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2025-12-24 - 11:02
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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 100 highest latencies:
System rack4slot1.osadl.org (updated Wed Dec 24, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1562021320,2sleep00-21swapper/019:40:180
1562021320,2sleep00-21swapper/019:40:180
1009721180,3sleep00-21swapper/000:25:090
1009721180,3sleep00-21swapper/000:25:090
3122921010,3sleep00-21swapper/021:25:580
3122921010,3sleep00-21swapper/021:25:580
300922990,2sleep026900-21kworker/0:022:31:360
313252930,3sleep30-21swapper/300:13:193
313252930,3sleep30-21swapper/300:13:193
132002890,3sleep30-21swapper/321:05:193
160292880,2sleep30-21swapper/323:57:193
160292880,2sleep30-21swapper/323:57:193
160292880,2sleep30-21swapper/323:57:193
311562850,3sleep00-21swapper/000:13:040
311562850,3sleep00-21swapper/000:13:040
284892810,3chrt0-21swapper/320:15:293
284892810,3chrt0-21swapper/320:15:293
196782790,3sleep00-21swapper/022:20:430
196782790,3sleep00-21swapper/022:20:430
198432760,3chrt0-21swapper/222:55:182
198432760,3chrt0-21swapper/222:55:182
163332760,3chrt0-21swapper/222:50:352
163332760,3chrt0-21swapper/222:50:352
310232730,3sleep00-21swapper/023:05:560
310232730,3sleep00-21swapper/023:05:560
245842710,4sleep30-21swapper/320:05:203
245842710,4sleep30-21swapper/320:05:203
233772710,3sleep20-21swapper/222:25:202
36122680,4sleep20-21swapper/222:38:062
36122680,4sleep20-21swapper/222:38:062
130192680,4sleep30-21swapper/323:54:583
130192680,4sleep30-21swapper/323:54:583
68842610,3sleep10-21swapper/100:20:481
68842610,3sleep10-21swapper/100:20:481
246872600,2sleep124738-21latency_hist00:40:061
246872600,2sleep124738-21latency_hist00:40:061
246872600,2sleep124738-21latency_hist00:40:061
27702590,3sleep30-21swapper/320:35:233
27702590,3sleep30-21swapper/320:35:233
59332580,5sleep00-21swapper/019:10:340
59332580,5sleep00-21swapper/019:10:340
66962570,3sleep30-21swapper/300:20:303
66962570,3sleep30-21swapper/300:20:303
233022570,3chrt0-21swapper/122:58:381
233022570,3chrt0-21swapper/122:58:381
319452560,2sleep231268-21/usr/sbin/munin22:00:242
104522560,3chrt0-21swapper/319:25:223
189522550,3sleep30-21swapper/300:00:253
189522550,3sleep30-21swapper/300:00:253
324742540,3sleep10-21swapper/123:40:341
324742540,3sleep10-21swapper/123:40:341
303642510,8sleep121-21ksoftirqd/120:20:291
303642510,8sleep121-21ksoftirqd/120:20:291
283252510,5sleep2131rcu_preempt00:10:202
283252510,5sleep2131rcu_preempt00:10:202
16412510,3chrt0-21swapper/300:15:283
16412510,3chrt0-21swapper/300:15:283
257162480,2sleep125727-21ssh23:34:441
252562470,3chrt0-21swapper/023:00:260
252562470,3chrt0-21swapper/023:00:260
192512470,3chrt0-21swapper/123:27:321
192512470,3chrt0-21swapper/123:27:321
14032470,3chrt0-21swapper/323:42:283
14032470,3chrt0-21swapper/323:42:283
134342470,5chrt0-21swapper/121:05:221
129882470,3sleep30-21swapper/322:15:003
129882470,3sleep30-21swapper/322:15:003
71882460,3chrt0-21swapper/200:21:132
71882460,3chrt0-21swapper/200:21:132
226802460,3chrt0-21swapper/221:17:402
226802460,3chrt0-21swapper/221:17:402
226802460,3chrt0-21swapper/221:17:402
223692460,4sleep10-21swapper/100:04:291
223692460,4sleep10-21swapper/100:04:291
136442460,3chrt0-21swapper/021:05:250
187572450,2chrt0-21swapper/119:50:071
187572450,2chrt0-21swapper/119:50:071
63542440,13sleep121-21ksoftirqd/121:34:351
63542440,13sleep121-21ksoftirqd/121:34:351
295532430,4sleep30-21swapper/322:30:513
100692430,4sleep30-21swapper/323:18:213
100692430,4sleep30-21swapper/323:18:213
303442420,3sleep20-21swapper/221:59:112
303442420,3sleep20-21swapper/221:59:112
305372410,3sleep30-21swapper/321:59:293
305372410,3sleep30-21swapper/321:59:293
132782410,4sleep30-21swapper/321:40:403
132782410,4sleep30-21swapper/321:40:403
598499401,6cyclictest23105-21ssh00:05:152
14472390,2sleep01460-21sh22:02:280
79902380,3sleep30-21swapper/322:09:493
79902380,3sleep30-21swapper/322:09:493
275672380,3sleep00-21swapper/023:35:300
275672380,3sleep00-21swapper/023:35:300
137952380,3sleep30-21swapper/300:28:343
67372360,1sleep06757-21/usr/sbin/munin23:15:180
67372360,1sleep06757-21/usr/sbin/munin23:15:180
598499361,7cyclictest2711-21needreboot21:30:242
598499361,7cyclictest2711-21needreboot21:30:242
598499360,7cyclictest7620-21sh23:15:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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