You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-30 - 16:18

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 the 792 highest latencies:
System rack9slot4s (updated Tue Dec 30, 2025 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120149911971175,19cyclictest25636-21fschecks_time09:15:171
120139911841148,23cyclictest12449-21diskstats07:25:140
120149911401130,7cyclictest0-21swapper/107:25:141
119002700652,32sleep10-21swapper/107:24:311
112182634588,31sleep00-21swapper/007:20:260
1201399189183,3cyclictest0-21swapper/009:15:170
1382221130,4sleep041ktimersoftd/011:16:010
625021040,5sleep00-21swapper/010:01:290
144822830,8sleep11201499cyclictest10:10:231
173062810,4sleep01201399cyclictest10:13:320
143282770,4sleep00-21swapper/009:36:250
78632600,22sleep122-21ksoftirqd/108:35:271
78632600,22sleep122-21ksoftirqd/108:35:261
158612500,4sleep1211ktimersoftd/109:38:391
50882460,4sleep10-21swapper/112:14:561
287942460,8sleep01201399cyclictest12:05:230
223092460,8sleep11201499cyclictest09:11:151
100062450,8sleep01201399cyclictest10:39:470
12014994416,7cyclictest22-21ksoftirqd/112:05:331
1201499406,22cyclictest0-21swapper/111:55:581
1201399409,12cyclictest32309-21sh09:55:210
12014993917,7cyclictest22-21ksoftirqd/110:17:561
1201399393,18cyclictest0-21swapper/009:42:160
1201399393,14cyclictest0-21swapper/009:07:400
72122381,4sleep17223-21ssh10:02:541
194032380,4sleep041ktimersoftd/011:22:040
12014993823,11cyclictest14672-21ssh12:24:491
12014993817,6cyclictest22-21ksoftirqd/112:50:131
12014993817,6cyclictest22-21ksoftirqd/111:25:211
12014993816,7cyclictest22-21ksoftirqd/109:20:451
1201399383,14cyclictest0-21swapper/011:01:070
12013993811,15cyclictest0-21swapper/010:53:140
12014993716,7cyclictest22-21ksoftirqd/112:37:291
12014993716,6cyclictest22-21ksoftirqd/110:06:421
12014993716,6cyclictest22-21ksoftirqd/109:58:541
12014993715,7cyclictest22-21ksoftirqd/112:40:491
12014993715,7cyclictest22-21ksoftirqd/112:34:111
12014993715,7cyclictest22-21ksoftirqd/111:52:131
12014993715,7cyclictest22-21ksoftirqd/110:56:471
12014993715,7cyclictest22-21ksoftirqd/110:42:061
12014993715,7cyclictest22-21ksoftirqd/110:38:461
12014993715,6cyclictest22-21ksoftirqd/110:26:521
12014993714,7cyclictest22-21ksoftirqd/109:40:051
12014993714,6cyclictest22-21ksoftirqd/112:15:561
1201399376,27cyclictest3302-21runrttasks12:18:100
1201399372,31cyclictest2863-21diskstats09:25:160
1201399371,14cyclictest18930-21fschecks_count10:15:140
1201399371,13cyclictest25793-21chrt10:55:230
12013993710,6cyclictest1217-21latency_hist08:20:000
190842361,4sleep119105-21iostat_ios07:40:201
1201499364,20cyclictest0-21swapper/109:46:451
12014993615,6cyclictest22-21ksoftirqd/112:45:581
12014993615,6cyclictest22-21ksoftirqd/111:37:221
12014993615,6cyclictest22-21ksoftirqd/111:33:321
12014993615,6cyclictest22-21ksoftirqd/111:11:571
12014993615,6cyclictest22-21ksoftirqd/110:46:541
12014993614,7cyclictest22-21ksoftirqd/111:07:181
12014993614,7cyclictest22-21ksoftirqd/110:34:041
1201399366,14cyclictest0-21swapper/009:50:310
1201399365,27cyclictest25180-21fschecks_time12:35:160
1201399361,6cyclictest22346-21ssh12:31:570
1201399361,13cyclictest19632-21chrt12:30:000
1201399361,12cyclictest4488-21ssh12:47:550
32832351,6sleep13392-21cpu08:25:121
308642357,24sleep00-21swapper/011:34:400
1201499358,23cyclictest0-21swapper/109:34:531
12014993513,7cyclictest22-21ksoftirqd/111:04:141
12014993512,10cyclictest12218-21taskset08:46:541
1201499351,16cyclictest25904-21taskset12:02:131
1201399358,23cyclictest0-21swapper/011:47:390
1201399354,28cyclictest0-21swapper/010:05:160
1201399352,15cyclictest23587-21df_inode12:00:150
1201399352,14cyclictest0-21swapper/007:45:580
1201399352,13cyclictest29244-21ntp_states10:25:280
1201399351,17cyclictest11527-21/usr/sbin/munin12:20:300
1201399351,14cyclictest20364-21aten_r4power_en09:10:120
1201399351,14cyclictest19338-21ntp_states07:40:250
167882341,4sleep116802-21ssh12:25:541
1201499341,30cyclictest0-21swapper/111:40:551
1201499341,30cyclictest0-21swapper/111:40:551
1201399344,6cyclictest0-21swapper/011:57:120
1201399344,26cyclictest22412-21fschecks_time09:45:150
12013993427,4cyclictest0-21swapper/012:43:160
1201399342,22cyclictest0-21swapper/010:45:420
1201399341,8cyclictest8096-21sh11:44:290
1201399341,8cyclictest8096-21sh11:44:280
1201399341,8cyclictest23003-21timerwakeupswit11:25:280
1201399341,4cyclictest8953-21sh11:10:580
1201399341,4cyclictest577-21ssh09:22:440
1201399341,29cyclictest2403-21irqbalance09:31:150
12013993410,6cyclictest20058-21diskmemload10:41:130
1201499336,5cyclictest40550irq/92-i91507:50:161
1201499332,28cyclictest0-21swapper/111:47:361
12014993313,7cyclictest22-21ksoftirqd/110:54:441
1201499331,30cyclictest0-21swapper/107:30:151
1201499331,29cyclictest27488-21updatedb.mlocat08:00:361
1201399334,12cyclictest0-21swapper/012:10:490
1201399333,17cyclictest0-21swapper/008:58:220
1201399331,6cyclictest7273-21cstates08:35:150
1201399331,6cyclictest7273-21cstates08:35:150
1201399331,30cyclictest0-21swapper/009:03:160
1201399331,14cyclictest2279-21sh11:38:130
1201399331,12cyclictest13595-21processes08:50:290
1201399331,12cyclictest1144-21fschecks_time10:30:170
1201499328,7cyclictest14060-21taskset08:51:331
1201499328,4cyclictest40550irq/92-i91511:20:281
1201499321,14cyclictest0-21swapper/108:09:471
1201399329,5cyclictest3257-21chrt08:25:010
1201399323,27cyclictest0-21swapper/008:04:350
1201399323,27cyclictest0-21swapper/007:31:150
1201399322,5cyclictest3302-21runrttasks08:05:520
12013993225,5cyclictest0-21swapper/007:35:350
1201399321,5cyclictest0-21swapper/008:46:360
1201399321,14cyclictest6276-21fschecks_time12:50:150
1201399321,14cyclictest0-21swapper/008:14:070
1201399321,12cyclictest24441-21ssh10:20:270
255622311,5sleep10-21swapper/107:57:031
255622311,5sleep10-21swapper/107:57:031
166122311,5sleep10-21swapper/107:35:111
1201499312,7cyclictest31847-21runrttasks08:15:101
12014993112,6cyclictest22-21ksoftirqd/109:54:121
1201499311,15cyclictest0-21swapper/110:24:111
1201399313,9cyclictest0-21swapper/008:41:420
1201399311,5cyclictest4611-21sh11:06:400
1201399311,13cyclictest13472-21sh11:50:020
235792301,5sleep00-21swapper/007:50:590
1201499304,9cyclictest3302-21runrttasks08:57:171
1201499301,9cyclictest4569-21ssh09:26:191
1201399309,5cyclictest1349-21hostname08:20:120
1201399307,5cyclictest25274-21sed07:55:280
1201399307,5cyclictest25274-21sed07:55:280
218102291,5sleep10-21swapper/107:47:011
1201499297,6cyclictest40550irq/92-i91508:20:111
12014992920,6cyclictest9208-21df08:40:141
12014992911,15cyclictest22-21ksoftirqd/111:15:221
312882281,5sleep10-21swapper/108:10:571
198062281,5sleep10-21swapper/109:07:351
180162281,5sleep10-21swapper/109:03:291
1201499282,13cyclictest5986-21ntp_states08:30:241
1201399281,10cyclictest0-21swapper/008:32:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional