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2026-06-14 - 10:06
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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 Sun Jun 14, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3161221650,3sleep30-21swapper/321:14:473
3161221650,3sleep30-21swapper/321:14:473
3161221650,3sleep30-21swapper/321:14:473
141892970,2sleep20-21swapper/200:10:542
141892970,2sleep20-21swapper/200:10:542
88392930,2chrt8840-21/usr/sbin/munin00:05:351
296462880,3sleep00-21swapper/021:11:070
296462880,3sleep00-21swapper/021:11:070
296462880,3sleep00-21swapper/021:11:070
16732790,4sleep30-21swapper/323:16:543
16732790,4sleep30-21swapper/323:16:543
5222770,4sleep30-21swapper/321:15:443
5222770,4sleep30-21swapper/321:15:443
50902670,4sleep10-21swapper/122:40:541
50902670,4sleep10-21swapper/122:40:541
46282670,3sleep10-21swapper/100:39:471
46282670,3sleep10-21swapper/100:39:471
303662590,3chrt0-21swapper/121:12:281
303662590,3chrt0-21swapper/121:12:281
303662590,3chrt0-21swapper/121:12:281
275042560,4sleep30-21swapper/323:10:023
275042560,4sleep30-21swapper/323:10:023
275042560,4sleep30-21swapper/323:10:023
76892550,2sleep3321rcuc/322:05:363
76892550,2sleep3321rcuc/322:05:363
76892550,2sleep3321rcuc/322:05:363
68412550,3chrt0-21swapper/021:23:530
68412550,3chrt0-21swapper/021:23:530
68412550,3chrt0-21swapper/021:23:530
229212550,3chrt0-21swapper/300:22:093
229212550,3chrt0-21swapper/300:22:093
229212550,3chrt0-21swapper/300:22:093
62812540,3sleep30-21swapper/322:03:433
62812540,3sleep30-21swapper/322:03:433
62812540,3sleep30-21swapper/322:03:433
35792540,2chrt131rcu_preempt23:58:590
35792540,2chrt131rcu_preempt23:58:590
35792540,2chrt131rcu_preempt23:58:590
320762540,2sleep132156-21wc19:50:391
320762540,2sleep132156-21wc19:50:391
220532540,3chrt0-21swapper/121:42:141
220532540,3chrt0-21swapper/121:42:141
220532540,3chrt0-21swapper/121:42:141
19942530,2sleep20-21swapper/223:17:222
19942530,2sleep20-21swapper/223:17:222
156282530,4chrt0-21swapper/322:15:363
156282530,4chrt0-21swapper/322:15:363
156282530,4chrt0-21swapper/322:15:363
125132520,3sleep30-21swapper/322:50:413
125132520,3sleep30-21swapper/322:50:413
125132520,3sleep30-21swapper/322:50:413
86522490,2sleep118557-21cyclictest22:05:461
86522490,2sleep118557-21cyclictest22:05:461
86522490,2sleep118557-21cyclictest22:05:461
80012480,4sleep10-21swapper/121:25:351
80012480,4sleep10-21swapper/121:25:351
80012480,4sleep10-21swapper/121:25:351
45572480,3sleep30-21swapper/323:20:353
45572480,3sleep30-21swapper/323:20:353
45572480,3sleep30-21swapper/323:20:353
174212480,2sleep00-21swapper/019:10:350
174212480,2sleep00-21swapper/019:10:350
109612480,3sleep30-21swapper/321:29:023
109612480,3sleep30-21swapper/321:29:023
284992470,7sleep0151rcuc/019:40:360
284992470,7sleep0151rcuc/019:40:360
75662460,3sleep10-21swapper/123:24:151
75662460,3sleep10-21swapper/123:24:151
75662460,3sleep10-21swapper/123:24:151
264272460,4chrt0-21swapper/321:47:593
264272460,4chrt0-21swapper/321:47:593
264742450,2sleep10-21swapper/122:29:091
264742450,2sleep10-21swapper/122:29:091
264742450,2sleep10-21swapper/122:29:091
18560994515,10cyclictest18421-21ssh21:37:582
18560994515,10cyclictest18421-21ssh21:37:582
18560994515,10cyclictest18421-21ssh21:37:582
18560994515,10cyclictest18421-21ssh21:37:582
18559994520,20cyclictest1-21systemd00:00:291
18559994520,20cyclictest1-21systemd00:00:291
18559994520,20cyclictest1-21systemd00:00:291
95122440,3chrt0-21swapper/223:25:452
95122440,3chrt0-21swapper/223:25:452
95122440,3chrt0-21swapper/223:25:452
18560994416,11cyclictest27300-21ssh23:48:412
18560994416,11cyclictest27300-21ssh23:48:412
18560994415,11cyclictest26447-21ssh22:29:062
18560994415,11cyclictest26447-21ssh22:29:062
18560994415,11cyclictest26447-21ssh22:29:062
18560994415,10cyclictest29795-21ssh22:32:552
18560994415,10cyclictest29795-21ssh22:32:552
18560994415,10cyclictest29795-21ssh22:32:552
18560994415,10cyclictest21083-21ssh22:21:242
18560994415,10cyclictest21083-21ssh22:21:242
18560994415,10cyclictest21083-21ssh22:21:242
18560994413,9cyclictest5293-21cut23:20:442
18560994413,9cyclictest5293-21cut23:20:442
18560994413,9cyclictest5293-21cut23:20:442
156522440,3sleep00-21swapper/021:35:180
156522440,3sleep00-21swapper/021:35:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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