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2025-06-17 - 02:02
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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 Mon Jun 16, 2025 22:16:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88322170990,5sleep30-21swapper/319:12:203
88322170990,5sleep30-21swapper/319:12:203
895726090,3sleep012-21ksoftirqd/019:12:210
895726090,3sleep012-21ksoftirqd/019:12:210
2596121480,2sleep30-21swapper/321:51:403
2596121480,2sleep30-21swapper/321:51:403
305821450,2sleep10-21swapper/121:26:331
305821450,2sleep10-21swapper/121:26:331
1086921050,4chrt10865-21ntp_states20:42:132
181312990,2chrt0-21swapper/321:42:113
181312990,2chrt0-21swapper/321:42:113
53742930,6sleep1131rcu_preempt22:04:081
53742930,6sleep1131rcu_preempt22:04:081
127462890,1sleep012-21ksoftirqd/019:22:180
127462890,1sleep012-21ksoftirqd/019:22:180
263832880,1chrt73-21kswapd019:57:162
124832780,3chrt0-21swapper/322:12:103
124832780,3chrt0-21swapper/322:12:103
300882770,3chrt29231-21/usr/sbin/munin20:07:161
300882770,3chrt29231-21/usr/sbin/munin20:07:161
63522710,3sleep10-21swapper/121:29:351
63522710,3sleep10-21swapper/121:29:351
227972700,3sleep1201rcuc/121:12:151
227972700,3sleep1201rcuc/121:12:151
111002690,2sleep10-21swapper/120:42:161
222782660,3sleep10-21swapper/121:47:081
222782660,3sleep10-21swapper/121:47:081
222922650,2sleep10-21swapper/119:47:141
72132580,4sleep07212-21ssh22:06:560
72132580,4sleep07212-21ssh22:06:560
290292560,3sleep30-21swapper/321:18:523
290292560,3sleep30-21swapper/321:18:523
147552520,3chrt0-21swapper/120:52:131
147552520,3chrt0-21swapper/120:52:131
914799513,40cyclictest26638-21ssh21:17:042
914799513,40cyclictest26638-21ssh21:17:042
18252510,3sleep30-21swapper/321:24:353
18252510,3sleep30-21swapper/321:24:353
193712480,2sleep30-21swapper/319:41:543
193712480,2sleep30-21swapper/319:41:543
145692480,3sleep10-21swapper/122:14:251
145692480,3sleep10-21swapper/122:14:251
282162460,3sleep30-21swapper/321:53:003
282162460,3sleep30-21swapper/321:53:003
175962460,2sleep10-21swapper/119:37:051
175962460,2sleep10-21swapper/119:37:051
122762440,8sleep227-21ksoftirqd/221:36:432
122762440,8sleep227-21ksoftirqd/221:36:432
914799413,32cyclictest11860-21ssh22:12:042
914799413,32cyclictest11860-21ssh22:12:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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