You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-03 - 16:02

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 50 highest latencies:
System rackfslot4s.osadl.org (updated Thu Apr 03, 2025 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2911021220,3chrt29108-21ntp_states20:56:090
1540921190,2chrt15408-21/usr/sbin/munin22:41:040
663621170,3chrt5331-21sendmail-msp22:22:290
3250521170,2sleep032506-21hostname22:10:280
2324021150,3chrt21472-21sendmail-msp00:03:260
1045021140,3chrt8732-21sendmail-msp21:23:170
1019521140,3chrt10196-21modprobe20:20:010
1362321100,3chrt13624-21sh19:22:220
2853021060,2chrt28532-21awk22:01:090
2749921050,2chrt27498-21ssh21:58:150
222621000,2chrt2227-21sh21:07:130
42752860,2sleep04278-21awk22:17:120
6642840,3chrt43-21kswapd020:01:050
249892810,1sleep024988-21sort19:45:020
163762810,2sleep016377-21cat21:35:580
242952800,2sleep024297-21sort20:46:260
259682760,1sleep025969-21cat23:02:180
140082700,1sleep014009-21switchtime22:37:130
90502680,2sleep09053-21wc23:35:050
276402590,1sleep027641-21sh00:12:290
6856905524,12cyclictest9852-21chrt23:36:010
6856905522,14cyclictest20655-21munin-run21:45:030
6856905521,24cyclictest32272-21ps21:03:370
6856905520,14cyclictest19913-21df22:50:540
6856905427,20cyclictest3287-21apt-get00:30:210
11122540,2chrt1089-21ntp_states00:24:230
6856905325,20cyclictest2096-21sendmail-msp23:21:040
6856905324,21cyclictest2919-21diskmemload23:07:330
6856905322,23cyclictest13834-21ntp_states23:44:220
6856905320,14cyclictest21163-21memory19:36:390
6856905320,13cyclictest7802-21sleep22:25:260
6856905224,20cyclictest11390-21sleep21:25:410
6856905224,19cyclictest1755-21threads00:25:420
6856905221,13cyclictest21882-21seq20:42:460
6856905220,22cyclictest6218-21chrt21:15:330
6856905219,23cyclictest10316-21sh20:20:080
6856905218,24cyclictest0-21swapper20:31:270
6856905125,15cyclictest3111-21apt-get21:10:240
6856905124,19cyclictest28094-21sendmail-msp22:05:250
6856905124,19cyclictest2096-21sendmail-msp23:25:400
6856905123,19cyclictest11012-21ntpq19:16:560
6856905121,21cyclictest13075-21aten2.4_rfpower21:30:300
6856905121,13cyclictest24393-21python300:05:520
6856905120,22cyclictest23399-21ssh22:56:290
6856905120,13cyclictest20682-21ssh23:57:350
6856905119,13cyclictest25554-21hddtemp_smartct19:45:380
6856905117,13cyclictest17648-21python322:45:360
6856905024,16cyclictest17875-21apt-get20:35:160
6856905023,19cyclictest11792-21sendmail-msp23:45:270
6856905021,20cyclictest20865-21/usr/sbin/munin21:45:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional