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2025-12-01 - 00:04
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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 rackbslot6.osadl.org (updated Sun Nov 30, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1365621710,5sleep11110999cyclictest08:26:571
1773911060,39ptp4l401ktimersoftd/308:20:353
109732820,1sleep20-21swapper/213:06:002
117332800,2sleep10-21swapper/110:30:381
140282700,3sleep00-21swapper/010:32:220
140282700,3sleep00-21swapper/010:32:220
11114996452,6cyclictest33-21ksoftirqd/212:37:152
121022620,3sleep01110499cyclictest13:07:190
11114996046,7cyclictest33-21ksoftirqd/209:02:102
11114995946,7cyclictest33-21ksoftirqd/213:17:172
177391580,0ptp4l401ktimersoftd/311:18:383
97582560,1sleep00-21swapper/011:44:480
11114995640,8cyclictest33-21ksoftirqd/212:57:152
11114995543,7cyclictest33-21ksoftirqd/213:42:172
293972540,1sleep20-21swapper/212:49:182
210282520,1sleep20-21swapper/210:42:112
11114994937,6cyclictest33-21ksoftirqd/210:37:122
11114994937,6cyclictest33-21ksoftirqd/210:37:122
107192494,33sleep20-21swapper/208:18:142
82452470,1sleep00-21swapper/010:27:000
11114994635,5cyclictest33-21ksoftirqd/210:22:122
11114994233,5cyclictest33-21ksoftirqd/208:32:142
11114994129,6cyclictest33-21ksoftirqd/209:42:112
11104994115,4cyclictest10212-21grep11:07:190
11118994024,13cyclictest41-21ksoftirqd/312:46:263
11114994028,7cyclictest33-21ksoftirqd/212:27:162
177391390,1ptp4l401ktimersoftd/313:43:173
177391390,1ptp4l401ktimersoftd/311:29:163
177391390,1ptp4l401ktimersoftd/310:27:263
11104993917,4cyclictest9-21ksoftirqd/009:04:580
177391380,1ptp4l401ktimersoftd/312:17:563
177391380,1ptp4l401ktimersoftd/312:17:563
177391380,1ptp4l401ktimersoftd/312:05:373
177391380,1ptp4l401ktimersoftd/311:26:033
177391380,1ptp4l401ktimersoftd/311:02:153
11114993827,6cyclictest33-21ksoftirqd/209:52:122
1100223815,12sleep09-21ksoftirqd/008:21:550
177391370,1ptp4l401ktimersoftd/313:39:243
177391370,1ptp4l401ktimersoftd/313:31:263
177391370,1ptp4l401ktimersoftd/313:04:183
177391370,1ptp4l401ktimersoftd/312:58:493
177391370,1ptp4l401ktimersoftd/311:45:253
177391370,1ptp4l401ktimersoftd/311:16:023
177391370,1ptp4l401ktimersoftd/311:00:103
177391370,1ptp4l401ktimersoftd/310:47:513
177391370,1ptp4l401ktimersoftd/310:14:513
177391370,1ptp4l401ktimersoftd/308:30:063
177391370,0ptp4l401ktimersoftd/312:23:563
177391370,0ptp4l401ktimersoftd/310:41:183
177391370,0ptp4l401ktimersoftd/310:41:183
11118993713,20cyclictest10732-21latency_hist11:47:023
11118993712,22cyclictest3065-21expr11:37:163
11114993726,6cyclictest33-21ksoftirqd/209:37:122
177391360,1ptp4l401ktimersoftd/313:24:463
177391360,1ptp4l401ktimersoftd/313:08:393
177391360,1ptp4l401ktimersoftd/312:40:273
177391360,1ptp4l401ktimersoftd/311:33:183
177391360,0ptp4l401ktimersoftd/311:58:493
177391360,0ptp4l401ktimersoftd/310:42:503
11118993611,22cyclictest1407-21sed09:07:153
11114993631,3cyclictest33-21ksoftirqd/213:32:042
11104993616,3cyclictest9-21ksoftirqd/008:37:000
177391350,0ptp4l401ktimersoftd/313:33:133
177391350,0ptp4l401ktimersoftd/310:53:163
1111899351,30cyclictest26750-21head08:52:173
11118993512,20cyclictest17486-21date09:41:593
11118993510,22cyclictest5846-21expr09:17:123
11114993531,3cyclictest33-21ksoftirqd/210:52:002
11114993529,3cyclictest33-21ksoftirqd/212:12:212
11114993529,3cyclictest33-21ksoftirqd/212:12:212
1111899349,21cyclictest4306-21cat09:12:183
11114993425,5cyclictest33-21ksoftirqd/208:37:112
1111899336,4cyclictest15999-21if_err_enp1s0.113:47:243
1111899332,5cyclictest0-21swapper/310:02:123
1111899332,4cyclictest0-21swapper/309:27:133
11114993327,3cyclictest33-21ksoftirqd/211:37:182
3692320,3sleep00-21swapper/012:52:410
1111899329,20cyclictest26836-21/usr/sbin/munin12:47:223
1111899329,19cyclictest10474-21if_enp1s0.111:07:203
1111899325,3cyclictest25039-21grep13:22:053
1111899323,9cyclictest23888-21apt-get08:47:123
1111899323,9cyclictest23888-21apt-get08:47:123
1111899322,6cyclictest4438-21apt-get10:22:123
1111899322,6cyclictest0-21swapper/309:22:113
1111899321,6cyclictest10586-21apt-get12:27:163
1111499323,3cyclictest121rcu_preempt12:02:182
11114993227,3cyclictest33-21ksoftirqd/211:07:012
11114993227,3cyclictest33-21ksoftirqd/210:57:192
11114993226,3cyclictest33-21ksoftirqd/211:52:012
11114993224,4cyclictest33-21ksoftirqd/211:17:162
11114993221,9cyclictest33-21ksoftirqd/211:12:332
11114993213,17cyclictest33-21ksoftirqd/211:07:202
1111899317,6cyclictest29899-21sendmail_mailqu08:57:203
1111899316,8cyclictest13298-21gltestperf09:32:163
1111899313,8cyclictest16792-21apt-get08:32:143
11118993110,18cyclictest31365-21fschecks_count12:52:213
11118993110,18cyclictest16801-21fschecks_time13:12:213
11114993126,3cyclictest33-21ksoftirqd/213:47:242
11114993126,3cyclictest33-21ksoftirqd/212:12:022
11114993126,3cyclictest33-21ksoftirqd/212:12:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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