You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-05 - 14:48

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 Dec 05, 2025 12:39:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134640995741,12cyclictest422-21dbus-daemon10:10:012
134639995544,8cyclictest240336-21gltestperf11:24:141
134640995447,3cyclictest0-21swapper/209:45:002
134640995447,3cyclictest0-21swapper/209:45:002
134638995236,13cyclictest136142-21systemd-run07:15:010
134638995236,13cyclictest136142-21systemd-run07:15:010
134638995040,4cyclictest0-21swapper/011:34:210
134638994937,9cyclictest160498-21timerwakeupswit09:24:310
134638994935,6cyclictest12450irq/32-eth011:14:330
134639994839,6cyclictest422-21dbus-daemon11:45:011
134639994837,7cyclictest195184-21munin-plugin-st10:15:011
13464099472,39cyclictest225027-21ssh10:59:482
134639994738,6cyclictest266-21systemd-journal12:00:011
134638994711,31cyclictest184219-21ssh09:59:220
134640994537,5cyclictest282912-21systemd-run12:25:012
134639994537,5cyclictest185152-21latency_hist10:00:021
134638994535,7cyclictest251631-21grep11:40:010
13463899452,35cyclictest268152-21ssh12:04:190
134639994437,3cyclictest0-21swapper/109:29:231
134639994436,5cyclictest290313-21latency_hist12:35:021
134638994437,4cyclictest236944-21cpuspeed11:19:120
134638994432,9cyclictest171091-21kworker/u8:15+xprtiod10:15:010
134640994335,5cyclictest255269-21idleruntime-cro11:45:012
134640994335,5cyclictest181439-21cron09:55:012
134640994334,5cyclictest161026-21latency_hist09:25:032
134638994332,9cyclictest232180-21munin-run11:10:020
134638994322,13cyclictest12550irq/33-eth011:59:180
134640994234,5cyclictest1-21systemd12:30:022
134640994210,27cyclictest250745-21ssh11:39:182
134639994232,6cyclictest286592-21true12:30:011
134639994231,8cyclictest157591-21sendmail09:20:011
134638994230,9cyclictest281729-21rm12:24:150
134638994229,10cyclictest0-21swapper/009:55:010
13464099413,30cyclictest194404-21ssh10:14:222
13463899411,36cyclictest293238-21ssh12:39:240
134639994034,3cyclictest0-21swapper/110:54:201
134639994032,5cyclictest257620-21/usr/sbin/munin11:49:141
134639994032,5cyclictest154110-21debian-sa109:15:011
134639994032,5cyclictest146826-21sendmail08:40:011
13463999402,31cyclictest218272-21ssh10:49:201
134639994017,10cyclictest150882-21diskmemload11:29:211
13464099399,22cyclictest204815-21sshd10:29:262
134640993931,5cyclictest959-21mta-sts-daemon12:33:592
134640993931,5cyclictest279129-21munin-plugin-st12:20:012
134640993931,5cyclictest136430-21systemd-run07:20:012
13463999396,25cyclictest293048-21ssh12:39:171
134639993931,5cyclictest236824-21aten_r2power_po11:19:111
134639993929,6cyclictest3499535-21cups-browsed12:03:451
13463899393,8cyclictest197896-21ssh10:19:220
134638993927,6cyclictest163670-21sh09:29:270
134640993830,5cyclictest188410-21munin-plugin-st10:05:012
134640993828,4cyclictest0-21swapper/209:59:232
134640993826,8cyclictest3499535-21cups-browsed10:43:262
134638993833,2cyclictest0-21swapper/011:50:010
134638993832,3cyclictest171079-21basename09:40:010
134640993731,3cyclictest0-21swapper/212:00:012
134640993730,4cyclictest1-21systemd11:20:022
134640993729,5cyclictest222222-21unixbench_multi10:54:322
134640993729,5cyclictest171056-21ls09:40:002
134640993729,5cyclictest148345-21systemd-run08:45:022
134640993728,6cyclictest178156-21grep09:50:002
134640993727,7cyclictest233596-21aten_r2power_fr11:14:172
13463999373,27cyclictest271368-21ssh12:09:251
134639993729,5cyclictest146291-21munin-plugin-st08:30:011
134639993729,4cyclictest0-21swapper/111:34:221
134639993728,6cyclictest437-21mta-sts-daemon09:44:221
134639993728,6cyclictest437-21mta-sts-daemon09:44:221
13463999371,3cyclictest0-21swapper/110:24:221
134638993731,4cyclictest1-21systemd11:45:010
134638993730,4cyclictest957-21mta-sts-daemon12:29:220
134638993725,8cyclictest205697-21wc10:30:020
134640993630,3cyclictest0-21swapper/209:20:012
134640993625,8cyclictest271695-21timerandwakeup12:09:322
134639993628,5cyclictest232169-21ssh11:10:021
134639993628,5cyclictest208939-21idleruntime-cro10:35:011
134639993628,4cyclictest0-21swapper/110:44:171
134639993627,5cyclictest0-21swapper/111:40:011
13463999362,25cyclictest170320-21ssh09:39:221
134638993631,2cyclictest0-21swapper/009:44:130
134638993631,2cyclictest0-21swapper/009:44:130
134638993628,5cyclictest3499511-21cupsd12:19:180
13464099352,24cyclictest243997-21ssh11:29:242
134640993521,11cyclictest247657-21switchtime11:34:322
134640993517,9cyclictest150882-21diskmemload11:54:252
13463999353,23cyclictest266-21systemd-journal09:24:261
134639993525,4cyclictest0-21swapper/110:04:231
134639993523,3cyclictest171rcu_preempt08:14:201
134638993527,5cyclictest266-21systemd-journal09:50:010
134638993521,5cyclictest272126-21sh12:10:010
134640993427,4cyclictest198714-21grep10:20:012
134640993426,5cyclictest146321-21latency_hist08:30:022
134640993426,4cyclictest0-21swapper/211:24:192
134640993425,4cyclictest0-21swapper/207:29:202
134639993427,4cyclictest0-21swapper/112:25:021
134639993426,5cyclictest0-21swapper/107:20:011
134639993423,5cyclictest0-21swapper/112:19:211
134638993426,5cyclictest212250-21cron10:40:010
134638993426,5cyclictest212250-21cron10:40:010
134638993424,7cyclictest191852-21latency_hist10:10:020
134638993418,13cyclictest289788-21threads12:34:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional