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2026-06-16 - 21:09

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 Tue Jun 16, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8983991918,1cyclictest65850irq/126-lan12:10:133
8983991918,1cyclictest65850irq/126-lan11:55:143
8983991918,1cyclictest65850irq/126-lan09:30:113
8983991818,0cyclictest65850irq/126-lan12:35:173
8983991818,0cyclictest65850irq/126-lan12:05:173
8983991817,1cyclictest65850irq/126-lan12:18:453
8983991817,1cyclictest65850irq/126-lan12:00:113
8983991817,1cyclictest65850irq/126-lan07:40:133
8983991816,2cyclictest65850irq/126-lan09:10:113
8983991717,0cyclictest65850irq/126-lan11:44:303
8983991717,0cyclictest65850irq/126-lan10:58:113
8983991717,0cyclictest65850irq/126-lan10:40:143
8983991717,0cyclictest65850irq/126-lan09:58:333
8983991717,0cyclictest65850irq/126-lan09:15:283
8983991717,0cyclictest65850irq/126-lan08:30:023
8983991717,0cyclictest65850irq/126-lan07:50:213
8983991716,1cyclictest65850irq/126-lan12:30:143
8983991716,1cyclictest65850irq/126-lan12:20:193
8983991716,1cyclictest65850irq/126-lan10:45:133
8983991716,1cyclictest65850irq/126-lan09:00:143
8983991716,1cyclictest65850irq/126-lan08:50:183
8983991716,1cyclictest65850irq/126-lan08:45:123
8983991716,1cyclictest65850irq/126-lan08:35:183
8983991716,1cyclictest65850irq/126-lan08:25:153
8983991716,1cyclictest65850irq/126-lan08:05:163
8983991716,1cyclictest65850irq/126-lan07:30:123
8983991616,0cyclictest65850irq/126-lan11:25:163
8983991616,0cyclictest65850irq/126-lan07:55:213
8983991616,0cyclictest65850irq/126-lan07:45:123
8983991615,1cyclictest65850irq/126-lan10:05:183
8983991615,1cyclictest65850irq/126-lan09:50:163
8983991615,1cyclictest65850irq/126-lan09:40:153
8983991615,1cyclictest65850irq/126-lan09:25:143
8983991615,1cyclictest65850irq/126-lan09:10:003
8983991615,1cyclictest65850irq/126-lan08:40:173
8983991615,1cyclictest65850irq/126-lan07:35:173
8983991615,1cyclictest65850irq/126-lan07:20:193
8983991515,0cyclictest65850irq/126-lan10:30:013
8983991515,0cyclictest65850irq/126-lan10:27:293
8983991515,0cyclictest65850irq/126-lan07:15:153
8983991514,1cyclictest65850irq/126-lan12:25:303
8983991514,1cyclictest65850irq/126-lan10:10:223
8983991514,1cyclictest65850irq/126-lan08:55:203
8983991514,1cyclictest65850irq/126-lan08:20:133
8983991514,1cyclictest65850irq/126-lan07:13:303
8979991515,0cyclictest743-21snmpd08:03:112
8974991515,0cyclictest743-21snmpd10:50:381
8974991515,0cyclictest743-21snmpd10:06:091
8974991515,0cyclictest743-21snmpd09:32:011
8974991515,0cyclictest743-21snmpd07:47:161
8983991414,0cyclictest65850irq/126-lan11:45:143
8983991414,0cyclictest65850irq/126-lan11:36:343
8983991414,0cyclictest65850irq/126-lan11:20:163
8983991414,0cyclictest65850irq/126-lan07:25:123
8983991413,1cyclictest65850irq/126-lan11:30:153
8983991413,1cyclictest65850irq/126-lan10:15:103
8983991413,1cyclictest65850irq/126-lan10:00:133
8983991413,1cyclictest65850irq/126-lan09:35:173
8983991413,1cyclictest65850irq/126-lan08:15:123
8983991413,1cyclictest65850irq/126-lan08:10:203
8974991414,0cyclictest743-21snmpd11:50:511
8974991414,0cyclictest743-21snmpd11:47:281
8974991414,0cyclictest743-21snmpd10:16:181
8974991414,0cyclictest743-21snmpd08:09:561
8974991414,0cyclictest743-21snmpd07:40:031
8974991414,0cyclictest12788-21fwupd07:18:221
8983991313,0cyclictest65850irq/126-lan11:10:143
8983991313,0cyclictest65850irq/126-lan09:45:193
8983991312,1cyclictest65850irq/126-lan11:50:183
8983991312,1cyclictest65850irq/126-lan11:07:293
8983991312,1cyclictest65850irq/126-lan10:35:133
8979991313,0cyclictest743-21snmpd11:15:122
8979991313,0cyclictest743-21snmpd11:09:332
8979991313,0cyclictest743-21snmpd10:42:502
8979991313,0cyclictest743-21snmpd09:48:172
8979991313,0cyclictest743-21snmpd07:26:572
8979991312,1cyclictest743-21snmpd08:14:052
8974991313,0cyclictest8314-21cat09:45:121
8974991313,0cyclictest743-21snmpd12:24:111
8974991313,0cyclictest743-21snmpd11:26:391
8974991313,0cyclictest743-21snmpd11:24:531
8974991313,0cyclictest743-21snmpd09:57:541
8974991313,0cyclictest743-21snmpd09:53:001
8974991313,0cyclictest743-21snmpd09:15:161
8974991313,0cyclictest743-21snmpd09:05:431
8974991313,0cyclictest743-21snmpd08:34:381
8974991313,0cyclictest743-21snmpd07:31:241
8974991313,0cyclictest743-21snmpd07:24:311
8974991313,0cyclictest14365-21cat10:00:131
8983991212,0cyclictest65850irq/126-lan11:00:203
8983991212,0cyclictest65850irq/126-lan10:20:163
8979991212,0cyclictest743-21snmpd12:26:262
8979991212,0cyclictest743-21snmpd11:54:572
8979991212,0cyclictest743-21snmpd11:44:042
8979991212,0cyclictest743-21snmpd11:20:512
8979991212,0cyclictest743-21snmpd10:51:172
8979991212,0cyclictest743-21snmpd09:06:342
8979991212,0cyclictest743-21snmpd08:47:392
8979991212,0cyclictest743-21snmpd08:29:062
8979991212,0cyclictest743-21snmpd07:24:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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