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2024-10-03 - 18:51

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 792 highest latencies:
System rack5slot7s.osadl.org (updated Thu Oct 03, 2024 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21313224352192,96sleep00-21swapper07:09:360
214029917218,26cyclictest3589-21apt-get11:56:380
214029916420,115cyclictest14633-21apt-get09:45:250
214029916416,121cyclictest780-21munin-run08:20:020
214029916317,41cyclictest21360-21diskstats10:25:340
214029916316,40cyclictest28974-21apt-get07:56:290
214029916120,31cyclictest24642-21irqstats10:45:380
214029916115,120cyclictest26765-21apt11:00:000
214029916039,24cyclictest20229-21unixbench_singl10:16:030
214029916018,25cyclictest5400-21sed12:01:120
214029915916,119cyclictest1180-21munin-run11:40:010
214029915914,25cyclictest6372-21users08:51:050
214029915913,120cyclictest32133-21/usr/sbin/munin11:30:510
214029915816,121cyclictest3188-21munin-run08:35:020
214029915816,119cyclictest10466-21df12:35:260
214029915811,122cyclictest29013-1kworker/u3:711:11:530
214029915715,118cyclictest24924-21users07:26:060
214029915713,39cyclictest20521-21cat10:20:250
214029915616,23cyclictest7876-21snmpd07:31:050
214029915614,25cyclictest31824-21df08:10:260
214029915613,37cyclictest29408-21apt-get11:17:030
214029915537,22cyclictest4418-21grep08:40:510
214029915528,21cyclictest0-21swapper09:40:590
214029915523,20cyclictest0-21swapper12:25:040
214029915521,20cyclictest23674-1kworker/u3:111:10:060
214029915518,23cyclictest23551-21munin-run10:40:030
214029915515,114cyclictest18023-21apt-get10:05:160
214029915515,112cyclictest6514-21apt-get08:55:170
214029915512,117cyclictest3707-21grep08:35:560
214029915511,26cyclictest3591-21munin-run11:55:010
21402991549,28cyclictest16303-21munin-plugin-st09:55:010
214029915417,111cyclictest5550-21apt-get12:05:160
214029915416,114cyclictest18916-21df10:10:240
214029915415,112cyclictest25859-21/usr/sbin/munin07:35:490
214029915414,117cyclictest31436-21df11:25:250
214029915414,115cyclictest7658-21ntp_states09:00:540
214029915413,41cyclictest17223-21/usr/sbin/munin10:00:430
214029915413,24cyclictest17206-21cat10:00:060
214029915413,118cyclictest22530-21diskstats07:15:250
214029915412,26cyclictest27668-21wc11:05:050
214029915320,44cyclictest7251-21diskstats12:15:310
214029915314,24cyclictest21706-21wc07:10:430
214029915314,23cyclictest13061-21df09:35:250
214029915313,26cyclictest28389-21df_inode07:50:320
214029915219,26cyclictest23776-21df_inode10:40:300
214029915215,114cyclictest22158-21df_inode10:30:290
214029915214,113cyclictest2193-21df11:45:250
214029915213,114cyclictest28115-21sed07:46:030
214029915212,25cyclictest25264-21/usr/sbin/munin10:50:550
214029915212,24cyclictest31105-21wc11:21:090
214029915211,117cyclictest12784-21head09:31:010
214029915121,20cyclictest1555-21users08:21:060
214029915117,26cyclictest30926-21/usr/sbin/munin08:05:480
214029915117,109cyclictest23469-21apt-get07:20:190
214029915116,110cyclictest9667-21df12:30:240
214029915116,110cyclictest26783-21df07:40:260
214029915111,98cyclictest7876-21snmpd11:45:010
214029915111,27cyclictest10860-21grep09:20:480
214029915027,104cyclictest7485-1kworker/u3:308:00:150
214029915013,29cyclictest5235-21ntp_states08:45:510
214029914931,22cyclictest9417-21head12:26:030
214029914913,109cyclictest1693-21/usr/sbin/munin08:26:020
214029914912,110cyclictest9734-21/usr/sbin/munin09:15:320
214029914817,30cyclictest11608-21memory09:25:430
214029914730,23cyclictest0-21swapper12:10:350
214029914715,108cyclictest8255-21diskstats09:05:380
214029914712,111cyclictest8989-21cpu09:10:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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