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2026-04-18 - 03:15

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 highest latencies:
System rack8slot6s.osadl.org (updated Sat Apr 18, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15187991918,1cyclictest65850irq/126-lan22:05:003
15187991818,0cyclictest65850irq/126-lan21:09:503
15187991818,0cyclictest65850irq/126-lan20:25:143
15187991818,0cyclictest65850irq/126-lan19:50:193
15187991817,1cyclictest65850irq/126-lan22:45:113
15187991817,1cyclictest65850irq/126-lan21:00:143
15187991817,1cyclictest65850irq/126-lan00:10:183
15182991818,0cyclictest743-21snmpd23:45:332
15182991818,0cyclictest743-21snmpd21:06:352
15182991818,0cyclictest743-21snmpd20:56:552
15182991818,0cyclictest743-21snmpd20:28:072
15182991818,0cyclictest743-21snmpd20:17:572
15182991818,0cyclictest743-21snmpd00:27:562
15187991717,0cyclictest65850irq/126-lan20:15:143
15187991717,0cyclictest65850irq/126-lan19:40:163
15187991717,0cyclictest65850irq/126-lan19:20:133
15187991716,1cyclictest65850irq/126-lan22:05:153
15187991716,1cyclictest65850irq/126-lan20:55:133
15187991716,1cyclictest65850irq/126-lan20:38:233
15187991616,0cyclictest743-21snmpd23:15:413
15187991616,0cyclictest65850irq/126-lan23:00:173
15187991616,0cyclictest65850irq/126-lan22:35:213
15187991616,0cyclictest65850irq/126-lan21:56:023
15187991616,0cyclictest65850irq/126-lan21:46:293
15187991616,0cyclictest65850irq/126-lan21:20:133
15187991616,0cyclictest65850irq/126-lan21:15:053
15187991616,0cyclictest65850irq/126-lan19:35:143
15187991616,0cyclictest65850irq/126-lan19:30:123
15187991615,1cyclictest65850irq/126-lan22:40:153
15187991615,1cyclictest65850irq/126-lan22:25:133
15187991615,1cyclictest65850irq/126-lan22:20:193
15187991615,1cyclictest65850irq/126-lan21:50:163
15187991615,1cyclictest65850irq/126-lan21:40:103
15187991615,1cyclictest65850irq/126-lan21:35:123
15187991615,1cyclictest65850irq/126-lan21:30:133
15187991615,1cyclictest65850irq/126-lan19:55:203
15187991615,1cyclictest65850irq/126-lan00:20:123
15182991616,0cyclictest743-21snmpd20:13:062
15187991515,0cyclictest743-21snmpd23:49:363
15187991515,0cyclictest743-21snmpd21:25:113
15187991515,0cyclictest65850irq/126-lan23:50:203
15187991515,0cyclictest65850irq/126-lan22:15:153
15187991515,0cyclictest65850irq/126-lan21:10:133
15187991515,0cyclictest65850irq/126-lan20:53:563
15187991515,0cyclictest65850irq/126-lan20:49:213
15187991515,0cyclictest65850irq/126-lan20:05:133
15187991515,0cyclictest65850irq/126-lan20:00:203
15187991515,0cyclictest65850irq/126-lan19:45:593
15187991515,0cyclictest65850irq/126-lan19:17:193
15187991515,0cyclictest65850irq/126-lan19:10:133
15187991515,0cyclictest65850irq/126-lan00:15:183
15187991515,0cyclictest25328-21cat22:10:143
15187991515,0cyclictest15142-21cat23:05:143
15187991514,1cyclictest65850irq/126-lan23:41:113
15187991514,1cyclictest65850irq/126-lan23:30:133
15187991514,1cyclictest65850irq/126-lan00:00:173
15187991414,0cyclictest743-21snmpd00:37:053
15187991414,0cyclictest65850irq/126-lan23:55:113
15187991414,0cyclictest65850irq/126-lan22:55:193
15187991414,0cyclictest65850irq/126-lan22:50:173
15187991414,0cyclictest1012-21cat22:30:133
15187991414,0cyclictest1012-21cat22:30:133
15187991413,1cyclictest65850irq/126-lan23:25:143
15187991313,0cyclictest65850irq/126-lan23:20:173
15187991313,0cyclictest65850irq/126-lan23:10:123
15187991313,0cyclictest65850irq/126-lan20:20:113
15187991313,0cyclictest65850irq/126-lan19:25:133
15187991312,1cyclictest65850irq/126-lan20:40:173
15187991312,1cyclictest65850irq/126-lan00:30:153
15182991313,0cyclictest743-21snmpd22:01:092
15187991211,1cyclictest65850irq/126-lan20:14:203
15187991211,1cyclictest65850irq/126-lan00:05:113
15187991111,0cyclictest65850irq/126-lan20:30:123
15187991010,0cyclictest65850irq/126-lan23:38:033
15187991010,0cyclictest65850irq/126-lan00:25:133
1517299108,2cyclictest717-21ntpd20:22:440
151829998,1cyclictest743-21snmpd21:58:002
151829998,1cyclictest741-21lldpd21:15:122
151789998,1cyclictest743-21snmpd21:57:271
151789998,1cyclictest743-21snmpd21:16:171
151789998,1cyclictest743-21snmpd00:20:371
151789998,1cyclictest741-21lldpd22:53:031
151789998,1cyclictest741-21lldpd20:17:061
151789998,0cyclictest743-21snmpd23:37:211
151729998,1cyclictest743-21snmpd20:09:360
151729998,1cyclictest743-21snmpd19:56:510
151729998,1cyclictest741-21lldpd21:20:130
151829988,0cyclictest743-21snmpd21:49:122
151829988,0cyclictest743-21snmpd00:36:382
151829988,0cyclictest741-21lldpd23:06:382
151829988,0cyclictest741-21lldpd20:31:522
151829988,0cyclictest741-21lldpd19:46:512
151829987,1cyclictest743-21snmpd23:26:122
151829987,1cyclictest743-21snmpd23:23:222
151829987,1cyclictest743-21snmpd21:04:472
151829986,2cyclictest743-21snmpd23:00:472
151829986,2cyclictest743-21snmpd20:01:422
151789988,0cyclictest743-21snmpd19:30:231
151789988,0cyclictest741-21lldpd23:40:401
151789988,0cyclictest741-21lldpd21:54:301
151789987,1cyclictest743-21snmpd22:30:011
151789987,1cyclictest743-21snmpd22:30:011
151789987,1cyclictest743-21snmpd21:26:261
151789987,1cyclictest743-21snmpd19:35:291
151789987,1cyclictest741-21lldpd21:04:521
151789987,1cyclictest741-21lldpd19:29:331
151789986,2cyclictest743-21snmpd21:47:151
151789986,2cyclictest743-21snmpd20:45:311
151789986,2cyclictest743-21snmpd00:08:041
151729988,0cyclictest743-21snmpd22:10:280
151729988,0cyclictest743-21snmpd20:12:210
151729988,0cyclictest741-21lldpd23:44:200
151729988,0cyclictest741-21lldpd23:31:120
151729988,0cyclictest741-21lldpd21:14:200
151729988,0cyclictest741-21lldpd19:44:070
151729987,1cyclictest743-21snmpd21:54:000
151729987,1cyclictest743-21snmpd21:35:560
151729987,1cyclictest13279-21fschecks_time00:20:120
151729986,2cyclictest743-21snmpd19:45:260
151729986,2cyclictest743-21snmpd19:14:220
151729986,2cyclictest717-21ntpd23:35:330
151729986,2cyclictest717-21ntpd23:23:560
151729986,2cyclictest717-21ntpd23:17:220
151729986,2cyclictest717-21ntpd22:05:030
151729986,2cyclictest717-21ntpd20:28:520
151729986,2cyclictest717-21ntpd19:37:330
151729986,2cyclictest717-21ntpd19:30:350
151829977,0cyclictest743-21snmpd23:18:032
151829977,0cyclictest743-21snmpd23:13:502
151829977,0cyclictest743-21snmpd22:46:142
151829977,0cyclictest743-21snmpd21:24:442
151829977,0cyclictest743-21snmpd00:32:262
151829977,0cyclictest741-21lldpd22:59:472
151829977,0cyclictest741-21lldpd22:35:452
151829977,0cyclictest741-21lldpd19:39:052
151829977,0cyclictest741-21lldpd19:16:142
151829977,0cyclictest741-21lldpd00:19:332
151829975,2cyclictest743-21snmpd22:52:232
151829973,3cyclictest22245-21if_err_lan19:25:132
151829973,3cyclictest18804-21ntp_192.168.11420:35:162
151789977,0cyclictest743-21snmpd22:35:101
151789977,0cyclictest743-21snmpd20:35:521
151789977,0cyclictest741-21lldpd23:18:241
151789977,0cyclictest741-21lldpd22:25:531
151789977,0cyclictest741-21lldpd20:42:141
151789977,0cyclictest741-21lldpd00:11:351
151789976,1cyclictest743-21snmpd23:57:491
151789976,1cyclictest743-21snmpd23:49:181
151789976,1cyclictest741-21lldpd19:24:521
151789975,2cyclictest743-21snmpd22:45:471
151789975,2cyclictest743-21snmpd20:06:091
151789975,2cyclictest743-21snmpd19:55:151
151729977,0cyclictest743-21snmpd21:00:140
151729977,0cyclictest743-21snmpd20:16:410
151729976,1cyclictest743-21snmpd23:10:290
151729976,1cyclictest743-21snmpd21:55:540
151729976,1cyclictest743-21snmpd19:23:020
151729976,1cyclictest743-21snmpd00:03:220
151729976,1cyclictest522-21avahi-daemon21:42:210
151729975,2cyclictest743-21snmpd23:52:190
151729975,2cyclictest743-21snmpd23:05:110
151729975,2cyclictest743-21snmpd22:55:230
151729975,2cyclictest717-21ntpd20:50:300
151729975,2cyclictest717-21ntpd20:00:220
151729975,2cyclictest717-21ntpd19:29:270
151729975,2cyclictest717-21ntpd00:31:030
151829966,0cyclictest743-21snmpd23:43:422
151829966,0cyclictest743-21snmpd22:20:312
151829966,0cyclictest743-21snmpd00:13:162
151829966,0cyclictest741-21lldpd23:50:142
151829966,0cyclictest741-21lldpd23:32:402
151829966,0cyclictest741-21lldpd21:41:282
151829966,0cyclictest741-21lldpd19:32:512
151829965,1cyclictest743-21snmpd23:36:462
151829965,1cyclictest743-21snmpd22:14:402
151829965,1cyclictest743-21snmpd19:11:122
151829965,1cyclictest12320-21kworker/2:0+events_freezable_pwr_efficient20:22:172
151829964,2cyclictest743-21snmpd19:41:162
151829963,0cyclictest191rcu_preempt22:25:162
151829962,4cyclictest557-21NetworkManager22:08:222
151829961,1cyclictest191rcu_preempt19:20:062
151789966,0cyclictest743-21snmpd23:25:181
151789966,0cyclictest741-21lldpd23:20:161
151789966,0cyclictest741-21lldpd20:22:151
151789966,0cyclictest741-21lldpd19:12:231
151789966,0cyclictest573-21in:imuxsock22:21:161
151789966,0cyclictest522-21avahi-daemon23:01:321
151789965,1cyclictest743-21snmpd23:07:201
151789965,1cyclictest743-21snmpd22:44:501
151789965,1cyclictest743-21snmpd22:17:491
151789965,1cyclictest743-21snmpd21:10:381
151789965,1cyclictest743-21snmpd19:47:351
151789965,1cyclictest0-21swapper/123:35:001
151789962,4cyclictest557-21NetworkManager22:01:021
151789962,3cyclictest244-20systemd-journal21:08:271
151789962,3cyclictest22429-21seq22:05:011
151729966,0cyclictest743-21snmpd23:26:210
151729966,0cyclictest741-21lldpd22:31:030
151729966,0cyclictest741-21lldpd22:31:030
151729966,0cyclictest741-21lldpd21:18:440
151729966,0cyclictest741-21lldpd21:09:000
151729965,1cyclictest743-21snmpd23:56:550
151729965,1cyclictest743-21snmpd21:31:150
151729965,1cyclictest717-21ntpd00:05:230
151729965,1cyclictest522-21avahi-daemon21:48:090
151729964,2cyclictest743-21snmpd00:18:010
151729964,2cyclictest717-21ntpd20:41:240
151729962,3cyclictest7818-21date21:30:000
151729962,3cyclictest23340-21sed20:45:200
151829955,0cyclictest741-21lldpd22:41:392
151829955,0cyclictest522-21avahi-daemon22:32:582
151829955,0cyclictest522-21avahi-daemon22:32:582
151829955,0cyclictest506-21systemd-resolve22:15:242
151829954,1cyclictest741-21lldpd00:23:572
151829954,1cyclictest717-21ntpd21:30:112
151829954,1cyclictest12320-21kworker/2:0+events_freezable_pwr_efficient21:50:092
151829953,2cyclictest717-21ntpd23:55:532
151829953,2cyclictest717-21ntpd20:47:132
151829953,2cyclictest717-21ntpd00:05:152
151829953,1cyclictest191rcu_preempt00:00:162
151829952,2cyclictest575-21rs:main2
151829952,2cyclictest25617-21seq20:51:282
151829952,2cyclictest11029-21threads21:35:212
151829951,3cyclictest21486-21sed20:40:212
151789955,0cyclictest743-21snmpd20:55:461
151789955,0cyclictest741-21lldpd23:14:021
151789955,0cyclictest741-21lldpd20:53:321
151789955,0cyclictest725-21in:imuxsock23:00:001
151789955,0cyclictest522-21avahi-daemon21:22:291
151789955,0cyclictest11085-21cpuspeed_turbos00:15:131
151789954,1cyclictest506-21systemd-resolve22:10:121
151789953,2cyclictest743-21snmpd21:40:121
151789953,2cyclictest743-21snmpd19:51:591
151789953,2cyclictest16537-21cat20:30:131
151789952,3cyclictest557-21NetworkManager20:11:421
151789952,2cyclictest668-21grep23:50:121
151789952,2cyclictest4710-21sed20:00:191
151789952,2cyclictest244-20systemd-journal00:36:301
151789952,2cyclictest17693-21sed00:30:151
151789952,2cyclictest13740-21grep20:25:101
151789952,2cyclictest10451-21wc21:35:151
151789951,4cyclictest557-21NetworkManager19:41:101
151789951,3cyclictest6148-21seq00:03:171
151729955,0cyclictest743-21snmpd19:18:580
151729955,0cyclictest741-21lldpd22:18:390
151729955,0cyclictest522-21avahi-daemon22:35:500
151729955,0cyclictest29023-21cpuspeed_turbos22:20:110
151729954,1cyclictest743-21snmpd22:45:080
151729953,2cyclictest743-21snmpd23:02:440
151729953,2cyclictest743-21snmpd22:52:320
151729953,2cyclictest743-21snmpd22:43:020
151729953,2cyclictest717-21ntpd20:55:060
151729952,2cyclictest9884-21sed00:10:200
151729952,2cyclictest861-21grep19:50:200
151729952,2cyclictest19720-21grep00:35:150
151729951,3cyclictest21277-21grep22:00:170
151729951,3cyclictest15820-21dpkg20:30:010
151829943,1cyclictest5968-21cpuspeed_turbos21:25:122
151829942,2cyclictest743-21snmpd21:10:052
151829941,2cyclictest2702-21wc19:55:202
151829940,4cyclictest6375-21ntpq20:05:162
151789943,1cyclictest18151-21gltestperf19:15:141
151789940,3cyclictest15251-21sort00:25:141
151729944,0cyclictest743-21snmpd22:25:370
151729941,3cyclictest557-21NetworkManager23:45:050
151729940,4cyclictest18885-21ntpq20:35:170
151729940,3cyclictest15810-21ntpq00:25:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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