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2024-10-09 - 03:19

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 the 792 highest latencies:
System rack9slot4s (updated Tue Oct 08, 2024 12:59:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68529912261193,29cyclictest0-21swapper/107:25:121
68519912161166,37cyclictest7080-21aten_r4power_vo07:25:120
67132566471,31sleep00-21swapper/007:24:080
65722563517,31sleep10-21swapper/107:22:401
278052550,2sleep127806-21grep08:15:271
55982520,3sleep10-21swapper/110:10:151
6852994714,6cyclictest22-21ksoftirqd/109:45:181
6852994712,6cyclictest22-21ksoftirqd/112:00:191
685299444,14cyclictest3074-21aten_r4power_cu11:30:101
685299437,6cyclictest22-21ksoftirqd/107:35:141
685299436,6cyclictest22-21ksoftirqd/109:10:001
685299416,4cyclictest81rcu_preempt12:25:221
685299416,4cyclictest81rcu_preempt10:55:341
685299414,6cyclictest22-21ksoftirqd/108:20:241
685299406,4cyclictest81rcu_preempt12:10:141
685299405,4cyclictest81rcu_preempt09:25:191
685299404,6cyclictest22-21ksoftirqd/112:35:121
685299392,6cyclictest22-21ksoftirqd/108:25:241
6852993925,4cyclictest22-21ksoftirqd/108:50:301
6852993919,4cyclictest22-21ksoftirqd/110:37:551
685299387,4cyclictest81rcu_preempt09:00:121
685299386,6cyclictest22-21ksoftirqd/109:17:051
685299385,4cyclictest81rcu_preempt10:40:321
685299383,9cyclictest22-21ksoftirqd/107:30:131
685299383,6cyclictest22-21ksoftirqd/110:30:131
685299383,4cyclictest81rcu_preempt11:05:101
6852993818,5cyclictest22-21ksoftirqd/111:40:011
685299381,13cyclictest163392/usr/sbin/munin07:45:281
685199383,11cyclictest81rcu_preempt10:34:120
61512382,32sleep16164-21hddtemp_smartct08:45:231
685299378,5cyclictest22-21ksoftirqd/109:30:271
685299377,9cyclictest22-21ksoftirqd/109:55:481
685299374,6cyclictest22-21ksoftirqd/111:03:471
685299374,5cyclictest22-21ksoftirqd/112:48:561
685299373,4cyclictest81rcu_preempt10:19:041
685299371,7cyclictest22-21ksoftirqd/110:24:341
685299371,7cyclictest22-21ksoftirqd/108:00:231
685299371,6cyclictest22-21ksoftirqd/110:05:101
685299365,5cyclictest22-21ksoftirqd/108:36:351
685299364,5cyclictest22-21ksoftirqd/111:12:171
6852993622,4cyclictest22-21ksoftirqd/109:35:181
685299361,7cyclictest22-21ksoftirqd/111:20:241
685299361,6cyclictest22-21ksoftirqd/112:05:101
685299361,6cyclictest22-21ksoftirqd/109:20:241
685299361,6cyclictest14590-21unixbench_singl07:40:301
685199368,13cyclictest19257-21timerwakeupswit12:10:290
685299355,4cyclictest81rcu_preempt11:50:241
685299355,4cyclictest81rcu_preempt11:50:231
685299354,4cyclictest81rcu_preempt11:57:471
685299353,4cyclictest81rcu_preempt08:55:121
685299353,4cyclictest81rcu_preempt08:10:191
685299351,7cyclictest22-21ksoftirqd/111:25:251
6852993517,4cyclictest22-21ksoftirqd/110:00:101
685299351,6cyclictest22-21ksoftirqd/110:25:171
685199359,14cyclictest81rcu_preempt10:05:000
179482351,30sleep018022-21cat12:10:010
685299344,4cyclictest81rcu_preempt12:50:241
685299342,4cyclictest81rcu_preempt10:45:191
6852993420,4cyclictest22-21ksoftirqd/109:10:181
6852993418,4cyclictest22-21ksoftirqd/109:53:231
685299341,7cyclictest22-21ksoftirqd/108:30:261
6852993417,4cyclictest22-21ksoftirqd/108:40:281
6852993413,7cyclictest22-21ksoftirqd/110:52:421
685199343,15cyclictest9038-21memory07:30:020
685199341,21cyclictest6703-21wc11:40:020
685299338,10cyclictest22-21ksoftirqd/111:45:141
685299333,4cyclictest81rcu_preempt12:41:591
6852993318,5cyclictest22-21ksoftirqd/112:20:201
6852993316,4cyclictest22-21ksoftirqd/109:40:111
6852993311,5cyclictest22-21ksoftirqd/112:30:121
6852993311,5cyclictest22-21ksoftirqd/112:30:111
685199333,8cyclictest32650-21diskstats08:30:150
160512331,3sleep00-21swapper/007:45:260
144832331,9sleep00-21swapper/009:05:360
685299321,4cyclictest81rcu_preempt07:55:321
6852993212,4cyclictest22-21ksoftirqd/111:15:211
685199322,16cyclictest5591-21df_inode10:10:130
685199321,4cyclictest81rcu_preempt11:40:170
6851993214,4cyclictest40950irq/93-i91510:53:470
685199321,19cyclictest1572-21ntp_states12:50:260
264032323,5sleep00-21swapper/008:13:360
6852993115,4cyclictest22-21ksoftirqd/112:15:241
6852993113,4cyclictest22-21ksoftirqd/108:05:111
6852993112,4cyclictest22-21ksoftirqd/111:40:231
685199317,12cyclictest81rcu_preempt08:50:120
685199316,12cyclictest15739-21seq12:01:310
685199314,7cyclictest12762-21diskstats11:55:150
685199313,21cyclictest31853-21munin-run09:55:000
685199311,17cyclictest24177-21aten_r4power_en11:00:110
685199311,14cyclictest13089-21sort09:05:010
174442310,4sleep00-21swapper/010:40:270
685299301,6cyclictest22-21ksoftirqd/107:50:191
685199307,12cyclictest40950irq/93-i91508:20:230
685199304,19cyclictest29705-21diskstats12:40:130
685199302,15cyclictest17236-21/usr/sbin/munin09:15:130
685199302,14cyclictest23150-21users12:20:310
685199301,9cyclictest20957-21aten_r4power_po08:00:190
6851993010,4cyclictest0-21swapper/008:25:130
685199294,18cyclictest13941-21iostat_ios07:40:200
685199293,14cyclictest0-21swapper/008:55:310
685199292,14cyclictest0-21swapper/011:18:300
685199291,4cyclictest81rcu_preempt12:48:560
685199291,4cyclictest81rcu_preempt10:05:100
6851992914,4cyclictest81rcu_preempt09:35:220
685199291,15cyclictest32024-21wget09:55:110
6851992911,5cyclictest28248-21/usr/sbin/munin09:45:090
6851992911,5cyclictest24246-21taskset08:05:420
685199291,14cyclictest7536-21grep10:15:160
685199291,14cyclictest27866-21grep12:35:150
685199291,14cyclictest15776-21switchtime10:35:280
685199291,13cyclictest18507-21aten_r4power_cu10:45:110
6851992910,6cyclictest0-21swapper/009:43:110
685199290,4cyclictest81rcu_preempt11:14:390
272142291,5sleep00-21swapper/012:33:360
272142291,5sleep00-21swapper/012:33:350
204542291,5sleep00-21swapper/007:57:380
685199289,6cyclictest32717-21ls11:20:290
685199282,14cyclictest8999-21df11:45:130
685199282,14cyclictest21035-21/usr/sbin/munin09:25:150
685199281,15cyclictest12548-21runrttasks10:28:410
685199281,14cyclictest24364-21irqstats12:25:220
51012281,5sleep00-21swapper/008:40:550
236712281,5sleep00-21swapper/010:57:100
214932281,5sleep00-21swapper/012:17:510
104952281,5sleep00-21swapper/010:21:530
70282271,5sleep00-21swapper/008:46:200
685199279,6cyclictest15888-21grep09:10:230
685199271,4cyclictest81rcu_preempt08:36:030
685199271,3cyclictest81rcu_preempt11:30:150
685199271,13cyclictest23066-21perl09:30:160
685199271,13cyclictest18111-21python07:50:280
6851992710,5cyclictest12205-21cron11:54:000
6851992710,5cyclictest12205-21cron11:54:000
24412271,5sleep00-21swapper/011:26:060
203782271,4sleep00-21swapper/009:23:080
114482271,4sleep00-21swapper/007:35:100
685199261,13cyclictest26876-21cat08:15:120
685199261,13cyclictest26322-21sort11:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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