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2024-04-27 - 23:13

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, 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.

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 rack2slot7s.osadl.org (updated Thu Apr 25, 2024 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4051052995644,8cyclictest284-21systemd-journal21:50:470
4051054995243,5cyclictest4110853-21systemd-run21:45:142
4051052995242,5cyclictest1724773-21mta-sts-daemon00:10:530
4051053994821,5cyclictest0-21swapper/122:00:431
4051054994638,5cyclictest4146419-21basename22:30:202
4051052994632,9cyclictest529-21gdbus21:45:170
4051052994628,15cyclictest151ktimers/022:50:400
4051053994534,8cyclictest4159413-21unixbench_multi22:46:051
4051053994430,8cyclictest4131810-21sshd22:10:451
4051053994428,11cyclictest4135735-21ssh22:15:461
405105499435,29cyclictest4192476-21ssh23:30:332
405105399430,34cyclictest4189545-21ssh23:26:211
4051052994332,8cyclictest4048209-21apt-get19:14:030
4051052994332,8cyclictest1725266-21mta-sts-daemon19:21:530
4051052994329,10cyclictest16643-21latency_hist23:55:210
4051052994326,14cyclictest4065915-21munin-plugin-st20:10:110
4051054994231,7cyclictest33464-21aten_r2power_cu00:20:322
4051054994231,7cyclictest33464-21aten_r2power_cu00:20:322
4051053994232,7cyclictest4086261-21awk21:11:021
405105299423,29cyclictest4166330-21ssh22:55:380
4051052994230,6cyclictest0-21swapper/022:35:410
4051052994228,11cyclictest1724773-21mta-sts-daemon21:21:020
4051054994132,6cyclictest4068931-21grep20:15:542
4051053994133,5cyclictest4130592-21systemd-run22:10:151
4051052994127,4cyclictest151ktimers/000:30:410
405105499403,30cyclictest4115999-21ssh21:50:472
4051054994032,5cyclictest284-21systemd-journal21:20:372
4051053994030,8cyclictest3019476-1kworker/1:2H+kblockd23:15:521
4051053994029,8cyclictest4146334-21latency_hist22:30:191
4051053994029,8cyclictest4146334-21latency_hist22:30:191
4051053994026,11cyclictest824082-21snmpd23:45:151
4051052994033,5cyclictest4051050-21cyclictest00:35:430
4051054993829,5cyclictest4056671-21aten_r2power_po19:40:412
4051054993829,5cyclictest39246-21ssh00:30:182
4051054993828,6cyclictest4056040-21cron19:35:102
4051054993828,6cyclictest4056040-21cron19:35:102
405105499382,27cyclictest28174-21ssh00:10:362
4051054993821,9cyclictest4135730-21awk22:15:482
4051052993826,9cyclictest4135840-21ntp_states22:16:020
405105299382,17cyclictest4048209-21apt-get19:42:230
4051054993731,3cyclictest4074286-21fschecks_time20:35:232
4051054993730,4cyclictest0-21swapper/221:15:322
4051054993725,9cyclictest4056514-21/usr/sbin/munin19:43:042
4051054993725,9cyclictest1725264-21mta-sts-daemon23:25:472
4051053993730,3cyclictest0-21swapper/121:29:461
4051053993729,5cyclictest42813-21aten_r2power_cu00:35:221
405105299371,31cyclictest4192573-21ssh23:30:400
4051054993630,4cyclictest4051050-21cyclictest21:30:452
4051054993625,8cyclictest529-21gdbus00:20:132
4051054993612,17cyclictest4170560-21diskmemload23:01:042
4051053993620,13cyclictest4139652-21sh22:20:451
405105299363,29cyclictest4181228-21ssh23:15:380
4051052993627,6cyclictest21280-21grep00:00:430
4051052993626,7cyclictest284-21systemd-journal22:35:140
405105499353,25cyclictest4177592-21ssh23:10:522
4051054993526,6cyclictest4181681-21switchtime23:16:142
4051054993526,6cyclictest20326-21/usr/sbin/munin00:00:262
4051054993525,8cyclictest875-21lldpd19:11:212
4051054993525,6cyclictest13690-21ntpq23:50:442
4051054993524,8cyclictest412-21avahi-daemon21:25:502
4051054993522,10cyclictest4060632-21ntp_kernel_pll_19:50:412
4051053993526,6cyclictest44386-21unixbench_singl00:36:151
4051053993525,6cyclictest4061030-21timerwakeupswit19:50:531
4051053993523,9cyclictest4069269-21latency_hist20:20:201
4051053993522,9cyclictest1724775-21munin-node21:20:131
405105399352,25cyclictest37339-21sh00:25:531
405105399350,28cyclictest4162675-21ssh22:50:421
4051052993526,6cyclictest4177666-21ntp_states23:11:060
4051052993522,10cyclictest437-21gpm19:38:100
4051052993521,12cyclictest4097860-21ssh21:26:240
4051052993520,13cyclictest1725264-21mta-sts-daemon19:27:460
4051052993520,12cyclictest4157753-21latency_hist22:45:210
405105299351,19cyclictest4131869-21ssh22:10:560
405105299351,16cyclictest4084684-21diskmemload21:15:530
405105499343,26cyclictest4155006-21ssh22:40:512
4051054993426,5cyclictest501-21in:imuxsock00:35:162
4051054993426,5cyclictest4163275-21unixbench_multi22:51:082
4051054993426,4cyclictest0-21swapper/200:05:502
4051054993423,5cyclictest0-21swapper/223:35:422
4051054993423,4cyclictest0-21swapper/222:20:522
4051054993422,8cyclictest12503-21true23:50:132
4051053993426,5cyclictest9136-21aten_r2power_po23:45:221
4051053993425,6cyclictest4147939-21unixbench_singl22:31:131
4051053993424,6cyclictest31100-21grep00:15:281
4051053993424,5cyclictest0-21swapper/100:11:031
4051053993423,5cyclictest0-21swapper/119:41:251
405105399342,27cyclictest4108343-21ssh21:40:511
4051052993426,6cyclictest4143419-21ntpq22:25:360
4051052993426,6cyclictest4143419-21ntpq22:25:360
4051052993426,5cyclictest4103297-21cron21:35:110
4051052993426,5cyclictest4077429-21fschecks_time20:45:260
4051052993426,5cyclictest20574-21latency_hist00:00:320
4051052993425,6cyclictest4072113-21grep20:25:470
4051052993425,6cyclictest1724775-21munin-node19:20:160
4051052993424,8cyclictest4055623-21ntpq19:31:550
4051052993424,8cyclictest4055623-21ntpq19:31:550
4051052993423,8cyclictest4107173-21/usr/sbin/munin21:40:220
4051052993418,13cyclictest1725264-21mta-sts-daemon19:47:020
4051052993417,13cyclictest77550irq/32-end021:10:580
4051054993326,4cyclictest1725266-21mta-sts-daemon19:20:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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