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2026-06-11 - 14:04

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Thu Jun 11, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26567991918,1cyclictest65850irq/126-lan23:40:003
26567991918,1cyclictest65850irq/126-lan23:35:153
26567991918,1cyclictest65850irq/126-lan22:15:203
26567991917,1cyclictest65850irq/126-lan21:55:113
26567991817,1cyclictest65850irq/126-lan22:40:123
26567991817,1cyclictest65850irq/126-lan19:45:123
26567991717,0cyclictest65850irq/126-lan22:53:373
26567991717,0cyclictest65850irq/126-lan21:40:223
26567991716,1cyclictest65850irq/126-lan20:15:013
26567991716,1cyclictest65850irq/126-lan00:37:063
26567991716,1cyclictest65850irq/126-lan00:15:203
26550991717,0cyclictest743-21snmpd19:54:560
26550991717,0cyclictest743-21snmpd19:22:000
26550991717,0cyclictest743-21snmpd19:11:090
26567991616,0cyclictest65850irq/126-lan23:09:473
26567991616,0cyclictest65850irq/126-lan19:50:113
26567991615,1cyclictest65850irq/126-lan23:55:223
26567991615,1cyclictest65850irq/126-lan23:45:173
26567991615,1cyclictest65850irq/126-lan22:35:123
26567991615,1cyclictest65850irq/126-lan21:50:003
26567991615,1cyclictest65850irq/126-lan21:35:193
26567991615,1cyclictest65850irq/126-lan21:25:113
26567991615,1cyclictest65850irq/126-lan20:50:203
26567991615,1cyclictest65850irq/126-lan19:55:593
26567991615,1cyclictest65850irq/126-lan00:25:113
26550991616,0cyclictest743-21snmpd22:54:460
26550991616,0cyclictest743-21snmpd22:46:530
26550991616,0cyclictest743-21snmpd22:38:300
26550991616,0cyclictest743-21snmpd20:41:530
26550991616,0cyclictest743-21snmpd20:29:080
26550991616,0cyclictest743-21snmpd19:35:360
26550991616,0cyclictest743-21snmpd19:31:550
26550991616,0cyclictest743-21snmpd19:25:550
26550991616,0cyclictest743-21snmpd00:31:310
26550991616,0cyclictest743-21snmpd00:07:480
26550991616,0cyclictest21428-21cat20:15:140
26567991515,0cyclictest65850irq/126-lan23:50:203
26567991515,0cyclictest65850irq/126-lan20:15:203
26567991515,0cyclictest65850irq/126-lan19:10:173
26567991515,0cyclictest65850irq/126-lan00:00:183
26567991514,1cyclictest65850irq/126-lan23:27:383
26567991514,1cyclictest65850irq/126-lan23:20:203
26567991514,1cyclictest65850irq/126-lan22:20:193
26567991514,1cyclictest65850irq/126-lan21:05:143
26567991514,1cyclictest65850irq/126-lan19:20:193
26567991514,1cyclictest65850irq/126-lan19:15:133
26567991514,1cyclictest65850irq/126-lan00:30:123
26567991514,1cyclictest65850irq/126-lan00:20:193
26550991515,0cyclictest743-21snmpd23:51:320
26550991515,0cyclictest743-21snmpd22:01:140
26550991515,0cyclictest743-21snmpd21:45:350
26550991515,0cyclictest743-21snmpd21:22:370
26550991515,0cyclictest743-21snmpd20:49:300
26550991515,0cyclictest743-21snmpd20:36:480
26550991515,0cyclictest743-21snmpd20:10:410
26550991515,0cyclictest743-21snmpd00:12:540
26567991414,0cyclictest65850irq/126-lan23:01:113
26567991414,0cyclictest65850irq/126-lan19:40:523
26567991413,1cyclictest65850irq/126-lan22:45:113
26567991413,1cyclictest65850irq/126-lan22:10:143
26567991413,1cyclictest65850irq/126-lan21:20:143
26567991413,1cyclictest65850irq/126-lan20:25:153
26567991413,1cyclictest65850irq/126-lan20:20:113
26567991413,1cyclictest65850irq/126-lan20:05:103
26567991313,0cyclictest65850irq/126-lan21:30:203
26567991313,0cyclictest65850irq/126-lan20:30:133
26567991313,0cyclictest65850irq/126-lan00:05:163
26567991312,1cyclictest65850irq/126-lan23:10:123
26567991312,1cyclictest65850irq/126-lan22:00:203
26567991312,1cyclictest65850irq/126-lan21:15:123
26567991312,1cyclictest65850irq/126-lan21:00:123
26567991312,1cyclictest65850irq/126-lan20:55:163
26567991312,1cyclictest65850irq/126-lan20:40:153
26567991312,1cyclictest65850irq/126-lan19:25:203
26567991212,0cyclictest65850irq/126-lan23:30:113
26567991212,0cyclictest65850irq/126-lan22:25:193
26567991211,1cyclictest65850irq/126-lan22:55:183
26567991211,1cyclictest65850irq/126-lan20:00:013
26567991211,1cyclictest65850irq/126-lan19:30:153
26567991211,1cyclictest65850irq/126-lan00:10:143
26567991111,0cyclictest65850irq/126-lan20:35:343
26567991110,1cyclictest65850irq/126-lan23:15:153
26567991110,1cyclictest65850irq/126-lan21:46:143
26567991110,1cyclictest65850irq/126-lan21:10:213
26567991110,1cyclictest65850irq/126-lan20:45:163
265629998,1cyclictest743-21snmpd22:18:022
265629998,1cyclictest743-21snmpd20:27:592
265629998,1cyclictest743-21snmpd19:53:222
265589998,1cyclictest743-21snmpd23:09:131
265589998,1cyclictest743-21snmpd22:48:451
265589998,1cyclictest743-21snmpd00:25:241
265589998,1cyclictest743-21snmpd00:22:421
265589998,1cyclictest741-21lldpd20:33:551
265509998,1cyclictest743-21snmpd00:37:170
265679988,0cyclictest65850irq/126-lan22:05:163
265679987,1cyclictest65850irq/126-lan22:30:143
265629988,0cyclictest743-21snmpd23:11:402
265629988,0cyclictest743-21snmpd20:32:022
265629988,0cyclictest743-21snmpd19:39:102
265629988,0cyclictest741-21lldpd20:36:532
265629988,0cyclictest741-21lldpd00:28:222
265629986,2cyclictest743-21snmpd21:51:052
265629986,2cyclictest743-21snmpd00:23:422
265629985,3cyclictest743-21snmpd22:38:332
265629984,3cyclictest24951-21ntp_states00:15:172
265589988,0cyclictest743-21snmpd23:03:491
265589988,0cyclictest743-21snmpd22:57:221
265589988,0cyclictest743-21snmpd22:04:081
265589988,0cyclictest743-21snmpd20:43:481
265589988,0cyclictest743-21snmpd20:05:161
265589988,0cyclictest743-21snmpd19:26:191
265589988,0cyclictest741-21lldpd22:37:281
265589988,0cyclictest741-21lldpd22:18:121
265589987,1cyclictest743-21snmpd23:18:441
265589987,1cyclictest743-21snmpd21:05:541
265589987,1cyclictest743-21snmpd00:35:191
265589986,2cyclictest743-21snmpd23:43:141
265589986,2cyclictest743-21snmpd23:30:381
265589986,2cyclictest743-21snmpd23:10:581
265589986,2cyclictest743-21snmpd22:27:331
265589986,2cyclictest743-21snmpd21:45:021
265589986,2cyclictest743-21snmpd20:58:321
265589986,2cyclictest743-21snmpd20:24:441
265589986,2cyclictest743-21snmpd19:24:341
265589986,2cyclictest743-21snmpd00:17:421
265589985,3cyclictest743-21snmpd19:45:161
265589985,2cyclictest23063-21grep21:35:201
265509988,0cyclictest741-21lldpd23:34:270
265509988,0cyclictest741-21lldpd22:59:090
265509988,0cyclictest741-21lldpd21:08:550
265509988,0cyclictest741-21lldpd21:01:330
265509987,1cyclictest741-21lldpd22:15:400
265509987,1cyclictest741-21lldpd21:31:070
265509986,2cyclictest743-21snmpd22:34:090
265509986,2cyclictest743-21snmpd20:06:410
265629977,0cyclictest743-21snmpd22:21:542
265629977,0cyclictest743-21snmpd22:05:262
265629977,0cyclictest743-21snmpd20:17:292
265629977,0cyclictest741-21lldpd22:59:412
265629977,0cyclictest741-21lldpd22:43:032
265629977,0cyclictest741-21lldpd21:40:392
265629977,0cyclictest741-21lldpd20:05:012
265629977,0cyclictest741-21lldpd00:37:542
265629976,1cyclictest743-21snmpd19:30:342
265629976,1cyclictest573-21in:imuxsock22:01:212
265629976,1cyclictest522-21avahi-daemon23:51:332
265629976,1cyclictest3081-21gltestperf20:50:132
265629976,1cyclictest18403-21head00:00:132
265629975,2cyclictest743-21snmpd23:00:342
265629975,2cyclictest743-21snmpd20:47:122
265629975,2cyclictest743-21snmpd19:55:352
265589977,0cyclictest743-21snmpd22:22:091
265589977,0cyclictest741-21lldpd22:31:041
265589977,0cyclictest741-21lldpd21:20:571
265589977,0cyclictest741-21lldpd19:41:341
265589977,0cyclictest522-21avahi-daemon23:23:401
265589976,1cyclictest743-21snmpd22:14:321
265589976,1cyclictest743-21snmpd21:41:341
265589976,1cyclictest743-21snmpd20:36:361
265589976,1cyclictest743-21snmpd19:17:001
265589976,1cyclictest743-21snmpd19:15:001
265589976,1cyclictest741-21lldpd21:27:481
265589975,2cyclictest743-21snmpd23:45:381
265589975,2cyclictest743-21snmpd21:57:081
265589975,2cyclictest743-21snmpd20:45:541
265589975,2cyclictest743-21snmpd20:14:261
265589975,2cyclictest743-21snmpd19:55:411
265589975,2cyclictest743-21snmpd19:32:581
265589975,2cyclictest743-21snmpd00:11:241
265589975,2cyclictest743-21snmpd00:03:031
265509977,0cyclictest743-21snmpd00:02:480
265509977,0cyclictest741-21lldpd23:27:510
265509977,0cyclictest741-21lldpd22:11:280
265509977,0cyclictest741-21lldpd00:28:000
265509976,1cyclictest741-21lldpd21:16:290
265509975,2cyclictest743-21snmpd23:57:140
265509975,2cyclictest743-21snmpd22:20:240
265509975,2cyclictest743-21snmpd20:02:500
265509975,2cyclictest743-21snmpd19:42:490
265509975,2cyclictest2351-21cat22:05:130
265509973,3cyclictest12839-21ntp_states23:45:170
265679965,1cyclictest522-21avahi-daemon19:39:573
265629966,0cyclictest743-21snmpd23:21:342
265629966,0cyclictest743-21snmpd21:28:042
265629966,0cyclictest743-21snmpd21:00:332
265629966,0cyclictest741-21lldpd23:40:412
265629966,0cyclictest741-21lldpd21:23:512
265629966,0cyclictest522-21avahi-daemon21:09:282
265629966,0cyclictest522-21avahi-daemon19:28:372
265629966,0cyclictest506-21systemd-resolve22:30:152
265629965,1cyclictest743-21snmpd23:57:482
265629965,1cyclictest5590-21cpuspeed_turbos23:30:112
265629964,2cyclictest743-21snmpd20:11:532
265629964,2cyclictest743-21snmpd19:23:492
265629964,2cyclictest743-21snmpd19:18:382
265589966,0cyclictest743-21snmpd21:12:361
265589966,0cyclictest741-21lldpd23:29:211
265589966,0cyclictest522-21avahi-daemon22:43:021
265589965,1cyclictest743-21snmpd20:02:111
265589965,1cyclictest522-21avahi-daemon00:32:231
265589964,2cyclictest743-21snmpd22:06:231
265509966,0cyclictest743-21snmpd23:15:040
265509966,0cyclictest743-21snmpd20:30:170
265509966,0cyclictest743-21snmpd19:47:550
265509966,0cyclictest741-21lldpd23:38:070
265509966,0cyclictest741-21lldpd19:57:420
265509962,3cyclictest6934-21idleruntime-cro20:59:590
265509962,3cyclictest17896-21diskstats21:25:110
265629955,0cyclictest743-21snmpd20:55:212
265629955,0cyclictest743-21snmpd20:22:252
265629955,0cyclictest741-21lldpd23:27:292
265629955,0cyclictest741-21lldpd22:25:102
265629955,0cyclictest741-21lldpd19:44:222
265629955,0cyclictest522-21avahi-daemon20:02:512
265629954,1cyclictest26506-21ntpq21:45:152
265629954,1cyclictest22491-21hddtemp_smartct00:10:122
265629953,2cyclictest743-21snmpd20:41:182
265629953,2cyclictest244-20systemd-journal21:10:122
265629952,3cyclictest557-21NetworkManager21:55:212
265629952,3cyclictest28081-21awk19:10:192
265629952,2cyclictest8812-21grep23:35:202
265629952,2cyclictest3647-21sh22:10:002
265629952,2cyclictest21784-21ld22:50:182
265629952,2cyclictest21071-21sed21:30:202
265629951,4cyclictest557-21NetworkManager00:34:372
265629951,3cyclictest21920-21diskstats21:35:112
265629951,3cyclictest14310-21sed21:15:152
265589954,1cyclictest743-21snmpd20:25:141
265589953,2cyclictest743-21snmpd21:31:281
265589953,2cyclictest743-21snmpd19:50:301
265589952,3cyclictest743-21snmpd23:54:021
265589952,2cyclictest8545-21unixbench_singl21:00:201
265589952,2cyclictest717-21ntpd23:55:171
265589952,2cyclictest4854-21if_err_lan19:35:121
265589952,2cyclictest22324-21sed20:15:211
265589951,3cyclictest28832-21cat21:50:151
265589950,4cyclictest21657-21ntpq22:50:161
265589950,4cyclictest14515-21ntpq21:15:171
265509955,0cyclictest743-21snmpd23:43:560
265509955,0cyclictest741-21lldpd23:22:450
265509955,0cyclictest741-21lldpd21:13:160
265509955,0cyclictest522-21avahi-daemon23:10:380
265509954,1cyclictest24191-21cpuspeed_turbos00:15:120
265509953,2cyclictest743-21snmpd22:42:570
265509953,2cyclictest717-21ntpd21:39:120
265509952,2cyclictest27146-21ps00:20:180
265509952,2cyclictest25050-21grep21:40:210
265509952,2cyclictest24345-21grep20:20:200
265509951,3cyclictest3279-21sed20:50:140
265509951,3cyclictest10696-21ld22:25:150
265629943,1cyclictest743-21snmpd23:05:042
265629942,2cyclictest743-21snmpd23:45:532
265629942,2cyclictest557-21NetworkManager23:15:142
265629941,3cyclictest18296-21rm22:45:002
265629941,2cyclictest8978-21expr19:45:142
265629940,4cyclictest557-21NetworkManager00:06:252
265589943,1cyclictest0-21swapper/120:50:201
265589941,2cyclictest244-20systemd-journal23:38:301
265589940,3cyclictest20096-21apt-get00:05:111
265509942,2cyclictest717-21ntpd23:05:080
265509941,2cyclictest26027-21cut23:00:150
265509940,4cyclictest30958-21ntpq21:55:150
265509940,3cyclictest29310-21memory19:15:150
265509940,3cyclictest29024-21ntpq21:50:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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