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2026-04-08 - 01:23
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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 Tue Apr 07, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20361997014,51cyclictest0-21swapper/309:22:473
2036199632,55cyclictest14487-21kworker/3:209:35:113
20361996314,43cyclictest3518-21/usr/sbin/munin06:48:143
20361996217,39cyclictest1773-21grep10:58:153
20361995910,43cyclictest8122-21/usr/sbin/munin11:08:003
20361995910,43cyclictest1651-21/usr/sbin/munin06:43:163
20361995910,43cyclictest1651-21/usr/sbin/munin06:43:163
1845325913,16sleep10-21swapper/106:02:561
2036199589,44cyclictest0-21swapper/308:22:063
2036199588,44cyclictest17220-21ssh09:12:173
20361995810,42cyclictest31190-21sendmail_mailtr06:33:153
20361995810,42cyclictest31190-21sendmail_mailtr06:33:153
20361995712,39cyclictest14752-21/usr/sbin/munin07:18:183
197862577,17sleep20-21swapper/206:04:022
2036199569,12cyclictest20881-21unixbench_singl11:23:163
2036199569,12cyclictest20881-21unixbench_singl11:23:163
2036199568,42cyclictest21502-21ssh10:42:573
20361995615,34cyclictest20290-21/usr/sbin/munin08:33:043
20361995614,36cyclictest0-21swapper/310:51:013
20361995611,40cyclictest23690-21perl11:27:593
20361995611,39cyclictest28429-21/usr/sbin/munin06:28:203
20361995611,39cyclictest19229-21ssh10:38:373
2034599564,46cyclictest0-21swapper/011:29:530
2034599564,46cyclictest0-21swapper/010:41:350
2036199559,40cyclictest14487-21kworker/3:210:34:093
2036199559,40cyclictest14487-21kworker/3:210:34:093
2036199558,41cyclictest0-21swapper/310:28:043
2036199554,45cyclictest0-21swapper/308:47:573
20361995513,36cyclictest10153-21/usr/sbin/munin09:03:153
20361995512,38cyclictest11013-21/usr/sbin/munin07:08:163
20361995512,10cyclictest4973-21latency11:03:043
20361995511,39cyclictest26035-21sed09:23:063
20361995511,38cyclictest6597-21perl10:23:003
20361995511,38cyclictest546-21avahi-daemon07:57:493
20361995510,39cyclictest28551-21ssh11:33:213
20361995510,38cyclictest0-21swapper/309:13:083
2035599552,47cyclictest19532-21ssh09:14:062
2036199549,39cyclictest20368-21/usr/sbin/munin07:33:043
2036199548,40cyclictest3337-21ntp_kernel_pll_08:53:093
2036199543,8cyclictest0-21swapper/309:29:463
20361995414,35cyclictest28060-21taskset08:43:093
20361995414,34cyclictest12001-21/usr/sbin/munin11:12:563
20361995413,9cyclictest24575-21/usr/sbin/munin08:38:143
20361995413,35cyclictest9144-21/usr/sbin/munin07:03:203
20361995413,35cyclictest30472-21users10:53:173
20361995413,13cyclictest23983-21latency10:03:043
20361995412,37cyclictest25976-21/usr/sbin/munin07:48:143
20361995411,37cyclictest6471-21timerwakeupswit06:53:183
20361995411,37cyclictest27423-21/usr/sbin/munin10:07:593
20361995411,37cyclictest18030-21ssh09:55:103
20361995411,37cyclictest17049-21processes08:28:133
20361995410,38cyclictest7257-21/usr/sbin/munin06:58:063
20361995410,38cyclictest25934-21sort07:47:503
2034599544,44cyclictest0-21swapper/010:47:520
2036199534,43cyclictest863-21diskmemload09:43:363
2036199534,43cyclictest863-21diskmemload09:43:363
20361995313,34cyclictest26558-21/usr/sbin/munin06:23:243
20361995313,34cyclictest12882-21/usr/sbin/munin07:13:023
20361995311,37cyclictest7694-21ssh09:42:293
20361995311,36cyclictest12417-21ssh08:22:593
20361995311,10cyclictest31595-21/usr/sbin/munin08:03:093
20361995311,10cyclictest31595-21/usr/sbin/munin08:03:093
20361995311,10cyclictest0-21swapper/308:12:263
20361995310,37cyclictest15982-21grep11:17:593
2036199529,38cyclictest31495-21idleruntime10:13:033
20361995213,33cyclictest32167-21/usr/sbin/munin06:38:083
20361995213,33cyclictest32167-21/usr/sbin/munin06:38:083
20361995211,35cyclictest2442-21/usr/sbin/munin10:17:593
20361995211,35cyclictest18533-21cut07:27:593
20361995211,35cyclictest12928-21mailstats09:48:123
20361995211,35cyclictest12928-21mailstats09:48:123
20361995210,36cyclictest8492-21ssh08:59:533
20361995210,36cyclictest29887-21diskstats07:58:023
20361995210,36cyclictest22624-21fschecks_time07:38:033
2035599523,44cyclictest9815-21ssh08:18:182
2035599522,44cyclictest16354-21ls11:18:042
2034599526,41cyclictest863-21diskmemload10:06:340
2034599523,44cyclictest0-21swapper/009:57:380
2034599523,44cyclictest0-21swapper/008:15:180
2036199517,38cyclictest0-21swapper/309:59:233
2036199517,38cyclictest0-21swapper/308:14:393
2035599515,40cyclictest0-21swapper/208:58:172
2035599514,21cyclictest0-21swapper/209:29:142
20355995112,34cyclictest2852-21fschecks_time08:53:022
2034599514,42cyclictest0-21swapper/009:14:460
2034599514,41cyclictest0-21swapper/010:17:350
2034599513,43cyclictest0-21swapper/010:59:340
2034599512,45cyclictest15187-21ssh11:17:140
20345995110,35cyclictest0-21swapper/010:32:190
20361995011,13cyclictest16620-21/usr/sbin/munin07:23:013
20361995010,34cyclictest627-21snmpd06:21:343
2035599504,41cyclictest0-21swapper/208:45:272
2035599504,40cyclictest0-21swapper/211:28:502
20355995037,9cyclictest0-21swapper/210:56:442
2035599501,44cyclictest3230-21ssh09:36:062
2034599504,40cyclictest0-21swapper/011:07:140
2034599503,42cyclictest0-21swapper/011:09:340
2035599494,40cyclictest0-21swapper/208:31:232
2035599494,39cyclictest0-21swapper/208:40:272
2035599493,41cyclictest0-21swapper/211:13:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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