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2026-08-05 - 14:03

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 Wed Aug 05, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6070992017,3cyclictest65850irq/126-lan19:45:150
6070991917,2cyclictest65850irq/126-lan23:24:110
6070991917,2cyclictest65850irq/126-lan19:41:150
6070991818,0cyclictest65850irq/126-lan22:45:130
6070991817,1cyclictest65850irq/126-lan23:25:130
6070991817,1cyclictest65850irq/126-lan21:35:230
6070991816,2cyclictest65850irq/126-lan20:40:170
6070991816,2cyclictest65850irq/126-lan19:10:200
6070991717,0cyclictest65850irq/126-lan20:05:140
6070991716,1cyclictest65850irq/126-lan22:50:130
6070991716,1cyclictest65850irq/126-lan22:10:140
6070991716,1cyclictest65850irq/126-lan21:45:170
6070991716,1cyclictest65850irq/126-lan21:30:120
6070991716,1cyclictest65850irq/126-lan20:15:140
6070991716,1cyclictest65850irq/126-lan00:38:400
6070991715,2cyclictest65850irq/126-lan23:35:000
6070991715,2cyclictest65850irq/126-lan22:40:180
6070991715,2cyclictest65850irq/126-lan22:30:160
6070991715,2cyclictest65850irq/126-lan21:00:210
6070991715,2cyclictest65850irq/126-lan19:25:190
6070991714,3cyclictest65850irq/126-lan22:15:120
6070991616,0cyclictest65850irq/126-lan23:10:150
6070991616,0cyclictest65850irq/126-lan23:00:140
6070991616,0cyclictest65850irq/126-lan22:05:180
6070991616,0cyclictest65850irq/126-lan21:20:210
6070991616,0cyclictest65850irq/126-lan20:20:050
6070991616,0cyclictest65850irq/126-lan19:30:370
6070991616,0cyclictest65850irq/126-lan00:15:150
6070991615,1cyclictest65850irq/126-lan22:20:190
6070991615,1cyclictest65850irq/126-lan21:50:540
6070991615,1cyclictest65850irq/126-lan00:10:110
6070991614,2cyclictest65850irq/126-lan00:05:240
6070991613,3cyclictest65850irq/126-lan19:20:160
6070991515,0cyclictest65850irq/126-lan23:45:200
6070991514,1cyclictest65850irq/126-lan23:41:430
6070991514,1cyclictest65850irq/126-lan23:15:150
6070991514,1cyclictest65850irq/126-lan22:55:220
6070991514,1cyclictest65850irq/126-lan21:25:150
6070991514,1cyclictest65850irq/126-lan21:15:120
6070991514,1cyclictest65850irq/126-lan21:10:170
6070991514,1cyclictest65850irq/126-lan20:55:200
6070991514,1cyclictest65850irq/126-lan20:30:130
6070991514,1cyclictest65850irq/126-lan00:25:170
6070991514,1cyclictest65850irq/126-lan00:20:220
6070991513,2cyclictest65850irq/126-lan20:00:370
6070991414,0cyclictest65850irq/126-lan22:25:140
6070991413,1cyclictest65850irq/126-lan23:05:180
6070991413,1cyclictest65850irq/126-lan21:05:180
6070991413,1cyclictest65850irq/126-lan20:12:020
6070991413,1cyclictest65850irq/126-lan19:55:140
6070991413,1cyclictest65850irq/126-lan19:19:040
6070991412,2cyclictest65850irq/126-lan19:50:150
6070991313,0cyclictest65850irq/126-lan20:45:110
6070991313,0cyclictest65850irq/126-lan00:00:220
6070991312,1cyclictest65850irq/126-lan20:50:150
6070991212,0cyclictest65850irq/126-lan21:55:140
6070991211,1cyclictest65850irq/126-lan23:50:200
6070991211,1cyclictest65850irq/126-lan22:00:010
6070991211,1cyclictest65850irq/126-lan21:43:140
607099119,2cyclictest65850irq/126-lan23:35:200
6070991111,0cyclictest65850irq/126-lan00:30:120
607099109,1cyclictest65850irq/126-lan19:35:170
607099106,4cyclictest743-21snmpd23:56:330
60849998,1cyclictest743-21snmpd22:03:233
60849998,1cyclictest743-21snmpd20:37:333
60799998,1cyclictest743-21snmpd22:45:402
60759998,1cyclictest743-21snmpd23:28:001
60759998,1cyclictest743-21snmpd23:23:041
60759998,1cyclictest743-21snmpd19:29:321
60709996,3cyclictest743-21snmpd20:38:360
60709990,3cyclictest270661ntpq22:35:280
60849988,0cyclictest743-21snmpd23:56:373
60849988,0cyclictest743-21snmpd23:30:093
60849988,0cyclictest743-21snmpd22:54:483
60849988,0cyclictest741-21lldpd23:18:153
60849988,0cyclictest741-21lldpd22:09:563
60849988,0cyclictest741-21lldpd21:51:183
60849988,0cyclictest741-21lldpd21:35:223
60849988,0cyclictest741-21lldpd20:44:463
60849988,0cyclictest741-21lldpd19:32:383
60849988,0cyclictest741-21lldpd19:16:243
60849987,1cyclictest741-21lldpd22:22:283
60849987,1cyclictest741-21lldpd19:37:563
60849987,1cyclictest14338-21fschecks_count23:25:113
60849986,2cyclictest743-21snmpd23:10:383
60849986,2cyclictest743-21snmpd22:15:323
60849986,2cyclictest743-21snmpd20:00:523
60849986,2cyclictest743-21snmpd00:14:433
60799988,0cyclictest743-21snmpd23:11:112
60799988,0cyclictest741-21lldpd23:53:532
60799988,0cyclictest741-21lldpd23:23:382
60799987,1cyclictest741-21lldpd21:34:132
60799987,1cyclictest741-21lldpd21:23:462
60799987,1cyclictest522-21avahi-daemon20:25:452
60799986,2cyclictest743-21snmpd20:21:112
60799986,2cyclictest743-21snmpd19:57:302
60759988,0cyclictest743-21snmpd22:13:091
60759988,0cyclictest741-21lldpd22:33:451
60759988,0cyclictest741-21lldpd21:55:441
60759987,1cyclictest743-21snmpd23:42:301
60759987,1cyclictest743-21snmpd22:02:321
60759987,1cyclictest743-21snmpd20:50:481
60759987,1cyclictest741-21lldpd21:25:561
60759987,1cyclictest741-21lldpd20:15:301
60759987,1cyclictest522-21avahi-daemon21:43:311
60709988,0cyclictest743-21snmpd20:27:230
60849977,0cyclictest743-21snmpd20:59:353
60849977,0cyclictest743-21snmpd20:15:053
60849977,0cyclictest741-21lldpd22:35:433
60849977,0cyclictest741-21lldpd22:32:243
60849977,0cyclictest741-21lldpd21:48:053
60849977,0cyclictest741-21lldpd00:28:143
60849976,1cyclictest743-21snmpd23:54:233
60849976,1cyclictest743-21snmpd21:24:043
60849976,1cyclictest743-21snmpd20:25:313
60849976,1cyclictest743-21snmpd00:22:343
60849976,1cyclictest522-21avahi-daemon20:52:003
60849975,2cyclictest743-21snmpd23:45:573
60849975,2cyclictest743-21snmpd23:35:203
60849975,2cyclictest743-21snmpd23:04:173
60849975,2cyclictest743-21snmpd22:55:343
60849975,2cyclictest743-21snmpd21:55:203
60849975,2cyclictest743-21snmpd21:43:413
60799977,0cyclictest743-21snmpd19:25:052
60799977,0cyclictest741-21lldpd23:43:142
60799977,0cyclictest741-21lldpd22:30:082
60799977,0cyclictest741-21lldpd21:45:252
60799976,1cyclictest743-21snmpd00:37:442
60799976,1cyclictest743-21snmpd00:25:372
60799976,1cyclictest741-21lldpd23:25:572
60799976,1cyclictest13335-21fschecks_time20:45:102
60799975,2cyclictest743-21snmpd22:50:422
60799975,2cyclictest743-21snmpd22:37:252
60799975,2cyclictest743-21snmpd21:53:292
60799975,2cyclictest22319-21cat22:25:152
60759977,0cyclictest743-21snmpd19:57:121
60759977,0cyclictest743-21snmpd19:10:441
60759977,0cyclictest743-21snmpd00:36:231
60759977,0cyclictest743-21snmpd00:16:101
60759977,0cyclictest741-21lldpd23:05:381
60759977,0cyclictest741-21lldpd22:39:261
60759977,0cyclictest741-21lldpd21:31:171
60759977,0cyclictest741-21lldpd19:18:411
60759977,0cyclictest11729-21grep20:40:181
60759976,1cyclictest743-21snmpd23:48:481
60759976,1cyclictest743-21snmpd23:34:181
60759976,1cyclictest743-21snmpd22:54:001
60759976,1cyclictest743-21snmpd19:20:061
60759976,1cyclictest741-21lldpd21:52:471
60759976,1cyclictest522-21avahi-daemon23:55:311
60759976,1cyclictest522-21avahi-daemon20:10:191
60759975,2cyclictest743-21snmpd20:58:211
60759975,2cyclictest743-21snmpd20:46:411
60759975,2cyclictest743-21snmpd20:08:201
60759975,2cyclictest19906-21munin-run23:40:001
60849966,0cyclictest743-21snmpd22:41:343
60849966,0cyclictest741-21lldpd19:28:033
60849966,0cyclictest741-21lldpd19:24:213
60849966,0cyclictest522-21avahi-daemon21:29:353
60849966,0cyclictest244-20systemd-journal22:47:473
60849965,1cyclictest522-21avahi-daemon21:09:173
60849965,1cyclictest506-21systemd-resolve00:34:353
60849964,2cyclictest743-21snmpd23:44:513
60849964,2cyclictest743-21snmpd19:55:423
60849964,2cyclictest743-21snmpd19:14:503
60849964,2cyclictest743-21snmpd00:00:373
60849963,3cyclictest22405-21sed22:25:153
60849962,4cyclictest557-21NetworkManager21:00:513
60799966,0cyclictest743-21snmpd00:30:232
60799966,0cyclictest741-21lldpd22:14:022
60799966,0cyclictest741-21lldpd20:01:052
60799966,0cyclictest741-21lldpd00:11:202
60799966,0cyclictest522-21avahi-daemon21:19:382
60799966,0cyclictest522-21avahi-daemon19:42:062
60799966,0cyclictest506-21systemd-resolve20:58:262
60799965,1cyclictest743-21snmpd19:31:002
60799965,1cyclictest0-21swapper/221:10:192
60799964,2cyclictest743-21snmpd23:55:152
60799964,2cyclictest743-21snmpd23:31:122
60799964,2cyclictest743-21snmpd23:09:402
60799964,2cyclictest743-21snmpd23:03:172
60799964,2cyclictest743-21snmpd19:52:072
60799964,2cyclictest20845-21cat19:45:152
60799963,2cyclictest717-21ntpd00:05:202
60799963,2cyclictest575-21rs:main2
60799962,4cyclictest557-21NetworkManager20:09:582
60799962,3cyclictest7776-21seq19:12:132
60799962,3cyclictest5270-21interrupts00:20:162
60799962,3cyclictest2346-21sed20:20:002
60799962,3cyclictest11622-21unixbench_singl19:20:242
60759966,0cyclictest743-21snmpd21:03:201
60759966,0cyclictest741-21lldpd22:17:221
60759966,0cyclictest741-21lldpd20:25:001
60759966,0cyclictest741-21lldpd19:45:471
60759966,0cyclictest741-21lldpd00:05:541
60759966,0cyclictest522-21avahi-daemon21:36:081
60759965,1cyclictest743-21snmpd23:51:481
60759965,1cyclictest743-21snmpd22:27:181
60759964,2cyclictest743-21snmpd22:40:311
60759964,2cyclictest743-21snmpd20:32:551
60759964,2cyclictest743-21snmpd19:35:131
60759961,5cyclictest557-21NetworkManager23:16:221
60849955,0cyclictest741-21lldpd19:43:533
60849955,0cyclictest522-21avahi-daemon19:52:253
60849953,2cyclictest31635-21ls00:05:203
60849952,3cyclictest557-21NetworkManager21:15:183
60849952,3cyclictest557-21NetworkManager21:14:053
60849952,3cyclictest21047-21grep19:45:173
60849952,2cyclictest575-21rs:main3
60849952,2cyclictest244-20systemd-journal00:16:033
60849951,4cyclictest557-21NetworkManager23:09:453
60849950,5cyclictest557-21NetworkManager20:31:563
60849950,4cyclictest32500-21ntpq21:30:173
60799955,0cyclictest743-21snmpd23:17:112
60799955,0cyclictest741-21lldpd20:38:512
60799955,0cyclictest522-21avahi-daemon22:19:582
60799955,0cyclictest522-21avahi-daemon19:19:572
60799955,0cyclictest0-21swapper/221:00:552
60799954,1cyclictest743-21snmpd21:08:162
60799954,1cyclictest0-21swapper/221:55:152
60799954,1cyclictest0-21swapper/220:40:182
60799954,1cyclictest0-21swapper/200:00:172
60799953,2cyclictest743-21snmpd20:30:072
60799953,2cyclictest557-21NetworkManager22:20:152
60799953,2cyclictest19048-21smartctl23:35:212
60799952,3cyclictest743-21snmpd22:43:582
60799952,3cyclictest557-21NetworkManager00:17:572
60799952,3cyclictest15068-21sed22:05:232
60799952,2cyclictest244-20systemd-journal20:12:552
60799951,3cyclictest1558-21fw_conntrack21:35:152
60799951,3cyclictest15087-21apt-get20:50:142
60759955,0cyclictest743-21snmpd20:36:001
60759954,1cyclictest8919-21cpuspeed_turbos00:30:121
60759954,1cyclictest522-21avahi-daemon21:47:521
60759954,1cyclictest25782-21needreboot21:15:161
60759953,2cyclictest743-21snmpd23:14:411
60759953,2cyclictest743-21snmpd22:48:011
60759953,2cyclictest27250-21sed20:00:141
60759952,3cyclictest557-21NetworkManager22:58:301
60759952,3cyclictest557-21NetworkManager20:20:561
60759952,3cyclictest557-21NetworkManager00:10:421
60759952,2cyclictest7454-21sed00:25:151
60759952,2cyclictest29642-21pmu-power00:00:191
60759952,2cyclictest28302-21threads21:20:221
60759952,2cyclictest21206-21sed22:20:241
60759952,2cyclictest14693-21cut22:05:201
60849941,3cyclictest16035-21fschecks_count22:10:143
60849941,2cyclictest30884-21sort20:10:123
60849941,2cyclictest28883-21awk20:05:123
60849941,2cyclictest13680-21sendmail23:22:413
60849941,2cyclictest10950-21cpuspeed_turbos00:35:163
60849940,4cyclictest13360-21fw_conntrack20:45:113
60799943,1cyclictest0-21swapper/222:00:132
60799941,3cyclictest3272-21seq21:40:122
60799941,2cyclictest29442-21mktemp21:25:002
60799941,2cyclictest23357-21sed23:45:172
60799941,2cyclictest2309-21gltestperf22:55:152
60759942,2cyclictest557-21NetworkManager21:05:571
60759942,2cyclictest23655-21sed19:50:221
60759941,2cyclictest23615-21cut21:10:161
60759941,2cyclictest18547-21sh19:40:141
60759941,2cyclictest14472-21grep19:30:121
60759940,4cyclictest4750-21ntpq23:00:171
60759940,3cyclictest4985-21diskstats00:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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