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2026-06-17 - 11:31
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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 Jun 17, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1055421410,2sleep30-21swapper/323:18:243
84121380,3chrt0-21swapper/323:05:503
84121380,3chrt0-21swapper/323:05:503
2265221220,3chrt0-21swapper/322:15:343
2265221220,3chrt0-21swapper/322:15:343
2170321130,4sleep30-21swapper/322:52:433
2170321130,4sleep30-21swapper/322:52:433
2170321130,4sleep30-21swapper/322:52:433
457121050,3sleep30-21swapper/321:52:473
457121050,3sleep30-21swapper/321:52:473
284492940,2sleep00-21swapper/021:00:350
284492940,2sleep00-21swapper/021:00:350
284492940,2sleep00-21swapper/021:00:350
307852880,3sleep00-21swapper/000:23:440
307852880,3sleep00-21swapper/000:23:440
212992770,3sleep00-21swapper/019:10:410
212992770,3sleep00-21swapper/019:10:410
142212760,3sleep00-21swapper/022:43:480
142212760,3sleep00-21swapper/022:43:480
142212760,3sleep00-21swapper/022:43:480
107932750,9sleep333-21ksoftirqd/323:57:503
107932750,9sleep333-21ksoftirqd/323:57:503
107932750,9sleep333-21ksoftirqd/323:57:503
79812730,2sleep28149-21tune2fs23:15:382
219272730,10sleep333-21ksoftirqd/300:11:293
219272730,10sleep333-21ksoftirqd/300:11:293
219272730,10sleep333-21ksoftirqd/300:11:293
131402660,3sleep10-21swapper/122:03:221
131402660,3sleep10-21swapper/122:03:221
131402660,3sleep10-21swapper/122:03:221
247032620,3sleep30-21swapper/322:17:063
247032620,3sleep30-21swapper/322:17:063
312592610,8sleep333-21ksoftirqd/319:36:073
312592610,8sleep333-21ksoftirqd/319:36:073
248492610,3sleep00-21swapper/020:50:380
248492610,3sleep00-21swapper/020:50:380
24492560,2sleep02457-21ssh00:28:310
24492560,2sleep02457-21ssh00:28:310
287422550,3chrt0-21swapper/321:42:383
287422550,3chrt0-21swapper/321:42:383
219022550,2sleep10-21swapper/120:40:471
219022550,2sleep10-21swapper/120:40:471
166302550,3chrt0-21swapper/020:25:470
166302550,3chrt0-21swapper/020:25:470
95502540,3sleep00-21swapper/023:16:360
281472540,3sleep30-21swapper/323:40:193
68502520,3sleep00-21swapper/021:19:240
68502520,3sleep00-21swapper/021:19:240
169002520,2sleep131751-21diskmemload21:30:391
6672510,2sleep2838-21grep23:05:502
6672510,2sleep2838-21grep23:05:502
182002500,3sleep30-21swapper/320:30:443
182002500,3sleep30-21swapper/320:30:443
182002500,3sleep30-21swapper/320:30:443
225442480,3sleep00-21swapper/022:54:170
225442480,3sleep00-21swapper/022:54:170
225442480,3sleep00-21swapper/022:54:170
2224699461,37cyclictest13736-21taskset00:00:490
2224699461,37cyclictest13736-21taskset00:00:490
2224699461,37cyclictest13736-21taskset00:00:490
236292450,3sleep30-21swapper/323:35:003
236292450,3sleep30-21swapper/323:35:003
2224699443,33cyclictest12319-21sed00:00:300
2224699443,33cyclictest12319-21sed00:00:300
2224699443,33cyclictest12319-21sed00:00:300
94452420,4sleep30-21swapper/300:36:213
94452420,4sleep30-21swapper/300:36:213
94452420,4sleep30-21swapper/300:36:213
236842410,2sleep223822-21timerwakeupswit22:15:502
236842410,2sleep223822-21timerwakeupswit22:15:502
176392410,3sleep00-21swapper/023:26:240
176392410,3sleep00-21swapper/023:26:240
176392410,3sleep00-21swapper/023:26:240
219172400,2sleep220798-21ls19:10:512
219172400,2sleep220798-21ls19:10:512
175232400,4sleep10-21swapper/122:47:271
175232400,4sleep10-21swapper/122:47:271
175232400,4sleep10-21swapper/122:47:271
2224699381,14cyclictest27122-21ntp_states21:40:430
2224699381,14cyclictest27122-21ntp_states21:40:430
274552340,2sleep00-21swapper/020:55:490
274552340,2sleep00-21swapper/020:55:490
215622346,18sleep30-21swapper/319:10:443
215622346,18sleep30-21swapper/319:10:443
2224899324,6cyclictest131rcu_preempt00:01:202
2224899324,6cyclictest131rcu_preempt00:01:202
2224899324,6cyclictest131rcu_preempt00:01:202
75902310,2sleep20-21swapper/223:15:252
75902310,2sleep20-21swapper/223:15:252
75902310,2sleep20-21swapper/223:15:252
290712310,2sleep30-21swapper/300:20:493
290712310,2sleep30-21swapper/300:20:493
2224799318,3cyclictest131rcu_preempt23:35:481
2224699316,10cyclictest25098-21sed00:15:480
2224699316,10cyclictest25098-21sed00:15:480
2224699316,10cyclictest25098-21sed00:15:480
2224699313,11cyclictest32681-21awk23:45:370
2224699313,11cyclictest32681-21awk23:45:370
199732310,2sleep019981-21ssh22:10:530
199732310,2sleep019981-21ssh22:10:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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