You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-18 - 09:45

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 #5

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
  Phytec
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot5s.osadl.org (updated Sat Jul 18, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1991487995341,8cyclictest2022914-21cron20:40:013
1991487994942,4cyclictest2098853-21sendmail00:20:003
1991482994937,7cyclictest2096659-21grep00:10:242
1991482994918,27cyclictest2018859-21sort20:25:252
199148299480,40cyclictest0-21swapper/222:35:122
1991477994734,9cyclictest231ktimers/119:45:131
1991477994734,9cyclictest231ktimers/119:45:121
1991482994625,15cyclictest1992619-21grep19:10:252
1991473994636,6cyclictest2103970-21sh00:35:000
1991482994534,6cyclictest0-21swapper/221:36:482
1991473994535,7cyclictest2015686-21grep20:15:270
199148299442,39cyclictest2098041-21/usr/sbin/munin00:15:242
199148299441,38cyclictest2093957-21apt-get00:05:122
1991487994333,7cyclictest0-21swapper/300:24:593
1991487994333,7cyclictest0-21swapper/300:24:593
1991487994330,8cyclictest0-21swapper/320:40:273
199148299433,35cyclictest2026570-21munin-node20:50:132
199148299431,39cyclictest2080122-21/usr/sbin/munin23:25:182
199148299431,35cyclictest0-21swapper/223:05:112
1991482994233,5cyclictest2016973-21proc_pri20:20:232
199148299420,32cyclictest0-21swapper/219:40:112
1991487994131,7cyclictest2055130-21unixbench_singl22:10:263
1991487994130,8cyclictest2088392-21idleruntime-cro23:50:013
1991482994134,4cyclictest2058977-21cron22:25:002
199148299413,33cyclictest2099088-21apt-get00:20:132
199148299413,33cyclictest2099088-21apt-get00:20:122
1991482994132,5cyclictest2006943-21unixbench_singl19:50:262
1991482994116,21cyclictest0-21swapper/223:45:152
199148299411,37cyclictest2090530-21apt-get23:55:112
199148299411,37cyclictest2033934-21/usr/sbin/munin21:10:182
199148299411,37cyclictest2015138-21/usr/sbin/munin20:15:212
199148299411,37cyclictest2007586-21/usr/sbin/munin19:55:132
199148299411,35cyclictest2068452-21/usr/sbin/munin22:50:242
199148299411,31cyclictest0-21swapper/220:30:112
199148299401,36cyclictest2072779-21sshd23:04:292
199148299401,36cyclictest2041119-21/usr/sbin/munin21:30:232
199148299401,36cyclictest2004706-21/usr/sbin/munin19:45:202
199148299401,36cyclictest2004706-21/usr/sbin/munin19:45:202
199148299401,35cyclictest2023278-21df_inode20:40:142
199148299401,34cyclictest2102622-21diskstats00:30:132
199148299401,34cyclictest2081584-21/usr/sbin/munin23:30:112
199148299401,34cyclictest2078521-21/usr/sbin/munin23:20:182
199148299401,34cyclictest2061239-21/usr/sbin/munin22:30:172
199148299401,34cyclictest2045558-21apt-get21:45:122
199148299401,34cyclictest2032306-21/usr/sbin/munin21:05:182
199148299401,33cyclictest2066032-21apt-get22:45:122
199148299401,31cyclictest0-21swapper/221:25:122
1991482994012,25cyclictest2000536-21latency_hist19:35:022
1991477994032,5cyclictest2028050-21munin-plugin-st20:55:011
1991473994032,4cyclictest2072829-21debian-sa123:05:000
1991487993929,7cyclictest2053381-21grep22:05:233
199148299393,32cyclictest2064327-21apt-get22:40:112
199148299393,32cyclictest2064327-21apt-get22:40:112
199148299393,31cyclictest2048917-21sed21:55:002
199148299391,36cyclictest53-21kcompactd023:41:572
199148299391,35cyclictest2075284-21/usr/sbin/munin23:10:212
199148299391,35cyclictest2059965-21/usr/sbin/munin22:25:252
199148299391,35cyclictest2056827-21unixbench_singl22:15:252
199148299391,35cyclictest2054205-21/usr/sbin/munin22:10:152
199148299391,35cyclictest2029253-21/usr/sbin/munin20:55:262
199148299391,35cyclictest2021969-21/usr/sbin/munin20:35:212
199148299391,35cyclictest2000946-21/usr/sbin/munin19:35:162
199148299391,33cyclictest2037160-21/usr/sbin/munin21:20:152
199148299391,32cyclictest0-21swapper/200:35:122
1991482993911,23cyclictest2052640-21if_err_eth022:05:152
1991477993930,5cyclictest0-21swapper/121:25:011
1991477993916,7cyclictest131rcu_preempt22:35:121
1991487993830,5cyclictest2038056-21unixbench_multi21:20:253
199148299383,32cyclictest1993590-21df_inode19:15:032
199148299383,20cyclictest629-21snmpd22:00:062
199148299383,20cyclictest629-21snmpd22:00:062
199148299381,34cyclictest2092701-21/usr/sbin/munin00:00:212
199148299381,34cyclictest2044386-21/usr/sbin/munin21:40:202
199148299381,34cyclictest2036117-21/usr/sbin/munin21:15:272
199148299381,34cyclictest2031225-21/usr/sbin/munin21:00:252
199148299381,34cyclictest1996255-21/usr/sbin/munin19:20:212
199148299381,33cyclictest2100806-21apt-get00:25:112
199148299381,33cyclictest2012092-21sshd20:05:302
1991473993828,6cyclictest0-21swapper/023:55:240
1991487993727,6cyclictest0-21swapper/300:30:003
199148299371,33cyclictest2077589-21cron23:16:012
199148299371,33cyclictest2025707-21/usr/sbin/munin20:45:262
199148299371,33cyclictest1997415-21/usr/sbin/munin19:25:122
1991482993711,23cyclictest0-21swapper/222:55:252
199148299370,32cyclictest2088622-21apt-get23:50:142
199148299370,32cyclictest0-21swapper/220:00:112
1991473993729,4cyclictest0-21swapper/021:55:010
1991487993629,4cyclictest2061066-21fschecks_count22:30:143
1991487993627,6cyclictest0-21swapper/322:50:003
1991487993626,6cyclictest0-21swapper/322:35:233
1991487993625,7cyclictest0-21swapper/321:15:273
1991487993625,7cyclictest0-21swapper/300:00:293
199148299361,32cyclictest2049760-21/usr/sbin/munin21:55:252
199148299361,32cyclictest2012999-21/usr/sbin/munin20:10:122
199148299360,33cyclictest0-21swapper/223:35:122
1991477993627,6cyclictest2003530-21grep19:40:251
1991477993625,6cyclictest0-21swapper/119:35:251
1991487993526,6cyclictest0-21swapper/319:50:263
1991487993522,7cyclictest0-21swapper/320:05:253
1991477993528,5cyclictest2027744-21kworker/u8:1+events_unbound20:56:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional