You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-15 - 20:27

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 #2, 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.

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 rack2slot7s.osadl.org (updated Wed Oct 15, 2025 12:40:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3029702995826,6cyclictest171rcu_preempt08:33:542
3029702995826,6cyclictest171rcu_preempt08:33:542
3029702995446,5cyclictest3029711-21systemd-run07:10:022
3029701994938,8cyclictest421-21avahi-daemon09:28:591
3029702994738,6cyclictest453-21systemd-logind09:30:022
3029702994736,7cyclictest3159785-21cron11:35:012
3029700994734,10cyclictest3146690-21latency_hist11:15:020
3029700994726,11cyclictest12450irq/32-eth009:28:530
3029700994639,4cyclictest3189135-21aten_r2power_vo12:18:420
302970299452,35cyclictest3087733-21ssh09:43:492
302970299452,35cyclictest3087733-21ssh09:43:492
3029702994433,6cyclictest3119744-21if_wlan010:33:462
3029701994436,5cyclictest3179986-21systemd-run12:05:011
3029701994436,5cyclictest3179986-21systemd-run12:05:011
3029701994436,5cyclictest3149277-21ssh11:19:051
3029701994436,5cyclictest1-21systemd09:25:021
3029701994332,7cyclictest2242272-21cups-browsed11:58:541
3029702994234,5cyclictest3202209-21grep12:35:012
3029701994234,5cyclictest3190992-21latency_hist12:20:031
3029701994234,5cyclictest3064200-21systemd-run09:05:021
3029701994234,4cyclictest0-21swapper/110:53:591
3029701994231,8cyclictest3127557-21cron10:45:011
3029700994234,6cyclictest3162983-21latency_hist11:40:020
3029700994233,7cyclictest3198549-21sshd12:30:100
302970099421,35cyclictest151ktimers/012:13:530
3029701994133,4cyclictest0-21swapper/112:29:001
3029700994135,4cyclictest3148331-21aten_r2power_po11:18:410
3029702994034,3cyclictest0-21swapper/209:54:102
3029702994034,3cyclictest0-21swapper/209:00:012
3029702994030,4cyclictest0-21swapper/212:13:452
3029701994033,4cyclictest3195126-21kworker/u8:13-xprtiod12:35:011
3029701994031,6cyclictest2242272-21cups-browsed10:06:431
3029701994030,4cyclictest0-21swapper/109:39:091
3029702993933,3cyclictest0-21swapper/211:55:012
3029702993931,5cyclictest3153236-21munin-plugin-st11:25:012
3029702993931,4cyclictest3145201-21fschecks_count11:13:452
3029702993930,5cyclictest3181790-21aten_r2power_cu12:08:392
3029702993928,8cyclictest698-21cron10:25:012
302970299391,30cyclictest3204976-21ssh12:38:512
3029701993931,5cyclictest3113914-21ntp_kernel_pll_10:23:551
302970299383,26cyclictest3197241-21ssh12:29:012
3029702993830,5cyclictest0-21swapper/208:40:012
3029702993826,9cyclictest3139198-21needreboot11:03:472
3029700993830,5cyclictest3130781-21systemd-run10:50:010
3029700993830,5cyclictest3029721-21latency_hist07:10:020
3029701993729,5cyclictest3172168-21switchtime11:54:021
3029700993731,4cyclictest3098660-21cut10:00:010
3029700993730,5cyclictest421-21avahi-daemon11:56:410
3029700993727,8cyclictest3041641-21head07:48:590
3029700993725,10cyclictest3087365-21fschecks_count09:43:440
3029700993725,10cyclictest3087365-21fschecks_count09:43:440
3029702993628,3cyclictest0-21swapper/210:40:012
3029702993626,6cyclictest0-21swapper/210:28:522
3029701993631,2cyclictest0-21swapper/112:40:011
3029701993631,2cyclictest0-21swapper/110:40:011
3029701993629,4cyclictest3183597-21grep12:10:011
3029701993628,5cyclictest3145510-21needreboot11:13:491
3029701993628,5cyclictest3070843-21aten_r2power_cu09:18:401
3029701993627,6cyclictest421-21avahi-daemon10:19:051
3029701993627,4cyclictest0-21swapper/112:15:011
3029701993625,8cyclictest3166199-21/usr/sbin/munin11:45:021
3029701993625,8cyclictest3129691-21ntp_kernel_err10:48:511
3029701993618,3cyclictest171rcu_preempt09:43:571
3029701993618,3cyclictest171rcu_preempt09:43:571
3029700993631,3cyclictest0-21swapper/012:40:010
3029700993631,3cyclictest0-21swapper/011:55:010
3029700993630,4cyclictest3072544-21systemd-run09:20:020
3029700993630,3cyclictest0-21swapper/010:25:010
3029700993629,4cyclictest3196711-21fschecks_count12:28:490
3029702993530,2cyclictest0-21swapper/210:45:012
3029702993528,4cyclictest957-21mta-sts-daemon10:15:322
3029702993528,3cyclictest0-21swapper/207:48:422
3029702993527,5cyclictest3176541-21latency_hist12:00:032
3029702993526,5cyclictest0-21swapper/210:13:412
302970299351,28cyclictest3142482-21ssh11:08:572
3029701993528,3cyclictest0-21swapper/111:28:401
3029701993528,3cyclictest0-21swapper/111:08:521
3029701993527,5cyclictest3135253-21aten_r2power_po10:58:431
3029701993526,7cyclictest3139234-21ntp_kernel_err11:03:491
3029701993526,6cyclictest2242272-21cups-browsed10:12:491
3029701993523,9cyclictest3161394-21cpu11:38:451
3029700993528,4cyclictest3085563-21systemd-run09:40:020
3029700993527,5cyclictest3156471-21ssh11:30:020
3029700993518,12cyclictest151ktimers/010:28:550
3029700993515,13cyclictest3178892-21sh12:03:540
3029700993515,13cyclictest3178892-21sh12:03:540
3029702993427,3cyclictest0-21swapper/211:38:482
3029702993426,5cyclictest3075737-21cron09:25:012
3029702993426,5cyclictest3061182-21systemd-run08:55:022
302970199344,24cyclictest3152333-21ssh11:23:561
3029701993426,4cyclictest0-21swapper/110:03:501
3029700993428,3cyclictest0-21swapper/009:48:480
3029700993427,4cyclictest3127608-21latency_hist10:45:020
302970099342,26cyclictest3055403-21kworker/0:2+events_power_efficient08:38:520
3029700993420,9cyclictest12450irq/32-eth009:54:040
3029702993328,2cyclictest0-21swapper/212:25:012
3029702993328,2cyclictest0-21swapper/209:20:012
3029702993326,4cyclictest959-21mta-sts-daemon12:03:372
3029702993326,4cyclictest959-21mta-sts-daemon12:03:372
3029702993325,5cyclictest3098706-21ssh10:00:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional