You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-20 - 16:26

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 Mon Jul 20, 2026 12:59:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272979912111185,22cyclictest8783-21apt-get08:00:001
272979911321108,21cyclictest27459-21wget07:25:081
263612600523,56sleep10-21swapper/107:20:251
269122579533,31sleep00-21swapper/007:21:330
27296992573,248cyclictest0-21swapper/007:25:080
2729699123115,5cyclictest8913-21cat08:00:010
323482740,3sleep132345-21sh11:51:001
264842720,2sleep126483-21fschecks_time08:45:171
27296996019,4cyclictest0-21swapper/009:55:110
2729699532,21cyclictest15883-21df12:35:130
68642480,8sleep12729799cyclictest10:45:151
293502441,3sleep129480-21munin-node07:30:021
23862412,35sleep12695-21snmpd10:33:281
2729799356,4cyclictest81rcu_preempt08:15:201
2729699352,22cyclictest13048-21perl09:35:180
231052351,4sleep123141-21ntp_states08:35:251
87552340,4sleep1211ktimersoftd/110:50:161
2729699349,12cyclictest7191-21mailstats12:10:290
2729699346,5cyclictest81rcu_preempt11:50:130
2729699341,20cyclictest24083-21iostat11:30:210
174972342,5sleep117592-21users09:45:301
2729699338,10cyclictest27503-21ls11:40:120
141492331,28sleep114221-21hddtemp_smartct12:30:181
2729799325,4cyclictest81rcu_preempt07:43:421
27297993216,9cyclictest16262-21diskstats11:10:161
2729699329,8cyclictest11565-21gdbus11:29:150
2729699326,8cyclictest0-21swapper/011:13:520
27296993213,7cyclictest29997-21perl10:20:160
102692321,4sleep110307-21tune2fs12:20:151
63962311,26sleep16414-21pidof10:45:011
2729799315,4cyclictest81rcu_preempt09:28:521
2729699319,12cyclictest3387-21cstates09:10:120
2729699315,4cyclictest81rcu_preempt12:19:000
2729699315,14cyclictest29254-21cpu11:45:130
2729699313,4cyclictest81rcu_preempt09:07:220
2729699313,15cyclictest0-21swapper/009:03:230
2729699312,16cyclictest0-21swapper/010:25:180
27296993112,5cyclictest3390-21iostat10:35:200
27296993111,6cyclictest30440-21iostat_ios08:55:200
27296993111,6cyclictest24140-21df_inode10:05:130
2729699311,14cyclictest11699-21munin-plugin-st12:24:590
3592306,5sleep122-21ksoftirqd/110:27:121
27297993024,4cyclictest137450irq/90-eth008:10:191
2729799302,25cyclictest0-21swapper/108:00:191
2729799301,4cyclictest81rcu_preempt09:09:251
2729799301,4cyclictest81rcu_preempt08:54:491
2729799301,4cyclictest81rcu_preempt08:32:111
27297993014,5cyclictest81rcu_preempt12:40:111
27297993011,15cyclictest0-21swapper/109:40:171
2729699301,19cyclictest0-21swapper/008:41:000
27296993011,5cyclictest1331-21/usr/sbin/munin07:40:150
231542301,5sleep10-21swapper/111:28:151
170792301,5sleep10-21swapper/112:37:331
97252291,5sleep10-21swapper/112:19:201
8032291,5sleep00-21swapper/007:36:290
290682291,5sleep10-21swapper/110:17:221
288102291,5sleep10-21swapper/111:43:171
2729799296,4cyclictest81rcu_preempt11:37:011
2729799296,4cyclictest81rcu_preempt09:54:341
2729799295,4cyclictest81rcu_preempt11:48:041
2729799294,4cyclictest81rcu_preempt08:58:391
27297992919,6cyclictest26099-21tune2fs10:10:151
27297992915,8cyclictest12858-21diskstats09:35:151
2729799291,4cyclictest81rcu_preempt08:26:551
2729799291,19cyclictest0-21swapper/109:15:021
2729699295,20cyclictest21612-21unixbench_multi08:30:290
2729699294,13cyclictest11565-21gdbus09:52:300
2729699292,14cyclictest6218-21python07:50:270
2729699292,14cyclictest3684-21sort07:45:160
2729699292,14cyclictest13519-21irqstats08:10:220
2729699292,14cyclictest11124-21ntpdc10:55:240
2729699292,13cyclictest722-21df11:55:160
2729699292,13cyclictest18330-21ntp_states12:40:250
2729699291,4cyclictest81rcu_preempt11:18:180
2729699291,4cyclictest81rcu_preempt11:09:260
2729699291,24cyclictest21728-21sort12:50:170
27296992911,6cyclictest20880-21/usr/sbin/munin11:20:300
2729699291,15cyclictest29497-21munin-node07:30:020
27296992911,5cyclictest12458-21irqstats12:25:220
257952291,5sleep10-21swapper/108:43:461
158802291,5sleep00-21swapper/009:42:030
309382281,5sleep10-21swapper/110:22:031
2729799289,6cyclictest22-21ksoftirqd/110:55:231
2729799286,4cyclictest81rcu_preempt09:23:041
2729799284,4cyclictest81rcu_preempt11:06:221
2729799284,3cyclictest81rcu_preempt12:03:451
2729799284,18cyclictest6502-21diskstats12:10:161
2729799283,4cyclictest81rcu_preempt11:22:481
2729799283,4cyclictest81rcu_preempt07:37:511
2729799282,4cyclictest81rcu_preempt12:05:161
2729799282,4cyclictest81rcu_preempt09:32:241
27297992812,11cyclictest854-21tune2fs11:55:181
2729699282,14cyclictest0-21swapper/010:40:100
2729699282,13cyclictest5342-21python12:05:280
2729699282,13cyclictest22612-21diskstats08:35:160
2729699281,13cyclictest9132-21memory10:50:230
27296992810,6cyclictest8258-21seq10:49:510
27296992810,6cyclictest26555-21perl08:45:180
27296992810,5cyclictest9738-21/usr/sbin/munin09:25:260
27296992810,5cyclictest16691-21/usr/sbin/munin08:20:230
268572281,5sleep00-21swapper/011:37:450
226892281,5sleep10-21swapper/112:51:531
208462281,5sleep10-21swapper/112:47:131
199892281,5sleep00-21swapper/008:27:010
181282281,5sleep10-21swapper/108:22:121
131372281,5sleep10-21swapper/112:25:341
122572281,5sleep00-21swapper/009:33:380
66642271,5sleep00-21swapper/009:19:110
2729799274,8cyclictest23790-21diskstats11:30:161
2729799274,7cyclictest5802-21iostat_ios07:50:211
27297992714,10cyclictest22-21ksoftirqd/108:05:181
2729699279,7cyclictest28121-21hwlatdetect10:15:150
2729699279,7cyclictest15168-21taskset12:32:090
2729699271,8cyclictest17595-21who09:45:310
2729699271,14cyclictest0-21swapper/010:00:120
2729699271,13cyclictest11565-21gdbus08:52:280
193052271,5sleep10-21swapper/111:17:271
6592261,4sleep10-21swapper/109:01:371
47082261,5sleep10-21swapper/109:13:241
2729799268,15cyclictest13095-21proc_pri11:00:251
2729799266,4cyclictest81rcu_preempt10:03:171
2729799264,14cyclictest0-21swapper/107:48:191
2729799263,4cyclictest81rcu_preempt09:59:211
2729799263,14cyclictest0-21swapper/110:05:571
2729799262,20cyclictest0-21swapper/110:38:291
2729699269,5cyclictest24122grep12:00:110
2729699262,12cyclictest0-21swapper/011:00:240
2729699261,4cyclictest81rcu_preempt08:06:140
2729699261,14cyclictest0-21swapper/008:01:130
2729699251,15cyclictest0-21swapper/012:48:500
2729699251,15cyclictest0-21swapper/010:30:080
2729699251,15cyclictest0-21swapper/010:10:470
2729699251,10cyclictest8644-21sh09:25:000
27296992416,5cyclictest3-21ksoftirqd/008:15:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional