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2025-12-02 - 14:37

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 Tue Dec 02, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29399991918,1cyclictest55650irq/125-lan23:56:510
29399991918,1cyclictest55650irq/125-lan23:40:190
29399991918,1cyclictest55650irq/125-lan23:34:440
29399991918,1cyclictest55650irq/125-lan23:04:480
29399991918,1cyclictest55650irq/125-lan22:50:530
29399991918,1cyclictest55650irq/125-lan22:43:090
29399991918,1cyclictest55650irq/125-lan22:32:030
29399991918,1cyclictest55650irq/125-lan22:23:410
29399991918,1cyclictest55650irq/125-lan22:15:150
29399991918,1cyclictest55650irq/125-lan22:11:330
29399991918,1cyclictest55650irq/125-lan22:05:090
29399991918,1cyclictest55650irq/125-lan21:55:450
29399991918,1cyclictest55650irq/125-lan21:24:060
29399991918,1cyclictest55650irq/125-lan21:05:430
29399991918,1cyclictest55650irq/125-lan20:56:520
29399991918,1cyclictest55650irq/125-lan20:43:440
29399991918,1cyclictest55650irq/125-lan20:24:350
29399991918,1cyclictest55650irq/125-lan00:38:290
29399991918,1cyclictest55650irq/125-lan00:25:150
29399991918,1cyclictest55650irq/125-lan00:22:290
29399991818,0cyclictest55650irq/125-lan23:17:390
29399991818,0cyclictest55650irq/125-lan00:30:230
29399991817,1cyclictest55650irq/125-lan23:53:530
29399991817,1cyclictest55650irq/125-lan23:45:150
29399991817,1cyclictest55650irq/125-lan23:37:500
29399991817,1cyclictest55650irq/125-lan23:10:090
29399991817,1cyclictest55650irq/125-lan23:06:140
29399991817,1cyclictest55650irq/125-lan22:55:570
29399991817,1cyclictest55650irq/125-lan22:47:530
29399991817,1cyclictest55650irq/125-lan22:25:340
29399991817,1cyclictest55650irq/125-lan22:00:140
29399991817,1cyclictest55650irq/125-lan21:52:140
29399991817,1cyclictest55650irq/125-lan21:45:180
29399991817,1cyclictest55650irq/125-lan21:40:200
29399991817,1cyclictest55650irq/125-lan21:35:410
29399991817,1cyclictest55650irq/125-lan21:30:130
29399991817,1cyclictest55650irq/125-lan21:25:210
29399991817,1cyclictest55650irq/125-lan21:15:010
29399991817,1cyclictest55650irq/125-lan21:11:350
29399991817,1cyclictest55650irq/125-lan20:27:330
29399991817,1cyclictest55650irq/125-lan20:00:240
29399991817,1cyclictest55650irq/125-lan19:55:220
29399991817,1cyclictest55650irq/125-lan19:50:210
29399991817,1cyclictest55650irq/125-lan19:45:170
29399991817,1cyclictest55650irq/125-lan00:18:210
29399991817,1cyclictest55650irq/125-lan00:05:180
29399991817,1cyclictest55650irq/125-lan00:03:400
29399991717,0cyclictest55650irq/125-lan23:26:350
29399991717,0cyclictest55650irq/125-lan20:38:580
29399991717,0cyclictest55650irq/125-lan20:31:130
29399991717,0cyclictest55650irq/125-lan00:11:000
29399991716,1cyclictest55650irq/125-lan23:20:140
29399991716,1cyclictest55650irq/125-lan20:50:230
29399991716,1cyclictest55650irq/125-lan20:19:380
29399991716,1cyclictest55650irq/125-lan19:20:150
29399991616,0cyclictest55650irq/125-lan19:32:250
29399991615,1cyclictest55650irq/125-lan22:35:240
29399991615,1cyclictest55650irq/125-lan21:00:160
29399991615,1cyclictest55650irq/125-lan20:09:500
29399991615,1cyclictest55650irq/125-lan19:35:190
29399991615,1cyclictest55650irq/125-lan19:25:230
29399991615,1cyclictest55650irq/125-lan19:16:390
29399991615,1cyclictest55650irq/125-lan19:12:410
29399991515,0cyclictest55650irq/125-lan19:43:000
29404991414,0cyclictest294-21hwrng22:38:061
29399991413,1cyclictest55650irq/125-lan20:45:130
2940499138,5cyclictest16433-21ntp_kernel_err21:15:171
2940499138,5cyclictest1281-21ntp_kernel_pll_20:45:181
2940499137,1cyclictest29211-21latency_hist20:35:001
29404991312,1cyclictest294-21hwrng23:12:561
2940499126,1cyclictest10310-21fschecks_count23:50:131
29399991211,1cyclictest55650irq/125-lan20:10:150
2940499117,1cyclictest703-21snmpd19:22:021
2940499116,2cyclictest703-21snmpd22:17:531
2940499116,2cyclictest703-21snmpd21:36:191
2940499116,2cyclictest703-21snmpd20:24:161
2940499116,2cyclictest703-21snmpd19:31:031
2940499116,1cyclictest26264-21gltestperf21:25:171
2940499108,0cyclictest703-21snmpd22:05:081
2940499107,1cyclictest703-21snmpd20:50:351
2940499107,0cyclictest703-21snmpd22:27:421
2940499106,3cyclictest703-21snmpd23:07:521
2940499106,2cyclictest703-21snmpd19:48:151
2940499106,1cyclictest29925-21cat19:10:141
2940499105,2cyclictest703-21snmpd23:28:011
2940499105,2cyclictest703-21snmpd21:03:241
2940499103,3cyclictest7047-21ntpq19:35:181
294049998,1cyclictest703-21snmpd22:57:161
294049998,1cyclictest30013-21ntp_kernel_err00:10:181
294049997,0cyclictest703-21snmpd23:17:581
294049996,2cyclictest703-21snmpd23:37:531
294049996,2cyclictest703-21snmpd21:06:001
294049996,2cyclictest703-21snmpd20:58:471
294049996,2cyclictest703-21snmpd19:52:541
294049996,2cyclictest703-21snmpd00:26:341
294049995,3cyclictest703-21snmpd20:27:161
294049995,2cyclictest703-21snmpd22:14:591
294049995,2cyclictest703-21snmpd21:54:051
294049988,0cyclictest703-21snmpd22:03:051
294049988,0cyclictest703-21snmpd20:41:561
294049988,0cyclictest294-21hwrng23:56:571
294049988,0cyclictest294-21hwrng23:22:081
294049988,0cyclictest294-21hwrng23:00:381
294049988,0cyclictest294-21hwrng22:43:131
294049988,0cyclictest294-21hwrng19:57:201
294049988,0cyclictest294-21hwrng00:08:131
294049988,0cyclictest294-21hwrng00:01:031
294049987,1cyclictest703-21snmpd22:53:011
294049987,1cyclictest703-21snmpd22:32:331
294049987,1cyclictest703-21snmpd19:16:021
294049987,1cyclictest487-21gmain22:46:501
294049987,1cyclictest19936-21cpuspeed_turbos00:35:131
294049986,2cyclictest703-21snmpd20:18:311
294049985,2cyclictest703-21snmpd23:34:051
294049985,2cyclictest703-21snmpd20:06:281
294049977,0cyclictest703-21snmpd00:32:221
294049977,0cyclictest294-21hwrng23:48:451
294049977,0cyclictest294-21hwrng21:47:561
294049977,0cyclictest294-21hwrng21:23:211
294049977,0cyclictest294-21hwrng21:11:041
294049977,0cyclictest294-21hwrng00:16:241
294049976,1cyclictest703-21snmpd00:21:151
294049976,1cyclictest478-21gmain23:40:381
294049976,1cyclictest0-21swapper/121:30:161
294049974,3cyclictest703-21snmpd20:10:161
294049973,3cyclictest703-21snmpd21:42:551
294049965,1cyclictest703-21snmpd22:20:021
294049965,1cyclictest703-21snmpd20:03:041
294049965,1cyclictest30004-21ntp_kernel_pll_20:35:171
294049965,1cyclictest2756-21cpuspeed_turbos19:25:141
294049965,1cyclictest0-21swapper/121:55:211
294049964,2cyclictest8856-21grep19:40:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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