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2026-03-14 - 03:48

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 all highest latencies:
System rack8slot6s.osadl.org (updated Sat Mar 14, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5850991918,1cyclictest65850irq/126-lan00:10:202
5850991818,0cyclictest743-21snmpd21:38:322
5850991818,0cyclictest743-21snmpd19:58:002
5850991818,0cyclictest743-21snmpd00:27:522
5850991818,0cyclictest65850irq/126-lan23:04:202
5850991818,0cyclictest65850irq/126-lan21:50:572
5850991818,0cyclictest65850irq/126-lan21:40:122
5850991717,0cyclictest743-21snmpd23:41:542
5850991717,0cyclictest743-21snmpd23:10:382
5850991717,0cyclictest743-21snmpd23:08:132
5850991717,0cyclictest743-21snmpd21:57:512
5850991717,0cyclictest743-21snmpd20:32:262
5850991717,0cyclictest743-21snmpd19:51:042
5850991717,0cyclictest743-21snmpd00:30:172
5850991717,0cyclictest65850irq/126-lan19:31:422
5850991717,0cyclictest65850irq/126-lan00:35:162
5850991717,0cyclictest65850irq/126-lan00:20:152
5850991717,0cyclictest26457-21cat23:55:142
5850991717,0cyclictest12852-21cat20:45:122
5850991716,1cyclictest65850irq/126-lan22:10:122
5850991716,1cyclictest65850irq/126-lan20:50:122
5850991716,1cyclictest65850irq/126-lan20:00:102
5850991616,0cyclictest65850irq/126-lan23:35:162
5850991616,0cyclictest65850irq/126-lan23:25:182
5850991616,0cyclictest65850irq/126-lan22:45:222
5850991616,0cyclictest65850irq/126-lan20:25:122
5850991616,0cyclictest65850irq/126-lan20:21:232
5850991616,0cyclictest65850irq/126-lan19:45:182
5850991616,0cyclictest65850irq/126-lan19:25:142
5850991616,0cyclictest65850irq/126-lan00:05:192
5850991615,1cyclictest65850irq/126-lan22:40:172
5850991615,1cyclictest65850irq/126-lan22:25:212
5850991615,1cyclictest65850irq/126-lan22:00:102
5850991615,1cyclictest65850irq/126-lan21:45:132
5850991615,1cyclictest65850irq/126-lan21:30:112
5850991615,1cyclictest65850irq/126-lan20:05:132
5850991515,0cyclictest65850irq/126-lan23:50:172
5850991515,0cyclictest65850irq/126-lan23:45:182
5850991515,0cyclictest65850irq/126-lan23:30:202
5850991515,0cyclictest65850irq/126-lan22:55:112
5850991515,0cyclictest65850irq/126-lan22:21:162
5850991515,0cyclictest65850irq/126-lan22:05:132
5850991515,0cyclictest65850irq/126-lan21:26:022
5850991515,0cyclictest65850irq/126-lan19:35:202
5850991515,0cyclictest65850irq/126-lan19:23:272
5850991514,1cyclictest65850irq/126-lan22:30:102
5850991514,1cyclictest65850irq/126-lan20:55:122
5850991514,1cyclictest65850irq/126-lan20:15:162
5850991514,1cyclictest65850irq/126-lan19:15:132
5850991414,0cyclictest65850irq/126-lan21:22:272
5850991414,0cyclictest65850irq/126-lan21:15:132
5850991414,0cyclictest65850irq/126-lan21:05:182
5850991414,0cyclictest65850irq/126-lan00:03:122
5850991413,1cyclictest65850irq/126-lan21:00:112
5850991413,1cyclictest65850irq/126-lan20:35:112
5850991312,1cyclictest65850irq/126-lan23:20:132
5850991312,1cyclictest65850irq/126-lan00:15:092
5850991212,0cyclictest743-21snmpd19:40:542
5850991212,0cyclictest65850irq/126-lan22:50:172
5850991212,0cyclictest65850irq/126-lan22:36:102
5850991212,0cyclictest65850irq/126-lan20:40:202
5850991212,0cyclictest65850irq/126-lan19:10:112
5850991211,1cyclictest65850irq/126-lan23:15:152
5850991111,0cyclictest65850irq/126-lan22:15:322
5850991111,0cyclictest65850irq/126-lan21:10:192
58559998,1cyclictest743-21snmpd19:48:523
58559998,1cyclictest25007-21idleruntime-cro22:34:593
58469998,1cyclictest743-21snmpd22:35:091
58469998,1cyclictest743-21snmpd22:18:061
58469998,1cyclictest743-21snmpd21:22:221
58469998,1cyclictest743-21snmpd20:53:031
58469998,1cyclictest741-21lldpd20:45:351
58389998,1cyclictest743-21snmpd23:24:350
58389998,1cyclictest743-21snmpd23:07:520
58389998,1cyclictest743-21snmpd22:59:260
58389998,1cyclictest743-21snmpd00:07:580
58559988,0cyclictest743-21snmpd22:09:023
58559988,0cyclictest743-21snmpd21:46:463
58559988,0cyclictest741-21lldpd19:40:393
58559988,0cyclictest741-21lldpd00:39:543
58559987,1cyclictest743-21snmpd23:59:013
58559987,1cyclictest743-21snmpd23:23:053
58559987,1cyclictest743-21snmpd22:38:003
58559987,1cyclictest743-21snmpd21:44:203
58559987,1cyclictest743-21snmpd20:39:093
58559987,1cyclictest743-21snmpd19:38:213
58559987,1cyclictest743-21snmpd00:16:403
58559987,1cyclictest741-21lldpd21:07:213
58559987,1cyclictest17113-21gltestperf22:15:143
58559986,2cyclictest743-21snmpd21:51:263
58559986,2cyclictest743-21snmpd21:24:203
58559986,2cyclictest743-21snmpd00:11:043
58509988,0cyclictest741-21lldpd20:14:252
58469988,0cyclictest743-21snmpd23:05:191
58469988,0cyclictest743-21snmpd22:50:271
58469988,0cyclictest741-21lldpd19:59:231
58469988,0cyclictest741-21lldpd00:25:551
58469988,0cyclictest741-21lldpd00:20:081
58469987,1cyclictest741-21lldpd21:40:211
58469987,1cyclictest522-21avahi-daemon23:45:201
58469987,1cyclictest522-21avahi-daemon21:05:181
58469986,2cyclictest743-21snmpd23:04:171
58469986,2cyclictest743-21snmpd20:18:341
58389988,0cyclictest743-21snmpd22:26:220
58389988,0cyclictest743-21snmpd22:14:210
58389988,0cyclictest743-21snmpd21:55:180
58389988,0cyclictest743-21snmpd20:21:140
58389988,0cyclictest743-21snmpd20:03:130
58389988,0cyclictest741-21lldpd23:26:200
58389987,1cyclictest741-21lldpd19:43:570
58389987,1cyclictest741-21lldpd00:30:100
58389987,1cyclictest573-21in:imuxsock00:21:210
58389987,1cyclictest522-21avahi-daemon21:40:180
58389986,2cyclictest743-21snmpd23:42:290
58389986,2cyclictest743-21snmpd21:22:330
58389986,2cyclictest743-21snmpd20:28:330
58389986,2cyclictest743-21snmpd19:14:020
58389986,2cyclictest717-21ntpd23:30:210
58389986,2cyclictest11164-21cat22:00:140
58559977,0cyclictest743-21snmpd22:45:393
58559977,0cyclictest743-21snmpd22:22:543
58559977,0cyclictest743-21snmpd21:15:153
58559977,0cyclictest741-21lldpd21:57:113
58559977,0cyclictest741-21lldpd20:51:493
58559977,0cyclictest741-21lldpd19:57:593
58559977,0cyclictest741-21lldpd19:24:103
58559977,0cyclictest741-21lldpd19:19:053
58559977,0cyclictest741-21lldpd00:03:133
58559976,1cyclictest743-21snmpd22:56:263
58559976,1cyclictest743-21snmpd21:34:073
58559976,1cyclictest522-21avahi-daemon23:37:073
58559975,2cyclictest743-21snmpd22:43:463
58559975,2cyclictest743-21snmpd19:30:493
58559975,2cyclictest21673-21cat22:25:153
58469977,0cyclictest741-21lldpd20:01:091
58469977,0cyclictest741-21lldpd19:53:321
58469977,0cyclictest741-21lldpd19:22:151
58469977,0cyclictest741-21lldpd00:37:241
58469977,0cyclictest522-21avahi-daemon20:36:511
58469976,1cyclictest743-21snmpd21:33:551
58469976,1cyclictest743-21snmpd19:12:051
58469976,1cyclictest522-21avahi-daemon21:13:241
58469976,1cyclictest522-21avahi-daemon20:20:451
58469976,1cyclictest522-21avahi-daemon19:31:231
58469976,1cyclictest16654-21fschecks_count20:55:131
58469975,2cyclictest743-21snmpd23:25:571
58469975,2cyclictest743-21snmpd22:49:581
58469975,2cyclictest743-21snmpd21:55:511
58469975,2cyclictest743-21snmpd20:32:291
58389977,0cyclictest743-21snmpd22:35:540
58389977,0cyclictest743-21snmpd21:17:510
58389977,0cyclictest743-21snmpd20:05:110
58389977,0cyclictest741-21lldpd21:33:160
58389977,0cyclictest741-21lldpd21:27:190
58389977,0cyclictest741-21lldpd19:34:080
58389976,1cyclictest743-21snmpd23:45:540
58389976,1cyclictest743-21snmpd20:19:220
58389976,1cyclictest741-21lldpd20:45:510
58389976,1cyclictest522-21avahi-daemon21:49:510
58389976,1cyclictest28419-21cut00:00:130
58389975,2cyclictest743-21snmpd23:13:100
58389975,2cyclictest743-21snmpd22:07:170
58389975,2cyclictest743-21snmpd21:54:140
58389975,2cyclictest743-21snmpd21:05:540
58389975,2cyclictest743-21snmpd20:56:160
58389975,2cyclictest743-21snmpd20:37:060
58389975,2cyclictest717-21ntpd22:50:210
58389974,3cyclictest10781-21ntp_192.168.11419:20:140
58389973,3cyclictest30673-21apt-get20:10:110
58559965,1cyclictest743-21snmpd20:47:293
58559965,1cyclictest741-21lldpd21:38:473
58559965,1cyclictest650-21gltestperf20:15:133
58559965,1cyclictest5829-21cyclictest20:05:213
58559965,1cyclictest522-21avahi-daemon23:14:023
58559965,1cyclictest522-21avahi-daemon19:26:373
58559965,1cyclictest2712-21gltestperf20:20:133
58559964,2cyclictest743-21snmpd23:09:493
58559964,2cyclictest743-21snmpd00:07:003
58559963,3cyclictest28854-21perl21:25:133
58559963,3cyclictest20518-21sed23:40:153
58559962,4cyclictest557-21NetworkManager23:00:513
58469966,0cyclictest741-21lldpd22:14:001
58469966,0cyclictest522-21avahi-daemon21:03:111
58469965,1cyclictest741-21lldpd19:44:371
58469965,1cyclictest522-21avahi-daemon20:05:131
58469965,1cyclictest522-21avahi-daemon00:17:291
58469964,2cyclictest743-21snmpd23:57:001
58469964,2cyclictest743-21snmpd19:39:341
58469962,3cyclictest24810-21fw_forwarded_lo21:15:121
58469962,3cyclictest244-20systemd-journal22:43:471
58469962,3cyclictest13450-21users19:25:211
58389966,0cyclictest743-21snmpd19:51:010
58389966,0cyclictest741-21lldpd22:21:190
58389966,0cyclictest741-21lldpd19:35:070
58389965,1cyclictest717-21ntpd20:50:220
58389965,1cyclictest522-21avahi-daemon22:15:230
58389965,1cyclictest522-21avahi-daemon00:15:220
58389965,1cyclictest10133-21gltestperf00:35:130
58389964,2cyclictest743-21snmpd19:45:030
58389964,2cyclictest717-21ntpd21:36:360
58389962,3cyclictest31614-21cat22:50:010
58559955,0cyclictest522-21avahi-daemon20:26:563
58559954,1cyclictest4417-21needreboot00:20:173
58559954,1cyclictest15775-21fschecks_time23:30:123
58559953,2cyclictest743-21snmpd21:01:543
58559952,3cyclictest557-21NetworkManager20:12:163
58559952,3cyclictest557-21NetworkManager20:00:013
58559952,2cyclictest6762-21ntpq19:10:153
58559952,2cyclictest575-21rs:main3
58559952,2cyclictest244-20systemd-journal23:15:193
58559952,2cyclictest23464-21ntp_states19:50:193
58559952,2cyclictest11728-21grep20:40:213
58559952,2cyclictest11662-21grep22:00:173
58559950,4cyclictest24866-21ntpq23:50:163
58469955,0cyclictest743-21snmpd21:25:561
58469955,0cyclictest506-21systemd-resolve23:36:571
58469954,1cyclictest743-21snmpd23:32:511
58469954,0cyclictest17501-21kworker/u16:0+events_unbound23:50:191
58469953,2cyclictest8226-21cat00:30:131
58469953,2cyclictest743-21snmpd23:43:091
58469953,2cyclictest743-21snmpd22:27:161
58469953,2cyclictest575-21rs:main1
58469953,2cyclictest557-21NetworkManager23:15:301
58469952,3cyclictest1527-21sed21:35:201
58469952,2cyclictest11956-21sed22:00:191
58469951,3cyclictest7638-21sort23:10:121
58469951,3cyclictest28529-21uname00:00:141
58389955,0cyclictest743-21snmpd19:28:320
58389955,0cyclictest741-21lldpd23:53:170
58389955,0cyclictest741-21lldpd21:13:330
58389955,0cyclictest741-21lldpd20:31:110
58389955,0cyclictest522-21avahi-daemon20:40:050
58389955,0cyclictest0-21swapper/000:26:060
58389954,1cyclictest743-21snmpd23:15:290
58389954,1cyclictest522-21avahi-daemon00:10:110
58389953,2cyclictest743-21snmpd23:35:120
58389953,2cyclictest743-21snmpd19:55:090
58389952,2cyclictest3745-21cut23:00:120
58389952,2cyclictest23534-21cut22:30:120
58389951,3cyclictest27265-21sed23:55:190
58559944,0cyclictest743-21snmpd00:32:383
58559944,0cyclictest522-21avahi-daemon23:28:063
58559942,2cyclictest244-20systemd-journal20:32:413
58559942,2cyclictest15187-21cat22:10:133
58559941,2cyclictest17062-21cat20:55:143
58559940,4cyclictest31748-21apt-get22:50:113
58559940,3cyclictest5936-21diskstats00:25:123
58469944,0cyclictest741-21lldpd19:18:421
58469944,0cyclictest4591-21gltestperf21:45:131
58469943,1cyclictest19609-21ntpq22:20:161
58469942,2cyclictest23884-21tr22:30:141
58469941,2cyclictest6924-21strings21:50:141
58469941,2cyclictest575-21rs:main1
58469941,2cyclictest30043-21date00:05:011
58469941,2cyclictest20331-21df19:45:101
58469941,2cyclictest11530-21cpu23:20:101
58469940,4cyclictest340-21ntpq00:10:151
58469940,3cyclictest13445-21ntp_192.168.11422:05:141
58469940,3cyclictest10972-21memory20:40:151
58389943,1cyclictest28063-21ntpq22:40:160
58389940,3cyclictest19035-21/usr/sbin/munin21:00:130
58559930,3cyclictest21990-21apt23:45:113
58469930,3cyclictest1367-21apt22:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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