You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-02 - 19:17

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 all highest latencies:
System rackfslot4s.osadl.org (updated Sun Aug 02, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2848421230,2chrt28483-21/usr/sbin/munin11:45:440
97621180,2chrt975-21ld08:36:080
1636721180,2chrt16368-21aten2.4_rfpower09:50:390
1492121180,3chrt14919-21python308:06:300
2592021160,4chrt25921-21awk11:41:160
156221150,1sleep01563-21seq09:27:440
3143621140,2chrt31435-21/usr/sbin/munin10:12:250
1789921140,1sleep017900-21if_eth110:41:040
1550521140,3chrt15506-21chrt09:00:040
714321120,2chrt7144-21ntpq12:02:000
2910021120,3chrt29097-21cpuspeed12:35:350
2110321120,3chrt21104-21chrt11:34:490
1334521120,3chrt13346-21seq10:34:330
754621110,3chrt7547-21sh07:55:350
2556021110,2chrt25441-21apt-get12:30:310
2311221110,2sleep023114-21cut12:26:070
2043921110,2chrt20442-21sed09:56:090
35921100,2sleep0363-21chrt11:51:480
1581821070,2sleep015820-21aten2.4_rfpower09:00:260
914021050,2chrt9141-21sh09:39:530
1512821050,3chrt15129-21chrt09:48:120
2155221040,2chrt21553-21sleep09:09:570
278221020,2chrt2783-21sleep07:46:580
2440421020,2sleep024405-21rm10:02:010
60121010,2chrt602-21hostname10:15:350
186192970,2sleep018620-21sendmail12:20:000
313622960,1sleep031363-21cat11:01:020
302762920,1sleep030277-21dpkg07:40:130
207762920,2sleep020775-21seq08:15:470
57552880,1sleep05758-21grep10:22:290
288432880,2sleep028844-21seq08:29:420
22772870,2sleep02278-21chrt11:55:220
127412800,2sleep012742-21chrt07:11:170
223802780,1sleep022382-21fschecks_time09:10:560
167692760,1sleep016768-21seq10:39:460
243642750,2sleep024365-21fschecks_time10:50:550
270822740,2sleep027086-21chrt07:35:240
54212710,2sleep05418-21hddtemp_smartct11:10:540
291892710,2sleep029190-21seq10:09:480
91542700,2sleep09155-21chrt08:50:170
222112700,2sleep022212-21rm10:47:170
11307906734,23cyclictest20769-21/usr/sbin/munin07:25:420
273362660,2sleep027337-21cat10:55:180
11307906535,19cyclictest4035-21ntpq09:31:300
232162640,2sleep023218-21tr11:37:150
11307906433,22cyclictest23839-21sleep08:20:470
11307906431,22cyclictest1512-21runrttasks11:05:190
11307906431,13cyclictest7315-21runrttasks11:28:480
11307906431,13cyclictest20331-21ntpq12:21:490
11307906431,13cyclictest16317-21apt-get08:10:130
11307906430,14cyclictest30437-21ssh09:22:290
11307906430,14cyclictest10830-21ntpq09:41:420
11307906340,14cyclictest10511-21ssh12:07:100
11307906337,17cyclictest23870-21apt-get07:30:190
11307906332,22cyclictest13692-21ntpq12:11:530
11307906331,23cyclictest12705-21ntpq11:21:250
11307906330,23cyclictest14540-21/usr/sbin/munin07:16:320
11307906329,13cyclictest7390-21aten2.4-expect10:25:380
11307906236,17cyclictest4071-21apt-get07:50:180
11307906231,22cyclictest10112-21users11:17:240
11307906230,12cyclictest26701-21ntpq09:16:580
11307906139,15cyclictest3269-21diskstats08:40:310
11307906134,9cyclictest17974-21cpu07:20:280
11307906131,22cyclictest7479-21sendmail_mailtr08:46:230
11307906034,15cyclictest10304-21apt-get08:00:210
11307906031,20cyclictest30464-21ntp_states08:31:190
11307905734,14cyclictest436-21runrttasks07:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional