You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-29 - 05:16

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 Fri Nov 28, 2025 12:39:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2819704996052,5cyclictest422-21dbus-daemon07:10:010
2819704996041,15cyclictest0-21swapper/012:34:190
2819704995945,6cyclictest2915122-21ssh10:39:190
2819704995945,6cyclictest2915122-21ssh10:39:190
2819706995041,5cyclictest422-21dbus-daemon11:50:012
281970599503,36cyclictest2868765-21ssh09:29:151
2819704995023,16cyclictest12450irq/32-eth012:04:150
2819706994939,6cyclictest2905809-21basename10:25:012
2819706994933,12cyclictest2915875-21awk10:40:012
2819706994933,12cyclictest2915875-21awk10:40:012
2819704994936,7cyclictest0-21swapper/008:34:300
2819704994936,7cyclictest0-21swapper/008:34:300
2819704994931,5cyclictest2894651-21kernelversion10:09:110
2819705994638,5cyclictest2902501-21systemd-run10:20:011
2819705994638,5cyclictest2902501-21systemd-run10:20:011
2819704994639,4cyclictest0-21swapper/009:04:280
281970699450,4cyclictest171rcu_preempt09:34:192
2819705994539,3cyclictest0-21swapper/112:19:181
2819705994536,5cyclictest422-21dbus-daemon10:35:011
2819705994536,5cyclictest422-21dbus-daemon10:35:011
2819704994527,14cyclictest0-21swapper/010:50:000
2819704994527,14cyclictest0-21swapper/010:50:000
2819705994436,4cyclictest2839221-21latency_hist08:15:021
2819705994427,11cyclictest261rcuc/107:49:151
281970499445,31cyclictest2875409-21ssh09:39:230
2819704994436,5cyclictest422-21dbus-daemon09:35:010
2819706994333,6cyclictest1985041-21cups-browsed12:06:162
2819706994333,5cyclictest0-21swapper/211:34:172
281970699432,27cyclictest2855686-21diskmemload10:49:172
281970699432,27cyclictest2855686-21diskmemload10:49:172
281970599434,33cyclictest2976972-21ssh12:14:141
2819705994335,5cyclictest2944387-21munin-plugin-st11:25:011
281970599433,30cyclictest2904956-21ssh10:24:171
2819705994332,7cyclictest1-21systemd12:35:011
2819706994236,2cyclictest0-21swapper/211:45:002
2819706994236,2cyclictest0-21swapper/211:45:002
2819706994232,6cyclictest1985041-21cups-browsed11:55:012
2819705994233,6cyclictest2932341-21systemd-run11:05:021
2819704994232,7cyclictest2851183-21/usr/sbin/munin08:55:020
2819706994133,5cyclictest2895850-21systemd-run10:10:022
2819706994132,5cyclictest0-21swapper/208:59:192
2819706994128,9cyclictest0-21swapper/212:39:232
281970699411,36cyclictest2908407-21ssh10:29:182
281970699411,36cyclictest2908407-21ssh10:29:182
2819705994135,3cyclictest0-21swapper/112:00:011
2819705994132,4cyclictest0-21swapper/109:49:181
2819705994130,8cyclictest698-21cron09:45:011
2819705994130,8cyclictest422-21dbus-daemon11:00:011
2819704994134,3cyclictest0-21swapper/011:49:260
2819706994033,4cyclictest2830198-21grep07:45:012
2819706994031,6cyclictest2855717-21unin-run09:10:012
2819705994033,3cyclictest0-21swapper/109:40:011
2819705994029,7cyclictest421-21avahi-daemon12:05:211
2819704994031,5cyclictest0-21swapper/010:14:200
2819704994031,5cyclictest0-21swapper/010:14:200
2819704994019,13cyclictest12450irq/32-eth009:14:140
281970499400,35cyclictest2977076-21ssh12:14:180
2819706993931,5cyclictest2876178-21ssh09:40:022
2819704993924,12cyclictest2846622-21unixbench_singl08:39:270
2819706993830,5cyclictest2967653-21ssh12:00:012
2819706993827,7cyclictest2889088-21cron10:00:012
281970599383,26cyclictest2950255-21ssh11:34:171
281970599383,26cyclictest2946785-21ssh11:29:171
2819705993832,3cyclictest0-21swapper/109:55:021
2819705993827,8cyclictest2921859-21switchtime10:49:291
2819705993827,8cyclictest2921859-21switchtime10:49:291
2819704993831,5cyclictest2882882-21kworker/u8:4+xprtiod10:34:140
2819704993831,5cyclictest2882882-21kworker/u8:4+xprtiod10:34:140
2819704993831,3cyclictest0-21swapper/010:04:170
2819704993829,6cyclictest959-21mta-sts-daemon10:55:010
2819704993829,6cyclictest422-21dbus-daemon11:30:020
2819706993731,3cyclictest0-21swapper/207:10:012
2819706993727,8cyclictest453-21systemd-logind09:55:022
2819705993731,3cyclictest2954509-21kworker/u8:11-xprtiod11:45:001
2819705993731,3cyclictest2954509-21kworker/u8:11-xprtiod11:45:001
2819705993730,4cyclictest2915576-21tail10:39:251
2819705993730,4cyclictest2915576-21tail10:39:251
2819705993728,6cyclictest1985041-21cups-browsed10:14:301
2819705993728,6cyclictest1985041-21cups-browsed10:14:301
2819704993731,3cyclictest0-21swapper/011:14:210
2819704993727,7cyclictest266-21systemd-journal11:00:010
281970699364,24cyclictest2898284-21ssh10:14:162
281970699364,24cyclictest2898284-21ssh10:14:162
2819706993628,5cyclictest422-21dbus-daemon12:34:072
2819706993625,8cyclictest2869273-21timerwakeupswit09:29:262
2819706993625,4cyclictest0-21swapper/209:44:212
2819705993628,5cyclictest422-21dbus-daemon12:05:011
2819705993628,5cyclictest2822732-21systemd-run07:20:011
2819705993628,5cyclictest0-21swapper/109:20:011
2819705993627,6cyclictest266-21systemd-journal07:57:191
2819705993627,6cyclictest0-21swapper/111:20:011
281970499363,24cyclictest2941137-21sshd11:19:220
2819704993622,9cyclictest2918246-21needreboot10:44:190
2819704993622,9cyclictest2918246-21needreboot10:44:190
281970499361,28cyclictest2878536-21ssh09:44:160
2819706993530,2cyclictest0-21swapper/207:55:012
2819706993527,5cyclictest2828688-21munin-plugin-st07:40:002
2819705993529,3cyclictest0-21swapper/108:50:021
2819705993527,5cyclictest2983669-21latency12:24:121
2819705993527,5cyclictest2953787-21proc_pri11:39:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional