You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-21 - 19:54
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot7.osadl.org (updated Sat Mar 21, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23033991253,39cyclictest7781-21ssh09:20:450
230339912157,57cyclictest4040-21apt-key09:14:520
23033991174,51cyclictest6562-21latency_hist11:59:490
23033991174,51cyclictest6562-21latency_hist11:59:490
230339911641,19cyclictest26979-21latency_hist11:39:510
23033991153,53cyclictest21669-21cat12:24:490
23033991153,53cyclictest21669-21cat12:24:490
23033991134,48cyclictest27313-21ssh11:40:020
23033991134,48cyclictest27313-21ssh11:40:020
23033991133,49cyclictest0-21swapper/010:43:480
23033991133,28cyclictest18183-21grep10:30:220
23033991123,30cyclictest13298-21grep12:10:130
23033991122,33cyclictest23194-21/usr/sbin/munin07:05:090
23033991122,33cyclictest23194-21/usr/sbin/munin07:05:090
230339910942,15cyclictest9545-21tune2fs11:10:090
230339910942,15cyclictest9545-21tune2fs11:10:090
23033991083,41cyclictest32418-21apt-key10:54:510
23033991083,26cyclictest22361-21runrttasks12:25:320
23033991074,49cyclictest4661-21cstates09:15:470
23033991074,49cyclictest4661-21cstates09:15:470
23033991074,38cyclictest16993-21latency_hist10:29:490
23033991073,44cyclictest23170-21timerandwakeup08:40:240
23033991073,43cyclictest12593-21fschecks_time11:15:090
23033991072,33cyclictest30613-21idleruntime11:45:100
23033991064,42cyclictest19808-21switchtime08:30:220
23033991064,42cyclictest19808-21switchtime08:30:220
230339910635,12cyclictest0-21swapper/010:56:000
23033991063,37cyclictest352-21runrttasks11:03:000
23033991063,37cyclictest352-21runrttasks11:03:000
23033991035,37cyclictest22977-21fschecks_count09:45:090
23033991034,37cyclictest25120-21cstates12:30:040
23033991034,36cyclictest19340-21unixbench_singl11:25:230
23033991034,36cyclictest19340-21unixbench_singl11:25:230
23033991033,42cyclictest27271-21latency07:15:120
23033991033,38cyclictest28107-21grep08:55:220
23033991033,18cyclictest29840-21munin-plugin-st07:24:480
23033991025,34cyclictest13902-21apt-key08:14:500
23033991024,39cyclictest15337-21cpu11:20:040
23033991023,40cyclictest352-21runrttasks10:22:070
23033991014,22cyclictest19382-21grep09:39:500
23033991014,22cyclictest19382-21grep09:39:500
23033991013,37cyclictest21007-21fschecks_time08:35:100
23033991013,37cyclictest21007-21fschecks_time08:35:100
23033991004,44cyclictest26483-21unixbench_multi08:50:230
23033991004,41cyclictest8804-21/usr/sbin/munin10:15:160
23033991004,41cyclictest8804-21/usr/sbin/munin10:15:160
23033991004,38cyclictest352-21runrttasks11:29:550
2303399995,49cyclictest25748-21ssh09:50:050
2303399994,36cyclictest30337-21latency_hist09:04:510
2303399994,34cyclictest352-21runrttasks12:02:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional