You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-12-10 - 12:36

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #f, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 all highest latencies:
System rackfslot4s.osadl.org (updated Tue Dec 10, 2024 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2097421280,2chrt20972-21mailstats00:07:110
3249021250,2chrt32492-21irqrtprio21:30:590
125921180,3chrt1254-21ntpq20:31:060
3046221170,2chrt30461-21/usr/sbin/munin22:27:180
1622121170,3chrt20312-21diskmemload22:02:390
3078621160,2chrt30775-21ntpq23:26:270
309221120,2chrt3093-21sleep22:36:300
1776821120,3chrt17769-21sleep22:05:400
1761821120,2chrt17620-21awk20:01:190
1652721120,3chrt16531-21sh00:00:010
3264721110,1sleep032648-21missed_timers22:31:120
787521100,2chrt7873-21/usr/sbin/munin21:45:380
2700721080,3chrt27006-21mailstats00:18:070
2663621080,2chrt26637-21sleep19:15:240
972821050,2chrt9729-21sleep20:48:170
1447121030,2chrt14472-21sleep20:56:550
1538021010,2chrt15381-21sh22:59:340
230262970,2sleep023027-21ssh21:14:450
62472900,2sleep06248-21ntpq21:42:240
92902840,2sleep09292-21cut23:46:050
7932800,2sleep0795-21wc00:30:020
2176727911,52sleep021774-21df_inode19:05:230
106612760,2sleep010660-21awk19:46:250
169982710,2sleep016999-21date20:00:130
51292660,2sleep05130-21grep22:41:200
269702603,47sleep025981-21sendmail-msp21:21:510
192092585,44sleep019246-21/usr/sbin/munin23:06:010
115562583,8sleep011559-21ssh22:51:570
76392573,7sleep07775-21sed19:41:300
165872575,42sleep016582-21ntpq21:01:420
226072553,43sleep022662-21fschecks_time00:10:500
283832543,9sleep027762-21sendmail-msp00:21:160
130522531,12sleep013049-21ssh23:52:500
128772523,7sleep012873-21ntpq19:50:540
54872514,37sleep05490-21users00:37:220
39732513,7sleep03969-21ntpq23:36:180
23933905020,23cyclictest0-21swapper21:52:420
231372500,2sleep023140-21sort20:10:450
180532500,2chrt18051-21/usr/sbin/munin00:02:180
3812490,1sleep0382-21basename23:30:500
23933904918,23cyclictest0-21swapper21:58:140
17092494,36sleep01815-21sed00:31:030
262052483,36sleep0252-21jbd2/sda-822:20:380
201502480,3chrt20148-21perl20:05:370
42782473,34sleep04282-21apt-get19:35:120
2393390475,12cyclictest25515-21df20:16:200
23933904720,19cyclictest0-21swapper22:14:460
23933904714,17cyclictest0-21swapper19:13:210
2393390467,12cyclictest16799-21perl23:02:260
23933904616,23cyclictest0-21swapper23:15:340
23933904614,25cyclictest28541-21ssh23:23:010
2393390455,12cyclictest24047-21hddtemp_smartct22:16:310
23933904514,23cyclictest0-21swapper21:28:310
23933904413,23cyclictest0-21swapper23:14:400
23933904411,16cyclictest29153-21apt-get19:20:390
2393390435,12cyclictest6406-21ntpq20:41:380
23933904317,19cyclictest0-21swapper20:21:170
23933904312,24cyclictest0-21swapper21:39:100
23933904312,23cyclictest0-21swapper22:48:470
2393390425,29cyclictest19095-21ntpq21:06:140
2393390424,10cyclictest32748-21chrt19:26:030
23933904214,21cyclictest0-21swapper21:17:450
23933904212,24cyclictest5515-21sendmail-msp23:40:520
2393390415,28cyclictest11498-21ntp_states20:51:130
2393390414,9cyclictest3025-21diskstats20:35:330
2393390414,28cyclictest31855-21seq20:27:310
23933904113,22cyclictest0-21swapper19:31:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional