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2025-05-09 - 06:03

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #8

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot8s (updated Fri May 09, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142046699170169,1cyclictest0-21swapper/420:39:084
14193072148136,7sleep40-21swapper/419:05:184
14199642130116,9sleep60-21swapper/619:08:256
14197702127113,9sleep50-21swapper/519:05:355
14198642125110,9sleep70-21swapper/719:06:587
14197862125110,10sleep30-21swapper/319:05:503
14198212124109,10sleep20-21swapper/219:06:222
14200152121106,10sleep10-21swapper/119:09:091
14197742120106,9sleep00-21swapper/019:05:380
1420449991040,100cyclictest0-21swapper/123:10:151
14204769910299,2cyclictest573-21snmpd22:35:186
14204619910299,3cyclictest573-21snmpd19:19:543
14204619910299,3cyclictest573-21snmpd00:30:353
1420461991020,99cyclictest0-21swapper/323:38:243
1420455991020,100cyclictest0-21swapper/220:08:582
14204499910299,3cyclictest573-21snmpd22:33:301
1420449991020,0cyclictest0-21swapper/100:27:021
14204459910299,3cyclictest573-21snmpd19:23:540
14204459910299,2cyclictest573-21snmpd23:22:050
14204769910199,2cyclictest573-21snmpd22:52:266
142047699101100,1cyclictest573-21snmpd23:09:036
142047699101100,1cyclictest573-21snmpd23:09:026
1420476991010,100cyclictest0-21swapper/622:14:006
14204719910199,2cyclictest573-21snmpd23:57:155
14204719910198,3cyclictest573-21snmpd20:23:055
14204719910198,3cyclictest573-21snmpd20:12:105
14204719910198,3cyclictest573-21snmpd00:34:115
1420471991010,99cyclictest0-21swapper/519:18:215
1420471991010,101cyclictest0-21swapper/521:07:365
1420471991010,100cyclictest0-21swapper/521:15:135
1420471991010,0cyclictest0-21swapper/523:30:515
14204669910199,1cyclictest573-21snmpd23:51:464
1420466991010,100cyclictest0-21swapper/420:40:114
1420466991010,100cyclictest0-21swapper/419:11:244
14204619910199,2cyclictest573-21snmpd23:47:523
14204619910199,2cyclictest573-21snmpd23:03:053
14204619910199,2cyclictest573-21snmpd23:03:043
14204619910199,2cyclictest573-21snmpd22:43:013
14204619910199,2cyclictest573-21snmpd22:02:123
14204559910199,1cyclictest573-21snmpd22:30:272
1420455991010,101cyclictest0-21swapper/200:05:382
1420455991010,0cyclictest0-21swapper/223:38:242
1420455991010,0cyclictest0-21swapper/223:08:082
1420455991010,0cyclictest0-21swapper/223:08:082
1420455991010,0cyclictest0-21swapper/222:44:532
14204499910199,2cyclictest573-21snmpd21:25:591
14204499910199,2cyclictest573-21snmpd19:44:151
14204499910198,3cyclictest573-21snmpd20:28:171
14204499910198,3cyclictest1427394-21cat19:20:111
1420449991010,0cyclictest0-21swapper/119:35:271
14204459910199,2cyclictest573-21snmpd22:11:230
14204459910198,3cyclictest573-21snmpd23:34:540
14204459910198,3cyclictest573-21snmpd00:18:430
1420445991010,99cyclictest0-21swapper/023:55:300
14204819910099,1cyclictest0-21swapper/719:18:277
1420481991001,99cyclictest0-21swapper/700:28:117
1420481991000,99cyclictest0-21swapper/723:47:097
1420481991000,99cyclictest0-21swapper/723:11:307
1420481991000,99cyclictest0-21swapper/721:39:497
1420481991000,99cyclictest0-21swapper/700:17:017
1420481991000,100cyclictest0-21swapper/700:37:207
14204769910099,1cyclictest573-21snmpd23:16:386
14204769910099,1cyclictest573-21snmpd00:12:286
14204769910099,1cyclictest1427407-21cat19:20:116
1420476991000,99cyclictest0-21swapper/623:29:336
1420476991000,99cyclictest0-21swapper/621:59:086
1420476991000,99cyclictest0-21swapper/621:52:506
1420476991000,99cyclictest0-21swapper/620:30:026
1420476991000,99cyclictest0-21swapper/620:25:126
1420476991000,99cyclictest0-21swapper/620:10:046
1420476991000,100cyclictest0-21swapper/619:35:176
14204719910099,1cyclictest573-21snmpd00:35:385
14204719910099,1cyclictest573-21snmpd00:28:415
142047199100100,0cyclictest573-21snmpd20:07:195
1420471991000,99cyclictest0-21swapper/520:17:255
1420471991000,99cyclictest0-21swapper/500:23:375
1420471991000,100cyclictest0-21swapper/521:01:185
14204669910099,1cyclictest573-21snmpd22:20:284
14204669910097,3cyclictest1440026-21cat19:45:154
1420466991000,99cyclictest0-21swapper/422:56:464
1420466991000,99cyclictest0-21swapper/400:15:534
1420466991000,100cyclictest0-21swapper/423:25:124
1420466991000,100cyclictest0-21swapper/421:35:164
14204619910099,1cyclictest573-21snmpd23:25:203
14204619910099,1cyclictest573-21snmpd23:10:443
14204619910099,1cyclictest573-21snmpd22:55:103
14204619910099,1cyclictest573-21snmpd21:56:573
14204619910099,1cyclictest573-21snmpd20:31:113
14204619910097,3cyclictest573-21snmpd20:53:183
14204619910096,3cyclictest573-21snmpd00:28:383
14204559910099,1cyclictest573-21snmpd23:15:412
14204559910099,1cyclictest573-21snmpd21:10:272
14204559910099,1cyclictest573-21snmpd20:48:142
14204559910098,2cyclictest573-21snmpd23:41:552
14204559910098,2cyclictest573-21snmpd22:15:462
1420455991000,99cyclictest0-21swapper/222:26:392
1420455991000,98cyclictest0-21swapper/220:19:202
14204499910099,1cyclictest573-21snmpd23:01:501
14204499910099,1cyclictest573-21snmpd23:01:491
14204499910099,1cyclictest573-21snmpd22:26:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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