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2026-06-20 - 07:31
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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 Sat Jun 20, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76011624740,2sleep0760118-21timerandwakeup19:06:020
78362722570,4chrt783625-21ntpq20:31:100
81648222500,3chrt816483-21latency_hist22:30:060
83647922470,3chrt836467-21ntpq23:40:550
82966022440,3chrt829658-21sendmail_mailqu23:16:150
83228322410,2chrt832281-21ld23:25:540
81448322350,3chrt814486-21awk22:21:190
76066299213181,20cyclictest782996-21kworker/u2:220:45:030
76066299208178,19cyclictest793150-21kworker/u2:221:10:070
76066299208176,20cyclictest770899-21kworker/u2:119:55:030
84870222040,2sleep0848703-21gcc00:26:050
82344722020,2sleep0823450-21wc22:55:070
76066299200168,21cyclictest793150-21kworker/u2:221:30:040
76066299196165,19cyclictest809452-21kworker/u2:122:15:070
76066299195163,20cyclictest793150-21kworker/u2:221:30:380
76066299193163,19cyclictest833556-21kworker/u2:023:50:030
76066299191162,19cyclictest782996-21kworker/u2:220:36:170
76066299189160,18cyclictest844395-21kworker/u2:100:15:060
76066299186155,19cyclictest798316-21kworker/u2:021:40:080
80424221850,3chrt804244-21grep21:45:260
76066299185153,20cyclictest833556-21kworker/u2:023:31:160
76066299184154,19cyclictest833556-21kworker/u2:000:00:130
76066299184153,19cyclictest833556-21kworker/u2:000:06:170
76066299182150,20cyclictest770899-21kworker/u2:119:50:030
81971621810,3chrt819706-21ntpq22:40:440
76066299181149,20cyclictest802502-21kworker/u2:222:10:030
76066299180151,17cyclictest778810-21kworker/u2:120:26:170
76066299180150,19cyclictest823364-21kworker/u2:123:01:240
76066299179145,23cyclictest823364-21kworker/u2:123:15:030
76066299178147,20cyclictest833556-21kworker/u2:023:56:190
76066299178147,19cyclictest823364-21kworker/u2:122:55:120
76066299177149,18cyclictest754136-21kworker/u2:219:11:170
76066299172142,19cyclictest798316-21kworker/u2:021:40:040
76066299172140,20cyclictest754136-21kworker/u2:219:20:080
76066299171143,18cyclictest770899-21kworker/u2:120:00:050
84679321680,4chrt846794-21latency_hist00:20:070
77895421660,4chrt778953-21apt-get20:15:120
76066299166136,19cyclictest774607-21kworker/u2:220:05:030
76066299166134,20cyclictest774607-21kworker/u2:220:05:180
76066299165134,19cyclictest754136-21kworker/u2:219:35:110
76066299163134,18cyclictest793150-21kworker/u2:221:11:170
76066299163134,18cyclictest787193-21kworker/u2:121:00:030
76066299163132,19cyclictest778810-21kworker/u2:120:21:190
76066299162132,20cyclictest844395-21kworker/u2:100:25:060
76066299162131,19cyclictest787193-21kworker/u2:120:50:370
76066299161131,19cyclictest823364-21kworker/u2:123:10:030
76066299160133,16cyclictest849475-21kworker/u2:200:40:060
76066299160130,19cyclictest821041-21kworker/u2:022:50:060
76066299160129,20cyclictest849475-21kworker/u2:200:30:520
76416021590,2sleep0764163-21grep19:21:230
76066299159127,20cyclictest833556-21kworker/u2:023:50:290
76066299158129,18cyclictest802502-21kworker/u2:222:00:070
76066299157127,19cyclictest809452-21kworker/u2:122:20:050
76066299156126,19cyclictest802502-21kworker/u2:222:05:030
76066299156124,20cyclictest795520-21kworker/u2:121:15:390
76066299155125,19cyclictest823364-21kworker/u2:123:25:060
76066299155125,19cyclictest754136-21kworker/u2:219:30:420
76066299154125,18cyclictest815023-21kworker/u2:222:35:070
76066299153122,19cyclictest789952-21kworker/u2:021:05:070
76066299152121,20cyclictest833556-21kworker/u2:023:35:530
76066299150121,19cyclictest774607-21kworker/u2:220:15:030
76066299150120,20cyclictest815023-21kworker/u2:222:40:050
76066299148118,19cyclictest787193-21kworker/u2:120:45:530
76066299146117,18cyclictest754136-21kworker/u2:219:45:030
76066299143114,18cyclictest793150-21kworker/u2:221:25:060
76066299142112,19cyclictest754136-21kworker/u2:219:30:040
76066299139109,19cyclictest802502-21kworker/u2:221:50:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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