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2025-11-24 - 09:55

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 792 highest latencies:
System rack8slot7s.osadl.org (updated Mon Nov 24, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21085994545,0cyclictest19852-21fwupd20:33:591
21081991919,0cyclictest55650irq/125-lan22:30:050
21081991919,0cyclictest55650irq/125-lan00:39:270
21081991918,1cyclictest55650irq/125-lan23:36:140
21081991918,1cyclictest55650irq/125-lan23:30:460
21081991918,1cyclictest55650irq/125-lan23:26:140
21081991918,1cyclictest55650irq/125-lan23:10:210
21081991918,1cyclictest55650irq/125-lan23:04:030
21081991918,1cyclictest55650irq/125-lan22:56:440
21081991918,1cyclictest55650irq/125-lan22:54:230
21081991918,1cyclictest55650irq/125-lan22:06:410
21081991918,1cyclictest55650irq/125-lan21:56:550
21081991918,1cyclictest55650irq/125-lan21:50:530
21081991918,1cyclictest55650irq/125-lan21:40:330
21081991918,1cyclictest55650irq/125-lan21:37:350
21081991918,1cyclictest55650irq/125-lan21:28:190
21081991918,1cyclictest55650irq/125-lan21:15:210
21081991918,1cyclictest55650irq/125-lan21:14:300
21081991918,1cyclictest55650irq/125-lan00:00:430
21081991818,0cyclictest55650irq/125-lan22:15:030
21081991818,0cyclictest55650irq/125-lan21:01:020
21081991818,0cyclictest55650irq/125-lan20:47:320
21081991817,1cyclictest55650irq/125-lan23:59:180
21081991817,1cyclictest55650irq/125-lan23:50:180
21081991817,1cyclictest55650irq/125-lan23:49:420
21081991817,1cyclictest55650irq/125-lan23:41:060
21081991817,1cyclictest55650irq/125-lan23:20:190
21081991817,1cyclictest55650irq/125-lan23:17:530
21081991817,1cyclictest55650irq/125-lan23:08:540
21081991817,1cyclictest55650irq/125-lan22:46:440
21081991817,1cyclictest55650irq/125-lan22:20:140
21081991817,1cyclictest55650irq/125-lan22:10:170
21081991817,1cyclictest55650irq/125-lan22:01:460
21081991817,1cyclictest55650irq/125-lan21:48:450
21081991817,1cyclictest55650irq/125-lan21:32:460
21081991817,1cyclictest55650irq/125-lan21:24:570
21081991817,1cyclictest55650irq/125-lan21:05:160
21081991817,1cyclictest55650irq/125-lan20:59:500
21081991817,1cyclictest55650irq/125-lan20:30:580
21081991817,1cyclictest55650irq/125-lan20:25:430
21081991817,1cyclictest55650irq/125-lan20:10:400
21081991817,1cyclictest55650irq/125-lan19:42:120
21081991817,1cyclictest55650irq/125-lan19:23:050
21081991817,1cyclictest55650irq/125-lan00:30:180
21081991817,1cyclictest55650irq/125-lan00:25:080
21081991817,1cyclictest55650irq/125-lan00:17:260
21081991817,1cyclictest55650irq/125-lan00:10:060
21081991816,1cyclictest55650irq/125-lan00:06:380
21081991717,0cyclictest55650irq/125-lan22:26:100
21081991716,1cyclictest55650irq/125-lan22:40:170
21081991716,1cyclictest55650irq/125-lan22:35:140
21081991716,1cyclictest55650irq/125-lan20:40:130
21081991716,1cyclictest55650irq/125-lan19:54:570
21081991716,1cyclictest55650irq/125-lan19:45:050
21081991716,1cyclictest55650irq/125-lan19:25:200
21081991716,1cyclictest55650irq/125-lan00:20:170
21081991616,0cyclictest55650irq/125-lan20:17:160
21081991616,0cyclictest55650irq/125-lan20:03:180
21081991616,0cyclictest55650irq/125-lan19:32:510
21081991615,1cyclictest55650irq/125-lan20:50:190
21081991615,1cyclictest55650irq/125-lan20:38:380
21081991615,1cyclictest55650irq/125-lan20:22:010
21081991615,1cyclictest55650irq/125-lan19:58:340
21081991615,1cyclictest55650irq/125-lan19:37:560
21081991514,1cyclictest55650irq/125-lan19:16:510
21081991413,1cyclictest55650irq/125-lan20:08:160
21085991212,0cyclictest294-21hwrng22:33:241
21081991211,1cyclictest55650irq/125-lan19:10:200
2108599109,1cyclictest26544-21latency_hist23:45:001
2108599106,3cyclictest703-21snmpd21:20:541
210859998,1cyclictest703-21snmpd22:51:481
210859998,1cyclictest703-21snmpd00:05:121
210859998,1cyclictest29472-21processes19:30:191
210859997,2cyclictest703-21snmpd21:39:131
210859996,2cyclictest703-21snmpd22:46:051
210859996,2cyclictest703-21snmpd22:24:561
210859996,2cyclictest703-21snmpd21:45:161
210859996,2cyclictest703-21snmpd20:55:111
210859996,2cyclictest703-21snmpd00:30:051
210859995,3cyclictest703-21snmpd21:19:121
210859995,3cyclictest703-21snmpd19:42:031
210859988,0cyclictest703-21snmpd23:17:181
210859988,0cyclictest703-21snmpd22:18:561
210859988,0cyclictest294-21hwrng21:33:001
210859988,0cyclictest294-21hwrng20:37:411
210859988,0cyclictest294-21hwrng20:16:111
210859988,0cyclictest294-21hwrng19:54:401
210859988,0cyclictest294-21hwrng19:15:461
210859987,1cyclictest703-21snmpd22:09:131
210859987,1cyclictest703-21snmpd20:43:171
210859987,1cyclictest703-21snmpd20:07:521
210859987,1cyclictest703-21snmpd00:01:491
210859987,1cyclictest2385-21ntp_kernel_pll_19:45:181
210859987,1cyclictest12625-21ntp_kernel_err23:30:171
210859987,1cyclictest11612-21ntp_kernel_pll_20:10:191
210859986,2cyclictest703-21snmpd23:38:011
210859986,2cyclictest703-21snmpd20:23:591
210859986,2cyclictest703-21snmpd00:27:591
210859986,1cyclictest703-21snmpd19:10:081
210859985,2cyclictest703-21snmpd23:50:041
210859985,2cyclictest703-21snmpd23:10:421
210859985,2cyclictest703-21snmpd20:53:391
210859985,2cyclictest703-21snmpd19:57:371
210859985,2cyclictest703-21snmpd19:25:511
210859985,2cyclictest703-21snmpd00:24:291
210859984,3cyclictest703-21snmpd23:47:431
210859977,0cyclictest703-21snmpd20:01:041
210859977,0cyclictest703-21snmpd00:35:171
210859977,0cyclictest294-21hwrng22:37:291
210859976,1cyclictest7400-21missed_timers23:25:171
210859976,1cyclictest703-21snmpd22:26:411
210859976,1cyclictest703-21snmpd19:35:121
210859976,1cyclictest19709-21sh00:10:171
210859976,1cyclictest19699-21gltestperf23:05:131
210859976,1cyclictest1964-21cpuspeed_turbos23:20:161
210859976,1cyclictest10768-21sh21:50:291
210859976,1cyclictest10660-21timerandwakeup22:55:221
210859975,2cyclictest29787-21cat22:10:171
210859975,1cyclictest16543-21cpuspeed_turbos20:25:131
210859975,1cyclictest0-21swapper/122:00:201
210859974,3cyclictest15047-21ntpq21:55:171
210859974,2cyclictest703-21snmpd23:01:511
210859973,3cyclictest703-21snmpd00:19:591
210859966,0cyclictest703-21snmpd21:09:421
210859966,0cyclictest294-21hwrng20:48:571
210859965,1cyclictest5419-21timerandwakeup23:55:221
210859965,1cyclictest257-21systemd-udevd22:40:211
210859965,1cyclictest16910-21packagekitd21:25:331
210859963,3cyclictest31725-21ntpq21:40:171
210859962,3cyclictest703-21snmpd21:14:331
210859953,2cyclictest25472-21tr19:20:161
210859951,2cyclictest29816-21apt-get21:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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