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2025-09-18 - 15:19

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 376 highest latencies:
System rack8slot7s.osadl.org (updated Thu Sep 18, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13949992019,1cyclictest55650irq/125-lan11:19:181
13949992019,1cyclictest55650irq/125-lan09:40:521
13949991918,1cyclictest55650irq/125-lan12:38:501
13949991918,1cyclictest55650irq/125-lan12:26:071
13949991918,1cyclictest55650irq/125-lan11:59:421
13949991918,1cyclictest55650irq/125-lan11:32:361
13949991918,1cyclictest55650irq/125-lan11:22:111
13949991918,1cyclictest55650irq/125-lan10:48:571
13949991918,1cyclictest55650irq/125-lan10:35:461
13949991918,1cyclictest55650irq/125-lan10:34:231
13949991918,1cyclictest55650irq/125-lan10:25:021
13949991918,1cyclictest55650irq/125-lan10:20:161
13949991918,1cyclictest55650irq/125-lan10:17:101
13949991918,1cyclictest55650irq/125-lan09:55:131
13949991918,1cyclictest55650irq/125-lan09:36:251
13949991918,1cyclictest55650irq/125-lan09:22:271
13949991918,1cyclictest55650irq/125-lan08:16:261
13949991918,1cyclictest55650irq/125-lan07:11:361
13949991917,1cyclictest55650irq/125-lan11:00:241
13949991818,0cyclictest55650irq/125-lan12:11:261
13949991818,0cyclictest55650irq/125-lan12:01:001
13949991818,0cyclictest55650irq/125-lan11:29:421
13949991818,0cyclictest55650irq/125-lan11:11:151
13949991818,0cyclictest55650irq/125-lan11:05:111
13949991818,0cyclictest55650irq/125-lan10:11:531
13949991818,0cyclictest55650irq/125-lan09:51:261
13949991817,1cyclictest55650irq/125-lan12:22:501
13949991817,1cyclictest55650irq/125-lan12:15:571
13949991817,1cyclictest55650irq/125-lan12:05:151
13949991817,1cyclictest55650irq/125-lan11:45:261
13949991817,1cyclictest55650irq/125-lan11:40:221
13949991817,1cyclictest55650irq/125-lan11:38:171
13949991817,1cyclictest55650irq/125-lan10:56:401
13949991817,1cyclictest55650irq/125-lan10:50:111
13949991817,1cyclictest55650irq/125-lan10:41:181
13949991817,1cyclictest55650irq/125-lan10:07:381
13949991817,1cyclictest55650irq/125-lan10:02:051
13949991817,1cyclictest55650irq/125-lan09:46:141
13949991817,1cyclictest55650irq/125-lan09:30:491
13949991817,1cyclictest55650irq/125-lan09:19:031
13949991817,1cyclictest55650irq/125-lan08:13:511
13949991817,1cyclictest55650irq/125-lan07:56:131
13949991817,1cyclictest55650irq/125-lan07:38:531
13949991817,1cyclictest55650irq/125-lan07:26:401
13949991717,0cyclictest55650irq/125-lan12:30:511
13949991717,0cyclictest55650irq/125-lan09:09:351
13949991717,0cyclictest55650irq/125-lan07:42:371
13949991717,0cyclictest55650irq/125-lan07:18:191
13949991717,0cyclictest55650irq/125-lan07:18:191
13949991716,1cyclictest55650irq/125-lan11:50:141
13949991716,1cyclictest55650irq/125-lan09:27:181
13949991716,1cyclictest55650irq/125-lan09:10:021
13949991716,1cyclictest55650irq/125-lan09:04:231
13949991716,1cyclictest55650irq/125-lan08:44:321
13949991716,1cyclictest55650irq/125-lan08:25:181
13949991716,1cyclictest55650irq/125-lan07:20:161
13949991715,1cyclictest55650irq/125-lan07:45:271
13949991616,0cyclictest55650irq/125-lan08:32:591
13949991615,1cyclictest55650irq/125-lan08:55:041
13949991615,1cyclictest55650irq/125-lan08:50:521
13949991615,1cyclictest55650irq/125-lan08:20:481
13949991615,1cyclictest55650irq/125-lan08:05:251
13949991615,1cyclictest55650irq/125-lan08:01:491
13949991514,1cyclictest55650irq/125-lan08:49:001
13949991514,1cyclictest55650irq/125-lan08:35:271
13949991514,1cyclictest55650irq/125-lan07:34:431
13949991413,1cyclictest55650irq/125-lan07:50:201
13945991313,0cyclictest294-21hwrng10:49:230
13945991313,0cyclictest294-21hwrng10:29:560
13945991313,0cyclictest294-21hwrng09:42:500
13945991212,0cyclictest294-21hwrng10:51:260
13945991212,0cyclictest294-21hwrng10:16:370
13945991111,0cyclictest294-21hwrng12:11:190
13945991111,0cyclictest294-21hwrng09:39:460
1394599106,3cyclictest27200-21ntpq09:10:170
139459999,0cyclictest294-21hwrng12:29:440
139459998,1cyclictest294-21hwrng12:20:320
139459998,1cyclictest27681-21ntp_kernel_err07:45:170
139459998,1cyclictest16573-21ntp_kernel_pll_07:15:160
139459998,1cyclictest16573-21ntp_kernel_pll_07:15:160
139459997,1cyclictest703-21snmpd08:55:040
139459996,3cyclictest703-21snmpd11:00:230
139459996,3cyclictest703-21snmpd08:18:530
139459996,2cyclictest703-21snmpd10:41:060
139459996,2cyclictest703-21snmpd10:39:180
139459996,2cyclictest703-21snmpd09:50:200
139459996,2cyclictest703-21snmpd09:25:130
139459996,2cyclictest703-21snmpd07:40:550
139459996,2cyclictest18051-21grep07:20:140
139459995,3cyclictest703-21snmpd11:40:210
139459995,3cyclictest703-21snmpd08:05:520
139459988,0cyclictest294-21hwrng12:15:240
139459988,0cyclictest294-21hwrng11:56:580
139459988,0cyclictest294-21hwrng11:35:280
139459988,0cyclictest294-21hwrng11:17:010
139459988,0cyclictest294-21hwrng10:06:230
139459988,0cyclictest294-21hwrng09:22:200
139459988,0cyclictest294-21hwrng09:15:100
139459988,0cyclictest294-21hwrng08:44:270
139459988,0cyclictest294-21hwrng08:29:060
139459988,0cyclictest294-21hwrng08:01:270
139459988,0cyclictest294-21hwrng07:59:250
139459988,0cyclictest294-21hwrng07:36:520
139459988,0cyclictest294-21hwrng07:27:390
139459987,1cyclictest703-21snmpd11:45:270
139459987,1cyclictest703-21snmpd11:22:150
139459987,1cyclictest703-21snmpd11:14:350
139459987,1cyclictest703-21snmpd10:32:160
139459987,1cyclictest703-21snmpd09:00:580
139459987,1cyclictest703-21snmpd08:30:360
139459987,1cyclictest703-21snmpd08:22:480
139459987,1cyclictest4956-21grep12:30:150
139459987,1cyclictest294-21hwrng11:30:210
139459987,1cyclictest14388-21gltestperf07:10:140
139459986,1cyclictest26471-21cpuspeed_turbos11:50:120
139459985,2cyclictest703-21snmpd12:36:440
139459985,2cyclictest703-21snmpd08:35:510
139459985,2cyclictest703-21snmpd07:51:110
139459977,0cyclictest703-21snmpd11:05:440
139459977,0cyclictest294-21hwrng11:26:150
139459977,0cyclictest294-21hwrng10:21:450
139459977,0cyclictest294-21hwrng09:59:120
139459977,0cyclictest294-21hwrng09:30:330
139459977,0cyclictest294-21hwrng09:07:000
139459977,0cyclictest294-21hwrng08:50:370
139459977,0cyclictest294-21hwrng08:47:310
139459977,0cyclictest294-21hwrng08:10:390
139459977,0cyclictest294-21hwrng07:30:430
139459977,0cyclictest10716-21wc12:05:220
139459976,1cyclictest703-21snmpd10:56:110
139459975,2cyclictest703-21snmpd10:11:120
139459966,0cyclictest294-21hwrng09:50:000
139459965,1cyclictest681-21ntpd12:00:180
139459965,0cyclictest703-21snmpd10:00:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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