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2026-03-21 - 17:03
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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 Sat Mar 21, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244918899293262,20cyclictest29-21kswapd007:36:310
251971622900,3sleep02519718-21switchtime11:21:190
247290522630,2sleep02472906-21latency_hist08:35:000
252447722520,2sleep02524478-21latency_hist11:40:070
250994022420,3chrt2509938-21/usr/sbin/munin10:46:220
251526222370,3chrt2515250-21ntpq11:05:590
251896122120,2sleep02518963-21sort11:20:080
248011222050,4sleep02480110-21df_inode09:00:160
248907821980,3sleep02489079-21cat09:31:200
244918899187153,23cyclictest2526581-21t-helper11:46:210
253506921860,3sleep02535070-21/usr/sbin/munin12:16:180
244918899183125,47cyclictest2474095-40find08:38:220
245115021800,4chrt2451136-21ntpq07:15:550
244918899179148,20cyclictest83-21jbd2/mmcblk0p2-11:15:040
253163821700,3chrt2531636-21df_inode12:05:160
253052821650,4chrt2530529-21ntpq12:00:410
247477321640,4chrt2474458-21/usr/sbin/munin08:40:320
244918899156128,19cyclictest2492432-21kworker/u2:210:00:080
244918899156122,23cyclictest2455276-21anacron07:30:460
244918899148118,18cyclictest2525826-21kworker/u2:211:55:330
251231221450,3sleep02512314-21missed_timers10:55:340
244918899141110,19cyclictest2507746-21kworker/u2:111:00:300
244918899134106,19cyclictest2525826-21kworker/u2:211:51:280
244918899134106,19cyclictest2492432-21kworker/u2:210:00:160
244918899132106,17cyclictest2490095-21kworker/u2:109:41:040
244918899132102,20cyclictest2456708-21kworker/u2:008:10:020
24491889913097,22cyclictest2458051-21netstat07:40:320
24491889912699,18cyclictest2519364-21kworker/u2:111:30:250
24491889912689,28cyclictest2533296-21kworker/u2:112:11:020
24491889912596,20cyclictest2502177-21kworker/u2:210:35:140
250029921190,3sleep02500300-21cat10:11:240
245471321170,2sleep02454714-21sshd07:29:450
24491889911588,19cyclictest2537384-21kworker/u2:112:35:030
253998621120,2sleep02539987-21sh12:35:170
24491889911285,18cyclictest2492432-21kworker/u2:209:45:490
24491889910981,19cyclictest2492432-21kworker/u2:209:54:470
24491889910979,19cyclictest2507746-21kworker/u2:110:42:170
24491889910979,19cyclictest2502177-21kworker/u2:210:33:020
24491889910977,21cyclictest2459203-21df07:45:140
24491889910530,17cyclictest2524635-21df11:40:140
24491889910335,14cyclictest2487826-21seq09:26:350
24491889910329,17cyclictest2537172-21cpu12:25:130
24491889910234,15cyclictest361-21ntpd08:01:070
24491889910232,18cyclictest2477683-21ntpq08:50:580
24491889910223,16cyclictest2478639-21cpu08:55:130
24491889910132,16cyclictest2470581-21ntpq08:25:320
24491889910130,17cyclictest2520821-21ntpq11:25:570
24491889910129,17cyclictest2449499-21runrttasks07:10:260
24491889910129,16cyclictest2498201-21df_inode10:05:170
24491889910128,17cyclictest2490117-21ntpq09:35:420
24491889910123,16cyclictest2503944-21runrttasks10:25:310
24491889910113,28cyclictest2466816-21grep08:11:200
24491889910033,57cyclictest2510676-21cpu10:50:130
24491889910031,17cyclictest2483265-21ntp_states09:10:580
24491889910031,16cyclictest2469394-21ntpq08:21:100
24491889910029,16cyclictest2476022-21irqstats08:45:260
24491889910028,17cyclictest2461913-21acpi07:55:120
24491889910012,19cyclictest2503545-21latency_hist10:25:070
2449188999931,16cyclictest2481916-21ntpq09:06:110
2449188999928,17cyclictest2501360-21ntpq10:16:010
2449188999927,18cyclictest1-21systemd08:20:040
2449188999829,16cyclictest2460935-21ntpq07:50:530
2449188999828,17cyclictest2536062-21ld12:20:350
2449188999717,18cyclictest2485839-21sort09:20:260
2449188999711,36cyclictest2485086-21runrttasks09:17:030
2449188999528,16cyclictest2452479-21ntpq07:20:400
2449188999412,20cyclictest2449288-21cat07:10:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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