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2025-04-05 - 19:33

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 Sat Apr 05, 2025 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1856991919,0cyclictest65850irq/126-lan11:10:133
1856991918,1cyclictest65850irq/126-lan12:27:543
1856991918,1cyclictest65850irq/126-lan12:01:583
1856991918,1cyclictest65850irq/126-lan11:48:033
1856991918,1cyclictest65850irq/126-lan11:41:503
1856991918,1cyclictest65850irq/126-lan10:43:513
1856991918,1cyclictest65850irq/126-lan10:35:213
1856991918,1cyclictest65850irq/126-lan10:13:213
1856991918,1cyclictest65850irq/126-lan09:40:183
1856991918,1cyclictest65850irq/126-lan09:27:003
1856991818,0cyclictest65850irq/126-lan12:21:503
1856991818,0cyclictest65850irq/126-lan12:10:243
1856991818,0cyclictest65850irq/126-lan11:28:573
1856991818,0cyclictest65850irq/126-lan10:17:193
1856991818,0cyclictest65850irq/126-lan09:56:313
1856991818,0cyclictest65850irq/126-lan09:31:543
1856991817,1cyclictest65850irq/126-lan11:30:093
1856991817,1cyclictest65850irq/126-lan11:03:013
1856991817,1cyclictest65850irq/126-lan10:08:203
1856991817,1cyclictest65850irq/126-lan10:03:013
1856991817,1cyclictest65850irq/126-lan09:22:173
1856991717,0cyclictest65850irq/126-lan12:19:163
1856991717,0cyclictest65850irq/126-lan10:26:143
1856991717,0cyclictest65850irq/126-lan09:50:013
1856991717,0cyclictest65850irq/126-lan08:53:433
1856991717,0cyclictest65850irq/126-lan07:40:213
1856991716,1cyclictest65850irq/126-lan12:35:153
1856991716,1cyclictest65850irq/126-lan12:08:313
1856991716,1cyclictest65850irq/126-lan11:55:173
1856991716,1cyclictest65850irq/126-lan11:37:563
1856991716,1cyclictest65850irq/126-lan11:20:133
1856991716,1cyclictest65850irq/126-lan11:16:313
1856991716,1cyclictest65850irq/126-lan10:30:503
1856991716,1cyclictest65850irq/126-lan10:20:143
1856991716,1cyclictest65850irq/126-lan09:35:183
1856991716,1cyclictest65850irq/126-lan09:16:233
1856991716,1cyclictest65850irq/126-lan09:10:183
1856991716,1cyclictest65850irq/126-lan09:05:183
1856991716,1cyclictest65850irq/126-lan07:20:193
1856991716,1cyclictest65850irq/126-lan07:15:203
1856991616,0cyclictest65850irq/126-lan12:32:473
1856991616,0cyclictest65850irq/126-lan08:00:193
1856991616,0cyclictest65850irq/126-lan07:25:413
1856991615,1cyclictest65850irq/126-lan11:53:283
1856991615,1cyclictest65850irq/126-lan11:06:433
1856991615,1cyclictest65850irq/126-lan10:55:183
1856991615,1cyclictest65850irq/126-lan10:54:413
1856991615,1cyclictest65850irq/126-lan10:46:313
1856991615,1cyclictest65850irq/126-lan09:49:063
1856991615,1cyclictest65850irq/126-lan08:16:433
1842991615,1cyclictest27466-21kworker/0:0+events09:14:550
1856991515,0cyclictest65850irq/126-lan08:55:133
1856991515,0cyclictest65850irq/126-lan08:25:133
1856991514,1cyclictest65850irq/126-lan08:40:163
1856991514,1cyclictest65850irq/126-lan07:57:413
1856991514,1cyclictest65850irq/126-lan07:35:253
1856991514,1cyclictest65850irq/126-lan07:30:223
1856991414,0cyclictest65850irq/126-lan08:20:203
1856991414,0cyclictest65850irq/126-lan07:45:513
1856991413,1cyclictest65850irq/126-lan08:45:163
1856991313,0cyclictest65850irq/126-lan08:14:513
1856991313,0cyclictest65850irq/126-lan07:10:133
184299128,1cyclictest765-21snmpd11:20:130
184299128,1cyclictest763-21lldpd07:41:400
1856991111,0cyclictest65850irq/126-lan08:35:143
1856991111,0cyclictest65850irq/126-lan08:30:173
1856991111,0cyclictest65850irq/126-lan08:05:113
1856991111,0cyclictest65850irq/126-lan07:53:433
184299118,0cyclictest765-21snmpd09:33:090
184299118,0cyclictest763-21lldpd07:31:270
1856991010,0cyclictest65850irq/126-lan09:00:153
184299107,0cyclictest765-21snmpd12:00:090
184299107,0cyclictest765-21snmpd08:56:480
184299107,0cyclictest765-21snmpd07:39:520
18529998,1cyclictest765-21snmpd08:31:092
18529998,1cyclictest765-21snmpd08:02:112
18529998,1cyclictest765-21snmpd07:50:562
18529998,1cyclictest763-21lldpd11:59:352
18529998,1cyclictest506-21avahi-daemon07:17:432
18479998,1cyclictest765-21snmpd08:33:331
18429998,1cyclictest765-21snmpd10:49:010
18429998,1cyclictest765-21snmpd10:31:030
18429998,1cyclictest765-21snmpd08:36:330
18429998,1cyclictest506-21avahi-daemon09:38:590
18529988,0cyclictest765-21snmpd11:21:292
18529988,0cyclictest765-21snmpd11:04:342
18529988,0cyclictest765-21snmpd10:24:062
18529988,0cyclictest763-21lldpd10:12:192
18529988,0cyclictest506-21avahi-daemon11:46:572
18529987,1cyclictest765-21snmpd12:35:432
18529987,1cyclictest765-21snmpd08:56:292
18529987,1cyclictest765-21snmpd08:51:032
18529987,1cyclictest765-21snmpd08:45:422
18529987,1cyclictest765-21snmpd07:10:082
18529987,1cyclictest506-21avahi-daemon12:04:362
18529987,1cyclictest506-21avahi-daemon07:29:512
18529987,1cyclictest499-21systemd-resolve09:20:472
18529986,2cyclictest8638-21cat09:05:152
18529986,2cyclictest765-21snmpd10:47:362
18529986,2cyclictest765-21snmpd09:53:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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