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2026-04-26 - 01:46
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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 792 highest latencies:
System rack4slot1.osadl.org (updated Sat Apr 25, 2026 21:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1361521360,3sleep30-21swapper/319:22:303
1361521360,3sleep30-21swapper/319:22:303
1169421340,4sleep30-21swapper/319:17:313
1169421340,4sleep30-21swapper/319:17:313
2008121240,4sleep30-21swapper/319:42:073
2008121240,4sleep30-21swapper/319:42:073
2008121240,4sleep30-21swapper/319:42:073
436521120,2sleep30-21swapper/320:22:313
436521120,2sleep30-21swapper/320:22:313
436521120,2sleep30-21swapper/320:22:313
2358621110,2sleep10-21swapper/121:12:311
2358621110,2sleep10-21swapper/121:12:311
637621100,2sleep20-21swapper/221:27:322
637621100,2sleep20-21swapper/221:27:322
637621100,2sleep20-21swapper/221:27:322
1286821020,3chrt0-21swapper/120:47:181
1935121000,4sleep119347-21find19:37:311
1935121000,4sleep119347-21find19:37:311
1935121000,4sleep119347-21find19:37:311
1382421000,2sleep20-21swapper/220:47:322
248462940,7sleep333-21ksoftirqd/321:13:463
248462940,7sleep333-21ksoftirqd/321:13:463
96162890,3chrt0-21swapper/320:37:223
96162890,3chrt0-21swapper/320:37:223
285662820,8sleep127859-21/usr/sbin/munin21:17:251
285662820,8sleep127859-21/usr/sbin/munin21:17:251
319452810,3chrt0-21swapper/020:12:190
61452740,3sleep30-21swapper/320:27:293
204872730,2sleep020617-21needreboot21:42:220
204872730,2sleep020617-21needreboot21:42:220
68232650,4sleep30-21swapper/321:27:493
68232650,4sleep30-21swapper/321:27:493
68232650,4sleep30-21swapper/321:27:493
87342640,3sleep10-21swapper/119:12:181
87342640,3sleep10-21swapper/119:12:181
87342640,3sleep10-21swapper/119:12:181
309502640,1sleep333-21ksoftirqd/320:07:323
309502640,1sleep333-21ksoftirqd/320:07:323
28722640,11sleep333-21ksoftirqd/321:23:473
28722640,11sleep333-21ksoftirqd/321:23:473
285892610,3chrt0-21swapper/020:02:270
285892610,3chrt0-21swapper/020:02:270
265892610,3sleep30-21swapper/319:57:233
265892610,3sleep30-21swapper/319:57:233
164592600,4chrt0-21swapper/319:32:183
171242490,5sleep30-21swapper/320:57:233
171242490,5sleep30-21swapper/320:57:233
250792470,2sleep025075-21find19:52:310
250792470,2sleep025075-21find19:52:310
265722460,2sleep226587-21needreboot19:57:232
265722460,2sleep226587-21needreboot19:57:232
149712460,2sleep10-21swapper/121:37:201
149712460,2sleep10-21swapper/121:37:201
205022400,3sleep30-21swapper/319:42:203
205022400,3sleep30-21swapper/319:42:203
145682390,2sleep121-21ksoftirqd/121:37:121
10100993924,6cyclictest10005-21taskset20:37:302
10100993924,6cyclictest10005-21taskset20:37:302
183342380,1sleep00-21swapper/021:40:240
183342380,1sleep00-21swapper/021:40:240
18692350,1chrt12-21ksoftirqd/021:22:310
18692350,1chrt12-21ksoftirqd/021:22:310
104902340,5chrt0-21swapper/319:17:073
104902340,5chrt0-21swapper/319:17:073
104902340,5chrt0-21swapper/319:17:073
10100993418,7cyclictest21073-21grep21:42:302
10100993418,7cyclictest21073-21grep21:42:302
196402330,4sleep30-21swapper/321:42:043
196402330,4sleep30-21swapper/321:42:043
10100993319,11cyclictest1856-21find21:22:312
10100993319,11cyclictest1856-21find21:22:312
117552320,2sleep012-21ksoftirqd/020:42:270
117552320,2sleep012-21ksoftirqd/020:42:270
1009899312,3cyclictest131rcu_preempt21:17:300
1009899312,3cyclictest131rcu_preempt21:17:300
97082305,15sleep20-21swapper/219:12:322
97082305,15sleep20-21swapper/219:12:322
97082305,15sleep20-21swapper/219:12:322
57492290,2sleep15809-21ntpq20:27:241
1009899294,4cyclictest131rcu_preempt19:57:280
1009899294,4cyclictest131rcu_preempt19:57:280
1009899292,4cyclictest131rcu_preempt19:42:190
1009899292,4cyclictest131rcu_preempt19:42:190
171862280,3sleep0151rcuc/019:32:270
10098992817,5cyclictest12-21ksoftirqd/021:13:400
10098992817,5cyclictest12-21ksoftirqd/021:13:400
4192270,2sleep30-21swapper/321:22:053
4192270,2sleep30-21swapper/321:22:053
28352270,4sleep10-21swapper/120:21:161
28352270,4sleep10-21swapper/120:21:161
10100992715,9cyclictest21281-21grep19:42:312
10100992715,9cyclictest21281-21grep19:42:312
1010099262,9cyclictest8063-21find20:32:302
1010099262,9cyclictest8063-21find20:32:302
10100992614,9cyclictest19257-21grep21:02:252
10100992614,9cyclictest19257-21grep21:02:252
10100992614,9cyclictest19257-21grep21:02:252
1009999269,4cyclictest131rcu_preempt20:32:301
1009999269,4cyclictest131rcu_preempt20:32:301
1009899262,3cyclictest131rcu_preempt19:47:310
10098992615,5cyclictest12-21ksoftirqd/021:29:480
10098992615,5cyclictest12-21ksoftirqd/021:29:480
10098992615,5cyclictest12-21ksoftirqd/021:29:480
1009899259,13cyclictest131rcu_preempt19:27:200
1009899254,11cyclictest0-21swapper/019:24:180
1009899254,11cyclictest0-21swapper/019:24:180
1009899252,3cyclictest131rcu_preempt20:07:310
1009899252,3cyclictest131rcu_preempt20:07:310
1010099242,3cyclictest131rcu_preempt19:37:322
1010099242,3cyclictest131rcu_preempt19:37:322
1010099242,3cyclictest131rcu_preempt19:37:322
10100992419,3cyclictest261rcuc/220:42:302
10100992419,3cyclictest261rcuc/220:42:302
10100992414,8cyclictest73-21kswapd021:17:302
10100992414,8cyclictest73-21kswapd021:17:302
10099992418,4cyclictest21-21ksoftirqd/119:27:201
10099992415,7cyclictest21-21ksoftirqd/120:02:221
10099992415,7cyclictest21-21ksoftirqd/120:02:221
1009999241,3cyclictest0-21swapper/119:22:291
1009999241,3cyclictest0-21swapper/119:22:291
1009899245,6cyclictest16420-21sh20:57:070
10098992418,4cyclictest12-21ksoftirqd/020:32:300
10098992418,4cyclictest12-21ksoftirqd/020:32:300
1009899241,2cyclictest131rcu_preempt20:47:310
1010099231,18cyclictest0-21swapper/220:22:302
1010099231,18cyclictest0-21swapper/220:22:302
1010099231,18cyclictest0-21swapper/220:22:302
1009999238,3cyclictest131rcu_preempt21:42:301
1009999238,3cyclictest131rcu_preempt21:42:301
1009999234,4cyclictest131rcu_preempt19:32:301
10099992314,5cyclictest131rcu_preempt21:22:301
10099992314,5cyclictest131rcu_preempt21:22:301
1009999231,19cyclictest8993-21find20:37:171
1009999231,19cyclictest8993-21find20:37:171
1009899231,7cyclictest1922-21grep20:17:240
1009899231,7cyclictest1922-21grep20:17:240
10098992313,5cyclictest12-21ksoftirqd/021:35:430
100472234,12sleep00-21swapper/019:12:390
100472234,12sleep00-21swapper/019:12:390
100472234,12sleep00-21swapper/019:12:390
10101992216,4cyclictest321rcuc/321:45:353
10101992216,4cyclictest321rcuc/321:45:353
1010099221,2cyclictest131rcu_preempt20:02:312
1010099221,2cyclictest131rcu_preempt20:02:312
1010099221,18cyclictest23545-21ls21:12:302
1010099221,18cyclictest23545-21ls21:12:302
1009999221,3cyclictest131rcu_preempt19:57:291
1009999221,3cyclictest131rcu_preempt19:57:291
10098992212,2cyclictest12-21ksoftirqd/020:22:230
10098992212,2cyclictest12-21ksoftirqd/020:22:230
10098992212,2cyclictest12-21ksoftirqd/020:22:230
1009899221,18cyclictest19768-21sed21:02:320
1009899221,18cyclictest19768-21sed21:02:320
1009899221,18cyclictest19768-21sed21:02:320
10101992116,3cyclictest321rcuc/320:35:063
10101992116,3cyclictest321rcuc/320:35:063
10100992110,8cyclictest14866-21forks21:37:192
10100992110,8cyclictest14866-21forks21:37:192
10099992112,7cyclictest17621-21find20:57:301
10099992112,7cyclictest17621-21find20:57:301
1009999211,16cyclictest24194-21ls19:52:181
1009999211,16cyclictest24194-21ls19:52:181
10101992016,3cyclictest0-21swapper/320:42:303
10101992016,3cyclictest0-21swapper/320:42:303
10101992014,4cyclictest321rcuc/320:16:133
10101992014,4cyclictest321rcuc/319:56:433
10101992014,4cyclictest321rcuc/319:56:433
1010099209,3cyclictest108911grep21:32:332
10099992014,5cyclictest21-21ksoftirqd/121:27:301
10099992014,5cyclictest21-21ksoftirqd/121:27:301
10099992014,5cyclictest21-21ksoftirqd/121:27:301
10099992013,5cyclictest28223-21snmpd19:51:051
10099992011,7cyclictest30709-21/usr/sbin/munin20:07:291
10099992011,7cyclictest30709-21/usr/sbin/munin20:07:291
10099992010,8cyclictest31922-21df_inode20:12:191
1009899208,10cyclictest131rcu_preempt21:07:200
1009899208,10cyclictest131rcu_preempt21:07:200
1009899207,11cyclictest18326-21cron21:02:060
1009899207,11cyclictest18326-21cron21:02:060
1009899201,3cyclictest131rcu_preempt20:27:290
159162190,3sleep30-21swapper/320:52:313
10101991915,3cyclictest321rcuc/320:03:153
10101991915,3cyclictest321rcuc/320:03:153
10101991913,4cyclictest321rcuc/320:20:153
10101991913,4cyclictest321rcuc/320:20:153
1010199191,14cyclictest0-21swapper/319:27:193
1010099198,9cyclictest15918-21unixbench_multi20:52:312
1010099198,2cyclictest131rcu_preempt19:22:312
1010099198,2cyclictest131rcu_preempt19:22:312
1009999196,10cyclictest14750-21sort20:52:181
10099991914,3cyclictest21-21ksoftirqd/120:22:311
10099991914,3cyclictest21-21ksoftirqd/120:22:311
10099991914,3cyclictest21-21ksoftirqd/120:22:311
10099991910,7cyclictest21-21ksoftirqd/121:02:311
10099991910,7cyclictest21-21ksoftirqd/121:02:311
10099991910,7cyclictest21-21ksoftirqd/121:02:311
1009899191,9cyclictest9220-21fschecks_time20:37:180
1009899191,9cyclictest9220-21fschecks_time20:37:180
1010099188,8cyclictest23757-21sshd19:51:132
1010099188,4cyclictest141rcub/020:17:302
1010099188,4cyclictest141rcub/020:17:302
10100991810,6cyclictest0-21swapper/220:27:282
1009999189,6cyclictest21-21ksoftirqd/119:17:311
1009999189,6cyclictest21-21ksoftirqd/119:17:311
1009999185,3cyclictest131rcu_preempt20:42:301
1009999185,3cyclictest131rcu_preempt20:42:301
10099991811,5cyclictest0-21swapper/121:07:281
10099991811,5cyclictest0-21swapper/121:07:281
10099991811,4cyclictest21-21ksoftirqd/119:42:281
10099991811,4cyclictest21-21ksoftirqd/119:42:281
1009899183,13cyclictest11339-21uname19:17:250
1009899183,13cyclictest11339-21uname19:17:250
1009899181,2cyclictest131rcu_preempt19:37:310
1009899181,2cyclictest131rcu_preempt19:37:310
1009899181,2cyclictest131rcu_preempt19:37:310
10101991712,3cyclictest0-21swapper/320:47:213
10101991711,4cyclictest321rcuc/321:08:123
10101991711,4cyclictest321rcuc/321:08:123
1010099178,7cyclictest31980-21cut20:12:192
1010099171,12cyclictest16653-21/usr/sbin/munin20:57:202
1010099171,12cyclictest16653-21/usr/sbin/munin20:57:202
1010099170,10cyclictest695-21runrttasks19:36:512
231612160,3sleep314726-21kworker/3:219:47:303
10101991611,4cyclictest0-21swapper/321:37:073
1010099161,7cyclictest16359-21latency_hist19:32:132
1010099161,5cyclictest24284-21fschecks_count19:52:202
1010099161,5cyclictest24284-21fschecks_count19:52:202
1010099161,3cyclictest131rcu_preempt20:07:202
1010099161,3cyclictest131rcu_preempt20:07:202
1010099161,12cyclictest11633-21grep19:17:302
1010099161,12cyclictest11633-21grep19:17:302
1010099158,5cyclictest27-21ksoftirqd/221:07:202
1010099158,5cyclictest27-21ksoftirqd/221:07:202
1010199149,4cyclictest321rcuc/321:04:063
1010199149,4cyclictest321rcuc/321:04:063
1010199149,4cyclictest321rcuc/321:04:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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