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2025-02-13 - 07:11

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot7s.osadl.org (updated Wed Feb 12, 2025 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17039224282179,98sleep00-21swapper07:08:380
17238991657,114cyclictest21794-21/usr/sbin/munin11:31:150
172389916110,125cyclictest19706-21apt-get11:16:510
172389916016,115cyclictest14978-21ntpq10:35:490
172389916014,109cyclictest13648-21sshd10:23:360
172389916012,124cyclictest12554-21zcat10:15:580
172389915813,121cyclictest7386-21wc09:35:580
172389915811,123cyclictest19084-21head07:16:200
172389915716,23cyclictest10283-21munin-run10:00:030
172389915714,25cyclictest23006-21zcat11:35:570
172389915714,118cyclictest3327-21apt-get09:11:310
172389915713,120cyclictest7846-21apt-get09:40:210
172389915712,101cyclictest24993-21zcat11:50:580
172389915618,117cyclictest19717-21gpgv11:15:060
172389915612,118cyclictest28996-21/usr/sbin/munin12:20:480
172389915610,122cyclictest26411-21uname08:10:370
172389915517,117cyclictest3329-21munin-run09:10:050
172389915515,23cyclictest27743-21munin-run08:20:040
172389915421,28cyclictest23659-21memory11:40:450
172389915410,28cyclictest26969-21switchtime12:02:050
172389915410,105cyclictest14664-21sort10:35:040
172389915324,18cyclictest0-21swapper08:25:480
172389915321,27cyclictest31190-21diskstats08:40:350
172389915319,24cyclictest22187-21df_inode07:40:310
172389915319,106cyclictest18082-21apt-get11:00:190
172389915316,112cyclictest28269-21df12:15:270
172389915314,24cyclictest26111-21cron08:10:010
172389915311,100cyclictest25122-21/usr/sbin/munin07:56:050
172389915225,24cyclictest18474-1kworker/u3:307:30:130
172389915219,108cyclictest5295-21apt-get09:20:200
172389915217,109cyclictest28146-21ntpq08:20:480
172389915213,100cyclictest29827-21munin-run12:30:000
172389915211,38cyclictest24112-21awk07:51:030
172389915119,108cyclictest26028-21users11:56:070
172389915115,22cyclictest31436-21munin-run12:40:020
172389915115,22cyclictest28065-21latency_hist12:15:010
172389915114,28cyclictest4876-21rt-features09:16:040
172389915113,96cyclictest32173-21ntpq08:45:520
172389915112,102cyclictest17962-21munin-run11:00:020
172389915111,25cyclictest16412-21grep10:50:050
172389915111,25cyclictest16148-21sed10:41:030
172389915111,118cyclictest12544-21snmpd07:36:010
172389915036,22cyclictest30253-21apt-get08:35:140
172389915017,104cyclictest8889-21diskstats09:50:280
172389915012,24cyclictest16765-21/usr/sbin/munin10:50:470
172389914918,28cyclictest29561-21df_inode08:30:320
172389914916,111cyclictest503-21grep08:50:520
172389914916,110cyclictest11101-21apt10:05:010
172389914915,93cyclictest8676-21munin-run09:50:020
172389914913,111cyclictest29927-21apt-get12:30:080
172389914910,22cyclictest1619-21grep08:56:010
172389914812,112cyclictest19574-21/usr/sbin/munin07:20:460
172389914812,107cyclictest25405-21df_inode08:00:290
172389914810,19cyclictest11617-21grep10:10:440
172389914810,115cyclictest12544-21snmpd07:45:510
172389914735,91cyclictest20170-21apt-config07:25:130
172389914710,28cyclictest21755-21latency_hist11:30:040
172389914618,24cyclictest21524-21users11:21:170
172389914617,46cyclictest27260-21munin-run12:10:020
172389914616,28cyclictest6463-21memory09:30:400
172389914517,24cyclictest2533-21munin-run09:05:030
172389914517,24cyclictest12544-21snmpd09:28:480
172389914419,101cyclictest18047-21munin-node07:15:070
172389914316,25cyclictest18909-21munin-run11:10:010
17238991419,28cyclictest11211-21sshd10:08:320
172389914112,29cyclictest13887-21latency_hist10:30:040
172389914011,24cyclictest24113-21apt-get11:45:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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