You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-27 - 16:21

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 #b, 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 
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.

Note that this system runs a non-RT kernel.
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7s.osadl.org (updated Sat Jun 27, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1109721983815,19805sleep21157-21kworker/u8:408:10:082
1109721983815,19805sleep21157-21kworker/u8:408:10:082
1386424219,394sleep113906-21fschecks_count11:45:061
17489229326,231sleep117581-21latency_hist10:14:491
2056022636,210sleep1364-21snmpd10:24:381
11670225464,172sleep1296-21rs:main1
32128224652,175sleep132268-21latency_hist07:34:501
8868222918,193sleep08862-21apt-get11:30:030
8868222918,193sleep08862-21apt-get11:30:030
30054221718,153sleep130153-21fschecks_time09:10:081
19044220624,65sleep119124-21xargs12:00:171
17811220545,105sleep10-21swapper/110:15:051
20620220039,46sleep10-21swapper/108:40:081
24297219718,155sleep324391-21fschecks_time10:35:063
24297219718,155sleep324391-21fschecks_time10:35:063
15591218353,79sleep115601-21kernelversion11:50:071
860218043,53sleep10-21swapper/111:04:481
26001218063,50sleep10-21swapper/107:14:551
31999217616,142sleep032052-21ls11:00:020
592621697,147sleep15811-21cron07:54:491
24460216127,51sleep10-21swapper/110:35:081
24460216127,51sleep10-21swapper/110:35:081
27875215122,107sleep327915-21fschecks_count12:30:073
12754214912,63sleep10-21swapper/108:15:081
7440214816,78sleep10-21swapper/111:25:071
823321448,13sleep30-21swapper/311:25:213
21101214429,98sleep10-21swapper/110:25:031
25542213919,104sleep025467-21kworker/u8:210:39:470
25542213919,104sleep025467-21kworker/u8:210:39:470
2377821348,55sleep10-21swapper/108:50:051
3952212918,89sleep00-21swapper/011:14:480
2623821266,15sleep10-21swapper/112:25:001
1547212628,78sleep01580-21fschecks_count07:40:060
2310021258,101sleep10-21swapper/112:15:021
10489212510,75sleep110550-21apt-key08:09:471
3144621225,13sleep10-21swapper/110:56:441
18232212243,54sleep10-21swapper/111:59:481
3027721210,7sleep00-21swapper/010:54:490
1275521217,80sleep112828-21systemd-run09:59:471
21067212020,82sleep320584-21apt-get10:24:563
545521198,45sleep10-21swapper/111:19:461
545521198,45sleep10-21swapper/111:19:461
4304211810,42sleep10-21swapper/109:30:151
23839211642,37sleep10-21swapper/107:09:461
1961821168,44sleep10-21swapper/108:35:231
10624211615,84sleep010390-21/usr/sbin/munin11:35:080
4641211417,73sleep24681-21fschecks_count07:50:052
4641211417,73sleep24681-21fschecks_count07:50:052
28999211014,42sleep10-21swapper/107:24:481
17330211022,70sleep10-21swapper/108:30:061
3560210910,38sleep10-21swapper/107:45:161
3560210910,38sleep10-21swapper/107:45:161
302210918,74sleep2357-21sendmail09:19:462
28439210912,80sleep328586-21awk07:20:183
685521088,41sleep10-21swapper/109:40:001
685521088,41sleep10-21swapper/109:40:001
7773210759,34sleep17865-21fschecks_time08:00:061
9637210612,36sleep10-21swapper/111:30:201
9637210612,36sleep10-21swapper/111:30:201
1570121058,40sleep10-21swapper/108:25:011
1040521058,36sleep10-21swapper/109:50:141
32137210348,42sleep132265-21cat09:15:171
2723210333,55sleep1364-21snmpd11:10:051
2530221038,36sleep10-21swapper/112:20:151
29333210015,40sleep30-21swapper/312:34:593
29333210015,40sleep30-21swapper/312:34:593
2039210039,51sleep1364-21snmpd11:05:411
301352997,42sleep130163-21munin-run10:54:471
2759029951,35sleep127604-21kernelversion10:45:091
216452998,33sleep10-21swapper/112:10:061
141452987,11sleep20-21swapper/211:45:112
1265529813,68sleep312660-21/usr/sbin/munin08:15:063
2829429713,45sleep128385-21cut12:30:171
212592979,33sleep1225-21systemd-journal12:09:451
575129629,35sleep20-21swapper/211:19:592
575129629,35sleep20-21swapper/211:19:592
528329648,14sleep10-21swapper/109:35:031
43729614,69sleep1519-21switchtime07:35:181
257802967,34sleep10-21swapper/110:40:011
257802967,34sleep10-21swapper/110:40:011
1589029618,54sleep315902-21cron10:09:463
1541029614,66sleep215422-21sh08:24:462
131422966,37sleep10-21swapper/110:00:031
382729523,42sleep33933-21fschecks_time09:30:053
515929311,22sleep10-21swapper/107:50:161
515929311,22sleep10-21swapper/107:50:161
2668729311,67sleep226698-21ntpq12:25:132
252332935,12sleep10-21swapper/107:12:201
2319529316,56sleep323322-21timerwakeupswit07:05:163
2947429237,44sleep10-21swapper/109:07:251
2744929215,60sleep327548-21sed09:00:173
2632629219,47sleep326363-21fschecks_count12:25:063
2235829234,36sleep022373-21idleruntime-cro10:29:460
2805829119,51sleep227765-21/usr/sbin/munin12:30:102
2347029134,16sleep10-21swapper/108:49:491
1415529021,51sleep10-21swapper/108:20:011
327362898,68sleep032737-21sshd09:19:190
189328932,14sleep10-21swapper/109:24:461
1223428934,14sleep10-21swapper/111:40:051
196328815,51sleep22040-21cat07:40:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional