You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-17 - 16:42

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 Fri Jul 17, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3087606997448,23cyclictest3223726-21latency_hist09:25:010
3087609996151,7cyclictest281-21systemd-journal11:10:001
3087609996047,9cyclictest3253326-21apt-get09:55:011
3087606995931,25cyclictest281-21systemd-journal12:25:410
3087606995133,16cyclictest3238977-21apt-get09:42:250
32644892500,6chrt451irq_work/310:07:293
3087606994938,8cyclictest3337784-21latency_hist11:20:010
3087611994739,6cyclictest281-21systemd-journal10:27:412
3087611994633,10cyclictest3272589-21ntpq10:12:362
3087609994638,6cyclictest3082762-21kworker/u8:1+flush-8:007:47:281
3087606994534,9cyclictest3158472-21ntpq08:17:360
3087606994534,8cyclictest3376624-21ntpq11:57:350
31748332440,3chrt0-21swapper/208:37:292
3087609994436,5cyclictest3233589-21latency_hist09:35:001
3087609994337,4cyclictest3214263-21apt-get09:17:231
3087609994336,5cyclictest3149328-21kworker/u8:3+events_unbound10:02:431
3087606994333,7cyclictest281-21systemd-journal09:30:000
3087606994315,13cyclictest281-21systemd-journal09:00:410
3087611994235,5cyclictest281-21systemd-journal10:00:002
3087611994135,4cyclictest3030332-21kworker/u8:0+flush-8:008:22:422
3087611994134,5cyclictest3232802-21ntpq09:32:342
3087609994133,6cyclictest3094843-21apt-get07:17:231
3087609994027,10cyclictest281-21systemd-journal10:22:411
3087606994020,3cyclictest3099117-21unixbench_multi07:17:440
3087609993926,9cyclictest3119415-21latency_hist07:40:001
3087606993922,15cyclictest0-21swapper/007:40:000
3087606993921,2cyclictest3303098-21systemd-run10:45:010
3087606993919,4cyclictest3183719-21unixbench_singl08:42:430
3087606993919,3cyclictest384-21dbus-daemon09:10:000
3087609993832,4cyclictest3313219-21kworker/u8:4+flush-8:011:42:361
3087611993729,6cyclictest3183250-21ntpq08:42:382
3087609993729,6cyclictest3308482-21/usr/sbin/munin10:52:411
3087609993729,5cyclictest281-21systemd-journal08:16:421
3087606993729,6cyclictest3273371-21latency_hist10:15:020
3087611993631,4cyclictest3149328-21kworker/u8:3+flush-8:008:17:392
3087611993627,7cyclictest281-21systemd-journal08:55:002
3087606993626,8cyclictest3398080-21diskstats12:22:270
308760699362,22cyclictest0-21swapper/011:52:400
3087606993618,4cyclictest3173290-21ntp_kernel_pll_08:32:360
3087609993530,4cyclictest3030332-21kworker/u8:0+flush-8:007:22:431
3087609993530,3cyclictest3417158-21idleruntime-cro12:40:001
3087609993529,4cyclictest3373191-21cut11:57:261
3087609993525,8cyclictest3391715-21ntpq12:12:361
308760699358,5cyclictest3166095-21tr08:27:320
308760699358,5cyclictest3166095-21tr08:27:320
3087606993526,7cyclictest3308081-21latency_hist10:50:010
3087606993518,2cyclictest0-21swapper/008:37:270
3087609993428,4cyclictest3139874-21apt-get08:02:241
3087609993428,4cyclictest3030332-21kworker/u8:0+flush-8:007:52:421
3087609993427,5cyclictest3313218-21kworker/u8:3+events_unbound11:27:261
3087609993427,5cyclictest3208920-21kworker/u8:2+events_unbound09:30:001
3087606993425,6cyclictest3312990-21latency_hist10:55:010
308760699342,31cyclictest0-21swapper/007:52:430
3087611993328,4cyclictest3233421-21kworker/u8:0+flush-8:010:07:422
3087611993326,5cyclictest281-21systemd-journal07:30:002
3087611993325,6cyclictest281-21systemd-journal09:45:002
3087609993328,3cyclictest3030332-21kworker/u8:0+flush-8:008:42:421
3087609993326,5cyclictest3313219-21kworker/u8:4+events_unbound11:15:011
3087609993326,5cyclictest3271007-21kthreadcore10:12:331
3087606993326,5cyclictest3030332-21kworker/u8:0+flush-8:008:22:480
3087606993322,8cyclictest281-21systemd-journal11:35:000
3087609993228,3cyclictest3082762-21kworker/u8:1+flush-8:007:40:351
3087609993227,4cyclictest3030332-21kworker/u8:0+events_unbound07:32:411
3087609993227,4cyclictest3030332-21kworker/u8:0+events_unbound07:32:411
3087609993226,5cyclictest3313219-21kworker/u8:4+flush-8:012:02:341
3087609993226,4cyclictest3204677-21fschecks_time09:07:271
3087609993226,4cyclictest3203920-21cron09:05:001
3087609993225,5cyclictest3401645-21kworker/u8:0+flush-8:012:27:401
3087609993223,6cyclictest281-21systemd-journal09:23:411
3087606993226,4cyclictest3030332-21kworker/u8:0+flush-8:008:12:310
3087606993221,1cyclictest0-21swapper/007:32:420
3087606993221,1cyclictest0-21swapper/007:32:420
30828392324,9sleep20-21swapper/207:06:062
3087611993125,4cyclictest3293151-21kworker/u8:2+events_unbound10:35:002
3087609993126,3cyclictest384-21dbus-daemon10:00:001
3087609993126,3cyclictest0-21swapper/109:40:001
3087609993125,4cyclictest3372462-21cron11:55:001
3087609993125,4cyclictest3174487-21apt-get08:37:241
3087609993123,6cyclictest3149328-21kworker/u8:3+events_unbound09:12:381
3087609993122,7cyclictest3173378-21ntpq08:32:381
3087609993121,7cyclictest3169117-21latency_hist08:30:011
3087609993121,7cyclictest3169117-21latency_hist08:30:001
3087606993124,5cyclictest281-21systemd-journal12:02:090
3087609993026,2cyclictest3268209-21kworker/u8:1+events_unbound10:27:261
3087609993023,5cyclictest3149328-21kworker/u8:3+events_unbound09:47:411
3087606993027,2cyclictest1-21systemd11:04:410
3087606993026,3cyclictest3332804-21cron11:15:000
3087606993022,6cyclictest3092483-21latency_hist07:15:010
3087611992918,8cyclictest281-21systemd-journal07:47:422
3087609992925,2cyclictest3298125-21idleruntime-cro10:40:001
3087609992924,4cyclictest3313219-21kworker/u8:4+flush-8:011:37:421
3087609992924,4cyclictest3313219-21kworker/u8:4+flush-8:011:37:421
3087609992924,3cyclictest3304234-21irqrtprio10:47:301
3087609992924,3cyclictest3188866-21systemd-run08:50:001
3087609992923,4cyclictest3293151-21kworker/u8:2+events_unbound11:22:411
3087609992922,5cyclictest3091828-21ntpq07:12:401
3087609992920,6cyclictest3154245-21latency_hist08:15:011
3087606992925,3cyclictest3340457-21kthreadcore11:22:320
3087606992925,2cyclictest0-21swapper/012:20:000
3087606992922,6cyclictest3293151-21kworker/u8:2+flush-8:011:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional