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2026-08-25 - 04:15
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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 Tue Aug 25, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385841722820,2sleep03858418-21sed21:46:320
388443622630,4chrt3884424-21ntpq23:20:350
386088922620,2sleep03860890-21sh21:56:020
381452422610,4chrt3814523-21/usr/sbin/munin19:10:130
387613722580,3chrt3876134-21ntpq22:50:480
382886422450,3chrt3828862-21ntpq20:01:020
387180222400,2chrt3871798-21memory22:35:270
384672122180,2sleep03846723-21latency21:05:260
386036822170,2sleep03860370-21sort21:55:070
381431799211180,18cyclictest3886748-21kworker/u2:200:20:070
382595922050,2sleep03825961-21grep19:50:400
386735622010,2sleep03867357-21date22:20:080
384634822010,2sleep03846350-21idleruntime-cro21:05:000
381431799198168,18cyclictest3886748-21kworker/u2:200:06:230
381431799196164,20cyclictest3847754-21kworker/u2:021:20:030
381431799194164,19cyclictest3881668-21kworker/u2:023:31:170
381431799194164,19cyclictest3821168-21kworker/u2:219:36:170
381431799192162,19cyclictest3886748-21kworker/u2:200:00:100
381431799192160,20cyclictest3847754-21kworker/u2:021:41:180
381431799189160,19cyclictest3826856-21kworker/u2:020:31:220
381431799188157,19cyclictest3865849-21kworker/u2:022:30:080
381431799188156,20cyclictest3886748-21kworker/u2:223:58:010
389091021870,3sleep03890912-21munin-plugin-st23:45:010
381431799186154,19cyclictest3886748-21kworker/u2:200:11:210
384279321830,4chrt3842791-21ntpq20:51:040
381431799182152,18cyclictest3826856-21kworker/u2:020:41:180
381431799181152,19cyclictest3847754-21kworker/u2:021:26:160
381431799181149,20cyclictest3826856-21kworker/u2:020:10:030
381431799180150,19cyclictest3826856-21kworker/u2:020:40:030
381431799180147,20cyclictest3853710-21kworker/u2:221:31:220
381431799179150,19cyclictest3899437-21kworker/u2:100:31:180
381431799179148,20cyclictest3824494-21kworker/u2:119:56:200
384395621780,2sleep03843957-21cat20:55:280
381431799178146,20cyclictest3841286-21kworker/u2:121:11:200
381431799177147,19cyclictest3826856-21kworker/u2:020:30:030
381431799176147,19cyclictest3865849-21kworker/u2:023:00:120
381431799176145,19cyclictest3826856-21kworker/u2:020:16:220
381431799176144,20cyclictest3880210-21kworker/u2:123:10:120
381431799176136,18cyclictest3821168-21kworker/u2:219:45:070
381431799174144,19cyclictest3841286-21kworker/u2:120:46:200
381431799173143,19cyclictest3865849-21kworker/u2:023:00:080
381431799173142,19cyclictest3897660-21kworker/u2:000:22:240
381431799171141,19cyclictest3804750-21kworker/u2:119:30:060
383162321700,4chrt3831622-21ld20:10:580
381431799170140,20cyclictest3860776-21kworker/u2:122:05:040
383462421680,3chrt3834627-21awk20:21:240
381431799168137,19cyclictest3886748-21kworker/u2:223:36:580
381431799165134,19cyclictest3899437-21kworker/u2:100:26:200
388310821640,4chrt3883105-21ntpq23:15:520
381431799164136,17cyclictest3881668-21kworker/u2:023:30:060
381431799163132,19cyclictest3860776-21kworker/u2:122:05:080
381431799161131,19cyclictest3865849-21kworker/u2:022:31:200
381431799160132,18cyclictest3847754-21kworker/u2:021:25:050
381431799158127,19cyclictest3865849-21kworker/u2:022:40:380
381431799156127,19cyclictest3865849-21kworker/u2:022:21:140
381431799156124,20cyclictest3804750-21kworker/u2:119:20:310
381431799155124,20cyclictest3886748-21kworker/u2:223:50:030
381431799155124,18cyclictest3824494-21kworker/u2:119:50:070
381431799151124,17cyclictest3865849-21kworker/u2:022:50:060
381431799151121,20cyclictest3847754-21kworker/u2:021:36:020
381431799151121,19cyclictest3804750-21kworker/u2:119:20:070
381431799150121,18cyclictest3804750-21kworker/u2:119:31:170
381431799148119,18cyclictest3899437-21kworker/u2:100:35:110
381431799136106,18cyclictest3865849-21kworker/u2:023:05:080
381431799133104,18cyclictest3863077-21kworker/u2:222:11:270
381431799131102,18cyclictest3886748-21kworker/u2:223:55:060
38143179910477,17cyclictest3804750-21kworker/u2:119:10:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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