You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-16 - 11:41
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 highest latencies:
System rack7slot8.osadl.org (updated Sun Nov 16, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23306211670,16sleep023309-21tr19:05:340
239569917743,16cyclictest10250irq/56-4a10000019:43:070
239569916632,15cyclictest10250irq/56-4a10000022:13:030
239569916338,19cyclictest7683-21ntpq00:20:410
23956991607,21cyclictest18597-21/usr/sbin/munin20:55:440
239569915951,13cyclictest10150irq/55-4a10000021:15:270
239569915938,20cyclictest760-21systemd-journal21:53:410
239569915937,109cyclictest970-21apt-get00:01:180
239569915929,16cyclictest5543-21apt-get00:16:060
239569915928,21cyclictest1356-21snmpd21:03:260
239569915746,13cyclictest10150irq/55-4a10000022:40:260
239569915737,15cyclictest19484-21/usr/sbin/munin23:05:160
239569915719,30cyclictest5601-21apt-config00:15:070
239569915635,19cyclictest18029-21sendmail23:00:010
23956991557,37cyclictest1356-21snmpd20:23:160
239569915553,90cyclictest11120-21/usr/sbin/munin20:26:030
239569915541,16cyclictest13048-21latency_hist22:40:050
239569915533,14cyclictest10150irq/55-4a10000019:10:160
239569915443,11cyclictest10150irq/55-4a10000023:10:230
239569915439,17cyclictest15044-21cpu20:40:230
239569915439,11cyclictest10150irq/55-4a10000020:30:160
239569915415,16cyclictest19289-21latency_hist23:05:040
23956991526,22cyclictest1356-21snmpd21:13:280
239569915249,16cyclictest25866-21/usr/sbin/munin21:20:520
239569915241,19cyclictest30726-21sshd19:35:470
239569915235,18cyclictest32322-21runrttasks23:55:190
239569915235,14cyclictest10150irq/55-4a10000020:53:230
239569915224,14cyclictest10250irq/56-4a10000023:24:110
23956991518,22cyclictest29442-21ntp_states19:30:470
239569915154,89cyclictest6829-21seq20:10:250
239569915121,12cyclictest0-21swapper/023:54:140
23956991508,31cyclictest8229-21wget22:20:150
239569915037,15cyclictest10150irq/55-4a10000019:15:330
239569915013,15cyclictest10250irq/56-4a10000021:38:540
23956991498,39cyclictest14425-21/usr/sbin/munin22:45:150
239569914934,19cyclictest885-21mailstats19:45:490
239569914931,30cyclictest101ktimersoftd/020:15:250
239569914854,12cyclictest101ktimersoftd/000:25:270
239569914841,14cyclictest2926-21seq21:58:550
239569914742,18cyclictest3181-21runrttasks00:05:400
239569914740,17cyclictest3600-21runrttasks22:00:430
239569914739,14cyclictest10150irq/55-4a10000000:30:440
23956991467,27cyclictest22611-21latency_hist21:10:030
239569914644,15cyclictest10150irq/55-4a10000023:35:260
239569914639,18cyclictest30430-21runrttasks23:49:160
239569914638,18cyclictest26272-21users23:30:560
239569914616,13cyclictest5239-21latency_hist20:05:030
23956991457,36cyclictest27460-21sshd21:28:460
239569914555,12cyclictest101ktimersoftd/021:45:210
239569914539,14cyclictest10150irq/55-4a10000019:50:200
239569914536,21cyclictest8039-21seq22:19:540
239569914438,19cyclictest13967-21runrttasks20:36:520
239569914438,17cyclictest5406-21runrttasks22:08:450
239569914339,17cyclictest28561-21ntp_states23:40:480
239569914338,16cyclictest4085-21latency_hist20:00:040
239569914337,18cyclictest23046-21sendmail23:20:020
239569914335,17cyclictest27727-21runrttasks21:30:100
239569914240,17cyclictest30838-21runrttasks21:40:490
239569914239,16cyclictest16496-21runrttasks22:52:380
239569914237,17cyclictest12072-21runrttasks00:39:210
239569914236,22cyclictest16720-21awk20:45:500
239569914145,15cyclictest5637-21cat20:05:300
239569914144,16cyclictest28693-21seq19:28:090
239569914039,15cyclictest10560-21latency_hist22:30:040
239569913933,19cyclictest9836-21ntp_states22:25:440
239569913932,20cyclictest25231-21runrttasks23:27:310
239569913850,10cyclictest101ktimersoftd/019:20:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional