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2025-11-20 - 07:03
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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 Thu Nov 20, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268321226200,4sleep02683210-21kernelversion19:05:250
272646122420,2chrt2726456-21ntpq21:50:440
272820922410,3chrt2728207-21ntpq21:55:540
271339722400,3chrt2713395-21uptime21:12:080
277362722370,4chrt2773626-21ssh00:09:180
271764922370,2sleep02717650-21df21:25:170
277953022330,3chrt2779527-21ntpq00:26:120
269639122290,3chrt2696389-21switchtime20:11:230
277135622130,2sleep02771358-21ls00:01:280
277579522070,2sleep02775793-21if_eth000:15:300
273837322040,2sleep02738375-21cat22:25:410
271538022020,2sleep022-21kcompactd021:18:250
275690722000,2sleep02756908-21date23:20:120
272114822000,2sleep02721149-21/usr/sbin/munin21:35:290
278237721990,2sleep02782378-21date00:35:100
268428999190161,18cyclictest2748042-21kworker/u2:022:55:310
268428999187155,21cyclictest84-21jbd2/mmcblk0p2-23:20:050
268428999186157,18cyclictest2765899-21kworker/u2:323:55:060
268428999183158,16cyclictest2746025-21kworker/u2:323:25:300
268428999183154,19cyclictest2739447-21kworker/u2:122:55:080
268428999181153,18cyclictest2760106-21kworker/u2:123:45:060
275080421800,3chrt2750805-21ps23:01:550
273448321800,4chrt2734479-21munin-run22:15:010
268428999180152,17cyclictest2751139-21kworker/u2:223:40:060
268428999179148,20cyclictest2717094-21kworker/u2:221:25:040
268428999178148,19cyclictest2727212-21kworker/u2:022:20:020
268428999178146,19cyclictest2688060-21kworker/u2:220:00:020
270691621760,3chrt2706914-21df20:50:170
268428999176147,18cyclictest2703009-21kworker/u2:020:40:020
268428999175145,18cyclictest2730626-21kworker/u2:322:05:270
268428999174144,19cyclictest2739447-21kworker/u2:122:45:050
268428999173146,17cyclictest2718891-21kworker/u2:121:50:040
274202121710,4chrt2742018-21ssh22:36:230
268428999171143,18cyclictest2775435-21kworker/u2:100:25:100
268428999171140,19cyclictest2709512-21kworker/u2:121:05:070
268428999170139,19cyclictest2697419-21kworker/u2:020:16:220
274004221680,3chrt2740044-21load22:30:360
268428999168140,18cyclictest2727212-21kworker/u2:022:01:590
268428999168140,17cyclictest2703009-21kworker/u2:020:41:210
268428999168138,19cyclictest2713502-21kworker/u2:321:31:560
268428999168138,19cyclictest2691799-21kworker/u2:020:06:210
268428999167137,18cyclictest2684298-21kworker/u2:019:20:070
273764521660,3chrt2737646-21ssh22:23:410
270135621660,3chrt22-21kcompactd020:30:220
268428999166138,18cyclictest2780519-21kworker/u2:300:40:060
268428999166136,18cyclictest2688060-21kworker/u2:220:50:010
268428999165134,19cyclictest2773286-21kworker/u2:200:10:240
269320221640,4chrt2693201-21/usr/sbin/munin20:00:390
268428999161132,18cyclictest2751139-21kworker/u2:223:56:560
268428999160132,17cyclictest2765899-21kworker/u2:323:50:060
268428999157130,16cyclictest2709512-21kworker/u2:121:10:060
268428999155124,18cyclictest2688060-21kworker/u2:219:40:010
268428999154126,18cyclictest2718891-21kworker/u2:121:45:060
268428999154125,19cyclictest2739447-21kworker/u2:123:11:560
268428999152124,17cyclictest2688060-21kworker/u2:220:25:060
268428999152122,18cyclictest2688060-21kworker/u2:219:50:050
268428999150120,19cyclictest2743320-21kworker/u2:022:45:140
268428999150120,18cyclictest2746025-21kworker/u2:323:31:560
268428999145112,22cyclictest2753337-21true23:10:050
268428999144114,18cyclictest2688060-21kworker/u2:219:55:040
268428999143116,17cyclictest2686428-21kworker/u2:219:30:040
268428999143114,18cyclictest2675766-21kworker/u2:219:15:040
268428999142115,16cyclictest2685471-21kworker/u2:119:35:030
268428999136106,19cyclictest2707892-21kworker/u2:020:56:040
268428999136105,18cyclictest2688060-21kworker/u2:220:25:090
268428999129100,19cyclictest2685471-21kworker/u2:119:41:420
26842899911183,19cyclictest2684298-21kworker/u2:019:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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