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2026-05-11 - 06:23

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 May 11, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8655991817,1cyclictest65850irq/126-lan00:35:141
8655991717,0cyclictest65850irq/126-lan23:55:111
8655991716,1cyclictest65850irq/126-lan22:20:161
8655991716,1cyclictest65850irq/126-lan21:50:141
8655991716,1cyclictest65850irq/126-lan21:42:271
8655991716,1cyclictest65850irq/126-lan20:20:161
8655991716,1cyclictest65850irq/126-lan19:25:191
8655991716,1cyclictest65850irq/126-lan00:05:131
8655991616,0cyclictest65850irq/126-lan21:30:261
8655991616,0cyclictest65850irq/126-lan19:16:231
8655991615,1cyclictest65850irq/126-lan23:50:211
8655991615,1cyclictest65850irq/126-lan23:32:101
8655991615,1cyclictest65850irq/126-lan23:10:111
8655991615,1cyclictest65850irq/126-lan22:35:141
8655991615,1cyclictest65850irq/126-lan21:35:141
8655991615,1cyclictest65850irq/126-lan21:15:161
8655991615,1cyclictest65850irq/126-lan00:15:121
8655991515,0cyclictest65850irq/126-lan23:20:211
8655991515,0cyclictest65850irq/126-lan23:15:221
8655991515,0cyclictest65850irq/126-lan22:55:001
8655991515,0cyclictest65850irq/126-lan22:14:261
8655991515,0cyclictest65850irq/126-lan21:55:171
8655991515,0cyclictest65850irq/126-lan19:35:151
8655991514,1cyclictest65850irq/126-lan23:50:001
8655991514,1cyclictest65850irq/126-lan22:30:131
8655991514,1cyclictest65850irq/126-lan22:15:141
8655991514,1cyclictest65850irq/126-lan21:25:201
8655991514,1cyclictest65850irq/126-lan20:55:161
8655991514,1cyclictest65850irq/126-lan20:45:191
8655991514,1cyclictest65850irq/126-lan20:25:141
8655991514,1cyclictest65850irq/126-lan19:55:141
8655991514,1cyclictest65850irq/126-lan19:45:211
8655991513,1cyclictest65850irq/126-lan19:40:121
8655991414,0cyclictest65850irq/126-lan22:40:151
8655991414,0cyclictest65850irq/126-lan21:03:271
8655991414,0cyclictest65850irq/126-lan00:24:051
8655991413,1cyclictest65850irq/126-lan23:35:171
8655991413,1cyclictest65850irq/126-lan22:50:191
8655991413,1cyclictest65850irq/126-lan20:20:011
8655991313,0cyclictest65850irq/126-lan20:40:161
8655991313,0cyclictest65850irq/126-lan20:10:201
8655991313,0cyclictest65850irq/126-lan20:05:201
8655991312,1cyclictest65850irq/126-lan21:06:421
8655991212,0cyclictest65850irq/126-lan22:49:261
8655991212,0cyclictest65850irq/126-lan00:10:121
8655991211,1cyclictest65850irq/126-lan22:00:141
8655991211,1cyclictest65850irq/126-lan21:45:201
8655991111,0cyclictest65850irq/126-lan21:10:151
8655991110,1cyclictest65850irq/126-lan23:40:201
8655991110,1cyclictest65850irq/126-lan23:25:191
8655991110,1cyclictest65850irq/126-lan20:50:171
8655991110,1cyclictest65850irq/126-lan20:50:171
8655991110,1cyclictest65850irq/126-lan20:30:151
8655991110,1cyclictest65850irq/126-lan00:30:181
8655991110,1cyclictest65850irq/126-lan00:25:141
865599109,1cyclictest65850irq/126-lan22:05:221
865599109,1cyclictest65850irq/126-lan19:34:271
8655991010,0cyclictest65850irq/126-lan23:05:131
8655991010,0cyclictest65850irq/126-lan22:25:131
8655991010,0cyclictest65850irq/126-lan20:00:171
8655991010,0cyclictest65850irq/126-lan19:20:181
8655991010,0cyclictest65850irq/126-lan00:00:171
86669998,1cyclictest741-21lldpd23:56:443
86669996,3cyclictest743-21snmpd21:37:023
86609998,1cyclictest743-21snmpd22:50:442
86609998,1cyclictest743-21snmpd21:33:262
86609996,3cyclictest717-21ntpd20:05:382
86559999,0cyclictest65850irq/126-lan19:50:131
86559998,1cyclictest65850irq/126-lan23:00:161
86559992,5cyclictest11655-21irqstats20:35:141
86559992,3cyclictest30031-21tune2fs21:20:121
86669988,0cyclictest743-21snmpd22:14:463
86669988,0cyclictest743-21snmpd21:11:263
86669988,0cyclictest741-21lldpd23:54:083
86669988,0cyclictest741-21lldpd19:50:583
86669988,0cyclictest741-21lldpd19:44:023
86669986,2cyclictest743-21snmpd21:51:093
86669986,2cyclictest743-21snmpd21:01:033
86669986,2cyclictest743-21snmpd20:59:193
86669985,3cyclictest743-21snmpd19:15:483
86669985,3cyclictest743-21snmpd00:01:343
86609988,0cyclictest743-21snmpd23:40:582
86609988,0cyclictest743-21snmpd21:49:572
86609988,0cyclictest743-21snmpd00:28:262
86609988,0cyclictest741-21lldpd23:51:362
86609988,0cyclictest741-21lldpd23:48:242
86609988,0cyclictest741-21lldpd22:22:282
86609988,0cyclictest741-21lldpd21:29:052
86609988,0cyclictest741-21lldpd20:40:092
86609988,0cyclictest741-21lldpd20:37:342
86609987,1cyclictest743-21snmpd23:21:392
86609987,1cyclictest743-21snmpd21:17:532
86609987,1cyclictest743-21snmpd21:10:442
86609986,2cyclictest743-21snmpd19:15:512
86609986,2cyclictest743-21snmpd19:12:552
86609986,2cyclictest717-21ntpd23:58:002
86609986,2cyclictest717-21ntpd22:17:452
86609986,2cyclictest717-21ntpd22:14:452
86609986,2cyclictest717-21ntpd19:58:192
86609986,2cyclictest717-21ntpd19:51:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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