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2025-12-17 - 02:25

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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 100 highest latencies:
System rack8slot6s.osadl.org (updated Wed Dec 17, 2025 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18237994343,0cyclictest18547-21fwupd23:06:333
18225992019,1cyclictest65850irq/126-lan23:15:210
18225991918,1cyclictest65850irq/126-lan23:25:210
18225991918,1cyclictest65850irq/126-lan22:10:160
18225991818,0cyclictest65850irq/126-lan19:50:140
18225991817,1cyclictest65850irq/126-lan21:25:140
18225991817,1cyclictest65850irq/126-lan19:35:240
18225991817,1cyclictest65850irq/126-lan00:05:140
18229991717,0cyclictest440-21hwrng19:52:081
18225991717,0cyclictest65850irq/126-lan21:50:150
18225991717,0cyclictest65850irq/126-lan19:45:390
18225991717,0cyclictest65850irq/126-lan19:30:360
18225991716,1cyclictest65850irq/126-lan23:40:190
18225991716,1cyclictest65850irq/126-lan21:55:140
18225991716,1cyclictest65850irq/126-lan20:40:210
18225991716,1cyclictest65850irq/126-lan20:15:130
18225991716,1cyclictest65850irq/126-lan20:10:130
18225991716,1cyclictest65850irq/126-lan19:25:180
18225991716,1cyclictest65850irq/126-lan19:15:130
18225991616,0cyclictest65850irq/126-lan19:55:000
18225991615,1cyclictest65850irq/126-lan23:36:560
18225991615,1cyclictest65850irq/126-lan21:30:210
18225991615,1cyclictest65850irq/126-lan21:08:330
18225991615,1cyclictest65850irq/126-lan20:30:010
18225991615,1cyclictest65850irq/126-lan20:20:140
18237991515,0cyclictest440-21hwrng23:50:443
18237991515,0cyclictest440-21hwrng23:40:293
18237991515,0cyclictest440-21hwrng23:35:223
18237991515,0cyclictest440-21hwrng23:26:093
18237991515,0cyclictest440-21hwrng23:23:053
18237991515,0cyclictest440-21hwrng23:15:543
18237991515,0cyclictest440-21hwrng23:10:473
18237991515,0cyclictest440-21hwrng23:02:353
18237991515,0cyclictest440-21hwrng22:57:293
18237991515,0cyclictest440-21hwrng22:54:253
18237991515,0cyclictest440-21hwrng22:42:073
18237991515,0cyclictest440-21hwrng22:38:013
18237991515,0cyclictest440-21hwrng22:25:443
18237991515,0cyclictest440-21hwrng22:08:203
18237991515,0cyclictest440-21hwrng21:40:403
18237991515,0cyclictest440-21hwrng21:30:273
18237991515,0cyclictest440-21hwrng21:20:123
18237991515,0cyclictest440-21hwrng21:10:583
18237991515,0cyclictest440-21hwrng21:02:483
18237991515,0cyclictest440-21hwrng20:50:303
18237991515,0cyclictest440-21hwrng20:46:253
18237991515,0cyclictest440-21hwrng20:39:153
18237991515,0cyclictest440-21hwrng20:23:533
18237991515,0cyclictest440-21hwrng20:17:443
18237991515,0cyclictest440-21hwrng20:05:263
18237991515,0cyclictest440-21hwrng20:04:253
18237991515,0cyclictest440-21hwrng19:56:143
18237991515,0cyclictest440-21hwrng19:26:323
18237991515,0cyclictest440-21hwrng19:23:273
18237991515,0cyclictest440-21hwrng19:10:093
18237991515,0cyclictest440-21hwrng00:36:493
18237991515,0cyclictest440-21hwrng00:21:263
18237991515,0cyclictest440-21hwrng00:06:043
18237991515,0cyclictest440-21hwrng00:04:023
18234991515,0cyclictest440-21hwrng23:58:552
18234991515,0cyclictest440-21hwrng23:52:452
18234991515,0cyclictest440-21hwrng23:45:372
18234991515,0cyclictest440-21hwrng23:44:352
18234991515,0cyclictest440-21hwrng23:34:212
18234991515,0cyclictest440-21hwrng23:14:532
18234991515,0cyclictest440-21hwrng23:07:432
18234991515,0cyclictest440-21hwrng23:00:332
18234991515,0cyclictest440-21hwrng22:54:242
18234991515,0cyclictest440-21hwrng22:40:042
18234991515,0cyclictest440-21hwrng22:30:502
18234991515,0cyclictest440-21hwrng22:28:492
18234991515,0cyclictest440-21hwrng22:21:392
18234991515,0cyclictest440-21hwrng22:06:172
18234991515,0cyclictest440-21hwrng22:02:102
18234991515,0cyclictest440-21hwrng21:47:512
18234991515,0cyclictest440-21hwrng21:23:162
18234991515,0cyclictest440-21hwrng21:13:012
18234991515,0cyclictest440-21hwrng20:46:252
18234991515,0cyclictest440-21hwrng20:42:182
18234991515,0cyclictest440-21hwrng20:39:152
18234991515,0cyclictest440-21hwrng20:26:562
18234991515,0cyclictest440-21hwrng20:07:292
18234991515,0cyclictest440-21hwrng19:51:062
18234991515,0cyclictest440-21hwrng19:40:532
18234991515,0cyclictest440-21hwrng19:15:162
18234991515,0cyclictest440-21hwrng00:35:472
18234991515,0cyclictest440-21hwrng00:26:342
18234991515,0cyclictest440-21hwrng00:21:272
18234991515,0cyclictest440-21hwrng00:08:072
18234991515,0cyclictest440-21hwrng00:00:582
18229991515,0cyclictest440-21hwrng23:58:551
18229991515,0cyclictest440-21hwrng23:50:441
18229991515,0cyclictest440-21hwrng23:47:391
18229991515,0cyclictest440-21hwrng23:30:151
18229991515,0cyclictest440-21hwrng23:13:521
18229991515,0cyclictest440-21hwrng22:35:581
18229991515,0cyclictest440-21hwrng22:30:501
18229991515,0cyclictest440-21hwrng22:17:321
18229991515,0cyclictest440-21hwrng22:14:291
18229991515,0cyclictest440-21hwrng22:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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