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2025-04-02 - 08:29
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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 Wed Apr 02, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1928991203cyclictest11987-21latency13:17:340
1618112082sleep0-21swapper/110:51:421
1928991193cyclictest2612-21/usr/sbin/munin10:52:270
1928991164cyclictest7328-21latency_hist15:07:100
1928991164cyclictest7328-21latency_hist15:07:100
1928991163cyclictest14130-21runrttasks11:28:540
1928991129cyclictest0-21swapper/015:17:090
1928991119cyclictest0-21swapper/015:37:420
19289911113cyclictest0-21swapper/014:32:090
1624110972sleep0-21swapper/010:51:420
1928991077cyclictest0-21swapper/014:17:310
1928991074cyclictest8013-21diskstats13:02:250
1928991073cyclictest17838-21latency_hist15:52:110
1928991073cyclictest17838-21latency_hist15:52:110
1928991068cyclictest0-21swapper/013:37:380
1928991063cyclictest7288-21latency_hist15:07:100
1928991058cyclictest0-21swapper/016:15:370
1928991055cyclictest21387-21latency_hist13:57:070
1928991053cyclictest12419-21ls15:27:110
1928991053cyclictest12419-21ls15:27:110
19289910161cyclictest0-21swapper/011:12:340
19289910158cyclictest7016-21tr12:57:360
1928991015cyclictest12357-21cat15:27:100
19289910135cyclictest5029-21cat11:02:020
1928991005cyclictest5743-21latency_hist15:02:100
1928991004cyclictest74-21mmcqd/011:27:040
192899999cyclictest9706-21/usr/sbin/munin13:13:020
192899993cyclictest2208-21cat14:47:090
192899988cyclictest0-21swapper/014:12:080
192899988cyclictest0-21swapper/014:07:390
192899988cyclictest0-21swapper/012:52:370
1928999810cyclictest19419-21latency_hist13:47:080
192899978cyclictest0-21swapper/016:12:110
192899978cyclictest0-21swapper/013:22:490
192899976cyclictest0-21swapper/012:49:060
1928999651cyclictest11266-21latency_hist11:22:030
192899964cyclictest27655-21latency_hist12:22:040
1928999612cyclictest0-21swapper/013:12:060
192899958cyclictest0-21swapper/011:12:030
192899955cyclictest15937-21latency_hist11:37:030
192899949cyclictest0-21swapper/014:37:250
1928999469cyclictest0-21swapper/013:42:360
1928999450cyclictest6950irq/18-mmc014:27:090
192899945cyclictest26061-21latency_hist12:17:040
192899938cyclictest0-21swapper/013:57:390
1928999345cyclictest6950irq/18-mmc011:52:340
192899924cyclictest24720-21kworker/u4:112:37:310
192899923cyclictest13490-21if_eth015:32:300
1928999210cyclictest74-21mmcqd/012:02:040
1934999123cyclictest480-21systemd-journal16:05:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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