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2025-08-27 - 14:34
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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 Wed Aug 27, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64467422650,2sleep0644675-21cron11:00:000
62581322490,3sleep0625815-21grep10:01:510
66157622460,3chrt661570-21diskstats11:50:220
64214022460,3chrt642137-21ntpq10:51:380
61215722430,2sleep0612159-21ntpq09:20:400
67047122370,3chrt670466-21ntpq12:16:440
59939922370,3chrt599400-21ls08:36:210
62848522360,3chrt628339-21/usr/sbin/munin10:10:280
62412422220,3chrt624123-21systemctl09:56:480
63649522180,3sleep0636497-21sort10:35:090
57479799201175,16cyclictest647998-21kworker/u2:311:35:060
57479799201172,18cyclictest630980-21kworker/u2:211:25:300
59036021990,2sleep0590363-21grep08:05:140
57479799197167,19cyclictest606564-21kworker/u2:009:55:040
57479799196168,17cyclictest667666-21kworker/u2:212:10:060
57479799193166,17cyclictest628112-21kworker/u2:110:10:050
64018721920,2sleep0640185-21memory10:45:360
61950621920,3chrt619507-21ssh09:42:370
57479799190161,19cyclictest604619-21kworker/u2:209:15:060
57479799189161,17cyclictest656069-21kworker/u2:011:45:050
57479799189160,18cyclictest592955-21kworker/u2:208:20:050
57479799188159,18cyclictest642726-21kworker/u2:111:00:290
57479799187154,21cyclictest637164-21ntpq10:36:310
57486321860,3sleep0574860-21cat07:10:060
57479799186156,18cyclictest597657-21kworker/u2:008:50:030
57479799185157,17cyclictest630980-21kworker/u2:211:15:050
57479799184156,18cyclictest580383-21kworker/u2:107:35:040
57479799182153,19cyclictest578586-21kworker/u2:207:45:030
57479799181153,17cyclictest597657-21kworker/u2:008:45:040
57479799180150,19cyclictest604619-21kworker/u2:209:05:030
57479799177148,18cyclictest613004-21kworker/u2:109:40:050
57479799176148,17cyclictest592955-21kworker/u2:208:15:030
57479799176145,19cyclictest602744-21kworker/u2:108:51:190
57479799175147,18cyclictest606564-21kworker/u2:009:26:520
57479799174145,18cyclictest597657-21kworker/u2:008:35:040
57479799173145,17cyclictest642726-21kworker/u2:111:20:010
57479799173143,19cyclictest594394-21kworker/u2:008:25:030
57479799171142,17cyclictest578586-21kworker/u2:207:51:180
57479799170140,19cyclictest656069-21kworker/u2:011:50:020
57479799169140,19cyclictest654319-21kworker/u2:111:56:540
57791421680,3chrt577913-21/usr/sbin/munin07:20:270
57479799168140,18cyclictest606564-21kworker/u2:010:26:500
57479799167137,19cyclictest606564-21kworker/u2:009:45:480
57479799167136,19cyclictest656069-21kworker/u2:011:35:130
57479799167130,25cyclictest583040-31find07:38:570
66529521660,4chrt665289-21ntpq12:01:060
59629321660,4chrt596292-21ld08:25:470
57479799165136,17cyclictest651380-21kworker/u2:011:20:130
57479799165133,21cyclictest84-21jbd2/mmcblk0p2-10:20:070
57974121640,4chrt579739-21sendmail_mailst07:26:220
57479799162134,17cyclictest647998-21kworker/u2:311:10:030
63861621610,4chrt638615-21ssh10:40:430
57479799161133,17cyclictest606564-21kworker/u2:010:21:530
67279221600,4chrt672793-21ssh12:23:390
60445421600,4chrt604457-21cut08:55:260
57479799159129,19cyclictest672900-21kworker/u2:212:30:110
57479799159122,28cyclictest575290-21kworker/u2:107:20:080
58508621580,4chrt585083-21ntpq07:45:360
57479799158116,18cyclictest606564-21kworker/u2:009:17:070
57479799155126,18cyclictest672900-21kworker/u2:212:35:360
57479799155126,18cyclictest606564-21kworker/u2:009:06:180
57479799155125,18cyclictest573861-21kworker/u2:007:15:000
57479799154124,18cyclictest578586-21kworker/u2:208:00:310
57479799151124,17cyclictest656069-21kworker/u2:012:15:050
57479799149121,18cyclictest587405-21kworker/u2:107:56:170
57479799147118,19cyclictest606564-21kworker/u2:009:30:500
57479799140111,18cyclictest672900-21kworker/u2:212:30:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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