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2024-10-13 - 21:55

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #4

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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackfslot4s.osadl.org (updated Sun Oct 13, 2024 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1787521230,2chrt17872-21diskstats08:20:450
150621170,2chrt1505-21ssh10:50:210
548821160,2chrt5485-21cat11:55:030
1573221130,3chrt15731-21ssh10:16:350
154521100,2chrt1544-21ssh09:51:070
3008021090,2chrt30081-21sleep10:42:300
1229721090,1sleep012298-21basename09:12:230
2246821080,3chrt22469-21grep09:30:580
2850421040,2chrt28505-21sleep12:35:510
2998221030,2chrt29983-21sleep08:44:530
930621000,3chrt9310-21irqrtprio12:01:190
114192990,2chrt11420-21sh08:06:400
245742960,2chrt24575-21cpu07:30:250
269502950,2sleep026951-21ssh09:38:490
269482910,2sleep026949-21cp11:35:150
266962860,2sleep026697-21ld10:36:160
97022800,1sleep09705-21latency_hist08:05:000
101582770,3chrt9864-21apt-get11:05:470
313222690,2sleep031323-21aten2.4_rfpower10:45:330
194582590,2chrt19451-21ssh12:19:550
55952530,2sleep05596-21chmod09:00:300
211782530,2chrt21160-21ssh12:22:190
14034904920,22cyclictest0-21swapper10:08:360
14034904919,23cyclictest0-21swapper11:12:350
14034904919,23cyclictest0-21swapper09:27:370
14034904918,22cyclictest0-21swapper11:43:360
14034904820,22cyclictest0-21swapper09:44:410
14034904819,22cyclictest0-21swapper12:33:490
14034904819,21cyclictest0-21swapper12:09:120
14034904816,24cyclictest0-21swapper10:27:290
178492470,2chrt17836-21ntpq07:16:120
14034904721,19cyclictest14383-21telnet12:10:500
14034904711,18cyclictest5637-21ssh11:55:180
1263624713,19sleep012648-21ntpq07:05:500
14034904620,19cyclictest0-21swapper10:58:540
14034904618,21cyclictest0-21swapper09:59:010
14034904616,15cyclictest0-21swapper11:04:100
14034904615,22cyclictest0-21swapper10:12:560
14034904610,10cyclictest0-21swapper11:33:240
1403490455,11cyclictest26037-21memory08:35:550
14034904519,19cyclictest25446-21snmpd10:00:550
14034904518,9cyclictest14541-21ssh09:16:180
14034904518,21cyclictest0-21swapper10:24:590
14034904517,21cyclictest0-21swapper11:19:070
14034904419,18cyclictest25446-21snmpd09:45:490
14034904417,20cyclictest0-21swapper12:28:490
14034904412,15cyclictest1859-21latency_hist07:50:060
193152430,2chrt19314-21modprobe07:20:270
14034904317,11cyclictest15002-21aten2.4-expect08:15:220
14034904313,22cyclictest0-21swapper11:23:010
1403490425,10cyclictest9101-21ntpq09:05:530
1403490424,11cyclictest14988-21irqstats07:10:470
14034904217,17cyclictest22811-21/usr/sbin/munin10:32:120
14034904216,18cyclictest26846-21/usr/sbin/munin07:35:100
14034904214,13cyclictest0-21swapper11:49:160
1403490419,17cyclictest29274-21sendmail-msp07:40:170
1403490415,18cyclictest18217-21rm09:22:480
1403490414,18cyclictest22696-21ssh11:27:170
1403490409,23cyclictest0-21swapper08:50:390
1403490407,26cyclictest4286-21users08:56:280
1403490405,18cyclictest25446-21snmpd08:10:130
1403490404,10cyclictest656-21ntp_states07:46:140
1403490404,10cyclictest6026-21ntp_states07:56:320
14034904016,16cyclictest30182-21/usr/sbin/munin08:45:350
1403490394,9cyclictest23628-21ntpq08:31:010
14034903918,14cyclictest0-21swapper08:25:230
14034903812,9cyclictest22865-21ntpq07:26:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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