You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-22 - 23:30

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 highest latencies:
System rack9slot4s (updated Tue Sep 22, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73049912331185,35cyclictest7912-21perl07:25:160
73059911541110,27cyclictest7743-21taskset07:25:151
70062790746,29sleep00-21swapper/007:22:270
71142467419,33sleep10-21swapper/107:23:351
309232780,5sleep030924-21aten_r4power_cu08:25:110
312502530,4sleep10-21swapper/111:15:271
312592460,7sleep10-21swapper/109:50:251
94892410,7sleep1730599cyclictest10:20:001
216052390,2sleep121604-21aten_r4power_vo08:00:131
730499371,11cyclictest81rcu_preempt12:29:130
7304993611,12cyclictest8812-21sh08:50:260
35072361,31sleep13588-21users08:35:301
267792360,8sleep1730599cyclictest12:30:211
168862360,8sleep1730599cyclictest10:40:001
730499357,14cyclictest2225-21dbus-daemon09:41:530
313462350,3sleep1211ktimersoftd/112:42:381
313462350,3sleep1211ktimersoftd/112:42:371
730499342,20cyclictest2244-21switchtime12:50:240
7304993414,7cyclictest21814-21diskstats08:00:160
7304993412,5cyclictest4464-21iostat_ios10:05:210
730499341,21cyclictest25669-21sort08:10:180
730499341,13cyclictest0-21swapper/008:35:310
7304993410,12cyclictest6560-21unixbench_multi11:35:280
7304993319,4cyclictest3-21ksoftirqd/009:56:470
7304993318,8cyclictest19585-21diskstats09:20:160
7304993316,6cyclictest3-21ksoftirqd/011:30:100
7304993313,7cyclictest19904-21df07:55:150
730499331,19cyclictest17517-21seq12:05:240
175572331,26sleep017585-21aten_r4power_cu07:50:100
730599329,8cyclictest2225-21dbus-daemon07:39:501
730599327,4cyclictest81rcu_preempt09:15:081
7304993215,6cyclictest3-21ksoftirqd/008:33:370
7304993213,6cyclictest25743-21ntp_states09:35:250
7304993211,6cyclictest0-21swapper/008:43:370
7304993211,16cyclictest224032chrt10:53:540
289792321,4sleep128985-21diskstats09:45:151
289792321,4sleep128985-21diskstats09:45:151
230512321,3sleep122341-21/usr/sbin/munin12:20:221
159632321,27sleep015970-21df_inode07:45:150
132842321,27sleep113335-21aten_r4power_en10:30:151
730599318,13cyclictest40250irq/92-i91509:10:311
730599316,4cyclictest81rcu_preempt12:01:191
730599316,4cyclictest81rcu_preempt12:01:191
730599314,4cyclictest81rcu_preempt08:07:441
730599312,26cyclictest32267-21hddtemp_smartct12:45:171
730499312,16cyclictest0-21swapper/008:21:470
730499312,15cyclictest29156-21ntp_states11:10:240
7304993116,5cyclictest3-21ksoftirqd/011:40:470
7304993116,5cyclictest3-21ksoftirqd/010:11:330
7304993112,6cyclictest3-21ksoftirqd/010:01:250
62872311,26sleep16380-21df08:45:141
263632311,5sleep10-21swapper/109:37:171
229552311,26sleep122964-21df_inode10:55:131
13002311,3sleep01301-21sshd11:24:310
126492311,5sleep10-21swapper/111:53:581
120112310,4sleep0111rcuc/009:00:140
730599305,4cyclictest81rcu_preempt07:47:121
730599305,4cyclictest81rcu_preempt07:41:221
730599301,4cyclictest81rcu_preempt10:46:581
730499306,4cyclictest81rcu_preempt10:49:070
730499302,14cyclictest19143-21munin-run09:20:010
730499302,14cyclictest10588-21irqstats07:30:200
730499302,13cyclictest30862-21df_inode09:50:170
730499302,13cyclictest19398-21ntp_states12:10:250
7304993016,4cyclictest3-21ksoftirqd/011:29:330
7304993015,5cyclictest3-21ksoftirqd/011:53:220
730499301,4cyclictest81rcu_preempt09:10:230
730499301,4cyclictest81rcu_preempt09:09:170
7304993014,6cyclictest3-21ksoftirqd/007:40:070
7304993014,5cyclictest3-21ksoftirqd/009:46:020
7304993014,5cyclictest3-21ksoftirqd/009:46:020
7304993012,5cyclictest6928-21ntp_states08:45:250
730499301,17cyclictest31085-21ps11:15:250
298702301,5sleep129923-21proc_pri08:20:241
29292301,5sleep10-21swapper/112:54:161
284392301,5sleep00-21swapper/008:15:420
276722301,5sleep00-21swapper/012:33:390
127432301,5sleep00-21swapper/010:26:100
95692291,5sleep10-21swapper/108:53:471
92462291,5sleep00-21swapper/010:19:050
730599299,10cyclictest40250irq/92-i91509:40:151
730599295,4cyclictest81rcu_preempt11:57:281
730599295,4cyclictest81rcu_preempt11:04:031
730599294,4cyclictest81rcu_preempt12:37:471
730599294,19cyclictest5980-21iostat_ios11:35:191
730599292,23cyclictest23533-21hddtemp_smartct09:30:191
730499297,12cyclictest13971-21/usr/sbin/munin10:30:260
730499297,11cyclictest11564-21packagekitd11:56:160
730499295,13cyclictest0-21swapper/012:45:010
730499295,13cyclictest0-21swapper/012:45:000
730499293,13cyclictest0-21swapper/012:20:170
7304992912,5cyclictest1974-21lldpad11:04:500
730499291,14cyclictest16244-21timerandwakeup10:35:260
7304992910,5cyclictest24284-21processes08:05:270
7304992910,5cyclictest0-21swapper/012:17:140
30652291,5sleep10-21swapper/111:27:151
294322291,5sleep00-21swapper/012:37:260
284782291,5sleep10-21swapper/108:16:071
277342291,5sleep00-21swapper/011:05:350
246882291,5sleep00-21swapper/009:34:230
224832291,5sleep00-21swapper/009:25:580
148042291,5sleep00-21swapper/012:00:040
148042291,5sleep00-21swapper/012:00:040
133792291,5sleep10-21swapper/109:04:061
126842291,5sleep10-21swapper/110:25:351
111662291,5sleep10-21swapper/108:55:531
730599285,3cyclictest81rcu_preempt08:41:081
730599284,4cyclictest81rcu_preempt11:42:121
730599284,4cyclictest81rcu_preempt08:27:381
730599284,4cyclictest81rcu_preempt07:31:531
730599284,18cyclictest9761-21iostat_ios11:45:211
730599283,4cyclictest81rcu_preempt11:13:001
730599283,4cyclictest81rcu_preempt10:24:041
730599283,19cyclictest24513-21diskstats12:25:141
730599282,4cyclictest81rcu_preempt09:20:541
730599282,13cyclictest0-21swapper/111:08:361
7305992820,5cyclictest20059-21fschecks_time07:55:171
730599281,4cyclictest81rcu_preempt10:14:331
730499282,14cyclictest0-21swapper/012:45:000
730499282,14cyclictest0-21swapper/011:00:000
730499281,16cyclictest0-21swapper/010:44:350
7304992810,5cyclictest9756-21iostat11:45:200
7304992810,5cyclictest10211-21uniq08:55:170
48402281,5sleep10-21swapper/111:31:041
227202281,5sleep10-21swapper/109:28:261
217412281,5sleep10-21swapper/112:15:441
180422281,5sleep10-21swapper/112:06:171
180252281,4sleep118084-21cat10:40:251
17502281,5sleep10-21swapper/108:31:541
730599277,16cyclictest0-21swapper/109:05:141
730599274,4cyclictest81rcu_preempt08:12:401
7305992718,5cyclictest2726-21awk10:00:241
730599271,3cyclictest81rcu_preempt12:13:211
730499279,4cyclictest40250irq/92-i91507:39:500
51752271,5sleep10-21swapper/110:05:511
11252271,5sleep10-21swapper/111:22:421
111012271,4sleep00-21swapper/010:23:390
7305992617,5cyclictest22-21ksoftirqd/107:50:341
730599254,4cyclictest81rcu_preempt09:56:231
7305992510,11cyclictest21157-21fschecks_count10:50:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional