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2025-04-22 - 22:23

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 Apr 22, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6090991918,1cyclictest65850irq/126-lan11:55:172
6090991918,1cyclictest65850irq/126-lan11:50:122
6090991918,1cyclictest65850irq/126-lan11:00:122
6090991918,1cyclictest65850irq/126-lan10:15:162
6090991918,1cyclictest65850irq/126-lan09:54:222
6090991918,1cyclictest65850irq/126-lan09:35:122
6090991918,1cyclictest65850irq/126-lan09:30:082
6090991818,0cyclictest65850irq/126-lan11:35:162
6090991818,0cyclictest65850irq/126-lan10:55:332
6090991818,0cyclictest65850irq/126-lan10:08:112
6090991817,1cyclictest65850irq/126-lan12:38:042
6090991817,1cyclictest65850irq/126-lan12:20:122
6090991817,1cyclictest65850irq/126-lan12:07:022
6090991817,1cyclictest65850irq/126-lan11:49:062
6090991817,1cyclictest65850irq/126-lan11:41:362
6090991817,1cyclictest65850irq/126-lan11:25:012
6090991817,1cyclictest65850irq/126-lan11:17:502
6090991817,1cyclictest65850irq/126-lan11:13:462
6090991817,1cyclictest65850irq/126-lan10:39:432
6090991817,1cyclictest65850irq/126-lan10:22:272
6090991817,1cyclictest65850irq/126-lan10:13:072
6090991817,1cyclictest65850irq/126-lan09:16:462
6090991817,1cyclictest65850irq/126-lan09:11:222
6090991817,1cyclictest65850irq/126-lan07:25:202
6090991717,0cyclictest65850irq/126-lan12:03:152
6090991716,1cyclictest65850irq/126-lan12:31:592
6090991716,1cyclictest65850irq/126-lan12:28:182
6090991716,1cyclictest65850irq/126-lan12:16:372
6090991716,1cyclictest65850irq/126-lan12:10:222
6090991716,1cyclictest65850irq/126-lan11:06:402
6090991716,1cyclictest65850irq/126-lan10:40:172
6090991716,1cyclictest65850irq/126-lan10:30:092
6090991716,1cyclictest65850irq/126-lan10:00:162
6090991716,1cyclictest65850irq/126-lan09:40:272
6090991716,1cyclictest65850irq/126-lan07:40:172
6090991616,0cyclictest65850irq/126-lan11:30:082
6090991616,0cyclictest65850irq/126-lan11:20:362
6090991616,0cyclictest65850irq/126-lan10:47:382
6090991616,0cyclictest65850irq/126-lan09:23:022
6090991616,0cyclictest65850irq/126-lan09:05:182
6090991615,1cyclictest65850irq/126-lan10:52:452
6090991615,1cyclictest65850irq/126-lan10:25:162
6090991615,1cyclictest65850irq/126-lan09:55:372
6090991615,1cyclictest65850irq/126-lan07:45:142
6077991616,0cyclictest765-21snmpd08:55:320
6077991616,0cyclictest765-21snmpd08:21:140
6077991616,0cyclictest765-21snmpd08:16:070
6077991616,0cyclictest765-21snmpd08:09:440
6077991616,0cyclictest739-21ntpd07:35:140
6077991615,1cyclictest765-21snmpd10:27:360
6090991515,0cyclictest65850irq/126-lan09:45:002
6090991515,0cyclictest65850irq/126-lan09:25:192
6090991515,0cyclictest65850irq/126-lan09:00:152
6090991515,0cyclictest65850irq/126-lan08:45:142
6090991515,0cyclictest65850irq/126-lan08:25:162
6090991514,1cyclictest65850irq/126-lan08:50:192
6090991514,1cyclictest65850irq/126-lan08:41:112
6090991514,1cyclictest65850irq/126-lan07:13:192
6085991515,0cyclictest7141-21fwupd08:47:251
6077991515,0cyclictest765-21snmpd12:35:400
6077991515,0cyclictest765-21snmpd11:53:080
6077991515,0cyclictest765-21snmpd11:45:210
6077991515,0cyclictest765-21snmpd10:51:420
6077991515,0cyclictest765-21snmpd10:40:520
6077991515,0cyclictest765-21snmpd10:35:300
6077991515,0cyclictest765-21snmpd10:32:470
6077991515,0cyclictest765-21snmpd10:13:090
6077991515,0cyclictest765-21snmpd09:13:540
6077991515,0cyclictest765-21snmpd07:25:510
6077991515,0cyclictest765-21snmpd07:18:490
6077991515,0cyclictest765-21snmpd07:14:110
6077991515,0cyclictest739-21ntpd11:30:080
6077991515,0cyclictest739-21ntpd11:00:160
6077991515,0cyclictest739-21ntpd09:34:020
6077991515,0cyclictest16883-21cat07:40:150
6095991414,0cyclictest765-21snmpd08:27:503
6090991414,0cyclictest65850irq/126-lan07:55:212
6090991414,0cyclictest65850irq/126-lan07:50:212
6090991414,0cyclictest65850irq/126-lan07:18:302
6090991413,1cyclictest65850irq/126-lan08:35:212
6090991413,1cyclictest65850irq/126-lan08:30:192
6077991414,0cyclictest765-21snmpd12:34:140
6077991414,0cyclictest765-21snmpd09:02:260
6077991414,0cyclictest765-21snmpd08:53:270
6077991414,0cyclictest765-21snmpd08:01:490
6077991414,0cyclictest739-21ntpd07:30:160
6090991313,0cyclictest65850irq/126-lan08:20:152
6090991312,1cyclictest65850irq/126-lan07:37:292
6077991313,0cyclictest765-21snmpd09:16:540
6090991211,1cyclictest65850irq/126-lan08:15:172
6095991111,0cyclictest765-21snmpd11:56:153
6095991111,0cyclictest765-21snmpd11:29:363
6095991111,0cyclictest765-21snmpd10:56:403
6095991111,0cyclictest765-21snmpd10:01:013
6095991111,0cyclictest765-21snmpd09:41:463
6095991111,0cyclictest765-21snmpd08:40:263
6095991111,0cyclictest6369-21cat08:45:163
6090991110,1cyclictest65850irq/126-lan08:55:112
6090991110,1cyclictest65850irq/126-lan08:10:212
6090991110,1cyclictest65850irq/126-lan08:05:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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