You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-25 - 04:10

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 #5, slot #4

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
  Intel
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: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4s.osadl.org (updated Thu Jun 25, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418166821400,3sleep20-21swapper/219:40:332
2239612560,3sleep375-21kworker/3:1+events23:40:253
4146015995546,7cyclictest1704890-21systemd-journal23:30:002
4146015995546,7cyclictest1704890-21systemd-journal23:30:002
1052402520,3sleep00-21swapper/021:40:260
4146009995140,8cyclictest157715-21apt-get22:35:010
4146011994942,5cyclictest3497-21apt-get20:00:011
4146009994943,4cyclictest4104230-21kworker/u8:0+flush-8:019:10:190
4146011994838,7cyclictest82847-21latency_hist21:20:011
4146009994841,5cyclictest152734-21latency_hist22:30:000
4146009994742,4cyclictest112223-21kworker/u8:3+flush-8:022:45:310
4146015994641,4cyclictest34592-21kworker/u8:1+flush-8:021:00:312
4146011994636,8cyclictest1704890-21systemd-journal21:40:291
4146015994541,3cyclictest4167744-21kworker/u8:3+flush-8:019:50:392
4146011994436,7cyclictest4104230-21kworker/u8:0+flush-8:020:00:201
4146009994438,4cyclictest4167744-21kworker/u8:3+flush-8:020:30:350
4146009994437,5cyclictest4104230-21kworker/u8:0+flush-8:019:30:320
4146011994334,6cyclictest232304-21latency_hist23:50:011
4146009994337,4cyclictest4183189-21kworker/u8:2+flush-8:020:45:210
4146009994334,7cyclictest4167744-21kworker/u8:3+flush-8:019:55:360
4146009994332,10cyclictest217446-21kworker/u8:0+events_unbound23:40:320
4146015994235,4cyclictest112223-21kworker/u8:3+flush-8:022:55:362
4146009994238,3cyclictest4155660-21kworker/u8:1+flush-8:019:25:190
4146009994235,5cyclictest112223-21kworker/u8:3+flush-8:023:00:310
4146015994135,4cyclictest4183189-21kworker/u8:2+flush-8:020:30:202
4146011994135,4cyclictest4104230-21kworker/u8:0+flush-8:019:30:201
4146009994136,4cyclictest34592-21kworker/u8:1+events_unbound21:05:230
4146009994131,7cyclictest212482-21latency_hist23:30:010
4146009994131,7cyclictest212482-21latency_hist23:30:000
4146011994033,5cyclictest182727-21latency_hist23:00:011
4146009994036,3cyclictest112223-21kworker/u8:3+flush-8:023:35:310
4146009994035,3cyclictest102393-21kworker/u8:0+flush-8:022:00:360
4146009993934,4cyclictest4104230-21kworker/u8:0+flush-8:020:25:340
4146009993931,5cyclictest43879-21diskstats20:40:200
4146009993930,7cyclictest63334-21/usr/sbin/munin21:00:250
4146009993929,8cyclictest246497-21ntpq00:00:270
4146011993831,5cyclictest212747-21apt-get23:30:141
4146011993829,7cyclictest1704890-21systemd-journal00:10:011
4146011993829,7cyclictest112877-21/usr/sbin/munin21:50:281
4146009993828,9cyclictest127213-21kworker/u8:2+flush-8:023:05:360
414562723726,6sleep10-21swapper/119:07:341
4146015993632,3cyclictest2674899-21kworker/u8:2+flush-8:019:20:322
4146011993632,3cyclictest242433-21kworker/u8:1+flush-8:000:35:281
4146011993631,3cyclictest102393-21kworker/u8:0+flush-8:022:45:161
4146011993630,5cyclictest246646-21kworker/u8:4+flush-8:000:15:311
4146011993629,6cyclictest4104230-21kworker/u8:0+flush-8:020:15:311
4146009993630,4cyclictest112903-21apt-get21:50:160
4146015993523,9cyclictest1704890-21systemd-journal23:10:002
4146011993530,4cyclictest4183189-21kworker/u8:2+flush-8:020:45:341
4146011993529,4cyclictest112223-21kworker/u8:3+flush-8:000:00:311
4146009993529,4cyclictest4183189-21kworker/u8:2+flush-8:020:35:300
4146009993529,4cyclictest3795193-21kworker/u8:3+events_unbound19:15:050
4146015993430,3cyclictest4167744-21kworker/u8:3+events_unbound21:15:372
4146015993429,4cyclictest4167744-21kworker/u8:3+flush-8:021:30:312
4146011993429,4cyclictest34592-21kworker/u8:1+events_unbound20:30:271
4146011993426,6cyclictest1704890-21systemd-journal21:14:471
4146009993430,3cyclictest237281-21base6423:55:010
4146009993427,6cyclictest127213-21kworker/u8:2+flush-8:023:45:320
4146009993424,8cyclictest276624-21ntpq00:30:280
4146015993329,3cyclictest4167744-21kworker/u8:3+events_unbound21:10:352
4146011993329,3cyclictest34592-21kworker/u8:1+flush-8:020:35:351
4146011993329,3cyclictest277177-21unixbench_singl00:30:361
4146011993325,6cyclictest227349-21latency_hist23:45:021
4146009993331,1cyclictest34592-21kworker/u8:1+events_unbound21:25:330
4146009993328,4cyclictest4167744-21kworker/u8:3+events_unbound21:30:290
4146009993327,4cyclictest4167744-21kworker/u8:3+flush-8:019:50:340
4146009993327,4cyclictest127213-21kworker/u8:2+events_unbound23:15:190
4146011993227,3cyclictest141625-21needreboot22:15:281
4146011993224,6cyclictest4192093-21unixbench_singl19:50:371
4146011993224,6cyclictest4177606-21cron19:40:001
4146011993221,8cyclictest1704890-21systemd-journal20:56:471
4146011993221,8cyclictest1704890-21systemd-journal20:56:471
4146009993227,3cyclictest102393-21kworker/u8:0+flush-8:022:10:350
41456652324,9sleep20-21swapper/219:08:032
4146015993125,4cyclictest4183189-21kworker/u8:2+events_unbound21:20:362
4146015993124,5cyclictest3497-21apt-get20:00:012
4146011993126,3cyclictest93712-21irqrtprio21:30:231
4146011993126,3cyclictest29459-21irqrtprio20:25:241
4146011993125,4cyclictest127213-21kworker/u8:2+events_unbound23:35:171
4146009993127,3cyclictest192657-21kworker/u8:0+events_unbound23:10:220
4146009993124,5cyclictest4104230-21kworker/u8:0+flush-8:020:05:360
4146009993122,6cyclictest257520-21latency_hist00:15:020
414600999311,12cyclictest41610102kthreadcore19:20:260
4146015993026,2cyclictest4153105-21aten2_r5power_c19:15:172
4146015993024,4cyclictest237648-21cp23:55:012
4146015993024,4cyclictest112223-21kworker/u8:3+flush-8:022:00:312
4146015993021,7cyclictest1704890-21systemd-journal23:44:472
4146011993027,2cyclictest85288-21kthreadcore21:20:261
4146011993024,4cyclictest202855-21apt-get23:20:161
4146011993023,5cyclictest153217-21cpuspeed_turbos22:30:201
4146011993022,6cyclictest163163-21/usr/sbin/munin22:40:271
4146011993021,7cyclictest158186-21/usr/sbin/munin22:35:281
4146009993026,3cyclictest112223-21kworker/u8:3+flush-8:022:09:170
4146009993026,2cyclictest23489-21cron20:19:590
4146009993025,3cyclictest401-21dbus-daemon22:00:000
4146009993025,3cyclictest24510-21irqrtprio20:20:240
4146009993024,5cyclictest4155660-21kworker/u8:1+flush-8:019:40:220
4146009993024,4cyclictest143162-21fschecks_count22:20:210
4146009993023,5cyclictest20977-21cron20:15:000
53002290,9sleep375-21kworker/3:1+mm_percpu_wq20:00:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional