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2025-05-02 - 12:40

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #6

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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot6s.osadl.org (updated Fri May 02, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
870322490,2sleep08704-21awk20:30:250
2692021450,2sleep026921-21mailstats21:40:290
591421390,5chrt5831-21/usr/sbin/munin20:20:170
2418721390,4chrt24186-21/usr/sbin/munin23:35:290
2503221320,4chrt25033-21df23:40:130
2573021220,2sleep025733-21sed21:35:320
201259912127,16cyclictest27942-21/usr/sbin/munin23:50:290
201259911910,16cyclictest14874-21df20:55:160
201259911729,14cyclictest21414-21/usr/sbin/munin21:20:200
201259911726,14cyclictest2948-21/usr/sbin/munin00:20:180
201259911629,14cyclictest31722-21/usr/sbin/munin22:00:150
20125991159,14cyclictest17475-21df_inode21:05:150
201259911527,15cyclictest19983-21/usr/sbin/munin21:15:250
201259911525,14cyclictest18832-21/usr/sbin/munin23:15:250
201259911524,14cyclictest31332-21latency_hist00:05:020
201259911520,15cyclictest11052chrt22:05:390
201259911429,14cyclictest17288-21/usr/sbin/munin23:10:150
201259911428,14cyclictest16052-21/usr/sbin/munin23:05:160
201259911425,15cyclictest32559-21cron00:10:000
201259911423,15cyclictest7083-21/usr/sbin/munin00:35:270
20125991139,14cyclictest949-21ntp_states20:00:250
201259911311,20cyclictest4373-21ntpq00:25:210
20125991128,12cyclictest13644-21ntpq22:55:250
201259911224,15cyclictest28956-21interrupts23:55:160
201259911221,14cyclictest32256-21/usr/sbin/munin19:55:290
201259911211,18cyclictest3038-21/usr/sbin/munin22:15:330
20125991119,20cyclictest24059-21latency21:30:240
201259911125,15cyclictest26856-21users23:45:330
201259911125,13cyclictest9356-21latency_hist22:40:020
201259911111,18cyclictest25975-21users19:30:310
201259911111,17cyclictest23110-21ntpq19:20:220
201259911110,21cyclictest16428-21runrttasks21:00:290
20125991108,17cyclictest29206-21irqstats21:50:180
201259911028,12cyclictest13820-21ntp_offset20:50:240
201259911026,15cyclictest28320-21/usr/sbin/munin21:45:310
201259911024,14cyclictest1845-21/usr/sbin/munin00:15:250
201259911024,13cyclictest6741-21seq22:29:410
201259911021,14cyclictest9928-21ntpq20:35:210
201259911012,20cyclictest22582-21memory23:30:220
20125991099,15cyclictest11082-21ntpq22:45:250
201259910929,14cyclictest13043-21runrttasks20:47:020
201259910911,19cyclictest9787-21ntp_states22:40:220
20125991088,28cyclictest20662-21grep19:10:270
20125991088,20cyclictest4357-21/usr/sbin/munin22:20:130
20125991087,16cyclictest21999-21chrt23:27:540
201259910823,13cyclictest269-21runrttasks23:01:280
201259910822,13cyclictest8081-21seq20:28:360
201259910821,15cyclictest12798-21seq22:51:350
201259910812,16cyclictest29852-21users19:45:340
201259910811,18cyclictest12131-21munin-run20:45:010
201259910811,17cyclictest4702-21memory20:15:230
201259910723,13cyclictest22450-21cron21:25:020
201259910721,15cyclictest1059-21seq00:12:200
201259910716,24cyclictest1755-21/usr/sbin/munin22:10:110
201259910712,18cyclictest24393-21ntp_states19:25:250
20125991068,13cyclictest20081-21ntpq23:20:220
201259910622,14cyclictest7877-21sshd22:33:280
201259910622,12cyclictest87-21jbd2/mmcblk0p1-00:30:190
201259910619,16cyclictest2624-21seq20:06:060
20125991058,28cyclictest30406-21df_inode21:55:140
20125991058,15cyclictest29077-21seq19:44:410
20125991058,13cyclictest18761-21df21:10:160
201259910517,15cyclictest3585-21sshd20:10:280
201259910425,14cyclictest27493-21runrttasks19:37:230
201259910324,10cyclictest0-21swapper19:50:090
20125991027,16cyclictest22680-21systemctl19:20:000
1919028023,32sleep019209-21ntp_states19:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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