You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-23 - 23:16

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 #4, slot #6

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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot6s.osadl.org (updated Thu Jul 23, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
806122460,2sleep08060-21ntpq09:30:240
2131922400,3sleep021318-21wc08:15:270
642321270,4chrt6422-21/usr/sbin/munin11:30:150
39559912626,13cyclictest8512-21runrttasks11:38:170
39559912526,14cyclictest14042-21runrttasks09:54:490
3955991208,96cyclictest5342-21/usr/sbin/munin07:15:220
39559912010,18cyclictest19512-21irqstats10:15:170
39559911723,16cyclictest26189-21/usr/sbin/munin10:40:250
39559911710,15cyclictest2357-21sshd09:09:180
3955991169,17cyclictest32651-21memory09:00:180
3955991159,15cyclictest31411-21/usr/sbin/munin11:00:250
3955991159,14cyclictest13154-21df07:45:140
39559911523,14cyclictest21969-21munin-node10:25:120
39559911510,18cyclictest8127-21memory07:25:180
3955991149,14cyclictest16316-21sshd12:08:170
3955991148,17cyclictest6659-21/usr/sbin/munin07:20:210
3955991148,16cyclictest12234-21systemctl07:40:260
39559911434,70cyclictest16482-21runrttasks10:03:270
39559911433,71cyclictest19624-21/usr/sbin/munin08:10:140
39559911428,74cyclictest15858-21/usr/sbin/munin07:55:190
39559911427,15cyclictest24121-21runrttasks08:26:100
39559911426,14cyclictest4055-21/usr/sbin/munin07:10:110
39559911422,14cyclictest285-21sshd09:46:170
39559911410,17cyclictest9102-21df_inode09:35:130
1403921140,5chrt14040-21grep12:00:110
3955991138,17cyclictest24901-21memory08:30:180
3955991138,15cyclictest20764-21/usr/sbin/munin10:20:130
3955991138,15cyclictest16849-21df10:05:100
39559911329,73cyclictest18134-21/usr/sbin/munin10:10:120
39559911328,13cyclictest23118-21runrttasks08:23:310
39559911326,15cyclictest9838-21runrttasks07:30:340
39559911313,18cyclictest20535-21/usr/sbin/munin12:25:290
3955991129,15cyclictest15142-21sshd09:58:170
3955991129,13cyclictest32579-21ntp_states11:05:210
3955991127,14cyclictest19953-21sshd12:21:140
39559911228,72cyclictest4970-21runrttasks09:19:290
39559911225,14cyclictest29684-21runrttasks08:49:340
39559911224,15cyclictest4499-21runrttasks11:21:550
3955991119,16cyclictest6396-21latency_hist09:25:010
3955991119,13cyclictest25331-21seq10:37:050
3955991118,16cyclictest14670-21/usr/sbin/munin07:50:220
3955991118,13cyclictest23438-21sshd10:30:170
3955991117,15cyclictest30157-21mailstats10:55:250
39559911122,16cyclictest27955-21runrttasks10:47:200
39559911112,21cyclictest5147-21irqstats11:25:170
39559911111,13cyclictest16943-21ntp_states12:10:230
3955991109,17cyclictest28670-21ntpq10:50:220
3955991109,17cyclictest1298-21memory11:10:170
3955991108,15cyclictest288-21snmpd09:10:160
3955991108,15cyclictest288-21snmpd08:07:490
3955991106,14cyclictest9224-21proc_pri11:40:250
39559911025,14cyclictest10349-21/usr/sbin/munin09:40:110
39559911010,19cyclictest17270-21ntp_states08:00:240
1832821100,3sleep018330-21processes12:15:240
3955991099,16cyclictest24277-21awk12:40:000
3955991099,14cyclictest12726-21chrt11:55:100
3955991098,15cyclictest32342-21grep09:00:000
3955991098,15cyclictest26883-21runrttasks08:37:500
3955991096,16cyclictest10878-21chrt07:35:260
3955991088,14cyclictest114-21systemd-journal11:18:170
3955991087,16cyclictest3965-21grep07:10:020
39559910820,16cyclictest10770-21runrttasks11:45:310
39559910810,27cyclictest21898-21forks12:30:140
39559910810,17cyclictest6581-21/usr/sbin/munin09:25:150
39559910810,17cyclictest30476-21/usr/sbin/munin08:50:300
39559910720,13cyclictest27771-21cut08:40:260
3955991058,13cyclictest11442-21/usr/sbin/munin11:50:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional