You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 17:19
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack5slot2.osadl.org (updated Tue Nov 18, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279892203187,11sleep10-21swapper/107:08:001
280302184166,13sleep00-21swapper/007:08:310
280962181164,12sleep20-21swapper/207:09:212
278002177160,12sleep30-21swapper/307:05:333
291722470,0sleep10-21swapper/112:26:071
230442460,0sleep10-21swapper/112:23:301
141792440,0sleep10-21swapper/112:35:191
46012390,0sleep10-21swapper/111:25:171
2830999102,4cyclictest25520-21munin-run11:20:000
31660290,0sleep10-21swapper/109:45:211
283159971,6cyclictest0-21swapper/210:35:142
283159971,5cyclictest0-21swapper/207:15:162
283159964,2cyclictest31-21ksoftirqd/208:25:002
283199955,0cyclictest16134-21kworker/3:211:52:513
283199955,0cyclictest16134-21kworker/3:210:12:053
283199955,0cyclictest16134-21kworker/3:209:49:443
283199955,0cyclictest16134-21kworker/3:209:27:183
283199955,0cyclictest16134-21kworker/3:209:16:083
283199955,0cyclictest16134-21kworker/3:208:42:303
283199955,0cyclictest16134-21kworker/3:208:31:193
283199955,0cyclictest16134-21kworker/3:208:20:073
283199955,0cyclictest16134-21kworker/3:208:08:553
283199955,0cyclictest16134-21kworker/3:207:57:433
283199955,0cyclictest16134-21kworker/3:207:46:323
283199955,0cyclictest16134-21kworker/3:207:12:563
283199955,0cyclictest0-21swapper/308:25:163
283199952,3cyclictest714-21snmpd08:00:183
283199950,5cyclictest0-21swapper/312:23:193
283199950,5cyclictest0-21swapper/312:14:183
283199950,5cyclictest0-21swapper/310:34:203
283199950,5cyclictest0-21swapper/310:08:533
283159955,0cyclictest0-21swapper/210:04:102
283159950,5cyclictest0-21swapper/210:58:092
283159950,0cyclictest0-21swapper/212:07:242
283159950,0cyclictest0-21swapper/211:34:492
283109950,5cyclictest0-21swapper/111:22:291
283109950,5cyclictest0-21swapper/110:50:111
283109950,5cyclictest0-21swapper/110:29:141
283109950,5cyclictest0-21swapper/110:17:351
283109950,5cyclictest0-21swapper/110:07:331
283109950,5cyclictest0-21swapper/109:10:311
283099955,0cyclictest0-21swapper/010:29:250
283099954,1cyclictest0-21swapper/011:08:420
283099952,3cyclictest714-21snmpd09:44:010
283099951,4cyclictest10438-21kworker/0:110:05:220
283099951,4cyclictest0-21swapper/010:40:160
283099950,5cyclictest0-21swapper/010:54:090
283099950,5cyclictest0-21swapper/008:20:110
283099950,4cyclictest1553-21ssh11:40:140
9430240,0sleep30-21swapper/311:11:113
29659240,0sleep20-21swapper/211:54:192
283199944,0cyclictest0-21swapper/312:27:503
283199944,0cyclictest0-21swapper/310:52:053
283199944,0cyclictest0-21swapper/310:01:103
283199943,1cyclictest5037-21tr12:30:233
283199943,1cyclictest25202-21perl09:10:153
283199943,1cyclictest12141-21/usr/sbin/munin09:20:143
283199942,2cyclictest21507-21ntpq09:40:193
283199941,2cyclictest714-21snmpd11:42:223
283199940,4cyclictest8374-21apt-get10:55:123
283199940,4cyclictest16899-21ssh11:47:293
283199940,4cyclictest16030-21apt-get11:15:133
283199940,4cyclictest0-21swapper/311:55:013
283199940,4cyclictest0-21swapper/311:35:213
283199940,4cyclictest0-21swapper/311:07:553
283199940,4cyclictest0-21swapper/309:30:153
283199940,4cyclictest0-21swapper/309:05:143
283199940,4cyclictest0-21swapper/308:10:133
283199940,4cyclictest0-21swapper/307:21:293
283199940,3cyclictest9119-21latency_hist07:35:003
283199940,3cyclictest8775-21/usr/sbin/munin09:50:153
283199940,3cyclictest7443-21irqstats12:15:183
283199940,3cyclictest4232-21df11:25:163
283199940,3cyclictest3668-21diskstats10:20:143
283199940,3cyclictest26800-21perl11:20:153
283199940,3cyclictest24739-21apt-get10:15:003
283199940,3cyclictest18774-21sh12:05:023
283199940,3cyclictest17737-21/usr/sbin/munin08:55:193
283199940,3cyclictest16919-21ssh10:43:003
283199940,3cyclictest15852-21sh12:35:493
283199940,3cyclictest11203-21if_eth009:35:203
283199940,1cyclictest21764-21sed10:45:173
283199940,1cyclictest19323-21hddtemp_smartct11:00:163
283199940,1cyclictest15190-21users10:25:233
283199940,1cyclictest14615-21gltestperf11:30:133
283199940,1cyclictest11925-21tr07:40:113
283159944,0cyclictest0-21swapper/212:26:542
283159944,0cyclictest0-21swapper/212:22:242
283159944,0cyclictest0-21swapper/211:01:122
283159944,0cyclictest0-21swapper/209:40:182
283159944,0cyclictest0-21swapper/209:37:152
283159943,1cyclictest5214-21ssh10:05:112
283159941,2cyclictest0-21swapper/209:00:132
283159941,2cyclictest0-21swapper/208:55:142
283159941,2cyclictest0-21swapper/207:35:132
283159941,1cyclictest0-21swapper/212:30:162
283159941,1cyclictest0-21swapper/211:05:152
283159941,1cyclictest0-21swapper/210:50:132
283159940,4cyclictest5045-21ssh09:15:572
283159940,4cyclictest23664-21df10:30:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional