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2024-03-03 - 20:47

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, 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.
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 rack7slot7s.osadl.org (updated Sun Mar 03, 2024 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2708923428,2sleep30-21swapper/307:08:393
2506123228,2sleep10-21swapper/107:05:081
2729699303,7cyclictest502-21rs:main1
2729699301,2cyclictest558-21lldpd10:00:011
2729699290,5cyclictest224-21systemd-journal09:52:401
2729699290,2cyclictest19916-21diskmemload09:32:271
2729699287,3cyclictest224-21systemd-journal11:50:241
27296992714,8cyclictest224-21systemd-journal11:40:531
2729699270,2cyclictest141rcu_preempt12:08:191
138382270,1sleep013-21ksoftirqd/007:46:500
2730199269,14cyclictest224-21systemd-journal12:20:503
2730199261,2cyclictest26341-21apt-get08:15:233
2729699262,7cyclictest224-21systemd-journal11:04:291
2729699262,1cyclictest558-21lldpd12:20:241
2729699260,5cyclictest502-21rs:main1
27301992521,2cyclictest39-21ksoftirqd/310:43:133
2730199251,23cyclictest21895-21ssh09:10:313
2729799250,1cyclictest0-21swapper/209:37:482
2729699257,11cyclictest534-21snmpd11:27:131
2729699254,3cyclictest0-21swapper/111:57:331
2728899250,3cyclictest224-21systemd-journal10:25:010
2729799240,1cyclictest0-21swapper/211:27:062
2729699240,4cyclictest0-21swapper/112:02:061
2730199237,8cyclictest224-21systemd-journal12:06:263
27301992321,2cyclictest39-21ksoftirqd/311:32:073
27301992321,2cyclictest39-21ksoftirqd/311:32:073
27301992321,2cyclictest39-21ksoftirqd/309:24:043
27301992319,3cyclictest39-21ksoftirqd/309:30:343
27301992318,2cyclictest39-21ksoftirqd/310:50:253
27301992317,5cyclictest39-21ksoftirqd/312:10:243
27301992317,2cyclictest39-21ksoftirqd/309:25:273
2729699235,3cyclictest534-21snmpd11:34:271
2729699235,3cyclictest534-21snmpd11:34:261
2729699232,3cyclictest224-21systemd-journal12:36:201
2729699231,3cyclictest0-21swapper/110:25:381
2729699230,2cyclictest0-21swapper/110:58:431
2728899230,3cyclictest0-21swapper/009:41:230
27301992220,2cyclictest39-21ksoftirqd/310:56:103
27301992219,2cyclictest39-21ksoftirqd/311:05:273
27301992219,2cyclictest39-21ksoftirqd/310:25:283
27301992219,2cyclictest39-21ksoftirqd/310:15:463
27301992217,1cyclictest224-21systemd-journal11:23:373
27301992216,6cyclictest2379-21kworker/u8:210:20:033
27301992214,4cyclictest2200-1kworker/u9:210:07:043
2729799220,21cyclictest0-21swapper/211:08:012
2729699224,2cyclictest0-21swapper/109:25:151
2728899227,14cyclictest558-21lldpd11:42:200
2728899222,3cyclictest224-21systemd-journal10:07:310
2728899221,17cyclictest224-21systemd-journal08:37:050
27301992117,1cyclictest224-21systemd-journal12:32:153
2730199211,1cyclictest558-21lldpd12:28:203
2730199211,1cyclictest534-21snmpd11:52:273
2730199210,20cyclictest0-21swapper/312:00:193
2729799212,9cyclictest500-21in:imuxsock12:15:152
2729799210,7cyclictest224-21systemd-journal11:35:392
2729699213,5cyclictest224-21systemd-journal09:48:001
2729699211,9cyclictest0-21swapper/110:45:231
2728899216,10cyclictest534-21snmpd10:42:350
27288992115,3cyclictest500-21in:imuxsock11:32:060
27288992115,3cyclictest500-21in:imuxsock11:32:060
2728899211,1cyclictest534-21snmpd09:52:380
2730199206,2cyclictest224-21systemd-journal09:57:023
2730199205,6cyclictest224-21systemd-journal11:47:173
27301992018,2cyclictest39-21ksoftirqd/310:34:563
27301992018,1cyclictest0-21swapper/311:12:393
27301992014,5cyclictest39-21ksoftirqd/310:12:043
2730199201,2cyclictest0-21swapper/308:49:103
2729799206,6cyclictest224-21systemd-journal11:15:202
2729799204,10cyclictest224-21systemd-journal09:29:112
27297992013,5cyclictest500-21in:imuxsock12:10:222
2729699208,3cyclictest502-21rs:main1
2728899207,6cyclictest224-21systemd-journal12:07:050
2728899204,7cyclictest224-21systemd-journal12:29:010
27301991918,1cyclictest39-21ksoftirqd/311:59:503
27301991916,2cyclictest39-21ksoftirqd/310:38:103
27301991916,2cyclictest39-21ksoftirqd/307:55:383
27301991915,2cyclictest30887-21apt-get11:35:263
27301991913,6cyclictest39-21ksoftirqd/307:45:243
2729799194,8cyclictest500-21in:imuxsock12:01:342
27297991917,1cyclictest558-21lldpd11:40:102
27297991914,4cyclictest534-21snmpd09:53:392
27297991910,5cyclictest224-21systemd-journal10:20:262
2729799190,18cyclictest0-21swapper/211:51:522
2729699199,6cyclictest224-21systemd-journal08:20:221
2729699198,5cyclictest23093-21ssh09:11:261
2729699197,7cyclictest558-21lldpd09:22:181
2729699196,12cyclictest500-21in:imuxsock09:18:101
2729699192,4cyclictest1588-21ssh10:41:481
27296991910,5cyclictest23804-21munin-run09:40:001
27296991910,2cyclictest9875-21cut07:40:251
27296991910,2cyclictest1410-21tr12:25:271
2729699190,18cyclictest0-21swapper/112:14:051
2728899198,6cyclictest20309-21idleruntime-cro11:00:000
2728899190,17cyclictest534-21snmpd07:52:070
2728899190,11cyclictest224-21systemd-journal09:48:380
27301991816,1cyclictest39-21ksoftirqd/311:44:293
27301991815,2cyclictest39-21ksoftirqd/310:48:483
27301991815,2cyclictest39-21ksoftirqd/309:39:013
27301991814,1cyclictest39-21ksoftirqd/310:01:393
2729799187,5cyclictest25725-21cron09:15:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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