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2026-11-05 - 15:08

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 Thu Nov 05, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25963992019,1cyclictest58550irq/125-lan11:46:551
25963992019,1cyclictest58550irq/125-lan11:04:231
25963992019,1cyclictest58550irq/125-lan09:15:021
25963991918,1cyclictest58550irq/125-lan12:35:201
25963991918,1cyclictest58550irq/125-lan12:24:521
25963991918,1cyclictest58550irq/125-lan12:05:221
25963991918,1cyclictest58550irq/125-lan12:01:501
25963991918,1cyclictest58550irq/125-lan11:52:511
25963991918,1cyclictest58550irq/125-lan11:35:581
25963991918,1cyclictest58550irq/125-lan11:34:101
25963991918,1cyclictest58550irq/125-lan11:22:181
25963991918,1cyclictest58550irq/125-lan11:15:151
25963991918,1cyclictest58550irq/125-lan11:12:291
25963991918,1cyclictest58550irq/125-lan10:45:421
25963991918,1cyclictest58550irq/125-lan10:32:451
25963991918,1cyclictest58550irq/125-lan10:26:471
25963991918,1cyclictest58550irq/125-lan10:16:581
25963991918,1cyclictest58550irq/125-lan10:10:531
25963991918,1cyclictest58550irq/125-lan09:36:311
25963991918,1cyclictest58550irq/125-lan09:30:511
25963991918,1cyclictest58550irq/125-lan09:25:321
25963991918,1cyclictest58550irq/125-lan09:20:081
25963991918,1cyclictest58550irq/125-lan08:59:551
25963991918,1cyclictest58550irq/125-lan08:13:041
25963991918,1cyclictest58550irq/125-lan08:08:271
25963991918,1cyclictest58550irq/125-lan07:31:421
25963991917,1cyclictest58550irq/125-lan12:25:111
25963991917,1cyclictest58550irq/125-lan12:18:551
25963991917,1cyclictest58550irq/125-lan12:11:101
25963991818,0cyclictest58550irq/125-lan11:40:151
25963991818,0cyclictest58550irq/125-lan09:51:141
25963991818,0cyclictest58550irq/125-lan08:26:581
25963991817,1cyclictest58550irq/125-lan11:55:301
25963991817,1cyclictest58550irq/125-lan11:06:581
25963991817,1cyclictest58550irq/125-lan10:55:151
25963991817,1cyclictest58550irq/125-lan10:44:201
25963991817,1cyclictest58550irq/125-lan10:39:591
25963991817,1cyclictest58550irq/125-lan10:20:061
25963991817,1cyclictest58550irq/125-lan10:05:181
25963991817,1cyclictest58550irq/125-lan10:04:431
25963991817,1cyclictest58550irq/125-lan09:58:021
25963991817,1cyclictest58550irq/125-lan09:46:091
25963991817,1cyclictest58550irq/125-lan09:42:331
25963991817,1cyclictest58550irq/125-lan08:31:211
25963991817,1cyclictest58550irq/125-lan08:20:191
25963991817,1cyclictest58550irq/125-lan07:20:131
25963991817,1cyclictest58550irq/125-lan07:15:171
25963991717,0cyclictest58550irq/125-lan12:30:271
25963991717,0cyclictest58550irq/125-lan09:00:191
25963991717,0cyclictest58550irq/125-lan07:50:121
25963991717,0cyclictest58550irq/125-lan07:39:531
25963991716,1cyclictest58550irq/125-lan11:25:351
25963991716,1cyclictest58550irq/125-lan09:10:181
25963991716,1cyclictest58550irq/125-lan07:49:541
25963991716,1cyclictest58550irq/125-lan07:27:581
25963991716,1cyclictest58550irq/125-lan07:12:281
25963991616,0cyclictest58550irq/125-lan07:42:461
25963991615,1cyclictest58550irq/125-lan09:05:171
25963991615,1cyclictest58550irq/125-lan08:45:441
25963991615,1cyclictest58550irq/125-lan08:35:141
25963991614,2cyclictest58550irq/125-lan08:00:161
25963991515,0cyclictest58550irq/125-lan07:55:181
25963991514,1cyclictest58550irq/125-lan08:50:201
25963991514,1cyclictest58550irq/125-lan08:40:121
25963991514,1cyclictest58550irq/125-lan08:15:001
25956991514,1cyclictest11887-21kworker/0:0+events10:20:370
25956991414,0cyclictest292-21hwrng11:23:490
2595699106,3cyclictest720-21snmpd09:46:520
25956991010,0cyclictest292-21hwrng08:25:390
259569999,0cyclictest292-21hwrng09:10:420
259569998,1cyclictest720-21snmpd11:36:230
259569998,1cyclictest720-21snmpd11:19:230
259569998,1cyclictest720-21snmpd08:56:270
259569998,1cyclictest720-21snmpd08:10:550
259569998,1cyclictest623-21thermald11:08:310
259569998,1cyclictest18602-21ntp_kernel_pll_08:15:180
259569996,3cyclictest31060-21ntpq12:25:160
259569996,2cyclictest720-21snmpd11:59:510
259569996,2cyclictest720-21snmpd11:41:110
259569996,2cyclictest720-21snmpd11:28:150
259569996,2cyclictest720-21snmpd10:57:520
259569996,2cyclictest720-21snmpd07:25:230
259569996,2cyclictest720-21snmpd07:20:450
259569995,3cyclictest720-21snmpd09:05:000
259569995,3cyclictest720-21snmpd08:43:440
259569988,0cyclictest720-21snmpd08:47:440
259569988,0cyclictest720-21snmpd07:52:250
259569988,0cyclictest292-21hwrng11:48:230
259569988,0cyclictest292-21hwrng10:43:530
259569988,0cyclictest292-21hwrng10:34:400
259569988,0cyclictest292-21hwrng09:41:250
259569987,1cyclictest7670-21ntp_kernel_pll_07:45:170
259569987,1cyclictest720-21snmpd11:52:180
259569987,1cyclictest720-21snmpd10:05:450
259569987,1cyclictest720-21snmpd09:26:340
259569987,1cyclictest720-21snmpd09:07:060
259569987,1cyclictest720-21snmpd08:33:590
259569987,1cyclictest292-21hwrng10:16:140
259569987,1cyclictest28601-21ntp_kernel_pll_07:15:170
259569987,1cyclictest21543-21/usr/sbin/munin10:00:170
259569987,1cyclictest20422-21ntp_kernel_err08:20:160
259569987,1cyclictest11988-21timerandwakeup09:15:190
259569986,2cyclictest720-21snmpd09:50:070
259569985,2cyclictest720-21snmpd12:05:190
259569985,2cyclictest720-21snmpd11:14:250
259569985,2cyclictest720-21snmpd10:36:330
259569985,2cyclictest720-21snmpd07:55:580
259569985,2cyclictest720-21snmpd07:13:090
259569977,0cyclictest720-21snmpd08:03:580
259569977,0cyclictest292-21hwrng12:21:100
259569977,0cyclictest292-21hwrng12:18:050
259569977,0cyclictest292-21hwrng10:28:310
259569977,0cyclictest292-21hwrng07:39:340
259569976,1cyclictest720-21snmpd10:54:070
259569976,1cyclictest7132-21gltestperf12:00:150
259569976,1cyclictest3036-21acpi12:30:110
259569976,1cyclictest1086-21sendmail_mailqu10:45:210
259569976,1cyclictest0-21swapper/011:30:170
259569976,1cyclictest0-21swapper/010:10:200
259569975,2cyclictest720-21snmpd09:21:190
259569975,2cyclictest720-21snmpd08:52:540
259569974,2cyclictest720-21snmpd12:10:510
259569974,2cyclictest720-21snmpd08:07:060
259569974,2cyclictest720-21snmpd07:33:240
259569966,0cyclictest292-21hwrng12:36:310
259569966,0cyclictest292-21hwrng09:32:120
259569965,1cyclictest720-21snmpd08:36:470
259569964,1cyclictest0-21swapper/007:40:210
259569963,2cyclictest17580-21ntpq09:55:180
259569951,1cyclictest14240-21apt-get11:00:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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