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2026-07-24 - 10:28

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 Fri Jul 24, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15511991918,1cyclictest65850irq/126-lan21:22:111
15511991918,1cyclictest65850irq/126-lan00:15:231
15511991917,1cyclictest65850irq/126-lan20:45:141
15511991818,0cyclictest65850irq/126-lan23:15:131
15511991818,0cyclictest65850irq/126-lan20:28:481
15511991818,0cyclictest65850irq/126-lan19:35:251
15511991817,1cyclictest65850irq/126-lan23:38:001
15511991817,1cyclictest65850irq/126-lan21:00:181
15511991817,1cyclictest65850irq/126-lan19:53:411
15511991817,0cyclictest65850irq/126-lan20:00:121
15511991717,0cyclictest65850irq/126-lan20:40:181
15511991717,0cyclictest65850irq/126-lan20:30:251
15511991717,0cyclictest65850irq/126-lan20:14:561
15511991716,1cyclictest65850irq/126-lan23:45:111
15511991716,1cyclictest65850irq/126-lan23:05:171
15511991716,1cyclictest65850irq/126-lan20:15:151
15511991716,1cyclictest65850irq/126-lan00:30:351
15509991717,0cyclictest743-21snmpd00:06:580
15511991616,0cyclictest65850irq/126-lan23:30:131
15511991616,0cyclictest65850irq/126-lan23:20:251
15511991616,0cyclictest65850irq/126-lan22:45:131
15511991616,0cyclictest65850irq/126-lan21:35:191
15511991616,0cyclictest65850irq/126-lan19:30:201
15511991616,0cyclictest65850irq/126-lan19:16:101
15511991616,0cyclictest65850irq/126-lan00:10:151
15511991616,0cyclictest65850irq/126-lan00:00:121
15511991615,1cyclictest65850irq/126-lan22:15:201
15511991615,1cyclictest65850irq/126-lan22:05:141
15511991615,1cyclictest65850irq/126-lan21:25:161
15511991615,1cyclictest65850irq/126-lan20:20:011
15509991616,0cyclictest743-21snmpd23:50:580
15509991616,0cyclictest743-21snmpd23:41:570
15509991616,0cyclictest743-21snmpd23:13:120
15509991616,0cyclictest743-21snmpd21:09:470
15509991616,0cyclictest743-21snmpd21:01:310
15509991616,0cyclictest743-21snmpd20:28:460
15509991616,0cyclictest743-21snmpd20:09:420
15509991616,0cyclictest743-21snmpd19:21:350
15509991616,0cyclictest743-21snmpd19:18:350
15509991616,0cyclictest1907-21cat19:55:140
15509991616,0cyclictest14665-21cat23:05:150
15511991515,0cyclictest65850irq/126-lan23:40:141
15511991515,0cyclictest65850irq/126-lan23:10:191
15511991515,0cyclictest65850irq/126-lan22:35:121
15511991515,0cyclictest65850irq/126-lan22:30:011
15511991515,0cyclictest65850irq/126-lan22:25:111
15511991515,0cyclictest65850irq/126-lan22:02:031
15511991515,0cyclictest65850irq/126-lan21:34:251
15511991515,0cyclictest65850irq/126-lan21:05:141
15511991515,0cyclictest65850irq/126-lan20:55:171
15511991515,0cyclictest65850irq/126-lan19:45:151
15511991515,0cyclictest65850irq/126-lan00:07:391
15509991515,0cyclictest743-21snmpd23:37:300
15509991515,0cyclictest743-21snmpd21:54:150
15509991515,0cyclictest743-21snmpd21:29:270
15509991515,0cyclictest743-21snmpd00:17:340
15509991515,0cyclictest31667-21cat23:45:130
15509991515,0cyclictest16465-21cat20:30:120
15509991515,0cyclictest10640-21cat22:55:150
15511991414,0cyclictest65850irq/126-lan21:45:331
15511991414,0cyclictest65850irq/126-lan21:10:231
15511991414,0cyclictest65850irq/126-lan20:37:311
15511991414,0cyclictest65850irq/126-lan19:20:221
15511991414,0cyclictest65850irq/126-lan00:25:111
15511991413,1cyclictest65850irq/126-lan23:50:161
15511991413,1cyclictest65850irq/126-lan19:40:221
15511991313,0cyclictest65850irq/126-lan21:55:171
15511991313,0cyclictest65850irq/126-lan21:50:231
15511991313,0cyclictest65850irq/126-lan21:20:011
15511991313,0cyclictest65850irq/126-lan19:55:401
15511991313,0cyclictest65850irq/126-lan00:35:211
15511991312,1cyclictest65850irq/126-lan22:50:141
15511991312,1cyclictest65850irq/126-lan22:20:181
15511991312,1cyclictest65850irq/126-lan19:26:341
15511991312,1cyclictest65850irq/126-lan19:10:131
15511991212,0cyclictest65850irq/126-lan22:55:171
15511991212,0cyclictest65850irq/126-lan22:40:141
15511991212,0cyclictest65850irq/126-lan20:50:171
15511991111,0cyclictest743-21snmpd23:29:061
15511991111,0cyclictest65850irq/126-lan23:00:251
1551499108,2cyclictest743-21snmpd00:01:132
1551199109,1cyclictest65850irq/126-lan20:05:181
1551199109,1cyclictest65850irq/126-lan00:20:171
15511991010,0cyclictest65850irq/126-lan23:56:251
155199998,1cyclictest743-21snmpd22:45:533
155199998,1cyclictest743-21snmpd20:52:043
155199998,1cyclictest741-21lldpd23:58:193
155199998,1cyclictest741-21lldpd20:42:493
155149998,1cyclictest743-21snmpd21:12:592
155149998,1cyclictest743-21snmpd20:50:282
155149998,1cyclictest743-21snmpd19:46:482
155149998,1cyclictest741-21lldpd19:37:542
155119999,0cyclictest65850irq/126-lan22:11:261
155099999,0cyclictest741-21lldpd21:39:430
155099998,1cyclictest743-21snmpd22:36:500
155099998,1cyclictest743-21snmpd19:52:000
155099998,1cyclictest743-21snmpd19:31:500
155099998,1cyclictest743-21snmpd19:28:110
155099998,1cyclictest741-21lldpd23:33:270
155199988,0cyclictest743-21snmpd21:49:243
155199988,0cyclictest743-21snmpd20:36:493
155199988,0cyclictest743-21snmpd20:24:553
155199988,0cyclictest741-21lldpd22:18:083
155199988,0cyclictest741-21lldpd21:03:283
155199987,1cyclictest743-21snmpd22:52:563
155199986,2cyclictest743-21snmpd19:49:513
155199986,2cyclictest743-21snmpd00:26:023
155149988,0cyclictest743-21snmpd20:40:012
155149988,0cyclictest743-21snmpd20:01:122
155149988,0cyclictest743-21snmpd19:31:592
155149988,0cyclictest743-21snmpd00:35:412
155149988,0cyclictest741-21lldpd22:35:262
155149987,1cyclictest743-21snmpd23:06:382
155149987,1cyclictest743-21snmpd21:44:302
155149987,1cyclictest743-21snmpd20:32:432
155149987,1cyclictest743-21snmpd19:28:562
155149987,1cyclictest741-21lldpd22:19:342
155149987,1cyclictest741-21lldpd19:57:492
155149987,1cyclictest741-21lldpd00:17:032
155149986,2cyclictest743-21snmpd23:10:502
155149986,2cyclictest743-21snmpd20:36:402
155149986,2cyclictest743-21snmpd20:11:062
155149986,2cyclictest743-21snmpd19:50:512
155149986,2cyclictest743-21snmpd19:23:222
155149986,2cyclictest743-21snmpd19:18:472
155149985,3cyclictest743-21snmpd23:50:162
155119988,0cyclictest743-21snmpd21:43:241
155099988,0cyclictest743-21snmpd22:15:340
155099988,0cyclictest743-21snmpd21:40:180
155099988,0cyclictest743-21snmpd21:22:380
155099988,0cyclictest743-21snmpd20:56:350
155099987,1cyclictest743-21snmpd23:03:500
155099987,1cyclictest743-21snmpd20:54:440
155099987,1cyclictest743-21snmpd20:39:040
155099987,1cyclictest741-21lldpd00:27:400
155199977,0cyclictest743-21snmpd22:24:373
155199977,0cyclictest743-21snmpd21:23:263
155199977,0cyclictest741-21lldpd23:50:133
155199977,0cyclictest741-21lldpd23:13:343
155199977,0cyclictest741-21lldpd20:00:353
155199977,0cyclictest741-21lldpd19:56:373
155199977,0cyclictest741-21lldpd00:36:293
155199977,0cyclictest741-21lldpd00:30:113
155199977,0cyclictest741-21lldpd00:17:393
155199976,1cyclictest743-21snmpd22:41:473
155199976,1cyclictest743-21snmpd00:21:353
155199975,2cyclictest743-21snmpd23:39:543
155199975,2cyclictest743-21snmpd23:20:243
155199975,2cyclictest743-21snmpd22:07:313
155199975,2cyclictest743-21snmpd21:35:483
155199975,2cyclictest743-21snmpd19:51:123
155199973,3cyclictest2654-21ntp_states21:15:193
155149977,0cyclictest743-21snmpd21:00:202
155149977,0cyclictest743-21snmpd00:34:562
155149977,0cyclictest743-21snmpd00:11:102
155149977,0cyclictest741-21lldpd23:21:122
155149977,0cyclictest741-21lldpd22:50:562
155149977,0cyclictest741-21lldpd22:21:302
155149976,1cyclictest743-21snmpd23:49:492
155149976,1cyclictest743-21snmpd23:18:182
155149976,1cyclictest743-21snmpd23:01:322
155149976,1cyclictest743-21snmpd21:25:172
155149976,1cyclictest743-21snmpd20:45:102
155149976,1cyclictest743-21snmpd20:05:062
155149975,2cyclictest743-21snmpd23:35:432
155149975,2cyclictest743-21snmpd22:48:502
155149975,2cyclictest743-21snmpd21:46:032
155149975,2cyclictest743-21snmpd21:20:442
155149975,2cyclictest743-21snmpd20:16:392
155149975,2cyclictest743-21snmpd19:13:342
155099977,0cyclictest741-21lldpd22:25:480
155099977,0cyclictest741-21lldpd22:05:050
155099977,0cyclictest741-21lldpd21:56:090
155099977,0cyclictest741-21lldpd20:12:070
155099977,0cyclictest741-21lldpd00:21:010
155099976,1cyclictest743-21snmpd23:23:420
155099976,1cyclictest741-21lldpd22:34:040
155099976,1cyclictest741-21lldpd00:33:250
155099976,1cyclictest522-21avahi-daemon22:02:200
155099975,2cyclictest743-21snmpd21:17:400
155099975,2cyclictest717-21ntpd21:30:110
155099974,3cyclictest557-21NetworkManager22:20:170
155099972,4cyclictest11803-21cat20:20:000
155199966,0cyclictest743-21snmpd23:01:023
155199966,0cyclictest743-21snmpd19:24:133
155199966,0cyclictest741-21lldpd23:19:243
155199966,0cyclictest741-21lldpd21:06:383
155199966,0cyclictest741-21lldpd19:40:133
155199966,0cyclictest741-21lldpd00:02:253
155199965,1cyclictest743-21snmpd22:29:163
155199964,2cyclictest743-21snmpd22:55:023
155199964,2cyclictest743-21snmpd22:13:493
155199964,2cyclictest743-21snmpd21:32:423
155199963,3cyclictest557-21NetworkManager20:15:173
155199963,2cyclictest717-21ntpd19:35:163
155199963,2cyclictest244-20systemd-journal22:00:133
155149966,0cyclictest743-21snmpd22:58:292
155149966,0cyclictest743-21snmpd20:24:372
155149966,0cyclictest741-21lldpd22:01:132
155149966,0cyclictest741-21lldpd21:31:082
155149966,0cyclictest741-21lldpd00:07:572
155149965,1cyclictest743-21snmpd23:58:192
155149965,1cyclictest743-21snmpd21:57:392
155149964,2cyclictest743-21snmpd21:50:062
155149963,3cyclictest27490-21sshd20:55:252
155149960,2cyclictest12047-21sh21:40:002
155099966,0cyclictest741-21lldpd23:58:390
155099965,1cyclictest31914-21turbostat21:14:550
155099964,2cyclictest743-21snmpd21:49:390
155099964,2cyclictest743-21snmpd20:49:340
155099964,2cyclictest743-21snmpd00:12:380
155099963,2cyclictest5511-21users22:40:210
155199955,0cyclictest743-21snmpd19:16:593
155199955,0cyclictest741-21lldpd23:48:193
155199955,0cyclictest5922-21cpuspeed_turbos21:25:123
155199955,0cyclictest522-21avahi-daemon22:35:073
155199955,0cyclictest522-21avahi-daemon21:51:303
155199955,0cyclictest522-21avahi-daemon20:49:473
155199955,0cyclictest522-21avahi-daemon19:10:063
155199955,0cyclictest522-21avahi-daemon00:10:023
155199954,1cyclictest32386-21fschecks_count21:10:143
155199954,1cyclictest16462-21cat20:30:123
155199952,3cyclictest506-21systemd-resolve20:07:093
155199952,2cyclictest8169-21ld00:05:193
155199952,2cyclictest681-21wc22:30:153
155199952,2cyclictest244-20systemd-journal23:30:263
155149954,1cyclictest743-21snmpd23:27:152
155149954,1cyclictest14676-21needreboot20:25:142
155149953,2cyclictest743-21snmpd19:44:442
155149953,2cyclictest24333-21apt-get23:30:112
155149952,3cyclictest557-21NetworkManager22:12:462
155149952,3cyclictest29732-21sed23:40:192
155149952,3cyclictest0-21swapper/221:05:142
155149952,2cyclictest244-20systemd-journal22:43:232
155149950,4cyclictest16167-21ntpq00:25:162
155149950,4cyclictest14260-21ntp_states00:20:182
155099954,1cyclictest244-20systemd-journal19:45:080
155099954,1cyclictest20348-21fschecks_time20:40:140
155099953,2cyclictest743-21snmpd19:35:050
155099953,2cyclictest5317-21cups-browsed00:00:070
155099953,2cyclictest29599-21dump-pmu-power19:45:000
155099952,3cyclictest743-21snmpd23:28:420
155099951,3cyclictest9228-21grep22:50:210
155099951,3cyclictest4823-21sed20:00:220
155099951,3cyclictest12521-21sed20:20:120
155199944,0cyclictest741-21lldpd23:42:553
155199942,2cyclictest26243-21cut20:55:133
155199942,2cyclictest19140-21ntpq21:55:173
155199942,2cyclictest12780-21cat21:40:163
155199941,2cyclictest23774-21acpi19:30:113
155199941,2cyclictest22312-21cat23:25:103
155199941,2cyclictest14634-21ls23:05:143
155199940,3cyclictest8230-21ntp_192.168.11420:10:153
155199940,3cyclictest21933-21df19:25:133
155149942,2cyclictest743-21snmpd22:26:192
155149942,2cyclictest1931-21expr21:15:132
155149940,3cyclictest22683-21perl22:05:142
155099943,1cyclictest743-21snmpd19:10:070
155099942,2cyclictest19896-21cat00:35:140
155099941,2cyclictest7028-21collect222:45:180
155099941,2cyclictest18591-21grep23:15:120
155099940,2cyclictest24638-21sort22:10:130
155199930,3cyclictest14307-21/usr/sbin/munin20:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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