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2024-04-27 - 10:47

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #4

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.
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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackfslot4s.osadl.org (updated Sat Apr 27, 2024 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2127321200,3chrt21270-21hddtemp_smartct20:15:340
1114821140,3chrt11149-21grep21:00:060
243921120,2chrt2441-21mailstats20:41:230
3150021080,2chrt31502-21cut00:30:310
2335721080,2chrt23354-21irqstats19:15:420
1235321080,2chrt12354-21sleep19:57:170
2783321020,1sleep027834-21ssh00:23:260
1263221010,2sleep012633-21stty22:00:480
1599221000,3chrt15993-21sh21:08:260
175002900,2sleep017501-21collect223:06:570
220872870,1sleep022090-21fschecks_count23:15:470
278882840,2sleep027889-21basename22:27:110
181112840,2chrt18042-21ntp_states21:12:210
19886908217,56cyclictest5428-21munin-plugin-st19:45:010
186092820,2sleep018610-21cat22:11:000
105352820,2chrt10515-21ntpq21:56:200
316712780,2sleep031672-21timerwakeupswit19:31:280
1988690765,59cyclictest29013-21ntpq21:31:290
19886907614,52cyclictest778-21cron21:40:000
116182760,3sleep011620-21sh23:55:080
120292750,2sleep012031-21cut21:01:010
1988690746,12cyclictest22574-21df21:20:380
19886907412,45cyclictest10525-21/usr/sbin/munin22:55:480
1988690737,10cyclictest26616-21users19:21:300
1988690735,58cyclictest6473-21diskstats20:50:300
1988690735,58cyclictest25901-21ssh23:22:030
1988690735,58cyclictest24156-21ssh00:16:380
1988690735,57cyclictest21342-21ssh00:11:340
1988690735,11cyclictest29657-21hddtemp_smartct22:30:570
19886907315,47cyclictest1589-21ssh23:36:410
19886907312,51cyclictest4804-21latency_hist22:45:030
1988690726,10cyclictest8113-21df_inode22:50:410
1988690726,10cyclictest2886-21ntpq00:36:410
1988690725,57cyclictest15728-21apt-get20:05:200
1988690725,12cyclictest9302-21df23:50:560
1988690725,11cyclictest31272-21ntpq23:31:400
1988690725,11cyclictest26722-21wc21:27:220
1988690725,11cyclictest1569-21hddtemp_smartct21:40:570
1988690724,58cyclictest14671-21sshd23:01:490
1988690724,11cyclictest27420-21users20:26:300
1988690724,10cyclictest22143-21ntpq22:17:000
19886907216,47cyclictest30500-21sh20:33:430
19886907216,46cyclictest18259-21/usr/sbin/munin20:11:290
1988690716,9cyclictest4210-21if_eth120:45:410
1988690716,9cyclictest16388-21ntpq22:06:320
1988690716,56cyclictest32021-21ntpq20:35:590
1988690716,10cyclictest18683-21ntpq00:06:460
1988690715,56cyclictest25446-21snmpd19:48:060
1988690715,54cyclictest7282-21rm22:49:050
1988690714,9cyclictest761-21ntp_states22:36:560
1988690714,11cyclictest20246-21ntpq23:11:540
1988690713,9cyclictest24453-21ntpq20:21:030
19886907115,46cyclictest28699-21telnet00:25:320
19886907113,49cyclictest24796-21ntpq22:21:390
1988690706,9cyclictest8392-21df19:50:240
1988690706,12cyclictest4517-21ntpq23:41:570
1988690705,9cyclictest20716-21ntpq21:16:480
1988690705,9cyclictest13520-21diskstats20:00:310
1988690705,11cyclictest4765-21irqstats21:46:100
1988690705,10cyclictest28580-21ntpq23:26:500
1988690704,11cyclictest6731-21aten2.4_rfpower21:50:340
1988690704,10cyclictest20994-21ntpq19:10:540
1988690703,57cyclictest7531-21python323:47:150
19886907015,45cyclictest704-21telnet19:35:370
1988690696,9cyclictest27643-21apt-get19:25:180
1988690694,10cyclictest15523-21ssh00:01:070
1988690634,11cyclictest19924-21seq19:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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