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2025-09-18 - 17:43
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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 Thu Sep 18, 2025 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
370452722990,3chrt3704476-21ntp_states11:41:380
363210822500,3chrt3632103-21ntpq07:55:550
369400322430,3sleep022-21kcompactd011:10:510
367167722380,3chrt3671678-21sh10:05:430
364620222350,3chrt3646201-21/usr/sbin/munin08:46:160
369689522240,3chrt3696896-21sh11:20:010
361895299223189,23cyclictest3626919-21time-dir07:36:520
369208122060,2sleep03692079-21if_eth011:05:290
365781522050,2sleep03657813-21df09:25:180
369983322030,2sleep03699834-21sh11:27:340
366138622000,2sleep03661387-21/usr/sbin/munin09:35:370
361895299198164,22cyclictest3673235-21/usr/sbin/munin10:10:290
372137821970,2sleep03721380-21awk12:30:410
361895299197167,19cyclictest3635739-21kworker/u2:008:25:050
363090221960,3sleep03630905-21grep07:51:180
361895299196167,18cyclictest3694948-21kworker/u2:211:20:370
361895299196167,17cyclictest3659172-21kworker/u2:209:55:290
370091321940,4chrt3700914-21ntpq11:31:010
361895299193163,20cyclictest3659172-21kworker/u2:210:25:060
361895299191162,18cyclictest3631939-21kworker/u2:208:10:040
370927121900,2sleep03709274-21sh11:55:360
361895299188158,18cyclictest3715353-21kworker/u2:012:15:150
361895299185158,18cyclictest3659172-21kworker/u2:209:45:050
361820121840,2sleep03618204-21wc07:06:000
371306921830,4chrt3713055-21ntpq12:06:350
361895299182154,17cyclictest3664009-21kworker/u2:309:50:050
361895299181152,18cyclictest3664009-21kworker/u2:310:15:580
361895299180151,18cyclictest3651648-21kworker/u2:009:20:360
361895299179151,17cyclictest3648284-21kworker/u2:209:10:080
361895299179149,19cyclictest3659172-21kworker/u2:210:26:580
361895299179149,18cyclictest3610987-21kworker/u2:107:20:060
370384621770,4chrt3703844-21cat11:40:100
361895299175145,18cyclictest3681237-21kworker/u2:110:50:510
361895299173143,18cyclictest3681237-21kworker/u2:111:00:150
361895299172144,18cyclictest3654067-21kworker/u2:309:15:110
361895299172143,18cyclictest3666142-21kworker/u2:409:55:050
361895299172142,18cyclictest3705323-21kworker/u2:211:45:340
361895299171140,20cyclictest3684429-21kworker/u2:010:45:040
361895299171137,22cyclictest3669690-21apt-get10:00:130
361895299171137,21cyclictest3628194-21sensors_temp07:41:170
361895299170141,18cyclictest3654067-21kworker/u2:309:35:060
361895299170140,19cyclictest3707070-21kworker/u2:312:22:030
361895299170138,21cyclictest3715004-21sensors_temp12:11:580
361895299169140,19cyclictest3681237-21kworker/u2:110:35:040
361895299169138,20cyclictest29-21kswapd012:26:400
361895299168141,17cyclictest3659172-21kworker/u2:210:36:590
361895299168140,17cyclictest3635739-21kworker/u2:008:11:180
361895299168139,19cyclictest3693237-21kworker/u2:011:50:320
361895299168139,19cyclictest3684429-21kworker/u2:010:55:270
361895299168138,18cyclictest3610987-21kworker/u2:107:31:160
361895299167138,18cyclictest3710654-21kworker/u2:112:01:580
361895299166137,17cyclictest3631939-21kworker/u2:208:15:370
361895299164136,18cyclictest3625505-21kworker/u2:008:01:190
364447521630,3chrt3644474-21/usr/sbin/munin08:40:270
361895299162133,19cyclictest3639653-21kworker/u2:208:35:340
361895299161131,18cyclictest3648284-21kworker/u2:209:00:090
361895299159131,16cyclictest3628777-21kworker/u2:107:50:030
361895299158127,19cyclictest3621761-21kworker/u2:007:25:160
361895299156129,16cyclictest3641319-21kworker/u2:109:05:050
361895299156128,17cyclictest3654067-21kworker/u2:309:20:060
361895299156126,20cyclictest29-21kswapd010:45:270
361895299154124,19cyclictest3707070-21kworker/u2:312:35:510
361895299152122,18cyclictest3641319-21kworker/u2:108:30:370
361895299150121,18cyclictest3635739-21kworker/u2:008:25:320
361895299149120,19cyclictest3641319-21kworker/u2:108:50:090
361895299148116,20cyclictest84-21jbd2/mmcblk0p2-07:20:370
361895299142113,18cyclictest3620108-21kworker/u2:207:15:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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