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2026-05-25 - 16:51

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 Mon May 25, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5662991918,1cyclictest65850irq/126-lan12:20:011
5662991818,0cyclictest65850irq/126-lan11:15:181
5662991818,0cyclictest65850irq/126-lan10:00:001
5662991818,0cyclictest65850irq/126-lan08:24:501
5662991818,0cyclictest65850irq/126-lan07:40:201
5662991817,1cyclictest65850irq/126-lan12:20:161
5662991817,1cyclictest65850irq/126-lan10:10:121
5662991717,0cyclictest65850irq/126-lan11:00:151
5662991717,0cyclictest65850irq/126-lan10:35:121
5662991717,0cyclictest65850irq/126-lan08:30:291
5662991717,0cyclictest65850irq/126-lan07:17:291
5662991716,1cyclictest65850irq/126-lan12:35:131
5662991716,1cyclictest65850irq/126-lan11:35:101
5662991716,1cyclictest65850irq/126-lan11:24:061
5662991716,1cyclictest65850irq/126-lan11:10:181
5662991716,1cyclictest65850irq/126-lan10:35:001
5662991716,1cyclictest65850irq/126-lan09:50:131
5662991716,1cyclictest65850irq/126-lan09:10:001
5662991716,1cyclictest65850irq/126-lan08:55:121
5662991716,1cyclictest65850irq/126-lan07:55:111
5662991716,1cyclictest65850irq/126-lan07:35:201
5662991616,0cyclictest65850irq/126-lan11:48:301
5662991616,0cyclictest65850irq/126-lan08:45:131
5662991616,0cyclictest65850irq/126-lan08:35:301
5662991616,0cyclictest65850irq/126-lan08:05:121
5662991615,1cyclictest65850irq/126-lan12:30:201
5662991615,1cyclictest65850irq/126-lan12:10:121
5662991615,1cyclictest65850irq/126-lan09:40:191
5662991615,1cyclictest65850irq/126-lan09:25:111
5662991615,1cyclictest65850irq/126-lan09:00:131
5662991615,1cyclictest65850irq/126-lan07:30:181
5662991615,1cyclictest65850irq/126-lan07:10:131
5662991515,0cyclictest65850irq/126-lan12:29:301
5662991515,0cyclictest65850irq/126-lan11:50:161
5662991515,0cyclictest65850irq/126-lan10:50:111
5662991515,0cyclictest65850irq/126-lan10:45:171
5662991515,0cyclictest65850irq/126-lan08:15:121
5662991514,1cyclictest65850irq/126-lan12:05:131
5662991514,1cyclictest65850irq/126-lan08:25:211
5662991514,1cyclictest65850irq/126-lan07:50:201
5662991414,0cyclictest65850irq/126-lan11:30:171
5662991414,0cyclictest65850irq/126-lan07:45:121
5662991413,1cyclictest65850irq/126-lan11:55:131
5662991413,1cyclictest65850irq/126-lan10:15:121
5662991413,1cyclictest65850irq/126-lan09:55:181
5662991313,0cyclictest65850irq/126-lan10:25:121
5662991313,0cyclictest65850irq/126-lan09:35:291
5662991313,0cyclictest65850irq/126-lan09:22:301
5662991313,0cyclictest65850irq/126-lan09:05:161
5662991313,0cyclictest65850irq/126-lan08:50:141
5662991313,0cyclictest65850irq/126-lan07:25:141
5662991312,1cyclictest65850irq/126-lan12:00:211
5662991312,1cyclictest65850irq/126-lan09:30:151
5662991312,1cyclictest65850irq/126-lan07:20:141
5653991311,2cyclictest717-21ntpd09:53:490
5662991212,0cyclictest65850irq/126-lan08:00:101
5662991211,1cyclictest65850irq/126-lan09:15:151
5662991211,1cyclictest65850irq/126-lan08:40:131
5662991111,0cyclictest65850irq/126-lan11:25:161
5662991110,1cyclictest65850irq/126-lan10:20:131
5662991110,1cyclictest65850irq/126-lan10:05:141
5662991110,1cyclictest65850irq/126-lan09:45:121
5662991010,0cyclictest65850irq/126-lan10:40:131
5662991010,0cyclictest65850irq/126-lan08:10:291
56729998,1cyclictest743-21snmpd10:15:073
56729998,1cyclictest743-21snmpd07:54:353
56689998,1cyclictest743-21snmpd10:37:112
56689998,1cyclictest743-21snmpd09:55:332
56689998,1cyclictest743-21snmpd09:49:032
56629998,1cyclictest65850irq/126-lan11:40:141
56629998,1cyclictest65850irq/126-lan11:05:011
56539998,1cyclictest743-21snmpd10:22:310
56539998,1cyclictest743-21snmpd10:19:010
56539998,1cyclictest743-21snmpd09:31:510
56539998,1cyclictest743-21snmpd07:49:140
56539998,1cyclictest743-21snmpd07:32:200
56539996,3cyclictest717-21ntpd11:53:040
56729988,0cyclictest743-21snmpd11:50:133
56729988,0cyclictest743-21snmpd11:37:033
56729988,0cyclictest743-21snmpd10:39:203
56729988,0cyclictest743-21snmpd10:08:463
56729988,0cyclictest741-21lldpd09:45:243
56729988,0cyclictest741-21lldpd08:42:013
56729988,0cyclictest741-21lldpd08:36:453
56729988,0cyclictest741-21lldpd07:46:333
56729987,1cyclictest743-21snmpd09:03:173
56729987,1cyclictest7321-21needreboot11:05:163
56729986,2cyclictest743-21snmpd12:05:253
56729986,2cyclictest743-21snmpd10:28:253
56729986,2cyclictest29731-21cat12:00:133
56729984,3cyclictest9024-21apt-get12:30:123
56689988,0cyclictest743-21snmpd11:07:232
56689988,0cyclictest743-21snmpd08:58:172
56689988,0cyclictest741-21lldpd10:54:512
56689987,1cyclictest743-21snmpd09:42:332
56689987,1cyclictest743-21snmpd09:25:052
56689987,1cyclictest743-21snmpd09:23:482
56689987,1cyclictest28617-21cpuspeed_turbos10:40:122
56689986,2cyclictest743-21snmpd09:07:512
56689986,2cyclictest743-21snmpd07:38:502
56689986,2cyclictest717-21ntpd12:00:302
56689986,2cyclictest717-21ntpd08:20:012
56689986,2cyclictest717-21ntpd07:55:012
56539988,0cyclictest743-21snmpd11:09:570
56539988,0cyclictest743-21snmpd10:57:200
56539988,0cyclictest743-21snmpd08:36:400
56539988,0cyclictest741-21lldpd09:16:490
56539988,0cyclictest741-21lldpd08:31:450
56539987,1cyclictest743-21snmpd10:04:400
56539987,1cyclictest743-21snmpd08:29:250
56539987,1cyclictest741-21lldpd11:15:340
56539986,2cyclictest743-21snmpd11:34:190
56539986,2cyclictest743-21snmpd10:07:490
56539986,2cyclictest743-21snmpd09:01:320
56539986,2cyclictest743-21snmpd07:41:020
56539986,2cyclictest743-21snmpd07:26:130
56539986,2cyclictest717-21ntpd12:17:110
56539986,2cyclictest717-21ntpd12:11:400
56539986,2cyclictest717-21ntpd12:05:520
56539986,2cyclictest717-21ntpd11:46:010
56539986,2cyclictest717-21ntpd11:10:480
56539986,2cyclictest717-21ntpd09:29:560
56539986,2cyclictest717-21ntpd08:52:540
56539986,2cyclictest717-21ntpd08:41:540
56539986,2cyclictest717-21ntpd07:35:090
56539986,2cyclictest29749-21cat12:00:150
56539985,3cyclictest717-21ntpd10:33:310
56539985,3cyclictest717-21ntpd09:55:260
56539985,3cyclictest717-21ntpd07:50:550
56539985,2cyclictest717-21ntpd08:49:580
56729977,0cyclictest743-21snmpd12:24:353
56729977,0cyclictest743-21snmpd11:44:503
56729977,0cyclictest743-21snmpd11:03:143
56729977,0cyclictest743-21snmpd10:50:143
56729977,0cyclictest743-21snmpd07:56:243
56729977,0cyclictest741-21lldpd10:42:013
56729977,0cyclictest741-21lldpd07:37:203
56729977,0cyclictest741-21lldpd07:33:243
56729976,1cyclictest743-21snmpd07:11:163
56729976,1cyclictest741-21lldpd11:34:413
56729976,1cyclictest522-21avahi-daemon12:29:453
56729976,1cyclictest522-21avahi-daemon10:20:313
56729976,1cyclictest522-21avahi-daemon08:25:243
56729975,2cyclictest743-21snmpd09:58:303
56729975,2cyclictest743-21snmpd08:32:013
56729975,2cyclictest743-21snmpd07:44:233
56689977,0cyclictest743-21snmpd11:54:102
56689977,0cyclictest743-21snmpd11:11:552
56689977,0cyclictest743-21snmpd10:10:292
56689977,0cyclictest743-21snmpd09:34:332
56689977,0cyclictest741-21lldpd11:23:272
56689977,0cyclictest741-21lldpd10:17:022
56689977,0cyclictest741-21lldpd08:50:522
56689976,1cyclictest743-21snmpd11:40:292
56689976,1cyclictest743-21snmpd11:31:332
56689976,1cyclictest743-21snmpd10:03:012
56689976,1cyclictest743-21snmpd08:10:542
56689976,1cyclictest717-21ntpd07:44:292
56689976,1cyclictest506-21systemd-resolve08:29:362
56689976,1cyclictest2095-21needreboot09:35:162
56689975,2cyclictest743-21snmpd12:16:092
56689975,2cyclictest743-21snmpd11:16:482
56689975,2cyclictest743-21snmpd10:59:512
56689975,2cyclictest743-21snmpd08:43:102
56689975,2cyclictest717-21ntpd12:30:312
56689975,2cyclictest717-21ntpd07:30:312
56689975,2cyclictest717-21ntpd07:12:282
56689973,3cyclictest26451-21ntp_192.168.11409:15:172
56629976,1cyclictest65850irq/126-lan10:55:101
56539977,0cyclictest741-21lldpd12:27:300
56539977,0cyclictest741-21lldpd10:12:310
56539976,1cyclictest743-21snmpd12:39:240
56539976,1cyclictest743-21snmpd08:22:460
56539976,1cyclictest741-21lldpd11:40:370
56539976,1cyclictest741-21lldpd07:19:560
56539975,2cyclictest743-21snmpd10:35:040
56539975,2cyclictest717-21ntpd11:55:340
56539975,2cyclictest717-21ntpd09:47:550
56539975,2cyclictest30983-21cat10:45:130
56539973,3cyclictest11150-21sed07:20:210
56729966,0cyclictest741-21lldpd08:57:473
56729965,1cyclictest743-21snmpd10:55:093
56729965,1cyclictest743-21snmpd09:39:043
56729965,1cyclictest16666-21fschecks_time10:10:123
56729964,2cyclictest743-21snmpd12:12:283
56729964,2cyclictest743-21snmpd09:15:593
56729964,2cyclictest743-21snmpd08:08:453
56729963,3cyclictest1339-21ntpq08:15:173
56729962,3cyclictest21588-21perl09:05:133
56689966,0cyclictest743-21snmpd07:16:402
56689966,0cyclictest741-21lldpd10:06:262
56689965,1cyclictest717-21ntpd08:01:012
56689965,1cyclictest717-21ntpd07:27:302
56689965,1cyclictest522-21avahi-daemon09:01:062
56689965,1cyclictest10340-21cat07:20:142
56689964,2cyclictest743-21snmpd11:55:282
56689964,2cyclictest743-21snmpd09:51:572
56689964,2cyclictest717-21ntpd08:05:012
56689964,2cyclictest717-21ntpd07:45:032
56689963,3cyclictest4648-21apt-get11:00:122
56539966,0cyclictest741-21lldpd11:28:310
56539966,0cyclictest741-21lldpd09:22:350
56539965,1cyclictest741-21lldpd09:37:460
56539965,1cyclictest522-21avahi-daemon10:55:000
56539965,1cyclictest522-21avahi-daemon10:40:440
56539965,1cyclictest26177-21unixbench_multi07:55:180
56539965,1cyclictest21374-21cpuspeed_turbos09:05:120
56539964,2cyclictest743-21snmpd08:06:070
56539964,2cyclictest1027-21cat08:15:150
56539963,2cyclictest5492-21ntpq11:00:170
56729955,0cyclictest522-21avahi-daemon12:39:533
56729954,1cyclictest743-21snmpd11:22:453
56729953,2cyclictest743-21snmpd11:10:073
56729953,2cyclictest743-21snmpd09:11:293
56729953,2cyclictest743-21snmpd08:53:193
56729953,2cyclictest743-21snmpd08:04:063
56729953,2cyclictest31405-21cat08:10:143
56729953,2cyclictest24924-21cat10:30:133
56729952,3cyclictest557-21NetworkManager11:55:393
56729952,3cyclictest557-21NetworkManager10:02:113
56729952,3cyclictest3462-21apt-get09:40:113
56729952,2cyclictest3616-21ps08:20:163
56729952,2cyclictest28524-21grep09:20:183
56729952,2cyclictest13526-21tail08:45:133
56729951,3cyclictest8451-21sed07:15:153
56729951,3cyclictest16137-21sshd11:25:393
56689955,0cyclictest741-21lldpd10:23:502
56689955,0cyclictest506-21systemd-resolve07:51:492
56689954,1cyclictest717-21ntpd12:35:302
56689954,1cyclictest717-21ntpd08:17:312
56689953,2cyclictest743-21snmpd11:25:072
56689953,2cyclictest557-21NetworkManager12:05:152
56689952,3cyclictest1231-21fw_packets12:10:122
56689952,3cyclictest10500-21seq08:35:382
56689952,2cyclictest7712-21ntp_192.168.11412:25:152
56689952,2cyclictest23559-21ld11:45:142
56689951,3cyclictest30842-21perl10:45:122
56689951,3cyclictest24957-21uname10:30:142
56689950,4cyclictest24564-21ntpq09:10:172
56539955,0cyclictest741-21lldpd09:42:310
56539954,1cyclictest27571-21needreboot08:00:150
56539953,2cyclictest743-21snmpd08:14:210
56539953,2cyclictest12736-21apt-get11:20:120
56539952,3cyclictest557-21NetworkManager12:33:410
56539952,3cyclictest557-21NetworkManager07:10:140
56539952,2cyclictest24036-21gltestperf09:10:140
56539952,2cyclictest19507-21ld11:35:140
56539951,4cyclictest557-21NetworkManager12:21:330
56539950,5cyclictest19004-21systemctl09:00:000
56729944,0cyclictest743-21snmpd09:30:573
56729943,1cyclictest511ktimers/312:15:143
56729943,1cyclictest511ktimers/309:50:183
56729942,2cyclictest10765-21ntpq07:20:173
56729942,2cyclictest10674-21find11:15:103
56729942,2cyclictest0-21swapper/310:45:123
56729941,2cyclictest30265-21uname09:25:133
56729941,2cyclictest23634-21collect211:45:153
56729941,2cyclictest12564-21needreboot07:25:163
56689944,0cyclictest0-21swapper/212:20:122
56689943,1cyclictest0-21swapper/208:45:122
56689941,2cyclictest6432-21http08:30:012
56689941,2cyclictest23349-21ntpq10:25:182
56689940,4cyclictest19538-21ntpq11:35:152
56539940,3cyclictest22650-21diskstats10:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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