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2025-12-23 - 10:13
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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 Tue Dec 23, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
916521490,2sleep1131rcu_preempt19:10:221
916521490,2sleep1131rcu_preempt19:10:221
3178121460,2sleep10-21swapper/123:32:421
3178121460,2sleep10-21swapper/123:32:421
3080821350,3sleep20-21swapper/200:05:192
3080821350,3sleep20-21swapper/200:05:192
1439221330,4sleep333-21ksoftirqd/300:20:473
1439221330,4sleep333-21ksoftirqd/300:20:473
287121160,3sleep00-21swapper/022:30:250
287121160,3sleep00-21swapper/022:30:250
1905921070,3sleep30-21swapper/323:20:153
1905921070,3sleep30-21swapper/323:20:153
92632960,3sleep30-21swapper/322:36:433
92632960,3sleep30-21swapper/322:36:433
92632960,3sleep30-21swapper/322:36:433
115852900,3chrt0-21swapper/222:39:552
115852900,3chrt0-21swapper/222:39:552
115852900,3chrt0-21swapper/222:39:552
297262890,3sleep30-21swapper/300:04:153
156262850,3sleep20-21swapper/223:15:322
156262850,3sleep20-21swapper/223:15:322
91852840,3sleep29237-21/usr/sbin/munin19:10:242
91852840,3sleep29237-21/usr/sbin/munin19:10:242
23482840,4sleep00-21swapper/000:09:260
23482840,4sleep00-21swapper/000:09:260
139782840,3sleep20-21swapper/220:50:292
139782840,3sleep20-21swapper/220:50:292
200652800,3sleep00-21swapper/023:20:280
200652800,3sleep00-21swapper/023:20:280
178952760,2sleep20-21swapper/219:35:192
178952760,2sleep20-21swapper/219:35:192
278792700,3sleep3321rcuc/322:55:273
278792700,3sleep3321rcuc/322:55:273
278792700,3sleep3321rcuc/322:55:273
294682690,3sleep00-21swapper/021:51:230
294682690,3sleep00-21swapper/021:51:230
19392680,2sleep30-21swapper/321:24:013
19392680,2sleep30-21swapper/321:24:013
184462680,3sleep20-21swapper/200:25:242
184462680,3sleep20-21swapper/200:25:242
197872670,3sleep30-21swapper/322:15:183
197872670,3sleep30-21swapper/322:15:183
162702660,3sleep20-21swapper/222:10:462
162702660,3sleep20-21swapper/222:10:462
300552640,3sleep2271ksoftirqd/200:37:092
300552640,3sleep2271ksoftirqd/200:37:092
296792620,3sleep20-21swapper/221:51:412
296792620,3sleep20-21swapper/221:51:412
206642620,3chrt0-21swapper/022:48:450
206642620,3chrt0-21swapper/022:48:450
155052610,2sleep115625-21/usr/sbin/munin23:15:321
155052610,2sleep115625-21/usr/sbin/munin23:15:321
63692590,3sleep30-21swapper/320:30:253
153642590,3chrt0-21swapper/223:49:352
67062560,3sleep30-21swapper/321:28:473
67062560,3sleep30-21swapper/321:28:473
312952530,2sleep031307-21ssh22:26:040
145792530,4chrt0-21swapper/023:48:290
41822520,3chrt0-21swapper/221:59:322
41822520,3chrt0-21swapper/221:59:322
125042520,3sleep20-21swapper/219:20:202
64062500,2sleep16420-21ssh22:00:491
64062500,2sleep16420-21ssh22:00:491
268102500,4sleep20-21swapper/220:00:062
268102500,4sleep20-21swapper/220:00:062
141582490,2sleep014189-21latency_hist23:15:140
141582490,2sleep014189-21latency_hist23:15:140
210642480,3sleep20-21swapper/222:15:322
210642480,3sleep20-21swapper/222:15:322
167652480,2sleep216701-21/usr/sbin/munin21:00:172
167652480,2sleep216701-21/usr/sbin/munin21:00:172
135972470,3sleep10-21swapper/123:47:051
113622470,3sleep20-21swapper/220:45:182
113622470,3sleep20-21swapper/220:45:182
113622470,3sleep20-21swapper/220:45:182
312562460,2sleep10-21swapper/122:26:001
165542450,3chrt0-21swapper/221:38:472
165542450,3chrt0-21swapper/221:38:472
301422440,3sleep30-21swapper/321:19:593
301422440,3sleep30-21swapper/321:19:593
90812430,3sleep08339-21ls19:10:220
90812430,3sleep08339-21ls19:10:220
72412430,2sleep17261-21latency_hist20:35:061
65172430,3chrt0-21swapper/200:13:262
65172430,3chrt0-21swapper/200:13:262
312192430,3chrt0-21swapper/000:38:480
312192430,3chrt0-21swapper/000:38:480
178992410,3chrt0-21swapper/222:45:302
178992410,3chrt0-21swapper/222:45:302
52532400,3chrt0-21swapper/223:05:272
52532400,3chrt0-21swapper/223:05:272
250252400,4sleep00-21swapper/023:25:260
250252400,4sleep00-21swapper/023:25:260
224182400,3sleep00-21swapper/000:30:080
224182400,3sleep00-21swapper/000:30:080
93862390,3sleep30-21swapper/320:40:173
93862390,3sleep30-21swapper/320:40:173
64212390,3chrt0-21swapper/222:00:492
64212390,3chrt0-21swapper/222:00:492
243962390,3sleep30-21swapper/321:14:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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