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2025-11-21 - 03:40
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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 100 highest latencies:
System rack3slot2.osadl.org (updated Fri Nov 21, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320022223160,2sleep03200221-21awk19:05:260
329510222800,3chrt3295042-21ssh00:07:030
326236622710,3chrt3262348-21ntpq22:31:000
324252822620,3sleep03242530-21timerandwakeup21:32:000
324855822590,2sleep03248561-21sshd21:50:310
330176122460,3sleep03301759-21switchtime00:26:530
327764722450,4chrt3277648-21gcc23:16:010
323647522440,3sleep03236478-21wc21:15:110
327442222390,3chrt3274421-21ssh23:06:350
321841522390,3chrt3218410-21ntpq20:10:410
325396722340,2sleep03253968-21sh22:06:160
326184022180,2sleep03261841-21cat22:30:090
320119699218147,22cyclictest3240097-21/usr/sbin/munin21:25:290
328601822160,4chrt3286019-21sh23:40:390
329079822050,2sleep03290801-21latency_hist23:55:120
328781022030,3sleep03287812-21ntp_kernel_err23:45:500
327563122020,2sleep03275629-21entropy23:10:270
324711121900,2sleep03247112-21ssh21:45:580
325331021890,3sleep03253311-21sh22:05:000
320264121890,2sleep03202642-21ls19:15:070
321257321860,2sleep03212574-21df19:50:160
320119699186157,20cyclictest29-21kswapd019:25:220
329283121820,4chrt3292830-21/usr/sbin/munin00:00:360
322383821790,3chrt3223836-21irqstats20:30:310
327372521760,4chrt3273727-21latency_hist23:05:100
320119699173142,19cyclictest3202147-21kworker/u2:119:41:140
320119699171142,19cyclictest29-21kswapd021:20:300
320119699170140,19cyclictest84-21jbd2/mmcblk0p2-22:40:080
320119699168137,20cyclictest84-21jbd2/mmcblk0p2-23:00:050
329126021670,3chrt3291257-21ntpq23:55:590
324540521650,3chrt3245396-21ntpq21:40:510
322943121640,4chrt3229434-21kernelversion20:50:270
328530721630,4chrt3285306-21ssh23:38:450
320119699161128,22cyclictest112-21systemd-journal21:00:040
328187321590,2sleep03281874-21sh23:28:310
320119699159130,18cyclictest3216549-21kworker/u2:020:10:070
320119699159128,20cyclictest3254988-21kworker/u2:122:11:590
320119699159128,19cyclictest3233059-21kworker/u2:322:45:280
320119699158127,19cyclictest3214744-21kworker/u2:120:00:080
320119699158127,19cyclictest3203675-21kworker/u2:219:20:070
320119699154126,19cyclictest3290698-21kworker/u2:100:13:430
320119699149120,18cyclictest3214744-21kworker/u2:120:00:330
320119699149119,19cyclictest3277008-21kworker/u2:323:35:050
328060121480,2sleep03280603-21sort23:25:100
320119699148118,20cyclictest3233059-21kworker/u2:321:20:090
320119699148118,19cyclictest3298959-21kworker/u2:000:22:020
320119699147116,19cyclictest3233059-21kworker/u2:322:40:310
320119699144115,18cyclictest3216549-21kworker/u2:020:20:040
320119699141112,19cyclictest3298959-21kworker/u2:000:36:420
329924121390,3sleep03299244-21latency_hist00:20:110
320119699139109,19cyclictest3216549-21kworker/u2:020:25:070
321161121380,2sleep03211612-21ntpq19:46:100
320119699137108,19cyclictest3264660-21kworker/u2:122:55:000
320119699137107,19cyclictest3233059-21kworker/u2:322:15:360
320119699136108,18cyclictest3230487-21kworker/u2:121:10:110
320119699135105,18cyclictest3254988-21kworker/u2:122:25:100
320119699133103,19cyclictest84-21jbd2/mmcblk0p2-21:00:550
320119699133102,20cyclictest84-21jbd2/mmcblk0p2-20:26:170
32011969912999,19cyclictest3206785-21kworker/u2:219:31:180
32011969912898,19cyclictest3236427-21kworker/u2:221:36:210
32011969912494,19cyclictest3295707-21kworker/u2:300:31:350
32011969912190,20cyclictest84-21jbd2/mmcblk0p2-20:45:290
32011969912189,21cyclictest84-21jbd2/mmcblk0p2-19:20:300
32011969912091,19cyclictest3202147-21kworker/u2:119:40:020
32011969911887,20cyclictest3233059-21kworker/u2:321:56:590
32011969911789,18cyclictest3216549-21kworker/u2:020:45:040
32011969911787,19cyclictest3216549-21kworker/u2:020:35:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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