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2025-07-16 - 01:08
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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 Tue Jul 15, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340116322820,2sleep03401161-21acpi12:30:110
337439422690,3sleep03374397-21wc11:10:090
339795722610,3sleep03397955-21entropy12:20:280
339399122560,2sleep03393992-21sh12:08:100
340044822520,3sleep03400446-21users12:27:000
334648022490,4chrt3346476-21diskstats09:45:280
333857922490,3chrt3338576-21ntpq09:21:400
337164322470,2chrt3371640-21ntpq11:01:080
330404222470,3chrt3304041-21/usr/sbin/munin07:20:230
338772122440,3chrt3387722-21cat11:50:090
334163522430,3chrt3341636-21grep09:30:360
339719922380,3chrt3397200-21sh12:17:310
338804022380,3chrt3388041-21sshd11:50:370
330989022360,3chrt3309887-21ntpq07:40:540
331772722320,3chrt3317729-21idleruntime-cro08:10:000
334130322270,2sleep03341305-21cat09:30:120
330096599218179,27cyclictest3309308-31find07:40:030
335487522040,2sleep03354876-21cat10:10:330
333215522040,2sleep03332156-21/usr/sbin/munin09:00:420
330096599199169,18cyclictest3327506-21kworker/u2:108:50:030
330096599194163,19cyclictest3318177-21kworker/u2:108:30:030
330096599191160,19cyclictest3331371-21kworker/u2:109:45:040
330096599188157,20cyclictest3356463-21kworker/u2:010:20:060
333388721870,2sleep03333888-21switchtime09:06:200
331646021870,3chrt3316459-21ls08:05:070
335293721800,2sleep03352935-21cat10:05:110
330096599179150,18cyclictest3356463-21kworker/u2:010:35:300
330096599176146,21cyclictest29-21kswapd010:31:180
330096599175145,19cyclictest84-21jbd2/mmcblk0p2-11:10:520
330096599174146,18cyclictest3362638-21kworker/u2:310:50:060
336582321720,3sleep03365824-21sh10:43:480
330096599170141,20cyclictest3331371-21kworker/u2:109:20:110
330096599168139,19cyclictest3347897-21kworker/u2:209:55:040
330096599167136,19cyclictest84-21jbd2/mmcblk0p2-08:25:040
337676721660,3chrt3376753-21ntpq11:16:430
330096599165136,18cyclictest3323329-21kworker/u2:008:40:000
330096599165135,19cyclictest3326106-21kworker/u2:208:55:030
330096599164135,18cyclictest3329348-21kworker/u2:009:00:030
330096599162132,19cyclictest3362638-21kworker/u2:310:55:060
330096599162132,18cyclictest3374107-21kworker/u2:011:20:320
339105621610,4chrt3391054-21ssh12:00:080
330096599161130,19cyclictest3347897-21kworker/u2:209:55:230
330096599161128,22cyclictest3307927-21kworker/u2:208:15:370
330096599160129,20cyclictest3379070-21kworker/u2:211:35:520
330096599159127,20cyclictest3344527-21kworker/u2:009:40:040
330096599158127,20cyclictest84-21jbd2/mmcblk0p2-07:20:030
335868621570,3chrt3358687-21systemctl10:21:510
330096599156126,21cyclictest29-21kswapd012:11:370
330096599155124,20cyclictest3369277-21kworker/u2:010:56:340
330096599153125,18cyclictest3358215-21kworker/u2:210:30:050
330096599152121,19cyclictest3307927-21kworker/u2:208:15:070
330096599151124,16cyclictest3375865-21kworker/u2:311:41:410
330096599151121,19cyclictest3311743-21kworker/u2:007:50:070
330096599150121,19cyclictest29-21kswapd012:36:290
330096599149119,19cyclictest3372404-21kworker/u2:111:25:410
330096599146116,20cyclictest3334606-21kworker/u2:009:12:000
330096599144115,20cyclictest84-21jbd2/mmcblk0p2-11:33:430
330096599143113,19cyclictest3305786-21kworker/u2:107:35:030
330096599142113,18cyclictest3313562-21kworker/u2:107:55:330
330096599141111,19cyclictest3389094-21kworker/u2:112:05:050
330096599140112,18cyclictest3318177-21kworker/u2:108:31:200
331363121390,2sleep03313633-21latency_hist07:55:060
330096599134104,19cyclictest3326106-21kworker/u2:208:40:380
330096599131100,20cyclictest3347897-21kworker/u2:210:06:330
33009659912395,19cyclictest3304257-21kworker/u2:207:25:260
33009659912094,17cyclictest3291351-21kworker/u2:007:10:310
33009659911585,19cyclictest3291351-21kworker/u2:007:10:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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