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2025-11-01 - 10:11

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 highest latencies:
System rack8slot7s.osadl.org (updated Sat Nov 01, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21546992019,1cyclictest55650irq/125-lan21:30:170
21546992018,1cyclictest55650irq/125-lan22:19:000
21546991918,1cyclictest55650irq/125-lan23:24:160
21546991918,1cyclictest55650irq/125-lan23:19:100
21546991918,1cyclictest55650irq/125-lan23:08:290
21546991918,1cyclictest55650irq/125-lan22:55:480
21546991918,1cyclictest55650irq/125-lan22:43:000
21546991918,1cyclictest55650irq/125-lan22:30:100
21546991918,1cyclictest55650irq/125-lan22:05:410
21546991918,1cyclictest55650irq/125-lan22:00:470
21546991918,1cyclictest55650irq/125-lan21:50:200
21546991918,1cyclictest55650irq/125-lan21:25:120
21546991918,1cyclictest55650irq/125-lan21:11:230
21546991918,1cyclictest55650irq/125-lan19:46:020
21546991918,1cyclictest55650irq/125-lan00:35:510
21546991918,1cyclictest55650irq/125-lan00:30:010
21546991918,1cyclictest55650irq/125-lan00:27:350
21546991918,1cyclictest55650irq/125-lan00:20:170
21546991918,1cyclictest55650irq/125-lan00:19:210
21546991918,1cyclictest55650irq/125-lan00:05:530
21546991918,0cyclictest55650irq/125-lan22:11:250
21546991917,1cyclictest55650irq/125-lan19:15:330
21546991818,0cyclictest55650irq/125-lan22:35:260
21546991817,1cyclictest55650irq/125-lan23:54:220
21546991817,1cyclictest55650irq/125-lan23:47:060
21546991817,1cyclictest55650irq/125-lan23:40:460
21546991817,1cyclictest55650irq/125-lan23:35:260
21546991817,1cyclictest55650irq/125-lan23:30:490
21546991817,1cyclictest55650irq/125-lan23:12:250
21546991817,1cyclictest55650irq/125-lan23:03:010
21546991817,1cyclictest55650irq/125-lan22:50:380
21546991817,1cyclictest55650irq/125-lan22:45:390
21546991817,1cyclictest55650irq/125-lan22:20:110
21546991817,1cyclictest55650irq/125-lan21:58:510
21546991817,1cyclictest55650irq/125-lan21:47:550
21546991817,1cyclictest55650irq/125-lan21:41:190
21546991817,1cyclictest55650irq/125-lan21:22:160
21546991817,1cyclictest55650irq/125-lan20:31:370
21546991817,1cyclictest55650irq/125-lan20:08:340
21546991817,1cyclictest55650irq/125-lan19:35:200
21546991817,1cyclictest55650irq/125-lan00:10:170
21546991817,1cyclictest55650irq/125-lan00:01:290
21546991717,0cyclictest55650irq/125-lan23:58:310
21546991716,1cyclictest55650irq/125-lan23:26:040
21546991716,1cyclictest55650irq/125-lan22:25:180
21546991716,1cyclictest55650irq/125-lan21:36:210
21546991716,1cyclictest55650irq/125-lan20:43:270
21546991716,1cyclictest55650irq/125-lan20:20:180
21546991716,1cyclictest55650irq/125-lan20:00:160
21546991716,1cyclictest55650irq/125-lan19:58:380
21546991716,1cyclictest55650irq/125-lan19:52:210
21546991716,1cyclictest55650irq/125-lan19:30:150
21546991716,1cyclictest55650irq/125-lan19:13:290
21546991615,1cyclictest55650irq/125-lan20:55:340
21546991615,1cyclictest55650irq/125-lan20:54:290
21546991615,1cyclictest55650irq/125-lan20:16:540
21546991514,1cyclictest55650irq/125-lan20:26:430
21546991514,1cyclictest55650irq/125-lan19:43:250
21546991413,1cyclictest55650irq/125-lan20:35:210
21546991413,1cyclictest55650irq/125-lan19:25:220
21546991413,1cyclictest55650irq/125-lan19:20:240
21546991313,0cyclictest55650irq/125-lan21:04:380
21546991312,1cyclictest55650irq/125-lan20:12:570
21550991212,0cyclictest294-21hwrng00:08:341
21546991212,0cyclictest55650irq/125-lan21:06:020
21546991211,1cyclictest55650irq/125-lan20:45:150
2155099109,1cyclictest11486-21sh21:50:191
215509998,1cyclictest703-21snmpd22:38:531
215509998,1cyclictest703-21snmpd21:57:311
215509998,1cyclictest703-21snmpd21:11:361
215509998,1cyclictest703-21snmpd19:27:321
215509998,1cyclictest703-21snmpd00:00:441
215509998,1cyclictest294-21hwrng22:13:541
215509998,1cyclictest294-21hwrng21:28:501
215509998,1cyclictest294-21hwrng21:15:311
215509998,1cyclictest27445-21processes20:50:181
215509998,1cyclictest26809-21sh21:35:011
215509998,1cyclictest26457-21awk23:45:171
215509996,3cyclictest703-21snmpd22:33:441
215509996,2cyclictest703-21snmpd19:10:141
215509988,0cyclictest703-21snmpd23:21:191
215509988,0cyclictest703-21snmpd23:00:221
215509988,0cyclictest703-21snmpd00:35:331
215509988,0cyclictest703-21snmpd00:13:301
215509988,0cyclictest294-21hwrng23:34:481
215509988,0cyclictest294-21hwrng23:07:081
215509988,0cyclictest294-21hwrng22:51:471
215509988,0cyclictest294-21hwrng22:03:381
215509988,0cyclictest294-21hwrng21:32:551
215509988,0cyclictest294-21hwrng00:15:451
215509987,1cyclictest703-21snmpd00:20:331
215509987,1cyclictest30833-21needreboot21:00:161
215509987,1cyclictest294-21hwrng22:48:421
215509987,1cyclictest23153-21ntp_kernel_pll_20:40:151
215509986,2cyclictest703-21snmpd23:51:111
215509986,2cyclictest703-21snmpd23:28:071
215509986,2cyclictest703-21snmpd21:47:011
215509985,3cyclictest703-21snmpd22:41:141
215509985,2cyclictest703-21snmpd20:18:561
215509977,0cyclictest703-21snmpd19:47:241
215509977,0cyclictest703-21snmpd19:40:581
215509977,0cyclictest294-21hwrng23:56:171
215509977,0cyclictest294-21hwrng23:41:581
215509977,0cyclictest294-21hwrng23:17:221
215509977,0cyclictest294-21hwrng21:20:381
215509977,0cyclictest294-21hwrng21:05:161
215509977,0cyclictest294-21hwrng20:36:361
215509976,1cyclictest703-21snmpd22:21:031
215509976,1cyclictest30028-21ntp_kernel_pll_00:25:141
215509976,1cyclictest28386-21/usr/sbin/munin20:55:211
215509976,1cyclictest27187-21mailstats22:05:211
215509976,1cyclictest11221-21cat22:55:131
215509976,1cyclictest0-21swapper/121:40:201
215509975,2cyclictest703-21snmpd20:33:551
215509975,2cyclictest703-21snmpd20:01:151
215509975,2cyclictest703-21snmpd19:58:361
215509975,2cyclictest703-21snmpd00:32:151
215509975,2cyclictest15224-21ntpq22:25:171
215509974,3cyclictest15829-21ntpq20:20:201
215509974,2cyclictest703-21snmpd19:15:411
215509966,0cyclictest703-21snmpd20:29:521
215509966,0cyclictest703-21snmpd19:24:321
215509966,0cyclictest294-21hwrng23:13:161
215509966,0cyclictest294-21hwrng22:19:011
215509966,0cyclictest294-21hwrng20:49:551
215509966,0cyclictest294-21hwrng19:33:071
215509963,2cyclictest15785-21dpkg23:35:011
215509960,2cyclictest32556-21turbostat19:40:001
215509955,0cyclictest703-21snmpd20:11:371
215509950,1cyclictest0-21swapper/119:50:151
215509942,2cyclictest9696-21fschecks_count20:05:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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