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2026-06-02 - 04:05

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 Tue Jun 02, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20757993434,0cyclictest12707-21fwupd21:28:413
20757991818,0cyclictest743-21snmpd20:59:123
20757991818,0cyclictest65850irq/126-lan23:30:213
20757991818,0cyclictest65850irq/126-lan23:07:123
20757991818,0cyclictest65850irq/126-lan00:25:153
20747991817,1cyclictest65850irq/126-lan20:00:151
20757991717,0cyclictest7696-21cat23:55:153
20757991717,0cyclictest743-21snmpd22:17:443
20757991717,0cyclictest743-21snmpd21:56:233
20757991717,0cyclictest743-21snmpd21:17:583
20757991717,0cyclictest743-21snmpd00:31:473
20757991717,0cyclictest65850irq/126-lan22:35:003
20757991717,0cyclictest65850irq/126-lan00:15:143
20757991717,0cyclictest23368-21cat19:15:133
20757991717,0cyclictest11611-21cat20:05:133
20757991716,1cyclictest743-21snmpd19:37:033
20757991716,1cyclictest65850irq/126-lan00:01:073
20747991717,0cyclictest65850irq/126-lan20:05:161
20747991717,0cyclictest65850irq/126-lan19:55:181
20747991716,1cyclictest65850irq/126-lan22:00:161
20747991716,1cyclictest65850irq/126-lan20:15:151
20747991716,1cyclictest65850irq/126-lan19:50:001
20757991616,0cyclictest743-21snmpd23:23:143
20757991616,0cyclictest743-21snmpd21:14:483
20757991616,0cyclictest743-21snmpd19:34:213
20757991616,0cyclictest65850irq/126-lan23:45:233
20757991616,0cyclictest65850irq/126-lan23:02:593
20757991616,0cyclictest65850irq/126-lan00:10:153
20747991616,0cyclictest65850irq/126-lan22:06:041
20747991616,0cyclictest65850irq/126-lan21:50:151
20747991616,0cyclictest65850irq/126-lan20:45:151
20747991615,1cyclictest65850irq/126-lan21:05:191
20747991615,1cyclictest65850irq/126-lan20:25:101
20747991615,1cyclictest65850irq/126-lan19:35:171
20757991515,0cyclictest65850irq/126-lan23:17:233
20757991515,0cyclictest65850irq/126-lan23:10:143
20757991515,0cyclictest65850irq/126-lan22:20:593
20757991515,0cyclictest65850irq/126-lan22:10:363
20757991515,0cyclictest65850irq/126-lan00:35:113
20757991515,0cyclictest65850irq/126-lan00:08:153
20757991514,1cyclictest65850irq/126-lan22:25:193
20747991515,0cyclictest65850irq/126-lan21:40:171
20747991514,1cyclictest65850irq/126-lan21:30:111
20757991414,0cyclictest65850irq/126-lan23:40:073
20757991414,0cyclictest65850irq/126-lan22:57:533
20747991414,0cyclictest65850irq/126-lan21:35:131
20747991414,0cyclictest65850irq/126-lan19:20:131
20747991413,1cyclictest65850irq/126-lan21:20:151
20747991413,1cyclictest65850irq/126-lan20:10:281
20747991413,1cyclictest65850irq/126-lan19:30:131
20747991413,1cyclictest65850irq/126-lan19:15:111
20757991313,0cyclictest65850irq/126-lan22:43:273
20757991313,0cyclictest65850irq/126-lan22:43:263
20757991313,0cyclictest65850irq/126-lan22:37:473
20757991313,0cyclictest65850irq/126-lan22:37:473
20747991313,0cyclictest65850irq/126-lan21:55:171
20747991313,0cyclictest65850irq/126-lan21:45:141
20747991313,0cyclictest65850irq/126-lan19:10:251
20747991312,1cyclictest65850irq/126-lan21:15:161
20747991312,1cyclictest65850irq/126-lan20:20:141
20757991212,0cyclictest65850irq/126-lan23:50:193
20757991212,0cyclictest65850irq/126-lan23:25:213
20757991212,0cyclictest65850irq/126-lan22:50:213
20757991212,0cyclictest65850irq/126-lan22:45:023
20757991212,0cyclictest65850irq/126-lan00:23:243
20747991212,0cyclictest65850irq/126-lan22:10:111
20747991212,0cyclictest65850irq/126-lan21:25:131
20747991212,0cyclictest65850irq/126-lan19:45:221
20747991212,0cyclictest65850irq/126-lan19:25:111
20747991211,1cyclictest65850irq/126-lan20:55:181
20747991211,1cyclictest65850irq/126-lan20:45:001
20747991211,1cyclictest65850irq/126-lan20:35:121
20757991111,0cyclictest65850irq/126-lan23:35:213
20747991111,0cyclictest65850irq/126-lan19:40:131
20747991010,0cyclictest65850irq/126-lan21:10:161
207579998,1cyclictest743-21snmpd20:33:263
207529998,1cyclictest743-21snmpd22:19:322
207529998,1cyclictest743-21snmpd22:14:112
207529998,1cyclictest506-21systemd-resolve23:55:232
207479999,0cyclictest65850irq/126-lan20:30:171
207479998,1cyclictest743-21snmpd22:37:521
207479998,1cyclictest743-21snmpd22:37:511
207479998,1cyclictest65850irq/126-lan21:00:131
207439998,1cyclictest743-21snmpd22:27:120
207579987,1cyclictest743-21snmpd19:12:573
207529988,0cyclictest743-21snmpd23:14:232
207529988,0cyclictest741-21lldpd23:54:442
207529988,0cyclictest741-21lldpd22:34:582
207529988,0cyclictest741-21lldpd22:00:062
207529988,0cyclictest741-21lldpd20:24:012
207529987,1cyclictest743-21snmpd23:27:202
207529987,1cyclictest743-21snmpd22:51:402
207529987,1cyclictest743-21snmpd20:38:292
207529987,1cyclictest743-21snmpd00:02:372
207529987,1cyclictest741-21lldpd20:13:082
207529987,1cyclictest741-21lldpd19:47:022
207529987,1cyclictest741-21lldpd19:22:582
207529987,1cyclictest5091-21sh22:30:002
207529986,2cyclictest743-21snmpd22:21:362
207529986,2cyclictest743-21snmpd21:58:142
207529986,2cyclictest743-21snmpd20:50:142
207529986,2cyclictest743-21snmpd19:28:482
207529986,2cyclictest743-21snmpd00:27:492
207529985,2cyclictest16234-21cat00:15:162
207479988,0cyclictest743-21snmpd22:25:151
207479988,0cyclictest741-21lldpd22:40:091
207479988,0cyclictest741-21lldpd22:40:091
207479988,0cyclictest741-21lldpd22:23:411
207479988,0cyclictest741-21lldpd00:30:091
207479988,0cyclictest741-21lldpd00:05:321
207479986,2cyclictest743-21snmpd23:02:281
207479986,2cyclictest743-21snmpd22:53:101
207439988,0cyclictest743-21snmpd22:20:300
207439988,0cyclictest743-21snmpd20:57:570
207439988,0cyclictest743-21snmpd20:16:190
207439988,0cyclictest741-21lldpd23:22:170
207439988,0cyclictest741-21lldpd23:19:480
207439987,1cyclictest743-21snmpd23:54:300
207439987,1cyclictest743-21snmpd23:43:450
207439987,1cyclictest743-21snmpd21:31:250
207439987,1cyclictest743-21snmpd20:45:530
207439987,1cyclictest741-21lldpd22:10:280
207439986,2cyclictest743-21snmpd21:42:520
207439986,2cyclictest743-21snmpd21:01:270
207439986,2cyclictest743-21snmpd19:46:550
207439986,2cyclictest743-21snmpd19:30:390
207439986,2cyclictest743-21snmpd00:00:420
207579977,0cyclictest743-21snmpd19:54:103
207579976,1cyclictest743-21snmpd22:04:173
207579976,1cyclictest575-21rs:main3
207579976,1cyclictest27653-21gltestperf20:45:153
207579975,2cyclictest743-21snmpd21:09:183
207579975,2cyclictest743-21snmpd21:00:483
207579975,2cyclictest743-21snmpd19:56:463
207579975,2cyclictest743-21snmpd19:44:373
207529977,0cyclictest743-21snmpd20:34:352
207529977,0cyclictest743-21snmpd19:18:272
207529977,0cyclictest743-21snmpd19:10:092
207529977,0cyclictest741-21lldpd21:39:402
207529977,0cyclictest741-21lldpd20:06:522
207529977,0cyclictest506-21systemd-resolve22:42:272
207529977,0cyclictest506-21systemd-resolve22:42:262
207529976,1cyclictest743-21snmpd21:46:132
207529976,1cyclictest743-21snmpd20:41:472
207529976,1cyclictest522-21avahi-daemon23:32:582
207529975,2cyclictest743-21snmpd22:56:412
207529975,2cyclictest743-21snmpd20:26:292
207529975,2cyclictest743-21snmpd20:02:222
207529975,2cyclictest743-21snmpd19:53:282
207529975,2cyclictest743-21snmpd19:42:462
207529975,2cyclictest743-21snmpd00:07:552
207529973,3cyclictest19180-21users00:20:222
207479977,0cyclictest743-21snmpd23:15:351
207479977,0cyclictest741-21lldpd23:44:371
207479977,0cyclictest741-21lldpd22:17:321
207479977,0cyclictest741-21lldpd00:27:221
207479976,1cyclictest743-21snmpd00:20:251
207479976,1cyclictest65850irq/126-lan20:50:161
207479976,1cyclictest522-21avahi-daemon00:10:171
207439977,0cyclictest743-21snmpd23:28:050
207439977,0cyclictest743-21snmpd23:09:160
207439977,0cyclictest743-21snmpd22:07:570
207439977,0cyclictest743-21snmpd20:41:140
207439977,0cyclictest743-21snmpd20:20:050
207439977,0cyclictest741-21lldpd00:21:040
207439976,1cyclictest743-21snmpd20:32:410
207439976,1cyclictest743-21snmpd00:35:140
207439976,1cyclictest741-21lldpd21:15:450
207439976,1cyclictest741-21lldpd21:10:030
207439976,1cyclictest522-21avahi-daemon23:35:260
207439976,1cyclictest522-21avahi-daemon19:42:350
207439973,3cyclictest24132-21ps21:55:180
207579966,0cyclictest741-21lldpd21:45:053
207579966,0cyclictest741-21lldpd21:30:493
207579966,0cyclictest741-21lldpd20:15:023
207579966,0cyclictest506-21systemd-resolve21:42:413
207579966,0cyclictest0-21swapper/321:50:123
207579965,1cyclictest743-21snmpd20:43:443
207579964,2cyclictest743-21snmpd20:51:593
207579964,2cyclictest743-21snmpd19:48:073
207579963,3cyclictest557-21NetworkManager20:25:103
207529966,0cyclictest743-21snmpd21:05:422
207529966,0cyclictest741-21lldpd22:05:462
207529966,0cyclictest741-21lldpd00:31:432
207529966,0cyclictest522-21avahi-daemon21:51:192
207529966,0cyclictest522-21avahi-daemon21:14:422
207529965,1cyclictest743-21snmpd20:16:342
207529965,1cyclictest743-21snmpd00:13:012
207529965,1cyclictest573-21in:imuxsock20:45:062
207529964,2cyclictest743-21snmpd22:47:522
207529964,2cyclictest743-21snmpd19:58:192
207529963,3cyclictest743-21snmpd23:37:532
207529963,3cyclictest1398-21diskstats23:40:112
207479966,0cyclictest743-21snmpd23:13:461
207479966,0cyclictest741-21lldpd23:29:411
207479965,1cyclictest743-21snmpd23:20:231
207479965,1cyclictest743-21snmpd23:08:401
207479964,2cyclictest743-21snmpd23:31:091
207479962,3cyclictest6739-21seq23:51:511
207439966,0cyclictest743-21snmpd22:59:010
207439966,0cyclictest743-21snmpd20:27:140
207439966,0cyclictest743-21snmpd19:25:450
207439966,0cyclictest741-21lldpd23:33:000
207439966,0cyclictest741-21lldpd23:01:030
207439966,0cyclictest741-21lldpd22:49:250
207439966,0cyclictest522-21avahi-daemon20:14:330
207439966,0cyclictest522-21avahi-daemon19:24:130
207439965,1cyclictest522-21avahi-daemon20:04:550
207439964,2cyclictest743-21snmpd22:16:350
207439964,2cyclictest743-21snmpd21:05:390
207439964,2cyclictest743-21snmpd19:10:120
207439964,2cyclictest743-21snmpd00:28:220
207439963,3cyclictest21171-21apt-get21:50:120
207439962,3cyclictest24126-21sed19:15:200
207439962,3cyclictest15403-21fw_forwarded_lo21:35:130
207579953,2cyclictest743-21snmpd21:35:583
207579952,2cyclictest717-21ntpd21:20:163
207579952,2cyclictest244-20systemd-journal22:05:353
207529955,0cyclictest743-21snmpd21:22:422
207529954,1cyclictest741-21lldpd21:29:022
207529954,1cyclictest7360-21gltestperf21:15:162
207529953,2cyclictest743-21snmpd23:21:502
207529953,2cyclictest743-21snmpd23:19:472
207529953,2cyclictest743-21snmpd21:03:362
207529953,2cyclictest743-21snmpd20:57:092
207529952,3cyclictest29164-21df19:30:122
207529952,3cyclictest19910-21cat23:05:152
207529952,2cyclictest7902-21cat22:35:162
207529952,2cyclictest7902-21cat22:35:152
207529951,3cyclictest244-20systemd-journal00:37:372
207529951,3cyclictest14019-21sed21:30:162
207479954,1cyclictest522-21avahi-daemon23:56:231
207479953,1cyclictest24594-21grep00:35:121
207479952,3cyclictest557-21NetworkManager22:56:421
207479952,3cyclictest15360-21sort00:15:001
207479952,2cyclictest10205-21tr00:00:181
207479951,3cyclictest3413-21diskstats23:45:151
207479951,3cyclictest11704-21fw_forwarded_lo22:45:141
207439954,1cyclictest0-21swapper/020:05:130
207439953,2cyclictest9147-21tr21:20:120
207439953,2cyclictest743-21snmpd22:53:040
207439953,2cyclictest743-21snmpd22:35:570
207439953,2cyclictest743-21snmpd22:35:570
207439953,2cyclictest22706-21cat00:30:140
207439953,2cyclictest0-21swapper/022:35:000
207439952,2cyclictest25707-21wc22:00:140
207439952,2cyclictest23554-21fschecks_time20:35:130
207439952,2cyclictest14303-21grep00:10:190
207439952,2cyclictest12182-21wc21:25:210
207439951,3cyclictest30114-21ld20:50:150
207579943,1cyclictest27063-21cpuspeed_turbos19:25:113
207579942,2cyclictest25290-21head19:20:133
207579941,2cyclictest8786-21wc20:00:123
207579940,4cyclictest17994-21ntpq20:20:173
207579940,2cyclictest24227-21grep20:35:193
207529942,2cyclictest743-21snmpd19:39:162
207529942,2cyclictest557-21NetworkManager21:42:292
207529941,2cyclictest4589-21grep23:45:242
207529941,2cyclictest18838-21sshd23:00:252
207479942,2cyclictest32021-21cat23:35:151
207479941,2cyclictest6187-21ntpq22:30:181
207439944,0cyclictest522-21avahi-daemon23:10:100
207439942,2cyclictest9723-21grep22:40:140
207439942,2cyclictest9723-21grep22:40:140
207439942,2cyclictest743-21snmpd00:19:580
207439942,2cyclictest4886-21tune2fs19:50:140
207439942,2cyclictest11367-21grep00:05:110
207439941,2cyclictest31095-21ls19:35:120
207439940,4cyclictest8056-21ntpq23:55:170
207439940,3cyclictest6991-21fw_forwarded_lo19:55:130
207439940,3cyclictest4080-21ntp_states23:45:200
207439940,3cyclictest20190-21grep21:45:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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