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2025-12-28 - 09:13
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Sun Dec 28, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1545899742,66cyclictest2366-21/usr/sbin/munin19:52:223
1545899722,64cyclictest6119-21/usr/sbin/munin20:02:113
1545899712,63cyclictest13596-21/usr/sbin/munin20:22:053
1545899712,63cyclictest13596-21/usr/sbin/munin20:22:053
1545899704,60cyclictest0-21swapper/322:03:223
1545899702,62cyclictest11725-21/usr/sbin/munin20:17:183
1545899702,62cyclictest11725-21/usr/sbin/munin20:17:183
15458997011,53cyclictest0-21swapper/320:12:013
1545899694,59cyclictest0-21swapper/323:07:223
1545899694,59cyclictest0-21swapper/323:07:223
1545899694,59cyclictest0-21swapper/300:20:493
1545899694,58cyclictest29301-21/usr/sbin/munin21:02:053
1545899693,59cyclictest3179-21timerandwakeup21:57:133
1545899693,59cyclictest18231-21timerwakeupswit23:52:123
1545899689,53cyclictest0-21swapper/323:34:223
1545899688,54cyclictest0-21swapper/323:26:093
1545899686,56cyclictest0-21swapper/323:46:533
1545899682,60cyclictest19211-21/usr/sbin/munin20:37:023
1545899682,60cyclictest16059-21/usr/sbin/munin19:02:023
1545899682,37cyclictest25401-21/usr/sbin/munin19:27:093
15458996810,52cyclictest0-21swapper/322:21:433
15458996810,52cyclictest0-21swapper/322:21:433
15458996810,52cyclictest0-21swapper/321:16:193
15458996810,26cyclictest0-21swapper/322:08:003
1545899677,54cyclictest0-21swapper/300:23:243
1545899675,56cyclictest0-21swapper/323:38:273
1545899675,56cyclictest0-21swapper/322:16:283
1545899675,56cyclictest0-21swapper/300:08:093
1545899674,57cyclictest0-21swapper/322:49:573
1545899673,58cyclictest2066-21timerwakeupswit22:42:143
1545899673,58cyclictest0-21swapper/320:06:573
1545899672,59cyclictest28144-21sendmail_mailqu19:32:143
1545899672,58cyclictest10483-21perl21:21:593
1545899672,58cyclictest10483-21perl21:21:593
1545899665,55cyclictest0-21swapper/323:42:233
1545899665,55cyclictest0-21swapper/323:42:233
1545899664,56cyclictest0-21swapper/321:46:113
1545899664,56cyclictest0-21swapper/300:14:493
1545899662,58cyclictest24764-21ssh22:28:333
1545899662,58cyclictest24130-21runrttasks00:01:533
1545899662,58cyclictest21191-21latency21:37:043
1545899662,58cyclictest17339-21/usr/sbin/munin20:32:013
1545899662,58cyclictest15471-21/usr/sbin/munin20:27:143
15458996611,49cyclictest0-21swapper/322:36:073
15458996611,49cyclictest0-21swapper/321:34:523
15458996611,49cyclictest0-21swapper/300:28:293
15458996611,49cyclictest0-21swapper/300:28:293
1545899655,54cyclictest0-21swapper/323:12:443
1545899655,54cyclictest0-21swapper/322:59:073
1545899655,54cyclictest0-21swapper/322:22:063
1545899654,55cyclictest0-21swapper/323:02:063
1545899654,55cyclictest0-21swapper/322:56:273
1545899654,55cyclictest0-21swapper/321:29:463
1545899654,55cyclictest0-21swapper/321:29:463
1545899654,55cyclictest0-21swapper/321:08:253
1545899653,56cyclictest0-21swapper/322:38:073
1545899653,30cyclictest25711-21iostat_ios23:17:013
1545899644,54cyclictest0-21swapper/321:50:173
1545899644,54cyclictest0-21swapper/321:17:593
1545899644,23cyclictest0-21swapper/323:29:103
1545899643,55cyclictest31297-21fschecks_time21:52:003
1545899643,55cyclictest20507-21/usr/sbin/munin23:56:533
1545899642,57cyclictest26703-21/usr/sbin/munin20:57:153
1545899642,29cyclictest4251-21/usr/sbin/munin19:57:133
1545899639,48cyclictest0-21swapper/320:42:143
1545899622,54cyclictest25116-21grep20:52:003
15458996211,45cyclictest0-21swapper/320:48:393
1545899592,51cyclictest29142-21/usr/sbin/munin19:37:013
1544199595,48cyclictest21369-21open_inodes23:57:070
1545899563,48cyclictest0-21swapper/319:50:003
1545399554,45cyclictest0-21swapper/222:58:382
1545399544,8cyclictest0-21swapper/221:47:062
1545399533,6cyclictest0-21swapper/223:10:212
1545399533,6cyclictest0-21swapper/223:10:212
1545399533,45cyclictest0-21swapper/223:33:182
1545399533,43cyclictest0-21swapper/223:37:202
1545399524,42cyclictest0-21swapper/222:08:522
1545399523,8cyclictest0-21swapper/222:24:422
1545399523,42cyclictest0-21swapper/222:18:422
1545399523,42cyclictest0-21swapper/222:18:422
15453995215,32cyclictest46962sleep200:20:362
15441995215,32cyclictest22613-21processes23:12:070
15441995211,35cyclictest0-21swapper/021:57:060
1545899512,42cyclictest18786-21rt-features19:07:143
1545399516,39cyclictest0-21swapper/221:43:032
1545399513,44cyclictest0-21swapper/219:12:342
1545399513,43cyclictest0-21swapper/223:47:052
1545399513,43cyclictest0-21swapper/219:59:352
1545399513,42cyclictest0-21swapper/223:44:002
1545399513,42cyclictest0-21swapper/223:44:002
1545399513,42cyclictest0-21swapper/223:16:212
1545399513,42cyclictest0-21swapper/222:16:222
1544199513,42cyclictest1081-21fschecks_count22:41:570
1545399504,41cyclictest0-21swapper/221:16:132
1545399504,40cyclictest0-21swapper/221:56:272
1545399503,41cyclictest0-21swapper/221:36:232
15453995011,33cyclictest0-21swapper/221:26:462
15453995011,33cyclictest0-21swapper/221:26:462
1544199505,39cyclictest3157-21/usr/sbin/munin23:32:120
1544199505,38cyclictest0-21swapper/021:37:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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