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2026-06-05 - 18:46

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 Fri Jun 05, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24859991918,1cyclictest65850irq/126-lan10:15:303
24859991918,1cyclictest65850irq/126-lan08:40:193
24859991817,1cyclictest65850irq/126-lan12:10:123
24859991817,1cyclictest65850irq/126-lan11:23:563
24859991817,1cyclictest65850irq/126-lan11:10:163
24859991817,1cyclictest65850irq/126-lan11:00:213
24859991817,1cyclictest65850irq/126-lan10:45:133
24859991817,1cyclictest65850irq/126-lan08:57:473
24859991817,1cyclictest65850irq/126-lan07:22:293
24859991717,0cyclictest65850irq/126-lan11:40:113
24859991717,0cyclictest65850irq/126-lan10:05:143
24859991717,0cyclictest65850irq/126-lan08:35:233
24859991716,1cyclictest65850irq/126-lan12:25:103
24859991716,1cyclictest65850irq/126-lan12:21:053
24859991716,1cyclictest65850irq/126-lan12:05:143
24859991716,1cyclictest65850irq/126-lan09:21:203
24859991716,1cyclictest65850irq/126-lan08:25:123
24859991716,1cyclictest65850irq/126-lan08:08:323
24859991716,1cyclictest65850irq/126-lan07:15:123
24859991616,0cyclictest65850irq/126-lan11:55:143
24859991616,0cyclictest65850irq/126-lan11:45:133
24859991616,0cyclictest65850irq/126-lan11:35:223
24859991616,0cyclictest65850irq/126-lan10:50:143
24859991616,0cyclictest65850irq/126-lan10:35:223
24859991616,0cyclictest65850irq/126-lan09:55:183
24859991616,0cyclictest65850irq/126-lan09:02:303
24859991615,1cyclictest65850irq/126-lan12:30:143
24859991615,1cyclictest65850irq/126-lan10:25:133
24859991615,1cyclictest65850irq/126-lan09:50:153
24859991615,1cyclictest65850irq/126-lan08:00:133
24859991615,1cyclictest65850irq/126-lan07:45:193
24859991615,1cyclictest65850irq/126-lan07:35:143
24859991615,1cyclictest65850irq/126-lan07:25:193
24850991616,0cyclictest743-21snmpd10:30:191
24850991616,0cyclictest743-21snmpd08:05:051
24859991515,0cyclictest65850irq/126-lan10:30:123
24859991515,0cyclictest65850irq/126-lan09:35:183
24859991515,0cyclictest65850irq/126-lan09:05:183
24859991515,0cyclictest65850irq/126-lan08:45:173
24859991514,1cyclictest65850irq/126-lan12:35:173
24859991514,1cyclictest65850irq/126-lan09:45:123
24859991514,1cyclictest65850irq/126-lan09:40:113
24859991514,1cyclictest65850irq/126-lan08:50:113
24859991514,1cyclictest65850irq/126-lan08:30:153
24859991514,1cyclictest65850irq/126-lan08:15:113
24859991514,1cyclictest65850irq/126-lan07:40:183
24850991515,0cyclictest743-21snmpd12:19:191
24850991515,0cyclictest743-21snmpd10:25:401
24850991515,0cyclictest743-21snmpd09:29:591
24850991515,0cyclictest743-21snmpd07:55:561
24859991414,0cyclictest65850irq/126-lan11:05:213
24859991414,0cyclictest65850irq/126-lan10:03:413
24859991414,0cyclictest65850irq/126-lan09:15:233
24859991414,0cyclictest65850irq/126-lan07:30:123
24859991413,1cyclictest65850irq/126-lan11:30:223
24859991413,1cyclictest65850irq/126-lan11:15:163
24859991413,1cyclictest65850irq/126-lan10:40:153
24859991413,1cyclictest65850irq/126-lan09:10:183
24859991413,1cyclictest65850irq/126-lan08:10:113
24850991414,0cyclictest743-21snmpd12:29:281
24850991414,0cyclictest743-21snmpd11:48:061
24850991414,0cyclictest743-21snmpd10:22:281
24850991414,0cyclictest743-21snmpd07:27:491
24850991414,0cyclictest23783-21cat09:45:141
24850991414,0cyclictest12762-21cat11:55:131
24859991312,1cyclictest65850irq/126-lan11:50:113
24859991312,1cyclictest65850irq/126-lan10:55:173
24859991312,1cyclictest65850irq/126-lan08:23:293
24850991313,0cyclictest743-21snmpd10:05:151
24850991313,0cyclictest743-21snmpd09:38:231
24850991313,0cyclictest743-21snmpd09:23:201
24850991313,0cyclictest743-21snmpd09:00:581
24850991313,0cyclictest743-21snmpd08:56:521
24850991313,0cyclictest743-21snmpd08:01:081
24850991313,0cyclictest20056-21cat10:55:141
24850991313,0cyclictest18803-21cat12:10:131
24859991212,0cyclictest65850irq/126-lan10:15:003
24859991212,0cyclictest65850irq/126-lan07:50:193
24859991211,1cyclictest65850irq/126-lan12:15:133
24850991212,0cyclictest743-21snmpd09:52:571
24850991212,0cyclictest29001-21cat11:15:141
24859991111,0cyclictest65850irq/126-lan07:55:173
24859991110,1cyclictest65850irq/126-lan10:20:163
2485999109,1cyclictest65850irq/126-lan11:25:123
24859991010,0cyclictest65850irq/126-lan12:00:183
24850991010,0cyclictest743-21snmpd08:32:001
248559998,1cyclictest743-21snmpd11:49:182
248559998,1cyclictest743-21snmpd09:15:292
248559998,1cyclictest741-21lldpd09:44:282
248429998,1cyclictest743-21snmpd09:54:420
248429998,1cyclictest741-21lldpd12:10:420
248429997,2cyclictest743-21snmpd07:14:510
248599988,0cyclictest741-21lldpd09:32:213
248559988,0cyclictest741-21lldpd11:36:512
248559988,0cyclictest741-21lldpd10:40:542
248559987,1cyclictest573-21in:imuxsock07:18:512
248559987,1cyclictest29167-21cut12:35:132
248559987,1cyclictest25165-21gltestperf12:25:122
248559986,2cyclictest743-21snmpd11:09:172
248559986,2cyclictest743-21snmpd11:01:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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