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2026-06-18 - 21:14

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 Thu Jun 18, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8904991918,1cyclictest65850irq/126-lan07:10:132
8904991817,1cyclictest65850irq/126-lan10:45:202
8904991817,1cyclictest65850irq/126-lan08:09:092
8904991817,1cyclictest65850irq/126-lan07:50:202
8904991717,0cyclictest65850irq/126-lan11:56:572
8904991717,0cyclictest65850irq/126-lan09:40:052
8904991717,0cyclictest65850irq/126-lan09:00:062
8904991716,1cyclictest65850irq/126-lan12:25:222
8904991716,1cyclictest65850irq/126-lan11:45:172
8904991716,1cyclictest65850irq/126-lan10:50:122
8904991716,1cyclictest65850irq/126-lan10:30:152
8904991716,1cyclictest65850irq/126-lan10:25:132
8904991716,1cyclictest65850irq/126-lan10:23:592
8904991716,1cyclictest65850irq/126-lan08:20:122
8904991716,1cyclictest65850irq/126-lan07:40:212
8904991716,1cyclictest65850irq/126-lan07:30:142
8904991616,0cyclictest65850irq/126-lan11:25:152
8904991616,0cyclictest65850irq/126-lan10:10:162
8904991616,0cyclictest65850irq/126-lan10:03:072
8904991616,0cyclictest65850irq/126-lan09:56:452
8904991615,1cyclictest65850irq/126-lan12:10:222
8904991615,1cyclictest65850irq/126-lan11:10:292
8904991615,1cyclictest65850irq/126-lan10:15:162
8904991615,1cyclictest65850irq/126-lan09:10:192
8904991615,1cyclictest65850irq/126-lan08:55:212
8904991615,1cyclictest65850irq/126-lan08:30:172
8904991615,1cyclictest65850irq/126-lan07:35:132
8904991515,0cyclictest65850irq/126-lan12:20:012
8904991515,0cyclictest65850irq/126-lan12:20:002
8904991515,0cyclictest65850irq/126-lan11:20:132
8904991515,0cyclictest65850irq/126-lan10:55:122
8904991515,0cyclictest65850irq/126-lan10:05:192
8904991515,0cyclictest65850irq/126-lan07:45:132
8904991514,1cyclictest65850irq/126-lan11:15:092
8904991514,1cyclictest65850irq/126-lan11:00:142
8904991514,1cyclictest65850irq/126-lan09:25:122
8904991514,1cyclictest65850irq/126-lan08:25:132
8904991414,0cyclictest65850irq/126-lan10:41:082
8904991414,0cyclictest65850irq/126-lan09:35:102
8904991414,0cyclictest65850irq/126-lan09:30:212
8904991414,0cyclictest65850irq/126-lan07:55:182
8904991414,0cyclictest65850irq/126-lan07:20:162
8904991413,1cyclictest65850irq/126-lan12:35:412
8904991413,1cyclictest65850irq/126-lan11:35:222
8904991413,1cyclictest65850irq/126-lan09:20:172
8904991413,1cyclictest65850irq/126-lan09:15:122
8904991413,1cyclictest65850irq/126-lan08:45:122
8904991413,1cyclictest65850irq/126-lan08:40:162
8904991413,1cyclictest65850irq/126-lan08:15:142
8904991313,0cyclictest65850irq/126-lan12:05:132
8904991313,0cyclictest65850irq/126-lan08:10:112
8904991313,0cyclictest65850irq/126-lan07:26:472
8904991312,1cyclictest65850irq/126-lan12:00:372
8904991312,1cyclictest65850irq/126-lan11:30:182
8904991312,1cyclictest65850irq/126-lan10:35:202
8904991312,1cyclictest65850irq/126-lan09:50:182
8904991212,0cyclictest65850irq/126-lan09:05:182
8904991212,0cyclictest65850irq/126-lan08:50:102
8904991212,0cyclictest65850irq/126-lan07:15:122
8904991211,1cyclictest65850irq/126-lan08:00:192
8904991111,0cyclictest65850irq/126-lan12:30:182
8904991111,0cyclictest65850irq/126-lan09:45:122
8904991110,1cyclictest65850irq/126-lan11:40:152
890499109,1cyclictest65850irq/126-lan08:35:192
8904991010,0cyclictest65850irq/126-lan12:15:382
89079998,1cyclictest743-21snmpd11:42:313
89079998,1cyclictest743-21snmpd09:44:093
89079998,1cyclictest743-21snmpd08:16:433
89079998,1cyclictest741-21lldpd09:04:283
89079998,1cyclictest741-21lldpd08:58:133
89049998,1cyclictest65850irq/126-lan11:05:112
88989998,1cyclictest743-21snmpd10:09:351
88989998,1cyclictest743-21snmpd08:29:521
88989998,1cyclictest743-21snmpd07:56:361
88989998,1cyclictest741-21lldpd10:01:581
88929998,1cyclictest743-21snmpd09:00:230
88929998,1cyclictest743-21snmpd08:30:590
88929998,1cyclictest741-21lldpd11:31:520
88929998,1cyclictest506-21systemd-resolve10:15:130
89079988,0cyclictest743-21snmpd09:45:043
89079988,0cyclictest741-21lldpd11:46:453
89079988,0cyclictest741-21lldpd08:28:423
89079988,0cyclictest741-21lldpd07:29:433
89079988,0cyclictest522-21avahi-daemon07:11:513
89079987,1cyclictest743-21snmpd10:57:333
89079987,1cyclictest743-21snmpd10:38:383
89079987,1cyclictest743-21snmpd08:32:593
89079987,1cyclictest522-21avahi-daemon12:05:053
89079987,1cyclictest522-21avahi-daemon10:10:593
89079987,1cyclictest14845-21fschecks_count11:20:113
89079986,2cyclictest743-21snmpd10:28:143
89079986,2cyclictest743-21snmpd09:55:273
89079986,2cyclictest743-21snmpd09:53:433
89079986,2cyclictest743-21snmpd07:53:083
89079986,2cyclictest743-21snmpd07:47:303
89079986,2cyclictest743-21snmpd07:21:433
89079986,2cyclictest19913-21grep07:35:133
89079983,5cyclictest14784-21cat12:40:013
89049986,2cyclictest743-21snmpd11:54:222
88989988,0cyclictest743-21snmpd12:16:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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