You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-02-27 - 01:49
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 Mon Feb 26, 2024 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11484212917,24sleep011490-21diskstats07:55:260
21991211114,84sleep022009-21munin-node11:45:450
13149210514,17sleep013156-21sa111:19:550
28354210414,16sleep028374-21munin-node10:25:450
18457210414,16sleep018455-21ntp_states08:15:510
31249210114,16sleep031289-21wget12:15:190
26537210114,15sleep026589-21fschecks_time12:00:290
15359210013,15sleep015367-21munin-node11:25:380
722229915,16sleep07225-21irqstats11:00:370
520229915,16sleep05216-21latency_hist12:34:560
1309129814,16sleep03233-21snmpd12:57:540
665129714,17sleep06659-21latency_hist10:59:560
2656329714,16sleep026589-21cut10:20:370
1471829714,16sleep014747-21df_inode08:05:210
894329614,16sleep08947-21hddtemp_smartct12:45:320
417129615,16sleep04169-21ntp_states10:50:480
2229729614,15sleep022320-21processes13:25:530
225129514,16sleep02257-21iostat10:45:340
12888999515,71cyclictest23206-21missed_timers08:30:400
12888999515,71cyclictest10300-21aten_r4power_vo12:50:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional