You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-13 - 21:13

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 #7, slot #7

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 rack7slot7s.osadl.org (updated Sat Jul 13, 2024 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1816211182,9sleep30-21swapper/307:06:333
193829986,9sleep10-21swapper/107:08:081
199929065,9sleep00-21swapper/007:08:540
197929066,6sleep20-21swapper/207:08:412
2160992727,0cyclictest30973-21ssh09:11:321
216499260,25cyclictest0-21swapper/210:05:312
2170992424,0cyclictest0-21swapper/310:59:053
216499230,1cyclictest0-21swapper/210:26:502
216099230,23cyclictest0-21swapper/111:50:291
215999230,22cyclictest0-21swapper/011:19:320
216099218,10cyclictest14255-21df_inode10:55:171
215999210,2cyclictest0-21swapper/011:31:320
215999210,16cyclictest0-21swapper/008:25:110
2164992019,1cyclictest0-21swapper/207:56:582
2160992017,1cyclictest0-21swapper/111:36:041
2160992015,1cyclictest25-21ksoftirqd/109:25:161
2160992015,1cyclictest25-21ksoftirqd/109:25:161
2170991919,0cyclictest0-21swapper/311:26:233
2164991918,1cyclictest0-21swapper/210:03:242
216499190,19cyclictest0-21swapper/212:36:182
216499190,19cyclictest0-21swapper/212:36:182
216499190,19cyclictest0-21swapper/211:21:512
216099190,10cyclictest0-21swapper/109:23:391
216499189,8cyclictest9121-21apache211:38:392
2164991817,1cyclictest0-21swapper/212:18:462
215999184,6cyclictest20597-21sendmail11:00:000
215999180,2cyclictest0-21swapper/010:02:190
217099171,3cyclictest16361-21ssh12:15:133
2164991716,1cyclictest7278-21kworker/2:211:32:372
2164991716,1cyclictest20705-21kworker/2:210:46:182
2164991710,6cyclictest2688-21grep09:15:152
216499170,1cyclictest0-21swapper/210:35:152
216499170,17cyclictest3285-21kworker/2:110:50:372
216499170,16cyclictest0-21swapper/211:49:162
216099172,0cyclictest141rcu_preempt12:19:511
216099170,0cyclictest141rcu_preempt10:34:061
215999176,6cyclictest25718-21munin-run12:40:000
215999176,6cyclictest25718-21munin-run12:39:590
215999175,6cyclictest21471-21systemctl11:40:010
215999172,9cyclictest0-21swapper/010:35:260
217099168,5cyclictest39-21ksoftirqd/310:20:163
217099164,11cyclictest7744-21snmpd10:53:303
217099161,15cyclictest0-21swapper/311:35:153
2170991610,2cyclictest39-21ksoftirqd/309:37:423
216499164,5cyclictest0-21swapper/211:14:052
2164991615,1cyclictest27103-21kworker/2:109:11:382
2164991614,2cyclictest32-21ksoftirqd/211:04:012
216499160,16cyclictest0-21swapper/211:05:272
216499160,16cyclictest0-21swapper/210:31:292
216099163,2cyclictest141rcu_preempt11:21:001
2160991614,1cyclictest25-21ksoftirqd/112:20:301
2160991614,1cyclictest25-21ksoftirqd/111:17:481
2160991613,2cyclictest25-21ksoftirqd/109:42:251
2160991612,4cyclictest9109-21apache209:32:181
2159991616,0cyclictest0-21swapper/009:14:140
215999160,6cyclictest0-21swapper/010:20:120
215999160,16cyclictest0-21swapper/009:41:030
215999160,15cyclictest0-21swapper/010:08:280
217099151,10cyclictest141rcu_preempt11:00:233
217099150,13cyclictest0-21swapper/312:32:393
216499151,2cyclictest0-21swapper/211:41:592
216499150,1cyclictest0-21swapper/212:07:272
216499150,15cyclictest0-21swapper/210:40:362
216099159,5cyclictest221irq_work/111:56:291
216099153,1cyclictest0-21swapper/111:45:101
2160991513,2cyclictest30217-21kworker/u8:209:37:401
2160991513,1cyclictest25-21ksoftirqd/110:03:531
216099150,2cyclictest0-21swapper/109:58:051
2159991513,1cyclictest9109-21apache210:18:490
215999151,14cyclictest0-21swapper/012:11:190
215999150,9cyclictest17675-21perf08:50:000
217099149,2cyclictest0-21swapper/310:05:113
217099142,8cyclictest32125-21ssh10:45:123
217099142,3cyclictest141rcu_preempt10:35:143
2170991413,1cyclictest0-21swapper/311:50:293
2170991413,1cyclictest0-21swapper/311:15:503
216499149,4cyclictest28398-21sleep08:05:012
2164991414,0cyclictest0-21swapper/212:24:062
2164991413,1cyclictest20499-21kworker/2:210:23:182
2164991413,1cyclictest20499-21kworker/2:210:16:382
2164991413,1cyclictest19990-21kworker/2:011:58:182
2164991413,1cyclictest10965-21kworker/2:111:53:582
2164991411,2cyclictest20544-21ssh10:13:452
2164991410,3cyclictest20277-21cat08:55:002
216499140,2cyclictest0-21swapper/210:57:322
216099142,0cyclictest141rcu_preempt12:34:091
2160991413,1cyclictest0-21swapper/109:19:571
2160991412,2cyclictest25-21ksoftirqd/110:07:471
2160991411,2cyclictest26931-21grep09:05:341
216099141,0cyclictest141rcu_preempt11:03:461
216099140,1cyclictest0-21swapper/110:27:461
216099140,11cyclictest0-21swapper/110:41:401
2159991410,3cyclictest689-21cron08:15:000
2159991410,3cyclictest23173-21ssh09:30:000
2159991410,3cyclictest23173-21ssh09:30:000
2159991410,2cyclictest25276-21cut10:40:170
215999140,12cyclictest0-21swapper/011:57:070
215999140,0cyclictest0-21swapper/011:25:540
281172130,1sleep10-21swapper/111:43:401
217099131,5cyclictest0-21swapper/309:23:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional