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2024-04-16 - 12:10

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, 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: 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 rack2slot7s.osadl.org (updated Tue Apr 16, 2024 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1104257995949,7cyclictest1224941-21unixbench_singl22:40:351
1104256995228,13cyclictest77550irq/32-end021:30:240
1104256995228,13cyclictest77550irq/32-end021:30:240
1104257994934,12cyclictest1133214-21sshd20:35:241
110425899482,41cyclictest1184292-21ssh21:55:272
1104257994735,8cyclictest1161127-21unin-run21:30:021
1104256994534,8cyclictest1107567-21unin-run19:20:030
110425899444,31cyclictest1197502-21ssh22:10:242
1104256994416,22cyclictest1193010-21ssh22:05:240
1104256994334,5cyclictest77550irq/32-end023:40:300
1104256994334,5cyclictest77550irq/32-end023:40:300
1104256994332,6cyclictest77550irq/32-end023:45:270
1104256994231,8cyclictest77550irq/32-end023:25:270
1104256994218,19cyclictest1232995-21ssh22:50:230
1104257994132,6cyclictest1276586-21grep23:40:191
1104257994132,6cyclictest1276586-21grep23:40:191
1104256994133,5cyclictest1204213-21sshd22:18:240
1104256994017,16cyclictest77550irq/32-end021:45:310
110425799395,29cyclictest1219871-21ssh22:35:261
1104257993920,13cyclictest502-21in:imklog21:05:281
1104256993932,3cyclictest0-21swapper/023:15:250
1104256993923,8cyclictest77550irq/32-end000:30:280
1104258993827,8cyclictest1246401-21needreboot23:05:212
1104258993827,8cyclictest1202487-21unixbench_multi22:15:342
110425799385,29cyclictest1175484-21ssh21:45:261
110425799383,30cyclictest1105374-21sshd19:10:241
1104257993830,5cyclictest1238121-21unixbench_singl22:55:331
1104256993828,6cyclictest1104262-21true19:10:030
1104256993828,6cyclictest1104262-21true19:10:030
1104256993816,18cyclictest0-21swapper/023:10:210
110425899373,25cyclictest1224297-21ssh22:40:262
1104258993729,5cyclictest1298237-21gltestperf00:05:202
1104258993729,5cyclictest1275795-21idleruntime-cro23:40:022
110425799379,7cyclictest171rcu_preempt22:20:271
110425799374,27cyclictest1210947-21ssh22:25:211
110425799373,28cyclictest1202026-21ssh22:15:291
1104257993727,6cyclictest284-21systemd-journal23:55:251
110425699374,13cyclictest1171179-21ssh21:40:280
1104256993722,10cyclictest1153676-21sh21:20:260
110425799366,7cyclictest171rcu_preempt23:05:251
110425799363,7cyclictest171rcu_preempt22:00:251
110425799363,24cyclictest1241946-21ssh23:00:221
1104257993628,5cyclictest1116301-21fschecks_time19:45:121
1104257993625,8cyclictest1114122-21sh19:40:031
1104257993623,10cyclictest1149844-21unixbench_singl21:15:341
1104257993622,11cyclictest1288971-21idleruntime-cro23:55:021
1104256993619,12cyclictest1165939-21aten2.4-expect21:35:170
1104256993615,14cyclictest151ktimers/022:10:240
110425899356,25cyclictest887-21ntpd20:20:252
1104258993527,5cyclictest1324502-21sendmail-msp00:40:022
1104258993527,5cyclictest1312979-21sh00:25:022
1104258993527,5cyclictest1122937-21gltestperf20:05:152
110425899352,27cyclictest1259537-21sshd23:20:242
1104257993527,5cyclictest1316759-21systemd-run00:30:031
1104257993527,5cyclictest1180458-21grep21:50:361
1104257993527,5cyclictest1127233-21sendmail20:20:031
1104257993526,6cyclictest1263328-21fschecks_time23:25:181
1104257993525,7cyclictest1309071-21sendmail00:20:031
1104257993525,7cyclictest1309071-21sendmail00:20:031
110425799352,27cyclictest1268237-21ssh23:30:281
1104257993515,15cyclictest271ktimers/121:55:321
1104256993527,5cyclictest1294309-21gltestperf00:00:200
1104256993527,5cyclictest1125503-21unixbench_singl20:10:350
1104256993527,5cyclictest1115766-21unin-run19:45:020
1104256993526,6cyclictest1231805-21unin-run22:50:030
1104256993526,6cyclictest1111374-21fschecks_time19:30:110
1104256993524,8cyclictest1117381-21munin-plugin-st19:50:020
1104256993519,12cyclictest151ktimers/021:05:280
1104258993427,5cyclictest1320658-21grep00:35:042
1104258993426,3cyclictest0-21swapper/222:05:282
1104258993425,7cyclictest1268109-21needreboot23:30:242
1104258993425,6cyclictest1188291-21cut22:00:192
110425899342,28cyclictest1211007-21rm22:25:232
110425799347,19cyclictest1281469-21ssh23:45:261
1104257993424,7cyclictest1321908-21ssh00:35:271
1104257993424,7cyclictest1134367-21fschecks_time20:40:161
110425799342,26cyclictest1215530-21ssh22:30:251
110425799341,24cyclictest1166845-21ssh21:35:311
110425699346,21cyclictest1179-21munin-node23:55:280
1104256993426,5cyclictest1321419-21gltestperf00:35:190
1104256993426,4cyclictest872-21mta-sts-daemon21:25:260
1104256993424,7cyclictest1209912-21latency_hist22:25:040
1104256993423,8cyclictest1267988-21latency23:30:220
110425699342,28cyclictest1224328-21ssh22:40:270
1104258993325,5cyclictest1255768-21grep23:15:342
1104258993324,6cyclictest1206027-21gltestperf22:20:192
1104258993323,7cyclictest1285795-21ntp_kernel_err23:50:242
1104258993322,8cyclictest1174657-21aten_r2power_fr21:45:152
110425899332,24cyclictest1263893-21ssh23:25:262
1104258993321,9cyclictest1113481-21ntp_kernel_pll_19:35:222
1104258993321,7cyclictest1294684-21ntpq00:00:262
110425799335,7cyclictest171rcu_preempt22:05:261
1104257993320,10cyclictest1232978-21awk22:50:231
1104256993326,4cyclictest1148734-21fschecks_time21:15:180
1104256993324,7cyclictest1314506-21xargs00:25:320
1104256993310,18cyclictest1272574-21ssh23:35:230
110425899325,15cyclictest1302417-21ssh00:10:282
1104258993225,4cyclictest1119161-21latency_hist19:55:042
1104258993219,9cyclictest1106991-21sshd19:15:232
110425799328,18cyclictest435-21mta-sts-daemon21:30:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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