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2026-05-08 - 05:57

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 May 08, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20432992019,1cyclictest65850irq/126-lan00:07:293
20432991918,1cyclictest65850irq/126-lan00:35:163
20432991818,0cyclictest65850irq/126-lan22:42:383
20432991818,0cyclictest65850irq/126-lan21:53:283
20432991818,0cyclictest65850irq/126-lan19:36:183
20432991818,0cyclictest65850irq/126-lan19:20:153
20432991817,1cyclictest65850irq/126-lan22:10:163
20432991817,1cyclictest65850irq/126-lan21:25:173
20432991817,1cyclictest65850irq/126-lan20:45:193
20432991817,1cyclictest65850irq/126-lan20:30:143
20432991817,1cyclictest65850irq/126-lan00:03:233
20432991717,0cyclictest65850irq/126-lan23:55:223
20432991717,0cyclictest65850irq/126-lan22:50:223
20432991717,0cyclictest65850irq/126-lan22:35:143
20432991717,0cyclictest65850irq/126-lan22:25:003
20432991717,0cyclictest65850irq/126-lan20:26:063
20432991717,0cyclictest65850irq/126-lan00:17:593
20432991716,1cyclictest65850irq/126-lan23:45:183
20432991716,1cyclictest65850irq/126-lan23:30:223
20432991716,1cyclictest65850irq/126-lan23:25:063
20432991716,1cyclictest65850irq/126-lan23:05:183
20432991716,1cyclictest65850irq/126-lan22:55:193
20432991716,1cyclictest65850irq/126-lan21:05:203
20432991716,1cyclictest65850irq/126-lan21:00:143
20432991716,1cyclictest65850irq/126-lan20:35:153
20432991716,1cyclictest65850irq/126-lan19:45:223
20432991616,0cyclictest65850irq/126-lan23:20:163
20432991615,1cyclictest65850irq/126-lan23:50:103
20432991615,1cyclictest65850irq/126-lan23:35:153
20432991615,1cyclictest65850irq/126-lan23:10:163
20432991615,1cyclictest65850irq/126-lan23:10:153
20432991615,1cyclictest65850irq/126-lan22:45:213
20432991615,1cyclictest65850irq/126-lan20:55:203
20432991615,1cyclictest65850irq/126-lan20:12:313
20432991615,1cyclictest65850irq/126-lan19:30:123
20432991615,1cyclictest65850irq/126-lan00:10:203
20432991515,0cyclictest65850irq/126-lan20:40:193
20432991515,0cyclictest65850irq/126-lan20:15:153
20432991514,1cyclictest65850irq/126-lan22:30:233
20432991514,1cyclictest65850irq/126-lan22:00:213
20432991514,1cyclictest65850irq/126-lan21:55:193
20432991514,1cyclictest65850irq/126-lan21:40:163
20432991514,1cyclictest65850irq/126-lan20:50:193
20432991514,1cyclictest65850irq/126-lan20:20:123
20432991514,1cyclictest65850irq/126-lan20:03:283
20432991414,0cyclictest65850irq/126-lan23:40:183
20432991413,1cyclictest65850irq/126-lan21:45:183
20432991413,1cyclictest65850irq/126-lan21:35:053
20432991413,1cyclictest65850irq/126-lan19:55:073
20432991413,1cyclictest65850irq/126-lan19:25:223
20432991413,1cyclictest65850irq/126-lan00:34:323
20432991313,0cyclictest65850irq/126-lan23:15:133
20432991313,0cyclictest65850irq/126-lan23:00:143
20432991313,0cyclictest65850irq/126-lan21:30:173
20432991313,0cyclictest65850irq/126-lan19:10:203
20432991312,1cyclictest65850irq/126-lan22:20:123
20432991312,1cyclictest65850irq/126-lan22:05:163
20432991312,1cyclictest65850irq/126-lan19:50:163
20432991312,1cyclictest65850irq/126-lan00:25:173
20432991212,0cyclictest65850irq/126-lan20:05:093
20432991212,0cyclictest65850irq/126-lan19:40:113
20432991211,1cyclictest65850irq/126-lan21:22:483
20432991111,0cyclictest65850irq/126-lan21:13:053
20432991110,1cyclictest65850irq/126-lan19:15:193
2042499108,1cyclictest743-21snmpd21:39:302
204329998,1cyclictest65850irq/126-lan21:15:123
204229998,1cyclictest743-21snmpd21:09:101
204229998,1cyclictest743-21snmpd20:53:161
204189998,1cyclictest743-21snmpd19:18:340
204329987,1cyclictest65850irq/126-lan00:25:003
204249988,0cyclictest743-21snmpd23:41:302
204249988,0cyclictest743-21snmpd23:21:432
204249988,0cyclictest741-21lldpd23:16:072
204249987,1cyclictest743-21snmpd20:05:592
204249987,1cyclictest522-21avahi-daemon00:06:112
204249987,1cyclictest18616-21fschecks_count23:00:142
204249986,2cyclictest743-21snmpd22:31:142
204249986,2cyclictest743-21snmpd22:28:342
204249986,2cyclictest743-21snmpd20:51:252
204249986,2cyclictest743-21snmpd19:21:122
204229988,0cyclictest743-21snmpd23:06:451
204229988,0cyclictest743-21snmpd20:55:581
204229988,0cyclictest741-21lldpd23:10:371
204229988,0cyclictest741-21lldpd23:10:361
204229988,0cyclictest741-21lldpd22:15:161
204229988,0cyclictest741-21lldpd00:36:501
204229988,0cyclictest741-21lldpd00:17:161
204229987,1cyclictest743-21snmpd22:39:051
204229987,1cyclictest743-21snmpd19:38:341
204229987,1cyclictest743-21snmpd00:28:391
204229987,1cyclictest741-21lldpd23:27:201
204229986,2cyclictest743-21snmpd20:23:121
204229986,2cyclictest743-21snmpd20:11:231
204229986,2cyclictest743-21snmpd19:25:041
204229986,2cyclictest743-21snmpd19:19:221
204229986,2cyclictest21823-21cat20:30:151
204189988,0cyclictest743-21snmpd22:04:210
204189988,0cyclictest741-21lldpd22:46:460
204189988,0cyclictest741-21lldpd22:33:360
204189988,0cyclictest741-21lldpd00:21:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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