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2026-04-10 - 18:18
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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 Apr 10, 2026 10:06:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2312725090,4sleep10-21swapper/107:12:171
2312725090,4sleep10-21swapper/107:12:171
205321120,3sleep012-21ksoftirqd/009:42:140
205321120,3sleep012-21ksoftirqd/009:42:140
2299621080,1sleep012-21ksoftirqd/007:12:160
2299621080,1sleep012-21ksoftirqd/007:12:160
2879421000,2sleep10-21swapper/108:52:141
2879421000,2sleep10-21swapper/108:52:141
58742980,4sleep30-21swapper/307:52:153
58742980,4sleep30-21swapper/307:52:153
148072970,6sleep214809-21ssh09:22:132
148072970,6sleep214809-21ssh09:22:132
148072970,6sleep214809-21ssh09:22:132
78152960,2sleep10-21swapper/107:57:151
78152960,2sleep10-21swapper/107:57:151
158252880,2chrt0-21swapper/009:57:050
158252880,2chrt0-21swapper/009:57:050
88192850,4sleep30-21swapper/309:50:173
88192850,4sleep30-21swapper/309:50:173
243062830,3chrt0-21swapper/109:32:171
243062830,3chrt0-21swapper/109:32:171
224602620,4sleep30-21swapper/310:02:473
224602620,4sleep30-21swapper/310:02:473
224602620,4sleep30-21swapper/310:02:473
297672610,3chrt0-21swapper/009:37:310
297672610,3chrt0-21swapper/009:37:310
80562520,3sleep30-21swapper/309:16:433
80562520,3sleep30-21swapper/309:16:433
246732510,1sleep123992-21/usr/sbin/munin08:42:101
246732510,1sleep123992-21/usr/sbin/munin08:42:101
58782490,2sleep012-21ksoftirqd/007:52:160
58782490,2sleep012-21ksoftirqd/007:52:160
309042480,3sleep00-21swapper/007:32:140
115252480,3sleep30-21swapper/309:19:253
115252480,3sleep30-21swapper/309:19:253
153662450,3chrt0-21swapper/009:22:390
153662450,3chrt0-21swapper/009:22:390
153662450,3chrt0-21swapper/009:22:390
9512440,3sleep30-21swapper/309:06:553
9512440,3sleep30-21swapper/309:06:553
9512440,3sleep30-21swapper/309:06:553
236232440,1sleep023638-21strings09:32:090
236232440,1sleep023638-21strings09:32:090
320612410,2sleep10-21swapper/109:02:061
320612410,2sleep10-21swapper/109:02:061
320612410,2sleep10-21swapper/109:02:061
15172410,2sleep20-21swapper/209:07:062
15172410,2sleep20-21swapper/209:07:062
93982400,3sleep10-21swapper/109:51:071
93982400,3sleep10-21swapper/109:51:071
207292390,3sleep30-21swapper/309:28:573
207292390,3sleep30-21swapper/309:28:573
256772380,3sleep10-21swapper/107:21:541
256772380,3sleep10-21swapper/107:21:541
2333599387,9cyclictest11375-21find09:52:141
2333599387,9cyclictest11375-21find09:52:141
202682380,3sleep30-21swapper/308:32:023
202682380,3sleep30-21swapper/308:32:023
287552360,1chrt12-21ksoftirqd/007:27:160
287552360,1chrt12-21ksoftirqd/007:27:160
289332330,3sleep30-21swapper/309:37:093
289332330,3sleep30-21swapper/309:37:093
229892335,17sleep30-21swapper/307:12:163
229892335,17sleep30-21swapper/307:12:163
23334993023,5cyclictest30211-1kworker/0:1H09:07:160
23334993023,5cyclictest30211-1kworker/0:1H09:07:160
248452290,3sleep00-21swapper/008:42:120
248452290,3sleep00-21swapper/008:42:120
23335992920,7cyclictest28749-21find07:27:161
23335992920,7cyclictest28749-21find07:27:161
2333599291,23cyclictest30701-21find08:57:151
2333599291,23cyclictest30701-21find08:57:151
2333599291,10cyclictest16205-21ssh09:23:591
2333599291,10cyclictest16205-21ssh09:23:591
2333599291,10cyclictest16205-21ssh09:23:591
78322280,2sleep27845-21rm09:16:272
78322280,2sleep27845-21rm09:16:272
2333699288,4cyclictest131rcu_preempt09:57:152
2333699288,4cyclictest131rcu_preempt09:57:152
2333699281,4cyclictest21848-21ssh10:02:152
2333699281,4cyclictest21848-21ssh10:02:152
2333699281,4cyclictest21848-21ssh10:02:152
23336992812,7cyclictest32608-21find09:02:152
23336992812,7cyclictest32608-21find09:02:152
23336992812,7cyclictest32608-21find09:02:152
2333599282,10cyclictest0-21swapper/107:52:151
2333599282,10cyclictest0-21swapper/107:52:151
23336992720,5cyclictest27-21ksoftirqd/207:57:152
23336992720,5cyclictest27-21ksoftirqd/207:57:152
2333599273,3cyclictest131rcu_preempt07:47:141
2333599273,3cyclictest131rcu_preempt07:47:141
3562260,2sleep3321rcuc/307:37:163
3562260,2sleep3321rcuc/307:37:163
3562260,2sleep3321rcuc/307:37:163
2333599261,7cyclictest21-21ksoftirqd/109:07:161
2333599261,7cyclictest21-21ksoftirqd/109:07:161
23335992613,6cyclictest73-21kswapd009:37:151
23335992613,6cyclictest73-21kswapd009:37:151
2333599261,10cyclictest20774-21ssh09:29:021
2333599261,10cyclictest20774-21ssh09:29:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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