You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-02 - 12:34
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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot2.osadl.org (updated Wed Jul 02, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43455722800,3sleep0434558-21latency_hist19:35:070
51774822530,3sleep0517750-21ssh23:55:230
52959022490,2sleep0529588-21apt00:30:130
46125522470,2sleep0461256-21/usr/sbin/munin21:10:320
49892722400,2sleep0498929-21ssh23:00:260
46677522370,3chrt466768-21ntpq21:26:170
45614522340,3chrt456143-21mailstats20:51:150
51097422330,3chrt510976-21if_eth023:35:340
50549422320,3sleep0505495-21latency_hist23:20:000
48166922310,3chrt4193330-21munin-node22:10:130
50262522260,3chrt502626-21ssh23:10:520
49219922000,2sleep0492201-21grep22:40:400
46876221900,2sleep0468763-21run-parts21:31:550
49046321890,3chrt490466-21sed22:35:370
42748299186152,22cyclictest529440-21true00:30:040
48692221820,2sleep0486923-21sh22:25:250
45161421820,2sleep0451617-21missed_timers20:35:330
50625121760,5chrt506246-21ntpq23:21:300
45055721750,3sleep0450598-21mailstats20:31:180
52233321740,4chrt522332-21ssh00:08:300
44497321720,3chrt444368-21/usr/sbin/munin20:11:170
42748299172127,21cyclictest526971-21mailstats00:21:500
49732821670,4chrt497327-21grep22:55:360
43495521640,3chrt434956-21ld19:35:360
51515621630,4chrt515159-21timerwakeupswit23:47:030
46095721620,3chrt460956-21true21:10:040
44691321620,4chrt446912-21sshd20:19:180
49414621600,4chrt494141-21ntpq22:46:090
47947321600,4chrt479471-21ssh22:03:190
43637021600,3chrt436369-21ld19:40:370
42748299158128,20cyclictest84-21jbd2/mmcblk0p2-00:05:050
42748299152122,20cyclictest29-21kswapd000:10:310
42748299149118,20cyclictest84-21jbd2/mmcblk0p2-22:20:100
42748299141110,19cyclictest84-21jbd2/mmcblk0p2-21:00:050
42748299138109,19cyclictest84-21jbd2/mmcblk0p2-22:31:520
42748299138108,21cyclictest29-21kswapd023:31:350
42748299138107,19cyclictest84-21jbd2/mmcblk0p2-00:40:040
42748299136108,19cyclictest460958-21kworker/u2:221:41:010
42748299136106,20cyclictest29-21kswapd022:51:490
42748299136105,20cyclictest84-21jbd2/mmcblk0p2-23:10:050
45959021300,3sleep0459591-21ls21:05:050
4274829912898,19cyclictest84-21jbd2/mmcblk0p2-00:15:120
4274829912799,19cyclictest460958-21kworker/u2:221:21:200
4274829912796,21cyclictest457258-21kworker/u2:021:36:170
4274829912594,20cyclictest84-21jbd2/mmcblk0p2-23:30:100
4274829912594,20cyclictest84-21jbd2/mmcblk0p2-19:30:030
51285521220,2sleep0512856-21netstat23:40:430
4274829911888,19cyclictest84-21jbd2/mmcblk0p2-19:25:010
4274829911383,19cyclictest438676-21kworker/u2:019:54:200
4274829911280,20cyclictest84-21jbd2/mmcblk0p2-19:15:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional