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2025-11-19 - 23:49
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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 rackbslot6.osadl.org (updated Wed Nov 19, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2419021740,3sleep1668499cyclictest09:56:121
1883121620,3sleep3669699cyclictest09:46:113
1883121620,3sleep3669699cyclictest09:46:113
1773911060,4ptp4l401ktimersoftd/308:11:573
177391700,1ptp4l401ktimersoftd/310:57:083
102342660,2sleep30-21swapper/311:08:093
6679996512,29cyclictest31980-21expr09:06:090
6696996453,6cyclictest41-21ksoftirqd/313:41:133
6684996412,17cyclictest4576-21snmp_o5powerctl11:41:331
6684996410,18cyclictest12757-21sed12:31:291
6684996310,20cyclictest3567-21grep13:41:171
6684996210,17cyclictest25149-21sed10:46:171
6684996012,16cyclictest26971-21ssh11:30:231
6684996010,17cyclictest6096-21/usr/sbin/munin10:21:291
667999601,6cyclictest20124-21latency12:41:170
152912590,4sleep1668499cyclictest11:55:561
668499589,18cyclictest31767-21snmp_o5powerctl10:11:211
668499589,16cyclictest11776-21cat09:31:101
6684995810,12cyclictest20045-21expr11:21:121
667999581,3cyclictest31291-21seq10:55:010
6684995710,17cyclictest9100-21users11:46:311
668499568,18cyclictest30806-21ssh11:34:581
668499568,18cyclictest30806-21ssh11:34:581
668499568,18cyclictest25185-21ssh12:47:401
668499568,17cyclictest2125-21ssh13:00:351
668499568,15cyclictest22375-21ssh12:45:311
668499558,17cyclictest13888-21ssh10:32:051
668499555,16cyclictest0-21swapper/110:44:281
177391550,1ptp4l401ktimersoftd/311:17:563
44352544,10sleep20-21swapper/208:10:542
6684995310,15cyclictest15166-21snmp_o5powerctl09:36:191
177391530,1ptp4l401ktimersoftd/311:28:393
668499529,14cyclictest7307-21diskstats13:06:141
668499528,18cyclictest29574-21snmp_o5powerctl10:51:341
6684995210,15cyclictest26158-21hddtemp_smartct10:01:121
6696995039,6cyclictest41-21ksoftirqd/312:26:123
6684995010,12cyclictest1251-21cut10:16:151
667999508,25cyclictest27976-21cat13:31:190
668999494,6cyclictest321ktimersoftd/213:40:592
668999481,6cyclictest18258-21munin-run09:45:532
668999476,6cyclictest33-21ksoftirqd/210:38:312
668999472,6cyclictest321ktimersoftd/209:16:092
668999470,6cyclictest33-21ksoftirqd/209:11:102
6684994710,12cyclictest15026-21bc13:16:111
668999469,7cyclictest33-21ksoftirqd/213:07:112
668999465,8cyclictest33-21ksoftirqd/210:25:552
668999460,6cyclictest16895-21grep11:56:212
668499468,13cyclictest8674-21irqstats11:06:151
668499466,14cyclictest0-21swapper/111:36:101
668499466,14cyclictest0-21swapper/111:36:101
667999463,39cyclictest15682-21tr11:56:120
668999454,6cyclictest321ktimersoftd/211:00:552
6689994541,2cyclictest311rcuc/211:30:352
668999453,7cyclictest321ktimersoftd/211:41:352
668999453,6cyclictest321ktimersoftd/210:11:112
668999452,6cyclictest33-21ksoftirqd/212:05:572
668999452,6cyclictest321ktimersoftd/209:06:282
668999450,8cyclictest321ktimersoftd/212:51:212
667999453,36cyclictest0-21swapper/012:21:110
667999452,37cyclictest11042-21apt-get13:11:110
668999446,8cyclictest33-21ksoftirqd/213:41:272
668999446,7cyclictest33-21ksoftirqd/213:19:592
668999446,7cyclictest33-21ksoftirqd/208:56:222
668999444,8cyclictest321ktimersoftd/212:11:172
668999444,7cyclictest321ktimersoftd/210:26:102
668999444,6cyclictest33-21ksoftirqd/212:16:122
668999444,6cyclictest33-21ksoftirqd/210:46:102
668999442,8cyclictest321ktimersoftd/209:51:112
668999442,6cyclictest321ktimersoftd/210:01:152
668999441,5cyclictest321ktimersoftd/211:16:142
668999440,6cyclictest33-21ksoftirqd/213:31:322
6684994410,8cyclictest12007-21df11:11:111
667999442,32cyclictest3129-21apt-get11:41:130
667999440,2cyclictest32485-21diskmemload11:18:120
177391440,1ptp4l2487-21kworker/3:109:56:253
6689994338,3cyclictest311rcuc/213:14:452
668999433,6cyclictest24364-21/usr/sbin/munin12:46:262
668999433,5cyclictest33-21ksoftirqd/213:02:112
668999433,5cyclictest33-21ksoftirqd/212:01:102
668999433,5cyclictest33-21ksoftirqd/211:04:052
668999432,6cyclictest33-21ksoftirqd/210:55:312
6689994319,8cyclictest33-21ksoftirqd/211:13:042
668999430,8cyclictest321ktimersoftd/210:41:102
668999430,7cyclictest321ktimersoftd/211:51:162
6684994311,19cyclictest31901-21cpuspeed_turbos09:06:091
667999433,32cyclictest419-21apt-get10:16:080
177391430,1ptp4l8041-21kworker/3:008:45:523
6696994231,5cyclictest41-21ksoftirqd/313:16:113
668999426,8cyclictest33-21ksoftirqd/208:51:172
668999426,7cyclictest33-21ksoftirqd/212:32:202
668999426,7cyclictest33-21ksoftirqd/211:46:522
668999426,7cyclictest33-21ksoftirqd/210:31:142
668999425,8cyclictest33-21ksoftirqd/212:45:552
668999424,9cyclictest33-21ksoftirqd/211:32:352
668999424,9cyclictest33-21ksoftirqd/211:32:352
6689994238,2cyclictest311rcuc/211:06:262
668999423,6cyclictest33-21ksoftirqd/210:16:042
668999423,6cyclictest33-21ksoftirqd/208:36:072
668999422,7cyclictest321ktimersoftd/208:41:132
6689994222,9cyclictest33-21ksoftirqd/211:36:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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