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2024-11-24 - 07:25

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #6

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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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 100 highest latencies:
System rackeslot6s.osadl.org (updated Sun Nov 24, 2024 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23119619912384,20cyclictest131ktimers/020:30:010
23119619912384,20cyclictest131ktimers/020:30:010
231196199120113,5cyclictest131ktimers/020:30:000
2311965999713,57cyclictest0-21swapper/223:35:012
2311961998658,19cyclictest131ktimers/022:45:000
2311964997419,18cyclictest0-21swapper/120:40:011
2311961997332,27cyclictest15-21rcuc/022:15:020
2311961997332,27cyclictest15-21rcuc/022:15:010
2311965996911,22cyclictest0-21swapper/200:00:012
2311961996845,14cyclictest131ktimers/023:55:140
231196199683,27cyclictest0-21swapper/019:10:000
2311961996737,25cyclictest0-21swapper/020:20:010
231196199671,56cyclictest0-21swapper/023:15:110
231196499669,26cyclictest0-21swapper/123:35:011
2311965996537,15cyclictest0-21swapper/219:35:132
2311965996444,13cyclictest0-21swapper/223:00:122
2311965996349,10cyclictest2320101-21munin-node19:55:132
2311965996313,30cyclictest0-21swapper/223:30:022
231196499620,33cyclictest2353423-21/usr/sbin/munin23:10:191
2311965996036,14cyclictest0-21swapper/222:00:172
2311964996037,11cyclictest0-21swapper/119:55:151
2311965995935,17cyclictest0-21swapper/223:50:162
2311965995834,12cyclictest0-21swapper/219:15:122
231196199581,53cyclictest0-21swapper/022:15:120
231196599579,21cyclictest0-21swapper/200:25:192
2311965995733,13cyclictest0-21swapper/222:40:142
2311964995747,5cyclictest231ktimers/120:40:201
2311964995740,12cyclictest0-21swapper/120:30:111
2311964995740,12cyclictest0-21swapper/120:30:111
2311964995736,14cyclictest2351101-21/usr/sbin/munin22:55:231
2311964995736,11cyclictest2337533-21/usr/sbin/munin21:35:221
2311964995733,11cyclictest0-21swapper/100:00:141
231196599562,31cyclictest0-21swapper/222:00:022
2311964995637,11cyclictest2335816-21/usr/sbin/munin21:25:251
2311964995626,24cyclictest1666-21snmpd22:32:261
2311965995539,10cyclictest2342981-21sshd22:07:552
2311965995537,14cyclictest0-21swapper/223:05:112
2311965995537,12cyclictest0-21swapper/220:40:142
2311965995536,15cyclictest0-21swapper/220:05:112
2311965995534,13cyclictest2314219-21/usr/sbin/munin19:20:192
2311965995526,21cyclictest2351041-21tune2fs22:55:202
2311964995540,9cyclictest2321582-21sshd20:02:291
2311964995537,9cyclictest2331336-21/usr/sbin/munin21:00:151
2311964995536,13cyclictest0-21swapper/100:20:151
2311964995536,12cyclictest2345321-21/usr/sbin/munin22:20:281
2311964995536,12cyclictest2316313-21grep19:30:281
2311964995536,11cyclictest2352986-21/usr/sbin/munin23:05:281
2311964995536,11cyclictest2328821-21/usr/sbin/munin20:45:201
2311965995445,6cyclictest2340128-21/usr/sbin/munin21:50:302
2311965995434,12cyclictest2318667-21cut19:45:272
2311964995439,8cyclictest2350118-21diskstats22:50:221
2311964995438,10cyclictest2358505-21apt-get23:40:141
2311964995437,9cyclictest2316931-21/usr/sbin/munin19:35:241
2311964995437,14cyclictest0-21swapper/122:00:151
2311964995437,11cyclictest0-21swapper/120:50:141
2311964995432,14cyclictest2364401-21/usr/sbin/munin00:15:261
2311964995432,14cyclictest2364401-21/usr/sbin/munin00:15:261
2311964995432,11cyclictest0-21swapper/121:45:131
2311961995442,9cyclictest2334454-21munin-plugin-st21:20:000
2311965995336,10cyclictest2317789-21/usr/sbin/munin19:40:232
231196599532,23cyclictest0-21swapper/222:35:012
2311964995337,9cyclictest2336761-21/usr/sbin/munin21:30:281
2311964995337,8cyclictest2363813-21/usr/sbin/munin00:10:241
2311964995336,9cyclictest2360768-21grep23:50:321
2311964995334,12cyclictest2348280-21apt-get22:40:161
2311964995332,14cyclictest2341267-21/usr/sbin/munin21:55:291
2311965995239,10cyclictest2324196-21sshd20:17:292
2311965995233,12cyclictest2333419-21/usr/sbin/munin21:10:282
2311965995233,11cyclictest0-21swapper/221:25:112
2311965995232,12cyclictest2336791-21/usr/sbin/munin21:30:282
2311965995231,12cyclictest0-21swapper/221:20:132
2311965995215,30cyclictest2350045-21/usr/sbin/munin22:50:282
2311964995243,6cyclictest2330504-21/usr/sbin/munin20:55:201
2311964995242,6cyclictest2332964-21apt-get21:10:151
2311964995241,4cyclictest2323573-21apt-get20:15:151
2311964995239,6cyclictest2347497-21/usr/sbin/munin22:35:221
2311964995237,9cyclictest2361105-21/usr/sbin/munin23:55:201
2311964995236,9cyclictest2323241-21/usr/sbin/munin20:10:301
2311964995236,8cyclictest2343251-21/usr/sbin/munin22:10:181
2311964995236,8cyclictest2343251-21/usr/sbin/munin22:10:181
2311964995235,9cyclictest2325440-21/usr/sbin/munin20:25:191
2311964995235,11cyclictest2349725-21/usr/sbin/munin22:45:301
2311964995235,11cyclictest2334868-21/usr/sbin/munin21:20:221
2311964995233,13cyclictest2357981-21/usr/sbin/munin23:35:271
2311964995233,13cyclictest2357981-21/usr/sbin/munin23:35:271
2311964995233,12cyclictest2318459-21/usr/sbin/munin19:45:211
2311964995233,12cyclictest2317726-21/usr/sbin/munin19:40:201
2311964995233,12cyclictest2315080-21/usr/sbin/munin19:25:191
2311961995227,15cyclictest15-21rcuc/019:45:010
2311965995139,9cyclictest2368069-21/usr/sbin/munin00:35:232
2311965995136,9cyclictest2362392-21/usr/sbin/munin00:00:292
2311965995135,9cyclictest2347770-21/usr/sbin/munin22:35:292
2311965995135,12cyclictest0-21swapper/200:10:162
2311965995134,9cyclictest2316102-21/usr/sbin/munin19:30:262
2311965995133,11cyclictest0-21swapper/222:25:142
2311965995131,14cyclictest2343571-21/usr/sbin/munin22:10:282
2311965995131,14cyclictest2343571-21/usr/sbin/munin22:10:272
2311965995130,12cyclictest0-21swapper/219:10:102
2311965995130,12cyclictest0-21swapper/219:10:102
2311965995129,14cyclictest2315283-21phc2sys19:25:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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