You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-04 - 19:32

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 Fri Sep 04, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308282194020,1909sleep125989-21kworker/1:207:19:071
308282194020,1909sleep125989-21kworker/1:207:19:071
203052116952,1101sleep120435-21/usr/sbin/munin11:54:061
203052116952,1101sleep120435-21/usr/sbin/munin11:54:061
23841288010,854sleep025411-1kworker/0:2H10:23:560
15255261111,586sleep315266-21ntpq08:13:593
17171252313,494sleep017176-21ntp_states08:20:010
189424567,441sleep318867-1kworker/3:1H09:14:133
265623709,349sleep12681-21awk10:58:571
10904227898,110sleep10-21swapper/109:43:371
25887227011,189sleep126041-21latency_hist12:13:361
25887227011,189sleep126041-21latency_hist12:13:361
65462256101,103sleep16584-21fschecks_count09:28:521
65462256101,103sleep16584-21fschecks_count09:28:521
23799224310,220sleep123819-21apt-get10:23:451
32045223093,36sleep132063-21idleruntime-cro12:33:331
19016222068,45sleep10-21swapper/108:24:061
3006622187,197sleep130112-21grep10:43:511
2051221210,135sleep12186-21cat10:58:361
4072221027,149sleep14111-21ntpq07:39:011
9210220977,31sleep19287-21switchtime07:54:591
9210220977,31sleep19287-21switchtime07:54:591
16200220920,173sleep116358-21sed08:18:371
31248220447,95sleep10-21swapper/109:03:571
31248220447,95sleep10-21swapper/109:03:571
27781219922,121sleep127863-21cut12:18:561
27781219922,121sleep127863-21cut12:18:561
10157218418,97sleep10-21swapper/107:58:471
9854217816,149sleep09912-21sed09:38:560
7857217816,76sleep10-21swapper/111:14:021
24856217710,153sleep224864-21ntpq08:44:012
1463021749,152sleep0367-21snmpd11:38:070
389921709,101sleep10-21swapper/109:19:031
26323217038,23sleep10-21swapper/108:48:561
26323217038,23sleep10-21swapper/108:48:561
2317217015,118sleep12355-21ps09:14:591
12389216931,123sleep112413-21modprobe09:48:331
12389216931,123sleep112413-21modprobe09:48:331
12286216933,31sleep112360-21switchtime08:04:041
30497216740,107sleep130518-21latency_hist12:28:331
549521608,139sleep15117-21apt-get11:08:371
549521608,139sleep15117-21apt-get11:08:371
10425215010,126sleep210136-21/usr/sbin/munin07:58:562
26733214510,120sleep126845-21timerwakeupswit12:14:041
26733214510,120sleep126845-21timerwakeupswit12:14:041
26647214245,74sleep10-21swapper/110:33:341
23004214150,23sleep10-21swapper/112:03:551
23004214150,23sleep10-21swapper/112:03:551
27031213788,25sleep10-21swapper/110:33:541
12955213662,56sleep112660-21/usr/sbin/munin09:48:581
12955213662,56sleep112660-21/usr/sbin/munin09:48:581
13666213216,103sleep113682-21kernelversion11:33:561
18165212925,88sleep318182-21uniq11:48:563
18479212860,55sleep118520-21ntpq11:49:021
464212732,19sleep10-21swapper/110:53:361
23087212611,98sleep023092-21/usr/sbin/munin12:03:580
23087212611,98sleep023092-21/usr/sbin/munin12:03:580
26850212442,19sleep10-21swapper/107:09:021
24662212410,93sleep10-21swapper/108:43:561
15506212330,22sleep10-21swapper/109:58:341
15506212330,22sleep10-21swapper/109:58:341
8851212216,86sleep18909-21fschecks_count11:18:551
22959212111,94sleep322479-21apt-get12:03:413
22959212111,94sleep322479-21apt-get12:03:413
20215211819,23sleep10-21swapper/110:13:361
463211617,75sleep1529-21sendmail_mailqu09:09:021
24882211612,17sleep00-21swapper/007:03:530
24882211612,17sleep00-21swapper/007:03:530
23849211627,60sleep323819-21apt-get10:24:033
1794211520,80sleep10-21swapper/107:33:071
1794211520,80sleep10-21swapper/107:33:071
28491211445,17sleep10-21swapper/107:13:541
28491211445,17sleep10-21swapper/107:13:541
1484211427,28sleep00-21swapper/009:13:370
16605211356,20sleep116624-21apt-get08:18:451
5604211220,72sleep25117-21apt-get11:08:462
5604211220,72sleep25117-21apt-get11:08:462
5362211248,17sleep10-21swapper/109:23:591
4305211216,75sleep03818-21/usr/sbin/munin11:04:000
29807211252,22sleep129875-21systemctl08:59:011
29807211252,22sleep129875-21systemctl08:59:011
2137821086,9sleep10-21swapper/110:14:121
19995210813,24sleep20-21swapper/211:53:592
19995210813,24sleep20-21swapper/211:53:592
7257210747,17sleep10-21swapper/107:49:021
3251621067,10sleep10-21swapper/107:25:491
27371210528,51sleep227397-21apt12:18:332
27371210528,51sleep227397-21apt12:18:332
18447210332,43sleep30-21swapper/308:23:563
45021028,70sleep10-21swapper/112:34:021
12770210018,63sleep212863-21grep09:48:552
12770210018,63sleep212863-21grep09:48:552
183192996,57sleep10-21swapper/110:04:441
379029812,73sleep03863-21fschecks_time07:38:560
1652529826,57sleep10-21swapper/111:43:451
934829714,68sleep19497-21latency_hist09:38:361
33029712,32sleep30-21swapper/312:34:003
524829511,16sleep10-21swapper/107:43:491
50392956,10sleep10-21swapper/111:07:441
2325329413,17sleep10-21swapper/108:38:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional