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2025-12-09 - 22:12
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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 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
93030899208,9cyclictest1103584-21ssh11:58:120
93030899200,7cyclictest0-21swapper/009:58:090
93031099195,6cyclictest1055556-21ssh11:03:072
93031099191,3cyclictest171rcu_preempt10:38:162
93031099191,3cyclictest171rcu_preempt10:18:112
93031099191,16cyclictest965795-21apt-get09:01:152
93030999192,12cyclictest1110199-21cron12:06:131
930308991914,4cyclictest0-21swapper/008:08:150
930308991912,6cyclictest912819-1kworker/0:1H+kblockd11:31:140
93031199183,9cyclictest0-21swapper/311:13:153
93031099187,5cyclictest1120291-21fschecks_time12:18:072
93031099184,1cyclictest171rcu_preempt09:58:442
93031099183,5cyclictest971655-21/usr/sbin/munin09:18:072
93030999184,11cyclictest969115-21/usr/sbin/munin09:13:111
93030999183,11cyclictest1008-21mta-sts-daemon09:38:121
93030899187,8cyclictest960920-21fschecks_time08:48:100
93030899185,2cyclictest171rcu_preempt10:54:440
930308991814,3cyclictest945039-21mailstats07:58:140
93030899181,13cyclictest1022116-21ssh10:23:060
112699180,3rtkit-daemon1125-21rtkit-daemon10:06:291
93031199175,7cyclictest0-21swapper/307:53:113
93031199174,9cyclictest0-21swapper/309:34:573
93031199173,5cyclictest0-21swapper/311:38:113
93031199171,5cyclictest0-21swapper/307:33:143
93031099172,10cyclictest976249-21ssh09:23:202
93031099170,3cyclictest990722-21fschecks_count09:43:152
93030999179,5cyclictest961933-21sh08:51:131
93030999174,11cyclictest933062-21cron07:23:131
93030999172,3cyclictest1003014-21ntpq09:58:121
930309991714,2cyclictest954234-21fschecks_count08:28:061
930309991713,4cyclictest1022882-21ntp_kernel_err10:23:121
930309991710,6cyclictest271ktimers/112:38:111
93030899179,7cyclictest912819-1kworker/0:1H+kblockd10:48:170
93030899174,10cyclictest912819-1kworker/0:1H+mmc_complete09:06:190
930308991717,0cyclictest0-21swapper/012:06:130
930308991713,3cyclictest1074611-21grep11:23:200
93031199164,5cyclictest0-21swapper/311:06:173
93031199163,8cyclictest0-21swapper/311:18:153
93031199162,6cyclictest0-21swapper/311:46:173
93031099169,6cyclictest970518-21diskmemload11:15:112
93031099163,4cyclictest171rcu_preempt11:23:152
93031099163,10cyclictest111788-21systemd-journal07:16:142
93031099162,9cyclictest986808-21/usr/sbin/munin09:38:102
93031099162,10cyclictest947127-21sendmail-msp08:16:202
93031099161,11cyclictest934201-21cut07:28:122
93031099160,4cyclictest956928-21sed08:33:202
93030999162,11cyclictest619-21mta-sts-daemon08:58:151
93030999162,11cyclictest1041335-21sendmail-msp10:48:161
930309991612,2cyclictest993060-21cron09:46:131
930309991610,2cyclictest0-21swapper/111:23:121
93030899167,7cyclictest764-21rs:main0
93030899166,5cyclictest951219-21/usr/sbin/munin08:18:100
93030899163,8cyclictest933619-21munin-run07:26:130
93030899163,11cyclictest963984-21aten2.4-expect08:58:100
93030899161,7cyclictest0-21swapper/010:43:060
93031199155,6cyclictest0-21swapper/309:28:143
93031199153,8cyclictest0-21swapper/308:53:163
93031199152,7cyclictest0-21swapper/312:08:143
93031199152,7cyclictest0-21swapper/311:51:173
93031199152,6cyclictest0-21swapper/311:03:143
93031099159,4cyclictest948488-21xargs08:08:202
93031099154,6cyclictest953421-21/usr/sbin/munin08:23:202
93031099153,2cyclictest11050irq/107-eth%d10:58:132
930310991511,3cyclictest959678-21ntp_kernel_pll_08:43:112
93031099151,10cyclictest945350-21sed07:58:182
93030999158,4cyclictest0-21swapper/112:26:131
93030999154,8cyclictest938510-21cron07:41:131
93030999154,7cyclictest1051792-21/usr/sbin/munin10:58:111
93030999153,9cyclictest966585-21/usr/sbin/munin09:03:101
930309991511,4cyclictest941195-21ntp_kernel_err07:48:121
93030999150,12cyclictest933609-21sendmail-msp07:33:461
93030899153,7cyclictest1017985-21ssh10:18:050
93030899151,7cyclictest0-21swapper/011:43:120
930308991515,0cyclictest0-21swapper/008:43:130
93030899151,10cyclictest111788-21systemd-journal07:46:400
93031199147,4cyclictest0-21swapper/307:23:133
93031199144,6cyclictest0-21swapper/309:18:133
93031199143,4cyclictest0-21swapper/310:48:053
93031199142,7cyclictest0-21swapper/312:18:133
93031199141,7cyclictest0-21swapper/312:43:153
93031199141,7cyclictest0-21swapper/312:26:523
93031199141,6cyclictest0-21swapper/310:32:413
93031099142,3cyclictest171rcu_preempt07:48:102
93031099142,3cyclictest0-21swapper/212:03:082
930310991411,2cyclictest962502-21fschecks_count08:53:102
93031099141,11cyclictest960937-21grep08:48:102
93031099141,10cyclictest950408-21cut08:16:132
93030999145,6cyclictest1035343-21/usr/sbin/munin10:38:191
93030999144,8cyclictest1061509-21unixbench_multi11:08:211
93030999144,8cyclictest0-21swapper/108:38:091
93030999143,7cyclictest972640-21ssh09:18:191
93030999142,8cyclictest975767-21tune2fs09:23:161
93030999142,8cyclictest930805-21grep07:18:081
93030999141,9cyclictest934190-21fschecks_time07:28:121
930309991411,2cyclictest0-21swapper/112:43:101
930309991410,3cyclictest953595-21unixbench_multi08:23:201
930309991410,3cyclictest947639-21grep08:08:081
93030899149,4cyclictest0-21swapper/007:33:190
93030899149,3cyclictest930305-21cyclictest07:16:130
93030899142,9cyclictest946420-21/usr/sbin/munin08:03:120
93030899142,9cyclictest938707-21grep07:41:130
93031199136,5cyclictest0-21swapper/311:26:203
93031199135,5cyclictest0-21swapper/310:06:553
93031199135,5cyclictest0-21swapper/309:23:203
93031199135,4cyclictest0-21swapper/310:26:173
93031199135,4cyclictest0-21swapper/309:08:213
93031199134,5cyclictest0-21swapper/310:18:083
93031199134,4cyclictest0-21swapper/309:03:253
93031199134,4cyclictest0-21swapper/307:48:143
93031199133,6cyclictest0-21swapper/312:11:193
93031199133,4cyclictest0-21swapper/308:28:153
93031199132,6cyclictest0-21swapper/309:58:113
93031199132,6cyclictest0-21swapper/307:43:143
93031199132,5cyclictest0-21swapper/308:08:153
93031099135,7cyclictest1022341-21ssh10:23:082
93031099134,7cyclictest1137051-21/usr/sbin/munin12:38:072
93031099134,7cyclictest1124091-21/usr/sbin/munin12:23:042
93031099132,9cyclictest351ktimers/208:28:142
93031099130,1cyclictest171rcu_preempt07:38:122
93030999132,2cyclictest0-21swapper/110:53:161
93030999132,10cyclictest939696-21ps07:43:161
93030999131,10cyclictest956367-21/usr/sbin/munin08:33:131
93030999131,10cyclictest946961-21grep08:03:191
93030999130,9cyclictest960172-21grep08:43:181
93030899131,8cyclictest952351-21aten_r2power_en08:23:050
930308991311,1cyclictest0-21swapper/008:13:100
93031199126,4cyclictest0-21swapper/307:26:273
93031199124,5cyclictest0-21swapper/311:43:153
93031199123,6cyclictest0-21swapper/310:13:063
93031199123,6cyclictest0-21swapper/308:48:153
93031199122,6cyclictest0-21swapper/312:03:143
93031199122,6cyclictest0-21swapper/309:52:253
93031199122,6cyclictest0-21swapper/309:46:143
93031199122,6cyclictest0-21swapper/309:46:143
93031199122,6cyclictest0-21swapper/309:13:133
93031199122,5cyclictest0-21swapper/311:58:123
93031199122,5cyclictest0-21swapper/310:58:143
93031199122,5cyclictest0-21swapper/310:03:113
93031199122,5cyclictest0-21swapper/307:18:123
93031199122,4cyclictest0-21swapper/311:31:143
93031199121,5cyclictest0-21swapper/310:23:133
93031099128,3cyclictest1005-21mta-sts-daemon12:42:082
93031099124,6cyclictest0-21swapper/208:38:052
93031099123,6cyclictest939334-21/usr/sbin/munin07:43:112
93031099122,8cyclictest930358-21cat07:16:142
93030999123,6cyclictest1038957-21/usr/sbin/munin10:43:081
93030999123,4cyclictest947127-21sendmail-msp08:13:101
93030999122,7cyclictest944407-21fschecks_time07:58:081
93030999121,6cyclictest952157-21latency_hist08:21:131
93030899120,11cyclictest957554-21tune2fs08:38:070
93031199113,3cyclictest0-21swapper/308:13:073
93031199113,2cyclictest0-21swapper/310:51:463
93031199112,7cyclictest0-21swapper/312:38:113
93031199112,4cyclictest0-21swapper/312:32:063
93031199111,5cyclictest0-21swapper/308:58:163
93031099112,8cyclictest945793-21aten_r2power_fr08:03:082
93031099112,5cyclictest932162-21/usr/sbin/munin07:23:062
93031199103,4cyclictest0-21swapper/310:38:163
93031199102,5cyclictest0-21swapper/311:23:073
93031199102,4cyclictest0-21swapper/307:38:153
93031199101,5cyclictest0-21swapper/310:42:583
93031199101,5cyclictest0-21swapper/308:33:153
93031199101,5cyclictest0-21swapper/308:03:143
9303119992,5cyclictest0-21swapper/312:23:133
9303119992,5cyclictest0-21swapper/308:43:063
9303119992,5cyclictest0-21swapper/308:16:203
9303119992,3cyclictest0-21swapper/309:36:353
9303119984,3cyclictest0-21swapper/309:43:193
9303119982,2cyclictest0-21swapper/308:23:043
9303119980,5cyclictest0-21swapper/308:38:083
9303119973,2cyclictest0-21swapper/307:58:083
9303119954,1cyclictest0-21swapper/307:16:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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