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2024-04-25 - 01:59

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 the highest latencies:
System rack5slot7s.osadl.org (updated Wed Apr 24, 2024 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12584224502210,97sleep00-21swapper07:08:410
127799916817,24cyclictest2489-21apt09:35:020
127799916517,122cyclictest7336-21apt-get10:07:050
127799916311,127cyclictest14632-21cut07:20:560
127799916112,120cyclictest9969-21latency_hist10:20:020
127799916012,122cyclictest24527-21grep08:30:040
127799915917,41cyclictest19381-21apt-get08:01:390
127799915815,25cyclictest13347-21apt-get10:46:320
127799915815,100cyclictest32535-21munin-run09:20:030
127799915815,100cyclictest26234-21wc12:01:210
127799915716,107cyclictest24600-21apt-get08:30:200
127799915713,42cyclictest22885-21sendmail08:20:020
127799915712,118cyclictest21402-21cstates08:10:250
127799915711,121cyclictest17297-21memory07:46:160
127799915620,109cyclictest28053-21memory08:50:470
127799915614,117cyclictest7337-21munin-plugin-st10:05:020
127799915611,103cyclictest13587-21munin-node07:15:080
127799915517,114cyclictest12525-21munin-run10:40:020
127799915516,115cyclictest16607-21munin-run07:40:030
127799915515,115cyclictest25047-21diskstats11:55:330
127799915514,115cyclictest21647-21wc11:35:030
127799915512,119cyclictest23056-21egrep08:20:240
127799915443,90cyclictest11399-21switchtime10:26:050
127799915417,112cyclictest31063-21memory12:30:520
127799915412,118cyclictest15537-21cat10:55:510
127799915318,24cyclictest19498-21irqstats11:20:410
127799915318,23cyclictest14650-21irqstats10:50:520
127799915316,23cyclictest19386-21munin-run08:00:030
127799915221,28cyclictest22657-21diskstats11:40:360
127799915218,107cyclictest20235-21diskstats11:25:360
127799915216,25cyclictest29315-21munin-run09:00:020
127799915216,22cyclictest29540-21df_inode09:00:310
127799915216,112cyclictest14053-21munin-run07:20:030
127799915215,28cyclictest14973-21apt-get07:25:180
127799915211,118cyclictest29433-21latency12:20:480
127799915210,118cyclictest15501-21systemd-journal11:20:020
127799915210,117cyclictest32056-21run-parts12:36:030
127799915117,25cyclictest8466-21apt-get10:10:260
127799915115,112cyclictest6513-21apt10:00:000
127799915113,115cyclictest3592-21uname09:40:460
127799915111,25cyclictest23518-21irqstats11:45:430
127799915041,89cyclictest27040-21missed_timers12:05:570
127799915039,89cyclictest18196-21switchtime11:11:030
127799915015,28cyclictest30642-21grep12:26:080
127799915013,98cyclictest16755-21munin-run07:45:010
127799915013,37cyclictest12891-21memory10:40:480
127799915013,111cyclictest17588-21latency_hist11:10:020
127799914974,33cyclictest27257-21memory08:45:480
127799914936,22cyclictest16486-21processes11:00:570
127799914919,26cyclictest25470-21cstates08:35:220
127799914914,24cyclictest20707-21irqstats08:05:480
127799914914,112cyclictest18055-21irqstats07:50:470
127799914913,114cyclictest1288-21grep09:25:530
127799914913,113cyclictest26520-21/usr/sbin/munin08:40:520
127799914913,111cyclictest28388-21/usr/sbin/munin12:15:490
127799914911,115cyclictest10397-21awk10:20:530
127799914910,114cyclictest28030-21awk12:10:590
127799914821,27cyclictest2700-21diskstats09:35:360
127799914816,102cyclictest31027-21apt-get09:10:170
127799914810,115cyclictest568-21grep09:20:590
127799914716,26cyclictest4214-21/usr/sbin/munin09:45:540
127799914715,108cyclictest22429-21munin-run11:40:040
127799914713,20cyclictest30227-21/usr/sbin/munin09:05:440
127799914713,110cyclictest5256-21memory09:50:480
127799914614,34cyclictest11693-21sshd10:32:480
127799914612,95cyclictest24764-21unixbench_singl11:51:110
127799914313,27cyclictest15773-21sshd07:31:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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