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2025-11-26 - 10:38

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 Nov 26, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3048991918,1cyclictest66850irq/125-lan23:58:253
3048991918,1cyclictest66850irq/125-lan23:50:163
3048991918,1cyclictest66850irq/125-lan23:40:183
3048991918,1cyclictest66850irq/125-lan22:15:163
3048991918,1cyclictest66850irq/125-lan00:08:563
3048991818,0cyclictest66850irq/125-lan23:14:293
3048991818,0cyclictest66850irq/125-lan21:13:003
3048991817,1cyclictest66850irq/125-lan23:30:133
3048991817,1cyclictest66850irq/125-lan23:24:023
3048991817,1cyclictest66850irq/125-lan22:46:493
3048991817,1cyclictest66850irq/125-lan22:42:253
3048991817,1cyclictest66850irq/125-lan22:36:313
3048991817,1cyclictest66850irq/125-lan22:33:383
3048991817,1cyclictest66850irq/125-lan22:25:003
3048991817,1cyclictest66850irq/125-lan22:10:173
3048991817,1cyclictest66850irq/125-lan22:00:093
3048991817,1cyclictest66850irq/125-lan21:46:363
3048991817,1cyclictest66850irq/125-lan21:35:333
3048991817,1cyclictest66850irq/125-lan21:32:573
3048991817,1cyclictest66850irq/125-lan21:25:143
3048991817,1cyclictest66850irq/125-lan21:19:543
3048991817,1cyclictest66850irq/125-lan20:25:153
3048991817,1cyclictest66850irq/125-lan00:36:383
3048991817,1cyclictest66850irq/125-lan00:32:543
3048991817,1cyclictest66850irq/125-lan00:24:393
3048991817,1cyclictest66850irq/125-lan00:15:203
3048991817,1cyclictest66850irq/125-lan00:10:213
3048991717,0cyclictest66850irq/125-lan23:25:243
3048991717,0cyclictest66850irq/125-lan23:15:183
3048991717,0cyclictest66850irq/125-lan20:08:533
3048991716,1cyclictest66850irq/125-lan23:05:193
3048991716,1cyclictest66850irq/125-lan22:55:413
3048991716,1cyclictest66850irq/125-lan22:53:573
3048991716,1cyclictest66850irq/125-lan21:55:163
3048991716,1cyclictest66850irq/125-lan21:51:003
3048991716,1cyclictest66850irq/125-lan21:40:163
3048991716,1cyclictest66850irq/125-lan20:10:193
3048991716,1cyclictest66850irq/125-lan19:10:153
3048991616,0cyclictest66850irq/125-lan21:20:293
3048991616,0cyclictest66850irq/125-lan20:03:413
3048991615,1cyclictest66850irq/125-lan23:45:533
3048991615,1cyclictest66850irq/125-lan23:36:003
3048991615,1cyclictest66850irq/125-lan23:00:053
3048991615,1cyclictest66850irq/125-lan22:21:063
3048991615,1cyclictest66850irq/125-lan22:07:383
3048991615,1cyclictest66850irq/125-lan00:25:263
3048991615,1cyclictest66850irq/125-lan00:00:173
3048991515,0cyclictest66850irq/125-lan20:55:173
3048991515,0cyclictest66850irq/125-lan20:52:093
3048991515,0cyclictest66850irq/125-lan19:45:153
3048991514,1cyclictest66850irq/125-lan21:00:143
3048991514,1cyclictest66850irq/125-lan19:50:133
3048991514,1cyclictest66850irq/125-lan19:40:143
3048991414,0cyclictest66850irq/125-lan21:05:113
3048991413,1cyclictest66850irq/125-lan19:30:433
3048991413,1cyclictest66850irq/125-lan19:15:193
3048991313,0cyclictest66850irq/125-lan20:30:123
3048991312,1cyclictest66850irq/125-lan20:22:403
3048991312,1cyclictest66850irq/125-lan19:35:233
3048991211,1cyclictest66850irq/125-lan20:40:133
3048991211,1cyclictest66850irq/125-lan19:55:173
3048991111,0cyclictest66850irq/125-lan20:15:163
3048991111,0cyclictest66850irq/125-lan19:22:293
303699116,5cyclictest771-21snmpd19:25:520
303699116,4cyclictest771-21snmpd20:40:000
303699110,3cyclictest24449-21grep20:00:220
303699107,3cyclictest769-21lldpd20:40:260
303699100,3cyclictest23812-21ssh23:26:020
30449998,1cyclictest769-21lldpd22:42:042
30449998,1cyclictest769-21lldpd21:54:522
30399998,1cyclictest769-21lldpd21:00:541
30369997,2cyclictest771-21snmpd22:13:210
30369996,3cyclictest771-21snmpd21:26:040
30369995,2cyclictest749-21ntpd21:08:160
30369994,5cyclictest21809-21cat19:55:140
30369991,3cyclictest550-21NetworkManager22:36:180
30369990,5cyclictest0-21swapper/021:34:130
30369990,2cyclictest624-21ssh21:22:030
30369990,2cyclictest3521-21ssh00:11:370
30369990,2cyclictest31255-21ssh00:06:310
30369990,2cyclictest25943-21wc20:05:140
30369990,2cyclictest22078-21ssh00:33:210
30369990,0cyclictest0-21swapper/021:02:270
30489988,0cyclictest66850irq/125-lan20:45:023
30489988,0cyclictest66850irq/125-lan20:35:183
30489986,2cyclictest771-21snmpd19:29:503
30449988,0cyclictest771-21snmpd23:32:122
30449988,0cyclictest771-21snmpd22:57:382
30449988,0cyclictest771-21snmpd21:20:282
30449988,0cyclictest771-21snmpd00:31:022
30449988,0cyclictest769-21lldpd22:20:262
30449988,0cyclictest769-21lldpd20:54:182
30449988,0cyclictest769-21lldpd19:30:112
30449987,1cyclictest771-21snmpd23:22:212
30449987,1cyclictest771-21snmpd21:40:262
30449987,1cyclictest6985-21cut19:20:002
30449987,1cyclictest524-21avahi-daemon22:53:002
30449987,1cyclictest255-20systemd-journal00:23:362
30449986,2cyclictest771-21snmpd23:25:442
30449986,2cyclictest771-21snmpd22:29:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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