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2026-01-12 - 14:16

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 Mon Jan 12, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30964991918,1cyclictest65850irq/126-lan21:05:110
30964991817,1cyclictest65850irq/126-lan23:15:160
30964991817,1cyclictest65850irq/126-lan23:10:520
30964991817,1cyclictest65850irq/126-lan22:45:170
30964991817,1cyclictest65850irq/126-lan22:40:170
30964991817,1cyclictest65850irq/126-lan22:30:150
30964991817,1cyclictest65850irq/126-lan00:25:140
30964991717,0cyclictest65850irq/126-lan23:05:190
30964991717,0cyclictest65850irq/126-lan19:35:110
30964991716,1cyclictest65850irq/126-lan22:00:160
30964991716,1cyclictest65850irq/126-lan21:51:230
30964991716,1cyclictest65850irq/126-lan21:40:160
30964991716,1cyclictest65850irq/126-lan21:25:180
30964991716,1cyclictest65850irq/126-lan21:10:010
30964991716,1cyclictest65850irq/126-lan20:25:140
30964991716,1cyclictest65850irq/126-lan19:47:040
30964991716,1cyclictest65850irq/126-lan19:10:150
30964991716,1cyclictest65850irq/126-lan00:05:110
30964991616,0cyclictest65850irq/126-lan22:08:480
30964991616,0cyclictest65850irq/126-lan21:30:180
30964991616,0cyclictest65850irq/126-lan20:10:280
30964991616,0cyclictest65850irq/126-lan20:00:120
30964991616,0cyclictest65850irq/126-lan19:44:240
30964991615,1cyclictest65850irq/126-lan23:45:160
30964991615,1cyclictest65850irq/126-lan21:20:170
30964991615,1cyclictest65850irq/126-lan20:30:130
30964991615,1cyclictest65850irq/126-lan20:15:120
30964991615,1cyclictest65850irq/126-lan19:30:140
30964991615,1cyclictest65850irq/126-lan00:35:180
30964991615,1cyclictest65850irq/126-lan00:03:410
30964991515,0cyclictest65850irq/126-lan20:45:440
30964991514,1cyclictest65850irq/126-lan23:35:170
30964991514,1cyclictest65850irq/126-lan22:35:150
30964991514,1cyclictest65850irq/126-lan22:10:210
30964991514,1cyclictest65850irq/126-lan21:00:120
30964991414,0cyclictest65850irq/126-lan22:21:010
30964991414,0cyclictest65850irq/126-lan21:00:010
30964991414,0cyclictest65850irq/126-lan20:40:240
30964991414,0cyclictest65850irq/126-lan20:40:240
30964991414,0cyclictest65850irq/126-lan19:55:120
30964991414,0cyclictest65850irq/126-lan00:20:200
30964991413,1cyclictest65850irq/126-lan22:25:130
30964991413,1cyclictest65850irq/126-lan19:50:150
30964991413,1cyclictest65850irq/126-lan00:10:130
30964991313,0cyclictest65850irq/126-lan23:57:570
30964991313,0cyclictest65850irq/126-lan23:51:450
30964991313,0cyclictest65850irq/126-lan21:15:160
30964991313,0cyclictest65850irq/126-lan19:20:150
30964991313,0cyclictest65850irq/126-lan00:30:220
30964991313,0cyclictest65850irq/126-lan00:19:450
30964991312,1cyclictest65850irq/126-lan20:50:190
30964991312,1cyclictest65850irq/126-lan20:35:190
30964991312,1cyclictest65850irq/126-lan20:35:180
30964991312,1cyclictest65850irq/126-lan19:15:300
30964991212,0cyclictest65850irq/126-lan23:30:160
30964991212,0cyclictest65850irq/126-lan23:00:000
30964991212,0cyclictest65850irq/126-lan22:52:280
30964991212,0cyclictest65850irq/126-lan21:47:460
30964991212,0cyclictest65850irq/126-lan21:35:130
30964991211,1cyclictest65850irq/126-lan23:25:120
30964991211,1cyclictest65850irq/126-lan23:20:210
30964991111,0cyclictest65850irq/126-lan21:55:100
30964991111,0cyclictest65850irq/126-lan19:25:160
30964991110,1cyclictest65850irq/126-lan20:20:160
3096499109,1cyclictest65850irq/126-lan20:09:360
30964991010,0cyclictest65850irq/126-lan23:41:440
309829998,1cyclictest743-21snmpd22:48:353
309829998,1cyclictest741-21lldpd23:31:303
309779998,1cyclictest743-21snmpd21:50:032
309779998,1cyclictest743-21snmpd20:43:012
309779998,1cyclictest743-21snmpd20:43:002
309779998,1cyclictest743-21snmpd19:35:462
309779998,1cyclictest741-21lldpd21:55:102
309779996,2cyclictest743-21snmpd23:57:452
309699999,0cyclictest743-21snmpd21:16:161
309699998,1cyclictest743-21snmpd22:34:581
309699998,1cyclictest741-21lldpd22:07:371
309699998,1cyclictest741-21lldpd20:28:471
309649999,0cyclictest65850irq/126-lan22:55:450
309649999,0cyclictest65850irq/126-lan22:15:170
309829988,0cyclictest743-21snmpd23:04:293
309829988,0cyclictest743-21snmpd19:13:013
309829988,0cyclictest741-21lldpd21:44:423
309829988,0cyclictest741-21lldpd21:37:123
309829988,0cyclictest741-21lldpd20:23:003
309829988,0cyclictest741-21lldpd00:26:073
309829987,1cyclictest743-21snmpd23:13:323
309829987,1cyclictest743-21snmpd23:09:403
309829987,1cyclictest743-21snmpd19:51:463
309829987,1cyclictest741-21lldpd21:55:443
309829987,1cyclictest741-21lldpd20:57:083
309829987,1cyclictest25666-21fschecks_time20:15:123
309829986,2cyclictest743-21snmpd19:56:453
309779988,0cyclictest741-21lldpd20:19:212
309779988,0cyclictest741-21lldpd00:13:232
309779987,1cyclictest743-21snmpd22:25:342
309779987,1cyclictest743-21snmpd21:11:142
309779987,1cyclictest743-21snmpd00:07:252
309779987,1cyclictest741-21lldpd22:33:132
309779987,1cyclictest22686-21cpuspeed_turbos21:25:112
309779986,2cyclictest743-21snmpd23:46:332
309779986,2cyclictest743-21snmpd23:36:242
309779986,2cyclictest743-21snmpd21:37:002
309779986,2cyclictest743-21snmpd19:16:362
309699988,0cyclictest743-21snmpd23:03:441
309699988,0cyclictest743-21snmpd22:43:291
309699988,0cyclictest743-21snmpd20:39:241
309699988,0cyclictest743-21snmpd20:39:241
309699988,0cyclictest743-21snmpd20:07:381
309699988,0cyclictest743-21snmpd19:42:591
309699988,0cyclictest741-21lldpd23:31:341
309699988,0cyclictest741-21lldpd22:00:081
309699988,0cyclictest741-21lldpd20:18:311
309699988,0cyclictest741-21lldpd19:49:141
309699987,1cyclictest743-21snmpd23:10:111
309699987,1cyclictest741-21lldpd22:22:091
309699987,1cyclictest741-21lldpd00:32:521
309699986,2cyclictest743-21snmpd22:35:221
309699986,2cyclictest743-21snmpd20:58:561
309699986,2cyclictest743-21snmpd19:27:261
309699986,2cyclictest743-21snmpd00:17:101
309829977,0cyclictest743-21snmpd22:05:193
309829977,0cyclictest741-21lldpd23:41:463
309829977,0cyclictest741-21lldpd23:27:453
309829977,0cyclictest741-21lldpd22:27:413
309829977,0cyclictest741-21lldpd22:12:003
309829977,0cyclictest741-21lldpd20:12:193
309829977,0cyclictest741-21lldpd19:34:553
309829976,1cyclictest743-21snmpd21:34:563
309829976,1cyclictest743-21snmpd20:40:223
309829976,1cyclictest743-21snmpd20:40:213
309829976,1cyclictest522-21avahi-daemon22:35:243
309829975,2cyclictest743-21snmpd22:20:553
309829975,2cyclictest743-21snmpd21:05:593
309829975,2cyclictest743-21snmpd19:45:313
309829975,2cyclictest743-21snmpd00:11:063
309829975,2cyclictest11266-21cat22:15:153
309779977,0cyclictest743-21snmpd20:56:462
309779977,0cyclictest743-21snmpd20:51:192
309779977,0cyclictest743-21snmpd19:44:052
309779977,0cyclictest741-21lldpd23:10:412
309779977,0cyclictest741-21lldpd22:49:012
309779977,0cyclictest27839-21sed20:20:122
309779976,1cyclictest743-21snmpd19:31:372
309779976,1cyclictest743-21snmpd00:18:372
309779976,1cyclictest522-21avahi-daemon21:15:242
309779976,1cyclictest2184-21needreboot20:35:172
309779976,1cyclictest2184-21needreboot20:35:162
309779976,1cyclictest19129-21fschecks_time22:35:152
309779975,2cyclictest743-21snmpd23:25:092
309779975,2cyclictest743-21snmpd21:40:572
309779975,2cyclictest743-21snmpd19:14:102
309779975,2cyclictest743-21snmpd00:02:342
309779975,2cyclictest5282-21cat19:25:142
309699977,0cyclictest743-21snmpd23:41:471
309699977,0cyclictest743-21snmpd23:25:411
309699977,0cyclictest743-21snmpd23:24:361
309699977,0cyclictest743-21snmpd23:15:081
309699977,0cyclictest743-21snmpd22:50:521
309699977,0cyclictest743-21snmpd22:46:591
309699977,0cyclictest743-21snmpd21:30:201
309699977,0cyclictest743-21snmpd21:12:231
309699977,0cyclictest743-21snmpd21:09:201
309699977,0cyclictest743-21snmpd20:20:051
309699977,0cyclictest743-21snmpd20:00:571
309699977,0cyclictest743-21snmpd19:39:131
309699977,0cyclictest743-21snmpd00:22:461
309699977,0cyclictest741-21lldpd00:28:481
309699977,0cyclictest522-21avahi-daemon00:13:191
309699977,0cyclictest21021-21cat21:20:151
309699976,1cyclictest741-21lldpd21:54:371
309699975,2cyclictest743-21snmpd23:56:391
309699975,2cyclictest743-21snmpd21:47:021
309699975,2cyclictest743-21snmpd21:03:251
309699975,2cyclictest743-21snmpd20:30:311
309699975,2cyclictest743-21snmpd20:14:331
309699975,2cyclictest743-21snmpd19:58:481
309829966,0cyclictest743-21snmpd22:33:313
309829966,0cyclictest743-21snmpd21:49:353
309829966,0cyclictest743-21snmpd20:50:463
309829966,0cyclictest743-21snmpd00:15:043
309829966,0cyclictest741-21lldpd22:56:413
309829966,0cyclictest522-21avahi-daemon21:12:573
309829965,1cyclictest3941-21runrttasks00:35:153
309829965,1cyclictest18784-21fschecks_time21:15:133
309829964,2cyclictest743-21snmpd23:50:313
309829964,2cyclictest743-21snmpd20:25:343
309829961,5cyclictest557-21NetworkManager00:22:293
309779966,0cyclictest743-21snmpd20:04:572
309779966,0cyclictest741-21lldpd23:40:152
309779966,0cyclictest741-21lldpd23:24:572
309779966,0cyclictest741-21lldpd21:00:242
309779966,0cyclictest741-21lldpd20:28:152
309779966,0cyclictest741-21lldpd20:09:462
309779966,0cyclictest741-21lldpd00:26:062
309779966,0cyclictest506-21systemd-resolve22:50:532
309779966,0cyclictest506-21systemd-resolve22:09:272
309779965,1cyclictest743-21snmpd21:05:292
309779965,1cyclictest743-21snmpd20:13:452
309779965,1cyclictest743-21snmpd19:20:222
309779965,1cyclictest5680-21cpuspeed_turbos20:45:112
309779964,2cyclictest743-21snmpd21:31:172
309779964,2cyclictest743-21snmpd20:30:492
309779964,2cyclictest743-21snmpd00:35:502
309779964,2cyclictest743-21snmpd00:34:052
309699966,0cyclictest743-21snmpd21:26:231
309699966,0cyclictest743-21snmpd00:08:371
309699965,1cyclictest743-21snmpd20:48:511
309699965,1cyclictest741-21lldpd22:10:561
309699965,1cyclictest741-21lldpd00:02:201
309699964,2cyclictest743-21snmpd22:29:161
309699964,2cyclictest3771-21grep00:35:131
309699962,4cyclictest557-21NetworkManager23:09:561
309699962,3cyclictest11034-21fw_forwarded_lo23:35:141
309829955,0cyclictest741-21lldpd22:02:493
309829955,0cyclictest741-21lldpd20:32:293
309829955,0cyclictest741-21lldpd19:15:353
309829955,0cyclictest741-21lldpd00:00:263
309829955,0cyclictest522-21avahi-daemon21:24:173
309829955,0cyclictest522-21avahi-daemon20:45:043
309829954,1cyclictest743-21snmpd21:02:113
309829954,1cyclictest743-21snmpd20:01:123
309829954,1cyclictest1993-21cat20:35:163
309829954,1cyclictest1993-21cat20:35:153
309829953,2cyclictest743-21snmpd23:46:153
309829952,3cyclictest557-21NetworkManager19:43:393
309829952,2cyclictest5535-21ntpq23:20:163
309829952,2cyclictest244-20systemd-journal19:36:213
309829952,2cyclictest22899-21seq20:06:523
309829952,2cyclictest1162-21ntp_states21:50:163
309829951,3cyclictest3179-21expr19:20:153
309779955,0cyclictest741-21lldpd19:45:172
309779954,1cyclictest9174-21gltestperf22:10:142
309779954,1cyclictest522-21avahi-daemon22:57:222
309779953,2cyclictest743-21snmpd23:51:402
309779953,2cyclictest743-21snmpd23:30:032
309779953,2cyclictest743-21snmpd22:15:072
309779953,2cyclictest743-21snmpd21:22:322
309779952,3cyclictest557-21NetworkManager23:15:462
309779952,3cyclictest17899-21sed19:55:152
309779952,2cyclictest31568-21sed23:05:142
309779952,2cyclictest13616-21ld22:20:162
309779950,5cyclictest557-21NetworkManager19:54:182
309699955,0cyclictest573-21in:imuxsock19:51:321
309699955,0cyclictest522-21avahi-daemon22:18:531
309699954,1cyclictest29378-21ntpq21:40:171
309699952,3cyclictest743-21snmpd21:35:271
309699952,3cyclictest7282-21apt-get19:30:111
309699952,2cyclictest26968-21apt-get22:55:101
309699951,3cyclictest7854-21dpkg20:50:011
309699951,3cyclictest31453-21fw_conntrack19:10:131
309699951,3cyclictest2825-21awk19:20:121
309699951,3cyclictest16994-21ls23:50:001
309829944,0cyclictest522-21avahi-daemon23:36:193
309829943,1cyclictest5668-21ntpq19:25:173
309829942,2cyclictest25684-21sed22:50:153
309829942,2cyclictest21360-21cat22:40:143
309829941,2cyclictest2721-21cat23:15:123
309829941,2cyclictest1514-21sort00:30:123
309829940,4cyclictest24010-21ntpq00:05:163
309829940,4cyclictest23449-21ntpq21:25:173
309829940,4cyclictest19973-21ntpq23:55:163
309779944,0cyclictest0-21swapper/221:45:132
309779942,2cyclictest29453-21cat23:00:132
309779941,2cyclictest4344-21sort22:00:112
309779941,2cyclictest30502-21ld00:20:162
309779941,2cyclictest20935-21http22:40:112
309699943,1cyclictest1096-21gltestperf19:15:241
309699942,2cyclictest2579-21tune2fs21:55:121
309699941,3cyclictest4110-21sed20:40:171
309699941,3cyclictest4110-21sed20:40:171
309699940,4cyclictest17219-21apt-get23:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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