You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-23 - 19:48

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 Sun Nov 23, 2025 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182952101725,980sleep018334-21ntpq12:24:010
21925277825,733sleep321977-21/usr/sbin/munin09:08:553
19559246870,380sleep019573-21fschecks_count12:28:530
19559246870,380sleep019573-21fschecks_count12:28:530
10152237634,327sleep110221-21/usr/sbin/munin10:14:071
10152237634,327sleep110221-21/usr/sbin/munin10:14:071
5479236157,127sleep05541-21sshd11:43:550
19285235317,320sleep219329-21ntpq10:44:002
22553226569,152sleep022590-21latency07:28:570
8862226073,160sleep00-21swapper/008:28:540
226622606,203sleep00-21swapper/011:33:450
18019225853,187sleep018023-21users08:54:420
18019225853,187sleep018023-21users08:54:420
5384225713,229sleep25413-21awk08:18:342
5384225713,229sleep25413-21awk08:18:342
62622556,233sleep00-21swapper/009:44:050
62622556,233sleep00-21swapper/009:44:050
23371225219,113sleep023433-21munin-run10:58:360
29916224759,178sleep0362-21snmpd07:52:230
15564223730,31sleep015694-21sort10:33:360
7086222752,119sleep00-21swapper/010:04:080
21633222522,28sleep00-21swapper/007:24:120
21633222522,28sleep00-21swapper/007:24:120
29527221917,189sleep229541-21cat09:33:452
2339219917,164sleep32461-21wc08:08:373
2339219917,164sleep32461-21wc08:08:373
12115219628,109sleep00-21swapper/008:38:470
297642188102,23sleep00-21swapper/009:33:550
885218617,152sleep21005-21sed09:44:112
885218617,152sleep21005-21sed09:44:112
15012218244,80sleep00-21swapper/008:48:360
1839217629,134sleep01877-21grep09:48:540
30600216842,114sleep030674-21cat07:53:560
2537821639,111sleep00-21swapper/011:03:490
10356216364,24sleep00-21swapper/008:33:500
26401216182,54sleep00-21swapper/009:23:460
16410216172,12sleep00-21swapper/007:09:300
23596215912,74sleep023673-21latency09:13:560
18906215910,99sleep00-21swapper/010:43:500
5468215826,93sleep05540-21wc09:59:070
25639215769,74sleep00-21swapper/009:19:090
9979214846,84sleep010023-21ntpq10:14:010
9979214846,84sleep010023-21ntpq10:14:010
750214632,96sleep0872-21sshd08:03:380
2235421438,12sleep30-21swapper/307:28:513
18901214356,72sleep00-21swapper/008:58:580
16681214143,37sleep00-21swapper/008:53:370
16681214143,37sleep00-21swapper/008:53:370
14081213421,98sleep00-21swapper/007:05:060
9251213319,95sleep1313-21rs:main1
7206213113,71sleep00-21swapper/011:48:560
27612212943,43sleep00-21swapper/011:09:100
14912212818,87sleep315034-21/usr/sbin/munin10:29:073
4205212742,38sleep00-21swapper/011:38:580
25124212752,60sleep025141-21idleruntime-cro07:38:340
25124212752,60sleep025141-21idleruntime-cro07:38:340
12817212731,27sleep012887-21idleruntime10:23:550
32620212415,88sleep232756-21grep07:59:072
17103212131,34sleep017249-21head12:19:040
13477212135,43sleep00-21swapper/007:03:530
13477212135,43sleep00-21swapper/007:03:530
8454211924,76sleep00-21swapper/010:09:050
7359211813,86sleep37421-21/usr/sbin/munin11:48:593
18138211811,26sleep00-21swapper/010:39:050
13101211832,62sleep313198-21dpkg07:03:353
13101211832,62sleep313198-21dpkg07:03:353
9311211724,75sleep29452-21grep11:54:062
224721178,22sleep02273-21munin-run08:08:340
224721178,22sleep02273-21munin-run08:08:340
3477211462,14sleep00-21swapper/009:53:540
3477211462,14sleep00-21swapper/009:53:540
21202211017,69sleep320711-21/usr/sbin/munin07:24:073
21202211017,69sleep320711-21/usr/sbin/munin07:24:073
17062211028,63sleep117083-21awk10:38:341
2541421097,62sleep00-21swapper/007:38:500
23793210921,73sleep123318-21apt-get10:58:451
20543210817,67sleep120609-21fschecks_time10:48:561
13492210823,63sleep113428-21apt-get07:04:021
13492210823,63sleep113428-21apt-get07:04:021
24546210623,65sleep224674-21unixbench_multi07:34:082
24546210623,65sleep224674-21unixbench_multi07:34:082
1406021060,9sleep10-21swapper/112:09:071
12641210540,16sleep00-21swapper/012:04:470
22247210432,17sleep00-21swapper/009:09:040
1489210418,68sleep30-21swapper/311:29:083
1489210418,68sleep30-21swapper/311:29:083
7453210318,70sleep27485-21proc_pri11:49:022
13230210314,13sleep00-21swapper/012:08:500
2791021025,13sleep00-21swapper/007:44:350
2791021025,13sleep00-21swapper/007:44:350
19718210211,75sleep319800-21mailstats07:19:393
19718210211,75sleep319800-21mailstats07:19:393
12375210216,61sleep312402-21munin-run10:23:333
4215210126,25sleep04277-21grep08:13:550
4215210126,25sleep04277-21grep08:13:550
31862210121,17sleep00-21swapper/009:39:080
25874210013,72sleep125895-21awk07:39:031
25087210012,74sleep125089-21sshd07:38:101
25087210012,74sleep125089-21sshd07:38:101
12133210014,66sleep112135-21apt-get08:38:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional