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2025-07-01 - 07:58

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 Jul 01, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27362993434,0cyclictest5787-21fwupd00:28:180
27362991918,1cyclictest66850irq/125-lan23:25:160
27362991918,1cyclictest66850irq/125-lan23:01:410
27362991918,1cyclictest66850irq/125-lan21:48:200
27362991918,1cyclictest66850irq/125-lan19:13:330
27371991818,0cyclictest771-21snmpd23:39:042
27371991818,0cyclictest771-21snmpd23:21:062
27371991818,0cyclictest771-21snmpd22:13:072
27371991818,0cyclictest771-21snmpd21:25:422
27371991818,0cyclictest771-21snmpd19:27:382
27371991818,0cyclictest30562-21cat00:20:172
27371991818,0cyclictest15377-21cat22:55:182
27362991818,0cyclictest66850irq/125-lan22:34:450
27362991818,0cyclictest66850irq/125-lan21:30:200
27362991818,0cyclictest66850irq/125-lan21:26:190
27362991818,0cyclictest66850irq/125-lan21:20:200
27362991818,0cyclictest66850irq/125-lan21:15:160
27362991818,0cyclictest66850irq/125-lan20:20:330
27362991817,1cyclictest66850irq/125-lan23:54:420
27362991817,1cyclictest66850irq/125-lan23:40:160
27362991817,1cyclictest66850irq/125-lan23:31:110
27362991817,1cyclictest66850irq/125-lan23:18:110
27362991817,1cyclictest66850irq/125-lan23:05:210
27362991817,1cyclictest66850irq/125-lan22:05:200
27362991817,1cyclictest66850irq/125-lan22:04:200
27362991817,1cyclictest66850irq/125-lan21:37:090
27362991817,1cyclictest66850irq/125-lan20:45:000
27362991817,1cyclictest66850irq/125-lan19:57:250
27362991817,1cyclictest66850irq/125-lan19:40:250
27362991817,1cyclictest66850irq/125-lan19:32:320
27362991817,1cyclictest66850irq/125-lan00:31:250
27362991817,1cyclictest66850irq/125-lan00:23:580
27362991817,1cyclictest66850irq/125-lan00:17:490
27362991817,1cyclictest66850irq/125-lan00:06:580
27371991717,0cyclictest771-21snmpd21:13:292
27371991717,0cyclictest771-21snmpd20:44:142
27371991717,0cyclictest771-21snmpd19:34:352
27362991717,0cyclictest66850irq/125-lan23:56:550
27362991717,0cyclictest66850irq/125-lan23:20:280
27362991717,0cyclictest66850irq/125-lan23:10:240
27362991717,0cyclictest66850irq/125-lan22:25:150
27362991717,0cyclictest66850irq/125-lan21:41:120
27362991716,1cyclictest66850irq/125-lan23:45:370
27362991716,1cyclictest66850irq/125-lan23:35:130
27362991716,1cyclictest66850irq/125-lan22:50:130
27362991716,1cyclictest66850irq/125-lan22:45:580
27362991716,1cyclictest66850irq/125-lan22:44:060
27362991716,1cyclictest66850irq/125-lan22:39:310
27362991716,1cyclictest66850irq/125-lan22:20:030
27362991716,1cyclictest66850irq/125-lan21:52:560
27362991716,1cyclictest66850irq/125-lan21:10:180
27362991716,1cyclictest66850irq/125-lan00:10:130
27362991716,1cyclictest66850irq/125-lan00:01:300
27371991616,0cyclictest771-21snmpd22:26:122
27362991616,0cyclictest66850irq/125-lan22:56:410
27362991616,0cyclictest66850irq/125-lan22:10:230
27362991616,0cyclictest66850irq/125-lan20:56:570
27362991616,0cyclictest66850irq/125-lan20:50:150
27362991616,0cyclictest66850irq/125-lan20:28:290
27362991616,0cyclictest66850irq/125-lan19:45:020
27362991615,1cyclictest66850irq/125-lan22:18:150
27362991615,1cyclictest66850irq/125-lan21:57:070
27371991515,0cyclictest771-21snmpd23:31:402
27371991515,0cyclictest771-21snmpd19:21:212
27362991515,0cyclictest66850irq/125-lan00:39:030
27362991514,1cyclictest66850irq/125-lan20:30:200
27362991514,1cyclictest66850irq/125-lan19:50:130
27362991514,1cyclictest66850irq/125-lan19:39:330
27371991413,1cyclictest749-21ntpd21:24:522
27362991414,0cyclictest66850irq/125-lan20:00:170
27362991414,0cyclictest66850irq/125-lan19:26:500
27362991413,1cyclictest66850irq/125-lan20:45:170
27362991413,1cyclictest66850irq/125-lan20:05:170
27366991311,2cyclictest771-21snmpd23:17:061
27362991313,0cyclictest66850irq/125-lan21:00:140
27362991313,0cyclictest66850irq/125-lan19:22:020
27362991312,1cyclictest66850irq/125-lan20:10:150
2737399128,4cyclictest524-21avahi-daemon23:01:473
2737399127,1cyclictest13311-21sh22:53:023
2736699120,11cyclictest22044-21taskset22:28:161
2737399118,1cyclictest771-21snmpd21:55:133
27362991111,0cyclictest66850irq/125-lan20:15:240
2737399108,0cyclictest769-21lldpd21:29:213
2736699109,1cyclictest517-21systemd-resolve00:35:211
27366991010,0cyclictest771-21snmpd23:54:551
27366991010,0cyclictest771-21snmpd21:29:361
27366991010,0cyclictest771-21snmpd20:53:211
27362991010,0cyclictest66850irq/125-lan21:05:170
273739998,1cyclictest771-21snmpd22:08:203
273739998,1cyclictest771-21snmpd20:45:113
273739998,1cyclictest517-21systemd-resolve22:46:473
273739997,0cyclictest771-21snmpd21:03:383
273719998,1cyclictest771-21snmpd21:15:392
273719996,2cyclictest12044-21grep19:50:152
273669999,0cyclictest6609-21cat23:20:181
273669998,1cyclictest771-21snmpd20:19:491
273669998,0cyclictest771-21snmpd21:21:071
273629999,0cyclictest66850irq/125-lan20:35:200
273629999,0cyclictest66850irq/125-lan20:35:190
273629998,1cyclictest66850irq/125-lan19:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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