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2026-04-02 - 08:04

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 Thu Apr 02, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12261991818,0cyclictest65850irq/126-lan22:13:073
12261991818,0cyclictest65850irq/126-lan19:30:133
12261991817,1cyclictest65850irq/126-lan22:25:203
12255991818,0cyclictest743-21snmpd23:46:092
12255991818,0cyclictest743-21snmpd23:22:002
12255991818,0cyclictest743-21snmpd23:07:352
12255991818,0cyclictest743-21snmpd22:40:162
12255991818,0cyclictest743-21snmpd22:02:032
12255991818,0cyclictest743-21snmpd21:30:502
12255991818,0cyclictest743-21snmpd21:24:532
12255991818,0cyclictest743-21snmpd20:13:272
12255991818,0cyclictest743-21snmpd20:00:362
12255991818,0cyclictest743-21snmpd19:36:112
12255991818,0cyclictest743-21snmpd00:38:052
12255991818,0cyclictest743-21snmpd00:19:132
12255991818,0cyclictest14658-21cat00:30:162
12261991717,0cyclictest65850irq/126-lan22:40:273
12261991716,1cyclictest65850irq/126-lan23:55:133
12261991716,1cyclictest65850irq/126-lan23:25:113
12261991716,1cyclictest65850irq/126-lan23:10:193
12261991716,1cyclictest65850irq/126-lan23:00:123
12261991716,1cyclictest65850irq/126-lan22:36:043
12261991716,1cyclictest65850irq/126-lan20:55:183
12261991716,1cyclictest65850irq/126-lan20:00:163
12261991716,1cyclictest65850irq/126-lan19:45:213
12261991716,1cyclictest65850irq/126-lan00:10:143
12255991717,0cyclictest743-21snmpd22:09:122
12255991717,0cyclictest743-21snmpd21:25:352
12255991717,0cyclictest743-21snmpd19:28:442
12255991717,0cyclictest743-21snmpd19:22:282
12255991717,0cyclictest743-21snmpd00:24:432
12261991616,0cyclictest65850irq/126-lan23:30:123
12261991615,1cyclictest65850irq/126-lan22:50:003
12261991615,1cyclictest65850irq/126-lan20:30:173
12261991615,1cyclictest65850irq/126-lan20:15:203
12261991615,1cyclictest65850irq/126-lan19:55:133
12261991615,1cyclictest65850irq/126-lan19:50:223
12261991615,1cyclictest65850irq/126-lan00:15:003
12255991616,0cyclictest743-21snmpd23:01:172
12261991515,0cyclictest65850irq/126-lan19:40:203
12261991515,0cyclictest65850irq/126-lan19:15:133
12261991515,0cyclictest65850irq/126-lan00:00:123
12261991514,1cyclictest65850irq/126-lan23:50:163
12261991514,1cyclictest65850irq/126-lan23:35:163
12261991514,1cyclictest65850irq/126-lan23:20:173
12261991514,1cyclictest65850irq/126-lan23:05:173
12261991514,1cyclictest65850irq/126-lan22:30:153
12261991514,1cyclictest65850irq/126-lan22:00:143
12261991514,1cyclictest65850irq/126-lan21:38:273
12261991514,1cyclictest65850irq/126-lan21:20:193
12261991514,1cyclictest65850irq/126-lan21:00:123
12261991514,1cyclictest65850irq/126-lan20:40:153
12261991514,1cyclictest65850irq/126-lan19:10:233
12261991514,1cyclictest65850irq/126-lan00:35:173
12261991514,1cyclictest65850irq/126-lan00:05:113
12246991515,0cyclictest743-21snmpd21:44:000
12261991414,0cyclictest65850irq/126-lan23:44:063
12261991414,0cyclictest65850irq/126-lan22:20:163
12261991414,0cyclictest65850irq/126-lan21:30:123
12261991414,0cyclictest65850irq/126-lan21:10:103
12261991414,0cyclictest65850irq/126-lan20:13:403
12261991414,0cyclictest65850irq/126-lan00:20:143
12261991413,1cyclictest65850irq/126-lan23:15:143
12261991413,1cyclictest65850irq/126-lan21:40:153
12261991413,1cyclictest65850irq/126-lan21:25:163
12261991413,1cyclictest65850irq/126-lan21:15:143
12261991413,1cyclictest65850irq/126-lan20:45:103
12261991413,1cyclictest65850irq/126-lan20:05:173
12261991313,0cyclictest65850irq/126-lan22:15:133
12261991313,0cyclictest65850irq/126-lan21:50:133
12261991313,0cyclictest65850irq/126-lan19:25:193
12261991313,0cyclictest65850irq/126-lan19:20:123
12261991312,1cyclictest65850irq/126-lan21:45:213
12261991312,1cyclictest65850irq/126-lan21:05:123
12261991312,1cyclictest65850irq/126-lan00:30:133
12246991313,0cyclictest743-21snmpd23:52:270
12246991313,0cyclictest743-21snmpd22:51:380
12246991313,0cyclictest743-21snmpd22:08:240
12246991313,0cyclictest743-21snmpd21:09:080
12246991313,0cyclictest743-21snmpd19:18:400
12261991211,1cyclictest65850irq/126-lan22:55:133
12261991211,1cyclictest65850irq/126-lan22:45:143
12261991211,1cyclictest65850irq/126-lan22:05:123
12261991211,1cyclictest65850irq/126-lan20:50:153
12261991211,1cyclictest65850irq/126-lan20:35:163
12261991211,1cyclictest65850irq/126-lan20:20:193
12261991211,1cyclictest65850irq/126-lan00:25:123
12246991212,0cyclictest743-21snmpd22:26:280
12246991212,0cyclictest743-21snmpd21:46:390
12246991212,0cyclictest743-21snmpd21:36:530
12246991212,0cyclictest743-21snmpd21:03:500
12246991212,0cyclictest743-21snmpd20:45:010
12246991212,0cyclictest743-21snmpd19:54:140
12246991212,0cyclictest743-21snmpd19:38:560
12246991212,0cyclictest743-21snmpd00:08:520
12261991110,1cyclictest65850irq/126-lan20:25:113
12261991110,1cyclictest65850irq/126-lan19:35:113
12246991111,0cyclictest743-21snmpd23:42:360
12246991111,0cyclictest743-21snmpd23:30:030
12246991111,0cyclictest743-21snmpd23:22:570
12246991111,0cyclictest743-21snmpd23:06:140
12246991111,0cyclictest743-21snmpd22:58:080
12246991111,0cyclictest743-21snmpd22:47:400
12246991111,0cyclictest743-21snmpd22:44:290
12246991111,0cyclictest743-21snmpd22:17:370
12246991111,0cyclictest743-21snmpd22:01:180
12246991111,0cyclictest743-21snmpd21:33:560
12246991111,0cyclictest743-21snmpd20:58:370
12246991111,0cyclictest743-21snmpd20:44:010
12246991111,0cyclictest743-21snmpd20:15:420
12246991111,0cyclictest743-21snmpd20:11:270
12246991111,0cyclictest743-21snmpd19:59:270
12246991111,0cyclictest743-21snmpd19:43:590
12246991111,0cyclictest743-21snmpd19:34:040
12246991111,0cyclictest743-21snmpd19:27:020
12246991111,0cyclictest743-21snmpd00:15:110
12246991111,0cyclictest3412-21cat21:25:140
12246991111,0cyclictest12623-21cat00:25:110
1226199109,1cyclictest65850irq/126-lan23:45:143
12261991010,0cyclictest65850irq/126-lan21:55:273
12246991010,0cyclictest743-21snmpd21:55:030
12246991010,0cyclictest743-21snmpd00:36:050
122559998,1cyclictest743-21snmpd23:54:512
122519998,1cyclictest743-21snmpd21:40:151
122519998,1cyclictest743-21snmpd20:57:101
122469998,1cyclictest743-21snmpd20:22:510
122559988,0cyclictest743-21snmpd00:12:402
122559988,0cyclictest741-21lldpd23:19:542
122559988,0cyclictest741-21lldpd22:50:112
122559988,0cyclictest741-21lldpd22:45:352
122559988,0cyclictest741-21lldpd21:58:442
122559988,0cyclictest741-21lldpd21:52:022
122559987,1cyclictest743-21snmpd19:46:322
122559987,1cyclictest741-21lldpd22:24:232
122559986,2cyclictest743-21snmpd23:30:482
122559986,2cyclictest743-21snmpd20:40:342
122559986,2cyclictest743-21snmpd20:19:262
122559985,3cyclictest743-21snmpd23:58:522
122519988,0cyclictest743-21snmpd23:57:341
122519988,0cyclictest743-21snmpd22:17:311
122519988,0cyclictest743-21snmpd19:26:591
122519988,0cyclictest741-21lldpd20:43:151
122519988,0cyclictest741-21lldpd00:18:331
122519987,1cyclictest743-21snmpd23:26:031
122519987,1cyclictest741-21lldpd21:03:061
122519986,2cyclictest743-21snmpd23:23:361
122519986,2cyclictest743-21snmpd23:07:441
122519986,2cyclictest743-21snmpd22:01:331
122519986,2cyclictest743-21snmpd19:22:531
122519986,2cyclictest743-21snmpd19:14:311
122519986,2cyclictest743-21snmpd00:03:341
122469986,2cyclictest743-21snmpd23:10:320
122559977,0cyclictest743-21snmpd22:27:012
122559977,0cyclictest741-21lldpd21:14:502
122559976,1cyclictest743-21snmpd20:34:312
122559976,1cyclictest743-21snmpd20:05:032
122559976,1cyclictest522-21avahi-daemon21:35:212
122559976,1cyclictest522-21avahi-daemon20:20:262
122559976,1cyclictest22155-21cut20:55:002
122559975,2cyclictest743-21snmpd19:31:262
122559975,2cyclictest22369-21gltestperf22:10:132
122559973,3cyclictest25979-21apt-get23:40:112
122559973,3cyclictest24560-21memory22:15:162
122519977,0cyclictest743-21snmpd23:45:301
122519977,0cyclictest743-21snmpd19:16:491
122519977,0cyclictest741-21lldpd20:46:311
122519976,1cyclictest743-21snmpd23:17:231
122519976,1cyclictest743-21snmpd22:37:041
122519976,1cyclictest741-21lldpd21:30:241
122519976,1cyclictest741-21lldpd00:30:581
122519976,1cyclictest522-21avahi-daemon21:05:491
122519976,1cyclictest522-21avahi-daemon20:13:041
122519975,2cyclictest743-21snmpd22:06:151
122519975,2cyclictest743-21snmpd20:27:301
122519973,3cyclictest16493-21memory21:55:141
122469977,0cyclictest743-21snmpd22:23:040
122469977,0cyclictest743-21snmpd00:23:160
122469977,0cyclictest741-21lldpd23:25:400
122469977,0cyclictest741-21lldpd21:19:460
122469977,0cyclictest741-21lldpd20:07:570
122469977,0cyclictest741-21lldpd00:12:320
122469977,0cyclictest741-21lldpd00:00:110
122469976,1cyclictest743-21snmpd20:54:220
122469976,1cyclictest573-21in:imuxsock20:39:580
122559966,0cyclictest743-21snmpd23:13:092
122559965,1cyclictest12268-21cpuspeed_turbos00:25:092
122559964,2cyclictest743-21snmpd21:05:292
122559964,2cyclictest743-21snmpd20:35:342
122559964,2cyclictest24890-21cat21:00:142
122559963,2cyclictest244-20systemd-journal21:43:352
122559963,1cyclictest191rcu_preempt20:55:172
122559962,3cyclictest15142-21nfs_client19:15:152
122519966,0cyclictest743-21snmpd21:47:451
122519966,0cyclictest741-21lldpd23:02:511
122519966,0cyclictest741-21lldpd21:16:141
122519966,0cyclictest522-21avahi-daemon00:24:441
122519966,0cyclictest506-21systemd-resolve22:54:561
122519965,1cyclictest743-21snmpd21:11:051
122519965,1cyclictest3603-21needreboot21:25:151
122519965,1cyclictest30299-21gltestperf23:50:131
122519964,2cyclictest743-21snmpd22:44:411
122519964,2cyclictest743-21snmpd21:22:231
122519964,2cyclictest743-21snmpd20:24:511
122519964,2cyclictest14351-21apt-get20:35:121
122519963,3cyclictest7455-21cat21:35:131
122519962,3cyclictest26436-21irqstats23:40:131
122469966,0cyclictest743-21snmpd23:38:270
122469966,0cyclictest743-21snmpd00:33:470
122469966,0cyclictest741-21lldpd20:30:030
122469966,0cyclictest725-21in:imuxsock19:49:590
122469965,1cyclictest743-21snmpd23:49:510
122469965,1cyclictest743-21snmpd20:03:120
122469965,1cyclictest16051-21fschecks_count23:15:130
122469962,3cyclictest12604-21diskstats19:10:130
122559955,0cyclictest8118-21gltestperf22:55:142
122559955,0cyclictest743-21snmpd21:49:092
122559955,0cyclictest741-21lldpd19:44:032
122559955,0cyclictest506-21systemd-resolve21:16:392
122559954,1cyclictest743-21snmpd22:35:132
122559953,2cyclictest743-21snmpd20:46:282
122559953,2cyclictest717-21ntpd00:06:172
122559953,2cyclictest717-21ntpd00:00:552
122559952,3cyclictest557-21NetworkManager20:25:142
122559952,2cyclictest244-20systemd-journal19:52:502
122559952,2cyclictest13189-21sed19:10:172
122559952,1cyclictest191rcu_preempt23:35:112
122559951,3cyclictest21115-21sed23:25:202
122559950,4cyclictest30929-21ntpq22:30:172
122519955,0cyclictest743-21snmpd22:32:521
122519955,0cyclictest741-21lldpd00:07:301
122519955,0cyclictest522-21avahi-daemon00:10:491
122519955,0cyclictest506-21systemd-resolve20:18:421
122519954,1cyclictest743-21snmpd20:32:281
122519954,1cyclictest26842-21ntpq22:20:171
122519954,1cyclictest13643-21cut21:50:121
122519953,2cyclictest743-21snmpd22:45:161
122519953,2cyclictest506-21systemd-resolve19:38:411
122519953,2cyclictest32110-21sshd19:57:241
122519953,2cyclictest0-21swapper/122:15:001
122519952,3cyclictest777-21load20:00:141
122519952,3cyclictest13860-21apt-get23:10:101
122519952,2cyclictest244-20systemd-journal20:07:301
122519952,2cyclictest21892-21seq19:30:351
122469955,0cyclictest741-21lldpd22:10:010
122469955,0cyclictest522-21avahi-daemon22:30:340
122469954,1cyclictest32696-21needreboot22:35:150
122469954,1cyclictest29600-21ntpq21:10:160
122469953,2cyclictest0-21swapper/023:00:180
122469952,3cyclictest557-21NetworkManager21:54:590
122469952,2cyclictest11625-21grep20:25:200
122559941,2cyclictest31316-21ld19:55:172
122519944,0cyclictest741-21lldpd00:35:471
122519943,1cyclictest8182-21cat22:55:151
122519941,3cyclictest25057-21sed19:40:141
122519941,2cyclictest28503-21interrupts22:25:141
122519941,2cyclictest24957-21mailstats23:35:191
122519941,2cyclictest22296-21cut23:30:141
122519941,2cyclictest20508-21expr20:50:111
122519940,4cyclictest29367-21ntpq19:50:181
122519940,4cyclictest27403-21ntpq19:45:181
122519940,3cyclictest12362-21diskstats00:25:101
122469942,2cyclictest717-21ntpd21:20:110
122469942,0cyclictest0-21swapper/019:20:170
122469941,2cyclictest32615-21sed23:55:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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