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2025-05-09 - 05:48

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Fri May 09, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2303121210,0sleep00-21swapper/021:38:250
10390211794,18sleep00-21swapper/019:07:550
10482211597,13sleep30-21swapper/319:09:073
10202211093,12sleep20-21swapper/219:05:292
10401210796,6sleep10-21swapper/119:08:041
3033421040,0sleep20-21swapper/200:29:582
161232780,0sleep20-21swapper/222:04:232
270092610,0sleep00-21swapper/023:53:130
1058099220,20cyclictest0-21swapper/323:15:103
1058099220,20cyclictest0-21swapper/321:25:173
1057899220,18cyclictest0-21swapper/122:05:131
1058099210,2cyclictest0-21swapper/323:10:133
141142200,1sleep30-21swapper/320:35:233
1057799200,2cyclictest0-21swapper/019:50:110
1057799200,18cyclictest0-21swapper/023:15:100
303902190,0sleep00-21swapper/023:24:140
300532190,0sleep30-21swapper/321:12:413
10579991916,2cyclictest14810-21kworker/u8:122:06:042
1057799190,2cyclictest31311-21rm23:25:160
1057799190,2cyclictest0-21swapper/023:55:120
10580991813,3cyclictest29000-21ssh22:50:123
1058099170,15cyclictest0-21swapper/322:00:133
1058099161,13cyclictest31335-21ssh23:57:193
10578991611,3cyclictest0-21swapper/121:11:581
1058099154,3cyclictest23570-21ssh22:10:453
1058099151,12cyclictest4190-21apt-get21:20:063
1058099151,12cyclictest3541-21ssh22:24:313
1058099151,12cyclictest21414-21ssh22:41:283
10580991510,3cyclictest0-21swapper/323:37:273
1057999151,3cyclictest0-21swapper/221:31:242
10579991512,2cyclictest9758-21kworker/u8:223:22:052
10579991512,2cyclictest2523-21kworker/u8:023:53:032
1057999151,12cyclictest25896-21ssh23:19:532
1057999151,12cyclictest0-21swapper/222:42:582
1057999150,2cyclictest0-21swapper/223:35:152
1057999150,2cyclictest0-21swapper/200:02:052
10578991510,3cyclictest21066-21sleep23:19:551
1057899150,3cyclictest0-21swapper/123:25:231
1057899150,2cyclictest0-21swapper/123:14:261
1057899150,13cyclictest0-21swapper/122:55:171
1057899150,13cyclictest0-21swapper/122:41:031
1057899150,13cyclictest0-21swapper/122:24:481
244712140,3sleep30-21swapper/321:40:133
1058099142,7cyclictest26648-21diskmemload21:45:003
1058099142,7cyclictest0-21swapper/321:35:003
1058099142,7cyclictest0-21swapper/321:04:593
1058099141,11cyclictest32350-21df_inode21:15:133
10580991410,2cyclictest0-21swapper/323:43:173
1058099140,3cyclictest28311-21rm22:49:293
1058099140,2cyclictest0-21swapper/300:23:313
1058099140,12cyclictest19622-21ssh23:45:193
1058099140,12cyclictest0-21swapper/322:34:213
1058099140,12cyclictest0-21swapper/322:15:003
1058099140,12cyclictest0-21swapper/320:55:163
1058099140,12cyclictest0-21swapper/300:03:113
10579991411,2cyclictest11806-21ssh22:31:542
1057999140,3cyclictest36422sleep222:24:402
1057999140,3cyclictest0-21swapper/222:47:042
1057999140,2cyclictest26648-21diskmemload00:11:352
1057999140,2cyclictest0-21swapper/223:06:342
1057999140,13cyclictest0-21swapper/223:34:242
1057999140,13cyclictest0-21swapper/223:25:082
1057999140,13cyclictest0-21swapper/221:16:122
1057999140,13cyclictest0-21swapper/200:06:442
1057999140,12cyclictest0-21swapper/222:10:192
1057999140,12cyclictest0-21swapper/219:25:012
1057899149,3cyclictest29681-21sh23:23:091
1057899149,3cyclictest0-21swapper/120:55:181
1057899144,8cyclictest31935-21munin-node1
1057899142,11cyclictest0-21swapper/100:20:121
10578991410,2cyclictest0-21swapper/122:45:181
1057899140,3cyclictest6512-21ssh00:05:141
1057899140,3cyclictest12636-21cut23:05:201
1057899140,2cyclictest0-21swapper/120:40:171
1057899140,12cyclictest26648-21diskmemload00:25:041
1057899140,12cyclictest0-21swapper/123:39:581
1057899140,12cyclictest0-21swapper/123:34:141
1057899140,12cyclictest0-21swapper/119:35:261
1057799140,2cyclictest0-21swapper/022:00:000
1057799140,12cyclictest0-21swapper/021:15:150
145632130,1sleep00-21swapper/022:02:030
1058099138,3cyclictest15185-21df_abs20:40:133
1058099132,6cyclictest0-21swapper/300:35:003
10580991310,2cyclictest0-21swapper/323:52:003
10580991310,2cyclictest0-21swapper/323:21:393
10580991310,2cyclictest0-21swapper/323:00:483
10580991310,2cyclictest0-21swapper/322:37:123
10580991310,2cyclictest0-21swapper/321:57:093
10580991310,2cyclictest0-21swapper/300:35:383
10580991310,2cyclictest0-21swapper/300:15:213
10580991310,2cyclictest0-21swapper/300:14:013
1058099130,2cyclictest0-21swapper/320:20:093
1058099130,2cyclictest0-21swapper/300:07:013
1058099130,12cyclictest0-21swapper/322:55:313
1058099130,12cyclictest0-21swapper/322:28:383
1058099130,11cyclictest26648-21diskmemload23:25:273
1058099130,11cyclictest19478-21ssh21:35:093
1057999138,3cyclictest29231-21ssh22:16:512
1057999131,10cyclictest0-21swapper/222:27:452
10579991310,2cyclictest9758-21kworker/u8:223:03:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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