You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-16 - 10:34
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 100 highest latencies:
System rack3slot2.osadl.org (updated Sun Nov 16, 2025 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59247626740,3sleep0592477-21df19:05:190
63593322620,3chrt635934-21ssh21:35:230
68967122560,2sleep0689674-21sed00:11:590
65865322520,3chrt658651-21ntp_states22:41:250
67366322510,3sleep0673664-21if_eth023:25:330
64535922500,2sleep0645360-21awk22:02:030
62359722490,3chrt623595-21ntpq20:56:130
67053122440,4chrt670516-21ntpq23:16:100
62463322430,2chrt624632-21awk21:00:230
63116622230,4chrt631162-21ntpq21:21:010
61923422140,3sleep0619236-21sed20:40:330
62049722110,2sleep0620500-21cut20:45:290
69592422080,3sleep0695925-21cat00:30:430
65156722060,3sleep0651570-21sort22:20:430
64782722020,2sleep0647825-21apt22:10:130
62885322000,2sleep0628857-21cut21:15:000
59365599197168,18cyclictest627567-21kworker/u2:321:25:280
59365599192163,18cyclictest676314-21kworker/u2:123:35:300
59365599192162,18cyclictest599726-21kworker/u2:119:45:050
59365599191160,19cyclictest662598-21kworker/u2:023:25:040
59365599189158,19cyclictest605318-21kworker/u2:020:05:040
59365599188158,19cyclictest686651-21kworker/u2:200:17:010
67991721870,2sleep0679918-21rm23:43:460
59365599187155,21cyclictest685873-21munin-node00:00:500
59365599186154,20cyclictest84-21jbd2/mmcblk0p2-19:50:040
59365599185155,18cyclictest642400-21kworker/u2:322:00:040
63502321830,4chrt635025-21timerandwakeup21:31:590
59365599183156,17cyclictest686651-21kworker/u2:200:30:070
66736721800,3chrt666614-21/usr/sbin/munin23:06:520
59365599178147,19cyclictest648993-21kworker/u2:122:50:050
59365599177150,17cyclictest679797-21kworker/u2:223:55:050
66200921760,4chrt662007-21ssh22:51:160
59365599176146,19cyclictest630112-21kworker/u2:221:20:040
59365599173145,18cyclictest648993-21kworker/u2:122:30:040
69338321720,4chrt627134-21diskmemload00:23:070
59365599172143,18cyclictest662598-21kworker/u2:023:05:050
59365599172141,19cyclictest696611-21kworker/u2:300:35:240
62613721700,4chrt626135-21memory21:05:280
59365599170142,18cyclictest607629-21kworker/u2:120:10:040
59365599170141,18cyclictest638711-21kworker/u2:121:50:080
59365599170140,19cyclictest642400-21kworker/u2:322:20:030
61783921680,4chrt617836-21ntpq20:35:370
59798121680,2sleep022-21kcompactd019:25:140
62209021670,3chrt622084-21ntpq20:50:470
59365599167139,18cyclictest638711-21kworker/u2:121:52:000
68094521650,3chrt680946-21ssh23:46:300
66886421650,4chrt668860-21ntpq23:11:190
63921121650,2sleep0639213-21grep21:45:100
59365599163135,17cyclictest683056-21kworker/u2:300:10:050
60115321620,3chrt601154-21collect219:35:480
59966221620,4chrt599661-21/usr/sbin/munin19:30:310
59365599161132,18cyclictest612278-21kworker/u2:020:26:290
59365599161132,18cyclictest595535-21kworker/u2:019:25:030
59365599155128,17cyclictest644151-21kworker/u2:022:10:050
59365599153125,17cyclictest593942-21kworker/u2:119:20:060
59365599153123,19cyclictest610406-21kworker/u2:220:15:070
59365599153123,18cyclictest605318-21kworker/u2:019:55:420
59365599151122,18cyclictest615991-21kworker/u2:120:31:240
59365599150120,19cyclictest612278-21kworker/u2:020:20:440
59365599150120,19cyclictest599726-21kworker/u2:119:50:380
59365599148120,17cyclictest607629-21kworker/u2:120:20:010
59365599147118,18cyclictest679797-21kworker/u2:223:56:190
59365599146118,17cyclictest648993-21kworker/u2:122:36:590
59365599146116,18cyclictest664715-21kworker/u2:323:31:540
59365599144116,18cyclictest648993-21kworker/u2:122:56:590
59365599133104,18cyclictest648993-21kworker/u2:122:30:260
59365599132102,19cyclictest593942-21kworker/u2:119:10:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional