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2026-04-09 - 15:52

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Thu Apr 09, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7997991918,1cyclictest65850irq/126-lan11:35:203
7997991918,1cyclictest65850irq/126-lan08:40:193
7997991817,1cyclictest65850irq/126-lan11:00:193
7997991817,1cyclictest65850irq/126-lan10:20:003
7997991817,1cyclictest65850irq/126-lan09:55:133
7997991817,1cyclictest65850irq/126-lan07:20:143
7997991717,0cyclictest65850irq/126-lan10:40:123
7997991717,0cyclictest65850irq/126-lan07:35:173
7997991716,1cyclictest65850irq/126-lan10:55:133
7997991716,1cyclictest65850irq/126-lan10:25:213
7997991716,1cyclictest65850irq/126-lan09:19:463
7997991716,1cyclictest65850irq/126-lan08:45:113
7997991716,1cyclictest65850irq/126-lan08:30:103
7997991716,1cyclictest65850irq/126-lan08:05:153
7997991616,0cyclictest65850irq/126-lan12:25:183
7997991616,0cyclictest65850irq/126-lan10:05:183
7997991616,0cyclictest65850irq/126-lan08:37:353
7997991616,0cyclictest65850irq/126-lan08:28:473
7997991616,0cyclictest65850irq/126-lan08:23:153
7997991615,1cyclictest65850irq/126-lan12:05:153
7997991615,1cyclictest65850irq/126-lan10:00:143
7997991615,1cyclictest65850irq/126-lan09:40:143
7997991615,1cyclictest65850irq/126-lan07:50:133
7997991615,1cyclictest65850irq/126-lan07:30:123
7980991616,0cyclictest743-21snmpd12:21:180
7980991616,0cyclictest743-21snmpd11:53:250
7980991616,0cyclictest743-21snmpd11:27:090
7980991616,0cyclictest743-21snmpd11:06:090
7980991616,0cyclictest743-21snmpd10:03:450
7980991616,0cyclictest743-21snmpd08:49:520
7980991616,0cyclictest743-21snmpd07:52:420
7980991616,0cyclictest743-21snmpd07:24:220
7980991616,0cyclictest30110-21cat10:40:140
7997991515,0cyclictest65850irq/126-lan12:22:493
7997991515,0cyclictest65850irq/126-lan12:04:083
7997991515,0cyclictest65850irq/126-lan11:32:093
7997991515,0cyclictest65850irq/126-lan11:22:473
7997991515,0cyclictest65850irq/126-lan09:20:173
7997991515,0cyclictest65850irq/126-lan09:13:473
7997991515,0cyclictest65850irq/126-lan08:50:163
7997991515,0cyclictest65850irq/126-lan08:10:223
7997991515,0cyclictest65850irq/126-lan07:40:223
7997991514,1cyclictest65850irq/126-lan12:30:143
7997991514,1cyclictest65850irq/126-lan10:35:143
7997991514,1cyclictest65850irq/126-lan10:15:183
7997991514,1cyclictest65850irq/126-lan09:00:123
7997991514,1cyclictest65850irq/126-lan08:55:143
7997991514,1cyclictest65850irq/126-lan08:15:173
7980991515,0cyclictest743-21snmpd12:39:040
7980991515,0cyclictest743-21snmpd12:27:540
7980991515,0cyclictest743-21snmpd11:55:520
7980991515,0cyclictest743-21snmpd11:47:530
7980991515,0cyclictest743-21snmpd11:13:540
7980991515,0cyclictest743-21snmpd10:50:050
7980991515,0cyclictest743-21snmpd09:59:340
7980991515,0cyclictest743-21snmpd08:55:370
7980991515,0cyclictest743-21snmpd08:29:240
7980991515,0cyclictest743-21snmpd07:45:350
7980991515,0cyclictest17544-21cat10:10:140
7997991414,0cyclictest65850irq/126-lan12:35:453
7997991414,0cyclictest65850irq/126-lan11:55:113
7997991414,0cyclictest65850irq/126-lan11:25:143
7997991414,0cyclictest65850irq/126-lan10:30:123
7997991413,1cyclictest65850irq/126-lan11:50:153
7997991413,1cyclictest65850irq/126-lan11:10:143
7997991413,1cyclictest65850irq/126-lan09:45:153
7997991413,1cyclictest65850irq/126-lan09:30:183
7997991413,1cyclictest65850irq/126-lan08:00:143
7997991413,1cyclictest65850irq/126-lan07:45:213
7997991413,1cyclictest65850irq/126-lan07:25:133
7997991413,1cyclictest65850irq/126-lan07:25:133
7980991414,0cyclictest743-21snmpd12:17:330
7980991414,0cyclictest743-21snmpd12:13:590
7980991414,0cyclictest743-21snmpd12:08:120
7980991414,0cyclictest743-21snmpd10:56:320
7980991414,0cyclictest743-21snmpd10:48:420
7980991414,0cyclictest743-21snmpd10:28:110
7980991414,0cyclictest743-21snmpd10:18:340
7980991414,0cyclictest743-21snmpd08:53:520
7980991414,0cyclictest743-21snmpd08:14:210
7980991414,0cyclictest743-21snmpd07:55:020
7980991414,0cyclictest16706-21cat07:30:130
7980991414,0cyclictest13521-21cat08:40:130
7997991313,0cyclictest65850irq/126-lan11:40:153
7997991313,0cyclictest65850irq/126-lan10:45:123
7997991312,1cyclictest65850irq/126-lan08:00:003
7997991312,1cyclictest65850irq/126-lan07:15:203
7997991312,1cyclictest65850irq/126-lan07:10:163
7997991212,0cyclictest65850irq/126-lan12:12:493
7997991212,0cyclictest65850irq/126-lan09:28:473
7997991212,0cyclictest65850irq/126-lan09:05:143
7997991211,1cyclictest65850irq/126-lan11:45:133
7997991211,1cyclictest65850irq/126-lan09:35:183
7997991111,0cyclictest65850irq/126-lan11:05:143
7980991111,0cyclictest743-21snmpd09:26:300
799799109,1cyclictest65850irq/126-lan12:15:013
799799109,1cyclictest65850irq/126-lan10:10:143
7997991010,0cyclictest65850irq/126-lan11:16:013
79979998,1cyclictest65850irq/126-lan09:50:103
79939998,1cyclictest741-21lldpd09:19:072
79889998,1cyclictest743-21snmpd11:05:411
79889998,1cyclictest743-21snmpd09:07:301
79939987,1cyclictest743-21snmpd11:41:192
79939987,1cyclictest743-21snmpd11:35:012
79939987,1cyclictest743-21snmpd10:21:012
79939987,1cyclictest743-21snmpd10:10:592
79939987,1cyclictest743-21snmpd07:12:222
79939986,2cyclictest743-21snmpd12:05:112
79939986,2cyclictest743-21snmpd11:55:222
79939986,2cyclictest743-21snmpd11:17:302
79939986,2cyclictest743-21snmpd07:53:172
79939986,2cyclictest25640-21cat10:30:122
79889988,0cyclictest743-21snmpd11:51:431
79889988,0cyclictest743-21snmpd10:17:401
79889988,0cyclictest741-21lldpd11:39:291
79889988,0cyclictest741-21lldpd10:49:191
79889988,0cyclictest741-21lldpd10:37:141
79889988,0cyclictest741-21lldpd07:55:341
79889988,0cyclictest741-21lldpd07:39:371
79889986,2cyclictest743-21snmpd11:00:571
79889986,2cyclictest743-21snmpd08:27:091
79889986,2cyclictest743-21snmpd08:13:181
79809988,0cyclictest741-21lldpd08:18:080
79809987,1cyclictest743-21snmpd08:01:180
79809986,2cyclictest743-21snmpd09:52:360
79809986,2cyclictest743-21snmpd09:18:050
79809986,2cyclictest743-21snmpd09:14:470
79809986,2cyclictest743-21snmpd07:11:250
79979976,1cyclictest65850irq/126-lan10:50:163
79939977,0cyclictest743-21snmpd10:41:272
79939977,0cyclictest743-21snmpd10:18:372
79939977,0cyclictest743-21snmpd08:32:062
79939977,0cyclictest741-21lldpd11:50:372
79939977,0cyclictest741-21lldpd10:59:412
79939977,0cyclictest741-21lldpd10:29:072
79939977,0cyclictest741-21lldpd08:43:322
79939977,0cyclictest741-21lldpd07:58:502
79939976,1cyclictest743-21snmpd11:33:232
79939976,1cyclictest743-21snmpd09:49:182
79939976,1cyclictest743-21snmpd09:38:572
79939976,1cyclictest743-21snmpd07:30:572
79939976,1cyclictest506-21systemd-resolve10:06:292
79939976,1cyclictest1595-21needreboot09:30:132
79939976,1cyclictest0-21swapper/207:20:172
79939975,2cyclictest743-21snmpd12:13:052
79889977,0cyclictest741-21lldpd09:28:391
79889977,0cyclictest741-21lldpd08:05:411
79889976,1cyclictest743-21snmpd12:21:561
79889976,1cyclictest743-21snmpd08:58:401
79889976,1cyclictest741-21lldpd11:57:251
79889975,2cyclictest743-21snmpd12:12:321
79889975,2cyclictest743-21snmpd11:43:221
79889975,2cyclictest743-21snmpd11:22:271
79889975,2cyclictest743-21snmpd10:40:361
79889975,2cyclictest743-21snmpd09:35:531
79889975,2cyclictest743-21snmpd09:04:251
79889975,2cyclictest5467-21cat09:40:131
79889972,5cyclictest557-21NetworkManager07:48:251
79809977,0cyclictest743-21snmpd10:37:010
79809977,0cyclictest743-21snmpd08:05:310
79809977,0cyclictest743-21snmpd07:17:040
79809977,0cyclictest741-21lldpd12:32:390
79809977,0cyclictest741-21lldpd12:01:100
79809975,2cyclictest5013-21cat08:20:140
79939966,0cyclictest743-21snmpd08:58:522
79939966,0cyclictest743-21snmpd08:35:052
79939966,0cyclictest522-21avahi-daemon12:21:172
79939965,1cyclictest743-21snmpd12:25:532
79939965,1cyclictest743-21snmpd11:01:052
79939965,1cyclictest7425-21cpuspeed_turbos11:05:132
79939965,1cyclictest10273-21cpuspeed_turbos07:15:112
79939964,2cyclictest743-21snmpd07:49:352
79939963,3cyclictest557-21NetworkManager10:45:132
79889966,0cyclictest743-21snmpd10:13:111
79889966,0cyclictest741-21lldpd12:15:141
79889966,0cyclictest741-21lldpd09:30:331
79889966,0cyclictest741-21lldpd08:51:191
79889966,0cyclictest522-21avahi-daemon09:10:441
79889965,1cyclictest743-21snmpd07:29:111
79889965,1cyclictest743-21snmpd07:29:111
79889965,1cyclictest522-21avahi-daemon07:15:221
79889965,1cyclictest32063-21cpuspeed_turbos12:05:101
79889964,2cyclictest743-21snmpd12:04:211
79889964,2cyclictest743-21snmpd11:45:201
79889964,2cyclictest743-21snmpd10:21:041
79889963,3cyclictest17609-21diskstats11:30:121
79889962,3cyclictest11381-21apt-get11:15:121
79889962,3cyclictest11222-21df_inode08:35:131
79809966,0cyclictest743-21snmpd11:20:000
79809966,0cyclictest741-21lldpd11:38:010
79809966,0cyclictest741-21lldpd10:30:360
79809965,1cyclictest743-21snmpd09:35:500
79809964,2cyclictest743-21snmpd11:30:100
79809963,3cyclictest717-21ntpd09:48:280
79809962,3cyclictest18432-21df07:35:110
79939954,1cyclictest743-21snmpd09:40:052
79939954,1cyclictest743-21snmpd09:01:102
79939953,2cyclictest743-21snmpd10:51:562
79939953,2cyclictest557-21NetworkManager09:10:222
79939952,3cyclictest743-21snmpd09:25:142
79939952,3cyclictest31752-21ntpq08:05:172
79939952,3cyclictest30245-21sshd08:00:342
79939952,2cyclictest244-20systemd-journal11:22:382
79939952,2cyclictest244-20systemd-journal10:00:132
79939952,2cyclictest24376-21grep11:45:172
79939952,2cyclictest20667-21grep07:40:142
79939952,2cyclictest12381-21sed09:55:192
79939951,3cyclictest10167-21grep12:30:132
79889955,0cyclictest743-21snmpd08:15:031
79889955,0cyclictest741-21lldpd12:26:501
79889955,0cyclictest741-21lldpd09:23:131
79889955,0cyclictest741-21lldpd08:24:031
79889955,0cyclictest506-21systemd-resolve07:10:041
79889954,1cyclictest25267-21cpuspeed_turbos10:30:101
79889953,2cyclictest743-21snmpd08:00:181
79889953,2cyclictest23183-21apt-get10:25:121
79889953,1cyclictest743-21snmpd08:34:431
79889952,3cyclictest557-21NetworkManager09:45:121
79889952,3cyclictest0-21swapper/109:50:101
79889952,2cyclictest15451-21grep10:05:131
79889951,3cyclictest9375-21cpu11:10:121
79889951,3cyclictest25985-21seq07:53:081
79889951,3cyclictest1589-21fw_forwarded_lo10:50:121
79809954,1cyclictest743-21snmpd08:30:180
79809953,2cyclictest743-21snmpd10:08:240
79809953,2cyclictest717-21ntpd11:42:010
79809953,2cyclictest717-21ntpd07:29:320
79809953,2cyclictest717-21ntpd07:29:320
79809953,2cyclictest557-21NetworkManager09:24:500
79809953,2cyclictest1238-21perl09:30:110
79809952,3cyclictest557-21NetworkManager10:23:430
79809952,3cyclictest12823-21dump-pmu-power08:39:590
79809952,2cyclictest5006-21find09:40:110
79809952,2cyclictest21683-21sed09:00:130
79809952,2cyclictest11431-21awk11:15:120
79939944,0cyclictest0-21swapper/208:50:142
79939942,2cyclictest9699-21head11:10:142
79939942,2cyclictest903-21tail08:10:132
79939942,2cyclictest743-21snmpd08:16:302
79939942,2cyclictest557-21NetworkManager09:50:102
79939942,2cyclictest17395-21date11:30:002
79939941,2cyclictest4949-21tail08:20:132
79939941,2cyclictest29449-21cut09:20:142
79939941,2cyclictest24302-21timerandwakeup09:05:222
79939941,2cyclictest15159-21cut07:25:162
79939941,2cyclictest15159-21cut07:25:162
79939940,4cyclictest12889-21ntpq12:35:152
79939940,3cyclictest30147-21diskstats12:00:112
79939940,3cyclictest27207-21apt10:35:112
79939940,3cyclictest19059-21ntpq07:35:152
79939940,3cyclictest15960-21ntpq08:45:162
79889944,0cyclictest743-21snmpd12:30:131
79889944,0cyclictest522-21avahi-daemon09:15:221
79889944,0cyclictest0-21swapper/110:04:591
79889942,2cyclictest717-21ntpd12:35:201
79889942,2cyclictest717-21ntpd07:20:171
79889942,2cyclictest20714-21cut07:40:141
79889941,2cyclictest15455-21expr08:45:131
79889940,3cyclictest3599-21fw_packets10:55:111
79889940,3cyclictest17068-21ntpq07:30:161
79889940,3cyclictest15985-21memory11:25:141
79889940,3cyclictest13947-21ntp_states08:40:161
79889940,3cyclictest11913-21ntp_states09:55:171
79809942,2cyclictest717-21ntpd07:40:060
79809941,2cyclictest5317-21acpi11:00:130
79809940,3cyclictest23796-21cat09:05:150
79939930,3cyclictest6668-21grep08:25:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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