You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-29 - 15:04

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 Mon Jun 29, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
610721300,2sleep06109-21aten2.4_rfpower00:00:520
346121240,2sleep03464-21sed20:40:430
2238021190,3chrt22381-21sleep20:20:040
2909421180,3chrt29093-21ssh21:20:540
2473421150,2chrt24735-21seq00:28:200
486121140,3chrt4862-21runrttasks23:58:550
163121140,2chrt1630-21seq19:45:450
58621130,3chrt587-21ssh23:03:230
1075521120,2chrt10753-21ld21:41:320
2998921110,1sleep029990-21chrt22:59:050
2177821080,3chrt21779-21sleep21:58:070
2374221070,3chrt23743-21runrttasks23:38:120
189221060,2chrt1893-21sh23:54:450
1839221060,2chrt18394-21ssh21:53:000
1781021060,3chrt17811-21chrt23:29:510
141852960,2sleep014186-21chrt23:24:050
185062940,2sleep018507-21seq00:19:250
9092910,2sleep0910-21tune2fs22:15:540
325422910,2sleep032543-21chrt22:14:490
83882900,2sleep08389-21mailstats19:56:250
167402850,1sleep016741-21seq21:01:050
36232830,2sleep03626-21sed21:31:080
291312830,2sleep029132-21seq20:30:460
290252820,2sleep029026-21chrt00:35:240
91922819,56sleep09211-21ld19:05:500
143752800,2sleep014376-21chrt19:15:210
285472780,2sleep028548-21seq00:34:320
1108590764,30cyclictest7612-21ntpq21:36:570
207012750,2sleep020702-21seq23:33:510
179982740,2sleep017999-21seq19:20:400
65812720,2sleep06582-21cat23:12:150
11085907118,22cyclictest0-21swapper23:49:070
158332680,2sleep015834-21seq21:49:500
53342670,1sleep05336-21cut19:51:250
206562610,2sleep020657-21chrt22:45:160
189532590,1sleep018950-21sendmail_mailqu22:42:210
18552590,2sleep01856-21seq21:28:260
266682530,2sleep026669-21dpkg19:35:060
221262530,2sleep022128-21grep21:10:380
166012530,2sleep016602-21chrt22:39:180
11085905321,23cyclictest0-21swapper22:21:020
46832510,2sleep04685-21chrt23:10:040
11085904819,21cyclictest0-21swapper22:53:510
11085904818,22cyclictest0-21swapper23:44:280
150802470,1sleep015081-21seq20:59:170
11085904716,23cyclictest0-21swapper00:09:350
1108590466,12cyclictest10386-21memory20:51:410
11085904616,23cyclictest0-21swapper22:33:020
275152452,36sleep027521-21ntpq22:06:360
271952456,32sleep026991-21apt-get19:35:480
230772452,36sleep0412-21snmpd19:28:560
1108590455,19cyclictest31122-21ntpq19:40:500
11085904515,23cyclictest0-21swapper00:14:350
11085904514,21cyclictest0-21swapper23:17:550
1108590435,10cyclictest11592-21diskstats19:10:330
1108590434,19cyclictest32389-21diskstats20:35:340
156152422,34sleep015619-21sleep20:08:440
11085904216,16cyclictest7089-21/usr/sbin/munin22:25:500
11085904214,9cyclictest25273-21ssh22:03:270
1108590415,10cyclictest7027-21ntp_states20:46:160
11085904119,14cyclictest0-21swapper20:00:240
11085904114,21cyclictest17590-21ntpq20:11:190
11085904017,17cyclictest25993-21irqrtprio21:16:090
11085904016,17cyclictest18973-21/usr/sbin/munin00:22:210
11085904012,9cyclictest19753-21ntpq21:05:590
11085903812,10cyclictest22626-21basename20:20:240
11085903712,19cyclictest25955-21runrttasks20:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional