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2025-12-03 - 00:54
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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 Dec 02, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880022760,3sleep0818802-21netstat08:15:290
82755022640,3chrt827544-21sshd08:46:210
84787422580,3sleep0847875-21cat09:51:490
89639422480,3sleep0896395-21ssh12:18:380
82313222480,3chrt823129-21ntpq08:30:540
80219722410,3chrt802195-21sshd07:16:080
88348322400,3chrt22-21kcompactd011:40:060
87742422390,3chrt877417-21ntpq11:21:050
86552122280,2sleep0865522-21/usr/sbin/munin10:45:300
84314722140,3sleep0843150-21timerwakeupswit09:36:570
81001522010,3sleep0810018-21cut07:44:590
80017799199170,20cyclictest29-21kswapd007:36:590
86850021960,2sleep0868501-21latency_hist10:55:010
80718321920,2sleep0807185-21grep07:35:070
89984821870,2sleep0899849-21ssh12:29:210
80017799182156,18cyclictest831582-21kworker/u2:109:17:040
89506221800,2sleep0895064-21sort12:15:080
84139821790,3sleep0841401-21switchtime09:31:390
84951521740,4chrt849517-21find09:56:480
82563421680,4chrt825635-21awk08:40:250
86110121660,4chrt861102-21mailstats10:31:460
83285521650,4chrt832854-21ld09:05:460
80017799164132,20cyclictest84-21jbd2/mmcblk0p2-08:55:030
80017799163133,20cyclictest29-21kswapd010:05:280
80017799163133,20cyclictest29-21kswapd009:40:250
80017799162131,20cyclictest84-21jbd2/mmcblk0p2-12:05:030
80017799161132,19cyclictest29-21kswapd012:06:290
87377421600,5chrt873773-21/usr/sbin/munin11:10:300
80017799160131,20cyclictest84-21jbd2/mmcblk0p2-12:35:060
80017799160130,20cyclictest29-21kswapd007:46:030
80451621570,3chrt804517-21/usr/sbin/munin07:25:120
80017799156130,16cyclictest863181-21kworker/u2:110:41:350
80017799155125,19cyclictest84-21jbd2/mmcblk0p2-11:50:050
80017799155113,20cyclictest29-21kswapd010:25:290
80017799153123,20cyclictest29-21kswapd010:01:280
80017799152119,22cyclictest857830-21mailstats10:21:490
80017799147120,18cyclictest873131-21kworker/u2:311:17:020
80017799144112,20cyclictest84-21jbd2/mmcblk0p2-07:55:060
80017799143110,22cyclictest870342-21apt-get11:00:140
80017799142115,18cyclictest894859-21kworker/u2:212:24:430
80017799137110,17cyclictest828154-21kworker/u2:209:20:360
80017799136110,18cyclictest831582-21kworker/u2:110:12:010
80017799135109,17cyclictest811415-21kworker/u2:008:26:160
80017799135109,17cyclictest802612-21kworker/u2:107:21:280
80017799135108,18cyclictest878476-21kworker/u2:111:34:480
80017799134106,17cyclictest887046-21kworker/u2:211:53:210
80017799133106,17cyclictest856963-21kworker/u2:310:39:420
80017799132105,18cyclictest845371-21kworker/u2:409:48:270
80017799132102,20cyclictest29-21kswapd011:41:310
80017799128103,17cyclictest885123-21kworker/u2:411:57:100
80017799128101,17cyclictest833334-21kworker/u2:009:27:060
80017799128100,18cyclictest864909-21kworker/u2:211:09:000
8001779912798,18cyclictest878476-21kworker/u2:111:28:550
80017799127102,17cyclictest830021-21kworker/u2:008:59:210
80017799127102,16cyclictest897838-21kworker/u2:312:38:300
80017799127101,17cyclictest833334-21kworker/u2:009:12:200
80017799127100,18cyclictest863181-21kworker/u2:110:57:050
80017799126101,17cyclictest811415-21kworker/u2:008:36:280
8001779912498,17cyclictest816992-21kworker/u2:108:12:020
8001779912197,16cyclictest814215-21kworker/u2:208:05:090
8001779912196,17cyclictest799237-21kworker/u2:207:13:330
8001779911992,18cyclictest841598-21kworker/u2:210:17:090
8001779911791,17cyclictest811415-21kworker/u2:008:04:410
8001779911589,17cyclictest828154-21kworker/u2:209:02:110
8001779911185,18cyclictest820235-21kworker/u2:108:22:310
8001779911185,17cyclictest808157-21kworker/u2:107:59:310
79970328220,19sleep00-21swapper07:06:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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