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2025-11-24 - 03:34
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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 Mon Nov 24, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66702422540,4chrt667018-21munin-run00:10:070
59400822530,2chrt594007-21/usr/sbin/munin20:26:210
67242522490,2sleep0672426-21/usr/sbin/munin00:25:310
67561522460,2sleep0675616-21/usr/sbin/munin00:35:110
57225622430,2sleep0572258-21sort19:10:070
65212922390,3chrt652127-21ssh23:25:330
62981922320,3chrt629820-21ssh22:20:220
58199322210,3sleep0581994-21latency_hist19:45:070
59204622170,2sleep0592049-21cut20:20:270
61671022160,3sleep0616712-21collect221:41:470
66084322110,2sleep0660844-21rm23:50:460
64173322100,2sleep0641731-21df22:55:170
66250322050,2sleep0662504-21cat23:55:400
60580222030,2sleep0605803-21date21:10:120
64388122000,2sleep0643882-21sh23:01:140
62378322000,3sleep0623784-21timerandwakeup22:02:010
57216299199167,20cyclictest630743-21kworker/u2:322:26:400
57216299198163,22cyclictest664258-21ldconfig00:00:550
57216299196166,19cyclictest606838-21kworker/u2:321:21:340
57216299189159,19cyclictest648358-21kworker/u2:023:25:050
64987621860,2sleep0649877-21rm23:19:100
61267421850,2sleep0612676-21cpu21:30:140
57216299185156,19cyclictest634316-21kworker/u2:123:15:060
57216299178148,19cyclictest620795-21kworker/u2:322:00:070
57216299174144,19cyclictest84-21jbd2/mmcblk0p2-23:45:110
65451821730,3chrt653621-21/usr/sbin/munin23:32:020
61996221710,4chrt619955-21ntpq21:51:120
65926921700,4chrt659266-21ntpq23:46:130
60734521670,3chrt607346-21cron21:15:000
58767521670,3chrt587678-21grep20:05:130
57216299167137,19cyclictest577753-21kworker/u2:219:31:200
65580321660,4chrt655796-21ntpq23:36:070
59785021650,4chrt597849-21sshd20:40:530
57216299165137,18cyclictest596365-21kworker/u2:020:40:050
63705021640,4chrt637051-21ld22:41:130
57216299164134,19cyclictest675181-21kworker/u2:100:36:580
61479121630,3chrt614775-21ntpq21:36:020
59927921620,3chrt599277-21ntpq20:46:010
60339921610,3chrt603400-21ld21:00:490
62972921600,3chrt629731-21sort22:20:140
57216299160130,19cyclictest610771-21kworker/u2:222:06:570
57216299159130,19cyclictest610771-21kworker/u2:221:25:300
57216299159128,21cyclictest29-21kswapd000:21:450
57216299152119,22cyclictest669606-21find00:16:580
57216299151121,19cyclictest583332-21kworker/u2:020:01:210
57216299149123,15cyclictest610771-21kworker/u2:222:10:310
57216299149118,19cyclictest666695-21kworker/u2:100:10:260
57216299148122,16cyclictest630743-21kworker/u2:322:30:260
57216299147117,19cyclictest572170-21kworker/u2:119:16:180
57216299147116,19cyclictest589310-21kworker/u2:220:20:040
57216299144115,19cyclictest634316-21kworker/u2:122:51:570
57216299143115,18cyclictest583332-21kworker/u2:020:15:070
57216299143114,19cyclictest579737-21kworker/u2:119:50:050
57216299143113,19cyclictest599992-21kworker/u2:120:51:210
57216299143112,20cyclictest576187-21kworker/u2:019:30:060
57216299141113,18cyclictest630743-21kworker/u2:322:36:370
57216299140111,20cyclictest29-21kswapd023:06:330
57216299140110,19cyclictest606838-21kworker/u2:321:15:330
57216299138109,18cyclictest598373-21kworker/u2:221:00:040
57216299137109,17cyclictest637633-21kworker/u2:222:50:050
57216299135108,18cyclictest572170-21kworker/u2:119:20:080
57216299134106,18cyclictest579737-21kworker/u2:119:55:060
57216299132103,18cyclictest583332-21kworker/u2:020:00:080
57216299132102,19cyclictest84-21jbd2/mmcblk0p2-21:46:180
57216299131101,18cyclictest84-21jbd2/mmcblk0p2-19:11:190
5721629912798,19cyclictest579737-21kworker/u2:119:40:030
5721629911185,16cyclictest590780-21kworker/u2:120:35:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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