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2025-11-23 - 09:48

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 100 highest latencies:
System rack8slot7s.osadl.org (updated Sun Nov 23, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32486992929,0cyclictest22609-21fwupd20:05:581
32486991918,1cyclictest55650irq/125-lan23:40:281
32486991918,1cyclictest55650irq/125-lan23:39:121
32486991918,1cyclictest55650irq/125-lan23:25:191
32486991918,1cyclictest55650irq/125-lan23:20:181
32486991918,1cyclictest55650irq/125-lan23:02:531
32486991918,1cyclictest55650irq/125-lan22:55:161
32486991918,1cyclictest55650irq/125-lan22:46:111
32486991918,1cyclictest55650irq/125-lan22:35:051
32486991918,1cyclictest55650irq/125-lan22:07:291
32486991918,1cyclictest55650irq/125-lan21:54:231
32486991918,1cyclictest55650irq/125-lan21:48:561
32486991918,1cyclictest55650irq/125-lan21:32:061
32486991918,1cyclictest55650irq/125-lan21:28:311
32486991918,1cyclictest55650irq/125-lan21:12:461
32486991918,1cyclictest55650irq/125-lan19:45:151
32486991918,1cyclictest55650irq/125-lan00:25:011
32486991918,1cyclictest55650irq/125-lan00:10:201
32486991917,1cyclictest55650irq/125-lan22:12:181
32486991917,1cyclictest55650irq/125-lan00:21:461
32486991818,0cyclictest55650irq/125-lan23:50:191
32486991818,0cyclictest55650irq/125-lan23:31:001
32486991818,0cyclictest55650irq/125-lan22:40:501
32486991818,0cyclictest55650irq/125-lan22:22:051
32486991818,0cyclictest55650irq/125-lan00:39:081
32486991817,1cyclictest55650irq/125-lan23:49:491
32486991817,1cyclictest55650irq/125-lan23:15:161
32486991817,1cyclictest55650irq/125-lan23:10:201
32486991817,1cyclictest55650irq/125-lan23:07:321
32486991817,1cyclictest55650irq/125-lan22:50:171
32486991817,1cyclictest55650irq/125-lan22:32:191
32486991817,1cyclictest55650irq/125-lan22:25:081
32486991817,1cyclictest55650irq/125-lan22:16:191
32486991817,1cyclictest55650irq/125-lan22:03:171
32486991817,1cyclictest55650irq/125-lan21:36:081
32486991817,1cyclictest55650irq/125-lan21:18:311
32486991817,1cyclictest55650irq/125-lan21:05:381
32486991817,1cyclictest55650irq/125-lan20:40:071
32486991817,1cyclictest55650irq/125-lan00:31:011
32486991817,1cyclictest55650irq/125-lan00:15:181
32486991817,1cyclictest55650irq/125-lan00:06:351
32486991817,1cyclictest55650irq/125-lan00:01:031
32486991816,2cyclictest55650irq/125-lan21:55:171
32486991717,0cyclictest55650irq/125-lan21:40:111
32486991717,0cyclictest55650irq/125-lan21:20:501
32486991717,0cyclictest55650irq/125-lan21:04:471
32486991717,0cyclictest55650irq/125-lan20:00:391
32486991716,1cyclictest55650irq/125-lan23:58:551
32486991716,1cyclictest55650irq/125-lan20:53:331
32486991716,1cyclictest55650irq/125-lan20:37:361
32486991716,1cyclictest55650irq/125-lan20:27:041
32486991716,1cyclictest55650irq/125-lan20:22:101
32486991716,1cyclictest55650irq/125-lan20:10:131
32486991716,1cyclictest55650irq/125-lan19:50:191
32486991716,1cyclictest55650irq/125-lan19:36:511
32486991716,1cyclictest55650irq/125-lan19:17:291
32486991616,0cyclictest55650irq/125-lan19:14:481
32486991615,1cyclictest55650irq/125-lan20:55:541
32486991615,1cyclictest55650irq/125-lan19:56:091
32486991615,1cyclictest55650irq/125-lan19:30:151
32486991615,1cyclictest55650irq/125-lan19:27:381
32486991615,1cyclictest55650irq/125-lan19:20:171
32486991515,0cyclictest55650irq/125-lan20:16:261
32486991514,1cyclictest55650irq/125-lan20:32:181
32486991413,1cyclictest55650irq/125-lan19:41:441
32486991312,1cyclictest55650irq/125-lan20:45:171
32482991010,0cyclictest294-21hwrng19:36:300
32482991010,0cyclictest294-21hwrng00:01:420
324829999,0cyclictest703-21snmpd23:24:000
324829999,0cyclictest703-21snmpd21:39:000
324829998,1cyclictest703-21snmpd22:05:390
324829998,1cyclictest703-21snmpd21:44:150
324829998,1cyclictest703-21snmpd19:24:100
324829998,1cyclictest703-21snmpd00:22:030
324829996,3cyclictest703-21snmpd23:33:490
324829996,3cyclictest703-21snmpd21:29:080
324829996,2cyclictest703-21snmpd20:43:420
324829995,3cyclictest0-21swapper/022:35:010
324829988,0cyclictest703-21snmpd22:15:250
324829988,0cyclictest703-21snmpd21:20:250
324829988,0cyclictest703-21snmpd20:22:460
324829988,0cyclictest703-21snmpd19:48:420
324829988,0cyclictest703-21snmpd00:16:020
324829988,0cyclictest701-21lldpd19:16:230
324829988,0cyclictest294-21hwrng23:40:130
324829988,0cyclictest294-21hwrng21:33:140
324829988,0cyclictest294-21hwrng00:37:330
324829987,1cyclictest703-21snmpd23:14:420
324829987,1cyclictest23353-21ntp_kernel_pll_22:55:180
324829987,1cyclictest20802-21ntp_kernel_pll_23:25:180
324829986,2cyclictest703-21snmpd23:50:250
324829986,2cyclictest703-21snmpd22:51:440
324829986,2cyclictest703-21snmpd22:46:070
324829986,2cyclictest703-21snmpd20:55:290
324829986,2cyclictest703-21snmpd19:31:590
324829986,2cyclictest703-21snmpd19:28:340
324829986,2cyclictest10817-21ntp_kernel_pll_23:15:180
324829986,2cyclictest0-21swapper/022:25:160
324829977,0cyclictest703-21snmpd22:14:190
324829977,0cyclictest703-21snmpd21:07:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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