You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-12-07 - 22:04
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 Thu Dec 07, 2023 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140082199182,13sleep30-21swapper/307:05:533
143062189172,12sleep10-21swapper/107:09:441
140102180164,12sleep00-21swapper/007:05:540
140572172155,12sleep20-21swapper/207:06:322
215192410,0sleep20-21swapper/211:15:012
1451199102,4cyclictest18867-21cron09:35:010
136012100,0sleep10-21swapper/109:30:471
20025290,0sleep20-21swapper/211:53:442
145119980,4cyclictest21404-21munin-run12:35:000
145219970,6cyclictest0-21swapper/208:30:022
145119971,3cyclictest13453-21perf11:50:000
145119970,3cyclictest13169-21munin-run11:10:010
145219960,3cyclictest11686-21/usr/sbin/munin09:50:272
145119962,4cyclictest13477-21munin-run11:30:010
145119960,3cyclictest5346-21awk12:05:000
145269954,1cyclictest7667-21ssh10:26:303
145269952,3cyclictest759-21snmpd10:09:393
145269950,5cyclictest0-21swapper/311:02:353
145269950,5cyclictest0-21swapper/307:10:193
145269950,4cyclictest27852-21diskmemload10:00:043
145269950,4cyclictest13427-21latency_hist11:50:003
145269950,4cyclictest13092-21ntp_states09:50:253
145269950,4cyclictest0-21swapper/308:15:183
145269950,0cyclictest0-21swapper/309:49:233
145219950,5cyclictest0-21swapper/211:43:312
145219950,5cyclictest0-21swapper/210:17:582
145219950,5cyclictest0-21swapper/209:38:062
145179951,2cyclictest0-21swapper/107:45:211
145179950,5cyclictest0-21swapper/112:11:001
145179950,5cyclictest0-21swapper/108:40:261
145119951,4cyclictest5890-21unixbench_multi10:05:290
145119951,4cyclictest0-21swapper/010:51:330
145119950,5cyclictest0-21swapper/011:57:010
145119950,5cyclictest0-21swapper/010:34:210
145119950,5cyclictest0-21swapper/009:13:180
145119950,5cyclictest0-21swapper/007:45:020
145119950,4cyclictest2972-21apt-get08:55:180
145119950,0cyclictest0-21swapper/010:21:320
13905250,0sleep10-21swapper/111:30:131
4150240,3sleep20-21swapper/209:25:292
2743240,1sleep00-21swapper/011:03:140
17381240,0sleep00-21swapper/011:31:360
145269944,0cyclictest0-21swapper/310:31:183
145269944,0cyclictest0-21swapper/309:32:393
145269943,1cyclictest22356-21grep10:55:263
145269942,2cyclictest759-21snmpd08:51:173
145269942,1cyclictest21965-21ssh12:35:183
145269941,3cyclictest8845-21cat08:00:233
145269941,3cyclictest30376-21grep12:20:183
145269941,2cyclictest0-21swapper/312:15:183
145269940,4cyclictest21611-21sed10:15:253
145269940,4cyclictest21060-21perl08:25:223
145269940,4cyclictest0-21swapper/312:31:463
145269940,4cyclictest0-21swapper/312:11:363
145269940,4cyclictest0-21swapper/312:06:543
145269940,4cyclictest0-21swapper/311:50:183
145269940,4cyclictest0-21swapper/311:40:343
145269940,4cyclictest0-21swapper/311:36:453
145269940,4cyclictest0-21swapper/311:25:453
145269940,4cyclictest0-21swapper/311:08:583
145269940,4cyclictest0-21swapper/310:22:203
145269940,4cyclictest0-21swapper/310:10:183
145269940,4cyclictest0-21swapper/309:55:023
145269940,4cyclictest0-21swapper/309:35:183
145269940,4cyclictest0-21swapper/309:26:443
145269940,4cyclictest0-21swapper/309:15:193
145269940,4cyclictest0-21swapper/309:14:293
145269940,4cyclictest0-21swapper/309:05:193
145269940,3cyclictest5202-21latency_hist09:00:003
145269940,3cyclictest4664-21ssh10:45:043
145269940,3cyclictest31501-21ntp_states11:20:243
145269940,3cyclictest307-21apt-config07:45:013
145269940,3cyclictest29702-21diskstats10:40:193
145269940,3cyclictest23815-21irqstats07:25:233
145269940,3cyclictest23033-21apt08:30:203
145269940,3cyclictest23032-21irqstats11:15:253
145269940,3cyclictest15777-21users11:10:303
145269940,3cyclictest14716-21fschecks_time11:30:203
145269940,0cyclictest0-21swapper/309:40:133
145269940,0cyclictest0-21swapper/309:20:443
145269940,0cyclictest0-21swapper/309:00:033
145219944,0cyclictest31-21ksoftirqd/212:10:002
145219944,0cyclictest17084-21kworker/2:007:37:372
145219944,0cyclictest0-21swapper/212:11:532
145219944,0cyclictest0-21swapper/210:11:512
145219943,1cyclictest28909-21sed09:40:232
145219943,1cyclictest21667-21ls07:20:252
145219943,1cyclictest17923-21tr08:20:182
145219941,2cyclictest0-21swapper/209:00:162
145219940,4cyclictest6802-21hddtemp_smartct11:45:212
145219940,4cyclictest29962sleep210:24:212
145219940,4cyclictest16482-21ssh11:30:512
145219940,4cyclictest0-21swapper/211:35:172
145219940,4cyclictest0-21swapper/211:25:192
145219940,4cyclictest0-21swapper/211:00:192
145219940,4cyclictest0-21swapper/210:45:192
145219940,4cyclictest0-21swapper/210:40:172
145219940,4cyclictest0-21swapper/210:29:322
145219940,4cyclictest0-21swapper/209:45:192
145219940,4cyclictest0-21swapper/209:10:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional