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2024-04-27 - 14:15

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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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.

Total number of samples: 50.5 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 highest latencies:
System rack5slot7s.osadl.org (updated Sat Apr 27, 2024 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21615224362196,97sleep00-21swapper19:07:280
219489916317,26cyclictest1087-21apt-get23:41:260
21948991629,125cyclictest27256-21apt-get19:46:520
219489916216,40cyclictest17075-21/usr/sbin/munin22:00:340
219489916112,28cyclictest26559-21/usr/sbin/munin19:41:020
219489916014,122cyclictest29880-21apt-get20:02:060
219489915912,124cyclictest29018-21sed19:51:110
219489915817,114cyclictest8925-21memory00:25:490
219489915710,122cyclictest15094-21grep21:46:020
219489915620,112cyclictest21452-21df_inode22:25:290
219489915615,113cyclictest23775-21apt-get22:40:170
219489915614,40cyclictest8471-21sort00:21:110
219489915614,36cyclictest29351-21sort23:11:090
219489915610,103cyclictest16980-21systemctl22:00:030
219489915517,115cyclictest24471-21apt-get22:46:420
219489915516,27cyclictest5461-21apt-get00:05:190
219489915516,116cyclictest26635-21memory22:55:490
219489915514,117cyclictest23655-21munin-run22:40:030
219489915513,119cyclictest32703-21wc20:15:210
219489915512,121cyclictest13054-21/usr/sbin/munin21:36:040
219489915512,117cyclictest1177-21latency_hist23:40:080
219489915510,122cyclictest10670-21dpkg21:20:130
21948991549,121cyclictest4302-21wc20:40:230
21948991548,123cyclictest31490-21cut20:06:070
21948991548,122cyclictest16514-21snmpd22:54:000
219489915422,26cyclictest11574-21diskstats21:25:330
219489915414,24cyclictest31373-21/usr/sbin/munin23:25:380
219489915412,116cyclictest18300-21irqstats22:05:490
219489915330,102cyclictest0-21swapper00:05:010
219489915318,50cyclictest29283-21df19:55:280
219489915317,35cyclictest7158-21df_inode00:15:270
219489915317,23cyclictest7550-21diskstats21:00:330
219489915312,26cyclictest22405-21missed_timers22:30:510
219489915277,51cyclictest31212-21cat23:25:060
219489915227,107cyclictest2242-21apt-get23:45:190
219489915219,38cyclictest10986-21munin-run00:40:020
219489915213,112cyclictest23966-21grep19:21:050
219489915212,27cyclictest6121-21tr20:50:500
219489915212,26cyclictest6368-21diskstats00:10:330
219489915212,116cyclictest15471-21/usr/sbin/munin21:50:580
219489915122,104cyclictest3838-21apt-get23:55:170
219489915115,24cyclictest29931-21ntp_states23:15:540
219489915114,40cyclictest3388-21kworker/u2:1520:35:060
219489915114,114cyclictest14053-21irqstats21:40:400
219489915114,112cyclictest8482-21memory21:05:480
219489915114,112cyclictest20433-21munin-run22:20:030
219489915112,23cyclictest5287-21wc20:45:480
219489915013,23cyclictest19621-21latency_hist22:15:010
219489915010,116cyclictest26018-21grep19:35:470
219489915010,115cyclictest6824-21latency20:55:440
219489915010,114cyclictest3245-21sed20:31:070
21948991499,38cyclictest32623-21grep23:31:030
219489914917,24cyclictest27393-21irqstats23:00:430
219489914913,26cyclictest28016-21/usr/sbin/munin23:05:440
219489914913,114cyclictest9652-21sed21:11:090
219489914912,114cyclictest9723-21memory00:30:480
219489914912,113cyclictest1640-21grep20:21:050
21948991489,39cyclictest24570-21find19:25:580
219489914819,27cyclictest12368-21diskstats21:30:330
219489914819,103cyclictest22744-21munin-run19:15:030
219489914817,31cyclictest10135-21ntpq21:15:580
219489914718,104cyclictest23149-21users19:15:250
219489914714,110cyclictest1897-21df20:25:240
219489914615,94cyclictest25465-21cat19:31:000
219489914613,26cyclictest31828-21/usr/sbin/munin20:10:550
219489914516,27cyclictest3133-21df23:50:240
219489914516,106cyclictest20653-21df22:20:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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