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2026-04-24 - 01:58
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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 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
667599250,3cyclictest31177-21find20:17:280
320522250,3chrt0-21swapper/121:24:041
320522250,3chrt0-21swapper/121:24:041
320522250,3chrt0-21swapper/121:24:041
98602240,4chrt9166-21/usr/sbin/munin19:22:191
98602240,4chrt9166-21/usr/sbin/munin19:22:191
6677992413,8cyclictest0-21swapper/220:32:172
6677992413,8cyclictest0-21swapper/220:32:172
667699241,18cyclictest22657-21runrttasks19:57:161
667699241,18cyclictest22657-21runrttasks19:57:161
667799231,9cyclictest16934-21/usr/sbin/munin21:07:232
6677992315,6cyclictest73-21kswapd019:27:172
667699232,18cyclictest15926-21cat19:37:291
667699232,18cyclictest15926-21cat19:37:291
667699232,18cyclictest15926-21cat19:37:291
667599238,7cyclictest12-21ksoftirqd/021:08:330
6675992310,6cyclictest12-21ksoftirqd/020:15:550
6675992310,4cyclictest12-21ksoftirqd/021:17:100
6675992310,4cyclictest12-21ksoftirqd/021:17:100
61072232,14sleep00-21swapper/019:12:270
61072232,14sleep00-21swapper/019:12:270
70672220,4sleep30-21swapper/321:32:223
70672220,4sleep30-21swapper/321:32:223
6677992214,6cyclictest27-21ksoftirqd/220:22:282
6677992214,6cyclictest27-21ksoftirqd/220:22:282
6677992214,6cyclictest27-21ksoftirqd/220:22:282
667799221,3cyclictest131rcu_preempt19:17:292
667799221,3cyclictest131rcu_preempt19:17:292
667799221,16cyclictest2156-21ls21:27:192
667799221,16cyclictest2156-21ls21:27:192
667799221,16cyclictest2156-21ls21:27:192
667799221,16cyclictest13347-21ls19:32:172
667799221,16cyclictest13347-21ls19:32:172
667699228,7cyclictest12189-21find20:52:281
667699228,7cyclictest12189-21find20:52:281
667699220,6cyclictest131rcu_preempt19:42:271
667699220,6cyclictest131rcu_preempt19:42:271
667699220,6cyclictest131rcu_preempt19:42:271
667599227,7cyclictest12-21ksoftirqd/020:47:440
667599227,7cyclictest12-21ksoftirqd/020:47:440
667599222,11cyclictest19028-21tune2fs19:47:170
667599222,11cyclictest19028-21tune2fs19:47:170
667599221,17cyclictest3734-21cut20:32:170
667599221,17cyclictest3734-21cut20:32:170
6676992114,5cyclictest7065-21bingrep21:32:221
6676992114,5cyclictest7065-21bingrep21:32:221
6676992112,7cyclictest20533-21latency_hist19:52:091
6676992112,7cyclictest20533-21latency_hist19:52:091
667599218,6cyclictest12-21ksoftirqd/020:41:440
667599218,6cyclictest12-21ksoftirqd/020:41:440
667599217,5cyclictest12-21ksoftirqd/021:33:170
667599217,5cyclictest12-21ksoftirqd/021:33:170
267872210,2sleep10-21swapper/120:07:191
267872210,2sleep10-21swapper/120:07:191
667799205,5cyclictest27-21ksoftirqd/221:02:282
667799205,5cyclictest27-21ksoftirqd/221:02:282
667799205,5cyclictest27-21ksoftirqd/221:02:282
667799202,8cyclictest27-21ksoftirqd/220:04:542
667799202,8cyclictest27-21ksoftirqd/220:04:542
667799201,13cyclictest30541-21ls20:17:182
667799201,13cyclictest30541-21ls20:17:182
667799201,13cyclictest30541-21ls20:17:182
6676992011,7cyclictest14280-21sshd19:32:381
6676992011,7cyclictest14280-21sshd19:32:381
6675992010,8cyclictest20890-21tune2fs19:52:170
6675992010,8cyclictest20890-21tune2fs19:52:170
667899191,13cyclictest0-21swapper/320:42:173
667899191,13cyclictest0-21swapper/320:42:173
667899191,13cyclictest0-21swapper/320:42:173
667899191,13cyclictest0-21swapper/319:52:113
667899191,13cyclictest0-21swapper/319:52:113
6678991910,8cyclictest33-21ksoftirqd/319:17:283
6678991910,8cyclictest33-21ksoftirqd/319:17:283
667799198,9cyclictest15781-21cat19:37:262
667799198,9cyclictest15781-21cat19:37:262
667799198,9cyclictest15781-21cat19:37:262
6677991913,4cyclictest0-21swapper/221:12:202
6677991913,4cyclictest0-21swapper/221:12:202
667799191,15cyclictest11018-21cron20:52:052
667799191,15cyclictest11018-21cron20:52:052
667699191,10cyclictest26257-21latency_hist20:07:111
667699191,10cyclictest26257-21latency_hist20:07:111
667699190,12cyclictest17917-21find21:07:281
228012190,3sleep30-21swapper/321:15:343
228012190,3sleep30-21swapper/321:15:343
667899182,12cyclictest9744-21chrt19:22:173
667899182,12cyclictest9744-21chrt19:22:173
667899181,11cyclictest0-21swapper/320:27:183
667799188,3cyclictest131rcu_preempt20:07:272
667799188,3cyclictest131rcu_preempt20:07:272
667799183,3cyclictest131rcu_preempt20:52:282
667799183,3cyclictest131rcu_preempt20:52:282
667799182,2cyclictest131rcu_preempt19:42:242
667799182,2cyclictest131rcu_preempt19:42:242
667799182,2cyclictest131rcu_preempt19:42:242
6677991812,3cyclictest27-21ksoftirqd/219:47:272
6677991812,3cyclictest27-21ksoftirqd/219:47:272
667799181,14cyclictest6222-21grep20:37:252
667799181,14cyclictest6222-21grep20:37:252
667699189,7cyclictest25041-21tr21:17:231
667699189,7cyclictest25041-21tr21:17:231
667699189,7cyclictest21-21ksoftirqd/120:27:301
667699187,9cyclictest8049-21netstat20:42:211
667699187,9cyclictest8049-21netstat20:42:211
667699187,9cyclictest8049-21netstat20:42:211
667699183,3cyclictest131rcu_preempt20:47:171
667699183,3cyclictest131rcu_preempt20:47:171
667699181,16cyclictest5637-21fschecks_count20:37:171
667699181,16cyclictest5637-21fschecks_count20:37:171
667699180,10cyclictest695-21runrttasks19:52:321
667699180,10cyclictest695-21runrttasks19:52:321
667899171,12cyclictest0-21swapper/320:02:273
667899171,12cyclictest0-21swapper/320:02:273
667899171,11cyclictest0-21swapper/320:12:213
667799171,13cyclictest21620-21grep19:52:262
667799171,13cyclictest21620-21grep19:52:262
667699173,12cyclictest32327-21fschecks_count20:22:181
667699173,12cyclictest32327-21fschecks_count20:22:181
667699173,12cyclictest32327-21fschecks_count20:22:181
667899161,12cyclictest0-21swapper/320:22:163
667899161,12cyclictest0-21swapper/320:22:163
667899161,12cyclictest0-21swapper/320:22:163
667899161,10cyclictest0-21swapper/320:32:203
667899161,10cyclictest0-21swapper/320:32:203
667899159,4cyclictest33-21ksoftirqd/319:57:273
667899159,4cyclictest33-21ksoftirqd/319:57:273
667899159,4cyclictest0-21swapper/319:52:213
667899159,4cyclictest0-21swapper/319:52:213
667899151,10cyclictest32117-21chrt20:22:123
667899151,10cyclictest32117-21chrt20:22:123
667899151,10cyclictest32117-21chrt20:22:123
667899148,3cyclictest269702sleep320:07:213
667899148,3cyclictest269702sleep320:07:213
667899141,8cyclictest0-21swapper/320:47:163
667899141,8cyclictest0-21swapper/320:47:163
667899141,8cyclictest0-21swapper/319:37:293
667899141,8cyclictest0-21swapper/319:37:293
667899141,8cyclictest0-21swapper/319:37:293
667899141,10cyclictest25702-21taskset21:17:313
667899141,10cyclictest25702-21taskset21:17:313
667899132,9cyclictest13980-21taskset19:32:273
667899132,9cyclictest13980-21taskset19:32:273
667899131,10cyclictest13443-21chrt20:57:183
667899131,10cyclictest13443-21chrt20:57:183
667899123,7cyclictest0-21swapper/321:07:183
667899121,9cyclictest12097-21chrt19:27:283
667899121,8cyclictest6157-21taskset20:37:233
667899121,8cyclictest6157-21taskset20:37:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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