You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-15 - 14:18

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 Fri Dec 12, 2025 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368821180,2chrt3689-21sh20:54:390
2054321170,2chrt20009-21/usr/sbin/munin21:25:550
1512221170,2chrt15118-21aten2.4-expect00:11:190
1902921140,3chrt19030-21sleep22:20:540
2369721110,2chrt23698-21sleep23:27:170
1772821050,2chrt17729-21sleep22:18:150
126321050,2chrt1261-21/usr/sbin/munin23:45:560
1090521040,2chrt10906-21sleep00:02:440
736121000,2chrt7362-21sleep19:56:440
111062990,3chrt11107-21sh21:08:550
101672990,3chrt10168-21sh20:02:480
241672920,2sleep024168-21cat21:31:540
70042880,2sleep07002-21sendmail_mailtr22:57:150
255692860,2sleep025574-21cut23:31:020
136132737,53sleep013623-21ntpq19:05:390
126032700,2sleep012606-21wc21:11:200
211842680,2sleep021185-21sort20:25:030
240852593,8sleep024094-21ntpq19:25:560
144612584,43sleep014521-21memory20:10:490
285052563,42sleep028565-21perl19:35:350
206962564,8sleep020688-21ntpq23:21:590
171242563,43sleep0869-21snmpd23:15:590
163692560,1sleep016367-21cat23:15:030
299312544,9sleep029924-21ntpq00:36:490
149272542,6sleep014916-21ssh21:15:580
262112533,8sleep026208-21df00:30:410
172332532,6sleep017225-21ssh21:20:170
248642520,1sleep024862-21uptime00:27:250
200712523,40sleep020073-21sleep19:19:440
212632513,9sleep021310-21/usr/sbin/munin19:21:330
35602500,1sleep03574-21aten2.4_rfpower23:50:330
15140905019,23cyclictest0-21swapper21:53:020
58962493,7sleep05887-21ntpq21:57:280
44882493,36sleep04515-21proc_pri19:51:220
324402494,7sleep032451-21ntpq20:46:070
296422480,3chrt29618-21ntpq21:41:370
15140904818,22cyclictest0-21swapper23:42:550
15140904817,23cyclictest0-21swapper00:07:410
15140904719,21cyclictest0-21swapper23:02:360
1514090467,11cyclictest11332-21irqstats22:07:000
1514090463,24cyclictest15331-21ssh22:14:290
15140904616,22cyclictest0-21swapper22:53:490
15140904615,23cyclictest0-21swapper21:38:160
11852462,6sleep01192-21ssh22:46:450
51602450,1sleep05195-21grep20:56:220
1514090456,20cyclictest10721-21apt-get20:05:170
1514090455,11cyclictest26610-21munin-run22:35:010
15140904517,21cyclictest0-21swapper23:39:510
15140904516,21cyclictest0-21swapper22:38:030
15140904416,21cyclictest0-21swapper00:23:240
15140904415,22cyclictest0-21swapper23:08:300
15140904415,22cyclictest0-21swapper22:27:290
15140904414,23cyclictest0-21swapper19:10:060
15140904413,22cyclictest0-21swapper20:36:290
15140904412,23cyclictest0-21swapper21:45:070
15140904320,15cyclictest0-21swapper20:15:120
75402420,2chrt7541-21sh23:56:480
1514090425,9cyclictest21678-21perl20:25:380
1514090425,9cyclictest1724-21ntpq19:45:520
15140904220,15cyclictest0-21swapper00:19:050
15140904220,13cyclictest0-21swapper22:03:420
15140904215,10cyclictest26175-21if_eth019:30:410
1514090415,18cyclictest29839-21ntpq20:40:570
1514090406,9cyclictest7475-21ntpq21:00:580
15140904018,13cyclictest0-21swapper20:30:260
1514090396,25cyclictest869-21snmpd19:42:370
15140903914,18cyclictest0-21swapper22:42:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional