You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-10 - 18:54

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 #4, slot #1

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1s.osadl.org (updated Wed Jun 10, 2026 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2138821500,1sleep10-21swapper/111:58:131
2138821500,1sleep10-21swapper/111:58:131
2138821500,1sleep10-21swapper/111:58:131
2249621070,2sleep30-21swapper/309:08:103
2249621070,2sleep30-21swapper/309:08:103
238812970,3sleep023885-21timerwakeupswit10:38:120
238812970,3sleep023885-21timerwakeupswit10:38:120
38132910,2sleep10-21swapper/111:13:031
38132910,2sleep10-21swapper/111:13:031
38132910,2sleep10-21swapper/111:13:031
291842800,2chrt0-21swapper/110:53:091
291842800,2chrt0-21swapper/110:53:091
291842800,2chrt0-21swapper/110:53:091
169892800,3sleep30-21swapper/307:28:043
264962790,2sleep1281ktimers/112:13:051
264962790,2sleep1281ktimers/112:13:051
181682760,3sleep10-21swapper/110:23:101
181682760,3sleep10-21swapper/110:23:101
255592670,3sleep30-21swapper/309:18:033
168962620,3sleep30-21swapper/310:21:593
168962620,3sleep30-21swapper/310:21:593
168962620,3sleep30-21swapper/310:21:593
22462610,2chrt0-21swapper/311:08:063
90512580,3chrt0-21swapper/308:33:053
90512580,3chrt0-21swapper/308:33:053
290672580,4chrt0-21swapper/309:28:003
290672580,4chrt0-21swapper/309:28:003
20102580,3chrt0-21swapper/312:33:133
20102580,3chrt0-21swapper/312:33:133
79762480,2chrt14678-21systemd-journal08:30:501
79762480,2chrt14678-21systemd-journal08:30:501
229842480,4sleep122986-21mailstats07:43:101
229842480,4sleep122986-21mailstats07:43:101
218552470,3sleep10-21swapper/107:42:501
179652450,3sleep30-21swapper/310:23:083
179652450,3sleep30-21swapper/310:23:083
187622440,2sleep018917-21/usr/sbin/munin08:58:110
187622440,2sleep018917-21/usr/sbin/munin08:58:110
119992440,2sleep012171-21unixbench_multi11:33:130
119992440,2sleep012171-21unixbench_multi11:33:130
52872360,3sleep10-21swapper/108:23:071
52872360,3sleep10-21swapper/108:23:071
11263993630,4cyclictest1346-21avahi-daemon10:28:091
11263993630,4cyclictest1346-21avahi-daemon10:28:091
11263993630,4cyclictest1346-21avahi-daemon10:28:091
103482350,2sleep010350-21grep11:28:130
103482350,2sleep010350-21grep11:28:130
11263993428,4cyclictest5088-21cron11:17:491
11263993428,4cyclictest5088-21cron11:17:491
11263993428,4cyclictest5088-21cron11:17:491
11263993423,9cyclictest11779-21sshd08:41:241
11263993423,9cyclictest11779-21sshd08:41:241
11262993428,4cyclictest19982-21cron07:37:500
11262993428,4cyclictest19982-21cron07:37:500
11263993327,4cyclictest9452-21cron10:02:501
11262993329,3cyclictest5716-21latency_hist09:52:500
11262993329,3cyclictest5716-21latency_hist09:52:500
11262993328,4cyclictest4535-21sendmail12:42:490
11262993328,4cyclictest4535-21sendmail12:42:490
245402320,2sleep20-21swapper/210:42:532
245402320,2sleep20-21swapper/210:42:532
11263993226,4cyclictest14466-21threads10:13:101
11263993226,4cyclictest14466-21threads10:13:101
11263993226,4cyclictest14466-21threads10:13:101
11263993226,4cyclictest1-21systemd11:42:501
11263993226,4cyclictest1-21systemd11:42:501
11263993225,5cyclictest31476-21latency_hist12:27:571
11263993225,5cyclictest31476-21latency_hist12:27:571
11263993225,5cyclictest31476-21latency_hist12:27:571
11262993226,4cyclictest1505-21sed09:38:110
11262993226,4cyclictest1505-21sed09:38:110
11262993226,4cyclictest1505-21sed09:38:110
11262993225,5cyclictest26711-21fschecks_count10:48:030
11262993225,5cyclictest26711-21fschecks_count10:48:030
11262993225,5cyclictest11255-21cyclictest11:13:020
11262993225,5cyclictest11255-21cyclictest11:13:020
11262993225,5cyclictest11255-21cyclictest11:13:020
104442320,3sleep10-21swapper/110:03:081
104442320,3sleep10-21swapper/110:03:081
162642310,2sleep20-21swapper/210:18:092
162642310,2sleep20-21swapper/210:18:092
162642310,2sleep20-21swapper/210:18:092
11263993125,4cyclictest24088-21fschecks_count07:48:031
11263993125,4cyclictest24088-21fschecks_count07:48:031
11263993124,5cyclictest25104-21threads12:08:141
11263993124,5cyclictest25104-21threads12:08:141
11262993126,3cyclictest2491-21cron08:17:500
11262993126,3cyclictest2491-21cron08:17:500
11262993125,4cyclictest31086-21latency_hist09:33:010
11262993125,4cyclictest31086-21latency_hist09:33:010
11262993124,5cyclictest550-21cron11:13:090
11262993124,5cyclictest550-21cron11:13:090
11262993124,5cyclictest550-21cron11:13:090
11262993124,5cyclictest27733-21latency_hist12:17:560
11262993124,5cyclictest27733-21latency_hist12:17:560
11262993124,5cyclictest0-21swapper/012:22:500
11262993124,5cyclictest0-21swapper/012:22:500
11262993124,4cyclictest19890-21fschecks_time09:03:020
11262993124,4cyclictest19890-21fschecks_time09:03:020
11262993123,6cyclictest25744-21latency_hist07:52:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional