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2026-04-16 - 03:10

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 Thu Apr 16, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18721991817,1cyclictest65850irq/126-lan23:20:111
18721991817,1cyclictest65850irq/126-lan21:55:001
18721991817,1cyclictest65850irq/126-lan21:20:151
18721991817,1cyclictest65850irq/126-lan21:15:131
18721991817,1cyclictest65850irq/126-lan19:10:181
18721991717,0cyclictest65850irq/126-lan22:40:191
18721991717,0cyclictest65850irq/126-lan21:55:021
18721991717,0cyclictest65850irq/126-lan21:30:141
18721991717,0cyclictest65850irq/126-lan21:30:141
18721991717,0cyclictest65850irq/126-lan00:12:331
18721991717,0cyclictest65850irq/126-lan00:08:231
18721991716,1cyclictest65850irq/126-lan23:49:141
18721991716,1cyclictest65850irq/126-lan23:00:191
18721991716,1cyclictest65850irq/126-lan22:10:161
18721991716,1cyclictest65850irq/126-lan22:02:031
18721991716,1cyclictest65850irq/126-lan21:35:141
18721991716,1cyclictest65850irq/126-lan21:05:001
18721991716,1cyclictest65850irq/126-lan21:00:201
18721991716,1cyclictest65850irq/126-lan19:38:441
18721991716,1cyclictest65850irq/126-lan19:30:121
18721991616,0cyclictest65850irq/126-lan23:10:121
18721991616,0cyclictest65850irq/126-lan22:55:171
18721991616,0cyclictest65850irq/126-lan22:21:131
18721991616,0cyclictest65850irq/126-lan19:15:161
18721991616,0cyclictest65850irq/126-lan00:25:151
18721991615,1cyclictest65850irq/126-lan23:15:121
18721991615,1cyclictest65850irq/126-lan22:30:171
18721991615,1cyclictest65850irq/126-lan20:15:111
18721991615,1cyclictest65850irq/126-lan19:45:121
18721991515,0cyclictest65850irq/126-lan23:55:191
18721991515,0cyclictest65850irq/126-lan21:00:001
18721991515,0cyclictest65850irq/126-lan19:25:121
18721991515,0cyclictest65850irq/126-lan19:24:131
18721991515,0cyclictest65850irq/126-lan00:20:121
18721991514,1cyclictest65850irq/126-lan23:35:141
18721991514,1cyclictest65850irq/126-lan23:30:121
18721991514,1cyclictest65850irq/126-lan22:50:141
18721991514,1cyclictest65850irq/126-lan21:45:121
18721991514,1cyclictest65850irq/126-lan21:25:141
18721991514,1cyclictest65850irq/126-lan21:25:131
18721991514,1cyclictest65850irq/126-lan21:10:121
18721991514,1cyclictest65850irq/126-lan20:45:101
18721991514,1cyclictest65850irq/126-lan19:55:131
18721991514,1cyclictest65850irq/126-lan00:35:121
18721991514,1cyclictest65850irq/126-lan00:30:151
18721991514,1cyclictest65850irq/126-lan00:00:131
18721991414,0cyclictest65850irq/126-lan23:05:121
18721991414,0cyclictest65850irq/126-lan21:40:161
18721991414,0cyclictest65850irq/126-lan20:00:111
18721991413,1cyclictest65850irq/126-lan23:40:111
18721991413,1cyclictest65850irq/126-lan22:45:131
18721991313,0cyclictest65850irq/126-lan22:15:161
18721991313,0cyclictest65850irq/126-lan20:20:141
18721991313,0cyclictest65850irq/126-lan20:10:141
18721991313,0cyclictest65850irq/126-lan19:43:131
18721991312,1cyclictest65850irq/126-lan20:30:151
18721991312,1cyclictest65850irq/126-lan19:50:331
18721991212,0cyclictest65850irq/126-lan22:25:131
18721991111,0cyclictest65850irq/126-lan22:35:191
18721991111,0cyclictest65850irq/126-lan20:05:151
18721991110,1cyclictest65850irq/126-lan23:25:171
1872199109,1cyclictest65850irq/126-lan20:50:161
18721991010,0cyclictest65850irq/126-lan20:25:131
18721991010,0cyclictest65850irq/126-lan00:15:201
187279998,1cyclictest741-21lldpd22:32:573
187239998,1cyclictest743-21snmpd20:14:302
187239998,1cyclictest743-21snmpd00:23:052
187239998,1cyclictest741-21lldpd23:05:112
187219998,1cyclictest65850irq/126-lan23:53:131
187219998,1cyclictest65850irq/126-lan20:40:201
187179998,1cyclictest743-21snmpd00:31:070
187279988,0cyclictest743-21snmpd23:22:203
187279988,0cyclictest741-21lldpd23:56:593
187279987,1cyclictest743-21snmpd19:37:283
187279987,1cyclictest743-21snmpd19:31:433
187279987,1cyclictest743-21snmpd19:25:343
187279987,1cyclictest743-21snmpd19:21:253
187279986,2cyclictest743-21snmpd23:38:423
187279986,2cyclictest743-21snmpd23:33:413
187279986,2cyclictest743-21snmpd22:36:463
187279986,2cyclictest743-21snmpd22:00:333
187279986,2cyclictest743-21snmpd20:48:253
187279986,2cyclictest22118-21cat20:35:143
187279986,2cyclictest13626-21cat20:15:143
187239988,0cyclictest743-21snmpd22:41:232
187239988,0cyclictest741-21lldpd23:41:272
187239988,0cyclictest741-21lldpd22:57:482
187239988,0cyclictest741-21lldpd22:30:172
187239987,1cyclictest743-21snmpd21:56:272
187239987,1cyclictest743-21snmpd19:33:432
187239986,2cyclictest743-21snmpd23:27:242
187239986,2cyclictest743-21snmpd23:24:592
187239986,2cyclictest743-21snmpd20:05:082
187239986,2cyclictest743-21snmpd00:36:032
187219988,0cyclictest741-21lldpd20:38:451
187219987,1cyclictest65850irq/126-lan22:05:111
187179988,0cyclictest743-21snmpd19:22:040
187179988,0cyclictest743-21snmpd00:16:080
187179988,0cyclictest741-21lldpd22:40:180
187179988,0cyclictest741-21lldpd22:36:330
187179988,0cyclictest741-21lldpd22:25:320
187179988,0cyclictest741-21lldpd22:24:530
187179988,0cyclictest741-21lldpd20:38:110
187179987,1cyclictest743-21snmpd23:46:310
187179987,1cyclictest741-21lldpd00:05:380
187179987,1cyclictest522-21avahi-daemon20:30:020
187179986,2cyclictest743-21snmpd21:36:590
187179986,2cyclictest743-21snmpd21:27:240
187179986,2cyclictest743-21snmpd21:27:230
187179985,3cyclictest743-21snmpd22:34:430
187279977,0cyclictest743-21snmpd23:54:303
187279977,0cyclictest741-21lldpd23:27:133
187279977,0cyclictest741-21lldpd23:11:103
187279977,0cyclictest741-21lldpd21:31:003
187279977,0cyclictest741-21lldpd21:31:003
187279977,0cyclictest741-21lldpd21:25:503
187279977,0cyclictest741-21lldpd21:25:503
187279977,0cyclictest741-21lldpd20:24:073
187279977,0cyclictest741-21lldpd19:51:113
187279976,1cyclictest743-21snmpd20:40:243
187279976,1cyclictest743-21snmpd00:32:033
187279976,1cyclictest743-21snmpd00:19:373
187279976,1cyclictest522-21avahi-daemon22:08:593
187279976,1cyclictest24678-21grep00:35:153
187279975,2cyclictest743-21snmpd23:45:513
187279975,2cyclictest743-21snmpd23:17:593
187279975,2cyclictest743-21snmpd23:04:053
187279975,2cyclictest743-21snmpd22:50:463
187279975,2cyclictest743-21snmpd22:45:043
187279975,2cyclictest743-21snmpd22:23:553
187279975,2cyclictest743-21snmpd21:17:373
187279975,2cyclictest743-21snmpd21:00:553
187279975,2cyclictest743-21snmpd19:43:413
187279975,2cyclictest743-21snmpd00:08:213
187239977,0cyclictest743-21snmpd23:56:422
187239977,0cyclictest743-21snmpd23:31:262
187239977,0cyclictest743-21snmpd21:11:022
187239977,0cyclictest743-21snmpd00:06:032
187239977,0cyclictest741-21lldpd22:39:292
187239977,0cyclictest741-21lldpd22:04:442
187239977,0cyclictest741-21lldpd21:02:382
187239977,0cyclictest741-21lldpd20:44:402
187239977,0cyclictest522-21avahi-daemon21:16:412
187239976,1cyclictest743-21snmpd23:04:172
187239976,1cyclictest743-21snmpd22:13:512
187239976,1cyclictest743-21snmpd19:59:352
187239976,1cyclictest741-21lldpd19:24:202
187239976,1cyclictest741-21lldpd00:17:532
187239975,2cyclictest743-21snmpd23:51:122
187239975,2cyclictest743-21snmpd20:00:052
187239975,2cyclictest743-21snmpd19:45:022
187239975,2cyclictest11107-21cat22:45:132
187239974,3cyclictest743-21snmpd22:15:422
187179977,0cyclictest743-21snmpd20:02:410
187179977,0cyclictest741-21lldpd23:01:590
187179977,0cyclictest741-21lldpd21:49:340
187179977,0cyclictest741-21lldpd20:50:510
187179977,0cyclictest741-21lldpd19:25:140
187179976,1cyclictest743-21snmpd23:34:180
187179976,1cyclictest743-21snmpd20:09:140
187179976,1cyclictest743-21snmpd19:55:500
187179976,1cyclictest743-21snmpd19:31:580
187179976,1cyclictest743-21snmpd00:10:130
187179976,1cyclictest741-21lldpd21:51:040
187179976,1cyclictest557-21NetworkManager21:55:130
187179976,1cyclictest522-21avahi-daemon21:00:230
187179976,1cyclictest506-21systemd-resolve19:43:560
187179976,1cyclictest16278-21gltestperf21:40:120
187179975,2cyclictest743-21snmpd23:59:210
187179975,2cyclictest743-21snmpd23:36:440
187179975,2cyclictest743-21snmpd23:12:080
187179975,2cyclictest743-21snmpd21:11:340
187179975,2cyclictest743-21snmpd21:07:100
187179975,2cyclictest743-21snmpd00:00:340
187179974,3cyclictest24645-21diskstats22:00:110
187179973,3cyclictest20118-21memory00:25:140
187279966,0cyclictest741-21lldpd21:37:043
187279966,0cyclictest741-21lldpd20:10:113
187279966,0cyclictest741-21lldpd19:57:073
187279966,0cyclictest741-21lldpd00:12:213
187279966,0cyclictest522-21avahi-daemon21:49:393
187279966,0cyclictest244-20systemd-journal21:40:233
187279966,0cyclictest17900-21needreboot20:25:153
187279965,1cyclictest743-21snmpd22:17:513
187279965,1cyclictest2897-21gltestperf22:25:113
187279964,2cyclictest9598-21cat20:05:143
187279964,2cyclictest743-21snmpd21:51:363
187279964,2cyclictest743-21snmpd21:14:263
187279964,2cyclictest743-21snmpd21:06:013
187279964,2cyclictest743-21snmpd20:57:253
187279964,2cyclictest743-21snmpd20:53:433
187279964,2cyclictest743-21snmpd19:12:103
187279962,3cyclictest29789-21sed22:10:203
187239966,0cyclictest741-21lldpd22:27:472
187239966,0cyclictest741-21lldpd21:40:542
187239966,0cyclictest741-21lldpd21:20:122
187239966,0cyclictest741-21lldpd20:52:072
187239966,0cyclictest741-21lldpd19:36:362
187239965,1cyclictest8804-21fschecks_count00:00:112
187239965,1cyclictest743-21snmpd20:31:422
187239965,1cyclictest743-21snmpd19:53:172
187239965,1cyclictest743-21snmpd19:40:222
187239965,1cyclictest522-21avahi-daemon21:33:232
187239965,1cyclictest522-21avahi-daemon21:33:232
187239964,2cyclictest743-21snmpd00:33:012
187239963,3cyclictest743-21snmpd20:47:462
187239962,3cyclictest10273-21head21:25:132
187239962,3cyclictest10273-21head21:25:132
187239961,2cyclictest19128-21cat20:30:002
187179966,0cyclictest743-21snmpd20:25:160
187179966,0cyclictest743-21snmpd00:20:460
187179966,0cyclictest741-21lldpd22:48:190
187179966,0cyclictest741-21lldpd22:18:550
187179966,0cyclictest741-21lldpd21:21:460
187179966,0cyclictest575-21rs:main0
187179966,0cyclictest522-21avahi-daemon23:26:010
187179965,1cyclictest743-21snmpd20:42:120
187179965,1cyclictest743-21snmpd20:24:480
187179965,1cyclictest19341-21cat19:10:130
187179964,2cyclictest743-21snmpd19:35:190
187179964,2cyclictest743-21snmpd19:19:130
187179962,3cyclictest1341-21ntp_states23:40:150
187279955,0cyclictest741-21lldpd22:44:173
187279955,0cyclictest22706-21sendmail19:20:003
187279954,1cyclictest17602-21cpuspeed_turbos00:20:113
187279953,2cyclictest743-21snmpd00:26:513
187279952,2cyclictest8011-21ld20:00:163
187279952,2cyclictest741-21lldpd00:00:293
187279952,2cyclictest575-21rs:main3
187279952,2cyclictest15627-21ls22:55:193
187279951,3cyclictest23473-21tr21:55:193
187239955,0cyclictest741-21lldpd22:23:472
187239953,2cyclictest28320-21sed22:10:012
187239953,2cyclictest244-20systemd-journal23:45:152
187239953,2cyclictest23210-21cat23:15:132
187239953,2cyclictest13534-21sed20:15:132
187239952,3cyclictest557-21NetworkManager21:39:022
187239952,3cyclictest557-21NetworkManager21:05:312
187239952,3cyclictest19724-21df_inode00:25:112
187239952,2cyclictest31220-21grep20:55:212
187239952,2cyclictest244-20systemd-journal20:22:222
187239952,2cyclictest20229-21grep19:10:202
187239951,2cyclictest22730-21cat23:15:002
187239950,4cyclictest13809-21ntpq00:10:152
187179955,0cyclictest741-21lldpd20:12:430
187179955,0cyclictest522-21avahi-daemon23:21:170
187179955,0cyclictest522-21avahi-daemon22:52:020
187179955,0cyclictest522-21avahi-daemon21:34:410
187179955,0cyclictest522-21avahi-daemon21:34:410
187179955,0cyclictest522-21avahi-daemon20:45:300
187179953,2cyclictest717-21ntpd23:05:160
187179952,3cyclictest557-21NetworkManager22:55:440
187179952,2cyclictest4426-21sed19:50:200
187179952,2cyclictest244-20systemd-journal23:17:380
187179952,2cyclictest244-20systemd-journal20:55:020
187179951,3cyclictest26786-21fw_packets22:05:130
187179950,4cyclictest6471-21cat23:55:000
187279943,1cyclictest741-21lldpd23:41:473
187279941,2cyclictest19633-21grep23:05:173
187279940,4cyclictest8614-21ntpq21:20:163
187279940,3cyclictest1640-21memory19:45:143
187239941,2cyclictest25560-21sed19:25:152
187239941,2cyclictest21308-21sh19:15:132
187239941,2cyclictest12951-21grep22:50:102
187239940,4cyclictest21846-21df20:35:122
187239940,3cyclictest20070-21apt-config21:50:012
187239940,3cyclictest17952-21taskset21:45:032
187179942,2cyclictest0-21swapper/000:35:020
187179941,2cyclictest6089-21fschecks_count21:15:120
187179940,3cyclictest28670-21diskstats22:10:120
187179940,3cyclictest1244-21diskstats19:45:120
187239930,3cyclictest30854-21/usr/sbin/munin23:35:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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