You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-25 - 21:02
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 100 highest latencies:
System rack7slot8.osadl.org (updated Thu Apr 25, 2024 14:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
788928350,12sleep07888-21awk07:05:470
88679918344,30cyclictest3650irq/20-4900000007:47:520
88679917553,28cyclictest3650irq/20-4900000008:29:360
88679917138,30cyclictest3650irq/20-4900000010:17:390
88679917048,14cyclictest10150irq/55-4a10000011:45:150
88679916942,30cyclictest3650irq/20-4900000010:35:490
88679916840,13cyclictest10150irq/55-4a10000011:21:190
8867991667,18cyclictest20630-21nodejs11:56:200
88679916647,29cyclictest3650irq/20-4900000010:00:020
8867991648,17cyclictest21526-21nodejs12:00:350
88679916451,14cyclictest10150irq/55-4a10000009:25:180
88679916450,21cyclictest19889-21cpu07:50:210
88679916331,35cyclictest27380-21aten_r7power_vo10:20:210
88679916254,15cyclictest6636-21mailstats09:01:430
88679916251,13cyclictest10150irq/55-4a10000007:23:360
88679916249,15cyclictest10150irq/55-4a10000011:30:420
88679916156,16cyclictest32061-21cron12:40:010
88679916146,15cyclictest10150irq/55-4a10000009:47:520
8867991609,21cyclictest4513-21nodejs08:55:030
88679916061,15cyclictest19111-21aten_r7power_en11:50:150
88679916040,30cyclictest3650irq/20-4900000007:35:530
88679916040,29cyclictest3650irq/20-4900000008:00:180
88679915848,20cyclictest1166-21runrttasks08:41:170
88679915762,12cyclictest101ktimersoftd/007:16:330
88679915760,13cyclictest101ktimersoftd/011:11:590
88679915747,14cyclictest10150irq/55-4a10000009:22:410
88679915712,34cyclictest1436-21nginx10:07:040
88679915647,14cyclictest10150irq/55-4a10000008:33:460
88679915561,9cyclictest101ktimersoftd/010:33:050
88679915561,12cyclictest101ktimersoftd/009:17:100
88679915553,16cyclictest4692-21tr08:55:120
88679915529,17cyclictest822-21rs:main0
88679915447,15cyclictest10150irq/55-4a10000011:47:490
88679915444,15cyclictest10150irq/55-4a10000007:55:460
8867991539,46cyclictest8410-21nodejs09:09:450
88679915356,12cyclictest101ktimersoftd/010:00:530
88679915354,16cyclictest15273-21basename09:35:200
88679915348,16cyclictest10150irq/55-4a10000012:06:460
88679915346,20cyclictest16543-21aten_r7power_en09:40:160
8867991528,16cyclictest330-21nodejs08:38:540
88679915251,14cyclictest10150irq/55-4a10000011:06:060
88679915250,11cyclictest10150irq/55-4a10000012:17:390
88679915249,14cyclictest10150irq/55-4a10000007:11:180
88679915147,13cyclictest10150irq/55-4a10000008:06:310
8867991506,33cyclictest1574-21latency_hist10:45:070
88679915046,18cyclictest13955-21aten_r7power_vo09:30:170
88679915044,23cyclictest24647-21irqstats12:10:580
88679915042,27cyclictest10019-21ntp_kernel_pll_11:16:180
8867991498,30cyclictest29456-21latency_hist12:30:060
88679914951,14cyclictest10150irq/55-4a10000010:26:570
88679914247,14cyclictest10150irq/55-4a10000007:31:220
88679914245,26cyclictest101ktimersoftd/010:58:080
88679913959,11cyclictest101ktimersoftd/007:41:220
9427211920,88sleep09375-21nodejs09:12:250
24886211718,85sleep024506-21nodejs10:10:400
3012921115,95sleep029906-21nodejs12:31:390
15716210912,84sleep015703-21nodejs11:37:570
668721045,88sleep06633-21nodejs11:03:570
2610221035,14sleep026047-21nodejs08:14:400
280552995,82sleep028019-21nodejs12:24:240
131372985,11sleep013079-21nodejs11:28:110
265132977,77sleep026509-21diskstats08:15:350
30302945,78sleep03017-21nodejs08:48:380
8867998836,40cyclictest10250irq/56-4a10000007:26:390
8867998644,28cyclictest3650irq/20-4900000010:54:430
8867998635,33cyclictest19524-21/usr/sbin/munin09:51:130
8867998354,20cyclictest2219-21/usr/sbin/munin10:46:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional