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2026-04-05 - 10:29

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 Sun Apr 05, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11670991918,1cyclictest65850irq/126-lan00:28:201
11670991818,0cyclictest9799-21cat21:40:131
11670991818,0cyclictest743-21snmpd20:37:491
11670991818,0cyclictest743-21snmpd20:07:001
11670991818,0cyclictest65850irq/126-lan22:36:541
11670991818,0cyclictest65850irq/126-lan22:27:291
11670991818,0cyclictest65850irq/126-lan20:55:191
11670991818,0cyclictest65850irq/126-lan20:50:141
11670991818,0cyclictest65850irq/126-lan19:21:271
11670991818,0cyclictest22797-21cat19:35:131
11670991817,1cyclictest743-21snmpd21:38:251
11670991717,0cyclictest743-21snmpd20:34:071
11670991717,0cyclictest65850irq/126-lan23:05:201
11670991717,0cyclictest65850irq/126-lan23:00:451
11670991717,0cyclictest65850irq/126-lan22:57:421
11670991717,0cyclictest65850irq/126-lan21:30:211
11670991717,0cyclictest65850irq/126-lan21:24:021
11670991717,0cyclictest65850irq/126-lan21:15:161
11670991717,0cyclictest65850irq/126-lan20:04:451
11670991717,0cyclictest65850irq/126-lan19:50:331
11670991717,0cyclictest65850irq/126-lan19:13:311
11670991717,0cyclictest65850irq/126-lan00:05:581
11670991717,0cyclictest65850irq/126-lan00:00:121
11670991717,0cyclictest30317-21cat23:50:161
11670991717,0cyclictest16182-21cat23:15:131
11670991716,1cyclictest65850irq/126-lan23:24:121
11670991716,1cyclictest65850irq/126-lan20:45:151
11670991716,1cyclictest65850irq/126-lan00:10:171
11670991616,0cyclictest743-21snmpd22:32:331
11670991616,0cyclictest65850irq/126-lan22:44:011
11670991616,0cyclictest65850irq/126-lan22:24:361
11670991616,0cyclictest65850irq/126-lan22:05:131
11670991616,0cyclictest65850irq/126-lan21:55:161
11670991616,0cyclictest65850irq/126-lan21:50:041
11670991616,0cyclictest65850irq/126-lan21:25:431
11670991616,0cyclictest65850irq/126-lan19:45:121
11670991616,0cyclictest65850irq/126-lan19:42:021
11670991616,0cyclictest6076-21cat22:50:151
11670991615,1cyclictest65850irq/126-lan20:10:171
11670991615,1cyclictest65850irq/126-lan00:30:141
11675991515,0cyclictest743-21snmpd23:14:102
11675991515,0cyclictest743-21snmpd23:05:102
11675991515,0cyclictest743-21snmpd21:06:592
11675991515,0cyclictest743-21snmpd19:56:062
11675991515,0cyclictest743-21snmpd19:22:352
11675991515,0cyclictest5867-21cat20:10:142
11670991515,0cyclictest65850irq/126-lan21:07:451
11670991515,0cyclictest65850irq/126-lan19:34:021
11670991515,0cyclictest65850irq/126-lan00:15:121
11675991414,0cyclictest743-21snmpd23:36:422
11675991414,0cyclictest743-21snmpd20:33:492
11675991414,0cyclictest743-21snmpd20:01:032
11675991414,0cyclictest743-21snmpd00:00:362
11675991414,0cyclictest6004-21cat00:10:132
11675991414,0cyclictest32415-21cat22:35:142
11670991414,0cyclictest65850irq/126-lan23:55:111
11670991414,0cyclictest65850irq/126-lan22:47:031
11670991414,0cyclictest65850irq/126-lan20:24:451
11670991414,0cyclictest65850irq/126-lan19:18:011
11670991414,0cyclictest65850irq/126-lan00:35:171
11670991413,1cyclictest65850irq/126-lan22:10:271
11675991313,0cyclictest8087-21cat22:55:132
11675991313,0cyclictest743-21snmpd23:58:002
11675991313,0cyclictest743-21snmpd23:04:312
11675991313,0cyclictest743-21snmpd22:26:292
11675991313,0cyclictest743-21snmpd21:32:012
11675991313,0cyclictest743-21snmpd21:18:092
11675991313,0cyclictest743-21snmpd20:07:332
11675991313,0cyclictest743-21snmpd00:15:422
11675991313,0cyclictest17981-21cat20:40:122
11670991313,0cyclictest65850irq/126-lan23:40:131
11670991313,0cyclictest65850irq/126-lan20:28:451
11670991313,0cyclictest65850irq/126-lan00:22:491
11670991312,1cyclictest65850irq/126-lan23:47:411
11670991312,1cyclictest65850irq/126-lan23:37:411
11670991312,1cyclictest65850irq/126-lan23:10:211
11670991312,1cyclictest65850irq/126-lan19:25:101
11675991212,0cyclictest16515-21cat00:35:132
11670991212,0cyclictest65850irq/126-lan22:15:001
11670991212,0cyclictest65850irq/126-lan19:55:171
11670991111,0cyclictest65850irq/126-lan23:30:171
11670991111,0cyclictest65850irq/126-lan22:00:581
11670991010,0cyclictest65850irq/126-lan21:45:171
116799998,1cyclictest743-21snmpd19:24:113
116799998,1cyclictest743-21snmpd19:16:443
116799998,1cyclictest743-21snmpd00:35:533
116799998,1cyclictest741-21lldpd19:33:123
116759998,1cyclictest743-21snmpd23:52:032
116759998,1cyclictest741-21lldpd22:50:242
116759998,1cyclictest741-21lldpd00:20:222
116709999,0cyclictest65850irq/126-lan21:10:181
116709999,0cyclictest65850irq/126-lan21:00:191
116799988,0cyclictest743-21snmpd23:12:073
116799988,0cyclictest743-21snmpd23:04:583
116799988,0cyclictest743-21snmpd21:44:583
116799988,0cyclictest741-21lldpd23:27:023
116799988,0cyclictest741-21lldpd22:46:293
116799988,0cyclictest741-21lldpd20:45:433
116799987,1cyclictest743-21snmpd19:54:483
116799987,1cyclictest743-21snmpd00:31:463
116799987,1cyclictest741-21lldpd23:24:043
116799987,1cyclictest741-21lldpd20:21:473
116799987,1cyclictest522-21avahi-daemon21:02:073
116799986,2cyclictest743-21snmpd23:30:113
116799986,2cyclictest743-21snmpd21:47:593
116799986,2cyclictest743-21snmpd20:51:533
116759988,0cyclictest743-21snmpd23:42:262
116759988,0cyclictest743-21snmpd21:47:292
116759988,0cyclictest743-21snmpd19:42:562
116759988,0cyclictest741-21lldpd20:21:552
116759986,2cyclictest743-21snmpd23:21:022
116709987,1cyclictest65850irq/126-lan23:25:131
116659988,0cyclictest743-21snmpd22:14:470
116659988,0cyclictest743-21snmpd21:33:570
116659988,0cyclictest743-21snmpd20:55:110
116659988,0cyclictest743-21snmpd20:29:100
116659988,0cyclictest741-21lldpd22:59:590
116659988,0cyclictest741-21lldpd19:53:170
116659988,0cyclictest741-21lldpd00:29:220
116659987,1cyclictest743-21snmpd21:52:460
116659987,1cyclictest741-21lldpd19:26:120
116659986,2cyclictest743-21snmpd19:38:470
116799977,0cyclictest743-21snmpd23:56:113
116799977,0cyclictest743-21snmpd23:35:483
116799977,0cyclictest743-21snmpd23:05:163
116799977,0cyclictest743-21snmpd22:55:183
116799977,0cyclictest743-21snmpd22:10:413
116799977,0cyclictest743-21snmpd21:36:283
116799977,0cyclictest743-21snmpd00:19:153
116799977,0cyclictest741-21lldpd21:26:223
116799977,0cyclictest741-21lldpd20:25:093
116799976,1cyclictest743-21snmpd21:51:553
116799976,1cyclictest743-21snmpd20:41:353
116799976,1cyclictest743-21snmpd20:18:493
116799976,1cyclictest743-21snmpd19:27:533
116799976,1cyclictest743-21snmpd19:13:283
116799976,1cyclictest743-21snmpd00:20:043
116799976,1cyclictest522-21avahi-daemon23:17:273
116799975,2cyclictest743-21snmpd22:51:213
116799975,2cyclictest743-21snmpd21:14:363
116799975,2cyclictest743-21snmpd20:39:083
116799975,2cyclictest1955-21grep22:40:133
116799973,3cyclictest24441-21ntp_states20:55:173
116759977,0cyclictest743-21snmpd22:14:442
116759977,0cyclictest743-21snmpd22:09:532
116759977,0cyclictest743-21snmpd00:26:222
116759977,0cyclictest741-21lldpd23:19:022
116759977,0cyclictest741-21lldpd22:47:292
116759977,0cyclictest741-21lldpd20:16:032
116759976,1cyclictest743-21snmpd19:13:072
116759975,2cyclictest743-21snmpd20:58:502
116759973,3cyclictest3475-21df_inode21:25:122
116709977,0cyclictest65850irq/126-lan20:17:021
116659977,0cyclictest743-21snmpd23:57:060
116659977,0cyclictest743-21snmpd22:04:350
116659977,0cyclictest743-21snmpd20:52:380
116659977,0cyclictest743-21snmpd19:59:150
116659977,0cyclictest743-21snmpd19:40:230
116659977,0cyclictest741-21lldpd23:41:020
116659977,0cyclictest522-21avahi-daemon22:22:590
116659976,1cyclictest743-21snmpd21:03:210
116659976,1cyclictest741-21lldpd00:00:100
116659976,1cyclictest13580-21cpuspeed_turbos20:30:140
116659975,2cyclictest7856-21cat20:15:130
116659975,2cyclictest743-21snmpd23:24:430
116659975,2cyclictest743-21snmpd22:48:330
116659975,2cyclictest743-21snmpd20:23:190
116659975,2cyclictest743-21snmpd19:13:520
116659975,2cyclictest743-21snmpd00:17:480
116659973,3cyclictest6483-21ntp_states22:50:180
116799966,0cyclictest743-21snmpd23:46:263
116799966,0cyclictest743-21snmpd22:28:263
116799966,0cyclictest743-21snmpd20:01:303
116799966,0cyclictest741-21lldpd20:14:113
116799966,0cyclictest522-21avahi-daemon00:00:253
116799965,1cyclictest743-21snmpd19:55:333
116799965,1cyclictest741-21lldpd22:21:113
116799965,1cyclictest1378-21cpuspeed_turbos21:20:113
116799964,2cyclictest743-21snmpd23:52:453
116799964,2cyclictest743-21snmpd22:04:543
116799964,2cyclictest743-21snmpd21:06:203
116799964,2cyclictest743-21snmpd00:07:283
116759966,0cyclictest741-21lldpd22:41:532
116759966,0cyclictest741-21lldpd21:43:182
116759965,1cyclictest743-21snmpd19:52:452
116759965,1cyclictest17523-21cpuspeed_turbos22:00:132
116759964,2cyclictest743-21snmpd19:37:262
116759964,1cyclictest191rcu_preempt22:30:152
116759963,3cyclictest21798-21apt-get23:30:112
116759961,3cyclictest20272-21ldconfig20:45:162
116709964,2cyclictest743-21snmpd20:40:261
116659966,0cyclictest743-21snmpd23:31:530
116659966,0cyclictest743-21snmpd23:25:370
116659966,0cyclictest743-21snmpd22:18:050
116659966,0cyclictest743-21snmpd20:43:230
116659966,0cyclictest741-21lldpd22:25:290
116659966,0cyclictest741-21lldpd21:13:560
116659966,0cyclictest741-21lldpd19:33:520
116659966,0cyclictest741-21lldpd19:21:160
116659966,0cyclictest522-21avahi-daemon23:06:550
116659965,1cyclictest743-21snmpd23:38:260
116659965,1cyclictest1700-21cpuspeed_turbos22:40:110
116659964,2cyclictest743-21snmpd23:54:560
116659963,2cyclictest244-20systemd-journal22:30:520
116659962,3cyclictest2447-21sshd20:01:450
116799955,0cyclictest743-21snmpd22:37:093
116799955,0cyclictest743-21snmpd22:06:323
116799954,1cyclictest743-21snmpd19:45:423
116799954,1cyclictest743-21snmpd19:35:083
116799954,1cyclictest12142-21cpuspeed_turbos00:25:113
116799953,2cyclictest743-21snmpd22:17:453
116799953,2cyclictest743-21snmpd21:56:493
116799953,2cyclictest743-21snmpd00:14:093
116799952,3cyclictest557-21NetworkManager21:16:073
116799952,3cyclictest13803-21fw_packets20:30:143
116799952,2cyclictest575-21rs:main3
116759955,0cyclictest522-21avahi-daemon21:14:152
116759953,2cyclictest743-21snmpd19:32:472
116759953,2cyclictest743-21snmpd00:30:012
116759952,2cyclictest7894-21memory21:35:152
116759952,2cyclictest244-20systemd-journal21:24:112
116759952,2cyclictest244-20systemd-journal20:38:242
116759952,2cyclictest12867-21seq20:25:312
116759952,1cyclictest191rcu_preempt23:27:432
116759951,3cyclictest3830-21perl00:05:142
116759950,4cyclictest16237-21ntp_offset21:55:162
116759950,2cyclictest14039-21base6419:15:002
116759950,2cyclictest0-21swapper/221:01:422
116659955,0cyclictest741-21lldpd21:40:060
116659955,0cyclictest741-21lldpd20:37:330
116659955,0cyclictest19944-21gltestperf20:45:150
116659955,0cyclictest0-21swapper/000:35:000
116659954,1cyclictest743-21snmpd23:47:080
116659954,1cyclictest743-21snmpd20:06:300
116659954,1cyclictest522-21avahi-daemon19:17:010
116659953,2cyclictest743-21snmpd22:05:140
116659953,2cyclictest557-21NetworkManager00:35:020
116659953,2cyclictest1349-21pluginstate22:40:010
116659952,3cyclictest5868-21fw_forwarded_lo00:10:130
116659952,3cyclictest557-21NetworkManager00:21:020
116659952,3cyclictest26994-21df19:45:110
116659952,3cyclictest1599-21fw_packets21:20:130
116659952,3cyclictest12291-21pluginstate21:45:170
116659952,2cyclictest3413-21cut21:25:120
116659952,2cyclictest17330-21cat22:00:000
116659951,3cyclictest27975-21grep21:05:140
116659951,3cyclictest244-20systemd-journal00:05:170
116659950,4cyclictest10504-21ntpq23:00:170
116799941,2cyclictest6457-21cat21:30:223
116799940,4cyclictest3442-21irqstats20:05:163
116799940,4cyclictest29973-21apt-get22:30:113
116799940,3cyclictest25542-21ntpq19:40:163
116759943,1cyclictest717-21ntpd20:50:102
116759942,2cyclictest717-21ntpd21:50:112
116759942,2cyclictest717-21ntpd19:25:012
116759941,2cyclictest26570-21sh19:45:002
116759941,2cyclictest26568-21uname22:20:142
116759940,3cyclictest24609-21ntp_192.168.11422:15:152
116759940,1cyclictest27981-21tr23:45:122
116659943,1cyclictest15810-21cpuspeed_turbos23:15:100
116659942,2cyclictest5677-21grep20:10:120
116659941,2cyclictest7564-21tune2fs21:35:130
116659941,2cyclictest31964-21tail21:15:140
116659941,2cyclictest13897-21cat23:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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