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2025-11-17 - 19:35

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 Mon Nov 17, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31973992019,1cyclictest55650irq/125-lan11:05:011
31973992019,1cyclictest55650irq/125-lan10:33:211
31973992019,1cyclictest55650irq/125-lan09:31:521
31973992018,2cyclictest55650irq/125-lan11:15:321
31973991918,1cyclictest55650irq/125-lan12:38:141
31973991918,1cyclictest55650irq/125-lan12:33:201
31973991918,1cyclictest55650irq/125-lan12:02:141
31973991918,1cyclictest55650irq/125-lan11:48:301
31973991918,1cyclictest55650irq/125-lan11:30:321
31973991918,1cyclictest55650irq/125-lan11:28:591
31973991918,1cyclictest55650irq/125-lan11:10:151
31973991918,1cyclictest55650irq/125-lan10:58:481
31973991918,1cyclictest55650irq/125-lan10:27:071
31973991918,1cyclictest55650irq/125-lan10:15:531
31973991918,1cyclictest55650irq/125-lan10:06:371
31973991918,1cyclictest55650irq/125-lan10:02:391
31973991918,1cyclictest55650irq/125-lan09:45:101
31973991918,1cyclictest55650irq/125-lan09:40:521
31973991918,1cyclictest55650irq/125-lan09:35:141
31973991918,1cyclictest55650irq/125-lan09:20:231
31973991918,1cyclictest55650irq/125-lan09:11:311
31973991918,1cyclictest55650irq/125-lan08:52:501
31973991918,1cyclictest55650irq/125-lan08:05:191
31973991918,1cyclictest55650irq/125-lan08:02:441
31973991818,0cyclictest55650irq/125-lan12:08:541
31973991818,0cyclictest55650irq/125-lan11:07:101
31973991818,0cyclictest55650irq/125-lan08:28:011
31973991818,0cyclictest55650irq/125-lan07:51:071
31973991818,0cyclictest55650irq/125-lan07:28:081
31973991817,1cyclictest55650irq/125-lan12:15:571
31973991817,1cyclictest55650irq/125-lan12:10:021
31973991817,1cyclictest55650irq/125-lan11:55:351
31973991817,1cyclictest55650irq/125-lan11:42:461
31973991817,1cyclictest55650irq/125-lan11:35:211
31973991817,1cyclictest55650irq/125-lan11:22:181
31973991817,1cyclictest55650irq/125-lan10:53:471
31973991817,1cyclictest55650irq/125-lan10:45:051
31973991817,1cyclictest55650irq/125-lan10:43:281
31973991817,1cyclictest55650irq/125-lan10:21:111
31973991817,1cyclictest55650irq/125-lan10:10:321
31973991817,1cyclictest55650irq/125-lan09:55:301
31973991817,1cyclictest55650irq/125-lan09:50:291
31973991817,1cyclictest55650irq/125-lan09:15:161
31973991817,1cyclictest55650irq/125-lan09:05:191
31973991817,1cyclictest55650irq/125-lan09:02:341
31973991816,2cyclictest55650irq/125-lan07:10:191
31973991816,1cyclictest55650irq/125-lan08:55:021
31973991717,0cyclictest55650irq/125-lan12:20:131
31973991716,1cyclictest55650irq/125-lan11:51:551
31973991716,1cyclictest55650irq/125-lan10:35:161
31973991716,1cyclictest55650irq/125-lan09:25:381
31973991716,1cyclictest55650irq/125-lan08:45:431
31973991716,1cyclictest55650irq/125-lan08:35:361
31973991716,1cyclictest55650irq/125-lan08:10:551
31973991716,1cyclictest55650irq/125-lan07:57:531
31973991716,1cyclictest55650irq/125-lan07:45:221
31973991716,1cyclictest55650irq/125-lan07:45:221
31973991716,0cyclictest55650irq/125-lan12:26:291
31973991616,0cyclictest55650irq/125-lan08:15:481
31973991615,1cyclictest55650irq/125-lan08:41:531
31973991615,1cyclictest55650irq/125-lan07:40:091
31973991615,1cyclictest55650irq/125-lan07:35:191
31973991615,1cyclictest55650irq/125-lan07:33:091
31973991615,1cyclictest55650irq/125-lan07:18:291
31973991514,1cyclictest55650irq/125-lan08:30:341
31973991514,1cyclictest55650irq/125-lan07:24:421
31973991413,1cyclictest55650irq/125-lan08:24:341
31970991313,0cyclictest294-21hwrng11:39:590
31970991212,0cyclictest294-21hwrng07:27:030
31970991111,0cyclictest1288-21kworker/0:0+tpm_dev_wq11:10:590
3197099109,1cyclictest684-21sshd10:46:330
31970991010,0cyclictest294-21hwrng10:30:210
319709999,0cyclictest3240-21apt-get09:35:130
319709999,0cyclictest294-21hwrng09:08:260
319709998,1cyclictest703-21snmpd12:25:330
319709998,1cyclictest703-21snmpd09:19:520
319709998,1cyclictest703-21snmpd08:53:150
319709996,2cyclictest703-21snmpd10:05:240
319709996,2cyclictest703-21snmpd09:40:450
319709988,0cyclictest703-21snmpd11:42:040
319709988,0cyclictest703-21snmpd11:09:540
319709988,0cyclictest703-21snmpd09:10:170
319709988,0cyclictest294-21hwrng12:14:470
319709988,0cyclictest294-21hwrng09:50:250
319709988,0cyclictest294-21hwrng09:34:010
319709988,0cyclictest294-21hwrng07:55:430
319709988,0cyclictest294-21hwrng07:39:200
319709988,0cyclictest294-21hwrng07:34:130
319709987,1cyclictest726-21grep11:55:010
319709987,1cyclictest703-21snmpd07:49:470
319709987,1cyclictest703-21snmpd07:49:460
319709987,1cyclictest6163-21ntp_kernel_pll_10:50:180
319709987,1cyclictest294-21hwrng11:15:240
319709987,1cyclictest294-21hwrng09:22:450
319709987,1cyclictest25575-21ntp_kernel_pll_10:35:170
319709987,1cyclictest10702-21processes10:55:220
319709986,2cyclictest703-21snmpd10:17:450
319709986,2cyclictest703-21snmpd09:03:380
319709986,2cyclictest703-21snmpd08:33:060
319709986,2cyclictest703-21snmpd08:27:540
319709986,2cyclictest703-21snmpd07:43:130
319709986,1cyclictest703-21snmpd08:17:020
319709985,3cyclictest703-21snmpd08:06:400
319709980,8cyclictest6182-21turbostat10:15:000
319709977,0cyclictest703-21snmpd10:22:400
319709977,0cyclictest294-21hwrng12:31:110
319709977,0cyclictest294-21hwrng12:23:000
319709977,0cyclictest294-21hwrng12:02:300
319709977,0cyclictest294-21hwrng11:55:200
319709977,0cyclictest294-21hwrng11:28:420
319709977,0cyclictest294-21hwrng11:01:050
319709977,0cyclictest294-21hwrng10:42:380
319709977,0cyclictest294-21hwrng09:55:320
319709977,0cyclictest294-21hwrng09:45:180
319709977,0cyclictest294-21hwrng08:21:200
319709977,0cyclictest294-21hwrng08:02:530
319709977,0cyclictest294-21hwrng07:19:540
319709977,0cyclictest23564-21http08:15:000
319709976,1cyclictest3638-21pmu-power08:45:200
319709976,1cyclictest294-21hwrng10:01:400
319709976,1cyclictest29073-21kworker/u4:1+nfsiod11:46:490
319709976,1cyclictest22543-21pmu-power12:15:210
319709976,1cyclictest0-21swapper/009:25:130
319709975,2cyclictest703-21snmpd12:07:310
319709975,2cyclictest703-21snmpd08:37:000
319709974,2cyclictest703-21snmpd08:41:300
319709966,0cyclictest294-21hwrng12:36:170
319709966,0cyclictest294-21hwrng11:31:470
319709966,0cyclictest294-21hwrng07:21:560
319709965,1cyclictest703-21snmpd07:50:530
319709965,1cyclictest32238-21fschecks_count07:10:140
319709960,5cyclictest709-21runrttasks11:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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