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2025-12-03 - 19:12
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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 Dec 03, 2025 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306521330,4sleep00-21swapper/010:36:100
306521330,4sleep00-21swapper/010:36:100
77821270,3sleep00-21swapper/009:51:170
77821270,3sleep00-21swapper/009:51:170
642421190,3sleep00-21swapper/009:16:160
2313821010,3sleep00-21swapper/009:37:430
2313821010,3sleep00-21swapper/009:37:430
270732970,3sleep10-21swapper/110:26:061
133622810,2sleep00-21swapper/011:28:510
23062800,4sleep30-21swapper/309:54:053
23062800,4sleep30-21swapper/309:54:053
286152750,3sleep30-21swapper/307:31:073
323182690,3sleep00-21swapper/009:06:080
323182690,3sleep00-21swapper/009:06:080
207362690,3sleep10-21swapper/108:36:071
207362690,3sleep10-21swapper/108:36:071
37222650,2sleep10-21swapper/112:37:481
37222650,2sleep10-21swapper/112:37:481
24992650,3chrt0-21swapper/007:46:150
24992650,3chrt0-21swapper/007:46:150
19202650,4sleep00-21swapper/009:11:100
19202650,4sleep00-21swapper/009:11:100
2198599645,9cyclictest131rcu_preempt10:01:031
2198599645,9cyclictest131rcu_preempt10:01:031
2198699639,41cyclictest22368-21apt-config08:41:022
2198599625,7cyclictest131rcu_preempt09:41:031
2198599625,7cyclictest131rcu_preempt09:41:031
2198599624,5cyclictest131rcu_preempt07:26:031
2198599624,5cyclictest131rcu_preempt07:26:031
271422610,3chrt0-21swapper/309:44:253
271422610,3chrt0-21swapper/309:44:253
251932610,4chrt0-21swapper/312:25:083
251932610,4chrt0-21swapper/312:25:083
90432600,3sleep00-21swapper/010:01:180
90432600,3sleep00-21swapper/010:01:180
211582600,3sleep30-21swapper/312:20:103
211582600,3sleep30-21swapper/312:20:103
306982580,2sleep130807-21/usr/sbin/munin12:31:141
306982580,2sleep130807-21/usr/sbin/munin12:31:141
214602560,4sleep020511-21ls07:11:150
214602560,4sleep020511-21ls07:11:150
2198599557,7cyclictest131rcu_preempt10:41:041
2198599557,7cyclictest131rcu_preempt10:41:041
39992540,3sleep30-21swapper/312:38:183
39992540,3sleep30-21swapper/312:38:183
283072540,3sleep00-21swapper/007:30:560
283072540,3sleep00-21swapper/007:30:560
21984995422,20cyclictest38850irq/55-eth010:56:020
205022530,3sleep30-21swapper/310:56:553
2198499529,6cyclictest131rcu_preempt08:46:040
2198499529,6cyclictest131rcu_preempt08:46:040
213572520,3chrt0-21swapper/210:58:432
187722520,3sleep20-21swapper/210:15:382
187722520,3sleep20-21swapper/210:15:382
166632520,11sleep333-21ksoftirqd/310:11:253
166632520,11sleep333-21ksoftirqd/310:11:253
61762510,3sleep20-21swapper/210:40:502
61762510,3sleep20-21swapper/210:40:502
2198699516,32cyclictest14959-21ssh11:31:032
2198699516,32cyclictest14959-21ssh11:31:032
2198599515,5cyclictest131rcu_preempt09:36:051
2198599515,5cyclictest131rcu_preempt09:36:051
2198599511,44cyclictest542-21snmpd08:31:021
2198599511,44cyclictest542-21snmpd08:31:021
206502500,3chrt0-21swapper/009:35:170
206502500,3chrt0-21swapper/009:35:170
170452500,4chrt0-21swapper/308:26:083
170452500,4chrt0-21swapper/308:26:083
100982490,2sleep10-21swapper/111:25:111
100982490,2sleep10-21swapper/111:25:111
302872480,2sleep130293-21sh11:50:071
302872480,2sleep130293-21sh11:50:071
2198599483,8cyclictest131rcu_preempt07:31:041
112182480,12sleep333-21ksoftirqd/310:46:103
112182480,12sleep333-21ksoftirqd/310:46:103
73332470,1sleep27401-21fschecks_count08:01:092
73332470,1sleep27401-21fschecks_count08:01:092
247632470,3sleep10-21swapper/110:22:301
247632470,3sleep10-21swapper/110:22:301
74962460,3chrt0-21swapper/310:41:153
74962460,3chrt0-21swapper/310:41:153
59502460,3sleep30-21swapper/307:56:103
59502460,3sleep30-21swapper/307:56:103
2198699466,32cyclictest3696-21taskset09:56:052
2198599462,33cyclictest13315-21ssh09:26:021
2198599462,33cyclictest13315-21ssh09:26:021
148182450,3sleep00-21swapper/009:26:370
148182450,3sleep00-21swapper/009:26:370
138552450,2chrt0-21swapper/010:08:330
149412440,3chrt0-21swapper/010:51:050
149412440,3chrt0-21swapper/010:51:050
268062430,3sleep30-21swapper/310:26:043
2198599435,6cyclictest131rcu_preempt11:51:021
209582430,3sleep00-21swapper/011:37:190
209582430,3sleep00-21swapper/011:37:190
200882430,3chrt0-21swapper/012:17:500
200882430,3chrt0-21swapper/012:17:500
295382420,3chrt0-21swapper/211:08:432
295382420,3chrt0-21swapper/211:08:432
162442420,4sleep1201rcuc/110:11:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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