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2025-12-31 - 22:42
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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 31, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1028721180,3sleep30-21swapper/312:23:253
1028721180,3sleep30-21swapper/312:23:253
2498021120,3sleep30-21swapper/310:25:303
489721080,2chrt0-21swapper/212:17:382
489721080,2chrt0-21swapper/212:17:382
489721080,2chrt0-21swapper/212:17:382
3199121080,3sleep30-21swapper/309:59:423
3199121080,3sleep30-21swapper/309:59:423
3199121080,3sleep30-21swapper/309:59:423
1717321020,3sleep00-21swapper/009:44:280
1717321020,3sleep00-21swapper/009:44:280
215402970,3sleep20-21swapper/209:15:292
215402970,3sleep20-21swapper/209:15:292
215402970,3sleep20-21swapper/209:15:292
202672960,3sleep20-21swapper/209:46:592
202672960,3sleep20-21swapper/209:46:592
5642930,3sleep20-21swapper/212:13:282
120902910,3chrt0-21swapper/211:19:102
120902910,3chrt0-21swapper/211:19:102
120902910,3chrt0-21swapper/211:19:102
7632850,3sleep2261rcuc/210:00:302
7632850,3sleep2261rcuc/210:00:302
275352830,4chrt0-21swapper/109:55:141
275352830,4chrt0-21swapper/109:55:141
313662780,2chrt33-21ksoftirqd/311:05:293
313662780,2chrt33-21ksoftirqd/311:05:293
91712720,3chrt0-21swapper/010:42:230
91712720,3chrt0-21swapper/010:42:230
284912660,3sleep00-21swapper/010:29:290
271942660,7sleep333-21ksoftirqd/308:10:243
271942660,7sleep333-21ksoftirqd/308:10:243
271942660,7sleep333-21ksoftirqd/308:10:243
48432630,4sleep30-21swapper/310:05:213
48432630,4sleep30-21swapper/310:05:213
212202630,3chrt0-21swapper/312:34:423
212202630,3chrt0-21swapper/312:34:423
134242620,3sleep00-21swapper/007:30:310
134242620,3sleep00-21swapper/007:30:310
184002610,3chrt0-21swapper/212:30:522
184002610,3chrt0-21swapper/212:30:522
221012600,3sleep10-21swapper/112:01:451
221012600,3sleep10-21swapper/112:01:451
182312590,4sleep227-21ksoftirqd/211:58:042
182312590,4sleep227-21ksoftirqd/211:58:042
80882580,8sleep333-21ksoftirqd/308:45:363
80882580,8sleep333-21ksoftirqd/308:45:363
179442580,3chrt0-21swapper/311:57:413
179442580,3chrt0-21swapper/311:57:413
80822560,6chrt131rcu_preempt10:08:110
80822560,6chrt131rcu_preempt10:08:110
147742540,3sleep20-21swapper/209:05:282
147742540,3sleep20-21swapper/209:05:282
133032540,3chrt13302-21ssh11:20:272
32272530,4sleep30-21swapper/310:35:473
32272530,4sleep30-21swapper/310:35:473
102292530,3sleep30-21swapper/311:50:263
102292530,3sleep30-21swapper/311:50:263
102292530,3sleep30-21swapper/311:50:263
72412520,2sleep17344-21df08:45:271
72412520,2sleep17344-21df08:45:271
323752510,3chrt0-21swapper/011:05:500
323752510,3chrt0-21swapper/011:05:500
307142510,1sleep230733-21cpu08:20:242
307142510,1sleep230733-21cpu08:20:242
307142510,1sleep230733-21cpu08:20:242
176842510,2sleep217695-21ssh09:45:112
176842510,2sleep217695-21ssh09:45:112
116332510,2sleep011735-21fschecks_time10:45:260
116332510,2sleep011735-21fschecks_time10:45:260
29892500,2sleep30-21swapper/312:15:343
29892500,2sleep30-21swapper/312:15:343
29892500,2sleep30-21swapper/312:15:343
131332500,2sleep213248-21cpuspeed09:40:252
131332500,2sleep213248-21cpuspeed09:40:252
131332500,2sleep213248-21cpuspeed09:40:252
250702480,3sleep00-21swapper/012:38:170
250702480,3sleep00-21swapper/012:38:170
220462480,3sleep1201rcuc/110:22:191
220462480,3sleep1201rcuc/110:22:191
127992480,5sleep333-21ksoftirqd/310:45:363
127992480,5sleep333-21ksoftirqd/310:45:363
99892470,2sleep00-21swapper/007:20:300
99892470,2sleep00-21swapper/007:20:300
303132460,3sleep00-21swapper/012:10:320
92442440,3sleep00-21swapper/012:21:580
92442440,3sleep00-21swapper/012:21:580
327472440,3chrt0-21swapper/109:26:291
327472440,3chrt0-21swapper/109:26:291
234402440,3sleep30-21swapper/309:16:583
234402440,3sleep30-21swapper/309:16:583
234402440,3sleep30-21swapper/309:16:583
123972440,2sleep00-21swapper/012:25:310
123972440,2sleep00-21swapper/012:25:310
168052420,4sleep30-21swapper/311:24:033
147802420,1sleep3321rcuc/310:15:263
147802420,1sleep3321rcuc/310:15:263
27362410,3chrt0-21swapper/010:02:330
27362410,3chrt0-21swapper/010:02:330
153562410,3sleep30-21swapper/307:35:333
153562410,3sleep30-21swapper/307:35:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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