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2025-05-09 - 05:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #2

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 rack7slot2s.osadl.org (updated Fri May 09, 2025 00:48:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142497099287181,68cyclictest1453082-21kworker/u9:1+rpciod22:40:430
142497099287181,68cyclictest1453082-21kworker/u9:1+rpciod22:40:430
142497099276106,88cyclictest1482232-21ntpq00:06:230
142497099274155,61cyclictest1446745-21kworker/u9:1+xprtiod21:23:390
142497099271170,65cyclictest14-21ksoftirqd/022:53:210
142497099271170,65cyclictest14-21ksoftirqd/022:53:210
142497099271167,68cyclictest1448894-21kworker/u9:6+xprtiod22:10:040
142497099271167,68cyclictest1448894-21kworker/u9:6+xprtiod22:10:040
142497099271146,79cyclictest1435904-21df20:15:350
142497099270165,53cyclictest1446749-21kworker/u9:7+rpciod21:37:030
142497099270165,53cyclictest1446749-21kworker/u9:7+rpciod21:37:020
142497099269149,74cyclictest1433684-21ntpq20:01:310
142497099269149,74cyclictest1433684-21ntpq20:01:310
142497099267154,57cyclictest1453082-21kworker/u9:1+rpciod22:36:130
142497099267154,57cyclictest1453082-21kworker/u9:1+rpciod22:36:130
142497099263163,57cyclictest1426192-21ntpq19:16:030
142497099262155,64cyclictest1443860-21kworker/u9:3+rpciod22:35:000
142497099262155,64cyclictest1443860-21kworker/u9:3+rpciod22:35:000
142497099261160,59cyclictest1465375-21ssh22:46:440
142497099261160,59cyclictest1465375-21ssh22:46:440
142497099261130,117cyclictest0-21swapper/019:40:070
142497099260161,57cyclictest1474528-21/usr/sbin/munin23:32:100
142497099260161,57cyclictest1474528-21/usr/sbin/munin23:32:090
142497099260156,56cyclictest670-21lldpd00:03:070
142497099259153,59cyclictest171rcu_preempt22:25:070
142497099259147,56cyclictest1475659-21df_inode23:35:370
142497099258155,58cyclictest1471577-21/usr/sbin/munin23:16:010
142497099258140,75cyclictest1435233-21/usr/sbin/munin20:11:040
142497099258140,75cyclictest1435233-21/usr/sbin/munin20:11:040
142497099257155,56cyclictest1458682-21dpkg22:15:160
142497099257155,56cyclictest1458682-21dpkg22:15:160
142497099257149,58cyclictest1427447-21latency_hist19:25:060
142497099257149,58cyclictest1427447-21latency_hist19:25:060
142497099256156,57cyclictest1486350-21ntpq00:26:060
142497099256156,57cyclictest1486350-21ntpq00:26:060
142497099256152,58cyclictest1441070-21ntp_states20:46:340
142497099256152,58cyclictest1441070-21ntp_states20:46:330
142497099256151,89cyclictest0-21swapper/021:00:010
142497099256151,89cyclictest0-21swapper/021:00:000
142497099256151,57cyclictest1449535-21collect221:31:430
142497099256149,57cyclictest1455867-21ld22:01:390
142497099256149,57cyclictest1455867-21ld22:01:390
142497099256145,58cyclictest1476753-21forks23:40:420
142497099255157,59cyclictest1433162-21kworker/u9:7+rpciod20:31:360
142497099255157,59cyclictest1433162-21kworker/u9:7+rpciod20:31:360
142497099255150,58cyclictest1458119-21mailstats22:11:580
142497099255150,58cyclictest1458119-21mailstats22:11:570
142497099255150,57cyclictest1459848-21/usr/sbin/munin22:20:400
142497099255143,56cyclictest1470388-21/usr/sbin/munin23:10:420
142497099255143,56cyclictest1470388-21/usr/sbin/munin23:10:410
142497099254159,80cyclictest1434003-21kworker/u9:12+rpciod21:40:270
142497099254156,56cyclictest1446921-21latency_hist21:20:050
142497099254155,61cyclictest1412767-21kworker/u9:4+rpciod20:05:340
142497099254154,58cyclictest1479206-21processes23:51:540
142497099254154,58cyclictest1479206-21processes23:51:540
142497099254149,90cyclictest1452586-21ld21:46:070
142497099254146,56cyclictest1484778-21kworker/u10:6+rpciod00:40:060
142497099254135,71cyclictest1468516-21gcc23:01:320
142497099254135,71cyclictest1468516-21gcc23:01:320
142497099253153,56cyclictest1473481-21/usr/sbin/munin23:25:530
142497099253153,56cyclictest1473481-21/usr/sbin/munin23:25:520
142497099253141,59cyclictest1455368-21ssh22:00:090
142497099253129,108cyclictest0-21swapper/023:56:330
142497099252170,68cyclictest1487148-21ssh00:30:260
142497099251159,57cyclictest171rcu_preempt20:25:480
142497099251159,57cyclictest171rcu_preempt20:25:480
142497099251154,56cyclictest1432020-21kworker/u10:10+rpciod20:21:550
142497099251149,57cyclictest171rcu_preempt19:41:210
142497099251149,57cyclictest171rcu_preempt19:41:200
142497099251149,57cyclictest1441779-21ntpq20:50:540
142497099250157,55cyclictest14-21ksoftirqd/023:22:120
142497099250157,55cyclictest14-21ksoftirqd/023:22:120
142497099250145,62cyclictest1432951-21find19:56:540
142497099250145,62cyclictest1432951-21find19:56:530
142497099250135,74cyclictest1443263-21apt-get21:00:130
142497099250135,74cyclictest1443263-21apt-get21:00:130
142497099249148,60cyclictest1467876-21kworker/u9:5+xprtiod22:58:500
142497099249148,60cyclictest1467876-21kworker/u9:5+xprtiod22:58:500
142497099249148,57cyclictest1462596-21kworker/u10:0+rpciod23:06:410
142497099249148,57cyclictest1462596-21kworker/u10:0+rpciod23:06:400
142497099248150,57cyclictest1412767-21kworker/u9:4+rpciod19:46:080
142497099248150,57cyclictest1412767-21kworker/u9:4+rpciod19:46:080
142497099248137,65cyclictest171rcu_preempt21:26:400
142497099246128,100cyclictest0-21swapper/020:45:040
142497099246128,100cyclictest0-21swapper/020:45:040
142497099245164,67cyclictest1460803-21/usr/sbin/munin22:26:590
142497099245135,69cyclictest0-21swapper/019:52:400
142497099245134,70cyclictest0-21swapper/021:07:120
142497099245134,70cyclictest0-21swapper/019:13:400
142497099245134,70cyclictest0-21swapper/019:13:390
142497099245113,87cyclictest0-21swapper/000:11:420
14249709924169,81cyclictest714-21snmpd20:35:270
142497099239133,90cyclictest0-21swapper/021:11:500
142497099239133,90cyclictest0-21swapper/021:11:490
142497099238135,90cyclictest0-21swapper/019:31:550
142497099238135,90cyclictest0-21swapper/019:31:540
142497099238134,89cyclictest1453578-21memory21:50:540
142497099233132,86cyclictest0-21swapper/023:45:300
142497099233132,86cyclictest0-21swapper/023:45:300
142497199230127,65cyclictest1436377-21timerwakeupswit20:17:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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