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2025-11-14 - 02:41
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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 Nov 14, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
382776022930,2sleep03827762-21processes23:41:570
377131522660,3chrt3771310-21munin-run20:55:010
376911622620,5chrt3769104-21ntpq20:45:590
379657122610,3chrt3796548-21ntpq22:10:480
379469422550,3chrt3794481-21/usr/sbin/munin22:05:340
381418322490,3sleep03814184-21ls23:01:590
375907322450,3chrt3759072-21awk20:10:290
380668622420,2chrt3806681-21irqstats22:40:350
378657822400,3chrt3786579-21sh21:41:440
379079622380,3chrt3790794-21ssh21:54:290
383266022370,3chrt3832655-21ntpq23:56:190
379401122350,3chrt3794009-21ssh22:03:210
383682222330,3chrt3836823-21ssh00:08:400
383995322300,3chrt3839954-21sh00:17:170
383034922190,3sleep03830351-21sort23:50:090
382052922050,3sleep03820531-21grep23:20:460
380012322030,3sleep03800124-21sh22:21:140
382197722020,2sleep03821975-21diskstats23:25:250
374203099201173,17cyclictest3843668-21kworker/u2:200:30:070
381908621990,3chrt3819087-21gcc23:16:500
374203099187158,19cyclictest84-21jbd2/mmcblk0p2-00:15:040
381175521830,3sleep03811757-21if_eth022:55:290
383099721790,2sleep022-21kcompactd023:51:280
379957821770,2sleep03799579-21cat22:20:100
380549521720,4chrt3805494-21/usr/sbin/munin22:36:560
377959821720,4chrt3779600-21ssh21:21:120
376766721720,4chrt3767664-21ntpq20:40:450
374203099167139,18cyclictest3823692-21kworker/u2:223:32:050
374203099167133,23cyclictest3804611-21true22:35:030
384078021660,3chrt3840778-21ssh00:20:280
376216121660,3chrt3762159-21ntpq20:21:080
374203099166140,17cyclictest3825843-21kworker/u2:323:37:000
374203099166136,19cyclictest84-21jbd2/mmcblk0p2-19:50:030
381721721650,3chrt3817212-21ntpq23:11:130
374822021650,3chrt22-21kcompactd019:31:020
374203099165136,18cyclictest3823692-21kworker/u2:200:01:530
374687421640,4chrt3746872-21ntpq19:26:150
374203099164139,16cyclictest3776657-21kworker/u2:321:35:270
374203099161123,17cyclictest3748590-21kworker/u2:219:51:210
375679421600,3chrt3756795-21mailstats20:01:180
374203099156128,19cyclictest84-21jbd2/mmcblk0p2-22:30:060
374203099152126,17cyclictest3762964-21kworker/u2:020:26:180
374203099151125,17cyclictest3742452-21kworker/u2:019:21:210
374203099151124,18cyclictest3781925-21kworker/u2:121:32:410
374203099149121,17cyclictest3843668-21kworker/u2:200:36:490
374203099148119,18cyclictest3807959-21kworker/u2:222:49:420
374203099147120,17cyclictest3837351-21kworker/u2:000:30:120
374203099147116,20cyclictest84-21jbd2/mmcblk0p2-20:40:010
374203099145119,17cyclictest3760161-21kworker/u2:120:32:240
374203099145116,18cyclictest3799162-21kworker/u2:123:07:070
374203099144118,17cyclictest3733548-21kworker/u2:119:17:010
374203099144112,21cyclictest84-21jbd2/mmcblk0p2-19:45:060
374203099143117,17cyclictest3790853-21kworker/u2:321:59:220
374203099142116,17cyclictest3748590-21kworker/u2:220:17:000
374203099141111,19cyclictest84-21jbd2/mmcblk0p2-20:10:070
375038121400,2sleep03750384-21sh19:40:000
374203099139111,18cyclictest3769930-21kworker/u2:121:05:120
374203099135107,17cyclictest3807959-21kworker/u2:222:53:210
374203099135107,17cyclictest3781925-21kworker/u2:121:29:570
374203099134103,20cyclictest84-21jbd2/mmcblk0p2-21:50:070
374203099133107,17cyclictest3769930-21kworker/u2:121:17:320
374203099132104,18cyclictest3774610-21kworker/u2:021:13:020
374203099132104,17cyclictest3748590-21kworker/u2:219:55:430
374203099129102,18cyclictest3733548-21kworker/u2:119:11:440
374203099126100,17cyclictest3769930-21kworker/u2:120:56:480
37420309912498,17cyclictest3769930-21kworker/u2:121:02:460
374134228512,19sleep03741395-21mailstats19:05:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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