You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-29 - 22:51

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 #b, slot #7

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.

Note that this system runs a non-RT kernel.
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 rackbslot7s.osadl.org (updated Mon Jun 29, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20781256786,5660sleep116228-21kworker/1:112:05:581
18040275717,724sleep018048-21/usr/sbin/munin08:34:510
14635263014,601sleep114696-21find10:05:091
587260811,484sleep1736-21tail09:20:111
25812252716,499sleep125858-21latency_hist12:24:401
2095325107,490sleep120928-21latency_hist08:44:411
2095325107,490sleep120928-21latency_hist08:44:411
531324058,346sleep15329-21modprobe07:54:381
3054324049,380sleep130684-21sed09:14:411
2627023836,361sleep026313-21/usr/sbin/munin09:00:030
7728234812,316sleep27794-21/usr/sbin/munin08:00:082
6286233529,200sleep10-21swapper/111:20:071
13290228513,254sleep213338-21unin-run11:44:392
8944227518,198sleep18959-21cron09:49:381
26224226473,171sleep126263-21/usr/sbin/munin10:40:181
3293222815,194sleep13444-21unixbench_singl07:45:581
19601221825,177sleep119753-21date12:04:411
4198221314,188sleep124766-21munin-node11:14:501
3720220820,131sleep13867-21grep09:30:121
3720220820,131sleep13867-21grep09:30:121
15648220122,92sleep115778-21unixbench_multi08:25:111
629221910,11sleep112-21rcu_sched09:39:561
25000218913,131sleep125090-21fschecks_time07:14:451
18958218510,73sleep119010-21latency_hist10:19:421
18958218510,73sleep119010-21latency_hist10:19:421
13203218420,59sleep10-21swapper/108:19:421
13420217238,121sleep113459-21cpu08:19:541
10546216918,137sleep210629-21latency_hist09:54:402
11033216810,123sleep111154-21unixbench_singl08:10:131
1714121639,120sleep117179-21grep11:55:081
9222216231,117sleep19289-21run-parts08:05:081
1390821598,74sleep1364-21snmpd11:45:031
11650215910,132sleep111757-21timerandwakeup09:55:241
15913215376,56sleep10-21swapper/110:09:491
23897214938,95sleep10-21swapper/107:10:081
26314214536,94sleep10-21swapper/109:00:041
839821446,89sleep1364-21snmpd11:26:501
839821446,89sleep1364-21snmpd11:26:501
30173214427,107sleep1364-21snmpd12:36:351
31364214048,80sleep131429-21cat09:15:101
12492214043,77sleep10-21swapper/111:40:061
23820213674,20sleep124033-21latency_hist10:34:411
23080213412,40sleep122881-21/usr/sbin/munin12:14:591
29237213316,96sleep329314-21fschecks_time12:35:003
2779921339,103sleep00-21swapper/007:20:130
10216213016,90sleep00-21swapper/011:34:400
3809212955,39sleep03798-21/usr/sbin/munin07:49:400
27807212814,99sleep10-21swapper/110:45:061
27807212814,99sleep10-21swapper/110:45:061
31552212612,98sleep331664-21unixbench_singl09:15:123
10495212629,84sleep110543-21apt-config09:54:391
32129212312,98sleep032241-21cat09:19:410
22187212018,21sleep20-21swapper/212:10:112
22617211938,58sleep10-21swapper/112:14:381
18163211925,20sleep118249-21fschecks_time08:35:001
30654211638,23sleep10-21swapper/107:30:111
27353211616,19sleep10-21swapper/107:20:061
19615211612,18sleep00-21swapper/008:39:480
19615211612,18sleep00-21swapper/008:39:480
1710211610,87sleep10-21swapper/111:05:091
1710211610,87sleep10-21swapper/111:05:091
15495211610,92sleep015534-21ntpq11:50:020
4847211514,88sleep24853-21cat07:50:562
25921211512,88sleep325941-21sh08:59:533
15609211419,17sleep10-21swapper/111:50:071
347211213,80sleep00-21swapper/009:20:050
12877211116,79sleep312917-21latency10:00:063
12877211116,79sleep312917-21latency10:00:063
23083211022,64sleep0225-21systemd-journal07:09:390
26706210923,70sleep026757-21latency_hist07:19:400
6405210812,83sleep36488-21sed09:39:593
26582210517,67sleep025684-21/usr/sbin/munin10:40:250
1378521058,86sleep1364-21snmpd10:03:351
1378521058,86sleep1364-21snmpd10:03:351
15674210415,74sleep215747-21wc11:50:082
5605210326,62sleep15629-21grep07:54:541
29696210314,71sleep029719-21/usr/sbin/munin09:10:080
2509210215,69sleep32492-21apt-get07:44:553
73821015,46sleep10-21swapper/111:03:241
73821015,46sleep10-21swapper/111:03:241
22422210016,66sleep222396-21apt-get10:29:572
20555210010,54sleep10-21swapper/110:24:431
20555210010,54sleep10-21swapper/110:24:431
204621004,11sleep20-21swapper/211:05:182
204621004,11sleep20-21swapper/211:05:182
1631729912,71sleep316326-21needreboot10:10:113
1542829918,66sleep315523-21apt-key10:09:393
2768129811,64sleep327570-21/usr/sbin/munin12:29:553
2223329824,42sleep10-21swapper/108:46:511
2223329824,42sleep10-21swapper/108:46:511
3163529723,43sleep10-21swapper/110:58:471
3134529716,16sleep20-21swapper/207:34:402
2991029722,42sleep10-21swapper/110:51:281
294429660,17sleep10-21swapper/111:10:021
2859429622,41sleep10-21swapper/112:31:141
2736129621,15sleep10-21swapper/112:29:411
2474529618,51sleep224766-21munin-node07:14:422
243129621,42sleep10-21swapper/109:25:561
243129621,42sleep10-21swapper/109:25:561
2341129620,45sleep323406-21apt-get07:09:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional