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2026-06-08 - 10:38

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 Jun 08, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22984991919,0cyclictest65850irq/126-lan22:15:003
22984991918,1cyclictest65850irq/126-lan22:30:173
22984991818,0cyclictest65850irq/126-lan23:45:133
22984991818,0cyclictest65850irq/126-lan21:51:493
22984991818,0cyclictest65850irq/126-lan20:52:063
22984991817,1cyclictest65850irq/126-lan22:25:013
22984991817,1cyclictest65850irq/126-lan21:33:493
22984991817,1cyclictest65850irq/126-lan00:02:283
22984991717,0cyclictest65850irq/126-lan22:13:543
22984991716,1cyclictest65850irq/126-lan23:55:153
22984991716,1cyclictest65850irq/126-lan23:50:193
22984991716,1cyclictest65850irq/126-lan22:40:143
22984991716,1cyclictest65850irq/126-lan21:10:213
22984991716,1cyclictest65850irq/126-lan20:05:123
22984991716,1cyclictest65850irq/126-lan19:35:143
22984991616,0cyclictest65850irq/126-lan22:50:123
22984991616,0cyclictest65850irq/126-lan21:01:503
22984991616,0cyclictest65850irq/126-lan20:15:163
22984991616,0cyclictest65850irq/126-lan00:05:193
22984991615,1cyclictest65850irq/126-lan23:35:203
22984991615,1cyclictest65850irq/126-lan23:10:153
22984991615,1cyclictest65850irq/126-lan22:35:163
22984991615,1cyclictest65850irq/126-lan22:00:153
22984991615,1cyclictest65850irq/126-lan21:35:143
22984991615,1cyclictest65850irq/126-lan20:25:173
22984991615,1cyclictest65850irq/126-lan00:25:143
22984991515,0cyclictest65850irq/126-lan23:40:183
22984991515,0cyclictest65850irq/126-lan23:08:003
22984991515,0cyclictest65850irq/126-lan22:49:293
22984991515,0cyclictest65850irq/126-lan22:20:223
22984991515,0cyclictest65850irq/126-lan22:06:523
22984991515,0cyclictest65850irq/126-lan20:55:303
22984991515,0cyclictest65850irq/126-lan20:04:283
22984991515,0cyclictest65850irq/126-lan19:50:143
22984991514,1cyclictest65850irq/126-lan23:30:153
22984991514,1cyclictest65850irq/126-lan21:40:153
22984991514,1cyclictest65850irq/126-lan19:55:133
22984991514,1cyclictest65850irq/126-lan19:40:193
22984991514,1cyclictest65850irq/126-lan19:15:143
22984991514,1cyclictest65850irq/126-lan19:10:153
22984991514,1cyclictest65850irq/126-lan00:20:323
22984991414,0cyclictest65850irq/126-lan23:20:133
22984991413,1cyclictest65850irq/126-lan23:25:203
22984991413,1cyclictest65850irq/126-lan21:28:203
22984991413,1cyclictest65850irq/126-lan21:28:203
22984991413,1cyclictest65850irq/126-lan20:35:213
22984991313,0cyclictest65850irq/126-lan21:22:283
22984991313,0cyclictest65850irq/126-lan19:30:203
22984991313,0cyclictest65850irq/126-lan19:20:173
22984991312,1cyclictest65850irq/126-lan21:05:193
22984991312,1cyclictest65850irq/126-lan19:45:143
22984991212,0cyclictest65850irq/126-lan19:25:163
22984991212,0cyclictest65850irq/126-lan00:30:163
22984991211,1cyclictest65850irq/126-lan23:00:203
22984991211,1cyclictest65850irq/126-lan22:55:223
22984991211,1cyclictest65850irq/126-lan00:35:113
22984991111,0cyclictest65850irq/126-lan21:55:233
22984991111,0cyclictest65850irq/126-lan20:20:123
22984991111,0cyclictest65850irq/126-lan00:18:373
22984991110,1cyclictest65850irq/126-lan23:15:113
22984991110,1cyclictest65850irq/126-lan21:46:463
22984991110,1cyclictest65850irq/126-lan20:45:143
22984991110,1cyclictest65850irq/126-lan20:30:113
22984991110,1cyclictest65850irq/126-lan19:10:013
2298499109,1cyclictest65850irq/126-lan21:15:173
2297799108,2cyclictest743-21snmpd23:57:221
2297799107,3cyclictest743-21snmpd20:12:331
2297799106,4cyclictest743-21snmpd23:54:481
2297799105,2cyclictest743-21snmpd21:46:121
229809998,1cyclictest743-21snmpd22:16:252
229809998,1cyclictest743-21snmpd22:04:022
229809998,1cyclictest743-21snmpd20:30:122
229809998,1cyclictest743-21snmpd19:13:032
229809998,1cyclictest743-21snmpd00:26:022
229809998,1cyclictest741-21lldpd22:55:162
229779998,1cyclictest743-21snmpd00:34:281
229779996,3cyclictest743-21snmpd22:49:561
229779996,3cyclictest741-21lldpd19:30:181
229779996,3cyclictest25938-21cat20:35:151
229779995,4cyclictest743-21snmpd23:23:591
229779995,4cyclictest573-21in:imuxsock22:02:331
229779993,1cyclictest0-21swapper/123:40:171
229779992,3cyclictest6359-21grep19:45:191
229729998,1cyclictest743-21snmpd22:41:020
229729998,1cyclictest743-21snmpd20:49:010
229729998,1cyclictest741-21lldpd20:12:100
229849988,0cyclictest65850irq/126-lan20:40:153
229809988,0cyclictest743-21snmpd23:55:162
229809988,0cyclictest743-21snmpd23:34:042
229809988,0cyclictest743-21snmpd21:57:032
229809988,0cyclictest743-21snmpd21:14:082
229809988,0cyclictest743-21snmpd20:48:342
229809988,0cyclictest743-21snmpd20:44:282
229809988,0cyclictest743-21snmpd00:10:112
229809988,0cyclictest741-21lldpd23:00:482
229809988,0cyclictest741-21lldpd21:17:052
229809988,0cyclictest741-21lldpd19:41:402
229809987,1cyclictest743-21snmpd00:00:352
229809986,2cyclictest743-21snmpd22:40:442
229809986,2cyclictest743-21snmpd21:00:132
229809986,2cyclictest743-21snmpd20:27:572
229779988,0cyclictest743-21snmpd23:13:181
229779988,0cyclictest743-21snmpd23:04:061
229779988,0cyclictest743-21snmpd20:56:551
229779988,0cyclictest741-21lldpd23:30:491
229779988,0cyclictest741-21lldpd23:25:431
229779988,0cyclictest741-21lldpd22:59:141
229779987,1cyclictest6441-21cpuspeed_turbos23:45:121
229779986,2cyclictest743-21snmpd21:13:501
229779986,2cyclictest741-21lldpd19:24:481
229779986,2cyclictest522-21avahi-daemon21:05:551
229779986,2cyclictest10640-21unixbench_multi19:55:211
229779985,3cyclictest522-21avahi-daemon21:30:271
229779983,2cyclictest743-21snmpd19:50:131
229779983,2cyclictest557-21NetworkManager00:05:151
229779983,1cyclictest0-21swapper/120:15:141
229779982,3cyclictest743-21snmpd22:41:291
229779981,4cyclictest557-21NetworkManager20:51:331
229779980,4cyclictest14110-21ntpq20:05:151
229729988,0cyclictest743-21snmpd22:46:170
229729988,0cyclictest743-21snmpd22:14:550
229729988,0cyclictest741-21lldpd22:37:570
229729988,0cyclictest741-21lldpd22:21:530
229729988,0cyclictest741-21lldpd22:06:470
229729988,0cyclictest741-21lldpd21:21:200
229729988,0cyclictest741-21lldpd19:57:240
229729988,0cyclictest741-21lldpd00:36:500
229729987,1cyclictest743-21snmpd23:30:030
229729987,1cyclictest743-21snmpd22:02:090
229729987,1cyclictest743-21snmpd21:33:080
229729987,1cyclictest743-21snmpd19:38:240
229729987,1cyclictest743-21snmpd19:14:240
229729987,1cyclictest741-21lldpd23:55:210
229729987,1cyclictest741-21lldpd00:33:340
229729987,1cyclictest741-21lldpd00:17:310
229729986,2cyclictest743-21snmpd20:18:420
229849977,0cyclictest743-21snmpd20:12:153
229809977,0cyclictest743-21snmpd00:30:282
229809977,0cyclictest741-21lldpd23:43:132
229809977,0cyclictest741-21lldpd22:21:362
229809977,0cyclictest741-21lldpd00:15:332
229809976,1cyclictest743-21snmpd22:52:292
229809976,1cyclictest741-21lldpd00:05:422
229809976,1cyclictest5755-21cat19:45:132
229809976,1cyclictest522-21avahi-daemon19:38:182
229809975,2cyclictest743-21snmpd23:06:062
229809975,2cyclictest743-21snmpd22:25:282
229809975,2cyclictest743-21snmpd21:34:252
229809975,2cyclictest743-21snmpd19:27:492
229809974,3cyclictest557-21NetworkManager21:05:132
229779977,0cyclictest743-21snmpd22:50:101
229779977,0cyclictest743-21snmpd20:24:321
229779977,0cyclictest741-21lldpd20:44:181
229779977,0cyclictest741-21lldpd00:13:231
229779977,0cyclictest25824-21fwupd21:55:111
229779976,1cyclictest743-21snmpd23:36:211
229779976,1cyclictest743-21snmpd19:28:131
229779976,1cyclictest522-21avahi-daemon23:05:241
229779976,1cyclictest506-21systemd-resolve21:36:301
229779975,2cyclictest743-21snmpd21:29:321
229779975,2cyclictest743-21snmpd21:29:321
229779975,2cyclictest743-21snmpd21:20:341
229779975,2cyclictest743-21snmpd21:00:191
229779975,2cyclictest743-21snmpd20:30:451
229779975,2cyclictest743-21snmpd19:43:171
229779975,2cyclictest743-21snmpd19:12:391
229779975,2cyclictest743-21snmpd00:36:101
229779975,2cyclictest743-21snmpd00:00:051
229779975,2cyclictest717-21ntpd00:15:141
229779973,1cyclictest743-21snmpd20:00:141
229779972,2cyclictest24472-21sed00:25:201
229779971,3cyclictest557-21NetworkManager23:17:161
229729977,0cyclictest743-21snmpd23:40:370
229729977,0cyclictest743-21snmpd21:45:270
229729977,0cyclictest743-21snmpd00:21:170
229729977,0cyclictest741-21lldpd23:50:230
229729977,0cyclictest741-21lldpd21:00:310
229729977,0cyclictest741-21lldpd20:09:270
229729976,1cyclictest743-21snmpd22:28:430
229729976,1cyclictest743-21snmpd20:42:340
229729976,1cyclictest743-21snmpd19:40:010
229729976,1cyclictest743-21snmpd00:03:290
229729976,1cyclictest741-21lldpd21:35:440
229729976,1cyclictest741-21lldpd20:51:140
229729976,1cyclictest244-20systemd-journal23:15:240
229729975,2cyclictest743-21snmpd23:47:160
229729975,2cyclictest743-21snmpd23:09:350
229729975,2cyclictest743-21snmpd23:03:540
229729975,2cyclictest743-21snmpd22:56:470
229729975,2cyclictest743-21snmpd22:18:250
229729975,2cyclictest743-21snmpd21:10:070
229729975,2cyclictest743-21snmpd20:35:020
229729975,2cyclictest743-21snmpd20:20:050
229729975,2cyclictest5664-21cat21:05:130
229809966,0cyclictest743-21snmpd22:10:132
229809966,0cyclictest743-21snmpd20:56:102
229809966,0cyclictest741-21lldpd21:26:252
229809966,0cyclictest741-21lldpd21:26:252
229809966,0cyclictest741-21lldpd20:18:442
229809966,0cyclictest522-21avahi-daemon22:05:072
229809966,0cyclictest522-21avahi-daemon21:37:082
229809965,1cyclictest743-21snmpd22:46:142
229809965,1cyclictest743-21snmpd22:38:442
229809965,1cyclictest743-21snmpd21:20:522
229809965,1cyclictest522-21avahi-daemon23:36:012
229809965,1cyclictest506-21systemd-resolve22:32:592
229809965,1cyclictest22079-21fschecks_time21:45:122
229809964,2cyclictest743-21snmpd20:54:062
229809963,3cyclictest24316-21memory23:10:162
229809961,5cyclictest557-21NetworkManager19:21:412
229779966,0cyclictest743-21snmpd22:21:061
229779965,1cyclictest11399-21dump-pmu-power22:39:591
229779964,2cyclictest743-21snmpd20:26:331
229779964,2cyclictest717-21ntpd22:30:141
229779964,2cyclictest717-21ntpd22:25:161
229779964,0cyclictest741-21lldpd21:51:501
229779963,3cyclictest557-21NetworkManager20:45:021
229779962,3cyclictest21388-21apt-get00:20:121
229779961,2cyclictest25807-21cut19:15:121
229729966,0cyclictest743-21snmpd23:35:270
229729966,0cyclictest743-21snmpd23:25:300
229729966,0cyclictest743-21snmpd19:16:520
229729966,0cyclictest741-21lldpd20:56:510
229729965,1cyclictest743-21snmpd21:50:260
229729965,1cyclictest743-21snmpd21:43:540
229729965,1cyclictest573-21in:imuxsock00:06:080
229729965,1cyclictest522-21avahi-daemon21:15:460
229729963,3cyclictest29804-21df_inode19:25:140
229729963,3cyclictest23569-21df_inode00:25:130
229729963,3cyclictest11554-21diskstats20:00:140
229849955,0cyclictest65850irq/126-lan00:10:193
229809955,0cyclictest522-21avahi-daemon20:24:502
229809955,0cyclictest522-21avahi-daemon19:33:342
229809954,1cyclictest9424-21cpuspeed_turbos19:55:122
229809954,1cyclictest743-21snmpd23:28:092
229809954,1cyclictest743-21snmpd23:19:512
229809954,1cyclictest573-21in:imuxsock23:45:142
229809954,1cyclictest522-21avahi-daemon20:35:022
229809954,1cyclictest522-21avahi-daemon20:01:082
229809953,2cyclictest29754-21sshd23:22:082
229809952,3cyclictest557-21NetworkManager21:53:582
229809952,2cyclictest575-21rs:main2
229809952,2cyclictest244-20systemd-journal20:05:202
229809951,4cyclictest557-21NetworkManager19:52:142
229779952,3cyclictest557-21NetworkManager22:08:581
229729955,0cyclictest743-21snmpd19:31:550
229729955,0cyclictest741-21lldpd23:20:180
229729954,1cyclictest17149-21needreboot00:10:160
229729954,1cyclictest0-21swapper/021:55:110
229729953,2cyclictest28495-21ldconfig19:20:170
229729953,2cyclictest0-21swapper/023:13:060
229729952,3cyclictest9064-21sshd22:31:290
229729952,3cyclictest557-21NetworkManager22:54:480
229729952,2cyclictest24267-21ld20:30:170
229809941,3cyclictest743-21snmpd23:50:092
229809941,3cyclictest15702-21fw_packets20:10:132
229809941,2cyclictest575-21rs:main2
229809941,2cyclictest575-21rs:main2
229809941,2cyclictest575-21rs:main2
229779942,2cyclictest557-21NetworkManager21:17:361
229779942,2cyclictest1543-21apt-get22:15:121
229779941,2cyclictest32513-21grep22:10:161
229779941,2cyclictest1286-21grep19:35:111
229779940,3cyclictest20504-21sh21:40:171
229729943,1cyclictest171ktimers/019:50:140
229729942,2cyclictest14456-21ldconfig21:25:160
229729942,2cyclictest14456-21ldconfig21:25:150
229729941,2cyclictest6043-21ld19:45:150
229729941,2cyclictest21973-21ls20:25:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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