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2025-12-02 - 06:38

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 Tue Dec 02, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3538992019,1cyclictest66850irq/125-lan22:55:141
3538991919,0cyclictest66850irq/125-lan21:16:071
3538991919,0cyclictest66850irq/125-lan00:16:021
3538991918,1cyclictest66850irq/125-lan22:50:141
3538991918,1cyclictest66850irq/125-lan22:27:231
3538991918,1cyclictest66850irq/125-lan00:25:141
3544991818,0cyclictest771-21snmpd23:05:482
3544991818,0cyclictest771-21snmpd21:41:292
3544991818,0cyclictest771-21snmpd20:57:062
3544991818,0cyclictest771-21snmpd20:43:152
3544991818,0cyclictest771-21snmpd20:10:082
3538991818,0cyclictest66850irq/125-lan23:35:151
3538991818,0cyclictest66850irq/125-lan23:17:231
3538991818,0cyclictest66850irq/125-lan23:03:591
3538991818,0cyclictest66850irq/125-lan22:42:321
3538991818,0cyclictest66850irq/125-lan21:41:271
3538991818,0cyclictest66850irq/125-lan21:26:591
3538991818,0cyclictest66850irq/125-lan20:15:241
3538991818,0cyclictest66850irq/125-lan00:00:131
3538991817,1cyclictest66850irq/125-lan23:55:191
3538991817,1cyclictest66850irq/125-lan23:50:161
3538991817,1cyclictest66850irq/125-lan22:20:191
3538991817,1cyclictest66850irq/125-lan22:19:331
3538991817,1cyclictest66850irq/125-lan22:10:201
3538991817,1cyclictest66850irq/125-lan21:20:201
3538991817,1cyclictest66850irq/125-lan00:10:561
3544991717,0cyclictest771-21snmpd20:47:462
3538991717,0cyclictest66850irq/125-lan23:49:461
3538991717,0cyclictest66850irq/125-lan22:36:051
3538991717,0cyclictest66850irq/125-lan22:07:361
3538991717,0cyclictest66850irq/125-lan21:50:131
3538991717,0cyclictest66850irq/125-lan20:10:161
3538991717,0cyclictest66850irq/125-lan19:45:141
3538991717,0cyclictest66850irq/125-lan19:31:131
3538991717,0cyclictest66850irq/125-lan19:10:131
3538991717,0cyclictest66850irq/125-lan00:23:441
3538991716,1cyclictest66850irq/125-lan23:25:141
3538991716,1cyclictest66850irq/125-lan23:22:151
3538991716,1cyclictest66850irq/125-lan23:10:151
3538991716,1cyclictest66850irq/125-lan23:05:171
3538991716,1cyclictest66850irq/125-lan22:00:191
3538991716,1cyclictest66850irq/125-lan21:55:101
3538991716,1cyclictest66850irq/125-lan21:45:171
3538991716,1cyclictest66850irq/125-lan21:30:161
3538991716,1cyclictest66850irq/125-lan21:00:231
3538991716,1cyclictest66850irq/125-lan20:40:221
3538991716,1cyclictest66850irq/125-lan20:35:161
3538991716,1cyclictest66850irq/125-lan20:30:201
3538991716,1cyclictest66850irq/125-lan00:36:321
3538991716,1cyclictest66850irq/125-lan00:30:561
3538991716,1cyclictest66850irq/125-lan00:05:191
3544991616,0cyclictest771-21snmpd23:03:472
3538991616,0cyclictest66850irq/125-lan23:40:301
3538991616,0cyclictest66850irq/125-lan23:31:361
3538991616,0cyclictest66850irq/125-lan21:10:041
3538991616,0cyclictest66850irq/125-lan20:50:131
3538991616,0cyclictest66850irq/125-lan19:25:151
3538991615,1cyclictest66850irq/125-lan22:45:031
3538991615,1cyclictest66850irq/125-lan22:31:581
3538991615,1cyclictest66850irq/125-lan21:35:061
3538991615,1cyclictest66850irq/125-lan19:40:161
3538991515,0cyclictest66850irq/125-lan20:25:161
3538991515,0cyclictest66850irq/125-lan20:00:211
3538991515,0cyclictest66850irq/125-lan19:20:161
3538991514,1cyclictest66850irq/125-lan19:15:171
3538991414,0cyclictest66850irq/125-lan21:05:211
3538991414,0cyclictest66850irq/125-lan20:20:201
3538991414,0cyclictest66850irq/125-lan20:20:191
3538991414,0cyclictest66850irq/125-lan19:55:141
3538991414,0cyclictest66850irq/125-lan19:50:161
3544991311,2cyclictest749-21ntpd22:36:142
3538991313,0cyclictest66850irq/125-lan20:55:241
3538991313,0cyclictest66850irq/125-lan20:05:221
3538991312,1cyclictest66850irq/125-lan19:35:151
3534991211,1cyclictest749-21ntpd23:19:300
3534991110,1cyclictest10032-21turbostat23:09:540
35499998,1cyclictest771-21snmpd21:04:173
35499998,1cyclictest771-21snmpd00:17:553
35499998,1cyclictest769-21lldpd22:58:193
35499998,1cyclictest769-21lldpd22:11:383
35449998,1cyclictest584-21in:imuxsock21:30:202
35449996,2cyclictest749-21ntpd22:21:182
35349998,1cyclictest771-21snmpd21:57:090
35349998,1cyclictest769-21lldpd22:03:400
35499988,0cyclictest771-21snmpd23:53:553
35499988,0cyclictest771-21snmpd21:13:223
35499988,0cyclictest769-21lldpd21:22:293
35499988,0cyclictest769-21lldpd19:42:543
35499988,0cyclictest769-21lldpd19:34:203
35499987,1cyclictest771-21snmpd21:15:443
35499987,1cyclictest524-21avahi-daemon22:37:183
35499987,1cyclictest524-21avahi-daemon00:39:503
35499986,2cyclictest771-21snmpd23:47:063
35499986,2cyclictest771-21snmpd19:28:513
35449988,0cyclictest769-21lldpd20:00:222
35449988,0cyclictest769-21lldpd00:27:062
35449988,0cyclictest769-21lldpd00:19:182
35449987,1cyclictest771-21snmpd21:24:372
35449987,1cyclictest771-21snmpd19:31:452
35449987,1cyclictest771-21snmpd19:22:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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