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2024-09-01 - 01:00

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 376 highest latencies:
System rack9slot4s (updated Sat Aug 31, 2024 12:59:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30669912341210,20cyclictest4958-21/usr/sbin/munin07:30:001
29512832787,30sleep10-21swapper/107:24:291
28722613518,28sleep00-21swapper/007:23:390
306599174151,16cyclictest5059-21munin-node07:30:000
304662600,8sleep1306699cyclictest10:00:121
119282480,9sleep1306699cyclictest09:10:181
230362450,5sleep1201rcuc/112:30:261
3066993928,7cyclictest27777-21/usr/sbin/munin12:45:121
3065993912,14cyclictest2220-21dbus-daemon12:25:000
3065993912,14cyclictest2220-21dbus-daemon12:24:590
254992361,31sleep130944-21snmpd12:38:511
124422351,30sleep112464-21idleruntime-cro12:05:001
306699345,4cyclictest81rcu_preempt11:05:291
306699342,4cyclictest81rcu_preempt08:34:581
3065993411,12cyclictest15401-21/usr/sbin/munin09:20:150
317772331,28sleep12294-21avahi-daemon08:35:491
3066993319,4cyclictest22-21ksoftirqd/111:40:221
306699331,4cyclictest81rcu_preempt09:38:331
306699331,14cyclictest189922wc09:30:121
296222331,12sleep00-21swapper/009:56:050
306699325,4cyclictest81rcu_preempt12:06:441
306699324,4cyclictest81rcu_preempt07:41:541
3066993210,4cyclictest81rcu_preempt07:55:201
306599326,12cyclictest0-21swapper/007:40:260
306599323,16cyclictest0-21swapper/011:48:480
306599321,19cyclictest19332-21netstat10:55:240
197832321,27sleep119832-21vmstat10:55:311
325482310,8sleep1306699cyclictest10:05:161
306699315,4cyclictest81rcu_preempt09:51:441
306699314,4cyclictest81rcu_preempt10:16:511
306699313,25cyclictest7975-21diskstats07:35:141
306699311,4cyclictest81rcu_preempt11:20:201
306699311,4cyclictest81rcu_preempt08:28:171
306699311,17cyclictest3181-21/usr/sbin/munin08:45:291
306599312,24cyclictest17289-21diskstats09:25:150
306599312,15cyclictest0-21swapper/008:15:000
306599312,14cyclictest20443-21users08:05:310
306599311,4cyclictest81rcu_preempt12:42:110
3065993113,5cyclictest22129-21wget12:30:120
3065993110,17cyclictest1424-21taskset08:42:570
306699309,7cyclictest6204-21gdbus08:22:541
306699306,4cyclictest81rcu_preempt10:13:341
306699306,13cyclictest40950irq/93-i91510:50:231
306699304,4cyclictest81rcu_preempt09:03:071
306699303,4cyclictest81rcu_preempt07:32:161
3066993011,6cyclictest3020-21runrttasks11:48:161
306599303,15cyclictest11121-21tune2fs12:00:160
306599302,15cyclictest0-21swapper/011:02:340
306599302,13cyclictest27004-21irqstats09:50:210
306599301,4cyclictest81rcu_preempt09:30:310
306599301,4cyclictest81rcu_preempt09:06:380
306599301,4cyclictest81rcu_preempt08:16:470
3065993013,5cyclictest16473-21users07:55:280
3065993012,5cyclictest3245-21wget11:40:110
306599301,15cyclictest24707-21ntp_kernel_pll_12:35:230
306599301,13cyclictest31965-21taskset08:37:460
3065993010,7cyclictest22626-21df_inode11:05:140
306599300,4cyclictest81rcu_preempt09:42:030
260812301,25sleep126090-21/usr/sbin/munin12:40:131
5942291,5sleep10-21swapper/111:30:481
5942291,5sleep10-21swapper/111:30:481
306699296,12cyclictest40950irq/93-i91512:12:261
306699295,4cyclictest81rcu_preempt08:52:071
306699295,4cyclictest81rcu_preempt08:08:061
306699294,19cyclictest9127-21diskstats11:55:141
306699293,4cyclictest81rcu_preempt12:28:001
306699293,4cyclictest81rcu_preempt10:20:481
306699293,19cyclictest21056-21iostat_ios11:00:201
306699292,4cyclictest81rcu_preempt09:18:131
306699292,4cyclictest81rcu_preempt07:49:391
3066992919,6cyclictest14221-21/usr/sbin/munin07:50:261
306699291,4cyclictest81rcu_preempt11:17:191
306699291,4cyclictest81rcu_preempt10:31:171
306699291,4cyclictest81rcu_preempt08:12:461
306599298,6cyclictest25115-21iostat09:45:200
306599292,15cyclictest26676-21iostat11:15:160
306599292,14cyclictest28281-21df11:20:190
306599292,14cyclictest27537-21ntp_states08:25:240
306599292,14cyclictest21565-21runrttasks12:26:570
306599292,14cyclictest16898-21/usr/sbin/munin12:15:190
306599291,4cyclictest81rcu_preempt11:32:040
306599291,4cyclictest81rcu_preempt11:32:030
3065992912,5cyclictest5250-21ntpq07:30:010
306599291,17cyclictest0-21swapper/008:22:540
3065992911,5cyclictest16678-21/usr/sbin/munin10:50:120
3065992910,6cyclictest1195-21wget11:35:100
301032291,5sleep00-21swapper/008:32:590
163542291,5sleep00-21swapper/010:48:200
144132291,5sleep10-21swapper/110:42:401
55422281,4sleep10-21swapper/108:55:011
312722281,5sleep10-21swapper/111:26:471
306699287,18cyclictest2220-21dbus-daemon09:25:561
306699285,12cyclictest40950irq/93-i91511:50:141
306699284,4cyclictest81rcu_preempt12:17:421
306699284,4cyclictest81rcu_preempt09:23:351
306699283,9cyclictest18866-21iostat_ios12:20:201
306699283,9cyclictest18866-21iostat_ios12:20:201
306699283,4cyclictest81rcu_preempt12:51:261
306699283,4cyclictest81rcu_preempt10:27:231
306699282,4cyclictest81rcu_preempt11:39:021
306699282,13cyclictest11621-21iostat_ios10:35:191
3066992818,6cyclictest15459-21/usr/sbin/munin10:45:221
306599286,12cyclictest40950irq/93-i91507:38:490
306599282,14cyclictest3876-21/usr/sbin/munin10:15:160
306599282,13cyclictest6430-21ls10:20:270
306599282,13cyclictest4488-21/usr/sbin/munin08:50:290
306599282,13cyclictest430-21ntp_states10:05:240
306599282,13cyclictest1772-21df10:10:140
306599282,12cyclictest30465-21iostat_ios11:25:200
306599281,5cyclictest81rcu_preempt09:02:470
3065992812,5cyclictest10224-21/usr/sbin/munin10:30:290
306599281,14cyclictest30358-21cpuspeed_turbos10:00:120
306599281,10cyclictest0-21swapper/008:02:490
3065992810,6cyclictest13404-21tr09:15:130
242842281,5sleep10-21swapper/108:16:161
240862281,5sleep10-21swapper/109:42:081
306699274,4cyclictest81rcu_preempt09:07:081
306699273,4cyclictest81rcu_preempt08:42:421
306699272,4cyclictest81rcu_preempt09:57:071
306699271,4cyclictest81rcu_preempt11:13:271
306599276,7cyclictest8453-21grep10:25:280
3065992715,8cyclictest13728-21ntpdc10:40:230
306599271,4cyclictest81rcu_preempt11:54:100
306599271,17cyclictest0-21swapper/007:45:480
306599271,13cyclictest9773-21/usr/sbin/munin11:55:260
306599271,13cyclictest3548-21runrttasks08:49:140
306599271,11cyclictest30143-21if_eth012:50:150
306599270,4cyclictest81rcu_preempt10:36:560
259072271,5sleep10-21swapper/109:46:331
222462271,5sleep00-21swapper/009:37:450
187542271,4sleep10-21swapper/108:02:211
159522271,4sleep00-21swapper/012:12:250
306599265,6cyclictest13827-21hddtemp_smartct07:50:170
3065992615,7cyclictest13833-21grep12:05:270
306599261,4cyclictest81rcu_preempt08:56:260
306599258,5cyclictest25712-21taskset11:12:470
306599251,16cyclictest0-21swapper/012:49:120
3065992510,11cyclictest2220-21dbus-daemon09:10:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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