You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-29 - 13:46

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 Sat Aug 29, 2026 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320392820,2sleep30-21swapper/322:54:163
3132660,2sleep30-21swapper/320:04:033
3132660,2sleep30-21swapper/320:04:033
233182650,8sleep023319-21fschecks_time21:04:140
218562620,2sleep021849-21tail20:59:210
218562620,2sleep021849-21tail20:59:210
327572610,3sleep20-21swapper/220:04:022
327572610,3sleep20-21swapper/220:04:022
279012590,2chrt0-21swapper/100:09:151
279012590,2chrt0-21swapper/100:09:151
109682580,3chrt0-21swapper/023:24:160
109682580,3chrt0-21swapper/023:24:160
10352570,4sleep20-21swapper/221:29:252
10352570,4sleep20-21swapper/221:29:252
15462560,3chrt0-21swapper/320:04:233
15462560,3chrt0-21swapper/320:04:233
257392530,2chrt25741-21fschecks_time19:44:140
154242520,2sleep20-21swapper/222:09:162
154242520,2sleep20-21swapper/222:09:162
14798995217,26cyclictest26668-21sed00:04:280
14798995217,26cyclictest26668-21sed00:04:280
156172510,3sleep00-21swapper/022:09:180
156172510,3sleep00-21swapper/022:09:180
144622470,3sleep30-21swapper/320:39:213
144622470,3sleep30-21swapper/320:39:213
40232460,3sleep20-21swapper/223:04:242
40232460,3sleep20-21swapper/223:04:242
229392460,2sleep10-21swapper/119:34:261
229392460,2sleep10-21swapper/119:34:261
14798994628,15cyclictest0-21swapper/000:04:050
14798994628,15cyclictest0-21swapper/000:04:050
135602460,1sleep0201rcuc/020:39:050
135602460,1sleep0201rcuc/020:39:050
60562450,3sleep30-21swapper/320:19:073
60562450,3sleep30-21swapper/320:19:073
5652450,3chrt0-21swapper/021:29:180
5652450,3chrt0-21swapper/021:29:180
20432430,3sleep20-21swapper/220:07:322
20432430,3sleep20-21swapper/220:07:322
209302420,2sleep10-21swapper/123:49:211
171702420,3chrt0-21swapper/122:14:141
171702420,3chrt0-21swapper/122:14:141
14798994133,6cyclictest0-21swapper/000:13:110
14798994133,6cyclictest0-21swapper/000:13:110
118792410,3sleep20-21swapper/220:34:142
118792410,3sleep20-21swapper/220:34:142
303352400,3sleep10-21swapper/119:54:241
303352400,3sleep10-21swapper/119:54:241
287022400,3sleep10-21swapper/122:44:171
287022400,3sleep10-21swapper/122:44:171
1480099402,28cyclictest25531-21taskset00:04:062
1480099402,28cyclictest25531-21taskset00:04:062
14798994012,16cyclictest23310-21taskset23:55:560
14798994012,16cyclictest23310-21taskset23:55:560
14798993925,11cyclictest700-21192.168.115.40-manager19:38:550
14798993925,11cyclictest700-21192.168.115.40-manager19:38:550
14798993912,8cyclictest6818-21irqstats00:39:170
14798993912,8cyclictest6818-21irqstats00:39:170
14798993831,5cyclictest32758-21mailstats22:54:240
14798993812,12cyclictest14678-21systemd-journal00:27:110
14798993812,10cyclictest18276-21chrt22:15:500
14798993812,10cyclictest18276-21chrt22:15:500
73622370,2sleep30-21swapper/300:39:243
73622370,2sleep30-21swapper/300:39:243
1480299371,27cyclictest25553-21chrt00:04:073
1480299371,27cyclictest25553-21chrt00:04:073
1479899379,12cyclictest19525-21taskset23:45:080
1479899379,12cyclictest19525-21taskset23:45:080
14798993719,15cyclictest0-21swapper/000:37:180
14798993626,8cyclictest700-21192.168.115.40-manager21:43:200
14798993626,8cyclictest700-21192.168.115.40-manager21:43:200
14798993625,9cyclictest700-21192.168.115.40-manager23:00:000
14798993625,9cyclictest700-21192.168.115.40-manager23:00:000
14798993611,10cyclictest1910-21taskset20:05:480
14798993611,10cyclictest1910-21taskset20:05:480
10912360,1sleep10-21swapper/100:24:151
275552350,2sleep127605-21ps21:14:211
275552350,2sleep127605-21ps21:14:211
14799993528,5cyclictest25663-21/usr/sbin/munin00:04:141
14799993528,5cyclictest25663-21/usr/sbin/munin00:04:141
14798993511,9cyclictest12727-21grep23:29:150
14798993511,9cyclictest12727-21grep23:29:150
122832350,3sleep20-21swapper/223:28:322
122832350,3sleep20-21swapper/223:28:322
14798993428,5cyclictest24600-21threads19:39:230
14798993428,5cyclictest24600-21threads19:39:230
14798993426,6cyclictest28010-21needreboot19:49:190
14798993426,6cyclictest28010-21needreboot19:49:190
14798993425,6cyclictest0-21swapper/021:37:170
14798993422,10cyclictest4598-21sshd23:06:300
14798993422,10cyclictest4598-21sshd23:06:300
14798993411,9cyclictest31906-21taskset21:25:170
12642340,1sleep11313-21cpu22:59:131
12642340,1sleep11313-21cpu22:59:131
14799993327,4cyclictest545-21in:imuxsock21:39:011
14799993325,6cyclictest17967-21latency_hist23:44:021
14799993325,6cyclictest17967-21latency_hist23:44:021
14799993325,6cyclictest17967-21latency_hist23:44:021
14799993325,6cyclictest16659-21cron22:14:021
14799993325,6cyclictest16659-21cron22:14:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional