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2026-05-22 - 16:51
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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 Fri May 22, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2762921100,2sleep10-21swapper/122:34:491
2762921100,2sleep10-21swapper/122:34:491
2762921100,2sleep10-21swapper/122:34:491
2762921100,2sleep10-21swapper/122:34:491
1089421050,4sleep10-21swapper/122:15:071
1089421050,4sleep10-21swapper/122:15:071
138762870,3sleep10-21swapper/122:17:371
138762870,3sleep10-21swapper/122:17:371
314632810,3sleep10-21swapper/122:00:251
314632810,3sleep10-21swapper/122:00:251
314632810,3sleep10-21swapper/122:00:251
314932720,3chrt0-21swapper/100:30:231
229452720,5sleep30-21swapper/300:20:173
229452720,5sleep30-21swapper/300:20:173
123152700,3sleep10-21swapper/120:45:211
123152700,3sleep10-21swapper/120:45:211
280742670,4chrt0-21swapper/100:26:051
280742670,4chrt0-21swapper/100:26:051
136212630,3chrt0-21swapper/022:55:130
56262620,2chrt9871-21cyclictest22:09:371
56262620,2chrt9871-21cyclictest22:09:371
29492610,2sleep03089-21grep23:20:220
29492610,2sleep03089-21grep23:20:220
130972610,2chrt13100-21sed00:10:152
130972610,2chrt13100-21sed00:10:152
265282600,3chrt0-21swapper/200:25:142
205092600,4sleep10-21swapper/119:40:191
205092600,4sleep10-21swapper/119:40:191
92532580,3sleep00-21swapper/021:34:230
92532580,3sleep00-21swapper/021:34:230
325722580,3chrt0-21swapper/023:54:580
325722580,3chrt0-21swapper/023:54:580
325722580,3chrt0-21swapper/023:54:580
43362550,3chrt3862-21/usr/sbin/munin22:45:152
43362550,3chrt3862-21/usr/sbin/munin22:45:152
90242540,4chrt0-21swapper/221:33:572
90242540,4chrt0-21swapper/221:33:572
166032530,4sleep30-21swapper/319:30:173
57752520,3sleep20-21swapper/200:00:302
57752520,3sleep20-21swapper/200:00:302
57752520,3sleep20-21swapper/200:00:302
17532520,3sleep30-21swapper/320:20:013
17532520,3sleep30-21swapper/320:20:013
64102510,2sleep20-21swapper/220:30:202
64102510,2sleep20-21swapper/220:30:202
291802510,2sleep029189-21ssh00:28:100
291802510,2sleep029189-21ssh00:28:100
5192500,4chrt0-21swapper/323:17:393
5192500,4chrt0-21swapper/323:17:393
5192500,4chrt0-21swapper/323:17:393
177122500,2sleep20-21swapper/219:35:062
155082490,3sleep30-21swapper/320:55:163
155082490,3sleep30-21swapper/320:55:163
39692480,3sleep20-21swapper/220:25:132
39692480,3sleep20-21swapper/220:25:132
29022480,2sleep30-21swapper/322:43:593
29022480,2sleep30-21swapper/322:43:593
223922480,3sleep10-21swapper/123:41:001
223922480,3sleep10-21swapper/123:41:001
223922480,3sleep10-21swapper/123:41:001
9872994624,17cyclictest4214-21latency_hist00:00:050
9872994624,17cyclictest4214-21latency_hist00:00:050
9872994624,17cyclictest4214-21latency_hist00:00:050
9872994624,17cyclictest4214-21latency_hist00:00:050
281392460,4sleep30-21swapper/323:49:143
281392460,4sleep30-21swapper/323:49:143
221362450,9sleep333-21ksoftirqd/322:27:073
221362450,9sleep333-21ksoftirqd/322:27:073
221362450,9sleep333-21ksoftirqd/322:27:073
149522450,2sleep2261rcuc/223:34:022
149522450,2sleep2261rcuc/223:34:022
308982440,2sleep030431-21/usr/sbin/munin23:15:150
308982440,2sleep030431-21/usr/sbin/munin23:15:150
308982440,2sleep030431-21/usr/sbin/munin23:15:150
201292440,4chrt33-21ksoftirqd/322:25:143
201292440,4chrt33-21ksoftirqd/322:25:143
182992440,3sleep00-21swapper/000:15:190
182992440,3sleep00-21swapper/000:15:190
312382430,3sleep20-21swapper/223:52:262
312382430,3sleep20-21swapper/223:52:262
312382430,3sleep20-21swapper/223:52:262
131782430,3sleep00-21swapper/023:31:260
131782430,3sleep00-21swapper/023:31:260
58642420,3sleep20-21swapper/200:40:052
58642420,3sleep20-21swapper/200:40:052
58642420,3sleep20-21swapper/200:40:052
9873994120,15cyclictest4316-21latency_hist00:00:051
9873994120,15cyclictest4316-21latency_hist00:00:051
9873994120,15cyclictest4316-21latency_hist00:00:051
9873994120,15cyclictest4316-21latency_hist00:00:051
98242410,2sleep08367-21ls19:10:340
98242410,2sleep08367-21ls19:10:340
210022410,4sleep30-21swapper/323:03:003
210022410,4sleep30-21swapper/323:03:003
208682410,3sleep20-21swapper/223:40:132
208682410,3sleep20-21swapper/223:40:132
208682410,3sleep20-21swapper/223:40:132
157452410,3sleep10-21swapper/123:35:051
157452410,3sleep10-21swapper/123:35:051
118502410,3sleep30-21swapper/322:53:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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