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2026-09-09 - 12:59
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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 Wed Sep 09, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284637723080,4chrt2846378-21/usr/sbin/munin22:35:020
281584922890,2sleep02815850-21latency_hist20:45:070
284373322600,2chrt2843734-21/usr/sbin/munin22:25:110
283432122540,3chrt2834319-21ld21:50:410
280378022540,3chrt2803776-21ntpq20:01:060
287186722510,4chrt2871863-21ps00:06:160
281240422500,3sleep02812405-21cat20:31:200
282323322460,4chrt2823230-21ntpq21:10:500
285961022440,3chrt2859606-21ps23:21:160
278922499239208,19cyclictest2867261-21kworker/u2:100:00:380
280476222220,3chrt2804756-21df_inode20:05:170
278922499205174,19cyclictest2859402-21kworker/u2:200:20:030
280970022040,3sleep02809701-21cat20:21:200
278795222040,2sleep02787954-21sort19:05:110
287990922030,2sleep02879907-21memory00:35:300
278922499198166,20cyclictest2859402-21kworker/u2:200:25:030
278922499195165,18cyclictest2878578-21kworker/u2:000:30:330
278922499194162,19cyclictest2788318-21kworker/u2:219:20:040
278922499189158,20cyclictest2833842-21kworker/u2:022:10:370
278922499189158,19cyclictest2778735-21kworker/u2:119:15:040
285417621870,2sleep02854179-21sed23:01:180
278922499187157,19cyclictest2864982-21kworker/u2:023:45:020
283018721850,2sleep02830188-21collect221:35:490
278922499185156,18cyclictest2859402-21kworker/u2:200:00:050
278922499185154,19cyclictest2859402-21kworker/u2:223:50:060
278922499184154,18cyclictest2876748-21kworker/u2:100:26:170
278922499181150,20cyclictest2833842-21kworker/u2:022:05:070
278922499181149,20cyclictest2850887-21kworker/u2:123:15:030
278922499180150,19cyclictest2859402-21kworker/u2:223:35:030
278922499178147,20cyclictest2825983-21kworker/u2:121:30:380
278922499177151,17cyclictest2833842-21kworker/u2:022:10:050
278922499176133,19cyclictest2846805-21kworker/u2:222:45:020
278922499174144,19cyclictest2795238-21kworker/u2:119:35:360
278922499173143,19cyclictest2816202-21kworker/u2:220:46:190
282180421710,3chrt2821801-21ntpq21:05:420
278922499170141,17cyclictest2850887-21kworker/u2:122:55:360
278922499170139,19cyclictest2873055-21kworker/u2:100:11:200
278922499170139,18cyclictest2819926-21kworker/u2:021:01:210
285811821690,3chrt2858116-21ntpq23:16:040
278922499169141,19cyclictest2816202-21kworker/u2:221:00:080
278922499168138,20cyclictest2850887-21kworker/u2:123:10:030
278922499168137,19cyclictest2859402-21kworker/u2:223:25:280
278922499167137,18cyclictest2824088-21kworker/u2:221:20:080
278922499167136,19cyclictest2849163-21kworker/u2:022:50:060
278922499166135,19cyclictest2825983-21kworker/u2:121:30:080
279819221640,4chrt2798190-21ntp_states19:41:000
278922499164133,19cyclictest2795238-21kworker/u2:119:35:040
278922499163132,19cyclictest2859402-21kworker/u2:223:35:380
278922499163132,19cyclictest2807373-21kworker/u2:120:16:180
278922499162133,18cyclictest2833842-21kworker/u2:021:56:190
279426821610,3chrt2794271-21wc19:26:190
278922499160130,18cyclictest2788318-21kworker/u2:219:20:220
278922499160129,19cyclictest2795238-21kworker/u2:119:45:220
278922499157128,18cyclictest2828273-21kworker/u2:221:45:030
278922499157128,18cyclictest2800371-21kworker/u2:020:40:070
278922499156126,18cyclictest2833842-21kworker/u2:022:15:290
278922499155125,19cyclictest2800371-21kworker/u2:020:11:180
278922499155124,19cyclictest2840797-21kworker/u2:122:20:130
278922499153125,19cyclictest2795238-21kworker/u2:119:51:200
278922499153124,18cyclictest2840797-21kworker/u2:122:40:060
278922499151121,19cyclictest2800371-21kworker/u2:020:50:230
278922499149120,19cyclictest2800371-21kworker/u2:020:25:380
278922499148117,20cyclictest2824088-21kworker/u2:221:20:380
278922499146117,19cyclictest2800371-21kworker/u2:019:56:220
278922499145119,18cyclictest2850887-21kworker/u2:122:51:210
278922499145117,17cyclictest2859402-21kworker/u2:223:55:040
278922499145116,19cyclictest2828273-21kworker/u2:221:50:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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