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2025-07-03 - 05:53

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 Jul 03, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5966992019,1cyclictest55650irq/125-lan21:55:470
5966991918,1cyclictest55650irq/125-lan23:55:550
5966991918,1cyclictest55650irq/125-lan23:11:410
5966991918,1cyclictest55650irq/125-lan22:52:390
5966991918,1cyclictest55650irq/125-lan22:45:010
5966991918,1cyclictest55650irq/125-lan22:43:070
5966991918,1cyclictest55650irq/125-lan22:35:180
5966991918,1cyclictest55650irq/125-lan22:26:320
5966991918,1cyclictest55650irq/125-lan22:10:040
5966991918,1cyclictest55650irq/125-lan22:05:160
5966991918,1cyclictest55650irq/125-lan21:40:430
5966991918,1cyclictest55650irq/125-lan21:37:370
5966991918,1cyclictest55650irq/125-lan21:31:260
5966991918,1cyclictest55650irq/125-lan21:25:000
5966991918,1cyclictest55650irq/125-lan21:13:350
5966991918,1cyclictest55650irq/125-lan20:44:400
5966991918,1cyclictest55650irq/125-lan19:11:590
5966991918,1cyclictest55650irq/125-lan00:03:030
5966991917,1cyclictest55650irq/125-lan22:15:240
5966991917,1cyclictest55650irq/125-lan00:37:140
5966991917,1cyclictest55650irq/125-lan00:20:150
5966991818,0cyclictest55650irq/125-lan23:40:030
5966991818,0cyclictest55650irq/125-lan22:58:050
5966991818,0cyclictest55650irq/125-lan21:46:220
5966991817,1cyclictest55650irq/125-lan23:45:070
5966991817,1cyclictest55650irq/125-lan23:36:220
5966991817,1cyclictest55650irq/125-lan23:33:320
5966991817,1cyclictest55650irq/125-lan23:20:490
5966991817,1cyclictest55650irq/125-lan23:16:590
5966991817,1cyclictest55650irq/125-lan23:07:580
5966991817,1cyclictest55650irq/125-lan23:01:270
5966991817,1cyclictest55650irq/125-lan22:20:190
5966991817,1cyclictest55650irq/125-lan22:00:110
5966991817,1cyclictest55650irq/125-lan21:52:210
5966991817,1cyclictest55650irq/125-lan21:15:580
5966991817,1cyclictest55650irq/125-lan20:20:150
5966991817,1cyclictest55650irq/125-lan19:51:470
5966991817,1cyclictest55650irq/125-lan19:15:130
5966991817,1cyclictest55650irq/125-lan00:26:070
5966991817,1cyclictest55650irq/125-lan00:16:210
5966991817,1cyclictest55650irq/125-lan00:10:260
5966991817,1cyclictest55650irq/125-lan00:05:120
5966991816,1cyclictest55650irq/125-lan23:29:240
5966991717,0cyclictest55650irq/125-lan21:20:390
5966991717,0cyclictest55650irq/125-lan00:32:170
5966991716,1cyclictest55650irq/125-lan23:52:420
5966991716,1cyclictest55650irq/125-lan22:30:230
5966991716,1cyclictest55650irq/125-lan20:59:080
5966991716,1cyclictest55650irq/125-lan20:51:470
5966991716,1cyclictest55650irq/125-lan20:10:430
5966991716,1cyclictest55650irq/125-lan19:41:580
5966991716,1cyclictest55650irq/125-lan19:36:100
5966991615,1cyclictest55650irq/125-lan20:35:210
5966991615,1cyclictest55650irq/125-lan19:30:380
5966991514,1cyclictest55650irq/125-lan20:45:150
5966991514,1cyclictest55650irq/125-lan20:31:170
5966991514,1cyclictest55650irq/125-lan20:29:160
5966991514,1cyclictest55650irq/125-lan20:15:240
5966991514,1cyclictest55650irq/125-lan20:05:220
5966991514,1cyclictest55650irq/125-lan20:02:420
5966991514,1cyclictest55650irq/125-lan19:56:260
5966991514,1cyclictest55650irq/125-lan19:45:380
5966991514,1cyclictest55650irq/125-lan19:20:160
5966991413,1cyclictest55650irq/125-lan21:05:150
5966991413,1cyclictest55650irq/125-lan19:28:080
5966991312,1cyclictest55650irq/125-lan21:00:180
5968991111,0cyclictest294-21hwrng23:53:151
5968991110,1cyclictest15168-21ntp_offset23:45:211
596899109,1cyclictest28798-21threads21:20:211
59689998,1cyclictest703-21snmpd23:57:251
59689998,1cyclictest703-21snmpd22:01:371
59689998,1cyclictest703-21snmpd21:31:371
59689998,1cyclictest703-21snmpd19:24:151
59689998,1cyclictest22944-21ntp_kernel_pll_19:55:121
59689996,2cyclictest703-21snmpd21:41:551
59689996,2cyclictest703-21snmpd20:44:021
59689988,0cyclictest703-21snmpd22:59:581
59689988,0cyclictest703-21snmpd22:32:201
59689988,0cyclictest703-21snmpd22:15:141
59689988,0cyclictest703-21snmpd22:07:561
59689988,0cyclictest703-21snmpd21:06:001
59689988,0cyclictest703-21snmpd20:37:501
59689988,0cyclictest703-21snmpd20:01:581
59689988,0cyclictest294-21hwrng23:33:491
59689988,0cyclictest294-21hwrng23:06:091
59689988,0cyclictest294-21hwrng21:00:121
59689988,0cyclictest294-21hwrng20:10:021
59689988,0cyclictest294-21hwrng00:07:361
59689987,1cyclictest7896-21latency_hist19:15:001
59689987,1cyclictest703-21snmpd23:28:431
59689987,1cyclictest703-21snmpd22:13:171
59689987,1cyclictest703-21snmpd21:50:281
59689987,1cyclictest703-21snmpd21:47:011
59689987,1cyclictest703-21snmpd21:29:221
59689987,1cyclictest703-21snmpd20:59:301
59689987,1cyclictest703-21snmpd19:26:311
59689987,1cyclictest703-21snmpd19:15:241
59689987,1cyclictest30066-21kworker/1:1+events00:27:031
59689987,1cyclictest29960-21kworker/1:0+events22:44:391
59689987,1cyclictest227-20systemd-journal23:41:221
59689987,1cyclictest1576-21ntp_kernel_pll_20:25:161
59689987,1cyclictest1-21systemd20:17:211
59689986,2cyclictest4214-21cat23:35:171
59689985,3cyclictest18623-21ntpq19:40:181
59689985,2cyclictest703-21snmpd23:21:091
59689985,2cyclictest703-21snmpd20:09:201
59689985,2cyclictest703-21snmpd19:48:181
59689985,2cyclictest703-21snmpd00:34:181
59689984,4cyclictest16766-21sed19:35:171
59689984,4cyclictest16272-21sed00:20:171
59689977,0cyclictest703-21snmpd23:11:001
59689977,0cyclictest703-21snmpd22:27:261
59689977,0cyclictest294-21hwrng22:35:261
59689977,0cyclictest294-21hwrng21:13:311
59689977,0cyclictest294-21hwrng20:45:531
59689977,0cyclictest294-21hwrng19:50:341
59689977,0cyclictest294-21hwrng00:00:251
59689976,1cyclictest31889-21cat20:20:141
59689976,1cyclictest31615-21apt-get21:55:111
59689976,1cyclictest294-21hwrng00:11:421
59689976,1cyclictest27470-21latency_hist22:55:001
59689976,1cyclictest18534-21gcc22:45:211
59689976,1cyclictest11666-21ntp_kernel_pll_00:15:181
59689974,3cyclictest703-21snmpd00:39:001
59689974,2cyclictest703-21snmpd21:37:011
59689966,0cyclictest294-21hwrng23:00:011
59689966,0cyclictest294-21hwrng22:20:051
59689966,0cyclictest294-21hwrng19:33:111
59689965,1cyclictest0-21swapper/120:50:221
59689964,2cyclictest703-21snmpd21:16:361
59689964,2cyclictest703-21snmpd20:32:291
59689963,2cyclictest703-21snmpd23:18:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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