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2025-04-22 - 18:59

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #0

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 r0s0s.osadl.org (updated Tue Apr 22, 2025 12:46:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21090522331320,7sleep40-21swapper/407:05:334
21097052294275,12sleep70-21swapper/707:09:067
21097722293254,30sleep50-21swapper/507:09:595
21097042293273,13sleep60-21swapper/607:09:056
21097082289256,25sleep10-21swapper/107:09:081
21089542289260,21sleep30-21swapper/307:05:323
21097312285266,12sleep20-21swapper/207:09:242
21078442284265,12sleep00-21swapper/007:05:130
2110248995452,2cyclictest0-21swapper/512:32:235
2110248995352,0cyclictest0-21swapper/507:29:515
2110248995351,2cyclictest671864-21systemd-journal07:55:515
2110248995351,2cyclictest0-21swapper/509:20:075
2110248995251,0cyclictest0-21swapper/508:45:275
2110248995251,0cyclictest0-21swapper/508:42:345
2110248995250,2cyclictest0-21swapper/510:28:505
2110248995250,0cyclictest0-21swapper/511:11:035
2110248995248,4cyclictest2122423-21sshd07:34:185
2110248995248,1cyclictest0-21swapper/509:41:155
211024899522,50cyclictest0-21swapper/507:20:145
211024899520,50cyclictest0-21swapper/509:59:065
2110248995150,1cyclictest0-21swapper/510:06:555
2110248995150,0cyclictest0-21swapper/508:27:065
2110248995149,2cyclictest671864-21systemd-journal12:19:305
2110248995149,2cyclictest61-21ksoftirqd/507:18:315
2110248995149,2cyclictest0-21swapper/510:49:595
2110248995149,2cyclictest0-21swapper/507:53:075
2110248995149,0cyclictest0-21swapper/510:01:185
2110248995148,3cyclictest61-21ksoftirqd/512:14:265
2110248995148,3cyclictest61-21ksoftirqd/509:17:225
2110248995148,3cyclictest61-21ksoftirqd/507:36:475
211024899510,51cyclictest0-21swapper/510:51:585
211024899510,51cyclictest0-21swapper/508:35:275
2110248995048,2cyclictest0-21swapper/512:28:185
2110248995048,0cyclictest61-21ksoftirqd/511:07:105
2110248995048,0cyclictest0-21swapper/511:31:585
2110248995047,1cyclictest0-21swapper/510:56:515
2110248995029,21cyclictest0-21swapper/511:54:105
2110248995029,21cyclictest0-21swapper/509:05:345
2110248995028,20cyclictest2191303-21kworker/u16:0+events_unbound10:14:505
2110248995027,21cyclictest0-21swapper/508:17:035
2110248995027,21cyclictest0-21swapper/508:17:025
2110248995026,22cyclictest0-21swapper/510:15:515
211024899502,48cyclictest0-21swapper/507:41:035
211024899500,50cyclictest0-21swapper/512:35:145
211024899500,50cyclictest0-21swapper/511:15:505
211024899500,50cyclictest0-21swapper/508:24:555
211024899500,49cyclictest0-21swapper/510:20:075
211024899500,29cyclictest0-21swapper/511:46:515
2110248994948,0cyclictest0-21swapper/509:27:105
2110248994947,2cyclictest671864-21systemd-journal12:04:025
2110248994947,2cyclictest671864-21systemd-journal08:58:555
2110248994947,2cyclictest61-21ksoftirqd/509:01:355
2110248994947,2cyclictest0-21swapper/511:44:225
2110248994947,2cyclictest0-21swapper/508:33:115
2110248994947,2cyclictest0-21swapper/507:45:385
2110248994925,24cyclictest0-21swapper/512:05:075
2110248994925,22cyclictest0-21swapper/509:33:035
2110248994925,22cyclictest0-21swapper/509:11:035
211024899490,49cyclictest0-21swapper/511:58:475
211024899490,49cyclictest0-21swapper/511:58:465
211024899490,49cyclictest0-21swapper/511:21:185
211024899490,49cyclictest0-21swapper/511:00:115
211024899490,49cyclictest0-21swapper/510:38:145
211024899490,47cyclictest0-21swapper/509:54:185
211024899490,47cyclictest0-21swapper/508:07:115
211024899490,46cyclictest171rcu_preempt08:12:475
211024899490,46cyclictest171rcu_preempt08:12:465
211024899490,28cyclictest0-21swapper/511:35:155
2110248994827,21cyclictest61-21ksoftirqd/512:22:195
211024899480,48cyclictest0-21swapper/511:27:515
211024899480,48cyclictest0-21swapper/510:30:515
211024899480,48cyclictest0-21swapper/509:45:115
211024899480,48cyclictest0-21swapper/508:00:425
211024899480,46cyclictest0-21swapper/510:43:305
211024899480,46cyclictest0-21swapper/508:51:025
211024899480,26cyclictest0-21swapper/507:11:075
211024899470,26cyclictest0-21swapper/509:36:425
211024599350,1cyclictest0-21swapper/211:30:072
211024499340,31cyclictest0-21swapper/111:27:161
2110250993330,2cyclictest833-21snmpd12:37:127
2110250993330,2cyclictest2216121-21cat11:10:117
2110247993330,2cyclictest833-21snmpd09:35:034
2110246993330,3cyclictest833-21snmpd09:36:223
2110246993330,2cyclictest833-21snmpd08:57:533
211024699330,30cyclictest0-21swapper/311:01:043
2110245993330,2cyclictest2200503-21cat10:30:112
211024599330,31cyclictest0-21swapper/212:24:192
2110243993330,2cyclictest833-21snmpd10:12:420
2110243993329,3cyclictest833-21snmpd07:37:080
2110250993230,2cyclictest833-21snmpd09:45:527
2110250993230,1cyclictest833-21snmpd11:16:437
2110250993229,2cyclictest2228888-21cat11:40:157
2110250993229,2cyclictest2166908-21ntpq09:05:247
211025099320,31cyclictest0-21swapper/710:47:487
211025099320,31cyclictest0-21swapper/710:10:117
211025099320,31cyclictest0-21swapper/708:37:557
2110249993230,2cyclictest833-21snmpd11:37:236
2110249993230,2cyclictest833-21snmpd08:08:286
2110249993230,2cyclictest833-21snmpd07:19:566
2110249993229,2cyclictest833-21snmpd10:46:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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