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2025-09-19 - 02:22
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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 Fri Sep 19, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
395829223020,3sleep03958293-21cpu23:25:160
397776822670,4chrt3976910-21/usr/sbin/munin00:22:000
392664922640,2sleep03926650-21sh21:51:470
393977922630,3sleep03939782-21sed22:30:370
392826722550,4chrt3928251-21ntpq21:56:300
393166322470,3chrt3931661-21ntpq22:06:330
392015222440,2sleep03920156-21wc21:32:010
392140122400,3chrt3921397-21ntpq21:36:100
398260822220,2sleep03982610-21rm00:36:480
393818222150,2sleep03938183-21/usr/sbin/munin22:25:400
391513622140,3sleep03915137-21ssh21:17:180
394313022130,3sleep03943128-21kernelversion22:40:340
387948599210182,17cyclictest3951264-21kworker/u2:223:10:060
387948599207177,19cyclictest3922274-21kworker/u2:121:40:300
396634421980,3sleep03966345-21ssh23:48:560
393500321960,3sleep03935004-21cat22:16:240
393023721960,2sleep03930239-21cat22:01:570
387948599194164,18cyclictest3912766-21kworker/u2:221:30:070
387948599191163,18cyclictest3949187-21kworker/u2:123:11:460
387948599190160,19cyclictest3967790-21kworker/u2:100:00:300
394147621880,2sleep03941477-21cat22:35:370
387948599184151,21cyclictest3974340-21sensors00:11:550
396717921820,4chrt3967176-21ntpq23:51:060
389436021810,2sleep03894361-21cat20:01:230
387948599181147,22cyclictest3978723-21awk00:25:300
387948599179152,17cyclictest3951264-21kworker/u2:223:20:050
387948599179139,17cyclictest3967790-21kworker/u2:100:00:140
395136421780,2sleep03951367-21latency_hist23:05:090
387948599178149,18cyclictest3962865-21kworker/u2:300:16:570
387948599178148,19cyclictest3878086-21kworker/u2:019:30:030
387948599177148,18cyclictest3956159-21kworker/u2:023:36:410
387948599175145,19cyclictest3893443-21kworker/u2:220:20:030
387948599175145,19cyclictest3879931-21kworker/u2:119:15:030
387948599173144,18cyclictest3942410-21kworker/u2:222:50:050
387948599173143,18cyclictest3881511-21kworker/u2:219:20:010
393693221720,3chrt3936934-21mailstats22:21:500
390514421720,3chrt3905141-21ntpq20:40:540
387948599172143,17cyclictest3915555-21kworker/u2:121:20:300
387948599171140,20cyclictest3942410-21kworker/u2:222:52:060
387948599169138,20cyclictest84-21jbd2/mmcblk0p2-23:45:050
387948599168141,17cyclictest3886265-21kworker/u2:119:35:030
387948599168140,18cyclictest3962865-21kworker/u2:300:10:100
387948599168137,19cyclictest3900841-21kworker/u2:120:30:360
387948599167137,18cyclictest3942410-21kworker/u2:222:55:370
395693821660,4chrt3956939-21ld23:20:550
393320121660,3chrt3933202-21ld22:11:030
389994421660,3chrt3899945-21timerwakeupswit20:21:280
389115121660,4chrt3891146-21ntpq19:50:450
387948599166137,18cyclictest3917530-21kworker/u2:021:46:530
387948599166136,18cyclictest3951264-21kworker/u2:223:31:580
387948599166136,18cyclictest3907042-21kworker/u2:020:50:380
387948599165137,18cyclictest3912766-21kworker/u2:221:15:100
390086721640,3chrt3900857-21ntpq20:25:360
387948599164136,17cyclictest3878086-21kworker/u2:019:25:030
398115621630,4chrt3981160-21wc00:31:590
387948599163133,18cyclictest3886265-21kworker/u2:119:41:220
387948599161133,17cyclictest3902278-21kworker/u2:221:00:050
387948599159130,17cyclictest3886265-21kworker/u2:119:35:370
387948599159129,18cyclictest3902278-21kworker/u2:221:00:370
387948599156127,18cyclictest3909508-21kworker/u2:021:05:290
387948599150122,17cyclictest3895214-21kworker/u2:020:05:320
387948599149118,19cyclictest3902278-21kworker/u2:220:45:420
387948599148120,17cyclictest3902278-21kworker/u2:220:36:370
387948599146119,17cyclictest3893443-21kworker/u2:220:15:050
387948599145116,18cyclictest3891791-21kworker/u2:120:00:070
387948599143116,17cyclictest3878086-21kworker/u2:019:10:050
387948599131103,18cyclictest3889738-21kworker/u2:019:46:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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