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2026-05-14 - 20:12

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 May 14, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30637991918,1cyclictest65850irq/126-lan10:25:031
30637991918,1cyclictest65850irq/126-lan09:50:091
30637991818,0cyclictest65850irq/126-lan08:05:131
30637991818,0cyclictest65850irq/126-lan07:45:161
30637991817,1cyclictest65850irq/126-lan08:25:211
30637991817,1cyclictest65850irq/126-lan07:38:391
30637991817,1cyclictest65850irq/126-lan07:30:151
30637991817,1cyclictest65850irq/126-lan07:20:161
30637991717,0cyclictest65850irq/126-lan12:15:201
30637991717,0cyclictest65850irq/126-lan11:55:201
30637991717,0cyclictest65850irq/126-lan11:05:171
30637991717,0cyclictest65850irq/126-lan10:45:181
30637991717,0cyclictest65850irq/126-lan09:10:311
30637991717,0cyclictest65850irq/126-lan08:45:121
30637991716,1cyclictest65850irq/126-lan11:20:191
30637991716,1cyclictest65850irq/126-lan10:50:141
30637991716,1cyclictest65850irq/126-lan10:15:001
30637991716,1cyclictest65850irq/126-lan09:55:161
30637991716,1cyclictest65850irq/126-lan09:25:141
30637991616,0cyclictest65850irq/126-lan11:12:431
30637991616,0cyclictest65850irq/126-lan09:45:211
30637991616,0cyclictest65850irq/126-lan09:00:191
30637991616,0cyclictest65850irq/126-lan07:25:161
30637991615,1cyclictest65850irq/126-lan11:50:121
30637991615,1cyclictest65850irq/126-lan11:35:201
30637991615,1cyclictest65850irq/126-lan11:30:001
30637991615,1cyclictest65850irq/126-lan10:56:321
30637991615,1cyclictest65850irq/126-lan10:15:121
30637991615,1cyclictest65850irq/126-lan10:05:111
30637991615,1cyclictest65850irq/126-lan08:50:121
30637991615,1cyclictest65850irq/126-lan08:34:591
30637991615,1cyclictest65850irq/126-lan07:55:191
30637991515,0cyclictest65850irq/126-lan11:15:461
30637991515,0cyclictest65850irq/126-lan10:20:121
30637991515,0cyclictest65850irq/126-lan08:55:181
30637991514,1cyclictest65850irq/126-lan11:30:151
30637991514,1cyclictest65850irq/126-lan10:45:001
30637991514,1cyclictest65850irq/126-lan10:00:111
30637991514,1cyclictest65850irq/126-lan09:15:181
30637991514,1cyclictest65850irq/126-lan08:40:211
30637991514,1cyclictest65850irq/126-lan08:15:371
30637991514,1cyclictest65850irq/126-lan08:00:101
30637991514,1cyclictest65850irq/126-lan07:50:161
30637991414,0cyclictest65850irq/126-lan12:25:511
30637991414,0cyclictest65850irq/126-lan12:00:151
30637991414,0cyclictest65850irq/126-lan09:30:331
30637991414,0cyclictest65850irq/126-lan08:35:141
30637991414,0cyclictest65850irq/126-lan07:40:361
30637991414,0cyclictest65850irq/126-lan07:15:101
30637991413,1cyclictest65850irq/126-lan10:35:191
30637991313,0cyclictest65850irq/126-lan12:05:491
30637991313,0cyclictest65850irq/126-lan09:40:351
30637991313,0cyclictest65850irq/126-lan07:14:591
30637991312,1cyclictest65850irq/126-lan12:10:161
30637991212,0cyclictest65850irq/126-lan08:10:091
30637991211,1cyclictest65850irq/126-lan12:35:151
30637991211,1cyclictest65850irq/126-lan12:24:431
30637991211,1cyclictest65850irq/126-lan09:20:121
30637991111,0cyclictest65850irq/126-lan11:00:161
30637991110,1cyclictest65850irq/126-lan09:35:001
30637991110,1cyclictest65850irq/126-lan09:05:161
3063799109,1cyclictest65850irq/126-lan11:49:431
30637991010,0cyclictest65850irq/126-lan12:31:351
30637991010,0cyclictest65850irq/126-lan11:40:121
30637991010,0cyclictest65850irq/126-lan08:20:161
306469998,1cyclictest743-21snmpd11:54:463
306469998,1cyclictest743-21snmpd08:37:373
306469998,1cyclictest743-21snmpd07:50:543
306429998,1cyclictest743-21snmpd09:54:062
306429998,1cyclictest743-21snmpd09:04:072
306429998,1cyclictest29705-21needreboot12:20:152
306339998,1cyclictest743-21snmpd11:53:190
306339998,1cyclictest743-21snmpd11:14:230
306339998,1cyclictest743-21snmpd09:51:570
306339998,1cyclictest743-21snmpd09:49:540
306339998,1cyclictest741-21lldpd07:14:580
306339998,1cyclictest522-21avahi-daemon07:44:030
306469988,0cyclictest743-21snmpd11:23:203
306469988,0cyclictest743-21snmpd09:34:023
306469988,0cyclictest741-21lldpd10:21:423
306469988,0cyclictest741-21lldpd09:43:313
306469988,0cyclictest741-21lldpd09:17:053
306469987,1cyclictest743-21snmpd08:14:033
306469987,1cyclictest743-21snmpd08:01:023
306469986,2cyclictest743-21snmpd07:29:373
306429988,0cyclictest743-21snmpd11:51:582
306429988,0cyclictest743-21snmpd11:12:092
306429988,0cyclictest743-21snmpd10:45:412
306429988,0cyclictest743-21snmpd10:44:142
306429988,0cyclictest743-21snmpd10:19:012
306429988,0cyclictest741-21lldpd12:10:572
306429988,0cyclictest741-21lldpd08:25:092
306429988,0cyclictest741-21lldpd07:55:492
306429987,1cyclictest888-21fschecks_count12:30:112
306429987,1cyclictest743-21snmpd08:18:332
306429987,1cyclictest741-21lldpd11:33:342
306429987,1cyclictest506-21systemd-resolve09:15:042
306429986,2cyclictest743-21snmpd12:37:062
306429986,2cyclictest743-21snmpd12:02:132
306429986,2cyclictest743-21snmpd08:12:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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