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2026-06-07 - 21:17

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 Sun Jun 07, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8874993434,0cyclictest9087-21lspci12:23:191
8884991918,1cyclictest65850irq/126-lan07:45:143
8884991818,0cyclictest65850irq/126-lan10:20:183
8884991817,1cyclictest65850irq/126-lan10:40:163
8884991717,0cyclictest65850irq/126-lan12:16:293
8884991717,0cyclictest65850irq/126-lan10:30:193
8884991717,0cyclictest65850irq/126-lan08:20:163
8884991717,0cyclictest65850irq/126-lan07:35:193
8884991716,1cyclictest65850irq/126-lan12:35:143
8884991716,1cyclictest65850irq/126-lan11:30:183
8884991716,1cyclictest65850irq/126-lan11:15:223
8884991716,1cyclictest65850irq/126-lan09:19:273
8884991716,1cyclictest65850irq/126-lan09:00:143
8884991616,0cyclictest65850irq/126-lan12:30:133
8884991616,0cyclictest65850irq/126-lan12:25:163
8884991616,0cyclictest65850irq/126-lan11:55:123
8884991616,0cyclictest65850irq/126-lan09:55:203
8884991616,0cyclictest65850irq/126-lan08:14:273
8884991616,0cyclictest65850irq/126-lan07:27:563
8884991615,1cyclictest65850irq/126-lan12:20:203
8884991615,1cyclictest65850irq/126-lan12:05:143
8884991615,1cyclictest65850irq/126-lan11:20:133
8884991615,1cyclictest65850irq/126-lan10:37:223
8884991615,1cyclictest65850irq/126-lan10:27:283
8884991615,1cyclictest65850irq/126-lan08:50:183
8884991615,1cyclictest65850irq/126-lan07:10:193
8884991515,0cyclictest65850irq/126-lan11:05:223
8884991515,0cyclictest65850irq/126-lan10:15:153
8884991515,0cyclictest65850irq/126-lan09:30:113
8884991515,0cyclictest65850irq/126-lan09:10:133
8884991515,0cyclictest65850irq/126-lan09:05:183
8884991515,0cyclictest65850irq/126-lan07:55:213
8884991514,1cyclictest65850irq/126-lan11:51:293
8884991514,1cyclictest65850irq/126-lan11:45:143
8884991514,1cyclictest65850irq/126-lan11:40:133
8884991514,1cyclictest65850irq/126-lan10:55:143
8884991514,1cyclictest65850irq/126-lan10:50:213
8884991514,1cyclictest65850irq/126-lan08:40:183
8884991514,1cyclictest65850irq/126-lan08:15:183
8884991514,1cyclictest65850irq/126-lan07:40:213
8884991414,0cyclictest65850irq/126-lan09:26:393
8884991414,0cyclictest65850irq/126-lan08:25:283
8884991414,0cyclictest65850irq/126-lan07:18:163
8884991413,1cyclictest65850irq/126-lan10:10:153
8884991413,1cyclictest65850irq/126-lan08:35:123
8884991413,1cyclictest65850irq/126-lan08:30:153
8884991313,0cyclictest65850irq/126-lan09:20:133
8884991313,0cyclictest65850irq/126-lan07:52:513
8884991313,0cyclictest65850irq/126-lan07:20:173
8884991312,1cyclictest65850irq/126-lan12:00:213
8884991312,1cyclictest65850irq/126-lan10:05:133
8884991312,1cyclictest65850irq/126-lan08:08:203
8884991312,1cyclictest65850irq/126-lan07:30:143
8884991212,0cyclictest65850irq/126-lan11:35:003
8884991211,1cyclictest65850irq/126-lan12:15:003
8884991211,1cyclictest65850irq/126-lan11:25:163
887999126,3cyclictest522-21avahi-daemon10:41:432
8884991111,0cyclictest65850irq/126-lan11:10:143
8884991110,1cyclictest65850irq/126-lan11:00:123
8884991110,1cyclictest65850irq/126-lan10:45:143
8884991110,1cyclictest65850irq/126-lan09:50:163
887499119,2cyclictest743-21snmpd11:28:361
888499109,1cyclictest65850irq/126-lan08:55:153
888499109,1cyclictest65850irq/126-lan08:00:123
8884991010,0cyclictest65850irq/126-lan09:38:343
8884991010,0cyclictest65850irq/126-lan08:45:153
887999108,2cyclictest741-21lldpd11:45:102
887999108,2cyclictest741-21lldpd10:46:332
887999108,2cyclictest741-21lldpd09:16:182
887999106,4cyclictest743-21snmpd08:38:422
88849999,0cyclictest65850irq/126-lan09:48:443
88849998,1cyclictest65850irq/126-lan10:00:183
88799998,1cyclictest743-21snmpd10:35:252
88799998,1cyclictest741-21lldpd10:56:402
88799996,3cyclictest23071-21gltestperf11:40:122
88799995,4cyclictest743-21snmpd12:32:412
88799995,4cyclictest743-21snmpd08:53:042
88799992,4cyclictest557-21NetworkManager07:55:342
88799990,4cyclictest10436-21needreboot09:50:152
88749998,1cyclictest743-21snmpd11:43:041
88749998,1cyclictest743-21snmpd10:11:241
88749998,1cyclictest743-21snmpd08:43:451
88749998,1cyclictest743-21snmpd08:15:231
88749998,1cyclictest743-21snmpd07:21:121
88749998,1cyclictest741-21lldpd10:38:531
88749998,1cyclictest741-21lldpd09:07:311
88669998,1cyclictest743-21snmpd09:05:340
88669998,1cyclictest743-21snmpd08:07:020
88799988,0cyclictest741-21lldpd10:32:132
88799987,1cyclictest743-21snmpd12:13:172
88799987,1cyclictest743-21snmpd07:27:582
88799987,1cyclictest10672-21fschecks_time12:25:122
88799986,2cyclictest743-21snmpd09:02:012
88799985,3cyclictest743-21snmpd09:49:242
88799985,3cyclictest741-21lldpd07:18:302
88799984,4cyclictest743-21snmpd08:32:302
88799983,2cyclictest20393-21sed08:55:202
88799982,3cyclictest557-21NetworkManager07:20:222
88799982,3cyclictest244-20systemd-journal09:05:532
88799982,2cyclictest22424-21grep07:40:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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