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2025-12-11 - 16:59
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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 Thu Dec 11, 2025 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2808921680,4sleep128053-21sendmail_mailtr09:31:221
2808921680,4sleep128053-21sendmail_mailtr09:31:221
2450221450,2sleep20-21swapper/210:06:202
2450221450,2sleep20-21swapper/210:06:202
1365821390,2sleep10-21swapper/111:50:401
1365821390,2sleep10-21swapper/111:50:401
3101321340,3sleep131014-21ssh09:36:121
3101321340,3sleep131014-21ssh09:36:121
203432850,2sleep20-21swapper/210:40:522
203432850,2sleep20-21swapper/210:40:522
214932750,3sleep10-21swapper/111:59:241
214932750,3sleep10-21swapper/111:59:241
62282710,3sleep10-21swapper/112:19:331
62282710,3sleep10-21swapper/112:19:331
163802700,3sleep20-21swapper/211:53:062
51662690,3sleep10-21swapper/110:21:301
51662690,3sleep10-21swapper/110:21:301
165152680,3sleep20-21swapper/209:56:352
165152680,3sleep20-21swapper/209:56:352
115662680,3chrt0-21swapper/107:46:171
115662680,3chrt0-21swapper/107:46:171
265062580,1sleep333-21ksoftirqd/310:08:503
265062580,1sleep333-21ksoftirqd/310:08:503
246642570,3sleep20-21swapper/208:21:142
246642570,3sleep20-21swapper/208:21:142
30482560,3sleep10-21swapper/108:51:111
30482560,3sleep10-21swapper/108:51:111
205542550,3sleep30-21swapper/308:11:113
205542550,3sleep30-21swapper/308:11:113
310362530,2sleep129968-21ls07:11:221
310362530,2sleep129968-21ls07:11:221
26712530,3sleep30-21swapper/311:36:273
26712530,3sleep30-21swapper/311:36:273
88042500,8sleep333-21ksoftirqd/311:44:273
88042500,8sleep333-21ksoftirqd/311:44:273
289022500,4sleep30-21swapper/312:07:423
289022500,4sleep30-21swapper/312:07:423
3147299491,4cyclictest0-21swapper/012:21:110
3147299491,4cyclictest0-21swapper/012:21:110
251022460,3chrt0-21swapper/108:21:211
251022460,3chrt0-21swapper/108:21:211
184232460,3chrt0-21swapper/109:20:331
184232460,3chrt0-21swapper/109:20:331
31472994415,24cyclictest151rcuc/010:26:140
314222440,2sleep029968-21ls07:11:290
314222440,2sleep029968-21ls07:11:290
46872430,2sleep30-21swapper/308:56:033
46872430,2sleep30-21swapper/308:56:033
3147299420,10cyclictest10981-21find11:46:240
3147299420,10cyclictest10981-21find11:46:240
177802420,4sleep00-21swapper/009:19:270
177802420,4sleep00-21swapper/009:19:270
162092420,3chrt0-21swapper/309:16:453
162092420,3chrt0-21swapper/309:16:453
49532410,3sleep30-21swapper/308:56:163
49532410,3sleep30-21swapper/308:56:163
317632410,3sleep00-21swapper/010:54:000
317632410,3sleep00-21swapper/010:54:000
3147299401,35cyclictest3989-21fschecks_count10:21:130
3147299401,35cyclictest3989-21fschecks_count10:21:130
274442400,2sleep30-21swapper/308:29:153
274442400,2sleep30-21swapper/308:29:153
17312400,2sleep30-21swapper/312:14:333
17312400,2sleep30-21swapper/312:14:333
314242390,2sleep229968-21ls07:11:312
314242390,2sleep229968-21ls07:11:312
3147299380,6cyclictest5742-21find08:56:250
3147299380,6cyclictest5742-21find08:56:250
3147299380,35cyclictest12530-21chrt09:51:590
3147299380,35cyclictest12530-21chrt09:51:590
314562380,4sleep012-21ksoftirqd/010:15:260
314562380,4sleep012-21ksoftirqd/010:15:260
314562380,4sleep012-21ksoftirqd/010:15:260
3147299371,9cyclictest253042ssh12:38:220
3147299371,9cyclictest253042ssh12:38:220
3147299371,9cyclictest253042ssh12:38:220
3147299371,9cyclictest18674-21fschecks_count08:06:100
3147299371,9cyclictest18674-21fschecks_count08:06:100
3147299371,4cyclictest2033-21ssh12:15:020
3147299371,4cyclictest2033-21ssh12:15:020
3147299370,9cyclictest16739-21fschecks_count08:01:120
3147299370,6cyclictest28179-21find09:31:230
3147299370,6cyclictest28179-21find09:31:230
3147299361,7cyclictest8510-21latency_hist09:06:060
3147299361,7cyclictest8510-21latency_hist09:06:060
3147299361,4cyclictest13185-21find10:31:230
3147299361,4cyclictest13185-21find10:31:230
3147299361,2cyclictest73-21kswapd009:11:130
3147299361,2cyclictest73-21kswapd008:41:130
3147299360,5cyclictest26004-21find10:46:220
3147299360,5cyclictest26004-21find10:46:220
3147299360,3cyclictest73-21kswapd011:26:120
3147299360,3cyclictest73-21kswapd011:26:120
3147299360,3cyclictest73-21kswapd011:26:120
3147299360,3cyclictest73-21kswapd008:26:130
3147299360,3cyclictest73-21kswapd008:26:130
3147299354,28cyclictest16932-21cut10:36:150
3147299354,28cyclictest16932-21cut10:36:150
3147299351,7cyclictest24009-21find09:26:220
3147299351,7cyclictest24009-21find09:26:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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