You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-17 - 05:17

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 Wed Jun 17, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303359911961173,19cyclictest32321-21latency_hist19:30:011
299002563518,30sleep10-21swapper/119:21:011
290572481400,63sleep00-21swapper/019:20:150
3033499140117,16cyclictest32322-21munin-node19:30:010
96592830,8sleep03033499cyclictest00:10:210
39602580,4sleep1201rcuc/123:55:211
99112360,5sleep041ktimersoftd/022:45:190
54332361,31sleep05487-21switchtime19:40:280
212172362,29sleep121224-21iostat_ios23:15:181
170282361,30sleep017087-21if_eth000:30:210
147782361,4sleep014920-21df00:25:140
30682351,30sleep03108-21iostat19:35:190
91832341,4sleep19246-21latency_hist22:45:021
58532341,4sleep12695-21snmpd19:42:041
313142341,29sleep131349-21iostat20:50:201
30335993420,9cyclictest0-21swapper/120:15:201
30334993410,11cyclictest22618-21aten_r4power_vo23:20:120
131282341,29sleep12695-21snmpd21:28:081
121862340,10sleep03033499cyclictest22:50:280
30335993327,3cyclictest40250irq/92-i91522:30:011
3033499331,20cyclictest5523-21taskset21:07:240
30334993311,17cyclictest112862chrt21:23:320
30334993311,17cyclictest112862chrt21:23:310
3033599323,23cyclictest28748-21iostat_ios23:35:201
3033499321,4cyclictest81rcu_preempt23:51:270
30334993211,19cyclictest0-21swapper/021:12:360
116582321,5sleep111693-21ntp_states00:15:251
116582321,5sleep111693-21ntp_states00:15:251
3033599314,11cyclictest13769-21diskstats21:30:161
3033499317,21cyclictest2566-21perl21:00:130
3033499317,12cyclictest19712-21taskset00:36:000
3033499316,4cyclictest81rcu_preempt20:42:580
3033499312,16cyclictest0-21swapper/023:16:040
30334993113,5cyclictest26558-21df23:30:140
130482310,9sleep03033499cyclictest00:20:140
101412311,26sleep110179-21ntp_states22:45:251
319942301,5sleep00-21swapper/022:18:510
30335993019,7cyclictest29928-21cat20:45:281
3033599301,26cyclictest0-21swapper/122:15:281
3033599301,15cyclictest3510-21/usr/sbin/munin19:35:271
3033499307,11cyclictest19395-21expr21:45:130
3033499306,20cyclictest13896-21aten_r4power_po20:05:130
3033499306,12cyclictest3612-21date22:30:010
3033499302,14cyclictest429-21iostat_ios22:20:200
30334993010,6cyclictest0-21swapper/021:16:210
69922291,5sleep00-21swapper/022:36:560
66102291,5sleep00-21swapper/000:01:290
48282291,5sleep00-21swapper/023:57:420
3033499292,22cyclictest25596-21ntp_states22:00:260
3033499292,14cyclictest17376-21hddtemp_smartct23:05:190
30334992919,6cyclictest31636-21ps20:50:270
3033499291,6cyclictest9942-21ls19:55:000
3033499291,6cyclictest9942-21ls19:55:000
3033499291,24cyclictest7680-21grep22:40:130
236902291,5sleep10-21swapper/100:47:421
217162291,5sleep00-21swapper/000:42:040
186912291,5sleep00-21swapper/021:42:170
163012291,5sleep00-21swapper/023:00:440
125442291,5sleep00-21swapper/000:19:390
125442291,5sleep00-21swapper/000:19:380
115912291,5sleep00-21swapper/021:25:080
110062291,5sleep10-21swapper/121:20:391
110062291,5sleep10-21swapper/121:20:381
69012281,5sleep10-21swapper/100:04:311
35082281,5sleep10-21swapper/121:01:001
3033599284,21cyclictest0-21swapper/123:07:171
3033599282,21cyclictest27601-21irqstats20:40:231
30335992815,8cyclictest22033-21tail00:45:001
30335992814,8cyclictest9284-21diskstats00:10:141
3033499283,4cyclictest81rcu_preempt00:46:330
3033499282,13cyclictest28447-21diskstats23:35:140
3033499282,13cyclictest0-21swapper/019:30:380
30334992818,6cyclictest19556-21grep23:10:230
3033499281,4cyclictest81rcu_preempt22:05:060
30334992812,5cyclictest11565-21gdbus20:33:320
3033499281,15cyclictest3286-21runrttasks20:14:440
3033499281,13cyclictest13289-21runrttasks20:01:060
282382281,5sleep10-21swapper/122:08:541
27852281,5sleep10-21swapper/123:51:461
267872281,5sleep00-21swapper/020:39:450
260402281,5sleep10-21swapper/123:29:171
243942281,4sleep10-21swapper/121:58:041
226502281,5sleep00-21swapper/020:25:470
211252281,5sleep10-21swapper/120:24:241
181152281,5sleep10-21swapper/100:33:531
168602281,5sleep00-21swapper/021:37:580
166662281,5sleep10-21swapper/121:35:581
147232281,5sleep00-21swapper/022:59:020
11252281,5sleep10-21swapper/122:20:391
95222271,5sleep10-21swapper/121:19:531
77392271,5sleep10-21swapper/119:47:101
49842271,5sleep10-21swapper/122:30:331
30335992718,5cyclictest22895-21fschecks_count23:20:151
30335992717,6cyclictest6586-21cat21:10:211
3033599271,22cyclictest6082-21/usr/sbin/munin22:35:181
3033599271,13cyclictest2695-21snmpd19:56:051
3033499272,20cyclictest32700-21/usr/sbin/munin20:55:120
30334992717,6cyclictest29237-21cat22:10:200
3033499271,4cyclictest81rcu_preempt00:52:460
247122271,5sleep10-21swapper/120:32:401
245282271,5sleep00-21swapper/021:59:300
225372271,5sleep10-21swapper/121:53:171
20272271,5sleep10-21swapper/119:32:381
171352271,5sleep10-21swapper/120:12:051
163172271,3sleep10-21swapper/123:00:561
160222271,5sleep10-21swapper/100:26:381
145962271,5sleep10-21swapper/122:57:441
11192271,5sleep10-21swapper/123:49:231
88052261,5sleep10-21swapper/100:09:501
55442261,5sleep10-21swapper/121:07:381
30335992616,6cyclictest24990-21wc22:00:131
3033599261,21cyclictest13034-21latency_hist22:55:001
30335992610,12cyclictest0-21swapper/100:35:241
3033499262,4cyclictest81rcu_preempt21:54:280
30334992615,7cyclictest11772-21cron19:59:590
3033499261,4cyclictest81rcu_preempt00:05:030
30334992610,4cyclictest0-21swapper/023:40:150
228122261,5sleep10-21swapper/120:27:251
186582261,4sleep10-21swapper/121:41:571
3033599256,15cyclictest0-21swapper/123:30:281
3033599254,19cyclictest0-21swapper/100:22:331
30335992515,6cyclictest30097-21cut23:40:101
30335992512,10cyclictest22-21ksoftirqd/119:50:171
30335992512,10cyclictest22-21ksoftirqd/119:50:161
30335992510,11cyclictest1903-21latency_hist21:00:011
3033499253,4cyclictest0-21swapper/023:45:280
30334992516,6cyclictest3-21ksoftirqd/019:46:530
30334992514,6cyclictest4391-21memory22:30:220
3033499251,12cyclictest28919-21hostname20:45:110
3033499251,12cyclictest17995-21fschecks_time20:15:150
255242251,5sleep10-21swapper/100:52:181
3033599242,18cyclictest14144-21sort20:05:181
30335992416,5cyclictest22-21ksoftirqd/121:46:511
30335992413,6cyclictest25398-21diskstats20:35:151
30334992416,5cyclictest3-21ksoftirqd/021:30:030
3033499241,11cyclictest25787-21taskset23:26:380
210872241,5sleep00-21swapper/020:24:010
135452241,5sleep10-21swapper/120:03:501
30335992314,6cyclictest22-21ksoftirqd/123:11:041
3033599228,10cyclictest0-21swapper/122:10:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional