490,3chrt179649-21processes20:31:140
24320922400,3sleep0243211-21awk00:20:490
23364022050,3sleep0233639-21/usr/sbin/munin23:45:290
20545322050,2sleep0205454-21grep22:05:060
20757121970,2sleep0207572-21cat22:11:170
24596521960,2sleep0245963-21ntp_kernel_pll_00:30:480
15664899185158,18cyclictest233706-21kworker/u2:200:00:360
15664899180150,19cyclictest217939-21kworker/u2:022:55:060
19296921780,4chrt192970-21latency_hist21:20:070
22291921770,4chrt222918-21mailstats23:06:180
19713121770,2sleep0197133-21sort21:35:060
16837721740,4chrt168374-21ntpq19:50:560
17848121690,3chrt178479-21users20:26:230
15664899169143,17cyclictest223507-21kworker/u2:223:21:190
15664899167136,20cyclictest153811-21kworker/u2:219:55:320
24730121660,4chrt247289-21ntpq00:35:370
21986921650,4chrt219866-21ntpq22:55:520
21379121640,4chrt213793-21sed22:35:060
20890321640,3chrt208904-21rt-features22:16:160
16135421640,3chrt161352-21/usr/sbin/munin19:25:450
15670921620,4chrt156711-21sed19:10:060
15664899150120,20cyclictest153811-21kworker/u2:219:50:050
15664899148118,20cyclictest153811-21kworker/u2:219:36:140
23678521460,3sleep0236788-21tr23:56:150
15664899142114,19cyclictest205408-21kworker/u2:022:26:140
15664899142112,19cyclictest214235-21kworker/u2:122:41:170
15664899139112,18cyclictest229526-21kworker/u2:123:40:230
19090421370,3sleep0190906-21switchtime21:11:190
15664899135105,21cyclictest83-21jbd2/mmcblk0p2-20:06:150
21442021300,2sleep0214418-21open_inodes22:36:160
1566489912898,20cyclictest178957-21kworker/u2:020:35:420
15664899127100,18cyclictest229526-21kworker/u2:123:50:200
20169821220,3sleep0201699-21ld21:50:380
1566489912293,19cyclictest183603-21kworker/u2:020:55:540
1566489912092,18cyclictest183603-21kworker/u2:021:05:040
1566489911988,20cyclictest180538-21kworker/u2:120:40:580
1566489911689,18cyclictest203056-21kworker/u2:222:08:050
1566489911585,19cyclictest195658-21kworker/u2:121:40:040
1566489911487,18cyclictest233706-21kworker/u2:200:11:570
1566489911487,18cyclictest233706-21kworker/u2:200:06:320
1566489911180,20cyclictest183603-21kworker/u2:021:10:040
1566489911080,20cyclictest223507-21kworker/u2:223:27:190
1566489911080,19cyclictest212368-21kworker/u2:222:45:470
1566489910877,20cyclictest189099-21kworker/u2:221:20:320
1566489910780,18cyclictest153811-21kworker/u2:219:41:160
1566489910779,19cyclictest169623-21kworker/u2:020:14:550
156648999968,20cyclictest195658-21kworker/u2:121:50:060
156648999769,19cyclictest217939-21kworker/u2:023:02:140
156648999768,19cyclictest223507-21kworker/u2:223:15:040
156648999768,19cyclictest153811-21kworker/u2:219:31:160
156648999564,20cyclictest241273-21kworker/u2:000:30:020
156648999162,19cyclictest223507-21kworker/u2:223:16:010
156648999161,19cyclictest195658-21kworker/u2:122:00:040
156648998960,19cyclictest153811-21kworker/u2:219:21:180
156648998758,18cyclictest192885-21kworker/u2:021:30:040
156648998756,20cyclictest229526-21kworker/u2:123:36:130
156648998554,20cyclictest153811-21kworker/u2:219:15:520
156648998457,18cyclictest153811-21kworker/u2:219:10:520
156648998352,20cyclictest174754-21kworker/u2:220:15:380
156648998051,19cyclictest205408-21kworker/u2:022:25:030
156648998050,20cyclictest169623-21kworker/u2:020:05:030
156648997948,20cyclictest174754-21kworker/u2:220:21:180
156648997850,19cyclictest182177-21kworker/u2:220:51:180
156648997342,20cyclictest241273-21kworker/u2:000:20:060
18386527214,11sleep0183902-21systemctl20:46:160
156648996534,20cyclictest223507-21kworker/u2:223:30:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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