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2026-03-01 - 14:34
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4s.osadl.org (updated Sun Mar 01, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77421170,2chrt775-21mailstats23:37:140
1808421160,2sleep018085-21chrt00:03:280
241721140,3chrt2418-21seq21:15:410
1726621140,2chrt17267-21chrt23:13:300
1217121140,2chrt12172-21grep23:06:250
2671921130,2chrt26720-21/usr/sbin/munin23:27:190
2397521120,2chrt23976-21chrt23:23:360
2466721110,3chrt24663-21ld19:45:560
2187921110,2chrt21880-21rm00:09:370
2749721090,2sleep027495-21sendmail_mailst21:01:240
441521080,3chrt4416-21seq22:54:590
1121821060,3chrt11219-21seq20:27:540
547221040,2chrt5473-21sh21:20:260
1857321040,2chrt18574-21sleep20:44:020
2707721030,2chrt27078-21hostname22:40:350
170921030,2chrt1710-21sh21:14:490
2233421010,3chrt22335-21sleep19:42:050
308852960,1sleep030887-21awk20:00:240
175732940,2sleep017575-21if_err_eth222:26:000
225552890,2sleep022554-21seq21:45:410
55392880,2sleep05542-21latency_hist23:45:060
284922870,1sleep028496-21latency_hist19:55:050
110792830,2sleep011080-21sh22:16:360
200682790,2sleep020070-21timerwakeupswit23:17:190
306922770,3sleep030693-21sendmail_mailqu00:22:120
204282760,2sleep020429-21/usr/sbin/munin21:42:050
269072740,2sleep026908-21seq21:51:420
228132730,2sleep022814-21ssh22:33:550
71732720,2sleep07175-21grep22:10:540
252462720,2sleep025244-21sendmail_mailst22:37:140
27272700,1sleep02728-21sh00:29:320
249662690,1sleep024967-21seq00:14:040
153452690,1sleep015346-21cut21:35:050
95082680,2sleep09514-21seq20:23:270
147532640,2sleep014754-21grep22:21:220
308732630,1sleep030912-21idleruntime-cro21:10:000
92092620,2sleep09210-21runrttasks00:39:080
86832590,2sleep08686-21runrttasks23:49:530
311152593,9sleep07315-21runrttasks23:34:470
201722593,8sleep020176-21ntpq20:45:550
105422590,2sleep010543-21sh23:03:410
7072580,1sleep0708-21runrttasks22:49:260
294652570,1sleep029505-21cpu21:55:560
62482543,9sleep06270-21apt00:35:000
166382543,43sleep016642-21ntpq21:36:200
130462533,8sleep013051-21irqstats20:30:460
61412523,41sleep06144-21seq22:09:370
58342523,40sleep05838-21sleep22:56:170
19662513,7sleep01970-21sleep20:06:510
7620904919,23cyclictest0-21swapper23:58:130
7620904913,19cyclictest9779-21ssh23:51:060
762090466,11cyclictest27164-21ntp_states00:17:110
153062462,34sleep015310-21sleep20:35:190
7620904417,21cyclictest0-21swapper21:29:580
204792440,2chrt20480-21sh19:37:190
7620904316,13cyclictest0-21swapper22:04:120
753824310,18sleep07580-21munin-run19:10:000
305352410,2sleep030540-21runrttasks20:00:000
762090406,27cyclictest412-21snmpd20:13:150
7620904014,19cyclictest15159-21sshd19:26:270
7620903918,14cyclictest0-21swapper19:30:400
762090384,9cyclictest10000-21df19:15:300
762090383,7cyclictest5224-21apt-get20:15:180
7620903811,9cyclictest9467-21seq19:15:000
7620903811,9cyclictest0-21swapper19:21:060
7620903713,16cyclictest0-21swapper20:53:180
7620903611,17cyclictest0-21swapper20:57:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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