You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-02 - 05:47
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Sun Nov 02, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37389122269190,28sleep10-21swapper/119:08:121
37387552256180,59sleep00-21swapper/019:06:320
125899740,4rtkit-daemon1257-21rtkit-daemon22:00:360
125899630,5rtkit-daemon3740542-21sed19:10:260
373917099622,39cyclictest3759965-40apt-check20:00:150
373917099601,28cyclictest3798531-21date21:25:000
373917099600,29cyclictest3921085-40unattended-upgr00:12:250
3739170995812,24cyclictest3859356-21sh22:46:570
373917099570,32cyclictest3770488-21runrttasks20:25:220
373917099570,27cyclictest3779406-21cat20:50:000
373917099570,25cyclictest3767660-21sh20:20:000
373917099570,25cyclictest1-21systemd00:35:010
125899570,4rtkit-daemon1257-21rtkit-daemon00:09:360
373917099561,37cyclictest3868192-21apt-get23:00:150
373917099561,26cyclictest3929541-21cut00:25:010
373917099560,28cyclictest3792415-21grep21:15:250
373917099560,26cyclictest3816883-21date21:50:010
125899560,4rtkit-daemon0-21swapper/123:44:021
373917099552,26cyclictest3900416-21sh23:45:000
373917099551,29cyclictest3827598-21apt-get22:05:060
373917099551,28cyclictest3925796-21ssh00:19:510
373917099550,38cyclictest3809768-21apt-get21:40:120
373917099550,29cyclictest3751783-21expr19:40:170
373917099550,27cyclictest3940379-21munin-run00:40:010
373917099550,27cyclictest3838962-21taskset22:20:010
373917099550,25cyclictest1-21systemd22:55:010
125899550,4rtkit-daemon1257-21rtkit-daemon20:21:421
125899550,4rtkit-daemon1257-21rtkit-daemon00:12:261
373917099548,27cyclictest3843363-21cat22:25:190
373917099542,35cyclictest3929732-21apt-get00:25:140
373917099541,30cyclictest3846580-21/usr/sbin/munin22:30:150
3739170995412,31cyclictest3878028-21sh23:13:120
3739170995410,25cyclictest828-21runrttasks21:35:040
373917099540,25cyclictest3773571-21latency_hist20:35:010
373917099540,24cyclictest3882586-21latency_hist23:20:010
125899540,3rtkit-daemon0-21swapper/119:17:411
373917099531,36cyclictest3886380-21apt-get23:25:130
373917099531,32cyclictest3901251-21grep23:45:190
373917099531,28cyclictest3817630-21/usr/sbin/munin21:50:200
373917099530,38cyclictest3787479-21apt-get21:10:150
373917099530,27cyclictest3835318-21ssh22:14:550
373917099530,26cyclictest3782538-21switchtime20:55:240
373917099530,26cyclictest1-21systemd23:55:000
373917099530,25cyclictest3774679-21tr20:35:260
373917099530,24cyclictest3749493-21latency_hist19:35:010
373917099530,22cyclictest3824045-21unin-run22:00:000
125899530,3rtkit-daemon0-21swapper/123:11:401
3739170995212,28cyclictest3864500-21sh22:55:060
3739170995210,30cyclictest3892012-21sh23:32:170
373917099520,36cyclictest3787186-21diskmemload22:20:320
373917099520,30cyclictest3756988-21taskset19:51:380
373917099520,28cyclictest3912984-21taskset00:00:360
373917099520,27cyclictest3762706-21ntpq20:05:240
373917099520,23cyclictest3745594-21latency_hist19:25:010
125899520,5rtkit-daemon1257-21rtkit-daemon22:36:151
125899520,5rtkit-daemon1257-21rtkit-daemon22:36:151
125899520,4rtkit-daemon1257-21rtkit-daemon22:48:001
125899520,4rtkit-daemon1257-21rtkit-daemon22:19:351
125899520,4rtkit-daemon1257-21rtkit-daemon20:32:151
125899520,4rtkit-daemon1257-21rtkit-daemon19:46:011
125899520,4rtkit-daemon1257-21rtkit-daemon00:05:051
373917099510,39cyclictest3895694-21taskset23:37:300
373917099510,30cyclictest3786664-21awk21:05:270
373917099510,27cyclictest3799201-21awk21:25:190
373917099510,27cyclictest3781185-21taskset20:53:450
373917099510,26cyclictest3883830-21sendmail_mailtr23:20:240
373917099510,26cyclictest3851145-21grep22:35:270
373917099510,26cyclictest3851145-21grep22:35:270
125899510,5rtkit-daemon1257-21rtkit-daemon21:59:151
125899510,4rtkit-daemon1257-21rtkit-daemon22:42:301
125899510,4rtkit-daemon1257-21rtkit-daemon21:37:111
125899510,4rtkit-daemon1257-21rtkit-daemon20:47:371
125899510,4rtkit-daemon1257-21rtkit-daemon20:43:351
125899510,4rtkit-daemon1257-21rtkit-daemon20:38:361
125899510,4rtkit-daemon1257-21rtkit-daemon00:22:481
125899510,4rtkit-daemon1257-21rtkit-daemon00:19:481
125899510,3rtkit-daemon1257-21rtkit-daemon22:14:551
373917099501,34cyclictest3853683-21apt-get22:40:130
373917099500,34cyclictest3907934-21apt-get23:55:130
373917099500,29cyclictest3757886-21grep19:55:190
373917099500,28cyclictest3804576-21ssh21:32:340
373917099500,28cyclictest3776409-21ntpq20:40:220
373917099500,28cyclictest3750515-21cut19:35:240
373917099500,28cyclictest3742608-21ntpq19:15:250
125899500,4rtkit-daemon1257-21rtkit-daemon21:54:021
125899500,4rtkit-daemon1257-21rtkit-daemon20:54:001
125899500,4rtkit-daemon1257-21rtkit-daemon00:38:221
125899500,1rtkit-daemon1257-21rtkit-daemon23:53:541
125899500,1rtkit-daemon1257-21rtkit-daemon22:55:241
373917099490,29cyclictest3872456-21/usr/sbin/munin23:05:210
373917099490,28cyclictest3768147-21cut20:20:200
373917099490,28cyclictest3746529-21ntpq19:25:220
125899490,4rtkit-daemon1257-21rtkit-daemon22:26:551
125899490,4rtkit-daemon1257-21rtkit-daemon22:03:491
125899490,4rtkit-daemon1257-21rtkit-daemon21:46:251
125899490,4rtkit-daemon1257-21rtkit-daemon21:13:121
125899490,4rtkit-daemon1257-21rtkit-daemon21:07:521
373917099481,25cyclictest3754647-21expr19:45:270
373917099480,36cyclictest3764563-21sed20:10:250
373917099480,36cyclictest3764563-21sed20:10:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional