You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 13:42

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 #9, 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.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rack9slot4s (updated Sat May 16, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324719911821143,34cyclictest81rcu_preempt19:25:170
324729911731149,20cyclictest520-21grep19:25:151
322902636591,30sleep10-21swapper/119:23:421
320542562517,30sleep00-21swapper/019:21:110
313422900,5sleep041ktimersoftd/020:45:140
250192460,5sleep041ktimersoftd/021:55:110
3247199399,15cyclictest2225-21dbus-daemon19:51:150
32472993815,20cyclictest6730-21proc_pri22:30:251
160412371,31sleep116206-21expr20:05:121
9572361,30sleep01022-21grep20:50:200
3247199355,14cyclictest4081-21cpu22:25:120
32471993510,13cyclictest81rcu_preempt22:45:110
59402321,27sleep06116-21cat22:30:120
32472993216,13cyclictest22-21ksoftirqd/119:45:251
3247199322,15cyclictest8574-21hddtemp_smartct21:10:170
263742321,27sleep126396-21munin-run23:25:001
32472993113,14cyclictest12082-21iostat22:45:201
3247199311,13cyclictest14593-21grep22:50:280
3247199311,13cyclictest14593-21grep22:50:280
3247199311,11cyclictest81rcu_preempt21:37:060
241652311,4sleep02695-21snmpd23:16:450
207242311,25sleep120736-21latency_hist23:10:011
77602301,5sleep10-21swapper/121:08:281
50412301,5sleep00-21swapper/023:52:060
32472993020,6cyclictest24314-21ntp_states20:25:241
3247199301,4cyclictest81rcu_preempt21:31:410
3247199301,12cyclictest81rcu_preempt22:58:100
296972301,5sleep10-21swapper/123:30:331
203122301,25sleep120395-21memory20:15:221
186262301,5sleep10-21swapper/123:02:411
142922301,5sleep00-21swapper/000:15:330
69252291,5sleep10-21swapper/123:57:121
37682291,5sleep10-21swapper/120:56:101
32472992915,8cyclictest27495-21iostat_ios22:00:181
3247299291,26cyclictest0-21swapper/122:18:011
3247199293,12cyclictest0-21swapper/000:43:320
3247199292,4cyclictest81rcu_preempt20:34:480
3247199292,14cyclictest2401-21NetworkManager19:31:440
3247199292,14cyclictest13119-21users21:20:300
3247199291,24cyclictest21553-21python00:35:280
3247199291,16cyclictest7404-21aten_r4power_cu00:00:100
32471992911,6cyclictest23594-21perl21:50:150
323242291,5sleep10-21swapper/120:45:561
320012291,5sleep00-21swapper/022:11:150
318482291,5sleep00-21swapper/023:38:240
264612291,5sleep10-21swapper/121:57:211
252192291,5sleep10-21swapper/120:30:021
231382291,5sleep10-21swapper/120:23:081
220832292,5sleep00-21swapper/021:45:250
210852291,4sleep021107-21munin-run21:45:010
174462291,5sleep00-21swapper/020:07:430
165522291,5sleep10-21swapper/122:55:501
93282281,4sleep10-21swapper/122:38:581
79912281,5sleep00-21swapper/019:42:060
78662281,4sleep12695-21snmpd19:40:491
71162281,5sleep00-21swapper/023:59:100
59822281,5sleep00-21swapper/021:04:290
59822281,5sleep00-21swapper/019:35:550
54772281,5sleep10-21swapper/122:27:571
52612281,5sleep10-21swapper/123:54:241
32472992819,6cyclictest12909-21sed19:55:221
32472992816,5cyclictest22-21ksoftirqd/121:34:361
3247199287,6cyclictest3286-21runrttasks20:42:530
32471992815,10cyclictest11355-21cstates00:10:120
3247199281,14cyclictest11206-21grep21:15:290
3247199281,14cyclictest11206-21grep21:15:290
3247199281,13cyclictest20732-21idleruntime-cro23:09:590
32471992811,12cyclictest27710-21seq00:52:430
32471992810,6cyclictest29737-21taskset23:30:580
32471992810,16cyclictest0-21swapper/000:45:520
32471992810,15cyclictest0-21swapper/020:36:350
303492281,5sleep10-21swapper/122:08:361
280122281,5sleep00-21swapper/023:27:310
278782281,5sleep10-21swapper/123:26:081
239532281,5sleep10-21swapper/100:43:051
229902281,5sleep00-21swapper/020:21:360
221882281,5sleep10-21swapper/100:39:241
210512281,5sleep00-21swapper/020:16:090
191992281,5sleep00-21swapper/020:11:260
185552281,24sleep118733-21sed21:35:291
184632281,5sleep00-21swapper/000:29:430
147122281,5sleep10-21swapper/122:51:091
147122281,5sleep10-21swapper/122:51:081
135622281,5sleep10-21swapper/121:24:591
135482281,5sleep00-21swapper/019:56:230
105872281,5sleep00-21swapper/000:06:040
89342271,5sleep10-21swapper/100:03:231
56992271,5sleep10-21swapper/121:01:321
3247299274,16cyclictest2293-21diskstats22:20:141
32472992719,5cyclictest30953-21latency23:35:201
32472992718,6cyclictest22-21ksoftirqd/119:35:221
32472992717,6cyclictest18963-21sort20:10:271
3247199278,14cyclictest111192chrt22:42:520
3247199271,21cyclictest14914-21aten_r4power_cu00:20:110
3247199271,21cyclictest14914-21aten_r4power_cu00:20:100
3247199271,15cyclictest3375-21runrttasks22:20:330
3247199271,13cyclictest7712-21seq21:07:580
307252271,5sleep10-21swapper/120:43:481
256382271,4sleep10-21swapper/100:45:471
226442271,5sleep10-21swapper/121:46:431
206812271,4sleep10-21swapper/121:40:491
201552271,5sleep10-21swapper/100:32:491
200612271,5sleep00-21swapper/000:31:490
153922271,5sleep10-21swapper/121:29:291
116172271,5sleep10-21swapper/119:50:491
44592261,5sleep10-21swapper/119:34:361
3247299269,4cyclictest11156-21aten_r4power_cu00:10:101
3247299263,21cyclictest0-21swapper/122:13:331
32472992617,6cyclictest22-21ksoftirqd/100:50:431
32472992617,6cyclictest1826-21tr23:45:121
32472992610,12cyclictest0-21swapper/120:35:211
3247199269,5cyclictest845-21timerandwakeup23:40:280
3247199269,5cyclictest15762-21taskset20:04:420
3247199266,11cyclictest0-21swapper/021:26:580
3247199262,18cyclictest24310-21ntp_states20:25:240
3247199262,12cyclictest0-21swapper/019:49:500
32471992616,6cyclictest2902-21unixbench_multi23:45:280
3247199261,13cyclictest29364-21iostat22:05:180
3247199261,13cyclictest28349-21taskset22:02:150
3247199261,12cyclictest3411-21mailstats20:55:260
3247199261,11cyclictest8010-21df_inode22:35:140
32471992611,11cyclictest20895-21cut23:10:100
261172261,5sleep00-21swapper/023:22:180
240642261,4sleep10-21swapper/123:15:441
32472992517,5cyclictest22-21ksoftirqd/100:21:561
32472992517,5cyclictest22-21ksoftirqd/100:21:551
32472992515,6cyclictest10475-21head00:05:281
32472992512,10cyclictest24367-21awk21:50:291
32472992511,10cyclictest0-21swapper/123:10:181
32472992510,3cyclictest0-21swapper/122:40:211
3247199251,16cyclictest0-21swapper/023:02:500
3247299249,12cyclictest0-21swapper/100:25:161
3247299242,10cyclictest0-21swapper/120:50:161
3247299239,10cyclictest10171-21cpuspeed_turbos21:15:131
3247299239,10cyclictest10171-21cpuspeed_turbos21:15:121
3247299232,16cyclictest9261-21unixbench_multi21:10:301
32472992315,5cyclictest22-21ksoftirqd/100:17:251
32472992314,5cyclictest14544-21cut20:00:171
3247199232,16cyclictest1088-21python22:15:270
3247299222,7cyclictest0-21swapper/123:41:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional