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2025-07-12 - 12:50
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot6.osadl.org (updated Sat Jul 12, 2025 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
977374993528,4cyclictest0-21swapper/719:45:537
97737499332,18cyclictest1077944-21tr00:10:157
977374993215,2cyclictest0-21swapper/723:36:417
97737499311,2cyclictest1087534-21apt00:40:007
977369993123,5cyclictest0-21swapper/423:14:114
97737499301,16cyclictest3579-21dockerd20:34:207
97737499301,16cyclictest0-21swapper/721:17:557
977370993025,2cyclictest983136-21gltestperf19:25:175
97737099301,25cyclictest0-21swapper/523:25:215
977368993014,1cyclictest0-21swapper/321:50:023
977374992918,8cyclictest1052409-21latency_hist22:55:007
977374992916,3cyclictest711ktimers/720:18:527
977374992916,3cyclictest711ktimers/720:18:517
977374992916,2cyclictest2638619-21containerd20:39:237
977374992913,4cyclictest1164-21containerd23:15:447
977368992924,3cyclictest1039265-21latency_hist22:15:003
977364992924,3cyclictest1159-21containerd23:34:121
977374992814,2cyclictest1028420-21ntp_kernel_pll_21:40:217
977374992812,3cyclictest0-21swapper/720:40:117
977374992812,3cyclictest0-21swapper/720:40:107
977370992823,3cyclictest3579-21dockerd20:53:595
977370992823,3cyclictest3579-21dockerd20:53:585
97736599289,15cyclictest1061473-21/usr/sbin/munin23:20:162
977364992821,3cyclictest1072441-21kworker/u16:10-rpciod00:08:151
977374992716,2cyclictest991243-21cpu19:50:157
977374992716,2cyclictest1071943-21sendmail_mailqu23:50:277
977374992715,2cyclictest1127-21dockerd21:54:527
977374992715,2cyclictest0-21swapper/722:25:197
977373992722,3cyclictest996247-21df_abs20:05:156
977373992711,4cyclictest104740650kworker/u16:17+xprtiod22:55:136
977373992711,4cyclictest104740650kworker/u16:17+xprtiod22:55:136
97737099271,20cyclictest977320-21kworker/u16:9+rpciod19:14:315
97736899277,17cyclictest1068252-21gltestperf23:40:153
977364992723,2cyclictest0-21swapper/120:41:581
977364992723,2cyclictest0-21swapper/120:41:571
97736499270,13cyclictest0-21swapper/121:28:011
977374992615,2cyclictest1011312-21grep20:50:157
977374992615,2cyclictest1011312-21grep20:50:147
977374992615,2cyclictest0-21swapper/720:00:017
97737499260,2cyclictest0-21swapper/719:19:377
977373992622,2cyclictest1058511-21ntp_offset23:10:266
977369992621,2cyclictest1151-21containerd20:49:414
977369992610,2cyclictest0-21swapper/421:50:194
97736899265,17cyclictest0-21swapper/322:55:033
97736899265,17cyclictest0-21swapper/322:55:033
977365992621,2cyclictest1014116-21kworker/u16:7+rpciod21:06:292
97737499253,16cyclictest974493-21kworker/u16:4+rpciod19:10:257
977374992514,2cyclictest1058119-21df_inode23:10:197
97737399254,16cyclictest988492-21kworker/u16:12+rpciod19:58:336
97736999256,2cyclictest1034878-21grep22:00:194
97736999256,2cyclictest1034878-21grep22:00:194
977369992521,2cyclictest1042428-21latency_hist22:25:004
97736899253,18cyclictest1027469-21basename21:40:013
97736899253,18cyclictest1027469-21basename21:40:003
977368992520,3cyclictest992243-21unixbench_singl19:50:283
977368992518,3cyclictest990663-21cron19:49:593
97736899250,20cyclictest0-21swapper/320:57:433
977364992511,5cyclictest103575250kworker/u16:15+rpciod22:08:321
977361992518,4cyclictest1163-21containerd21:54:280
97737499242,18cyclictest1012444-21kworker/u16:8+rpciod20:57:417
97737099242,17cyclictest1072441-21kworker/u16:10+rpciod00:07:565
977370992420,2cyclictest989007-21latency_hist19:45:005
977370992413,8cyclictest0-21swapper/520:00:245
977370992413,8cyclictest0-21swapper/520:00:245
97736999244,17cyclictest1032797-21/usr/sbin/munin21:55:304
97736999244,16cyclictest1074567-21apt-get00:00:154
977368992420,2cyclictest1073920-21timerwakeupswit23:55:303
977368992419,3cyclictest28050irq/117-46000000.ethernet00:38:153
97736599248,3cyclictest990666-21latency_hist19:50:002
97736599242,18cyclictest1081804-21/usr/sbin/munin00:20:172
97736599240,17cyclictest1030746-21kworker/u16:1+rpciod21:59:332
977364992419,2cyclictest1032318-21unixbench_multi21:50:311
977361992419,3cyclictest1048004-21cpu22:40:170
977361992419,3cyclictest1048004-21cpu22:40:170
977374992320,1cyclictest0-21swapper/719:45:007
977374992319,2cyclictest995155-21/usr/sbin/munin20:00:277
977374992319,2cyclictest995155-21/usr/sbin/munin20:00:267
977374992315,2cyclictest982348-21cron19:24:597
977374992314,2cyclictest997311-21kworker/u16:6+rpciod21:00:267
97737399237,1cyclictest0-21swapper/621:18:166
977373992319,2cyclictest1059948-21/usr/sbin/munin23:15:176
977373992317,2cyclictest0-21swapper/600:15:036
97737399231,17cyclictest1164-21containerd00:32:366
97737399231,17cyclictest0-21swapper/622:29:446
97737099235,1cyclictest999399-21latency_hist20:15:025
97737099235,1cyclictest1028949-21timerwakeupswit21:40:275
97737099235,1cyclictest1009901-21gltestperf20:45:185
97737099234,15cyclictest1086484-21df_abs00:35:165
977369992320,2cyclictest1019481-21/usr/sbin/munin21:15:254
977369992319,2cyclictest1049784-21fschecks_time22:45:174
977369992319,2cyclictest1036621-21/usr/sbin/munin22:05:174
977369992319,2cyclictest0-21swapper/400:09:594
977369992318,3cyclictest989016-21idleruntime-cro19:44:594
977369992318,3cyclictest471ktimers/421:28:044
977369992317,2cyclictest1029701-21df_abs21:45:164
977369992315,3cyclictest1034089-21kworker/u16:13+xprtiod22:19:324
97736999231,18cyclictest3894724-21containerd20:07:294
97736899233,16cyclictest0-21swapper/319:23:213
977368992319,2cyclictest995502-21unixbench-2d20:00:283
977368992319,2cyclictest995502-21unixbench-2d20:00:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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