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2025-11-02 - 21:14
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackaslot6.osadl.org (updated Mon Oct 27, 2025 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3843483997360,733cyclictest1910-21snmpd20:27:103
3843480996461,642cyclictest34-21rcuc/222:51:002
3843480991590,156cyclictest255-21systemd-journal19:49:252
3843483991411,137cyclictest815-21snmpd23:54:433
384348399780,75cyclictest1430-21munin-node22:32:343
384348399780,75cyclictest1430-21munin-node22:32:343
384347699494,21cyclictest1430-21munin-node20:25:170
384347699427,17cyclictest0-21swapper/019:35:040
384347699421,13cyclictest0-21swapper/023:45:220
384347699421,13cyclictest0-21swapper/023:45:220
384347699360,24cyclictest0-21swapper/021:10:410
384347699358,12cyclictest3872622-21fschecks_time20:35:160
3843476993516,5cyclictest3942132-21unixbench_multi00:00:240
384347699351,18cyclictest0-21swapper/021:45:150
3843476993421,11cyclictest3901988-21idleruntime-cro22:05:000
384347699337,10cyclictest0-21swapper/000:25:030
384348499319,18cyclictest3846729-21grep19:15:274
384347699315,3cyclictest3953086-21fschecks_time00:35:190
3843476993116,4cyclictest3900324-21idleruntime-cro22:00:000
3843484993024,4cyclictest3866884-21cron20:19:594
3843483993013,8cyclictest20850irq/121-46000000.ethernet-tx600:15:133
3843480993013,2cyclictest0-21swapper/219:50:172
3843476993019,4cyclictest3915771-21/usr/sbin/munin22:45:180
384347699300,14cyclictest0-21swapper/019:10:220
3843491992925,2cyclictest3949512-21aten_rapower_po00:25:177
3843480992924,3cyclictest3922173-21idleruntime-cro23:05:002
3843480992922,3cyclictest3953170-21sed00:35:192
384347999299,4cyclictest3948659-21timerandwakeup00:20:301
384347999298,16cyclictest3856872-21kworker/u32:13+rpciod19:50:181
384347699298,5cyclictest3911214-21gltestperf22:30:180
384347699298,5cyclictest3911214-21gltestperf22:30:170
384347699291,17cyclictest0-21swapper/022:50:140
384348899287,17cyclictest3862985-21/usr/sbin/munin20:05:256
3843488992823,3cyclictest3922489-21latency_hist23:05:016
3843488992818,2cyclictest21050irq/124-46000000.ethernet-rx000:00:226
3843487992823,3cyclictest3938911-21latency_hist23:55:005
3843484992821,4cyclictest3940508-21grep23:55:284
3843484992813,1cyclictest0-21swapper/419:50:184
3843480992811,9cyclictest0-21swapper/223:50:232
384347999281,17cyclictest0-21swapper/119:40:151
3843476992812,2cyclictest0-21swapper/019:20:000
384347699280,20cyclictest0-21swapper/019:32:110
3843491992715,5cyclictest0-21swapper/722:47:007
384348899278,2cyclictest3880829-21df_abs21:00:176
384348899273,17cyclictest1453400-21kworker/6:1-events20:30:236
384348899273,17cyclictest1453400-21kworker/6:1-events20:30:236
3843487992723,2cyclictest3872784-21kernelversion20:35:195
384348799271,6cyclictest0-21swapper/523:55:205
384348499278,16cyclictest3894182-21aten_rapower_vo21:40:154
3843484992723,2cyclictest3922610-21/usr/sbin/munin23:05:334
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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