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2025-10-19 - 16:56
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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 Sun Oct 19, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299283422980,4chrt2992835-21if_err_wlan007:25:230
304417622950,3chrt3044160-21ntpq10:16:160
302602022710,3chrt3026017-21ntpq09:21:140
308602622550,3chrt3086025-21vmstat12:21:590
304554322490,3chrt3045536-21ssh10:20:340
302547122460,2sleep03025472-21cut09:20:120
301578522430,3chrt3015786-21mailstats08:46:180
308704622420,4chrt3087047-21missed_timers12:25:390
300534422380,3chrt3005346-21cpu08:10:150
300993322360,3chrt3009930-21ntpq08:25:480
305386922320,3chrt3053868-21/usr/sbin/munin10:45:360
303915022310,2sleep03039151-21gcc10:00:530
300377222220,2sleep03003774-21idleruntime-cro08:05:010
307374422180,2sleep03073745-21ssh11:45:410
308415322090,2sleep03084154-21mailstats12:16:520
299845822030,3sleep02998459-21ls07:45:220
298838099199169,18cyclictest3003388-21kworker/u2:008:25:040
298838099199166,22cyclictest3003388-21kworker/u2:008:10:020
298838099198168,18cyclictest3009191-21kworker/u2:208:40:220
298838099197166,19cyclictest3069501-21kworker/u2:012:05:060
298838099196166,18cyclictest3069501-21kworker/u2:011:55:070
298838099196165,20cyclictest3079811-21kworker/u2:212:15:040
304288821940,3sleep03042886-21threads10:11:490
304759721920,3sleep03047596-21ntpq10:26:380
298838099192163,18cyclictest2998214-21kworker/u2:107:55:040
307764521870,2sleep03077646-21/usr/sbin/munin11:56:570
305111521870,3sleep03051117-21switchtime10:36:550
303402821860,2sleep03034030-21latency09:45:330
298734321860,2sleep02987346-21sort07:05:260
298838099184155,18cyclictest2995356-21kworker/u2:007:40:050
298838099180152,17cyclictest3030896-21kworker/u2:210:10:060
298838099179151,17cyclictest3003388-21kworker/u2:008:20:040
298838099178148,18cyclictest2998214-21kworker/u2:108:00:050
298838099177149,18cyclictest3017508-21kworker/u2:008:55:060
298838099177142,23cyclictest3011271-21anacron08:30:390
298838099176148,17cyclictest3039934-21kworker/u2:110:35:050
298838099175147,18cyclictest3030896-21kworker/u2:210:00:010
298838099175145,19cyclictest2989774-21kworker/u2:107:20:030
298838099171144,17cyclictest3019029-21kworker/u2:209:00:050
301979021700,4chrt3019785-21ntpq09:01:060
298838099168140,18cyclictest3065055-21kworker/u2:411:41:520
298838099168139,18cyclictest3065055-21kworker/u2:411:30:260
298838099167137,19cyclictest3065055-21kworker/u2:411:26:520
299163121660,4chrt2991628-21ntpq07:20:330
298838099163135,17cyclictest3047953-21kworker/u2:011:00:100
298838099163135,17cyclictest2983742-21kworker/u2:007:15:030
298838099163134,19cyclictest3020453-21kworker/u2:009:06:190
298838099163134,18cyclictest3062858-21kworker/u2:311:17:020
298838099162135,17cyclictest3021798-21kworker/u2:309:30:060
298838099162133,19cyclictest3069501-21kworker/u2:011:36:500
298838099162133,18cyclictest3021798-21kworker/u2:309:40:090
298838099162132,20cyclictest29-21kswapd007:40:240
298838099161132,18cyclictest3039934-21kworker/u2:111:05:110
299434821600,4chrt2994346-21memory07:30:300
298838099160131,17cyclictest3039934-21kworker/u2:111:10:280
298838099159132,16cyclictest3091646-21kworker/u2:312:40:060
298838099158129,18cyclictest3059615-21kworker/u2:211:10:080
298838099156129,17cyclictest3047953-21kworker/u2:010:45:050
298838099156128,18cyclictest3030896-21kworker/u2:209:55:050
298838099155125,20cyclictest29-21kswapd009:40:270
298838099154124,18cyclictest3023579-21kworker/u2:009:35:100
298838099149120,17cyclictest3079811-21kworker/u2:212:31:410
298838099147118,18cyclictest3019029-21kworker/u2:209:15:100
298838099147118,18cyclictest3009191-21kworker/u2:208:35:130
298838099145114,19cyclictest3030896-21kworker/u2:210:50:370
29883809913996,18cyclictest3039934-21kworker/u2:111:21:350
298838099137109,18cyclictest3076462-21kworker/u2:312:06:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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