You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-23 - 02:22

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 #e, slot #5

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 100 highest latencies:
System rackeslot5s.osadl.org (updated Sat Aug 22, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11902993028,1cyclictest34-21ksoftirqd/310:05:003
1190299260,0cyclictest0-21swapper/309:46:553
11896992625,1cyclictest22-21ksoftirqd/109:46:551
1189299260,25cyclictest313-21systemd-journal07:20:000
11902992523,1cyclictest0-21swapper/311:25:233
1189899250,24cyclictest0-21swapper/210:54:052
1189899250,24cyclictest0-21swapper/207:10:212
1189699250,24cyclictest10349-21phc2sys-jitter12:05:291
1189699250,0cyclictest0-21swapper/111:29:491
11902992419,1cyclictest0-21swapper/310:59:033
1190299240,23cyclictest0-21swapper/310:47:463
11898992422,1cyclictest20744-21mailstats11:45:302
11898992419,4cyclictest0-21swapper/209:48:552
1189899240,23cyclictest6031-21diskmemload09:39:272
11896992420,0cyclictest0-21swapper/110:19:041
1189699240,24cyclictest0-21swapper/109:58:241
1189699240,24cyclictest0-21swapper/109:33:121
1189699240,21cyclictest0-21swapper/111:37:101
1189699240,1cyclictest6031-21diskmemload10:00:101
1189299240,24cyclictest0-21swapper/011:19:240
1189299240,1cyclictest15846-21ssh09:46:030
1189299240,0cyclictest6031-21diskmemload11:53:090
11902992323,0cyclictest6031-21diskmemload12:32:033
11902992323,0cyclictest6031-21diskmemload11:57:323
11902992323,0cyclictest6031-21diskmemload11:09:513
11902992323,0cyclictest0-21swapper/312:39:573
11902992323,0cyclictest0-21swapper/312:29:553
11902992323,0cyclictest0-21swapper/311:51:193
11902992323,0cyclictest0-21swapper/311:35:563
11902992323,0cyclictest0-21swapper/311:19:193
11902992323,0cyclictest0-21swapper/310:27:483
11902992323,0cyclictest0-21swapper/310:20:403
11902992323,0cyclictest0-21swapper/310:18:353
11902992323,0cyclictest0-21swapper/309:19:413
11902992323,0cyclictest0-21swapper/309:12:043
11902992323,0cyclictest0-21swapper/308:35:223
1190299230,3cyclictest24358-21latency_hist11:50:013
1190299230,2cyclictest24303-21ssh12:18:273
1190299230,23cyclictest0-21swapper/310:31:563
1190299230,22cyclictest8020-21sh10:09:123
1190299230,22cyclictest6031-21diskmemload09:22:133
1190299230,22cyclictest31897-21apt-get07:50:213
1190299230,22cyclictest27035-21rm09:56:033
1190299230,22cyclictest0-21swapper/312:12:473
1190299230,22cyclictest0-21swapper/310:35:043
1190299230,22cyclictest0-21swapper/309:33:063
1190299230,0cyclictest151rcu_preempt10:54:213
1190299230,0cyclictest0-21swapper/311:33:563
1190299230,0cyclictest0-21swapper/311:00:523
1190299230,0cyclictest0-21swapper/309:37:543
11898992323,0cyclictest0-21swapper/212:36:532
11898992323,0cyclictest0-21swapper/212:21:232
11898992323,0cyclictest0-21swapper/210:10:492
11898992323,0cyclictest0-21swapper/210:08:212
11898992321,1cyclictest8624-21ssh09:10:442
11898992321,1cyclictest4541-21memory12:00:272
11898992321,1cyclictest0-21swapper/212:15:132
11898992321,1cyclictest0-21swapper/211:25:502
11898992321,1cyclictest0-21swapper/210:48:022
11898992320,3cyclictest0-21swapper/210:21:112
11898992318,4cyclictest0-21swapper/212:30:282
1189899230,23cyclictest0-21swapper/210:04:362
1189899230,22cyclictest4656-21sh11:31:052
1189899230,22cyclictest16923-21sed10:15:312
1189899230,0cyclictest6031-21diskmemload11:15:352
1189899230,0cyclictest0-21swapper/212:25:442
1189899230,0cyclictest0-21swapper/212:11:332
1189899230,0cyclictest0-21swapper/210:55:322
11896992323,0cyclictest0-21swapper/112:35:561
11896992323,0cyclictest0-21swapper/112:19:471
11896992323,0cyclictest0-21swapper/111:20:161
11896992323,0cyclictest0-21swapper/110:56:511
11896992323,0cyclictest0-21swapper/110:28:571
11896992323,0cyclictest0-21swapper/109:50:181
11896992323,0cyclictest0-21swapper/109:41:381
11896992322,1cyclictest6031-21diskmemload09:24:221
11896992321,1cyclictest17049-21ssh11:14:281
1189699230,23cyclictest6031-21diskmemload11:07:201
1189699230,23cyclictest26214-21ssh10:53:061
1189699230,23cyclictest0-21swapper/110:43:161
1189699230,22cyclictest9702-21ssh09:12:021
1189699230,22cyclictest8938-21ssh12:33:331
1189699230,22cyclictest6432-21sh12:01:561
1189699230,22cyclictest16465-21ssh10:45:101
1189699230,22cyclictest14825-21ssh12:10:241
1189699230,1cyclictest23208-21ssh10:21:101
1189699230,0cyclictest0-21swapper/111:00:311
1189699230,0cyclictest0-21swapper/110:11:101
1189699230,0cyclictest0-21swapper/109:18:541
11892992323,0cyclictest6031-21diskmemload12:29:210
11892992323,0cyclictest6031-21diskmemload12:10:150
11892992323,0cyclictest6031-21diskmemload10:37:370
11892992323,0cyclictest0-21swapper/011:40:110
11892992323,0cyclictest0-21swapper/011:37:460
11892992323,0cyclictest0-21swapper/010:53:550
11892992322,1cyclictest0-21swapper/009:31:320
11892992321,1cyclictest0-21swapper/011:10:230
11892992321,1cyclictest0-21swapper/009:10:240
11892992320,2cyclictest23343-21ssh10:21:300
1189299230,23cyclictest6031-21diskmemload09:26:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional