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2026-06-09 - 00:56

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 Mon Jun 08, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13385991817,1cyclictest65850irq/126-lan09:45:163
13385991817,1cyclictest65850irq/126-lan09:40:113
13385991817,1cyclictest65850irq/126-lan09:25:403
13385991717,0cyclictest65850irq/126-lan10:45:313
13385991717,0cyclictest65850irq/126-lan09:30:303
13385991717,0cyclictest65850irq/126-lan07:35:113
13385991716,1cyclictest65850irq/126-lan12:05:143
13385991716,1cyclictest65850irq/126-lan12:00:153
13385991716,1cyclictest65850irq/126-lan11:55:133
13385991716,1cyclictest65850irq/126-lan11:50:103
13385991716,1cyclictest65850irq/126-lan10:55:223
13385991716,1cyclictest65850irq/126-lan10:50:193
13385991716,1cyclictest65850irq/126-lan10:35:163
13385991716,1cyclictest65850irq/126-lan09:50:203
13385991716,1cyclictest65850irq/126-lan08:10:163
13385991616,0cyclictest65850irq/126-lan09:20:193
13385991616,0cyclictest65850irq/126-lan09:07:123
13385991616,0cyclictest65850irq/126-lan08:40:183
13385991616,0cyclictest65850irq/126-lan08:00:113
13385991616,0cyclictest65850irq/126-lan07:52:143
13385991615,1cyclictest65850irq/126-lan11:15:133
13385991615,1cyclictest65850irq/126-lan11:05:183
13385991615,1cyclictest65850irq/126-lan10:30:173
13385991615,1cyclictest65850irq/126-lan10:20:003
13385991615,1cyclictest65850irq/126-lan09:35:143
13385991615,1cyclictest65850irq/126-lan08:35:183
13385991615,1cyclictest65850irq/126-lan07:25:213
13385991515,0cyclictest65850irq/126-lan12:31:163
13385991515,0cyclictest65850irq/126-lan10:40:313
13385991515,0cyclictest65850irq/126-lan10:05:243
13385991515,0cyclictest65850irq/126-lan10:00:133
13385991515,0cyclictest65850irq/126-lan07:40:193
13385991514,1cyclictest65850irq/126-lan11:45:163
13385991514,1cyclictest65850irq/126-lan11:35:143
13385991514,1cyclictest65850irq/126-lan11:20:163
13385991514,1cyclictest65850irq/126-lan10:10:153
13385991514,1cyclictest65850irq/126-lan08:45:173
13385991514,1cyclictest65850irq/126-lan08:15:143
13385991514,1cyclictest65850irq/126-lan08:05:133
13385991414,0cyclictest65850irq/126-lan12:15:223
13385991414,0cyclictest65850irq/126-lan11:25:183
13385991414,0cyclictest65850irq/126-lan09:10:153
13385991414,0cyclictest65850irq/126-lan08:26:123
13385991413,1cyclictest65850irq/126-lan11:40:123
13385991313,0cyclictest65850irq/126-lan10:25:183
13385991313,0cyclictest65850irq/126-lan08:55:133
13385991313,0cyclictest65850irq/126-lan08:30:143
13385991313,0cyclictest65850irq/126-lan07:10:153
13385991312,1cyclictest65850irq/126-lan11:30:173
13385991312,1cyclictest65850irq/126-lan07:45:123
13385991312,1cyclictest65850irq/126-lan07:30:173
13385991312,1cyclictest65850irq/126-lan07:22:123
13385991212,0cyclictest65850irq/126-lan12:20:563
13385991212,0cyclictest65850irq/126-lan12:10:133
13385991212,0cyclictest65850irq/126-lan09:19:593
13385991212,0cyclictest65850irq/126-lan07:55:003
13385991211,1cyclictest65850irq/126-lan09:55:183
13385991111,0cyclictest65850irq/126-lan08:20:143
13385991111,0cyclictest65850irq/126-lan07:15:183
13385991110,1cyclictest65850irq/126-lan11:11:453
13385991110,1cyclictest65850irq/126-lan11:00:173
1338599109,1cyclictest65850irq/126-lan12:25:163
133859998,1cyclictest65850irq/126-lan12:35:173
133859998,1cyclictest65850irq/126-lan10:20:113
133809998,1cyclictest743-21snmpd12:24:422
133699998,1cyclictest743-21snmpd09:19:140
133859987,1cyclictest65850irq/126-lan09:00:113
133809988,0cyclictest743-21snmpd11:36:342
133809988,0cyclictest743-21snmpd10:59:452
133809988,0cyclictest743-21snmpd10:03:102
133809988,0cyclictest743-21snmpd09:57:532
133809988,0cyclictest741-21lldpd08:17:282
133809987,1cyclictest743-21snmpd07:42:262
133809987,1cyclictest743-21snmpd07:30:332
133809987,1cyclictest743-21snmpd07:21:252
133809986,2cyclictest743-21snmpd12:05:272
133809986,2cyclictest743-21snmpd11:59:072
133809986,2cyclictest743-21snmpd11:03:012
133809986,2cyclictest743-21snmpd10:50:292
133809986,2cyclictest743-21snmpd07:16:442
133749988,0cyclictest743-21snmpd07:46:111
133749988,0cyclictest743-21snmpd07:39:561
133749988,0cyclictest741-21lldpd10:46:011
133749988,0cyclictest741-21lldpd08:04:041
133749987,1cyclictest743-21snmpd10:05:191
133749987,1cyclictest743-21snmpd09:58:231
133749987,1cyclictest743-21snmpd09:12:061
133749987,1cyclictest743-21snmpd07:18:591
133749987,1cyclictest741-21lldpd12:26:521
133749987,1cyclictest741-21lldpd08:09:311
133749986,2cyclictest743-21snmpd11:42:341
133749986,2cyclictest743-21snmpd10:22:221
133749986,2cyclictest743-21snmpd09:08:231
133749986,2cyclictest743-21snmpd08:34:371
133749986,2cyclictest743-21snmpd07:32:321
133699988,0cyclictest743-21snmpd12:20:540
133699988,0cyclictest743-21snmpd10:59:000
133699988,0cyclictest743-21snmpd09:45:390
133699988,0cyclictest741-21lldpd12:36:250
133699988,0cyclictest741-21lldpd08:54:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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