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2024-11-21 - 22:11

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 all highest latencies:
System rackfslot4s.osadl.org (updated Thu Nov 21, 2024 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1565421210,3chrt15099-21sendmail-msp08:21:000
975821200,2sleep09760-21irqrtprio11:11:120
734521170,3chrt7346-21/usr/sbin/munin12:05:300
1473221160,2chrt14415-21sendmail-msp11:20:550
668821050,2chrt6689-21ls08:02:020
562721020,2chrt5628-21ssh10:05:360
2338821020,2chrt23389-21sh08:35:410
447921000,2sleep04480-21cut12:00:090
263402840,2sleep026341-21basename11:41:200
46912810,2sleep04695-21sed11:02:300
267822780,2sleep026783-21cut12:40:090
149552780,2sleep014956-21collect210:22:060
313832760,1sleep031385-21timerwakeupswit07:46:250
174292690,1sleep017431-21awk07:20:460
148452630,2sleep014846-21sh12:17:350
257912583,8sleep025792-21ntpq07:35:500
290302574,9sleep029034-21df_inode11:45:430
5742563,9sleep0621-21sed07:50:410
169112564,43sleep016913-21hddtemp_smartct10:25:530
121592563,42sleep012130-21apt-get07:10:200
75342542,7sleep07540-21ld11:06:480
260792534,41sleep026062-21ssh10:42:130
225812534,39sleep022573-21ntpq12:31:450
19232534,7sleep01916-21ntpq10:56:590
106522532,7sleep010676-21latency_hist10:15:000
38062523,8sleep03796-21ntpq10:01:570
274892522,9sleep027481-21ssh10:45:240
157992510,2sleep015800-21mailstats09:22:580
12017905021,22cyclictest0-21swapper09:50:080
102782503,38sleep010281-21ssh09:12:420
12017904920,22cyclictest0-21swapper10:19:340
327092485,35sleep032745-21perl09:55:520
186902480,2chrt18688-21/usr/sbin/munin11:27:000
12017904818,21cyclictest0-21swapper10:39:320
1051424811,21sleep010516-21ntpq07:05:380
316792473,36sleep031674-21ssh10:52:070
12017904717,22cyclictest0-21swapper09:33:530
12017904717,22cyclictest0-21swapper09:26:000
1201790466,11cyclictest6866-21ntpq09:06:110
12017904619,19cyclictest0-21swapper09:48:590
12017904617,23cyclictest0-21swapper12:13:420
12017904616,23cyclictest0-21swapper11:53:190
1201790456,10cyclictest18746-21ntpq08:25:530
12017904516,21cyclictest0-21swapper11:33:020
12017904516,21cyclictest0-21swapper10:34:510
1201790445,19cyclictest22883-21ssh11:35:140
12017904418,20cyclictest12357-21if_can011:15:590
12017904416,21cyclictest0-21swapper12:23:070
48282430,2sleep04829-21aten2.4_rfpower12:01:050
12017904315,10cyclictest14968-21df_inode07:15:280
12017904313,14cyclictest516-21apt-get08:55:170
12017904220,16cyclictest0-21swapper09:43:510
12017904217,19cyclictest21244-21ssh09:35:310
12017904212,21cyclictest0-21swapper12:25:080
1201790415,17cyclictest2997-21/usr/sbin/munin09:01:160
1201790414,9cyclictest20791-21ntpq07:25:590
12017904117,17cyclictest13864-21munin-run09:20:070
12017904116,19cyclictest0-21swapper08:17:260
1201790405,9cyclictest27894-21fschecks_time07:41:060
1201790405,16cyclictest28853-21memory08:45:550
12017904015,10cyclictest3769-21/usr/sbin/munin07:56:200
12017904014,19cyclictest25762-21cpuspeed08:40:520
1201790395,13cyclictest22590-21sshd07:30:280
12017903918,15cyclictest0-21swapper08:05:270
1201790386,16cyclictest11498-21python308:11:240
12017903818,10cyclictest361-21modprobe08:55:010
12017903814,17cyclictest22528-21sshd08:34:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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