You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-19 - 08:41
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Wed Nov 19, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2323021100,3sleep023231-21wc19:08:390
241679910315,78cyclictest23766-21sshd20:49:360
19124210014,16sleep03217-21snmpd23:54:310
280529914,15sleep03217-21snmpd19:46:100
957529814,16sleep09577-21crond20:08:020
2836629814,70sleep027801-21munin-node00:23:430
24167999715,73cyclictest11646-21runrttasks21:53:220
701029614,16sleep07043-21latency21:38:360
3134629613,15sleep031349-21iostat22:53:320
2978329614,16sleep029809-21if_err_eth000:28:300
24167999614,73cyclictest24920-21munin-node00:13:340
24167999614,73cyclictest21909-21seq00:03:420
195429614,15sleep01960-21entropy23:03:250
1024529614,16sleep09816-21munin-node21:48:340
3029729514,16sleep030305-21users22:49:060
24167999514,72cyclictest16309-21munin-node22:08:150
87329414,16sleep0876-21ntp_states00:38:490
3124929414,16sleep031252-21df_inode00:33:210
24167999414,71cyclictest26496-21munin-node22:38:370
2334929414,16sleep023352-21iostat00:08:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional