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2025-12-11 - 18:49
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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 Thu Dec 11, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97583499655,40cyclictest0-21swapper/011:08:170
97583699502,30cyclictest0-21swapper/208:38:402
97583499501,33cyclictest1039474-21sendmail-msp09:46:160
975834994943,5cyclictest975836-21cyclictest07:16:140
975834994714,4cyclictest0-21swapper/009:43:140
975834994533,9cyclictest1072359-21sendmail-msp10:36:360
97583699441,7cyclictest1137945-21ssh11:46:202
97583499423,35cyclictest0-21swapper/011:26:160
975835994026,4cyclictest11050irq/107-eth%d11:16:151
97583699395,11cyclictest171rcu_preempt09:51:202
97583699383,10cyclictest36-21ksoftirqd/212:13:162
97583499372,20cyclictest1165055-21ssh12:18:120
97583699362,12cyclictest1030041-21ld09:33:182
97583699351,6cyclictest1089531-21ssh10:46:182
97583599347,10cyclictest0-21swapper/109:46:161
975834993414,5cyclictest0-21swapper/009:56:160
97583599338,16cyclictest1015743-21diskmemload12:01:181
97583499332,30cyclictest1155141-21sh12:06:180
97583499331,18cyclictest171rcu_preempt11:56:160
97583599324,23cyclictest1177633-21ssh12:31:421
975834993227,3cyclictest1086802-21ld10:43:140
975834993222,7cyclictest1072359-21sendmail-msp10:27:070
97583599315,20cyclictest1094269-21ssh10:52:561
97583599313,7cyclictest1107772-21ntp_states11:08:171
975834993119,8cyclictest1023924-21sendmail-msp09:26:190
97583699303,8cyclictest1172319-21sh12:26:172
97583699301,4cyclictest1123266-21ssh11:28:152
97583699291,9cyclictest1064082-21sed10:16:162
97583699291,5cyclictest0-21swapper/212:32:402
97583499291,2cyclictest1047721-21unin-run09:56:150
97583699282,11cyclictest1121238-21sendmail-msp11:31:582
975836992816,1cyclictest171rcu_preempt11:03:142
97583599287,19cyclictest979139-21sendmail-msp07:28:471
975834992820,1cyclictest0-21swapper/010:18:100
975834992820,1cyclictest0-21swapper/010:18:100
975834992814,3cyclictest171rcu_preempt11:46:200
97583499281,26cyclictest0-21swapper/010:34:550
975834992811,4cyclictest211irq_work/012:01:180
97583599274,17cyclictest111788-21systemd-journal09:26:191
97583599273,11cyclictest1146345-21ssh11:56:481
975835992715,8cyclictest975960-21latency_hist07:16:151
97583499274,19cyclictest1058025-21ntp_states10:08:170
97583499274,15cyclictest111788-21systemd-journal08:53:140
97583499273,2cyclictest0-21swapper/012:38:090
975834992714,11cyclictest985722-21sendmail-msp07:48:140
975836992614,8cyclictest1053950-21open_files10:03:142
975836992612,7cyclictest762-21in:imuxsock09:14:572
97583599265,14cyclictest111788-21systemd-journal09:15:501
97583599264,16cyclictest1127640-21ssh11:33:181
97583599264,15cyclictest619-21mta-sts-daemon10:37:091
975834992618,5cyclictest1098624-21df_inode10:58:080
97583499260,0cyclictest0-21swapper/011:43:210
97583699259,3cyclictest171rcu_preempt11:53:252
97583699256,5cyclictest0-21swapper/210:21:182
97583699256,3cyclictest1017816-21ntpq09:18:132
97583699253,4cyclictest171rcu_preempt10:40:232
97583599259,10cyclictest1005-21mta-sts-daemon10:31:151
97583599252,17cyclictest1145888-21latency_hist11:56:161
97583499251,19cyclictest11050irq/107-eth%d10:48:070
97583699242,3cyclictest171rcu_preempt07:33:162
97583699242,3cyclictest171rcu_preempt07:33:162
97583699242,19cyclictest111788-21systemd-journal09:08:192
97583599243,18cyclictest1003809-21apt-get08:38:401
97583599242,15cyclictest1045642-21/usr/sbin/munin09:53:131
975835992410,9cyclictest111788-21systemd-journal10:56:381
112699240,3rtkit-daemon1125-21rtkit-daemon07:48:361
112699240,2rtkit-daemon1125-21rtkit-daemon09:25:271
97583699238,11cyclictest111788-21systemd-journal11:13:202
975836992317,3cyclictest0-21swapper/207:38:132
975836992310,10cyclictest351ktimers/211:06:192
97583599236,15cyclictest1072359-21sendmail-msp10:33:181
97583599234,7cyclictest0-21swapper/111:15:561
97583499236,11cyclictest967-21snmpd12:26:200
97583499233,14cyclictest1119379-21/usr/sbin/munin11:23:180
975834992317,4cyclictest0-21swapper/010:23:270
97583499231,5cyclictest1169037-21gltestperf12:23:090
975834992312,2cyclictest0-21swapper/012:43:140
975834992311,5cyclictest1088937-21sendmail-msp10:52:560
97583499231,11cyclictest259-21jbd2/mmcblk0p2-812:13:160
97583499230,4cyclictest1147490-21grep11:58:110
97583699222,5cyclictest0-21swapper/210:36:042
97583699222,15cyclictest1150681-21apt-get12:01:182
97583699221,8cyclictest1135639-21ssh11:43:222
97583699220,4cyclictest1118218-21/usr/sbin/munin11:23:132
97583599224,12cyclictest1172091-21sendmail-msp12:26:221
975835992211,6cyclictest0-21swapper/109:36:151
97583499224,13cyclictest1052964-21/usr/sbin/munin10:03:140
97583499222,19cyclictest1023902-21ls09:26:140
97583499222,15cyclictest1121238-21sendmail-msp11:33:160
97583499221,17cyclictest0-21swapper/009:08:130
97583499220,21cyclictest0-21swapper/012:33:100
97583499220,20cyclictest0-21swapper/011:38:490
97583699217,7cyclictest11050irq/107-eth%d12:10:402
97583699214,4cyclictest171rcu_preempt10:09:542
97583699214,14cyclictest1184723-21ld12:38:172
97583699211,0cyclictest0-21swapper/208:48:212
97583599214,12cyclictest764-21rs:main1
97583599213,17cyclictest1063407-21ssh10:15:131
97583499212,2cyclictest171rcu_preempt08:38:400
97583699207,1cyclictest1147444-21tune2fs11:58:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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