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2025-12-16 - 20:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack9slot4.osadl.org (updated Fri Dec 12, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27408991213cyclictest5590-21latency_hist10:23:540
27073111790sleep0-21swapper/105:28:241
27077111063sleep0-21swapper/005:28:240
27408991078cyclictest0-21swapper/008:19:250
27408991068cyclictest0-21swapper/007:22:040
27408991068cyclictest0-21swapper/007:14:180
27408991065cyclictest26417-21latency_hist09:08:520
274089910595cyclictest6950irq/18-mmc010:17:510
69501020irq/18-mmc03760-21irqstats07:34:191
27408991018cyclictest0-21swapper/010:34:330
274089910157cyclictest6950irq/18-mmc010:54:240
274089910156cyclictest74-21mmcqd/006:43:580
274089910156cyclictest74-21mmcqd/006:43:580
27408991014cyclictest821-21/usr/sbin/munin09:19:270
27408999976cyclictest0-21swapper/009:45:410
2740899988cyclictest0-21swapper/010:43:540
27408999861cyclictest74-21mmcqd/008:08:500
2740899978cyclictest0-21swapper/008:29:160
2740899978cyclictest0-21swapper/006:39:230
2740899978cyclictest0-21swapper/006:18:470
27408999763cyclictest6950irq/18-mmc008:37:100
27408999761cyclictest6950irq/18-mmc008:43:510
2740899969cyclictest0-21swapper/010:49:240
27408999676cyclictest0-21swapper/008:43:560
27408999675cyclictest0-21swapper/008:27:210
2740899964cyclictest5958-21sh09:29:070
27408999613cyclictest2876-21ssh07:33:490
27408999610cyclictest4392-21sshd05:58:560
2740899958cyclictest0-21swapper/007:56:460
2740899958cyclictest0-21swapper/007:56:460
2740899953cyclictest17527-21latency_hist08:53:520
27408999519cyclictest0-21swapper/010:44:390
27408999510cyclictest0-21swapper/006:49:210
2740899949cyclictest0-21swapper/009:34:220
2740899948cyclictest0-21swapper/009:39:130
2740899947cyclictest0-21swapper/009:13:120
27408999423cyclictest0-21swapper/009:49:100
2740899938cyclictest0-21swapper/006:34:020
27408999350cyclictest29725-21diskstats10:09:140
2740899935cyclictest29227-21latency_hist10:08:530
2740899928cyclictest0-21swapper/009:54:230
2740899928cyclictest0-21swapper/007:59:250
2740899923cyclictest8544-21latency_hist10:28:540
2740899923cyclictest11486-21latency_hist10:33:540
2740899918cyclictest0-21swapper/007:53:490
27408999167cyclictest6950irq/18-mmc008:14:300
27408999119cyclictest0-21swapper/009:24:470
2740899909cyclictest0-21swapper/009:14:220
2740899903cyclictest74-21mmcqd/007:43:490
2740899899cyclictest0-21swapper/009:01:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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