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2022-10-02 - 01:56

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #5

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 
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x86 Intel Core i3-8145UE @2200 MHz, Linux 5.10.27-rt36 (Profile)

Latency plot of shadow in rack #e, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 alll highest latencies:
System rackeslot5s.osadl.org (updated Sat Oct 01, 2022 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10036993231,1cyclictest52950irq/127-eno111:52:560
1003799300,29cyclictest8820-21modprobe12:05:381
1003699300,30cyclictest30070-21diskmemload10:43:010
1003699300,29cyclictest8484-21diskstats12:05:360
1003699300,29cyclictest30070-21diskmemload10:27:550
1003699300,29cyclictest0-21swapper/010:13:400
1003699300,1cyclictest449-21avahi-daemon09:45:000
10037992929,0cyclictest22-21ksoftirqd/110:05:021
10037992928,1cyclictest22-21ksoftirqd/112:33:031
10037992928,1cyclictest20218-21gdbus10:20:001
10037992928,0cyclictest23307-21apt-get07:40:331
10037992927,2cyclictest19724-21sed09:30:431
1003799290,29cyclictest30070-21diskmemload11:15:411
1003799290,28cyclictest30070-21diskmemload12:10:221
1003799290,28cyclictest271-21systemd-journal08:20:001
1003799290,28cyclictest16684-21apt-get07:25:331
1003799290,28cyclictest0-21swapper/110:27:391
1003799290,1cyclictest450-21dbus-daemon08:15:001
10036992929,0cyclictest30070-21diskmemload10:54:530
10036992928,1cyclictest23599-21irqstats12:20:380
1003699290,29cyclictest23337-21ssh10:08:250
10037992828,0cyclictest0-21swapper/112:39:441
10037992828,0cyclictest0-21swapper/111:30:011
10037992828,0cyclictest0-21swapper/110:55:191
10037992828,0cyclictest0-21swapper/110:35:011
10037992828,0cyclictest0-21swapper/110:20:271
10037992828,0cyclictest0-21swapper/110:12:461
10037992828,0cyclictest0-21swapper/109:52:271
10037992828,0cyclictest0-21swapper/109:45:321
10037992828,0cyclictest0-21swapper/109:44:391
10037992828,0cyclictest0-21swapper/109:25:051
10037992828,0cyclictest0-21swapper/109:24:041
10037992827,1cyclictest450-21dbus-daemon11:30:001
10037992827,1cyclictest30070-21diskmemload09:16:311
10037992827,1cyclictest0-21swapper/111:07:551
1003799280,28cyclictest30070-21diskmemload11:43:441
1003799280,28cyclictest30070-21diskmemload11:35:211
1003799280,28cyclictest30070-21diskmemload09:57:501
1003799280,28cyclictest0-21swapper/112:25:391
1003799280,28cyclictest0-21swapper/112:20:191
1003799280,28cyclictest0-21swapper/112:18:171
1003799280,28cyclictest0-21swapper/111:45:051
1003799280,28cyclictest0-21swapper/111:22:071
1003799280,28cyclictest0-21swapper/111:10:021
1003799280,28cyclictest0-21swapper/110:45:481
1003799280,0cyclictest0-21swapper/111:50:421
1003799280,0cyclictest0-21swapper/111:01:401
1003799280,0cyclictest0-21swapper/110:54:441
1003799280,0cyclictest0-21swapper/110:41:101
1003799280,0cyclictest0-21swapper/110:33:451
1003799280,0cyclictest0-21swapper/109:10:061
10036992828,0cyclictest30070-21diskmemload12:33:080
10036992828,0cyclictest0-21swapper/012:00:050
10036992828,0cyclictest0-21swapper/011:44:220
10036992828,0cyclictest0-21swapper/011:25:390
10036992827,1cyclictest28886-21wc09:05:370
1003699280,28cyclictest6241-21ssh09:17:360
1003699280,28cyclictest30070-21diskmemload12:18:190
1003699280,28cyclictest30070-21diskmemload11:45:180
1003699280,28cyclictest30070-21diskmemload11:37:170
1003699280,28cyclictest30070-21diskmemload11:31:010
1003699280,28cyclictest30070-21diskmemload11:23:240
1003699280,28cyclictest30070-21diskmemload11:07:490
1003699280,28cyclictest30070-21diskmemload11:01:370
1003699280,28cyclictest30070-21diskmemload09:23:020
1003699280,28cyclictest0-21swapper/012:26:240
1003699280,28cyclictest0-21swapper/011:58:300
1003699280,28cyclictest0-21swapper/011:10:160
1003699280,28cyclictest0-21swapper/010:56:250
1003699280,28cyclictest0-21swapper/010:15:030
1003699280,28cyclictest0-21swapper/009:52:320
1003699280,28cyclictest0-21swapper/009:46:060
1003699280,28cyclictest0-21swapper/009:31:380
1003699280,1cyclictest30070-21diskmemload09:58:260
1003699280,0cyclictest30070-21diskmemload12:11:140
1003699280,0cyclictest30070-21diskmemload09:38:320
1003699280,0cyclictest0-21swapper/011:16:350
1003699280,0cyclictest0-21swapper/010:35:050
1003699280,0cyclictest0-21swapper/010:33:090
1003699280,0cyclictest0-21swapper/010:00:210
1003699280,0cyclictest0-21swapper/009:25:280
1003699280,0cyclictest0-21swapper/009:10:480
10037992727,0cyclictest0-21swapper/110:00:051
10036992727,0cyclictest141rcuc/009:05:000
10036992727,0cyclictest0-21swapper/012:35:180
1003699270,0cyclictest11086-21ntp_states07:10:380
10037992626,0cyclictest31902-21apt-get08:00:311
10036992625,1cyclictest29518-21munin-run07:55:000
10037992525,0cyclictest14532-21apt-get08:35:341
10036992525,0cyclictest13237-21ntpq08:30:380
10037992422,1cyclictest20801-21cron08:50:001
10037992323,0cyclictest14315-21perf08:35:001
10036992323,0cyclictest17512-21ntpq07:25:390
10036992323,0cyclictest0-21swapper/008:00:310
10036992323,0cyclictest0-21swapper/007:40:420
10037992020,0cyclictest0-21swapper/107:45:331
10036991919,0cyclictest0-21swapper/008:15:330
10037991816,1cyclictest31672-21munin-run08:00:001
10036991816,2cyclictest23039-21cron07:39:590
10037991616,0cyclictest25695-21apt-get09:00:311
10037991616,0cyclictest0-21swapper/107:10:371
10037991515,0cyclictest23086-21idleruntime-cro07:40:001
10037991515,0cyclictest221ksoftirqd/109:00:001
10037991515,0cyclictest0-21swapper/108:20:321
10037991514,1cyclictest2821-21sensors_temp08:05:421
10037991513,1cyclictest17345-21irqstats08:40:341
10036991515,0cyclictest0-21swapper/008:35:340
10036991513,1cyclictest26314-21ntp_states07:45:400
1003699150,1cyclictest9586-21chrt08:20:450
1003699150,14cyclictest10513-21diskstats08:25:340
1003799140,14cyclictest0-21swapper/107:24:191
1003699140,14cyclictest1622-21apt-get08:05:330
10037991313,0cyclictest0-21swapper/109:05:261
10037991313,0cyclictest0-21swapper/108:51:351
10037991313,0cyclictest0-21swapper/108:25:041
10037991313,0cyclictest0-21swapper/107:30:031
1003799130,13cyclictest0-21swapper/107:15:511
10036991313,0cyclictest0-21swapper/008:52:360
10036991313,0cyclictest0-21swapper/007:30:050
1003699130,13cyclictest0-21swapper/008:55:430
1003699130,13cyclictest0-21swapper/007:55:050
1003699130,13cyclictest0-21swapper/007:21:420
1003699130,13cyclictest0-21swapper/007:15:080
1003699130,0cyclictest0-21swapper/008:45:500
1003699130,0cyclictest0-21swapper/008:40:190
1003699130,0cyclictest0-21swapper/008:10:330
10037991212,0cyclictest0-21swapper/107:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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