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2025-07-07 - 02:10
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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 all highest latencies:
System rack4slot1.osadl.org (updated Sun Jul 06, 2025 21:41:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2545921290,5chrt0-21swapper/219:12:202
2545921290,5chrt0-21swapper/219:12:202
2071821180,6sleep121-21ksoftirqd/120:22:361
811421130,3sleep10-21swapper/121:13:161
811421130,3sleep10-21swapper/121:13:161
796421080,3sleep10-21swapper/119:50:491
796421080,3sleep10-21swapper/119:50:491
55132930,2sleep20-21swapper/219:42:382
55132930,2sleep20-21swapper/219:42:382
4872880,3chrt0-21swapper/121:41:131
265722800,4sleep00-21swapper/019:12:390
265722800,4sleep00-21swapper/019:12:390
291022650,2chrt0-21swapper/120:47:151
147932640,4chrt0-21swapper/320:07:393
147932640,4chrt0-21swapper/320:07:393
312062610,3chrt0-21swapper/120:52:261
312062610,3chrt0-21swapper/120:52:261
312062610,3chrt0-21swapper/120:52:261
258142570,3chrt0-21swapper/320:37:283
258142570,3chrt0-21swapper/320:37:283
17662560,3chrt0-21swapper/320:57:383
36032550,3sleep20-21swapper/219:37:352
36032550,3sleep20-21swapper/219:37:352
239152550,2sleep10-21swapper/121:31:181
5632520,4sleep30-21swapper/319:32:143
5632520,4sleep30-21swapper/319:32:143
320452510,3chrt0-21swapper/321:39:513
134792500,2sleep013492-21diskmemload21:19:110
134792500,2sleep013492-21diskmemload21:19:110
134792500,2sleep013492-21diskmemload21:19:110
287902470,3chrt0-21swapper/121:36:471
141832430,1sleep014291-21fschecks_time20:07:330
141832430,1sleep014291-21fschecks_time20:07:330
2675699414,24cyclictest38650irq/55-eth019:37:220
2675699414,24cyclictest38650irq/55-eth019:37:220
2675699411,31cyclictest6350-21ssh21:12:250
2675699411,31cyclictest6350-21ssh21:12:250
2675999395,27cyclictest0-21swapper/321:12:253
2675999395,27cyclictest0-21swapper/321:12:253
26758993925,8cyclictest27-21ksoftirqd/220:47:252
26758993925,8cyclictest27-21ksoftirqd/220:47:252
2675899382,20cyclictest0-21swapper/221:12:252
2675899382,20cyclictest0-21swapper/221:12:252
2675799385,27cyclictest21-21ksoftirqd/121:07:241
2675799385,27cyclictest21-21ksoftirqd/121:07:241
2675699352,25cyclictest0-21swapper/021:02:250
2675699352,25cyclictest0-21swapper/021:02:250
2675699351,27cyclictest24860-21sh21:32:240
11702350,2sleep11290-21bingrep19:32:291
11702350,2sleep11290-21bingrep19:32:291
2675799322,27cyclictest10252-21taskset19:57:251
2675799322,27cyclictest10252-21taskset19:57:251
2675699321,27cyclictest0-21swapper/020:17:220
2675699321,27cyclictest0-21swapper/020:17:220
2675899314,21cyclictest5985-21diskmemload21:32:252
198582310,2sleep219938-21fschecks_count20:22:252
26758993012,8cyclictest27-21ksoftirqd/221:07:232
26758993012,8cyclictest27-21ksoftirqd/221:07:232
2675699292,20cyclictest25443-21taskset20:37:240
2675699292,20cyclictest25443-21taskset20:37:240
257652297,13sleep10-21swapper/119:12:281
257652297,13sleep10-21swapper/119:12:281
26757992820,5cyclictest131rcu_preempt20:12:221
26757992820,5cyclictest131rcu_preempt20:12:221
26757992717,7cyclictest9301-21find19:52:351
26757992717,7cyclictest9301-21find19:52:351
15932270,3sleep30-21swapper/319:32:343
15932270,3sleep30-21swapper/319:32:343
26757992613,9cyclictest21-21ksoftirqd/119:42:381
26757992613,9cyclictest21-21ksoftirqd/119:42:381
2675899253,18cyclictest15919-21taskset21:22:292
2675899253,18cyclictest15919-21taskset21:22:292
26756992519,4cyclictest0-21swapper/020:42:380
26756992513,9cyclictest38650irq/55-eth021:22:290
26756992513,9cyclictest38650irq/55-eth021:22:290
197802250,3chrt0-21swapper/321:26:533
197802250,3chrt0-21swapper/321:26:533
2675899243,17cyclictest21668-21apt-get20:27:222
2675799247,12cyclictest0-21swapper/120:32:231
2675799247,12cyclictest0-21swapper/120:32:231
2675799245,14cyclictest32327-21munin-node20:17:221
2675799245,14cyclictest32327-21munin-node20:17:221
2675799241,2cyclictest131rcu_preempt21:22:401
2675799241,2cyclictest131rcu_preempt21:22:401
26756992413,4cyclictest21394-21find21:27:370
2675899231,19cyclictest6448-21taskset19:47:232
2675899231,19cyclictest6448-21taskset19:47:232
26757992311,9cyclictest2159-21cron21:02:091
2675799231,18cyclictest565-21ls19:32:141
2675799231,18cyclictest565-21ls19:32:141
26756992315,2cyclictest0-21swapper/020:47:240
26756992315,2cyclictest0-21swapper/020:47:240
2675899222,16cyclictest21983-21runrttasks20:37:242
2675899222,16cyclictest21983-21runrttasks20:37:242
26758992213,7cyclictest29756-21/usr/sbin/munin19:22:262
26758992213,7cyclictest29756-21/usr/sbin/munin19:22:262
26758992213,7cyclictest27325-21/usr/sbin/munin20:42:282
2675799221,18cyclictest0-21swapper/121:02:381
2675799221,18cyclictest0-21swapper/121:02:381
26756992212,8cyclictest12-1ksoftirqd/020:52:360
26756992212,8cyclictest12-1ksoftirqd/020:52:360
26756992212,8cyclictest12-1ksoftirqd/020:52:360
2675699221,17cyclictest4688-21sshd21:07:270
2675699221,17cyclictest4688-21sshd21:07:270
141572220,3sleep10-21swapper/121:20:111
141572220,3sleep10-21swapper/121:20:111
141572220,3sleep10-21swapper/121:20:111
26758992114,5cyclictest21719-21awk21:27:392
2675899211,14cyclictest705-21find19:32:222
2675899211,14cyclictest705-21find19:32:222
2675899211,11cyclictest31493-21cut19:27:252
2675899211,11cyclictest31493-21cut19:27:252
2675799217,12cyclictest30542-21grep19:22:361
2675799217,12cyclictest30542-21grep19:22:361
26756992113,6cyclictest28226-21wc19:17:330
26756992113,6cyclictest28226-21wc19:17:330
26212210,3sleep30-21swapper/321:02:283
26212210,3sleep30-21swapper/321:02:283
2675899202,14cyclictest15976-21apt-get20:12:232
2675899202,14cyclictest15976-21apt-get20:12:232
2675699208,9cyclictest0-21swapper/019:42:240
2675699208,9cyclictest0-21swapper/019:42:240
2675699201,9cyclictest31272-21acpi19:27:210
2675699201,9cyclictest31272-21acpi19:27:210
26756992015,3cyclictest9522-21sed19:52:370
26756992015,3cyclictest9522-21sed19:52:370
2675699201,10cyclictest29904-21wc19:22:280
2675699201,10cyclictest29904-21wc19:22:280
2675699200,1cyclictest0-21swapper/020:57:360
16742200,6sleep21681-21unixbench_multi20:57:372
2675999195,10cyclictest0-21swapper/321:27:253
2675999192,12cyclictest0-21swapper/321:32:253
2675999192,11cyclictest0-21swapper/321:22:183
2675999192,11cyclictest0-21swapper/321:22:183
2675999192,11cyclictest0-21swapper/321:22:183
26759991913,3cyclictest188072chrt20:17:353
26759991913,3cyclictest188072chrt20:17:353
2675899192,5cyclictest11206-21timerandwakeup19:57:372
2675899192,5cyclictest11206-21timerandwakeup19:57:372
26758991914,3cyclictest0-21swapper/221:37:232
2675799193,12cyclictest25436-21apt-get20:37:241
2675799193,12cyclictest25436-21apt-get20:37:241
2675799193,11cyclictest0-21swapper/120:07:291
2675799193,11cyclictest0-21swapper/120:07:291
2675799192,13cyclictest22854-21users20:27:371
2675799192,12cyclictest691-21sendmail-mta20:02:241
2675799191,14cyclictest2629-21apt-get19:37:231
2675799191,14cyclictest2629-21apt-get19:37:231
2675799191,10cyclictest21983-21runrttasks19:19:531
2675799191,10cyclictest21983-21runrttasks19:19:531
2675699197,10cyclictest38750irq/56-eth021:37:310
2675699191,9cyclictest21983-21runrttasks19:57:490
2675699191,9cyclictest21983-21runrttasks19:57:490
2675699191,14cyclictest21983-21runrttasks19:47:230
2675699191,14cyclictest21983-21runrttasks19:47:230
259662192,12sleep30-21swapper/319:12:303
259662192,12sleep30-21swapper/319:12:303
302432180,4sleep30-21swapper/319:22:333
302432180,4sleep30-21swapper/319:22:333
2675999183,11cyclictest0-21swapper/320:12:243
2675999183,11cyclictest0-21swapper/320:12:243
2675899182,13cyclictest27129-21apt-get19:17:202
2675899182,13cyclictest27129-21apt-get19:17:202
26758991812,4cyclictest0-21swapper/220:17:282
26758991812,4cyclictest0-21swapper/220:17:282
26758991811,5cyclictest8620-21grep19:52:262
26758991811,5cyclictest8620-21grep19:52:262
26758991811,5cyclictest27-21ksoftirqd/220:32:352
26758991811,5cyclictest27-21ksoftirqd/220:32:352
2675799181,13cyclictest29513-21gltestperf20:47:281
2675799181,13cyclictest29513-21gltestperf20:47:281
2675699187,9cyclictest38750irq/56-eth020:22:310
2675699186,10cyclictest24319-21sendmail_mailqu20:32:330
2675699186,10cyclictest24319-21sendmail_mailqu20:32:330
2675699181,2cyclictest131rcu_preempt20:27:280
2675699181,15cyclictest21983-21runrttasks19:32:470
2675699181,15cyclictest21983-21runrttasks19:32:470
2675999174,10cyclictest0-21swapper/319:57:253
2675999174,10cyclictest0-21swapper/319:57:253
2675999172,11cyclictest0-21swapper/319:47:233
2675999172,11cyclictest0-21swapper/319:47:233
2675999172,11cyclictest0-21swapper/319:42:263
2675999172,11cyclictest0-21swapper/319:42:263
2675999172,10cyclictest0-21swapper/320:47:263
2675999172,10cyclictest0-21swapper/320:47:263
2675999172,10cyclictest0-21swapper/319:52:243
2675999172,10cyclictest0-21swapper/319:52:243
2675899178,7cyclictest31717-21ntpq20:52:312
2675899178,7cyclictest31717-21ntpq20:52:312
2675899178,7cyclictest31717-21ntpq20:52:312
2675899171,9cyclictest11625-21sh21:17:302
2675899171,9cyclictest11625-21sh21:17:302
2675899171,9cyclictest11625-21sh21:17:302
26758991712,3cyclictest261rcuc/220:07:422
26758991712,3cyclictest261rcuc/220:07:422
2675699171,8cyclictest12510-21/usr/sbin/munin20:02:270
2675999162,10cyclictest0-21swapper/320:27:253
2675999161,10cyclictest0-21swapper/319:17:263
2675999161,10cyclictest0-21swapper/319:17:263
2675899168,6cyclictest2454-21awk21:02:242
2675899168,6cyclictest2454-21awk21:02:242
2675899167,7cyclictest12413-21grep20:02:262
2675699163,10cyclictest0-21swapper/020:12:240
2675699163,10cyclictest0-21swapper/020:12:240
2675999152,9cyclictest0-21swapper/320:52:243
2675999152,9cyclictest0-21swapper/320:52:243
2675999152,9cyclictest0-21swapper/320:52:243
2675999151,10cyclictest0-21swapper/319:37:273
2675999151,10cyclictest0-21swapper/319:37:273
238032150,4sleep30-21swapper/320:32:263
238032150,4sleep30-21swapper/320:32:263
2675999141,11cyclictest28959-21chrt20:47:093
2675999137,4cyclictest131222sleep320:02:363
2675999131,10cyclictest0-21swapper/321:12:093
2675999131,10cyclictest0-21swapper/321:12:093
2675999124,5cyclictest0-21swapper/320:22:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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