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2026-10-10 - 01:38

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 all highest latencies:
System rack8slot7s.osadl.org (updated Fri Oct 09, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32478992019,1cyclictest62650irq/125-lan11:56:181
32478992019,1cyclictest62650irq/125-lan10:54:021
32478992019,1cyclictest62650irq/125-lan10:38:231
32474992019,1cyclictest62650irq/125-lan07:48:220
32478991918,1cyclictest62650irq/125-lan12:30:151
32478991918,1cyclictest62650irq/125-lan12:26:491
32478991918,1cyclictest62650irq/125-lan12:15:401
32478991918,1cyclictest62650irq/125-lan12:07:251
32478991918,1cyclictest62650irq/125-lan12:03:591
32478991918,1cyclictest62650irq/125-lan11:50:371
32478991918,1cyclictest62650irq/125-lan11:50:371
32478991918,1cyclictest62650irq/125-lan11:39:011
32478991918,1cyclictest62650irq/125-lan11:30:201
32478991918,1cyclictest62650irq/125-lan11:26:121
32478991918,1cyclictest62650irq/125-lan11:15:501
32478991918,1cyclictest62650irq/125-lan11:00:121
32478991918,1cyclictest62650irq/125-lan10:34:401
32478991918,1cyclictest62650irq/125-lan10:27:461
32478991918,1cyclictest62650irq/125-lan10:10:211
32478991918,1cyclictest62650irq/125-lan10:05:171
32478991918,1cyclictest62650irq/125-lan09:53:441
32478991918,1cyclictest62650irq/125-lan09:46:041
32478991918,1cyclictest62650irq/125-lan09:30:101
32478991918,1cyclictest62650irq/125-lan09:21:131
32478991918,1cyclictest62650irq/125-lan08:59:171
32478991918,1cyclictest62650irq/125-lan08:45:281
32478991918,1cyclictest62650irq/125-lan08:20:311
32478991918,1cyclictest62650irq/125-lan07:10:001
32478991917,2cyclictest62650irq/125-lan12:22:291
32478991917,2cyclictest62650irq/125-lan09:27:001
32478991917,1cyclictest62650irq/125-lan10:58:181
32474991918,1cyclictest62650irq/125-lan07:39:050
32478991818,0cyclictest62650irq/125-lan12:35:411
32478991818,0cyclictest62650irq/125-lan11:48:531
32478991818,0cyclictest62650irq/125-lan10:49:121
32478991817,1cyclictest62650irq/125-lan11:21:401
32478991817,1cyclictest62650irq/125-lan11:14:541
32478991817,1cyclictest62650irq/125-lan10:43:171
32478991817,1cyclictest62650irq/125-lan10:20:181
32478991817,1cyclictest62650irq/125-lan10:15:201
32478991817,1cyclictest62650irq/125-lan10:02:151
32478991817,1cyclictest62650irq/125-lan09:55:291
32478991817,1cyclictest62650irq/125-lan09:40:051
32478991817,1cyclictest62650irq/125-lan09:38:371
32478991817,1cyclictest62650irq/125-lan09:15:201
32478991817,1cyclictest62650irq/125-lan09:10:321
32478991817,1cyclictest62650irq/125-lan09:00:191
32478991817,1cyclictest62650irq/125-lan08:50:571
32478991817,1cyclictest62650irq/125-lan08:44:481
32478991817,1cyclictest62650irq/125-lan08:33:291
32478991817,1cyclictest62650irq/125-lan08:16:331
32478991817,1cyclictest62650irq/125-lan07:15:141
32474991817,1cyclictest62650irq/125-lan07:43:490
32474991817,1cyclictest62650irq/125-lan07:27:460
32478991716,1cyclictest62650irq/125-lan12:10:161
32478991716,1cyclictest62650irq/125-lan11:40:141
32478991716,1cyclictest62650irq/125-lan08:35:171
32478991716,1cyclictest62650irq/125-lan08:12:561
32478991716,1cyclictest62650irq/125-lan07:59:461
32478991715,1cyclictest62650irq/125-lan11:05:101
32474991716,1cyclictest62650irq/125-lan07:50:190
32474991616,0cyclictest62650irq/125-lan07:32:490
32474991615,1cyclictest62650irq/125-lan07:20:450
32478991514,1cyclictest62650irq/125-lan08:00:171
32474991515,0cyclictest286-21hwrng12:08:140
32474991515,0cyclictest286-21hwrng11:49:480
32474991515,0cyclictest286-21hwrng09:39:440
32474991515,0cyclictest286-21hwrng09:25:250
32474991515,0cyclictest286-21hwrng08:19:520
32474991514,1cyclictest62650irq/125-lan07:19:390
32478991414,0cyclictest62650irq/125-lan08:05:191
32474991414,0cyclictest286-21hwrng12:30:450
32474991414,0cyclictest286-21hwrng12:26:400
32474991414,0cyclictest286-21hwrng12:24:370
32474991414,0cyclictest286-21hwrng11:18:030
32474991414,0cyclictest286-21hwrng10:51:260
32474991414,0cyclictest286-21hwrng10:11:300
32474991414,0cyclictest286-21hwrng09:09:020
32474991414,0cyclictest286-21hwrng08:53:400
32474991414,0cyclictest286-21hwrng08:48:330
32474991414,0cyclictest286-21hwrng08:37:170
32474991414,0cyclictest286-21hwrng08:34:130
32474991414,0cyclictest286-21hwrng08:06:340
32478991312,1cyclictest62650irq/125-lan09:05:131
32478991312,1cyclictest62650irq/125-lan08:25:211
32474991313,0cyclictest286-21hwrng12:10:160
32474991313,0cyclictest286-21hwrng12:02:050
32474991313,0cyclictest286-21hwrng11:51:510
32474991313,0cyclictest286-21hwrng11:51:510
32474991313,0cyclictest286-21hwrng11:40:350
32474991313,0cyclictest286-21hwrng11:10:530
32474991313,0cyclictest286-21hwrng10:30:570
32474991313,0cyclictest286-21hwrng10:20:420
32474991313,0cyclictest286-21hwrng10:17:380
32474991313,0cyclictest286-21hwrng09:01:520
32474991313,0cyclictest286-21hwrng08:59:480
32474991313,0cyclictest286-21hwrng08:40:220
32474991313,0cyclictest286-21hwrng08:20:540
32474991313,0cyclictest286-21hwrng08:11:400
32474991313,0cyclictest286-21hwrng08:00:250
32474991313,0cyclictest286-21hwrng07:58:230
3247499127,1cyclictest171rcu_preempt11:06:530
32474991212,0cyclictest286-21hwrng10:44:160
32474991212,0cyclictest286-21hwrng09:58:110
32474991212,0cyclictest286-21hwrng08:26:010
3247499118,0cyclictest171rcu_preempt12:36:590
3247499117,1cyclictest171rcu_preempt09:43:350
32474991111,0cyclictest286-21hwrng09:53:040
32474991111,0cyclictest286-21hwrng09:15:100
3247499108,0cyclictest171rcu_preempt11:27:030
3247499108,0cyclictest171rcu_preempt10:57:320
3247499107,1cyclictest171rcu_preempt11:32:020
3247499107,1cyclictest171rcu_preempt09:48:410
3247499107,1cyclictest171rcu_preempt09:13:270
3247499107,0cyclictest171rcu_preempt10:26:250
3247499106,1cyclictest171rcu_preempt11:36:160
3247499106,1cyclictest171rcu_preempt10:39:340
3247499106,1cyclictest171rcu_preempt10:00:070
3247499106,1cyclictest171rcu_preempt09:21:000
3247499104,1cyclictest171rcu_preempt11:20:290
32474991010,0cyclictest286-21hwrng12:15:240
324749998,1cyclictest223-20systemd-journal10:05:270
324749998,1cyclictest223-20systemd-journal09:31:500
324749997,0cyclictest171rcu_preempt11:57:250
324749996,0cyclictest171rcu_preempt11:00:140
324749995,1cyclictest171rcu_preempt10:45:300
324789987,1cyclictest734-21snmpd07:45:591
324789987,1cyclictest734-21snmpd07:23:131
324789975,2cyclictest734-21snmpd07:39:201
324749970,2cyclictest0-21swapper/007:10:150
324789966,0cyclictest732-21lldpd07:25:331
324789965,1cyclictest12873-21ntp_kernel_pll_07:40:171
324789954,1cyclictest223-20systemd-journal07:52:011
324789952,2cyclictest734-21snmpd07:34:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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