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2025-12-17 - 23:24
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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 rack4slot1.osadl.org (updated Wed Dec 17, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1819521030,2sleep3321rcuc/319:45:003
1819521030,2sleep3321rcuc/319:45:003
237842870,3sleep30-21swapper/322:55:143
237842870,3sleep30-21swapper/322:55:143
237842870,3sleep30-21swapper/322:55:143
145622770,3sleep30-21swapper/321:00:223
145622770,3sleep30-21swapper/321:00:223
134642700,2sleep113467-21unixbench-2d22:25:231
134642700,2sleep113467-21unixbench-2d22:25:231
134152660,9sleep012-21ksoftirqd/023:55:150
134152660,9sleep012-21ksoftirqd/023:55:150
134152660,9sleep012-21ksoftirqd/023:55:150
325922580,5sleep132590-21grep21:50:191
325922580,5sleep132590-21grep21:50:191
145422560,4sleep10-21swapper/119:35:011
145422560,4sleep10-21swapper/119:35:011
220082550,3sleep30-21swapper/300:20:013
220082550,3sleep30-21swapper/300:20:013
81402530,2sleep28184-21fschecks_count20:45:112
81402530,2sleep28184-21fschecks_count20:45:112
102462520,4sleep30-21swapper/323:45:213
102462520,4sleep30-21swapper/323:45:213
90082480,3sleep30-21swapper/319:20:013
90082480,3sleep30-21swapper/319:20:013
61362470,4sleep10-21swapper/119:10:181
61362470,4sleep10-21swapper/119:10:181
297802470,2sleep227-21ksoftirqd/223:10:202
297802470,2sleep227-21ksoftirqd/223:10:202
120052420,3sleep30-21swapper/323:50:193
120052420,3sleep30-21swapper/323:50:193
72322410,3sleep00-21swapper/019:15:030
72322410,3sleep00-21swapper/019:15:030
207782410,3sleep30-21swapper/322:45:223
241222390,2sleep024044-21/usr/sbin/munin00:25:130
61922370,2sleep26211-21/usr/sbin/munin19:10:202
61922370,2sleep26211-21/usr/sbin/munin19:10:202
271652370,3chrt0-21swapper/023:05:120
271652370,3chrt0-21swapper/023:05:120
26512370,3sleep10-21swapper/123:25:181
210322370,2sleep10-21swapper/119:50:201
210322370,2sleep10-21swapper/119:50:201
13232350,2sleep30-21swapper/323:20:223
13232350,2sleep30-21swapper/323:20:223
91242330,2sleep19226-21memory22:15:151
91242330,2sleep19226-21memory22:15:151
41602330,2sleep30-21swapper/323:30:143
215472330,2sleep221653-21df22:50:122
215472330,2sleep221653-21df22:50:122
167922330,2sleep116826-21fschecks_count00:05:131
167922330,2sleep116826-21fschecks_count00:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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