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2026-04-24 - 10:40
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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 Thu Apr 23, 2026 21:36:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
663421700,4chrt21141-21kworker/3:219:12:413
663421700,4chrt21141-21kworker/3:219:12:413
286221150,1sleep012-21ksoftirqd/021:27:290
286221150,1sleep012-21ksoftirqd/021:27:290
286221150,1sleep012-21ksoftirqd/021:27:290
230712980,4sleep00-21swapper/019:57:200
230712980,4sleep00-21swapper/019:57:200
82562970,1sleep012-21ksoftirqd/019:17:280
82562970,1sleep012-21ksoftirqd/019:17:280
45222940,2sleep14516-21find20:32:271
45222940,2sleep14516-21find20:32:271
83942910,1sleep012-21ksoftirqd/020:42:270
83942910,1sleep012-21ksoftirqd/020:42:270
83942910,1sleep012-21ksoftirqd/020:42:270
295482870,3sleep20-21swapper/220:12:302
160172870,3chrt0-21swapper/021:02:290
160172870,3chrt0-21swapper/021:02:290
160172870,3chrt0-21swapper/021:02:290
8712820,2chrt0-21swapper/221:26:022
8712820,2chrt0-21swapper/221:26:022
8712820,2chrt0-21swapper/221:26:022
57522810,5sleep20-21swapper/219:12:202
57522810,5sleep20-21swapper/219:12:202
28152800,2sleep30-21swapper/321:27:283
28152800,2sleep30-21swapper/321:27:283
28152800,2sleep30-21swapper/321:27:283
142022620,2chrt0-21swapper/220:57:292
142022620,2chrt0-21swapper/220:57:292
166012610,4sleep00-21swapper/019:42:050
166012610,4sleep00-21swapper/019:42:050
166012610,4sleep00-21swapper/019:42:050
280292540,2sleep00-21swapper/021:20:260
280292540,2sleep00-21swapper/021:20:260
255972530,3sleep20-21swapper/221:17:302
255972530,3sleep20-21swapper/221:17:302
116572510,3sleep30-21swapper/320:52:193
116572510,3sleep30-21swapper/320:52:193
207912500,2sleep10-21swapper/121:13:031
207912500,2sleep10-21swapper/121:13:031
80462480,2chrt7411-21/usr/sbin/munin20:42:212
80462480,2chrt7411-21/usr/sbin/munin20:42:212
80462480,2chrt7411-21/usr/sbin/munin20:42:212
78442430,2sleep20-21swapper/221:32:332
78442430,2sleep20-21swapper/221:32:332
255102430,2sleep00-21swapper/020:02:280
255102430,2sleep00-21swapper/020:02:280
302072420,3chrt0-21swapper/120:17:151
302072420,3chrt0-21swapper/120:17:151
302072420,3chrt0-21swapper/120:17:151
24302420,3sleep10-21swapper/121:27:221
24302420,3sleep10-21swapper/121:27:221
24302420,3sleep10-21swapper/121:27:221
138192390,2sleep113859-21ps20:57:251
138192390,2sleep113859-21ps20:57:251
160512380,3chrt0-21swapper/121:02:301
160512380,3chrt0-21swapper/121:02:301
160512380,3chrt0-21swapper/121:02:301
667599351,5cyclictest0-21swapper/020:27:280
7112340,2sleep00-21swapper/020:22:290
7112340,2sleep00-21swapper/020:22:290
7112340,2sleep00-21swapper/020:22:290
228752340,2sleep222960-21/usr/sbin/munin19:57:192
228752340,2sleep222960-21/usr/sbin/munin19:57:192
141202340,3sleep00-21swapper/019:32:280
141202340,3sleep00-21swapper/019:32:280
6677993321,10cyclictest695-21runrttasks20:27:292
6676993320,7cyclictest8251-21find19:17:291
6676993320,7cyclictest8251-21find19:17:291
309282310,2sleep30-21swapper/321:22:303
309282310,2sleep30-21swapper/321:22:303
309282310,2sleep30-21swapper/321:22:303
6676992910,4cyclictest131rcu_preempt20:12:281
148912290,2sleep014922-21latency_hist21:02:100
148912290,2sleep014922-21latency_hist21:02:100
187222280,4sleep30-21swapper/319:47:153
187222280,4sleep30-21swapper/319:47:153
187222280,4sleep30-21swapper/319:47:153
122882280,3sleep10-21swapper/119:27:301
6677992719,6cyclictest73-21kswapd019:22:252
6677992719,6cyclictest73-21kswapd019:22:252
667599274,20cyclictest17822-21runrttasks19:42:280
667599274,20cyclictest17822-21runrttasks19:42:280
667599274,20cyclictest17822-21runrttasks19:42:280
6675992710,3cyclictest131rcu_preempt19:22:250
6675992710,3cyclictest131rcu_preempt19:22:250
53302273,18sleep15423-21cpuspeed19:12:151
53302273,18sleep15423-21cpuspeed19:12:151
667599262,4cyclictest131rcu_preempt21:22:280
667599262,4cyclictest131rcu_preempt21:22:280
667599262,4cyclictest131rcu_preempt21:22:280
6675992621,3cyclictest20225-1kworker/0:2H20:07:180
6675992621,3cyclictest20225-1kworker/0:2H20:07:180
667599260,5cyclictest1550rcuc/020:52:290
667599260,5cyclictest1550rcuc/020:52:290
6678992517,4cyclictest0-21swapper/321:02:283
6678992517,4cyclictest0-21swapper/321:02:283
6678992517,4cyclictest0-21swapper/321:02:283
667599255,5cyclictest12-21ksoftirqd/019:27:280
667599250,3cyclictest31177-21find20:17:280
667599250,3cyclictest31177-21find20:17:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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