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2026-06-01 - 23:31

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 01, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30149992019,1cyclictest65850irq/126-lan11:56:501
30149991918,1cyclictest65850irq/126-lan07:50:141
30149991817,1cyclictest65850irq/126-lan11:20:141
30149991817,1cyclictest65850irq/126-lan07:15:211
30149991716,1cyclictest65850irq/126-lan12:35:121
30149991716,1cyclictest65850irq/126-lan11:15:141
30149991716,1cyclictest65850irq/126-lan10:45:201
30149991716,1cyclictest65850irq/126-lan10:30:141
30149991716,1cyclictest65850irq/126-lan10:05:151
30149991716,1cyclictest65850irq/126-lan09:40:151
30149991716,1cyclictest65850irq/126-lan08:35:161
30149991716,1cyclictest65850irq/126-lan08:10:111
30149991716,1cyclictest65850irq/126-lan08:05:211
30149991716,1cyclictest65850irq/126-lan08:00:121
30149991616,0cyclictest65850irq/126-lan12:22:241
30149991616,0cyclictest65850irq/126-lan09:05:121
30149991616,0cyclictest65850irq/126-lan08:25:131
30149991616,0cyclictest65850irq/126-lan07:38:431
30149991616,0cyclictest65850irq/126-lan07:25:141
30149991615,1cyclictest65850irq/126-lan11:25:171
30149991615,1cyclictest65850irq/126-lan10:55:221
30149991615,1cyclictest65850irq/126-lan10:00:171
30149991615,1cyclictest65850irq/126-lan08:55:151
30149991615,1cyclictest65850irq/126-lan08:45:181
30149991615,1cyclictest65850irq/126-lan08:40:131
30149991515,0cyclictest65850irq/126-lan11:40:161
30149991515,0cyclictest65850irq/126-lan11:30:191
30149991515,0cyclictest65850irq/126-lan10:50:201
30149991515,0cyclictest65850irq/126-lan10:35:131
30149991515,0cyclictest65850irq/126-lan09:30:151
30149991515,0cyclictest65850irq/126-lan08:20:441
30149991514,1cyclictest65850irq/126-lan12:05:181
30149991514,1cyclictest65850irq/126-lan11:45:111
30149991514,1cyclictest65850irq/126-lan11:40:001
30149991514,1cyclictest65850irq/126-lan11:10:151
30149991514,1cyclictest65850irq/126-lan09:55:221
30149991514,1cyclictest65850irq/126-lan09:45:201
30149991514,1cyclictest65850irq/126-lan09:00:171
30149991514,1cyclictest65850irq/126-lan08:30:171
30149991513,1cyclictest65850irq/126-lan09:10:131
30149991414,0cyclictest65850irq/126-lan12:04:231
30149991414,0cyclictest65850irq/126-lan10:20:191
30149991414,0cyclictest65850irq/126-lan09:50:151
30149991414,0cyclictest65850irq/126-lan09:35:171
30149991414,0cyclictest65850irq/126-lan09:20:141
30149991414,0cyclictest65850irq/126-lan07:11:441
30149991413,1cyclictest65850irq/126-lan12:25:121
30149991413,1cyclictest65850irq/126-lan10:40:121
30149991413,1cyclictest65850irq/126-lan10:10:111
30149991413,1cyclictest65850irq/126-lan08:15:181
30149991313,0cyclictest65850irq/126-lan12:15:121
30149991313,0cyclictest65850irq/126-lan12:10:191
30149991313,0cyclictest65850irq/126-lan10:15:201
30149991312,1cyclictest65850irq/126-lan12:30:161
30149991312,1cyclictest65850irq/126-lan07:45:141
30149991212,0cyclictest65850irq/126-lan09:25:191
30149991211,1cyclictest65850irq/126-lan11:50:161
30149991211,1cyclictest65850irq/126-lan07:55:141
30149991111,0cyclictest65850irq/126-lan11:01:241
30149991111,0cyclictest65850irq/126-lan10:26:221
30149991111,0cyclictest65850irq/126-lan07:30:171
30149991110,1cyclictest65850irq/126-lan08:50:161
30149991110,1cyclictest65850irq/126-lan07:20:111
30149991010,0cyclictest65850irq/126-lan09:15:151
301589998,1cyclictest743-21snmpd09:57:553
301589998,1cyclictest741-21lldpd07:35:193
301539998,1cyclictest743-21snmpd08:07:582
301539998,1cyclictest743-21snmpd07:15:192
301539998,1cyclictest741-21lldpd11:20:352
301539998,1cyclictest741-21lldpd09:46:312
301449998,1cyclictest743-21snmpd09:40:500
301589988,0cyclictest743-21snmpd10:46:173
301589988,0cyclictest743-21snmpd09:05:223
301589988,0cyclictest741-21lldpd11:47:463
301589988,0cyclictest741-21lldpd10:58:273
301589987,1cyclictest743-21snmpd12:29:323
301589987,1cyclictest743-21snmpd12:24:353
301589987,1cyclictest743-21snmpd12:19:213
301589987,1cyclictest743-21snmpd10:24:383
301589987,1cyclictest743-21snmpd10:12:353
301589987,1cyclictest741-21lldpd09:34:153
301589987,1cyclictest522-21avahi-daemon09:20:293
301589986,2cyclictest743-21snmpd12:39:033
301589986,2cyclictest743-21snmpd08:47:173
301589986,2cyclictest743-21snmpd07:46:263
301589986,2cyclictest23755-21cat10:50:143
301539988,0cyclictest743-21snmpd12:35:132
301539988,0cyclictest743-21snmpd07:45:532
301539988,0cyclictest741-21lldpd10:50:102
301539987,1cyclictest743-21snmpd12:26:442
301539987,1cyclictest741-21lldpd12:03:222
301539987,1cyclictest741-21lldpd09:19:072
301539987,1cyclictest10928-21sh10:20:002
301539986,2cyclictest743-21snmpd11:28:022
301539986,2cyclictest743-21snmpd09:09:252
301539986,2cyclictest743-21snmpd07:40:002
301539986,2cyclictest27781-21cat11:00:142
301539986,2cyclictest2423-21cat07:20:132
301539984,3cyclictest10894-21apt-get09:00:122
301499987,1cyclictest65850irq/126-lan07:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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