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2026-04-19 - 15:54

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 highest latencies:
System rack8slot6s.osadl.org (updated Sun Apr 19, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29755991918,1cyclictest65850irq/126-lan11:40:003
29755991918,1cyclictest65850irq/126-lan09:00:183
29755991818,0cyclictest65850irq/126-lan12:39:503
29755991818,0cyclictest65850irq/126-lan10:54:243
29755991818,0cyclictest65850irq/126-lan08:21:543
29755991817,1cyclictest65850irq/126-lan11:50:213
29755991817,1cyclictest65850irq/126-lan07:45:163
29755991717,0cyclictest65850irq/126-lan11:00:183
29755991717,0cyclictest65850irq/126-lan08:35:213
29755991717,0cyclictest65850irq/126-lan08:27:243
29755991716,1cyclictest65850irq/126-lan10:59:153
29755991716,1cyclictest65850irq/126-lan10:05:173
29755991716,1cyclictest65850irq/126-lan09:50:153
29755991716,1cyclictest65850irq/126-lan09:15:193
29755991716,1cyclictest65850irq/126-lan07:10:133
29755991616,0cyclictest65850irq/126-lan11:55:213
29755991616,0cyclictest65850irq/126-lan10:20:163
29755991616,0cyclictest65850irq/126-lan09:39:343
29755991616,0cyclictest65850irq/126-lan08:05:153
29755991615,1cyclictest65850irq/126-lan12:30:213
29755991615,1cyclictest65850irq/126-lan12:01:393
29755991615,1cyclictest65850irq/126-lan11:15:193
29755991615,1cyclictest65850irq/126-lan11:05:143
29755991615,1cyclictest65850irq/126-lan10:25:133
29755991615,1cyclictest65850irq/126-lan09:45:143
29755991615,1cyclictest65850irq/126-lan09:25:143
29755991615,1cyclictest65850irq/126-lan08:00:203
29755991615,1cyclictest65850irq/126-lan07:35:163
29755991615,1cyclictest65850irq/126-lan07:15:173
29755991515,0cyclictest65850irq/126-lan10:44:083
29755991515,0cyclictest65850irq/126-lan10:35:133
29755991515,0cyclictest65850irq/126-lan07:40:113
29755991514,1cyclictest65850irq/126-lan11:20:183
29755991514,1cyclictest65850irq/126-lan09:30:213
29755991514,1cyclictest65850irq/126-lan08:45:213
29755991514,1cyclictest65850irq/126-lan08:15:203
29755991514,1cyclictest65850irq/126-lan07:34:543
29750991515,0cyclictest743-21snmpd09:03:352
29755991414,0cyclictest65850irq/126-lan12:26:553
29755991414,0cyclictest65850irq/126-lan12:05:203
29755991414,0cyclictest65850irq/126-lan10:45:213
29755991414,0cyclictest65850irq/126-lan08:57:563
29755991413,1cyclictest65850irq/126-lan09:14:013
29755991413,1cyclictest65850irq/126-lan08:30:193
29755991413,1cyclictest65850irq/126-lan08:10:163
29750991412,1cyclictest743-21snmpd09:43:542
29743991414,0cyclictest743-21snmpd08:10:001
29755991313,0cyclictest65850irq/126-lan12:20:143
29755991313,0cyclictest65850irq/126-lan11:45:163
29755991313,0cyclictest65850irq/126-lan11:30:183
29755991313,0cyclictest65850irq/126-lan10:14:123
29755991313,0cyclictest65850irq/126-lan10:00:153
29755991313,0cyclictest65850irq/126-lan08:42:553
29755991312,1cyclictest65850irq/126-lan12:16:533
29755991312,1cyclictest65850irq/126-lan11:40:113
29755991312,1cyclictest65850irq/126-lan09:05:163
29755991312,1cyclictest65850irq/126-lan07:25:113
29750991313,0cyclictest743-21snmpd12:00:112
29755991212,0cyclictest65850irq/126-lan12:10:133
29755991212,0cyclictest65850irq/126-lan09:20:133
29755991211,1cyclictest65850irq/126-lan11:25:123
29755991211,1cyclictest65850irq/126-lan10:15:143
29750991212,0cyclictest743-21snmpd12:13:482
29750991212,0cyclictest743-21snmpd11:54:592
29750991212,0cyclictest743-21snmpd11:46:072
29750991212,0cyclictest743-21snmpd11:09:062
29750991212,0cyclictest743-21snmpd10:38:392
29755991111,0cyclictest65850irq/126-lan10:32:013
29755991111,0cyclictest65850irq/126-lan09:40:173
29750991111,0cyclictest743-21snmpd11:58:212
29750991111,0cyclictest743-21snmpd09:55:072
29750991111,0cyclictest743-21snmpd09:17:112
29750991111,0cyclictest743-21snmpd08:28:312
29750991111,0cyclictest743-21snmpd07:32:152
29750991111,0cyclictest743-21snmpd07:28:062
29750991111,0cyclictest20658-21cat08:05:162
29750991110,0cyclictest743-21snmpd11:11:032
29750991110,0cyclictest743-21snmpd08:51:552
29743991111,0cyclictest743-21snmpd10:46:531
29743991111,0cyclictest743-21snmpd10:26:441
29743991110,0cyclictest743-21snmpd07:59:131
2975599109,1cyclictest65850irq/126-lan08:50:133
29755991010,0cyclictest65850irq/126-lan07:50:163
29750991010,0cyclictest9603-21cat10:15:142
29750991010,0cyclictest743-21snmpd10:46:172
29750991010,0cyclictest743-21snmpd10:02:312
29750991010,0cyclictest743-21snmpd09:11:112
29750991010,0cyclictest743-21snmpd09:08:202
29750991010,0cyclictest743-21snmpd08:18:212
29750991010,0cyclictest743-21snmpd07:56:192
29750991010,0cyclictest743-21snmpd07:53:422
29750991010,0cyclictest743-21snmpd07:19:322
29750991010,0cyclictest22665-21cat08:10:132
29750991010,0cyclictest1449-21cat11:15:152
29743991010,0cyclictest743-21snmpd12:35:181
29743991010,0cyclictest743-21snmpd11:42:081
29743991010,0cyclictest743-21snmpd11:39:131
29743991010,0cyclictest743-21snmpd11:28:171
29743991010,0cyclictest743-21snmpd08:56:021
29743991010,0cyclictest743-21snmpd08:33:041
29743991010,0cyclictest743-21snmpd08:10:541
29743991010,0cyclictest743-21snmpd07:17:591
297559998,1cyclictest65850irq/126-lan09:55:143
297559998,1cyclictest65850irq/126-lan07:55:193
297509999,0cyclictest743-21snmpd11:20:002
297509999,0cyclictest743-21snmpd09:54:222
297509999,0cyclictest743-21snmpd08:32:522
297509999,0cyclictest30147-21cat12:25:152
297509999,0cyclictest20985-21cat09:25:142
297439999,0cyclictest743-21snmpd09:11:321
297439999,0cyclictest743-21snmpd09:07:081
297439999,0cyclictest743-21snmpd09:02:081
297439999,0cyclictest743-21snmpd08:29:491
297439999,0cyclictest743-21snmpd08:02:181
297439999,0cyclictest743-21snmpd07:42:411
297439999,0cyclictest27800-21cat11:00:141
297439999,0cyclictest21624-21cat12:05:131
297439998,1cyclictest522-21avahi-daemon09:38:561
297389998,1cyclictest743-21snmpd12:09:080
297389998,1cyclictest18272-21cut09:20:000
297559987,1cyclictest65850irq/126-lan07:20:113
297509988,0cyclictest741-21lldpd11:31:412
297509986,2cyclictest743-21snmpd09:47:452
297509986,2cyclictest743-21snmpd08:20:032
297439988,0cyclictest743-21snmpd11:24:071
297439988,0cyclictest743-21snmpd11:11:071
297439988,0cyclictest743-21snmpd09:57:101
297439988,0cyclictest743-21snmpd09:54:251
297439988,0cyclictest743-21snmpd09:43:001
297439988,0cyclictest743-21snmpd09:20:411
297439988,0cyclictest741-21lldpd12:23:161
297439988,0cyclictest741-21lldpd10:24:281
297439988,0cyclictest741-21lldpd10:18:161
297439988,0cyclictest741-21lldpd09:15:111
297439987,1cyclictest743-21snmpd09:47:061
297439987,1cyclictest743-21snmpd07:26:181
297439987,1cyclictest743-21snmpd07:24:571
297439987,1cyclictest12512-21ntp_kernel_pll_07:45:171
297439984,3cyclictest7721-21memory10:10:141
297389988,0cyclictest743-21snmpd12:15:290
297389988,0cyclictest743-21snmpd11:27:370
297389988,0cyclictest743-21snmpd10:12:220
297389988,0cyclictest743-21snmpd09:28:120
297389988,0cyclictest741-21lldpd08:45:020
297389988,0cyclictest741-21lldpd08:27:080
297389988,0cyclictest741-21lldpd08:17:120
297389987,1cyclictest743-21snmpd11:18:540
297389987,1cyclictest743-21snmpd10:21:110
297389987,1cyclictest743-21snmpd09:06:170
297389987,1cyclictest743-21snmpd07:33:210
297389987,1cyclictest743-21snmpd07:23:270
297389986,2cyclictest743-21snmpd11:14:250
297389986,2cyclictest743-21snmpd10:57:070
297389985,2cyclictest20552-21grep08:05:150
297389981,3cyclictest16-21ksoftirqd/010:35:000
297559975,2cyclictest743-21snmpd11:10:453
297509977,0cyclictest743-21snmpd11:37:282
297509977,0cyclictest743-21snmpd11:04:062
297509977,0cyclictest743-21snmpd07:20:112
297509976,1cyclictest743-21snmpd12:32:392
297509976,1cyclictest743-21snmpd12:15:112
297509976,1cyclictest743-21snmpd10:29:052
297509976,1cyclictest6914-21munin-plugin-st10:10:002
297509976,1cyclictest522-21avahi-daemon08:01:512
297439977,0cyclictest743-21snmpd08:16:511
297439976,1cyclictest743-21snmpd11:31:341
297439976,1cyclictest743-21snmpd11:15:361
297439976,1cyclictest15720-21kworker/1:1+events12:25:191
297439976,1cyclictest15720-21kworker/1:1+events12:00:171
297439976,1cyclictest15314-21cpuspeed_turbos10:30:131
297439975,2cyclictest743-21snmpd10:44:591
297439975,2cyclictest743-21snmpd08:45:371
297439975,2cyclictest743-21snmpd07:13:531
297389977,0cyclictest743-21snmpd12:38:180
297389977,0cyclictest743-21snmpd12:25:020
297389977,0cyclictest743-21snmpd09:21:260
297389977,0cyclictest743-21snmpd07:10:560
297389977,0cyclictest741-21lldpd12:10:090
297389977,0cyclictest741-21lldpd11:56:330
297389977,0cyclictest741-21lldpd10:28:100
297389977,0cyclictest741-21lldpd07:25:340
297389976,1cyclictest522-21avahi-daemon08:31:270
297389976,1cyclictest3142-21cat10:00:110
297389975,2cyclictest743-21snmpd08:24:060
297389975,0cyclictest191rcu_preempt11:55:000
297389970,4cyclictest25051-21cron10:55:000
297389970,3cyclictest221rcuc/010:00:000
297509966,0cyclictest741-21lldpd12:08:392
297509966,0cyclictest741-21lldpd08:37:442
297509965,1cyclictest743-21snmpd11:27:442
297509965,1cyclictest743-21snmpd10:33:142
297509964,2cyclictest743-21snmpd12:21:442
297509962,3cyclictest1506-21diskstats12:35:142
297439966,0cyclictest743-21snmpd08:36:071
297439966,0cyclictest743-21snmpd07:50:481
297439966,0cyclictest741-21lldpd12:16:281
297439966,0cyclictest522-21avahi-daemon10:05:051
297439965,1cyclictest15513-21gltestperf11:50:141
297439964,2cyclictest743-21snmpd12:11:201
297439964,2cyclictest743-21snmpd07:35:541
297439963,3cyclictest557-21NetworkManager10:00:571
297439963,2cyclictest23378-21hddtemp_smartct09:30:141
297439963,2cyclictest17326-21entropy11:55:131
297439962,3cyclictest4148-21pluginstate08:45:001
297389966,0cyclictest743-21snmpd11:05:150
297389966,0cyclictest743-21snmpd10:47:200
297389966,0cyclictest743-21snmpd09:00:110
297389966,0cyclictest741-21lldpd07:18:090
297389966,0cyclictest19861-21missed_timers10:40:150
297389965,1cyclictest743-21snmpd09:51:400
297389965,1cyclictest743-21snmpd08:11:360
297389964,2cyclictest743-21snmpd09:49:450
297389964,2cyclictest743-21snmpd08:52:010
297389963,1cyclictest16-21ksoftirqd/010:15:210
297389962,4cyclictest557-21NetworkManager10:38:030
297389962,3cyclictest506-21systemd-resolve08:36:190
297389962,2cyclictest16-21ksoftirqd/011:30:220
297509955,0cyclictest741-21lldpd07:43:562
297509954,1cyclictest743-21snmpd08:41:492
297509954,1cyclictest506-21systemd-resolve11:40:112
297509953,2cyclictest743-21snmpd10:11:102
297509953,2cyclictest717-21ntpd10:55:032
297509953,2cyclictest717-21ntpd09:30:442
297509952,2cyclictest5689-21unixbench_multi08:45:232
297509952,2cyclictest19737-21cat10:40:142
297509951,3cyclictest8592-21df_inode08:55:122
297509951,3cyclictest31036-21sed07:10:202
297509951,3cyclictest244-20systemd-journal09:23:322
297439954,1cyclictest0-21swapper/107:35:001
297439953,2cyclictest717-21ntpd10:55:491
297439953,2cyclictest557-21NetworkManager10:35:151
297439952,2cyclictest575-21rs:main1
297439952,2cyclictest32441-21sed12:30:171
297439952,2cyclictest30201-21ldconfig11:05:171
297439952,2cyclictest20704-21expr09:25:121
297389955,0cyclictest0-21swapper/010:05:020
297389954,1cyclictest0-21swapper/007:44:540
297389954,0cyclictest191rcu_preempt09:30:200
297389954,0cyclictest191rcu_preempt09:10:480
297389954,0cyclictest191rcu_preempt08:00:000
297389953,2cyclictest557-21NetworkManager07:56:370
297389953,1cyclictest191rcu_preempt11:00:150
297389953,1cyclictest0-21swapper/007:45:140
297389953,0cyclictest191rcu_preempt12:20:170
297389952,3cyclictest557-21NetworkManager08:40:590
297389952,3cyclictest16-21ksoftirqd/012:30:180
297389952,1cyclictest191rcu_preempt09:45:000
297389951,3cyclictest13129-21apt-get11:45:120
297389950,4cyclictest9155-21ntpq08:55:160
297389950,4cyclictest19186-21apt-get12:00:120
297389950,3cyclictest16-21ksoftirqd/011:35:210
297389950,3cyclictest14078-21grep07:50:140
297389950,2cyclictest3501-21irqstats11:20:160
297509943,1cyclictest24053-21ntpq10:50:162
297509943,1cyclictest12058-21head07:45:142
297509942,2cyclictest11304-21expr10:20:122
297509940,4cyclictest8470-21ntpq07:35:172
297509940,4cyclictest25859-21ntpq09:35:172
297439941,2cyclictest7602-21timerwakeupswit08:50:201
297439941,2cyclictest27043-21collect208:20:171
297439940,3cyclictest23311-21apt-get10:50:121
297389944,0cyclictest0-21swapper/007:35:200
297389943,1cyclictest221rcuc/009:35:110
297389941,2cyclictest11116-21dpkg11:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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