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2026-06-22 - 00:06

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 Sun Jun 21, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19117991918,1cyclictest65850irq/126-lan12:31:390
19117991918,1cyclictest65850irq/126-lan12:15:160
19117991918,1cyclictest65850irq/126-lan11:00:200
19117991918,1cyclictest65850irq/126-lan10:25:130
19117991918,1cyclictest65850irq/126-lan08:05:140
19121991818,0cyclictest743-21snmpd10:23:271
19117991817,1cyclictest65850irq/126-lan12:02:260
19117991817,1cyclictest65850irq/126-lan10:55:120
19117991817,1cyclictest65850irq/126-lan09:25:130
19117991817,1cyclictest65850irq/126-lan08:50:210
19117991817,1cyclictest65850irq/126-lan08:30:180
19117991817,1cyclictest65850irq/126-lan07:15:190
19121991717,0cyclictest743-21snmpd12:01:191
19117991717,0cyclictest65850irq/126-lan09:50:150
19117991716,1cyclictest65850irq/126-lan12:05:120
19117991716,1cyclictest65850irq/126-lan10:45:120
19117991716,1cyclictest65850irq/126-lan10:10:160
19117991716,1cyclictest65850irq/126-lan10:00:200
19117991716,1cyclictest65850irq/126-lan09:35:140
19117991716,1cyclictest65850irq/126-lan08:19:230
19121991616,0cyclictest743-21snmpd11:49:311
19117991616,0cyclictest65850irq/126-lan10:16:130
19117991616,0cyclictest65850irq/126-lan08:55:110
19117991616,0cyclictest65850irq/126-lan08:25:240
19117991615,1cyclictest65850irq/126-lan11:05:210
19117991615,1cyclictest65850irq/126-lan10:30:160
19117991615,1cyclictest65850irq/126-lan09:45:140
19117991615,1cyclictest65850irq/126-lan09:20:130
19117991615,1cyclictest65850irq/126-lan08:45:170
19117991615,1cyclictest65850irq/126-lan08:40:390
19117991615,1cyclictest65850irq/126-lan07:40:160
19117991615,1cyclictest65850irq/126-lan07:35:190
19117991615,1cyclictest65850irq/126-lan07:20:120
19121991515,0cyclictest743-21snmpd12:31:171
19117991515,0cyclictest65850irq/126-lan11:31:520
19117991515,0cyclictest65850irq/126-lan09:30:130
19117991515,0cyclictest65850irq/126-lan09:15:110
19117991515,0cyclictest65850irq/126-lan08:37:340
19117991515,0cyclictest65850irq/126-lan07:45:110
19117991515,0cyclictest65850irq/126-lan07:30:120
19117991515,0cyclictest65850irq/126-lan07:25:120
19117991514,1cyclictest65850irq/126-lan12:35:120
19117991514,1cyclictest65850irq/126-lan12:25:140
19117991514,1cyclictest65850irq/126-lan11:25:160
19117991514,1cyclictest65850irq/126-lan11:20:130
19117991514,1cyclictest65850irq/126-lan09:40:130
19117991514,1cyclictest65850irq/126-lan09:05:170
19121991414,0cyclictest743-21snmpd11:41:441
19121991414,0cyclictest743-21snmpd11:35:261
19121991414,0cyclictest743-21snmpd10:37:511
19121991414,0cyclictest743-21snmpd09:41:281
19117991414,0cyclictest65850irq/126-lan11:56:220
19117991414,0cyclictest65850irq/126-lan11:40:090
19117991414,0cyclictest65850irq/126-lan10:50:150
19117991414,0cyclictest65850irq/126-lan09:10:190
19117991413,1cyclictest65850irq/126-lan11:35:140
19117991413,1cyclictest65850irq/126-lan08:00:160
19117991413,1cyclictest65850irq/126-lan07:55:130
19121991313,0cyclictest743-21snmpd12:26:481
19121991313,0cyclictest743-21snmpd11:26:231
19121991313,0cyclictest743-21snmpd10:48:551
19121991313,0cyclictest743-21snmpd10:26:251
19121991313,0cyclictest743-21snmpd10:08:531
19121991313,0cyclictest743-21snmpd09:56:291
19121991313,0cyclictest743-21snmpd09:37:551
19121991313,0cyclictest743-21snmpd09:33:281
19121991313,0cyclictest743-21snmpd09:27:311
19121991313,0cyclictest743-21snmpd09:20:431
19121991313,0cyclictest743-21snmpd08:32:051
19121991313,0cyclictest743-21snmpd07:54:141
19121991313,0cyclictest5986-21cat07:55:121
19121991313,0cyclictest32667-21cat09:00:151
19121991313,0cyclictest26189-21cat08:45:131
19121991313,0cyclictest23798-21cat07:20:141
19121991313,0cyclictest17162-21cat11:00:151
19117991313,0cyclictest65850irq/126-lan09:55:100
19117991313,0cyclictest65850irq/126-lan09:03:230
19117991312,1cyclictest65850irq/126-lan11:50:140
19117991312,1cyclictest65850irq/126-lan10:05:200
19121991212,0cyclictest743-21snmpd12:16:491
19121991212,0cyclictest743-21snmpd11:12:071
19121991212,0cyclictest743-21snmpd10:15:111
19121991212,0cyclictest743-21snmpd09:50:141
19121991212,0cyclictest743-21snmpd08:26:231
19121991212,0cyclictest743-21snmpd07:37:231
19121991212,0cyclictest743-21snmpd07:33:071
19121991212,0cyclictest743-21snmpd07:15:181
19117991212,0cyclictest65850irq/126-lan10:35:140
19117991211,1cyclictest65850irq/126-lan11:45:160
19117991211,1cyclictest65850irq/126-lan11:15:200
19117991211,1cyclictest65850irq/126-lan11:10:120
19117991211,1cyclictest65850irq/126-lan07:50:140
19117991111,0cyclictest65850irq/126-lan08:14:230
19117991110,1cyclictest65850irq/126-lan12:20:120
19117991010,0cyclictest65850irq/126-lan12:10:170
191249998,1cyclictest743-21snmpd12:20:392
191249996,2cyclictest743-21snmpd10:17:392
191219998,1cyclictest743-21snmpd11:56:301
191219998,1cyclictest743-21snmpd08:18:011
191319988,0cyclictest743-21snmpd09:21:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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