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2026-07-31 - 16:25

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 Fri Jul 31, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32409991818,0cyclictest65850irq/126-lan10:42:310
32409991818,0cyclictest65850irq/126-lan10:10:120
32409991818,0cyclictest65850irq/126-lan09:25:120
32409991817,1cyclictest65850irq/126-lan11:20:180
32409991817,1cyclictest65850irq/126-lan10:30:210
32409991817,1cyclictest65850irq/126-lan10:25:170
32409991817,1cyclictest65850irq/126-lan09:21:160
32409991817,1cyclictest65850irq/126-lan08:20:190
32409991817,1cyclictest65850irq/126-lan07:15:160
32409991717,0cyclictest65850irq/126-lan12:05:210
32409991717,0cyclictest65850irq/126-lan11:40:550
32409991717,0cyclictest65850irq/126-lan11:34:520
32409991717,0cyclictest65850irq/126-lan09:45:210
32409991716,1cyclictest65850irq/126-lan12:20:100
32409991716,1cyclictest65850irq/126-lan11:40:000
32409991716,1cyclictest65850irq/126-lan11:05:130
32409991716,1cyclictest65850irq/126-lan10:00:180
32409991716,1cyclictest65850irq/126-lan09:55:120
32409991716,1cyclictest65850irq/126-lan09:50:160
32409991716,1cyclictest65850irq/126-lan09:30:230
32409991716,1cyclictest65850irq/126-lan08:55:210
32409991716,1cyclictest65850irq/126-lan08:10:140
32417991616,0cyclictest16785-21fwupd09:07:151
32409991616,0cyclictest65850irq/126-lan11:55:140
32409991616,0cyclictest65850irq/126-lan09:05:040
32409991616,0cyclictest65850irq/126-lan07:20:150
32409991615,1cyclictest65850irq/126-lan12:35:160
32409991615,1cyclictest65850irq/126-lan12:30:160
32409991615,1cyclictest65850irq/126-lan12:03:510
32409991615,1cyclictest65850irq/126-lan10:45:130
32409991615,1cyclictest65850irq/126-lan09:35:130
32409991615,1cyclictest65850irq/126-lan08:30:130
32409991615,1cyclictest65850irq/126-lan07:35:180
32409991615,1cyclictest65850irq/126-lan07:25:150
32409991615,1cyclictest65850irq/126-lan07:12:480
32409991515,0cyclictest65850irq/126-lan12:16:140
32409991515,0cyclictest65850irq/126-lan10:55:000
32409991515,0cyclictest65850irq/126-lan10:51:140
32409991515,0cyclictest65850irq/126-lan10:05:210
32409991515,0cyclictest65850irq/126-lan08:50:190
32409991514,1cyclictest65850irq/126-lan09:10:120
32409991514,1cyclictest65850irq/126-lan08:05:190
32409991513,2cyclictest65850irq/126-lan10:15:110
32409991414,0cyclictest65850irq/126-lan11:45:190
32409991414,0cyclictest65850irq/126-lan09:00:200
32409991414,0cyclictest65850irq/126-lan08:45:140
32409991414,0cyclictest65850irq/126-lan08:15:170
32409991414,0cyclictest65850irq/126-lan08:00:010
32409991414,0cyclictest65850irq/126-lan07:45:130
32409991414,0cyclictest65850irq/126-lan07:40:150
32409991413,1cyclictest65850irq/126-lan11:54:380
32409991413,1cyclictest65850irq/126-lan11:15:120
32409991413,1cyclictest65850irq/126-lan08:40:150
32409991313,0cyclictest65850irq/126-lan11:00:130
32409991313,0cyclictest65850irq/126-lan08:00:190
32409991312,1cyclictest65850irq/126-lan10:25:000
32409991312,1cyclictest65850irq/126-lan08:25:170
3241799128,1cyclictest743-21snmpd09:19:281
32409991212,0cyclictest65850irq/126-lan11:25:170
32409991212,0cyclictest65850irq/126-lan11:10:190
32409991212,0cyclictest65850irq/126-lan09:15:210
32409991212,0cyclictest65850irq/126-lan07:50:170
32409991212,0cyclictest65850irq/126-lan07:50:160
3241799118,3cyclictest743-21snmpd08:32:311
32409991111,0cyclictest65850irq/126-lan09:40:130
32409991110,1cyclictest65850irq/126-lan12:10:130
32409991110,1cyclictest65850irq/126-lan07:30:140
3241799108,0cyclictest741-21lldpd08:23:421
3241799105,2cyclictest743-21snmpd11:14:351
3241799105,2cyclictest743-21snmpd09:41:161
32409991010,0cyclictest65850irq/126-lan12:25:170
324299998,1cyclictest743-21snmpd07:45:203
324299998,1cyclictest743-21snmpd07:25:123
324299998,1cyclictest743-21snmpd07:11:353
324249998,1cyclictest743-21snmpd12:09:312
324249998,1cyclictest743-21snmpd09:41:222
324249998,1cyclictest743-21snmpd08:17:582
324179998,1cyclictest743-21snmpd11:59:271
324179998,1cyclictest743-21snmpd10:14:121
324179997,0cyclictest522-21avahi-daemon10:22:021
324179995,2cyclictest743-21snmpd07:36:541
324099999,0cyclictest65850irq/126-lan10:35:230
324299988,0cyclictest741-21lldpd12:30:273
324299988,0cyclictest741-21lldpd11:21:403
324299988,0cyclictest741-21lldpd09:06:143
324299987,1cyclictest743-21snmpd12:06:293
324299987,1cyclictest743-21snmpd10:16:303
324299987,1cyclictest743-21snmpd08:41:023
324299987,1cyclictest741-21lldpd12:29:093
324299987,1cyclictest741-21lldpd09:56:553
324299986,2cyclictest743-21snmpd09:25:343
324299986,2cyclictest743-21snmpd07:31:263
324299986,2cyclictest21784-21cat09:20:153
324249988,0cyclictest743-21snmpd11:29:172
324249988,0cyclictest743-21snmpd10:31:212
324249988,0cyclictest743-21snmpd08:04:192
324249988,0cyclictest741-21lldpd11:49:012
324249988,0cyclictest741-21lldpd10:00:072
324249988,0cyclictest741-21lldpd09:52:032
324249988,0cyclictest741-21lldpd09:35:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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