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2026-08-05 - 20:18

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 Aug 05, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30286992019,1cyclictest65850irq/126-lan10:44:380
30286991918,1cyclictest65850irq/126-lan11:28:380
30286991918,1cyclictest65850irq/126-lan10:50:190
30286991818,0cyclictest65850irq/126-lan10:55:390
30286991818,0cyclictest65850irq/126-lan10:27:370
30286991817,1cyclictest65850irq/126-lan12:17:280
30286991817,1cyclictest65850irq/126-lan12:01:240
30286991817,1cyclictest65850irq/126-lan11:35:180
30286991716,1cyclictest65850irq/126-lan11:20:150
30286991716,1cyclictest65850irq/126-lan11:05:180
30286991716,1cyclictest65850irq/126-lan10:20:170
30286991716,1cyclictest65850irq/126-lan10:00:140
30286991616,0cyclictest65850irq/126-lan11:50:170
30286991615,1cyclictest65850irq/126-lan11:40:200
30286991615,1cyclictest65850irq/126-lan10:30:140
30286991615,1cyclictest65850irq/126-lan09:40:500
30286991615,1cyclictest65850irq/126-lan09:13:030
30286991615,1cyclictest65850irq/126-lan07:30:000
30286991615,1cyclictest65850irq/126-lan07:14:550
30286991515,0cyclictest65850irq/126-lan08:17:530
30286991514,1cyclictest65850irq/126-lan12:30:170
30286991514,1cyclictest65850irq/126-lan12:25:120
30286991514,1cyclictest65850irq/126-lan11:15:250
30286991514,1cyclictest65850irq/126-lan11:00:110
30286991514,1cyclictest65850irq/126-lan09:55:170
30286991514,1cyclictest65850irq/126-lan09:50:140
30286991414,0cyclictest65850irq/126-lan12:20:140
30286991414,0cyclictest65850irq/126-lan09:33:060
30286991413,1cyclictest65850irq/126-lan11:55:110
30286991413,1cyclictest65850irq/126-lan11:10:110
30286991413,1cyclictest65850irq/126-lan10:39:590
30286991413,1cyclictest65850irq/126-lan10:15:180
30286991413,1cyclictest65850irq/126-lan09:20:590
30286991413,1cyclictest65850irq/126-lan08:30:450
30286991313,0cyclictest65850irq/126-lan12:35:170
30286991313,0cyclictest65850irq/126-lan12:10:140
30286991313,0cyclictest65850irq/126-lan11:30:130
30286991313,0cyclictest65850irq/126-lan08:07:570
30286991312,1cyclictest65850irq/126-lan11:45:160
30286991312,1cyclictest65850irq/126-lan08:54:390
30286991212,0cyclictest65850irq/126-lan07:47:520
30286991211,1cyclictest65850irq/126-lan12:05:130
30286991211,1cyclictest65850irq/126-lan10:10:120
30286991111,0cyclictest65850irq/126-lan08:25:010
30286991111,0cyclictest65850irq/126-lan07:22:510
3028699109,1cyclictest65850irq/126-lan10:45:130
3028699109,1cyclictest1-21systemd07:50:490
303039998,1cyclictest743-21snmpd11:40:343
303039998,1cyclictest743-21snmpd10:41:553
303039998,1cyclictest743-21snmpd09:59:123
303039998,1cyclictest743-21snmpd08:46:553
303039998,1cyclictest29332-21cut11:30:133
302999998,1cyclictest743-21snmpd10:04:062
302999998,1cyclictest743-21snmpd09:44:232
302999998,1cyclictest741-21lldpd09:31:242
302949998,1cyclictest743-21snmpd09:41:321
302949998,1cyclictest743-21snmpd07:52:101
302949998,1cyclictest21879-21ntp_offset09:55:181
303039988,0cyclictest743-21snmpd12:28:393
303039988,0cyclictest743-21snmpd09:45:083
303039988,0cyclictest743-21snmpd08:15:423
303039988,0cyclictest743-21snmpd07:44:073
303039988,0cyclictest741-21lldpd08:02:353
303039988,0cyclictest741-21lldpd07:23:403
303039987,1cyclictest743-21snmpd10:16:093
303039987,1cyclictest743-21snmpd08:14:113
303039986,2cyclictest743-21snmpd10:02:483
303039986,2cyclictest743-21snmpd08:54:093
303039986,2cyclictest743-21snmpd08:36:093
302999988,0cyclictest743-21snmpd11:55:262
302999988,0cyclictest743-21snmpd10:34:552
302999988,0cyclictest741-21lldpd08:49:272
302999988,0cyclictest741-21lldpd07:18:112
302999987,1cyclictest743-21snmpd10:35:352
302999987,1cyclictest741-21lldpd10:53:492
302999986,2cyclictest743-21snmpd12:36:172
302999986,2cyclictest743-21snmpd12:23:552
302999986,2cyclictest743-21snmpd11:31:062
302999986,2cyclictest743-21snmpd09:15:382
302949988,0cyclictest743-21snmpd11:51:541
302949988,0cyclictest741-21lldpd11:30:521
302949988,0cyclictest741-21lldpd10:58:571
302949988,0cyclictest741-21lldpd09:30:011
302949987,1cyclictest743-21snmpd10:11:071
302949987,1cyclictest743-21snmpd08:06:501
302949986,2cyclictest743-21snmpd11:45:251
302949986,2cyclictest743-21snmpd09:21:111
302949986,2cyclictest743-21snmpd07:41:281
302869988,0cyclictest741-21lldpd07:39:470
302869988,0cyclictest741-21lldpd07:39:470
302869987,1cyclictest741-21lldpd08:55:540
302869987,1cyclictest741-21lldpd07:30:170
302869987,1cyclictest65850irq/126-lan09:25:040
302869986,2cyclictest743-21snmpd10:06:000
303039977,0cyclictest743-21snmpd11:57:533
303039977,0cyclictest743-21snmpd09:09:343
303039977,0cyclictest741-21lldpd11:05:273
303039977,0cyclictest741-21lldpd10:53:433
303039977,0cyclictest741-21lldpd09:28:233
303039977,0cyclictest522-21avahi-daemon09:35:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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