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2026-06-17 - 07:35

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 Wed Jun 17, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30906991918,1cyclictest65850irq/126-lan22:25:153
30906991817,1cyclictest65850irq/126-lan21:40:193
30906991717,0cyclictest65850irq/126-lan22:15:173
30906991716,1cyclictest65850irq/126-lan23:40:203
30906991716,1cyclictest65850irq/126-lan20:55:223
30906991716,1cyclictest65850irq/126-lan20:20:003
30906991716,1cyclictest65850irq/126-lan20:05:143
30906991716,1cyclictest65850irq/126-lan19:45:183
30906991716,1cyclictest65850irq/126-lan19:25:133
30906991716,1cyclictest65850irq/126-lan19:20:003
30906991716,1cyclictest65850irq/126-lan00:16:513
30906991616,0cyclictest65850irq/126-lan23:55:223
30906991616,0cyclictest65850irq/126-lan23:35:173
30906991616,0cyclictest65850irq/126-lan22:36:363
30906991616,0cyclictest65850irq/126-lan00:00:123
30906991615,1cyclictest65850irq/126-lan23:45:123
30906991615,1cyclictest65850irq/126-lan23:30:113
30906991615,1cyclictest65850irq/126-lan21:10:123
30906991615,1cyclictest65850irq/126-lan21:05:223
30906991615,1cyclictest65850irq/126-lan20:25:023
30906991615,1cyclictest65850irq/126-lan19:55:133
30906991615,1cyclictest65850irq/126-lan19:40:143
30906991615,1cyclictest65850irq/126-lan19:10:173
30906991615,1cyclictest65850irq/126-lan00:35:143
30906991515,0cyclictest65850irq/126-lan22:20:213
30906991515,0cyclictest65850irq/126-lan21:20:123
30906991515,0cyclictest65850irq/126-lan20:50:223
30906991514,1cyclictest65850irq/126-lan23:50:143
30906991514,1cyclictest65850irq/126-lan23:15:113
30906991514,1cyclictest65850irq/126-lan23:05:153
30906991514,1cyclictest65850irq/126-lan22:55:163
30906991514,1cyclictest65850irq/126-lan21:15:183
30906991514,1cyclictest65850irq/126-lan21:00:193
30906991514,1cyclictest65850irq/126-lan20:00:173
30906991514,1cyclictest65850irq/126-lan00:20:193
30906991414,0cyclictest65850irq/126-lan23:10:183
30906991414,0cyclictest65850irq/126-lan23:01:223
30906991414,0cyclictest65850irq/126-lan22:50:143
30906991414,0cyclictest65850irq/126-lan22:30:193
30906991414,0cyclictest65850irq/126-lan00:10:133
30906991413,1cyclictest65850irq/126-lan22:45:153
30906991413,1cyclictest65850irq/126-lan22:40:143
30906991413,1cyclictest65850irq/126-lan21:55:123
30906991413,1cyclictest65850irq/126-lan20:10:233
30906991413,1cyclictest65850irq/126-lan19:20:573
30906991413,1cyclictest65850irq/126-lan00:30:143
30906991313,0cyclictest65850irq/126-lan22:12:233
30906991313,0cyclictest65850irq/126-lan21:25:133
30906991313,0cyclictest65850irq/126-lan20:20:133
30906991313,0cyclictest65850irq/126-lan19:30:143
30906991312,1cyclictest65850irq/126-lan21:50:153
30906991312,1cyclictest65850irq/126-lan21:35:163
30906991312,1cyclictest65850irq/126-lan21:30:183
30906991312,1cyclictest65850irq/126-lan20:31:173
30906991312,1cyclictest65850irq/126-lan19:50:113
30906991312,1cyclictest65850irq/126-lan19:35:163
30906991212,0cyclictest65850irq/126-lan20:40:193
30906991212,0cyclictest65850irq/126-lan20:40:193
30906991211,1cyclictest65850irq/126-lan20:35:163
30906991111,0cyclictest65850irq/126-lan22:05:013
30906991110,1cyclictest65850irq/126-lan23:25:203
30906991110,1cyclictest65850irq/126-lan22:00:323
3090699109,1cyclictest65850irq/126-lan21:45:153
309069998,1cyclictest65850irq/126-lan23:20:113
309069998,1cyclictest65850irq/126-lan00:25:193
309009998,1cyclictest743-21snmpd21:56:132
309009998,1cyclictest741-21lldpd19:48:032
309009996,2cyclictest743-21snmpd19:20:322
308959998,1cyclictest743-21snmpd20:33:321
308959998,1cyclictest743-21snmpd19:44:581
308959998,1cyclictest741-21lldpd23:03:111
308899998,1cyclictest743-21snmpd21:04:230
308899998,1cyclictest743-21snmpd00:07:290
308899998,1cyclictest741-21lldpd00:10:590
309069987,1cyclictest65850irq/126-lan20:45:003
309069987,1cyclictest65850irq/126-lan20:45:003
309009988,0cyclictest741-21lldpd20:23:392
309009988,0cyclictest522-21avahi-daemon23:20:212
309009987,1cyclictest743-21snmpd19:26:572
309009987,1cyclictest741-21lldpd22:26:562
309009987,1cyclictest22412-21gltestperf21:25:142
309009986,2cyclictest743-21snmpd00:13:332
308959988,0cyclictest743-21snmpd22:58:301
308959988,0cyclictest743-21snmpd22:08:051
308959988,0cyclictest743-21snmpd19:38:471
308959988,0cyclictest743-21snmpd00:27:081
308959988,0cyclictest741-21lldpd00:31:381
308959987,1cyclictest743-21snmpd21:50:461
308959987,1cyclictest743-21snmpd21:22:241
308959987,1cyclictest741-21lldpd00:35:161
308959986,2cyclictest743-21snmpd23:53:521
308959986,2cyclictest743-21snmpd23:31:221
308959986,2cyclictest743-21snmpd23:07:351
308959986,2cyclictest743-21snmpd20:59:531
308959986,2cyclictest743-21snmpd19:54:241
308899988,0cyclictest743-21snmpd23:44:560
308899988,0cyclictest743-21snmpd23:12:030
308899988,0cyclictest743-21snmpd22:31:290
308899988,0cyclictest743-21snmpd21:14:540
308899988,0cyclictest741-21lldpd22:45:520
308899988,0cyclictest741-21lldpd22:11:560
308899988,0cyclictest741-21lldpd00:19:290
308899987,1cyclictest743-21snmpd23:59:580
308899987,1cyclictest743-21snmpd23:51:160
308899987,1cyclictest743-21snmpd22:21:460
308899987,1cyclictest743-21snmpd21:57:370
308899987,1cyclictest743-21snmpd20:02:430
308899987,1cyclictest743-21snmpd19:32:080
308899987,1cyclictest743-21snmpd00:02:080
308899986,2cyclictest743-21snmpd23:35:030
308899986,2cyclictest743-21snmpd23:03:360
308899986,2cyclictest743-21snmpd19:51:000
308899986,2cyclictest717-21ntpd23:46:290
308899986,2cyclictest717-21ntpd23:31:490
308899986,2cyclictest717-21ntpd23:17:130
308899986,2cyclictest717-21ntpd23:08:560
308899986,2cyclictest717-21ntpd22:55:350
308899986,2cyclictest717-21ntpd21:52:070
308899986,2cyclictest717-21ntpd21:35:360
308899986,2cyclictest717-21ntpd20:49:140
308899986,2cyclictest717-21ntpd20:49:140
308899986,2cyclictest717-21ntpd20:41:390
308899986,2cyclictest717-21ntpd20:41:380
308899986,2cyclictest717-21ntpd20:31:440
308899986,2cyclictest717-21ntpd20:15:400
308899986,2cyclictest717-21ntpd20:10:440
308899986,2cyclictest717-21ntpd20:05:460
308899986,2cyclictest717-21ntpd19:35:540
308899986,2cyclictest717-21ntpd19:14:220
308899986,2cyclictest717-21ntpd00:37:540
308899986,2cyclictest717-21ntpd00:33:060
308899986,2cyclictest717-21ntpd00:21:000
309069973,3cyclictest23766-21memory00:05:173
309009977,0cyclictest743-21snmpd23:25:222
309009977,0cyclictest743-21snmpd22:30:252
309009977,0cyclictest743-21snmpd21:46:122
309009977,0cyclictest743-21snmpd00:35:442
309009977,0cyclictest743-21snmpd00:20:052
309009977,0cyclictest741-21lldpd23:54:362
309009977,0cyclictest741-21lldpd22:35:132
309009977,0cyclictest741-21lldpd21:21:552
309009977,0cyclictest741-21lldpd19:57:322
309009977,0cyclictest741-21lldpd19:35:552
309009977,0cyclictest741-21lldpd00:04:072
309009976,1cyclictest743-21snmpd23:18:242
309009976,1cyclictest743-21snmpd20:09:422
309009975,2cyclictest743-21snmpd20:50:262
309009975,2cyclictest743-21snmpd19:16:202
308959977,0cyclictest743-21snmpd00:23:501
308959977,0cyclictest741-21lldpd23:24:061
308959977,0cyclictest741-21lldpd22:34:071
308959977,0cyclictest741-21lldpd20:53:051
308959977,0cyclictest741-21lldpd20:37:051
308959977,0cyclictest741-21lldpd20:27:151
308959977,0cyclictest741-21lldpd00:18:211
308959976,1cyclictest743-21snmpd22:26:381
308959976,1cyclictest743-21snmpd20:47:431
308959976,1cyclictest743-21snmpd20:47:431
308959976,1cyclictest743-21snmpd19:55:281
308959976,1cyclictest522-21avahi-daemon21:59:471
308959976,1cyclictest522-21avahi-daemon00:02:121
308959976,1cyclictest506-21systemd-resolve19:17:191
308959975,2cyclictest743-21snmpd21:08:271
308959975,2cyclictest743-21snmpd20:44:231
308959975,2cyclictest743-21snmpd20:44:221
308959975,2cyclictest743-21snmpd20:09:571
308959975,2cyclictest18486-21cat21:15:151
308959973,3cyclictest244-20systemd-journal22:35:121
308899977,0cyclictest741-21lldpd21:17:340
308899976,1cyclictest743-21snmpd21:21:540
308899976,1cyclictest743-21snmpd20:51:590
308899976,1cyclictest743-21snmpd19:56:330
308899976,1cyclictest717-21ntpd19:40:070
308899975,2cyclictest743-21snmpd22:28:410
308899975,2cyclictest717-21ntpd19:17:210
308899975,2cyclictest717-21ntpd00:27:590
309009966,0cyclictest743-21snmpd21:13:532
309009966,0cyclictest741-21lldpd22:45:292
309009966,0cyclictest741-21lldpd21:02:082
309009966,0cyclictest6414-21nvmesmart_nvme020:45:162
309009966,0cyclictest6414-21nvmesmart_nvme020:45:162
309009965,1cyclictest743-21snmpd21:30:502
309009965,1cyclictest6589-21gltestperf22:05:172
309009965,1cyclictest3179-21cpuspeed_turbos20:40:142
309009965,1cyclictest3179-21cpuspeed_turbos20:40:132
309009965,1cyclictest1047-21cpuspeed_turbos23:10:122
309009964,2cyclictest743-21snmpd22:15:192
309009964,2cyclictest31449-21apt-get20:30:122
309009962,3cyclictest244-20systemd-journal21:15:152
308959966,0cyclictest743-21snmpd20:12:001
308959966,0cyclictest741-21lldpd23:56:211
308959966,0cyclictest741-21lldpd23:25:351
308959966,0cyclictest741-21lldpd21:10:141
308959966,0cyclictest741-21lldpd00:05:321
308959965,1cyclictest743-21snmpd23:46:111
308959965,1cyclictest522-21avahi-daemon23:42:041
308959965,1cyclictest25836-21needreboot00:10:141
308959965,1cyclictest13162-21gltestperf19:45:141
308959964,2cyclictest743-21snmpd22:12:471
308959964,2cyclictest743-21snmpd21:44:011
308959964,2cyclictest743-21snmpd19:33:591
308959963,3cyclictest32119-21sensors_temp19:10:221
308959963,2cyclictest24850-21grep21:30:131
308959963,2cyclictest244-20systemd-journal19:25:021
308959962,3cyclictest31068-21irqstats21:45:141
308899966,0cyclictest741-21lldpd23:20:220
308899966,0cyclictest741-21lldpd22:17:010
308899966,0cyclictest741-21lldpd21:40:410
308899966,0cyclictest741-21lldpd20:23:130
308899965,1cyclictest743-21snmpd21:34:540
308899965,1cyclictest743-21snmpd21:29:570
308899965,1cyclictest743-21snmpd21:07:000
308899965,1cyclictest741-21lldpd22:08:090
308899964,2cyclictest743-21snmpd22:00:240
308899964,2cyclictest743-21snmpd20:55:590
308899964,2cyclictest717-21ntpd22:54:200
308899961,5cyclictest557-21NetworkManager19:49:240
309009955,0cyclictest522-21avahi-daemon21:35:102
309009955,0cyclictest522-21avahi-daemon20:37:382
309009955,0cyclictest0-21swapper/219:10:142
309009954,1cyclictest506-21systemd-resolve19:52:542
309009954,1cyclictest0-21swapper/223:35:132
309009953,2cyclictest743-21snmpd23:47:592
309009953,2cyclictest743-21snmpd23:43:202
309009953,2cyclictest743-21snmpd20:56:192
309009952,3cyclictest557-21NetworkManager00:31:532
309009952,3cyclictest31358-21apt-get23:05:132
309009952,2cyclictest3985-21sh21:59:592
309009952,2cyclictest30894-21sshd20:26:322
309009952,2cyclictest29165-21sed21:40:142
309009952,2cyclictest25982-21sed20:15:142
309009952,2cyclictest24076-21gcc00:05:202
309009951,3cyclictest9540-21latency23:30:132
309009951,3cyclictest19478-21head23:55:142
309009951,3cyclictest11022-21entropy19:40:132
308959955,0cyclictest741-21lldpd22:40:541
308959955,0cyclictest741-21lldpd21:26:011
308959954,1cyclictest743-21snmpd22:52:141
308959954,1cyclictest3059-21cpuspeed_turbos23:15:121
308959953,2cyclictest743-21snmpd21:02:021
308959952,3cyclictest557-21NetworkManager23:10:321
308959952,2cyclictest20258-21sed20:00:211
308959950,4cyclictest26185-21ntpq20:15:171
308899955,0cyclictest522-21avahi-daemon19:23:010
308899955,0cyclictest0-21swapper/019:28:540
308899953,2cyclictest743-21snmpd22:36:250
308899952,2cyclictest30121-21awk20:25:150
309009943,1cyclictest504-21haveged22:10:102
309009942,2cyclictest557-21NetworkManager21:06:542
309009942,2cyclictest421ktimers/200:15:122
309009942,2cyclictest19623-21gcc20:00:162
309009941,3cyclictest557-21NetworkManager22:23:572
309009941,3cyclictest27012-21grep22:55:132
309009941,2cyclictest31262-21acpi00:25:122
309009940,4cyclictest29739-21ntpq23:00:182
309009940,4cyclictest21572-21ntpq22:40:182
309009940,3cyclictest6805-21apt-get19:30:112
309009940,3cyclictest25163-21fw_forwarded_lo22:50:142
309009940,3cyclictest23534-21diskstats20:10:142
308959944,0cyclictest743-21snmpd19:20:021
308959944,0cyclictest12425-21cpuspeed_turbos22:20:111
308959943,1cyclictest331ktimers/123:35:141
308959942,2cyclictest23163-21grep22:45:141
308959940,4cyclictest4461-21sort22:00:121
308959940,3cyclictest27379-21date20:20:001
308959940,3cyclictest27277-21ntpq21:35:171
308959940,3cyclictest11169-21ntp_states22:15:191
308899942,2cyclictest743-21snmpd22:40:060
308899941,2cyclictest7037-21apt-get23:25:120
308899941,2cyclictest1849-21ntp_kernel_pll_20:35:160
308899940,4cyclictest31346-21ntpq21:45:160
309009933,0cyclictest0-21swapper/221:50:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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