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2025-11-02 - 16:02

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 Sun Nov 02, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14967991919,0cyclictest55650irq/125-lan10:04:350
14967991918,1cyclictest55650irq/125-lan12:36:270
14967991918,1cyclictest55650irq/125-lan12:24:590
14967991918,1cyclictest55650irq/125-lan12:12:290
14967991918,1cyclictest55650irq/125-lan11:50:190
14967991918,1cyclictest55650irq/125-lan11:49:160
14967991918,1cyclictest55650irq/125-lan11:25:210
14967991918,1cyclictest55650irq/125-lan11:15:060
14967991918,1cyclictest55650irq/125-lan11:13:400
14967991918,1cyclictest55650irq/125-lan10:56:440
14967991918,1cyclictest55650irq/125-lan10:41:190
14967991918,1cyclictest55650irq/125-lan10:39:400
14967991918,1cyclictest55650irq/125-lan10:32:470
14967991918,1cyclictest55650irq/125-lan09:26:040
14967991918,1cyclictest55650irq/125-lan09:15:480
14967991918,1cyclictest55650irq/125-lan09:11:070
14967991818,0cyclictest55650irq/125-lan12:31:260
14967991818,0cyclictest55650irq/125-lan12:26:240
14967991818,0cyclictest55650irq/125-lan10:51:020
14967991818,0cyclictest55650irq/125-lan09:37:460
14967991818,0cyclictest55650irq/125-lan07:59:360
14967991817,1cyclictest55650irq/125-lan12:15:290
14967991817,1cyclictest55650irq/125-lan12:08:090
14967991817,1cyclictest55650irq/125-lan11:40:140
14967991817,1cyclictest55650irq/125-lan11:30:170
14967991817,1cyclictest55650irq/125-lan11:05:140
14967991817,1cyclictest55650irq/125-lan11:02:350
14967991817,1cyclictest55650irq/125-lan10:25:270
14967991817,1cyclictest55650irq/125-lan10:22:280
14967991817,1cyclictest55650irq/125-lan10:15:560
14967991817,1cyclictest55650irq/125-lan09:58:580
14967991817,1cyclictest55650irq/125-lan09:50:210
14967991817,1cyclictest55650irq/125-lan09:47:400
14967991817,1cyclictest55650irq/125-lan09:44:150
14967991817,1cyclictest55650irq/125-lan09:33:560
14967991817,1cyclictest55650irq/125-lan09:20:070
14967991817,1cyclictest55650irq/125-lan08:25:190
14967991817,1cyclictest55650irq/125-lan08:02:470
14967991817,1cyclictest55650irq/125-lan07:20:150
14967991817,1cyclictest55650irq/125-lan07:16:230
14967991816,1cyclictest55650irq/125-lan10:47:510
14967991717,0cyclictest55650irq/125-lan12:04:360
14967991717,0cyclictest55650irq/125-lan10:11:250
14967991717,0cyclictest55650irq/125-lan07:51:350
14967991716,1cyclictest55650irq/125-lan11:55:060
14967991716,1cyclictest55650irq/125-lan11:35:340
14967991716,1cyclictest55650irq/125-lan11:20:380
14967991716,1cyclictest55650irq/125-lan10:05:130
14967991716,1cyclictest55650irq/125-lan10:05:130
14967991716,1cyclictest55650irq/125-lan08:37:470
14967991716,1cyclictest55650irq/125-lan08:22:000
14967991716,1cyclictest55650irq/125-lan08:15:380
14967991716,1cyclictest55650irq/125-lan07:37:270
14967991716,1cyclictest55650irq/125-lan07:25:490
14967991616,0cyclictest55650irq/125-lan08:31:170
14967991615,1cyclictest55650irq/125-lan09:00:080
14967991615,1cyclictest55650irq/125-lan08:48:210
14967991615,1cyclictest55650irq/125-lan08:14:080
14967991615,1cyclictest55650irq/125-lan08:07:480
14967991615,1cyclictest55650irq/125-lan07:46:240
14967991615,1cyclictest55650irq/125-lan07:40:230
14967991615,1cyclictest55650irq/125-lan07:30:460
14967991615,1cyclictest55650irq/125-lan07:13:150
14967991515,0cyclictest55650irq/125-lan08:42:010
14967991514,1cyclictest55650irq/125-lan08:57:140
14972991414,0cyclictest294-21hwrng11:07:471
14972991414,0cyclictest294-21hwrng10:30:551
14972991414,0cyclictest294-21hwrng10:10:251
14972991414,0cyclictest294-21hwrng08:14:441
14972991313,0cyclictest294-21hwrng10:15:321
14967991312,1cyclictest55650irq/125-lan09:09:370
14967991312,1cyclictest55650irq/125-lan08:52:020
14972991212,0cyclictest294-21hwrng09:49:561
14972991212,0cyclictest294-21hwrng09:15:091
14972991111,0cyclictest294-21hwrng10:57:311
14972991111,0cyclictest294-21hwrng10:08:231
14972991111,0cyclictest294-21hwrng10:08:231
14972991010,0cyclictest294-21hwrng12:11:151
14972991010,0cyclictest294-21hwrng11:43:371
149729999,0cyclictest294-21hwrng10:25:481
149729999,0cyclictest294-21hwrng09:35:361
149729998,1cyclictest9401-21ntp_offset10:40:201
149729998,1cyclictest703-21snmpd11:27:481
149729998,1cyclictest17629-21ntp_kernel_pll_07:15:191
149729996,2cyclictest703-21snmpd12:34:231
149729996,2cyclictest703-21snmpd12:18:151
149729996,2cyclictest703-21snmpd11:45:421
149729996,2cyclictest703-21snmpd09:32:421
149729996,2cyclictest703-21snmpd08:38:041
149729988,0cyclictest703-21snmpd12:22:321
149729988,0cyclictest703-21snmpd12:01:131
149729988,0cyclictest703-21snmpd11:22:571
149729988,0cyclictest701-21lldpd12:05:531
149729988,0cyclictest294-21hwrng11:33:221
149729988,0cyclictest294-21hwrng09:40:441
149729988,0cyclictest294-21hwrng09:28:271
149729988,0cyclictest294-21hwrng07:51:101
149729988,0cyclictest294-21hwrng07:48:051
149729987,1cyclictest703-21snmpd11:36:321
149729987,1cyclictest703-21snmpd07:10:341
149729987,1cyclictest19091-21processes08:45:261
149729987,1cyclictest17806-21tr10:50:161
149729986,2cyclictest703-21snmpd12:37:351
149729986,2cyclictest703-21snmpd09:13:551
149729986,2cyclictest22263-21cat08:55:141
149729985,2cyclictest703-21snmpd10:48:531
149729985,2cyclictest703-21snmpd10:35:561
149729985,2cyclictest703-21snmpd08:40:161
149729985,2cyclictest703-21snmpd07:31:501
149729977,0cyclictest703-21snmpd08:22:121
149729977,0cyclictest294-21hwrng11:50:471
149729977,0cyclictest294-21hwrng11:13:551
149729977,0cyclictest294-21hwrng10:22:421
149729977,0cyclictest294-21hwrng09:53:021
149729977,0cyclictest294-21hwrng08:32:071
149729977,0cyclictest294-21hwrng07:55:151
149729977,0cyclictest294-21hwrng07:35:491
149729977,0cyclictest27217-21diskmemload09:10:001
149729976,1cyclictest703-21snmpd10:00:341
149729976,1cyclictest703-21snmpd09:02:251
149729976,1cyclictest4697-21if_lan09:20:161
149729975,2cyclictest8141-21cat12:25:161
149729975,2cyclictest703-21snmpd08:26:181
149729975,2cyclictest3441-21cat08:05:151
149729966,0cyclictest294-21hwrng11:18:011
149729966,0cyclictest294-21hwrng07:21:291
149729965,1cyclictest703-21snmpd07:42:201
149729965,1cyclictest21346-21ntp_offset07:25:181
149729965,1cyclictest0-21swapper/109:55:161
149729964,2cyclictest7420-21grep08:15:191
149729964,2cyclictest703-21snmpd11:55:581
149729964,2cyclictest703-21snmpd08:52:111
149729954,1cyclictest12326-21kworker/u4:0+nfsiod11:00:301
149729953,2cyclictest703-21snmpd08:01:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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