You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-24 - 07:34

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #7, 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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 rack7slot7s.osadl.org (updated Sun Nov 24, 2024 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25970210562,38sleep10-21swapper/119:06:151
25970210562,38sleep10-21swapper/119:06:151
2613429985,9sleep30-21swapper/319:08:223
2613429985,9sleep30-21swapper/319:08:223
2607728366,13sleep20-21swapper/219:07:372
2607728366,13sleep20-21swapper/219:07:362
2596928269,9sleep00-21swapper/019:06:140
2596928269,9sleep00-21swapper/019:06:140
270702810,1sleep1241rcuc/120:15:261
166282560,1sleep215651-21kworker/2:200:09:252
2635299320,31cyclictest0-21swapper/221:21:452
2635299295,1cyclictest19570-21diskmemload21:54:272
2635299290,6cyclictest0-21swapper/223:16:422
2635299290,4cyclictest0-21swapper/222:45:142
2635599280,27cyclictest0-21swapper/323:36:433
2635299280,5cyclictest0-21swapper/223:38:032
2635299270,3cyclictest224-21systemd-journal23:27:372
2635299270,3cyclictest0-21swapper/222:35:322
2635599261,4cyclictest0-21swapper/321:20:213
2635299262,2cyclictest0-21swapper/222:30:152
2635299255,19cyclictest2297-21runrttasks22:27:132
2635299250,4cyclictest224-21systemd-journal19:40:292
2635299250,3cyclictest14732-21cron21:00:002
2635299250,3cyclictest14732-21cron21:00:002
2635299250,2cyclictest0-21swapper/222:11:032
2635299240,1cyclictest0-21swapper/222:05:142
2634699248,13cyclictest19570-21diskmemload21:53:410
26355992322,1cyclictest0-21swapper/323:59:493
2635299234,18cyclictest0-21swapper/223:49:072
2635299229,12cyclictest0-21swapper/221:15:092
2635299217,7cyclictest18730-21ssh22:15:372
2635299214,1cyclictest19570-21diskmemload22:00:002
2635299210,4cyclictest20054-21tr00:35:232
2635299210,20cyclictest0-21swapper/223:01:272
2635299210,1cyclictest0-21swapper/221:05:162
2635299201,14cyclictest0-21swapper/223:10:282
26346992019,1cyclictest0-21swapper/023:50:080
26346992019,0cyclictest0-21swapper/021:29:200
2635299193,1cyclictest19570-21diskmemload00:19:212
2635299192,3cyclictest2115-21ssh22:50:192
2635299190,3cyclictest0-21swapper/221:10:212
2635299190,3cyclictest0-21swapper/219:45:222
2635299190,1cyclictest0-21swapper/200:30:012
2635299190,18cyclictest0-21swapper/221:28:412
2635299187,6cyclictest24118-21taskset21:57:222
2635299185,13cyclictest0-21swapper/221:42:552
2635299181,1cyclictest9355-21sed23:40:252
2635299180,0cyclictest0-21swapper/223:30:042
2634699188,9cyclictest14744-21sendmail21:00:000
2634699188,9cyclictest14744-21sendmail21:00:000
2635599172,8cyclictest0-21swapper/322:45:143
2635599171,2cyclictest0-21swapper/300:12:343
2635599170,2cyclictest0-21swapper/322:32:453
2635299177,9cyclictest0-21swapper/221:45:222
2635299171,2cyclictest18189-21perf20:00:002
2635299170,4cyclictest224-21systemd-journal00:25:002
2635299170,2cyclictest0-21swapper/220:35:152
2635299170,16cyclictest11501-21chrt22:56:402
26348991716,1cyclictest0-21swapper/123:30:391
2635599161,1cyclictest141rcu_preempt23:53:423
2635299169,6cyclictest23982-21cut20:10:172
2635299169,6cyclictest22936-21sh20:10:002
2635299168,7cyclictest16867-21expr21:30:172
2635299168,7cyclictest13100-21mailstats23:20:242
2635299164,8cyclictest26583-21apt-get19:10:122
2635299161,6cyclictest37850irq/131-snd_hda19:35:002
26352991610,5cyclictest24241-21grep21:35:172
2635299160,5cyclictest0-21swapper/220:45:182
2635299160,4cyclictest224-21systemd-journal20:02:022
2635299160,3cyclictest0-21swapper/220:35:002
2635299160,15cyclictest11525-21ssh00:29:112
2634699164,7cyclictest22655-21ssh23:05:140
2634699161,8cyclictest7996-21idleruntime-cro22:55:000
26346991612,3cyclictest94-21kswapd021:44:190
2634699160,15cyclictest0-21swapper/023:43:400
26355991514,1cyclictest0-21swapper/300:28:573
26355991512,2cyclictest0-21swapper/300:22:573
2635299158,6cyclictest3363-21taskset19:29:302
2635299158,6cyclictest29563-21grep19:15:162
2635299158,6cyclictest18895-21cat00:10:212
2635299158,6cyclictest17019-21taskset21:02:552
2635299157,7cyclictest8070-21sh00:03:172
2635299157,7cyclictest25156-21taskset22:20:232
2635299153,5cyclictest32454-21cron20:30:002
2635299152,2cyclictest224-21systemd-journal23:51:292
26352991513,2cyclictest24264-21/usr/sbin/munin23:05:262
2635299150,0cyclictest0-21swapper/219:35:142
2634899152,9cyclictest0-21swapper/120:50:001
2634899150,1cyclictest0-21swapper/121:35:241
2634899150,1cyclictest0-21swapper/100:21:501
2634699159,5cyclictest15497-21apache222:37:160
2634699150,13cyclictest0-21swapper/020:15:140
2635599148,5cyclictest24323-21perl21:35:163
26355991412,1cyclictest0-21swapper/300:06:323
26355991411,2cyclictest3506-21grep00:00:163
26355991410,3cyclictest31180-21tr22:25:143
26355991410,3cyclictest22954-21perf20:10:003
2635599140,10cyclictest23802-21aten2_r7power_c22:20:153
2635299148,5cyclictest29973-21chrt20:23:372
2635299147,6cyclictest27280-21head20:15:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional