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2025-11-22 - 23:48
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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 Sat Nov 22, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1262121160,3sleep0151rcuc/009:40:070
1262121160,3sleep0151rcuc/009:40:070
528321110,2sleep05277-21gzip11:30:590
50321070,2sleep30-21swapper/312:05:553
50321070,2sleep30-21swapper/312:05:553
3050821060,2sleep30-21swapper/309:20:453
3050821060,2sleep30-21swapper/309:20:453
553621020,2sleep30-21swapper/310:51:043
553621020,2sleep30-21swapper/310:51:043
277292880,3sleep00-21swapper/010:39:190
277292880,3sleep00-21swapper/010:39:190
245992790,3sleep20-21swapper/212:32:182
245992790,3sleep20-21swapper/212:32:182
56522780,4sleep10-21swapper/112:11:071
56522780,4sleep10-21swapper/112:11:071
284882780,4sleep30-21swapper/312:36:133
122922760,2sleep112315-21latency_hist10:20:481
122922760,2sleep112315-21latency_hist10:20:481
78902730,2sleep30-21swapper/309:33:233
203942720,1sleep3321rcuc/310:30:543
203942720,1sleep3321rcuc/310:30:543
63392680,2sleep20-21swapper/208:26:032
63392680,2sleep20-21swapper/208:26:032
63392680,2sleep20-21swapper/208:26:032
245932660,3chrt24574-21apt-get10:35:562
245932660,3chrt24574-21apt-get10:35:562
238862660,2sleep10-21swapper/110:35:021
238862660,2sleep10-21swapper/110:35:021
280782600,3sleep00-21swapper/007:56:070
17842600,3sleep30-21swapper/310:06:073
17842600,3sleep30-21swapper/310:06:073
43382590,2sleep10-21swapper/110:10:391
43382590,2sleep10-21swapper/110:10:391
182032570,3chrt0-21swapper/311:06:073
182032570,3chrt0-21swapper/311:06:073
141732570,2sleep30-21swapper/308:46:053
141732570,2sleep30-21swapper/308:46:053
11477995611,9cyclictest131rcu_preempt07:55:532
11477995610,9cyclictest131rcu_preempt08:45:522
11477995610,9cyclictest131rcu_preempt08:45:522
291022540,3sleep30-21swapper/308:00:563
110902540,2sleep011198-21timerandwakeup07:11:070
90002530,3chrt0-21swapper/310:15:593
90002530,3chrt0-21swapper/310:15:593
16192530,3chrt0-21swapper/010:46:060
16192530,3chrt0-21swapper/010:46:060
149602530,2sleep214965-21ssh11:42:162
1147699535,11cyclictest131rcu_preempt12:20:521
1147699535,11cyclictest131rcu_preempt12:20:521
1147699534,35cyclictest13225-21ssh09:40:531
1147699534,35cyclictest13225-21ssh09:40:531
1147599539,41cyclictest945-21ntpd09:45:560
1147599539,41cyclictest945-21ntpd09:45:560
286632520,7sleep1211ksoftirqd/110:40:451
286632520,7sleep1211ksoftirqd/110:40:451
1147799522,42cyclictest8896-21ssh11:35:532
1147799522,42cyclictest8896-21ssh11:35:532
201782510,3sleep30-21swapper/307:36:013
11477995134,10cyclictest22250-21diskmemload10:50:532
11477995134,10cyclictest22250-21diskmemload10:50:532
125892500,4chrt0-21swapper/207:15:592
125892500,4chrt0-21swapper/207:15:592
1147799504,8cyclictest131rcu_preempt08:15:532
1147799504,8cyclictest131rcu_preempt08:15:532
82132490,3sleep00-21swapper/010:15:400
82132490,3sleep00-21swapper/010:15:400
257402490,2sleep30-21swapper/311:16:033
257402490,2sleep30-21swapper/311:16:033
25052490,3sleep20-21swapper/210:07:142
25052490,3sleep20-21swapper/210:07:142
177872490,3chrt0-21swapper/211:46:092
177872490,3chrt0-21swapper/211:46:092
61472480,3chrt0-21swapper/110:51:221
61472480,3chrt0-21swapper/110:51:221
232722480,3sleep00-21swapper/011:52:580
232722480,3sleep00-21swapper/011:52:580
42282470,2sleep24225-21cat12:10:442
42282470,2sleep24225-21cat12:10:442
293242470,2sleep10-21swapper/108:00:591
21262470,2chrt0-21swapper/010:06:240
21262470,2chrt0-21swapper/010:06:240
1147699471,31cyclictest28860-21ssh10:40:531
1147699471,31cyclictest28860-21ssh10:40:531
1147599473,39cyclictest13448-21ssh12:20:530
1147599473,39cyclictest13448-21ssh12:20:530
310962460,4sleep30-21swapper/309:20:573
310962460,4sleep30-21swapper/309:20:573
226522460,2sleep10-21swapper/111:51:421
226522460,2sleep10-21swapper/111:51:421
1147699466,6cyclictest131rcu_preempt07:35:531
1147699461,35cyclictest732-21runrttasks08:55:521
214232450,3sleep00-21swapper/009:06:110
214232450,3sleep00-21swapper/009:06:110
1147599451,37cyclictest27063-21ssh12:35:500
1147599451,37cyclictest27063-21ssh12:35:500
42042440,2sleep14221-21ssh12:10:441
42042440,2sleep14221-21ssh12:10:441
74652430,2sleep10-21swapper/111:33:541
60652430,3sleep20-21swapper/209:30:572
289372430,2sleep128970-21latency_hist12:00:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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