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2026-06-04 - 16:15

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 04, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1928991817,1cyclictest65850irq/126-lan12:15:173
1928991817,1cyclictest65850irq/126-lan10:05:163
1928991817,1cyclictest65850irq/126-lan07:30:133
1928991717,0cyclictest65850irq/126-lan07:20:193
1928991716,1cyclictest65850irq/126-lan12:35:193
1928991716,1cyclictest65850irq/126-lan11:33:283
1928991716,1cyclictest65850irq/126-lan10:25:183
1928991716,1cyclictest65850irq/126-lan09:55:153
1928991716,1cyclictest65850irq/126-lan09:20:133
1928991716,1cyclictest65850irq/126-lan08:45:113
1928991716,1cyclictest65850irq/126-lan07:10:163
1928991616,0cyclictest65850irq/126-lan12:20:353
1928991616,0cyclictest65850irq/126-lan11:15:303
1928991616,0cyclictest65850irq/126-lan09:40:143
1928991616,0cyclictest65850irq/126-lan09:08:293
1928991616,0cyclictest65850irq/126-lan09:00:163
1928991615,1cyclictest65850irq/126-lan12:25:143
1928991615,1cyclictest65850irq/126-lan11:40:153
1928991615,1cyclictest65850irq/126-lan10:10:143
1928991615,1cyclictest65850irq/126-lan10:00:013
1928991615,1cyclictest65850irq/126-lan09:35:133
1928991615,1cyclictest65850irq/126-lan08:50:203
1928991615,1cyclictest65850irq/126-lan08:40:193
1928991615,1cyclictest65850irq/126-lan08:00:193
1928991515,0cyclictest65850irq/126-lan12:10:153
1928991515,0cyclictest65850irq/126-lan11:56:283
1928991515,0cyclictest65850irq/126-lan10:30:163
1928991515,0cyclictest65850irq/126-lan08:55:133
1928991515,0cyclictest65850irq/126-lan08:25:143
1928991515,0cyclictest65850irq/126-lan07:50:283
1928991514,1cyclictest65850irq/126-lan12:00:153
1928991514,1cyclictest65850irq/126-lan11:45:163
1928991514,1cyclictest65850irq/126-lan10:45:173
1928991514,1cyclictest65850irq/126-lan10:44:033
1928991514,1cyclictest65850irq/126-lan09:45:283
1928991514,1cyclictest65850irq/126-lan09:15:123
1928991414,0cyclictest65850irq/126-lan09:32:093
1928991414,0cyclictest65850irq/126-lan08:35:133
1928991413,1cyclictest65850irq/126-lan11:50:103
1928991413,1cyclictest65850irq/126-lan10:20:183
1928991413,1cyclictest65850irq/126-lan07:48:283
1928991413,1cyclictest65850irq/126-lan07:25:143
1928991313,0cyclictest65850irq/126-lan12:05:203
1928991313,0cyclictest65850irq/126-lan11:00:133
1928991313,0cyclictest65850irq/126-lan10:15:113
1928991313,0cyclictest65850irq/126-lan08:05:133
1928991313,0cyclictest65850irq/126-lan07:55:143
1928991312,1cyclictest65850irq/126-lan11:35:123
1928991312,1cyclictest65850irq/126-lan11:10:163
1928991312,1cyclictest65850irq/126-lan10:55:143
1928991312,1cyclictest65850irq/126-lan10:50:123
1928991312,1cyclictest65850irq/126-lan08:30:093
1928991211,1cyclictest65850irq/126-lan12:30:113
1928991211,1cyclictest65850irq/126-lan10:35:163
1928991211,1cyclictest65850irq/126-lan09:50:173
1928991211,1cyclictest65850irq/126-lan07:40:143
1928991111,0cyclictest65850irq/126-lan11:20:203
1928991111,0cyclictest65850irq/126-lan09:25:203
1928991111,0cyclictest65850irq/126-lan09:10:203
1928991111,0cyclictest65850irq/126-lan07:39:293
1928991110,1cyclictest65850irq/126-lan11:25:113
192899109,1cyclictest65850irq/126-lan08:10:153
192899109,1cyclictest65850irq/126-lan07:15:143
1928991010,0cyclictest65850irq/126-lan11:05:123
19289999,0cyclictest522-21avahi-daemon08:16:383
19249998,1cyclictest743-21snmpd11:42:022
19249998,1cyclictest741-21lldpd11:07:382
19249998,1cyclictest741-21lldpd08:55:432
19189998,1cyclictest743-21snmpd08:41:421
19189998,1cyclictest741-21lldpd12:03:481
19099998,1cyclictest743-21snmpd10:37:330
19099998,1cyclictest743-21snmpd10:09:160
19099998,1cyclictest743-21snmpd08:07:500
19099998,1cyclictest743-21snmpd07:45:330
19289987,1cyclictest65850irq/126-lan08:20:193
19249988,0cyclictest743-21snmpd08:47:562
19249988,0cyclictest741-21lldpd10:44:092
19249988,0cyclictest741-21lldpd09:54:012
19249987,1cyclictest743-21snmpd08:29:082
19249986,2cyclictest743-21snmpd12:24:572
19249986,2cyclictest743-21snmpd10:13:592
19249986,2cyclictest743-21snmpd09:47:502
19249986,2cyclictest743-21snmpd09:30:152
19249986,2cyclictest743-21snmpd08:50:452
19249986,2cyclictest743-21snmpd07:15:492
19189988,0cyclictest743-21snmpd12:23:481
19189988,0cyclictest743-21snmpd10:17:571
19189988,0cyclictest743-21snmpd07:50:171
19189988,0cyclictest741-21lldpd10:20:471
19189988,0cyclictest741-21lldpd09:01:481
19189988,0cyclictest741-21lldpd07:30:511
19189987,1cyclictest743-21snmpd07:23:041
19189987,1cyclictest741-21lldpd07:15:271
19189987,1cyclictest18859-21fschecks_count09:10:131
19189986,2cyclictest743-21snmpd07:55:291
19189986,2cyclictest743-21snmpd07:40:091
19099988,0cyclictest743-21snmpd09:27:010
19099988,0cyclictest741-21lldpd12:20:140
19099988,0cyclictest741-21lldpd12:18:320
19099988,0cyclictest741-21lldpd12:03:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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