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2026-06-20 - 07:14

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 Sat Jun 20, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
491991919,0cyclictest65850irq/126-lan21:37:190
491991918,1cyclictest65850irq/126-lan22:00:120
491991918,1cyclictest65850irq/126-lan21:10:110
491991817,1cyclictest65850irq/126-lan22:20:170
491991817,1cyclictest65850irq/126-lan21:55:130
491991817,1cyclictest65850irq/126-lan20:25:150
491991817,1cyclictest65850irq/126-lan19:57:360
491991817,1cyclictest65850irq/126-lan19:35:160
491991717,0cyclictest65850irq/126-lan23:29:380
491991717,0cyclictest65850irq/126-lan22:45:200
491991717,0cyclictest65850irq/126-lan20:12:090
491991717,0cyclictest65850irq/126-lan20:12:080
491991716,1cyclictest65850irq/126-lan22:13:130
491991716,1cyclictest65850irq/126-lan20:45:200
491991716,1cyclictest65850irq/126-lan20:15:120
491991716,1cyclictest65850irq/126-lan00:10:200
491991616,0cyclictest65850irq/126-lan23:51:080
491991616,0cyclictest65850irq/126-lan23:39:360
491991616,0cyclictest65850irq/126-lan23:18:360
491991616,0cyclictest65850irq/126-lan23:00:110
491991616,0cyclictest65850irq/126-lan22:15:110
491991616,0cyclictest65850irq/126-lan21:48:360
491991616,0cyclictest65850irq/126-lan21:18:360
491991616,0cyclictest65850irq/126-lan21:05:360
491991616,0cyclictest65850irq/126-lan19:48:410
491991616,0cyclictest65850irq/126-lan00:15:190
491991616,0cyclictest65850irq/126-lan00:00:200
491991615,1cyclictest65850irq/126-lan21:40:180
491991615,1cyclictest65850irq/126-lan21:30:120
491991615,1cyclictest65850irq/126-lan21:00:200
491991615,1cyclictest65850irq/126-lan20:30:180
491991615,1cyclictest65850irq/126-lan20:20:190
491991615,1cyclictest65850irq/126-lan00:30:130
491991615,1cyclictest65850irq/126-lan00:28:400
491991615,1cyclictest65850irq/126-lan00:05:150
491991515,0cyclictest65850irq/126-lan23:40:120
491991515,0cyclictest65850irq/126-lan23:31:220
491991515,0cyclictest65850irq/126-lan21:22:140
491991515,0cyclictest65850irq/126-lan20:40:010
491991515,0cyclictest65850irq/126-lan20:07:140
491991515,0cyclictest65850irq/126-lan20:07:130
491991515,0cyclictest65850irq/126-lan19:40:200
491991515,0cyclictest65850irq/126-lan19:20:160
491991515,0cyclictest65850irq/126-lan19:12:440
491991514,1cyclictest65850irq/126-lan22:30:150
491991514,1cyclictest65850irq/126-lan20:55:150
491991514,1cyclictest65850irq/126-lan20:40:140
491991414,0cyclictest65850irq/126-lan23:05:120
491991414,0cyclictest65850irq/126-lan22:35:100
491991414,0cyclictest65850irq/126-lan20:50:190
491991414,0cyclictest65850irq/126-lan19:18:360
491991414,0cyclictest65850irq/126-lan00:20:190
491991413,1cyclictest65850irq/126-lan22:40:110
491991413,1cyclictest65850irq/126-lan21:50:180
491991413,1cyclictest65850irq/126-lan19:53:350
491991413,1cyclictest65850irq/126-lan19:25:160
491991313,0cyclictest65850irq/126-lan23:20:200
491991313,0cyclictest65850irq/126-lan22:55:210
491991312,1cyclictest65850irq/126-lan23:45:130
491991312,1cyclictest65850irq/126-lan23:10:150
491991212,0cyclictest65850irq/126-lan19:30:120
491991211,1cyclictest65850irq/126-lan22:25:120
491991211,1cyclictest65850irq/126-lan00:00:000
50599118,3cyclictest743-21snmpd23:56:522
50599116,2cyclictest743-21snmpd00:26:052
491991111,0cyclictest65850irq/126-lan22:50:140
491991111,0cyclictest65850irq/126-lan00:35:150
50599106,1cyclictest743-21snmpd22:31:462
49999108,2cyclictest10591-21grep19:35:011
5099998,1cyclictest743-21snmpd23:12:323
5099998,1cyclictest741-21lldpd23:06:123
5099998,1cyclictest741-21lldpd21:12:003
5059998,1cyclictest741-21lldpd20:04:122
4999998,1cyclictest743-21snmpd23:38:391
4999998,1cyclictest743-21snmpd21:02:311
4999998,1cyclictest743-21snmpd19:45:061
4999998,1cyclictest743-21snmpd00:16:231
4999998,1cyclictest741-21lldpd22:03:211
5099988,0cyclictest743-21snmpd22:54:143
5099988,0cyclictest743-21snmpd20:51:243
5099988,0cyclictest743-21snmpd20:26:563
5099988,0cyclictest741-21lldpd23:00:183
5099988,0cyclictest741-21lldpd22:25:463
5099988,0cyclictest741-21lldpd20:02:423
5099988,0cyclictest741-21lldpd19:53:103
5099988,0cyclictest741-21lldpd00:15:033
5099988,0cyclictest741-21lldpd00:00:013
5099987,1cyclictest741-21lldpd19:25:193
5099986,2cyclictest743-21snmpd23:55:463
5099986,2cyclictest743-21snmpd23:31:273
5099986,2cyclictest743-21snmpd22:11:543
5099986,2cyclictest743-21snmpd00:07:163
5059988,0cyclictest743-21snmpd22:55:502
5059988,0cyclictest743-21snmpd22:06:302
5059988,0cyclictest743-21snmpd21:35:112
5059988,0cyclictest743-21snmpd20:27:112
5059988,0cyclictest741-21lldpd23:16:402
5059988,0cyclictest741-21lldpd22:54:042
5059988,0cyclictest741-21lldpd21:12:492
5059987,1cyclictest743-21snmpd21:22:012
5059986,2cyclictest7562-21cat20:45:152
5059986,2cyclictest743-21snmpd21:42:112
5059986,2cyclictest743-21snmpd00:02:162
5059986,2cyclictest7242-21cat19:25:152
5059986,2cyclictest717-21ntpd21:15:192
5059986,2cyclictest717-21ntpd19:55:202
5059986,2cyclictest717-21ntpd00:10:222
4999988,0cyclictest741-21lldpd23:24:531
4999988,0cyclictest741-21lldpd23:03:041
4999987,1cyclictest743-21snmpd23:50:491
4999987,1cyclictest743-21snmpd22:46:221
4999987,1cyclictest743-21snmpd22:05:541
4999987,1cyclictest743-21snmpd19:24:251
4999987,1cyclictest743-21snmpd00:01:041
4999986,2cyclictest743-21snmpd20:49:391
4999986,2cyclictest28497-21cat22:55:141
4999985,3cyclictest743-21snmpd23:31:121
4999985,3cyclictest743-21snmpd20:52:511
4919988,0cyclictest65850irq/126-lan21:28:360
4919987,1cyclictest65850irq/126-lan22:05:140
4919987,1cyclictest65850irq/126-lan20:00:180
5099977,0cyclictest743-21snmpd23:37:123
5099977,0cyclictest743-21snmpd21:06:013
5099977,0cyclictest743-21snmpd00:11:383
5099977,0cyclictest741-21lldpd21:44:133
5099977,0cyclictest741-21lldpd21:21:313
5099977,0cyclictest741-21lldpd20:21:043
5099977,0cyclictest741-21lldpd20:10:503
5099977,0cyclictest741-21lldpd20:10:503
5099977,0cyclictest741-21lldpd00:35:553
5099977,0cyclictest741-21lldpd00:24:113
5099977,0cyclictest25883-21sh21:30:003
5099976,1cyclictest743-21snmpd22:21:103
5099976,1cyclictest743-21snmpd22:07:243
5099976,1cyclictest743-21snmpd19:36:593
5099976,1cyclictest743-21snmpd19:18:373
5099976,1cyclictest4852-21cut20:40:013
5099975,2cyclictest743-21snmpd22:15:323
5099975,2cyclictest743-21snmpd20:32:333
5099975,2cyclictest743-21snmpd00:33:533
5099972,5cyclictest557-21NetworkManager22:49:513
5059976,1cyclictest743-21snmpd23:44:402
5059976,1cyclictest743-21snmpd20:08:272
5059976,1cyclictest743-21snmpd20:08:262
5059976,1cyclictest741-21lldpd23:32:332
5059976,1cyclictest717-21ntpd20:20:222
5059975,2cyclictest743-21snmpd20:53:362
5059975,2cyclictest743-21snmpd19:40:392
5059975,2cyclictest717-21ntpd22:15:132
5059975,2cyclictest717-21ntpd20:35:192
5059975,2cyclictest717-21ntpd19:35:202
4999977,0cyclictest743-21snmpd21:50:111
4999977,0cyclictest743-21snmpd00:05:341
4999977,0cyclictest741-21lldpd23:14:161
4999977,0cyclictest741-21lldpd23:06:231
4999976,1cyclictest743-21snmpd21:24:501
4999976,1cyclictest743-21snmpd20:55:401
4999976,1cyclictest743-21snmpd00:39:331
4999976,1cyclictest717-21ntpd19:10:011
4999976,1cyclictest522-21avahi-daemon21:19:001
4999975,2cyclictest743-21snmpd23:17:391
4999975,2cyclictest743-21snmpd22:31:581
4999975,2cyclictest743-21snmpd22:15:241
4999975,2cyclictest743-21snmpd22:10:241
4999975,2cyclictest717-21ntpd21:35:111
4999975,2cyclictest717-21ntpd19:50:091
5099966,0cyclictest743-21snmpd21:15:193
5099966,0cyclictest743-21snmpd19:55:153
5099966,0cyclictest743-21snmpd19:43:393
5099966,0cyclictest741-21lldpd22:34:343
5099966,0cyclictest741-21lldpd21:52:053
5099966,0cyclictest741-21lldpd21:38:053
5099966,0cyclictest522-21avahi-daemon23:41:003
5099965,1cyclictest743-21snmpd23:27:573
5099965,1cyclictest743-21snmpd20:15:023
5099965,1cyclictest741-21lldpd20:06:463
5099965,1cyclictest741-21lldpd20:06:463
5099965,1cyclictest506-21systemd-resolve19:49:353
5099964,2cyclictest743-21snmpd00:25:173
5059966,0cyclictest743-21snmpd23:07:112
5059966,0cyclictest743-21snmpd22:01:472
5059966,0cyclictest743-21snmpd20:44:142
5059966,0cyclictest743-21snmpd00:08:432
5059966,0cyclictest741-21lldpd23:28:252
5059965,1cyclictest743-21snmpd20:16:022
5059965,1cyclictest743-21snmpd19:47:392
5059965,1cyclictest743-21snmpd00:38:502
5059965,1cyclictest741-21lldpd19:30:312
5059965,1cyclictest717-21ntpd21:00:192
5059965,1cyclictest717-21ntpd00:20:142
5059965,1cyclictest522-21avahi-daemon21:27:422
5059965,1cyclictest2815-21needreboot00:30:142
5059964,2cyclictest743-21snmpd19:10:162
5059964,2cyclictest717-21ntpd22:35:162
5059964,2cyclictest5150-21gltestperf19:20:132
5059963,3cyclictest557-21NetworkManager22:45:132
5059962,3cyclictest1635-21memory20:30:152
4999966,0cyclictest743-21snmpd22:28:431
4999966,0cyclictest743-21snmpd21:49:311
4999966,0cyclictest743-21snmpd00:13:291
4999966,0cyclictest741-21lldpd21:28:351
4999966,0cyclictest741-21lldpd20:33:121
4999966,0cyclictest741-21lldpd19:18:591
4999965,1cyclictest743-21snmpd22:24:371
4999965,1cyclictest743-21snmpd19:37:191
4999965,1cyclictest743-21snmpd00:27:171
4999965,1cyclictest717-21ntpd22:40:001
4999964,2cyclictest743-21snmpd23:29:511
4999964,2cyclictest743-21snmpd20:28:411
4999964,2cyclictest743-21snmpd00:32:051
4999963,3cyclictest557-21NetworkManager19:40:141
4999962,3cyclictest4875-21mailstats21:55:201
5099955,0cyclictest741-21lldpd22:59:483
5099955,0cyclictest522-21avahi-daemon22:01:473
5099955,0cyclictest522-21avahi-daemon21:30:283
5099954,1cyclictest20311-21gltestperf22:35:123
5099953,2cyclictest743-21snmpd22:43:013
5099952,3cyclictest557-21NetworkManager20:45:093
5099952,2cyclictest5352-21load19:20:153
5099951,3cyclictest8825-21apt19:30:103
5059955,0cyclictest743-21snmpd19:53:052
5059955,0cyclictest743-21snmpd00:17:112
5059955,0cyclictest741-21lldpd23:52:132
5059955,0cyclictest522-21avahi-daemon23:45:142
5059954,1cyclictest0-21swapper/223:20:202
5059953,2cyclictest743-21snmpd23:04:142
5059953,2cyclictest743-21snmpd21:51:122
5059953,2cyclictest717-21ntpd22:20:002
5059953,2cyclictest717-21ntpd19:15:182
5059953,2cyclictest16061-21ntp_states21:05:192
5059952,3cyclictest743-21snmpd22:27:372
5059952,3cyclictest557-21NetworkManager21:44:592
5059952,2cyclictest575-21rs:main2
5059952,2cyclictest244-20systemd-journal20:57:372
5059951,3cyclictest25680-21fw_forwarded_lo20:10:132
5059951,3cyclictest25680-21fw_forwarded_lo20:10:122
5059950,4cyclictest22824-21ntpq22:40:162
4999955,0cyclictest743-21snmpd21:13:401
4999955,0cyclictest741-21lldpd20:20:021
4999955,0cyclictest23119-21idleruntime-cro20:05:011
4999954,1cyclictest717-21ntpd19:25:011
4999954,1cyclictest15126-21ntpq23:40:171
4999954,1cyclictest0-21swapper/121:30:101
4999953,2cyclictest717-21ntpd23:48:351
4999953,2cyclictest717-21ntpd00:23:501
4999952,2cyclictest24872-21seq20:06:571
4999952,2cyclictest24872-21seq20:06:561
4999952,2cyclictest244-20systemd-journal21:07:221
4999952,2cyclictest20968-21ps22:35:171
4999951,3cyclictest244-20systemd-journal20:36:551
5099944,0cyclictest0-21swapper/321:00:213
5099943,1cyclictest511ktimers/321:55:123
5099942,2cyclictest1114-21head19:10:123
5099941,3cyclictest557-21NetworkManager23:21:293
5099941,2cyclictest4421-21fschecks_time23:15:113
5099941,2cyclictest18355-21cat23:50:113
5099941,2cyclictest12063-21awk20:55:173
5099940,4cyclictest477-21ntpq21:45:163
5099940,3cyclictest5469-21sed20:40:123
5099940,3cyclictest16451-21diskstats23:45:113
5059943,1cyclictest743-21snmpd21:30:022
5059942,2cyclictest717-21ntpd22:10:002
5059941,2cyclictest244-20systemd-journal21:55:002
5059940,3cyclictest12246-21cpu23:35:112
4999941,3cyclictest557-21NetworkManager20:40:011
4999941,2cyclictest20688-21hddtemp_smartct23:55:141
4999941,2cyclictest19768-21if_lan19:55:141
4999940,4cyclictest26177-21ntpq20:10:161
4999940,4cyclictest26177-21ntpq20:10:151
4999940,3cyclictest31021-21ntp_states21:40:171
4999940,3cyclictest27398-21apt20:15:121
4999940,3cyclictest26006-21chrt22:50:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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