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2025-12-09 - 13:42
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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 rack2slot7.osadl.org (updated Tue Dec 09, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93030899612,35cyclictest976247-21ntpq09:23:200
930308995124,7cyclictest0-21swapper/009:48:160
930308995124,7cyclictest0-21swapper/009:48:160
930308995025,3cyclictest0-21swapper/011:46:470
930308994926,5cyclictest1063224-21latency_hist11:11:130
93030899434,26cyclictest0-21swapper/010:03:460
93030899421,35cyclictest0-21swapper/010:26:210
930308994136,3cyclictest0-21swapper/007:53:110
93030899412,26cyclictest986537-21/usr/sbin/munin09:38:100
930308994121,2cyclictest1010816-21ntpq10:08:160
112699400,4rtkit-daemon1125-21rtkit-daemon11:13:150
93031099373,15cyclictest36-21ksoftirqd/211:41:142
930308993619,3cyclictest0-21swapper/011:38:110
93030999344,13cyclictest1007-21mta-sts-daemon10:26:141
930308993432,2cyclictest0-21swapper/009:53:140
93031099330,9cyclictest1082564-21ntpq11:33:182
93030999337,16cyclictest1088787-21date11:41:141
930309993318,5cyclictest993102-21sendmail-msp09:53:151
93030899335,7cyclictest171rcu_preempt08:53:160
93031099322,7cyclictest1096722-21awk11:51:142
930310993227,3cyclictest930305-21cyclictest11:51:512
93030899322,2cyclictest0-21swapper/009:28:060
93030999316,19cyclictest978007-21sendmail-msp09:30:221
930309993121,6cyclictest993070-21apt-get09:46:141
930309993121,6cyclictest993070-21apt-get09:46:141
93030899312,28cyclictest0-21swapper/011:51:180
930308993116,3cyclictest0-21swapper/012:43:060
930308993115,3cyclictest0-21swapper/011:26:160
93031099307,4cyclictest171rcu_preempt11:26:182
93031099302,5cyclictest0-21swapper/210:03:132
93030899303,21cyclictest953722-21sendmail-msp08:28:150
93030999295,18cyclictest111788-21systemd-journal10:32:411
93030899292,26cyclictest0-21swapper/010:34:420
930308992913,5cyclictest171rcu_preempt12:08:110
93030899291,13cyclictest0-21swapper/009:16:130
93031099285,18cyclictest967-21snmpd10:54:442
930308992816,8cyclictest1008767-21sendmail-msp10:11:360
93031099271,7cyclictest1129471-21ssh12:28:192
930310992717,8cyclictest1114593-21ls12:11:152
930308992720,2cyclictest0-21swapper/012:34:520
930308992712,8cyclictest1120861-21/usr/sbin/munin12:18:130
93031099263,17cyclictest111788-21systemd-journal10:08:162
930310992619,3cyclictest1007-21mta-sts-daemon07:55:232
93030899261,15cyclictest1056569-21/usr/sbin/munin11:03:160
93031099259,1cyclictest171rcu_preempt09:30:562
930309992515,7cyclictest0-21swapper/111:55:431
930309992512,10cyclictest111788-21systemd-journal11:49:471
930308992518,3cyclictest191rcuc/010:38:160
93030899251,13cyclictest1137151-21ssh12:38:080
93031099248,2cyclictest171rcu_preempt09:16:132
93031099247,4cyclictest171rcu_preempt10:43:102
93031099247,14cyclictest1005-21mta-sts-daemon11:41:142
93031099245,4cyclictest171rcu_preempt10:13:162
93031099245,16cyclictest978007-21sendmail-msp09:33:192
930310992413,7cyclictest0-21swapper/210:51:142
93031099240,7cyclictest1000855-21ssh09:55:452
93030999247,3cyclictest1120853-21ssh12:18:131
93030899241,23cyclictest0-21swapper/011:18:470
93030899241,21cyclictest1124996-21ssh12:23:120
93031099233,5cyclictest171rcu_preempt09:06:212
93031099230,6cyclictest0-21swapper/207:33:462
93030999238,8cyclictest1129299-21awk12:28:161
93030999235,10cyclictest1117145-21ntpq12:13:251
93030999231,4cyclictest171rcu_preempt11:03:151
93030999231,13cyclictest1088888-21apt-config11:41:141
930308992313,6cyclictest1008-21mta-sts-daemon08:34:420
93030899230,20cyclictest0-21swapper/009:43:210
93031099222,15cyclictest1025013-21sendmail-msp10:36:142
93031099221,7cyclictest0-21swapper/210:30:562
93031099220,5cyclictest1115085-21ssh12:11:172
93030999226,11cyclictest1013886-21ssh10:13:061
93030999223,15cyclictest1058827-21sendmail-msp11:13:151
93030999223,12cyclictest930307-21systemd-run07:16:131
930309992214,5cyclictest0-21swapper/109:08:211
93030899224,15cyclictest985037-21sh09:34:570
93030899221,21cyclictest0-21swapper/009:18:230
93031099218,9cyclictest351ktimers/209:46:182
93031099218,9cyclictest351ktimers/209:46:182
93031099217,10cyclictest111788-21systemd-journal12:36:072
93031099213,9cyclictest1060936-21ssh11:08:142
93031099213,5cyclictest171rcu_preempt11:18:472
93030999218,10cyclictest0-21swapper/111:26:211
93030999214,13cyclictest111788-21systemd-journal11:56:161
93030999214,13cyclictest1114591-21apt-config12:11:151
93030899213,4cyclictest171rcu_preempt07:43:160
930308992118,2cyclictest931922-21apt07:21:130
930308992114,5cyclictest1110241-21sendmail-msp12:13:250
930308992113,5cyclictest1127759-21ssh12:26:520
930308992110,1cyclictest171rcu_preempt09:01:150
930308992110,1cyclictest0-21swapper/010:58:170
93031099205,13cyclictest351ktimers/208:58:172
930310992014,3cyclictest351ktimers/211:58:122
93030999209,9cyclictest762-21in:imuxsock07:52:271
93030999205,12cyclictest111788-21systemd-journal09:36:031
93030999205,12cyclictest1018863-21ntpq10:18:111
93030999204,14cyclictest960309-21sendmail-msp08:53:161
93030999204,13cyclictest1006827-21ssh10:03:131
93030999204,10cyclictest111788-21systemd-journal11:35:491
930309992014,5cyclictest1069214-21fschecks_count11:18:101
93030999201,3cyclictest11050irq/107-eth%d12:33:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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