You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-13 - 04:29

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 #4, slot #1

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1s.osadl.org (updated Thu Aug 13, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1097521100,2chrt0-21swapper/021:08:580
1097521100,2chrt0-21swapper/021:08:580
292502940,3sleep30-21swapper/320:29:103
127712920,2sleep30-21swapper/322:39:023
127712920,2sleep30-21swapper/322:39:023
127712920,2sleep30-21swapper/322:39:023
65312780,2sleep00-21swapper/023:49:020
33062630,3sleep00-21swapper/023:39:090
33062630,3sleep00-21swapper/023:39:090
230532600,1chrt0-21swapper/021:39:090
230532600,1chrt0-21swapper/021:39:090
77402580,3chrt0-21swapper/319:33:583
77402580,3chrt0-21swapper/319:33:583
223712530,3sleep30-21swapper/323:04:073
223712530,3sleep30-21swapper/323:04:073
102592530,2sleep30-21swapper/319:39:053
102592530,2sleep30-21swapper/319:39:053
89882500,2chrt8989-21missed_timers22:29:031
574994841,5cyclictest0-21swapper/000:03:520
574994841,5cyclictest0-21swapper/000:03:520
574994841,5cyclictest0-21swapper/000:03:520
128682480,3sleep30-21swapper/321:14:003
148612470,3sleep00-21swapper/019:52:320
258552460,3sleep30-21swapper/300:39:103
258552460,3sleep30-21swapper/300:39:103
188602460,4sleep018853-21systemctl00:23:470
188602460,4sleep018853-21systemctl00:23:470
574994427,15cyclictest23558-21sendmail_mailtr20:14:080
574994419,23cyclictest0-21swapper/019:59:000
574994419,23cyclictest0-21swapper/019:59:000
137322440,3chrt0-21swapper/021:14:090
128962440,1sleep112242-21kworker/u9:4+xprtiod00:04:401
574994316,24cyclictest11865-21fw_packets00:04:010
574994220,20cyclictest0-21swapper/022:23:470
574994220,20cyclictest0-21swapper/022:23:470
212662420,3sleep30-21swapper/321:34:103
156502420,2sleep015652-21if_wlan019:54:010
156502420,2sleep015652-21if_wlan019:54:010
57499411,13cyclictest601-21snmpd00:40:030
57499411,13cyclictest601-21snmpd00:40:030
57499401,12cyclictest18645-21grep21:29:020
57499401,12cyclictest18645-21grep21:29:020
46432400,3sleep30-21swapper/323:44:023
46432400,3sleep30-21swapper/323:44:023
98562390,2chrt0-21swapper/321:04:073
98562390,2chrt0-21swapper/321:04:073
58099393,29cyclictest11682-21df00:03:591
574993916,21cyclictest537-21fschecks_time23:34:010
58299382,25cyclictest11456-21chrt00:03:523
58299382,25cyclictest11456-21chrt00:03:523
58299382,25cyclictest11456-21chrt00:03:523
574993815,21cyclictest0-21swapper/022:14:040
574993815,21cyclictest0-21swapper/022:14:040
574993814,2cyclictest0-21swapper/020:32:480
574993814,22cyclictest0-21swapper/023:09:110
574993813,2cyclictest0-21swapper/021:59:040
574993813,2cyclictest0-21swapper/021:59:040
57499381,12cyclictest10302-21ntp_states19:39:060
57499381,12cyclictest10302-21ntp_states19:39:060
57499379,8cyclictest17479-21cat21:24:090
57499371,12cyclictest20065-21cat00:24:090
57499371,12cyclictest20065-21cat00:24:090
57499371,12cyclictest11633-21cut19:44:000
146182370,3sleep30-21swapper/321:18:583
146182370,3sleep30-21swapper/321:18:583
574993626,7cyclictest9999-21threads21:04:080
574993626,7cyclictest9999-21threads21:04:080
57499362,12cyclictest749-21runrttasks21:55:420
574993612,2cyclictest0-21swapper/022:53:300
574993612,2cyclictest0-21swapper/022:53:300
57499361,13cyclictest21951-21grep20:09:090
57499361,11cyclictest12144-21/usr/sbin/munin22:39:080
57499361,11cyclictest12144-21/usr/sbin/munin22:39:080
57499361,11cyclictest12144-21/usr/sbin/munin22:39:080
57499361,10cyclictest20604-21sort21:34:010
574993610,3cyclictest0-21swapper/020:35:090
574993610,3cyclictest0-21swapper/020:35:090
57499351,11cyclictest13847-21sort00:09:050
574993510,3cyclictest0-21swapper/022:44:090
308282350,2sleep30-21swapper/320:34:083
308282350,2sleep30-21swapper/320:34:083
580993428,4cyclictest23590-21fschecks_time23:09:001
580993427,5cyclictest19665-21ntp_offset20:04:061
57499348,5cyclictest0-21swapper/020:39:030
57499348,5cyclictest0-21swapper/020:39:030
57499341,6cyclictest1801-21mailstats22:09:080
57499341,12cyclictest749-21runrttasks23:23:460
57499341,12cyclictest749-21runrttasks23:23:460
580993325,6cyclictest24464-21kernelversion21:44:021
580993325,6cyclictest24464-21kernelversion21:44:021
574993326,5cyclictest26650-21fschecks_time20:24:000
574993326,5cyclictest26650-21fschecks_time20:24:000
574993311,3cyclictest0-21swapper/023:18:480
57499331,12cyclictest16536-21unixbench_multi00:14:100
57499331,12cyclictest16536-21unixbench_multi00:14:100
57499331,11cyclictest749-21runrttasks22:30:070
580993225,5cyclictest20836-21latency_hist00:28:511
580993225,5cyclictest20836-21latency_hist00:28:511
580993223,7cyclictest25500-21fschecks_time23:13:591
580993223,7cyclictest20649-21threads22:59:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional