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2024-11-02 - 13:03

OSADL QA Farm on Real-time of Mainline Linux

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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 
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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 all highest latencies:
System rack9slot4s (updated Sat Nov 02, 2024 00:59:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280319911771138,26cyclictest28406-21cstates19:25:140
280329911111102,6cyclictest0-21swapper/119:25:131
275482555511,29sleep00-21swapper/019:20:300
277372463416,32sleep10-21swapper/119:22:301
89132820,9sleep02803199cyclictest21:22:490
2803299751,36cyclictest4020-21aten_r4power_cu19:45:111
2803299732,35cyclictest22918-21ntp_states23:25:241
2803299731,40cyclictest12138-21chrt22:56:111
2803299722,37cyclictest30944-21snmpd20:06:581
2803299722,37cyclictest30944-21snmpd20:06:581
2803299721,35cyclictest16602-21cpuspeed_turbos23:10:121
2803299711,38cyclictest7635-21latency_hist19:55:011
2803299711,38cyclictest29008-21if_eth020:50:191
2803299711,37cyclictest27476-21chrt20:45:261
2803299711,37cyclictest18873-21if_eth023:15:191
2803299702,37cyclictest8312-21if_eth019:55:191
2803299702,33cyclictest9877-21iostat21:25:171
2803299702,33cyclictest4233-21irqstats21:10:201
2803299702,33cyclictest4096-21ntp_states22:35:241
2803299701,38cyclictest10199-21chrt22:50:311
2803299701,35cyclictest6903-21chrt21:16:401
2803299701,35cyclictest32503-21df_inode21:00:131
2803299701,35cyclictest25465-21chrt23:32:491
2803299701,35cyclictest24035-21chrt22:03:391
2803299701,35cyclictest17157-21chrt20:20:041
2803299701,35cyclictest15875-21chrt23:05:531
2803299701,35cyclictest14375-21chrt23:04:461
2803299692,36cyclictest3020-21runrttasks23:41:541
2803299692,33cyclictest2844-21chrt22:32:251
2803299691,37cyclictest25267-21chrt22:05:241
2803299691,37cyclictest18065-21aten_r4power_vo00:40:121
2803299691,34cyclictest31425-21chrt22:22:091
2803299691,34cyclictest31033-21chrt23:46:551
2803299691,34cyclictest2687-21chrt21:05:241
2803299691,34cyclictest21614-21chrt23:21:491
2803299691,34cyclictest17695-21chrt00:39:001
2803299691,33cyclictest26792-21iostat22:10:181
2803299691,33cyclictest10130-21hddtemp_smartct20:00:151
2803299682,35cyclictest12890-21if_eth000:25:181
2803299682,33cyclictest2533-21hddtemp_smartct19:40:181
2803299682,32cyclictest8674-21users21:20:301
2803299682,31cyclictest28774-21memory22:15:211
2803299682,31cyclictest1512-21irqstats23:55:181
2803299681,36cyclictest11783-21chrt00:21:031
2803299681,34cyclictest31796-21chrt20:57:301
2803299681,34cyclictest18342-21chrt21:48:121
2803299681,33cyclictest26176-21chrt20:42:401
2803299681,33cyclictest19029-21chrt20:25:031
2803299681,33cyclictest14774-21cat00:30:161
2803299681,32cyclictest5486-21memory00:05:211
2803299681,31cyclictest15618-21memory21:40:221
2803299673,32cyclictest15272-21/usr/sbin/munin20:15:271
2803299672,34cyclictest30944-21snmpd21:32:161
2803299671,35cyclictest19445-21/usr/sbin/munin21:50:231
2803299671,33cyclictest7495-21ntpq00:10:251
2803299671,33cyclictest23077-21chrt00:50:591
2803299671,33cyclictest13682-21df_inode20:10:121
28032996710,35cyclictest3020-21runrttasks22:28:291
2803299661,38cyclictest31735-21expr23:50:121
2803299661,32cyclictest1051-21find19:35:261
2803299661,29cyclictest9153-21iostat_ios00:15:201
2803299651,44cyclictest22795-21/usr/sbin/munin20:35:281
2803299641,43cyclictest26309-21fschecks_time23:35:151
2803299641,35cyclictest3020-21runrttasks00:04:381
2803299641,32cyclictest21495-21taskset21:55:251
2803299641,31cyclictest13198-21ls21:35:131
2803299601,41cyclictest21652-21tail20:30:211
2803299591,40cyclictest31633-21grep19:30:261
2803299591,37cyclictest5769-21grep22:40:191
2803299591,36cyclictest7148-21aten_r4power_vo22:45:101
2803299561,36cyclictest20148-21cstates00:45:121
229712550,2sleep022972-21ls20:35:140
272102490,5sleep01-21init23:36:280
2803199382,21cyclictest13591-21users00:25:290
2803199351,22cyclictest5666-21/usr/sbin/munin00:05:260
28031993424,6cyclictest31675-21cat19:30:260
2803199339,12cyclictest21311-21cat23:20:270
2803199333,16cyclictest13511-21ntp_states23:00:230
2803199331,20cyclictest5761-21irqstats22:40:190
183422330,10sleep02803199cyclictest23:15:100
2803199324,4cyclictest81rcu_preempt20:25:080
2803199321,19cyclictest0-21swapper/023:46:260
84012311,5sleep00-21swapper/022:46:210
2803199315,14cyclictest0-21swapper/000:22:380
2803199314,13cyclictest6204-21gdbus23:06:490
2803199313,16cyclictest0-21swapper/021:40:060
28031993120,6cyclictest17798-21turbostat.cron00:40:000
2803199311,4cyclictest81rcu_preempt00:04:270
28031993113,6cyclictest10902-21users20:00:270
28031993112,6cyclictest9580-21diskstats21:25:130
2803199311,16cyclictest6262-21grep21:15:220
28031993111,6cyclictest4975-21runrttasks22:39:570
2803199311,16cyclictest0-21swapper/021:55:190
2803199311,13cyclictest0-21swapper/021:10:320
2803199311,13cyclictest0-21swapper/019:43:300
2803199311,12cyclictest0-21swapper/021:03:540
99732301,5sleep00-21swapper/000:17:000
2803199309,6cyclictest18888-21latency_hist20:25:010
2803199302,13cyclictest6204-21gdbus21:50:080
28031993020,6cyclictest2070-21ls23:55:270
2803199301,4cyclictest81rcu_preempt21:33:570
2803199301,25cyclictest26036-21cron22:10:000
2803199301,12cyclictest29452-21cron23:45:000
239962301,5sleep00-21swapper/022:03:150
213412301,5sleep00-21swapper/000:47:260
16892301,5sleep00-21swapper/019:38:360
150832301,5sleep00-21swapper/020:14:480
10392301,5sleep00-21swapper/022:29:150
2803199294,19cyclictest26801-21iostat_ios22:10:190
2803199293,13cyclictest24983-21diskstats20:40:140
2803199292,14cyclictest29769-21cron20:50:590
2803199292,13cyclictest28377-21df_inode22:15:130
2803199292,13cyclictest27002-21cut20:45:160
2803199292,13cyclictest15862-21iostat20:15:200
28031992919,6cyclictest31823-21fschecks_count23:50:140
2803199291,5cyclictest81rcu_preempt22:55:090
2803199291,4cyclictest81rcu_preempt21:38:110
2803199291,16cyclictest18051-21cut00:40:110
28031992911,5cyclictest10335-21taskset22:51:580
181312291,5sleep00-21swapper/023:14:510
130952291,4sleep00-21swapper/020:08:360
130952291,4sleep00-21swapper/020:08:360
81112281,5sleep00-21swapper/000:12:090
2803199288,6cyclictest2220-21dbus-daemon19:45:130
2803199284,4cyclictest81rcu_preempt23:25:120
2803199282,13cyclictest2376-21NetworkManager22:30:370
2803199282,12cyclictest17399-21iostat_ios21:45:170
28031992817,6cyclictest22422-21sort00:50:220
2803199281,4cyclictest81rcu_preempt20:30:220
28031992813,11cyclictest25143-21unixbench_multi23:30:270
2803199281,14cyclictest1748-21/usr/sbin/munin21:05:090
157662281,5sleep00-21swapper/000:33:270
2803199272,11cyclictest0-21swapper/020:55:180
2803199271,8cyclictest30283-21/usr/sbin/munin22:20:140
86292260,4sleep08630-21ps19:55:270
2803199251,13cyclictest6804-21/usr/sbin/munin19:50:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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