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2026-05-15 - 05:51

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 highest latencies:
System rack8slot6s.osadl.org (updated Fri May 15, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24271991918,1cyclictest65850irq/126-lan22:35:131
24271991918,1cyclictest65850irq/126-lan22:30:131
24271991818,0cyclictest65850irq/126-lan23:45:131
24271991818,0cyclictest65850irq/126-lan21:31:451
24271991817,1cyclictest65850irq/126-lan23:15:171
24271991817,1cyclictest65850irq/126-lan22:00:181
24271991817,1cyclictest65850irq/126-lan19:50:181
24271991817,1cyclictest65850irq/126-lan19:25:171
24271991817,1cyclictest65850irq/126-lan00:30:171
24271991717,0cyclictest65850irq/126-lan23:55:131
24271991717,0cyclictest65850irq/126-lan23:54:431
24271991717,0cyclictest65850irq/126-lan21:54:441
24271991717,0cyclictest65850irq/126-lan21:37:431
24271991717,0cyclictest65850irq/126-lan21:08:121
24271991717,0cyclictest65850irq/126-lan20:20:131
24271991717,0cyclictest65850irq/126-lan20:02:011
24271991716,1cyclictest65850irq/126-lan23:40:161
24271991716,1cyclictest65850irq/126-lan23:20:151
24271991716,1cyclictest65850irq/126-lan23:10:251
24271991716,1cyclictest65850irq/126-lan21:00:131
24271991716,1cyclictest65850irq/126-lan20:55:141
24271991716,1cyclictest65850irq/126-lan20:36:161
24271991716,1cyclictest65850irq/126-lan19:10:121
24271991616,0cyclictest65850irq/126-lan23:36:501
24271991616,0cyclictest65850irq/126-lan23:03:431
24271991616,0cyclictest65850irq/126-lan22:40:111
24271991616,0cyclictest65850irq/126-lan22:15:111
24271991616,0cyclictest65850irq/126-lan21:27:451
24271991616,0cyclictest65850irq/126-lan00:35:131
24271991615,1cyclictest65850irq/126-lan21:20:131
24271991615,1cyclictest65850irq/126-lan21:15:211
24271991515,0cyclictest65850irq/126-lan23:30:151
24271991515,0cyclictest65850irq/126-lan23:05:151
24271991515,0cyclictest65850irq/126-lan22:55:111
24271991515,0cyclictest65850irq/126-lan21:40:171
24271991515,0cyclictest65850irq/126-lan20:16:141
24271991514,1cyclictest65850irq/126-lan22:45:151
24271991514,1cyclictest65850irq/126-lan21:56:381
24271991514,1cyclictest65850irq/126-lan20:40:121
24271991514,1cyclictest65850irq/126-lan20:30:131
24271991514,1cyclictest65850irq/126-lan19:20:141
24271991514,1cyclictest65850irq/126-lan00:25:131
24271991514,1cyclictest65850irq/126-lan00:00:171
24271991414,0cyclictest65850irq/126-lan19:46:081
24271991414,0cyclictest65850irq/126-lan19:33:431
24271991414,0cyclictest65850irq/126-lan00:20:121
24271991414,0cyclictest65850irq/126-lan00:07:331
24271991413,1cyclictest65850irq/126-lan22:50:141
24271991413,1cyclictest65850irq/126-lan22:28:421
24271991413,1cyclictest65850irq/126-lan21:45:171
24271991413,1cyclictest65850irq/126-lan20:05:151
24271991413,1cyclictest65850irq/126-lan19:40:131
24271991413,1cyclictest65850irq/126-lan19:35:161
24271991413,1cyclictest65850irq/126-lan19:15:161
24271991313,0cyclictest65850irq/126-lan22:10:471
24271991312,1cyclictest65850irq/126-lan22:05:171
24271991312,1cyclictest65850irq/126-lan19:55:161
24271991212,0cyclictest65850irq/126-lan23:25:001
24271991212,0cyclictest65850irq/126-lan20:45:131
24271991211,1cyclictest65850irq/126-lan22:20:011
24271991211,1cyclictest65850irq/126-lan21:10:161
24271991211,1cyclictest65850irq/126-lan00:10:161
24271991111,0cyclictest65850irq/126-lan20:27:051
242819998,1cyclictest743-21snmpd19:30:423
242819998,1cyclictest741-21lldpd19:25:583
242779998,1cyclictest743-21snmpd19:39:552
242779998,1cyclictest743-21snmpd00:12:312
242719999,0cyclictest65850irq/126-lan20:50:001
242639998,1cyclictest743-21snmpd23:11:050
242639998,1cyclictest743-21snmpd22:32:450
242639998,1cyclictest743-21snmpd22:12:150
242819988,0cyclictest743-21snmpd19:11:513
242819988,0cyclictest741-21lldpd23:47:313
242819988,0cyclictest741-21lldpd22:04:373
242819987,1cyclictest743-21snmpd20:42:133
242819987,1cyclictest743-21snmpd00:24:113
242819986,2cyclictest743-21snmpd23:18:443
242819986,2cyclictest743-21snmpd23:00:043
242819986,2cyclictest743-21snmpd22:46:373
242819986,2cyclictest743-21snmpd22:34:283
242819986,2cyclictest743-21snmpd21:36:383
242819986,2cyclictest743-21snmpd00:12:013
242819986,2cyclictest24156-21uniq23:05:133
242779988,0cyclictest743-21snmpd22:17:002
242779988,0cyclictest743-21snmpd21:51:052
242779988,0cyclictest743-21snmpd19:46:372
242779988,0cyclictest741-21lldpd23:23:042
242779988,0cyclictest741-21lldpd22:20:352
242779988,0cyclictest741-21lldpd21:49:472
242779988,0cyclictest741-21lldpd20:53:492
242779988,0cyclictest741-21lldpd19:44:092
242779987,1cyclictest743-21snmpd21:25:222
242779987,1cyclictest741-21lldpd19:31:182
242779987,1cyclictest741-21lldpd19:13:202
242779987,1cyclictest573-21in:imuxsock23:30:242
242779986,2cyclictest743-21snmpd20:33:092
242719987,1cyclictest65850irq/126-lan20:10:151
242639988,0cyclictest743-21snmpd21:30:370
242639988,0cyclictest741-21lldpd20:22:060
242639988,0cyclictest741-21lldpd00:25:170
242639987,1cyclictest743-21snmpd22:55:500
242639987,1cyclictest743-21snmpd19:26:540
242639987,1cyclictest743-21snmpd00:30:290
242639987,1cyclictest741-21lldpd20:42:450
242639987,1cyclictest741-21lldpd19:46:120
242639987,1cyclictest18474-21needreboot22:50:160
242639986,2cyclictest743-21snmpd22:35:070
242639986,2cyclictest717-21ntpd23:06:480
242639986,2cyclictest717-21ntpd23:02:310
242639986,2cyclictest717-21ntpd21:53:570
242639986,2cyclictest717-21ntpd21:27:070
242639986,2cyclictest717-21ntpd20:27:210
242819977,0cyclictest741-21lldpd23:52:043
242819977,0cyclictest741-21lldpd21:47:233
242819977,0cyclictest741-21lldpd21:03:563
242819977,0cyclictest741-21lldpd20:03:283
242819976,1cyclictest743-21snmpd20:21:113
242819976,1cyclictest743-21snmpd19:36:073
242819976,1cyclictest743-21snmpd00:39:113
242819976,1cyclictest743-21snmpd00:25:293
242819976,1cyclictest743-21snmpd00:02:513
242819975,2cyclictest743-21snmpd23:39:453
242819975,2cyclictest743-21snmpd22:37:583
242819975,2cyclictest743-21snmpd21:16:503
242819975,2cyclictest743-21snmpd21:11:493
242819975,2cyclictest743-21snmpd20:45:333
242819974,3cyclictest12589-21cat23:55:163
242819973,3cyclictest30163-21df23:20:123
242779977,0cyclictest743-21snmpd23:15:052
242779977,0cyclictest743-21snmpd21:42:322
242779977,0cyclictest743-21snmpd21:36:162
242779977,0cyclictest741-21lldpd20:13:052
242779977,0cyclictest741-21lldpd19:25:222
242779977,0cyclictest741-21lldpd19:24:352
242779976,1cyclictest743-21snmpd21:58:532
242779976,1cyclictest743-21snmpd20:56:032
242779976,1cyclictest741-21lldpd22:56:342
242779976,1cyclictest26549-21cpuspeed_turbos19:15:112
242779975,2cyclictest743-21snmpd23:51:402
242779975,2cyclictest743-21snmpd22:12:482
242779975,2cyclictest743-21snmpd19:58:532
242779975,2cyclictest743-21snmpd00:23:282
242779975,2cyclictest23212-21cat20:25:122
242719977,0cyclictest65850irq/126-lan00:15:181
242639977,0cyclictest743-21snmpd22:16:120
242639977,0cyclictest743-21snmpd00:18:460
242639977,0cyclictest741-21lldpd19:59:060
242639977,0cyclictest741-21lldpd19:34:140
242639977,0cyclictest741-21lldpd00:38:160
242639977,0cyclictest741-21lldpd00:20:080
242639976,1cyclictest743-21snmpd19:21:240
242639976,1cyclictest717-21ntpd21:35:080
242639976,1cyclictest4692-21idleruntime-cro21:00:000
242639975,2cyclictest743-21snmpd22:47:220
242639975,2cyclictest743-21snmpd22:06:300
242639975,2cyclictest743-21snmpd21:59:200
242639975,2cyclictest743-21snmpd21:41:320
242639975,2cyclictest743-21snmpd20:11:230
242639975,2cyclictest743-21snmpd00:14:010
242819966,0cyclictest743-21snmpd22:29:093
242819966,0cyclictest743-21snmpd20:51:303
242819966,0cyclictest743-21snmpd00:18:423
242819966,0cyclictest741-21lldpd23:42:303
242819966,0cyclictest741-21lldpd22:07:303
242819966,0cyclictest741-21lldpd21:34:003
242819966,0cyclictest741-21lldpd21:00:003
242819966,0cyclictest741-21lldpd19:23:313
242819966,0cyclictest522-21avahi-daemon22:21:243
242819965,1cyclictest741-21lldpd22:18:253
242819965,1cyclictest728-21rs:main3
242819965,1cyclictest522-21avahi-daemon23:25:263
242819965,1cyclictest26655-21fschecks_count19:15:123
242819964,2cyclictest743-21snmpd22:55:253
242819964,2cyclictest743-21snmpd22:12:003
242819964,2cyclictest743-21snmpd21:24:133
242819964,2cyclictest557-21NetworkManager21:40:123
242819963,3cyclictest25883-21fw_packets21:50:143
242819963,2cyclictest244-20systemd-journal19:52:053
242819962,3cyclictest14846-21tr22:40:183
242819961,5cyclictest557-21NetworkManager23:12:463
242779966,0cyclictest743-21snmpd23:46:482
242779966,0cyclictest743-21snmpd22:04:482
242779966,0cyclictest743-21snmpd21:02:312
242779966,0cyclictest743-21snmpd20:04:322
242779966,0cyclictest741-21lldpd23:40:302
242779966,0cyclictest741-21lldpd22:50:052
242779966,0cyclictest741-21lldpd22:43:442
242779966,0cyclictest741-21lldpd21:10:332
242779966,0cyclictest741-21lldpd20:41:332
242779966,0cyclictest741-21lldpd00:26:472
242779965,1cyclictest743-21snmpd21:18:202
242779965,1cyclictest522-21avahi-daemon20:35:152
242779964,2cyclictest743-21snmpd21:07:282
242779962,4cyclictest557-21NetworkManager23:04:402
242639966,0cyclictest741-21lldpd23:45:410
242639966,0cyclictest741-21lldpd21:10:570
242639966,0cyclictest741-21lldpd00:06:210
242639965,1cyclictest741-21lldpd23:38:030
242639965,1cyclictest717-21ntpd21:48:420
242639965,1cyclictest522-21avahi-daemon00:01:330
242639964,2cyclictest743-21snmpd23:53:030
242639964,2cyclictest743-21snmpd22:25:210
242639964,2cyclictest19158-21cat20:15:140
242639962,3cyclictest8646-21apt-get19:50:110
242639962,3cyclictest6826-21ntpq23:40:170
242639962,3cyclictest244-20systemd-journal22:03:070
242819955,0cyclictest741-21lldpd20:25:293
242819955,0cyclictest522-21avahi-daemon19:45:333
242819954,1cyclictest27556-21ntpq20:35:163
242819954,1cyclictest26410-21cpuspeed_turbos00:30:113
242819954,1cyclictest2370-21gltestperf23:30:143
242819952,3cyclictest7566-21diskstats21:05:113
242819952,3cyclictest557-21NetworkManager19:59:003
242819952,2cyclictest17226-21ps00:05:213
242819952,2cyclictest16027-21grep20:05:223
242819951,3cyclictest26169-21vmstat20:30:223
242779955,0cyclictest741-21lldpd22:46:142
242779955,0cyclictest741-21lldpd00:31:082
242779955,0cyclictest522-21avahi-daemon00:07:052
242779954,1cyclictest10089-21gltestperf22:30:132
242779953,2cyclictest743-21snmpd20:18:322
242779952,2cyclictest7755-21apt22:25:092
242779952,2cyclictest27410-21sshd23:11:432
242779952,2cyclictest244-20systemd-journal00:15:232
242779952,2cyclictest18515-21cat21:30:202
242779951,3cyclictest32220-21tune2fs23:25:142
242779951,3cyclictest31842-21cut22:05:132
242779950,5cyclictest557-21NetworkManager00:00:022
242639955,0cyclictest743-21snmpd21:21:590
242639955,0cyclictest741-21lldpd19:35:300
242639954,1cyclictest4695-21cpuspeed_turbos19:40:110
242639954,1cyclictest13224-21sendmail21:20:010
242639953,2cyclictest743-21snmpd23:20:050
242639953,2cyclictest0-21swapper/023:26:230
242639953,2cyclictest0-21swapper/019:15:000
242639952,3cyclictest557-21NetworkManager23:30:140
242639952,2cyclictest743-21snmpd20:00:020
242639952,2cyclictest575-21rs:main0
242639952,2cyclictest5366-21cat21:00:120
242639952,2cyclictest28766-21awk23:15:160
242639952,2cyclictest25316-21sed20:30:150
242639952,2cyclictest244-20systemd-journal21:09:560
242639952,2cyclictest16581-21latency_hist20:10:000
242639951,4cyclictest557-21NetworkManager23:58:130
242639950,4cyclictest1204-21fw_conntrack20:50:120
242819942,2cyclictest743-21snmpd20:15:083
242819941,3cyclictest5067-21cat19:40:153
242819941,2cyclictest18317-21cut22:50:163
242819940,4cyclictest16191-21ntpq21:25:163
242819940,3cyclictest28231-21sed21:55:143
242779943,1cyclictest4943-21ntpq23:35:192
242779943,1cyclictest0-21swapper/220:45:142
242779942,2cyclictest743-21snmpd21:21:102
242779941,2cyclictest9256-21sed19:50:152
242779941,2cyclictest21229-21uname20:20:122
242779941,2cyclictest12327-21df_inode23:55:142
242779940,4cyclictest29220-21ntpq00:35:192
242779940,3cyclictest14868-21df20:05:132
242639943,1cyclictest31025-21df20:45:120
242639941,2cyclictest6258-21sed22:20:130
242639941,2cyclictest24781-21grep19:10:140
242639940,0cyclictest0-21swapper/022:40:200
242779931,2cyclictest24372-21cat23:05:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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