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2025-05-09 - 07:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, 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 
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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 rack8slot7s.osadl.org (updated Fri May 09, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3624991919,0cyclictest55650irq/125-lan23:14:180
3624991919,0cyclictest55650irq/125-lan20:22:560
3624991918,1cyclictest55650irq/125-lan23:30:410
3624991918,1cyclictest55650irq/125-lan23:23:220
3624991918,1cyclictest55650irq/125-lan23:06:260
3624991918,1cyclictest55650irq/125-lan22:52:560
3624991918,1cyclictest55650irq/125-lan22:48:000
3624991918,1cyclictest55650irq/125-lan22:39:100
3624991918,1cyclictest55650irq/125-lan22:32:420
3624991918,1cyclictest55650irq/125-lan22:14:350
3624991918,1cyclictest55650irq/125-lan22:04:470
3624991918,1cyclictest55650irq/125-lan21:36:370
3624991918,1cyclictest55650irq/125-lan21:10:080
3624991918,1cyclictest55650irq/125-lan00:35:130
3624991918,1cyclictest55650irq/125-lan00:31:390
3624991918,1cyclictest55650irq/125-lan00:12:060
3624991918,1cyclictest55650irq/125-lan00:02:340
3624991818,0cyclictest55650irq/125-lan22:56:050
3624991818,0cyclictest55650irq/125-lan22:40:520
3624991817,1cyclictest55650irq/125-lan23:55:510
3624991817,1cyclictest55650irq/125-lan23:53:080
3624991817,1cyclictest55650irq/125-lan23:47:080
3624991817,1cyclictest55650irq/125-lan23:41:560
3624991817,1cyclictest55650irq/125-lan23:36:260
3624991817,1cyclictest55650irq/125-lan23:17:340
3624991817,1cyclictest55650irq/125-lan23:03:200
3624991817,1cyclictest55650irq/125-lan22:29:570
3624991817,1cyclictest55650irq/125-lan22:20:160
3624991817,1cyclictest55650irq/125-lan22:05:150
3624991817,1cyclictest55650irq/125-lan21:51:240
3624991817,1cyclictest55650irq/125-lan21:30:280
3624991817,1cyclictest55650irq/125-lan21:26:400
3624991817,1cyclictest55650irq/125-lan21:15:190
3624991817,1cyclictest55650irq/125-lan20:30:350
3624991817,1cyclictest55650irq/125-lan20:15:180
3624991817,1cyclictest55650irq/125-lan00:25:250
3624991817,1cyclictest55650irq/125-lan00:24:320
3624991817,1cyclictest55650irq/125-lan00:17:150
3624991817,1cyclictest55650irq/125-lan00:05:040
3624991816,1cyclictest55650irq/125-lan22:15:100
3624991816,1cyclictest55650irq/125-lan20:25:180
3624991717,0cyclictest55650irq/125-lan21:56:320
3624991717,0cyclictest55650irq/125-lan21:20:160
3624991717,0cyclictest55650irq/125-lan19:11:190
3624991716,1cyclictest55650irq/125-lan23:26:410
3624991716,1cyclictest55650irq/125-lan20:50:010
3624991716,1cyclictest55650irq/125-lan20:35:090
3624991616,0cyclictest55650irq/125-lan20:40:350
3624991615,1cyclictest55650irq/125-lan21:45:170
3624991615,1cyclictest55650irq/125-lan21:02:220
3624991615,1cyclictest55650irq/125-lan20:10:200
3624991615,1cyclictest55650irq/125-lan20:00:100
3624991515,0cyclictest294-21hwrng19:35:590
3624991515,0cyclictest294-21hwrng19:17:320
3624991514,1cyclictest55650irq/125-lan19:50:160
3624991514,1cyclictest55650irq/125-lan19:42:410
3624991514,1cyclictest55650irq/125-lan19:30:170
3624991413,1cyclictest55650irq/125-lan21:08:380
3624991413,1cyclictest55650irq/125-lan20:47:200
3624991413,1cyclictest55650irq/125-lan19:55:180
3624991413,1cyclictest55650irq/125-lan19:20:140
3624991313,0cyclictest294-21hwrng20:06:420
3624991312,1cyclictest55650irq/125-lan19:45:020
3624991312,1cyclictest55650irq/125-lan19:25:180
362999120,12cyclictest17986-21taskset21:10:321
3624991211,1cyclictest55650irq/125-lan20:59:010
362999106,3cyclictest703-21snmpd20:58:231
362999106,3cyclictest703-21snmpd19:35:441
3629991010,0cyclictest294-21hwrng23:37:391
36299998,1cyclictest703-21snmpd23:56:411
36299998,1cyclictest703-21snmpd22:36:071
36299998,1cyclictest703-21snmpd22:09:371
36299998,1cyclictest703-21snmpd21:36:391
36299998,1cyclictest703-21snmpd20:36:331
36299998,1cyclictest703-21snmpd20:22:371
36299998,1cyclictest703-21snmpd00:01:431
36299996,2cyclictest703-21snmpd22:44:521
36299996,2cyclictest703-21snmpd21:07:381
36299988,0cyclictest703-21snmpd23:51:351
36299988,0cyclictest703-21snmpd22:53:001
36299988,0cyclictest703-21snmpd22:22:351
36299988,0cyclictest703-21snmpd22:19:351
36299988,0cyclictest703-21snmpd21:16:341
36299988,0cyclictest703-21snmpd00:35:391
36299987,1cyclictest703-21snmpd23:14:571
36299987,1cyclictest703-21snmpd23:00:301
36299987,1cyclictest703-21snmpd20:30:061
36299987,1cyclictest703-21snmpd20:11:331
36299987,1cyclictest703-21snmpd19:29:501
36299987,1cyclictest703-21snmpd00:21:121
36299987,1cyclictest703-21snmpd00:12:571
36299987,1cyclictest703-21snmpd00:09:501
36299987,1cyclictest23758-21proc_pri23:05:201
36299987,1cyclictest14217-21timerwakeupswit23:30:241
36299987,1cyclictest11308-21gltestperf19:30:151
36299986,2cyclictest703-21snmpd23:41:281
36299986,2cyclictest703-21snmpd22:49:061
36299986,2cyclictest703-21snmpd20:47:131
36299985,2cyclictest703-21snmpd21:59:061
36299985,2cyclictest703-21snmpd20:18:301
36299985,2cyclictest703-21snmpd00:28:541
36299977,0cyclictest703-21snmpd22:28:411
36299977,0cyclictest703-21snmpd21:29:421
36299977,0cyclictest20662-21ntp_kernel_pll_00:15:201
36299976,1cyclictest8015-21ntp_kernel_err19:20:131
36299976,1cyclictest703-21snmpd21:43:091
36299976,1cyclictest703-21snmpd20:41:001
36299976,1cyclictest703-21snmpd20:26:161
36299976,1cyclictest703-21snmpd19:15:331
36299976,1cyclictest32216-21missed_timers23:15:141
36299976,1cyclictest28862-21head22:00:151
36299976,1cyclictest18908-21ntp_kernel_err19:50:141
36299976,1cyclictest14451-21grep22:55:171
36299973,4cyclictest20737-21sed19:55:161
36299966,0cyclictest703-21snmpd20:53:351
36299966,0cyclictest703-21snmpd19:42:261
36299966,0cyclictest294-21hwrng23:22:161
36299965,1cyclictest5686-21fschecks_time22:10:141
36299965,1cyclictest423-21irqbalance23:29:521
36299965,1cyclictest26038-21gltestperf21:20:151
36299965,1cyclictest24733-21kworker/u4:2+nfsiod21:46:441
36299965,1cyclictest24445-21gltestperf20:05:151
36299965,1cyclictest23311-21apt-key22:30:001
36299965,1cyclictest0-21swapper/119:10:151
36299964,2cyclictest703-21snmpd21:33:511
36299964,1cyclictest0-21swapper/121:50:171
36299962,3cyclictest703-21snmpd00:30:271
36299961,4cyclictest14205-21cat21:05:011
36299953,2cyclictest703-21snmpd23:49:111
36299953,2cyclictest16864-21cat19:45:161
36299951,3cyclictest22346-21cut20:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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