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2026-06-03 - 13:38

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 Wed Jun 03, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3816992019,1cyclictest65850irq/126-lan19:10:113
3816991817,1cyclictest65850irq/126-lan23:40:173
3816991817,1cyclictest65850irq/126-lan22:30:123
3816991717,0cyclictest65850irq/126-lan23:31:303
3816991717,0cyclictest65850irq/126-lan20:00:213
3816991717,0cyclictest65850irq/126-lan00:05:213
3816991716,1cyclictest65850irq/126-lan22:05:133
3816991716,1cyclictest65850irq/126-lan21:15:273
3816991716,1cyclictest65850irq/126-lan21:05:183
3816991716,1cyclictest65850irq/126-lan20:50:173
3816991716,1cyclictest65850irq/126-lan20:50:173
3816991716,1cyclictest65850irq/126-lan20:20:153
3816991716,1cyclictest65850irq/126-lan19:50:113
3816991716,1cyclictest65850irq/126-lan00:25:123
3816991616,0cyclictest65850irq/126-lan22:53:303
3816991616,0cyclictest65850irq/126-lan22:23:263
3816991616,0cyclictest65850irq/126-lan21:00:133
3816991616,0cyclictest65850irq/126-lan20:30:193
3816991615,1cyclictest65850irq/126-lan23:45:123
3816991615,1cyclictest65850irq/126-lan21:50:183
3816991615,1cyclictest65850irq/126-lan21:45:213
3816991615,1cyclictest65850irq/126-lan21:30:363
3816991615,1cyclictest65850irq/126-lan21:10:183
3816991615,1cyclictest65850irq/126-lan20:47:113
3816991615,1cyclictest65850irq/126-lan19:30:083
3816991615,1cyclictest65850irq/126-lan19:26:253
3816991615,1cyclictest65850irq/126-lan00:20:173
3816991515,0cyclictest65850irq/126-lan23:50:123
3816991515,0cyclictest65850irq/126-lan23:35:123
3816991515,0cyclictest65850irq/126-lan23:15:163
3816991515,0cyclictest65850irq/126-lan22:55:123
3816991515,0cyclictest65850irq/126-lan22:25:193
3816991515,0cyclictest65850irq/126-lan21:25:133
3816991515,0cyclictest65850irq/126-lan20:55:113
3816991515,0cyclictest65850irq/126-lan19:45:163
3816991515,0cyclictest65850irq/126-lan00:32:493
3816991515,0cyclictest65850irq/126-lan00:15:233
3816991514,1cyclictest65850irq/126-lan20:35:183
3816991514,1cyclictest65850irq/126-lan20:10:153
3816991414,0cyclictest65850irq/126-lan21:37:213
3816991414,0cyclictest65850irq/126-lan20:40:213
3816991414,0cyclictest65850irq/126-lan19:22:573
3816991414,0cyclictest65850irq/126-lan00:10:143
3816991413,1cyclictest65850irq/126-lan23:00:183
3816991413,1cyclictest65850irq/126-lan22:40:193
3816991413,1cyclictest65850irq/126-lan21:20:153
3816991413,1cyclictest65850irq/126-lan00:35:143
3816991313,0cyclictest65850irq/126-lan22:17:283
3816991313,0cyclictest65850irq/126-lan20:25:133
3816991313,0cyclictest65850irq/126-lan20:17:053
3816991313,0cyclictest65850irq/126-lan19:55:203
3816991312,1cyclictest65850irq/126-lan23:05:143
3816991312,1cyclictest65850irq/126-lan22:10:173
3816991312,1cyclictest65850irq/126-lan21:40:133
3816991212,0cyclictest65850irq/126-lan23:58:293
3816991212,0cyclictest65850irq/126-lan23:27:403
3816991212,0cyclictest65850irq/126-lan20:05:163
3816991212,0cyclictest65850irq/126-lan19:40:143
3816991212,0cyclictest65850irq/126-lan00:00:033
3816991211,1cyclictest65850irq/126-lan23:10:153
3816991211,1cyclictest65850irq/126-lan19:15:243
3816991111,0cyclictest65850irq/126-lan22:00:123
3816991110,1cyclictest65850irq/126-lan22:35:163
3816991110,1cyclictest65850irq/126-lan21:55:173
3816991010,0cyclictest65850irq/126-lan23:22:403
38099998,1cyclictest741-21lldpd20:58:522
38049998,1cyclictest743-21snmpd21:26:161
38049998,1cyclictest743-21snmpd20:00:531
38049998,1cyclictest743-21snmpd00:07:071
38049998,1cyclictest741-21lldpd22:54:541
38049998,1cyclictest741-21lldpd22:44:291
38169988,0cyclictest741-21lldpd22:46:223
38099988,0cyclictest741-21lldpd22:37:162
38099988,0cyclictest741-21lldpd20:29:312
38099988,0cyclictest741-21lldpd00:26:372
38099987,1cyclictest743-21snmpd20:49:282
38099987,1cyclictest743-21snmpd20:14:022
38099987,1cyclictest743-21snmpd19:11:032
38099987,1cyclictest741-21lldpd23:00:182
38099987,1cyclictest741-21lldpd20:05:022
38099987,1cyclictest741-21lldpd19:35:342
38099986,2cyclictest743-21snmpd22:27:212
38099985,3cyclictest743-21snmpd23:46:222
38049988,0cyclictest743-21snmpd21:22:281
38049988,0cyclictest743-21snmpd21:11:071
38049988,0cyclictest741-21lldpd22:45:361
38049988,0cyclictest741-21lldpd22:28:041
38049988,0cyclictest741-21lldpd20:57:061
38049988,0cyclictest741-21lldpd20:41:431
38049988,0cyclictest741-21lldpd19:17:161
38049987,1cyclictest743-21snmpd19:26:191
38049987,1cyclictest741-21lldpd22:24:031
38049987,1cyclictest741-21lldpd20:05:001
38049986,2cyclictest717-21ntpd22:31:281
38049986,2cyclictest717-21ntpd21:51:281
38049986,2cyclictest717-21ntpd20:30:361
38049986,2cyclictest717-21ntpd00:21:391
37969988,0cyclictest743-21snmpd23:54:130
37969988,0cyclictest743-21snmpd23:37:090
37969988,0cyclictest743-21snmpd23:34:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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