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2026-05-22 - 03:58

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 Fri May 22, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13009991918,1cyclictest65850irq/126-lan22:24:381
13009991918,1cyclictest65850irq/126-lan19:51:421
13009991817,1cyclictest65850irq/126-lan21:45:121
13009991817,1cyclictest65850irq/126-lan20:47:281
13009991817,1cyclictest65850irq/126-lan20:40:001
13009991817,1cyclictest65850irq/126-lan20:01:111
13009991717,0cyclictest65850irq/126-lan19:58:091
13009991717,0cyclictest65850irq/126-lan19:25:201
13009991716,1cyclictest65850irq/126-lan23:45:141
13009991716,1cyclictest65850irq/126-lan23:36:241
13009991716,1cyclictest65850irq/126-lan21:25:201
13009991716,1cyclictest65850irq/126-lan20:40:111
13009991716,1cyclictest65850irq/126-lan20:05:181
13009991716,1cyclictest65850irq/126-lan00:25:131
13009991616,0cyclictest65850irq/126-lan22:10:131
13009991616,0cyclictest65850irq/126-lan21:30:111
13009991616,0cyclictest65850irq/126-lan19:45:291
13009991616,0cyclictest65850irq/126-lan19:23:421
13009991616,0cyclictest65850irq/126-lan00:13:591
13009991615,1cyclictest65850irq/126-lan23:50:131
13009991615,1cyclictest65850irq/126-lan23:10:151
13009991615,1cyclictest65850irq/126-lan22:39:591
13009991615,1cyclictest65850irq/126-lan22:05:121
13009991515,0cyclictest65850irq/126-lan23:30:231
13009991515,0cyclictest65850irq/126-lan22:55:191
13009991515,0cyclictest65850irq/126-lan22:25:151
13009991515,0cyclictest65850irq/126-lan20:50:321
13009991515,0cyclictest65850irq/126-lan00:00:081
13009991514,1cyclictest65850irq/126-lan21:20:171
13009991514,1cyclictest65850irq/126-lan21:15:161
13009991414,0cyclictest65850irq/126-lan19:15:201
13009991414,0cyclictest65850irq/126-lan00:35:121
13009991413,1cyclictest65850irq/126-lan23:25:161
13009991413,1cyclictest65850irq/126-lan21:50:121
13009991413,1cyclictest65850irq/126-lan19:40:191
13009991413,1cyclictest65850irq/126-lan19:30:151
13009991413,1cyclictest65850irq/126-lan00:05:111
13009991313,0cyclictest65850irq/126-lan23:40:201
13009991313,0cyclictest65850irq/126-lan21:00:201
13009991313,0cyclictest65850irq/126-lan20:55:171
13009991313,0cyclictest65850irq/126-lan20:25:081
13009991313,0cyclictest65850irq/126-lan19:36:551
13009991313,0cyclictest65850irq/126-lan00:15:111
13009991312,1cyclictest65850irq/126-lan23:20:221
13009991312,1cyclictest65850irq/126-lan23:15:141
13009991312,1cyclictest65850irq/126-lan23:05:221
13009991312,1cyclictest65850irq/126-lan22:50:121
13009991312,1cyclictest65850irq/126-lan22:15:211
13009991312,1cyclictest65850irq/126-lan20:15:171
13009991312,1cyclictest65850irq/126-lan19:10:171
13009991312,1cyclictest65850irq/126-lan00:30:151
13009991212,0cyclictest65850irq/126-lan23:55:171
13009991212,0cyclictest65850irq/126-lan22:45:131
13009991212,0cyclictest65850irq/126-lan21:42:151
13009991212,0cyclictest65850irq/126-lan20:30:151
13009991211,1cyclictest65850irq/126-lan23:00:111
13009991211,1cyclictest65850irq/126-lan21:35:191
13009991111,0cyclictest65850irq/126-lan22:30:141
13009991110,1cyclictest65850irq/126-lan21:05:161
13009991110,1cyclictest65850irq/126-lan20:20:111
13009991110,1cyclictest65850irq/126-lan20:10:111
1302099107,3cyclictest743-21snmpd00:26:043
1302099107,3cyclictest741-21lldpd00:14:383
1302099106,1cyclictest743-21snmpd21:37:543
1300999109,1cyclictest65850irq/126-lan22:00:121
1300999109,1cyclictest65850irq/126-lan21:55:231
1300999109,1cyclictest65850irq/126-lan21:10:181
130209997,0cyclictest741-21lldpd23:08:553
130209997,0cyclictest741-21lldpd19:37:023
130209996,0cyclictest743-21snmpd23:11:453
130169998,1cyclictest743-21snmpd22:25:322
130169998,1cyclictest743-21snmpd22:24:382
130169998,1cyclictest743-21snmpd21:59:312
130169996,3cyclictest743-21snmpd21:31:482
130099998,1cyclictest65850irq/126-lan22:40:161
130069998,1cyclictest743-21snmpd23:59:360
130069998,1cyclictest743-21snmpd23:24:110
130209988,0cyclictest743-21snmpd21:15:173
130209988,0cyclictest741-21lldpd23:04:223
130209988,0cyclictest741-21lldpd22:39:163
130209987,1cyclictest743-21snmpd23:35:263
130209987,1cyclictest743-21snmpd22:01:283
130209987,1cyclictest743-21snmpd19:12:083
130209987,1cyclictest741-21lldpd23:19:453
130209986,2cyclictest743-21snmpd22:25:353
130209986,2cyclictest743-21snmpd21:44:073
130209986,2cyclictest743-21snmpd21:21:033
130209986,2cyclictest743-21snmpd19:34:083
130209986,2cyclictest717-21ntpd23:45:163
130209986,2cyclictest717-21ntpd22:45:123
130209986,2cyclictest717-21ntpd22:10:213
130209986,0cyclictest741-21lldpd20:15:383
130209985,1cyclictest743-21snmpd23:27:313
130209983,2cyclictest30064-21cat22:30:153
130169988,0cyclictest743-21snmpd22:55:332
130169988,0cyclictest743-21snmpd00:06:122
130169988,0cyclictest741-21lldpd23:46:012
130169988,0cyclictest741-21lldpd23:06:532
130169988,0cyclictest741-21lldpd22:34:292
130169988,0cyclictest741-21lldpd19:13:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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