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2026-03-06 - 14:01

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 all highest latencies:
System rack8slot6s.osadl.org (updated Fri Mar 06, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17871993333,0cyclictest21700-21fwupd19:18:402
17871991818,0cyclictest65850irq/126-lan23:14:072
17871991818,0cyclictest65850irq/126-lan22:00:112
17871991818,0cyclictest65850irq/126-lan20:22:172
17871991817,1cyclictest65850irq/126-lan22:20:012
17871991817,1cyclictest65850irq/126-lan20:25:142
17871991717,0cyclictest743-21snmpd22:07:332
17871991717,0cyclictest743-21snmpd20:11:002
17871991717,0cyclictest743-21snmpd19:28:222
17871991717,0cyclictest743-21snmpd00:28:312
17871991717,0cyclictest65850irq/126-lan23:05:212
17871991717,0cyclictest65850irq/126-lan21:59:442
17871991717,0cyclictest65850irq/126-lan21:40:112
17871991717,0cyclictest65850irq/126-lan20:15:042
17871991717,0cyclictest65850irq/126-lan19:50:152
17871991717,0cyclictest3486-21cat21:10:132
17871991717,0cyclictest1748-21cat23:45:142
17871991717,0cyclictest15920-21cat00:20:172
17871991716,1cyclictest65850irq/126-lan19:35:112
17871991616,0cyclictest743-21snmpd23:41:512
17871991616,0cyclictest743-21snmpd21:47:022
17871991616,0cyclictest743-21snmpd21:26:522
17871991616,0cyclictest743-21snmpd19:42:172
17871991616,0cyclictest65850irq/126-lan23:30:122
17871991616,0cyclictest65850irq/126-lan23:20:152
17871991616,0cyclictest65850irq/126-lan22:55:122
17871991616,0cyclictest65850irq/126-lan22:45:122
17871991616,0cyclictest65850irq/126-lan22:35:142
17871991616,0cyclictest65850irq/126-lan21:37:102
17871991616,0cyclictest65850irq/126-lan21:21:552
17871991616,0cyclictest65850irq/126-lan20:45:172
17871991616,0cyclictest65850irq/126-lan20:05:172
17871991616,0cyclictest65850irq/126-lan19:55:192
17871991616,0cyclictest65850irq/126-lan19:33:182
17871991616,0cyclictest65850irq/126-lan19:12:482
17871991616,0cyclictest65850irq/126-lan00:13:402
17871991615,1cyclictest65850irq/126-lan23:50:142
17871991615,1cyclictest65850irq/126-lan22:25:172
17871991615,1cyclictest65850irq/126-lan20:35:132
17871991515,0cyclictest65850irq/126-lan23:25:152
17871991515,0cyclictest65850irq/126-lan22:50:092
17871991515,0cyclictest65850irq/126-lan20:30:212
17871991515,0cyclictest65850irq/126-lan19:45:162
17871991515,0cyclictest65850irq/126-lan00:38:152
17871991515,0cyclictest65850irq/126-lan00:31:122
17871991514,1cyclictest65850irq/126-lan21:50:202
17871991514,1cyclictest65850irq/126-lan20:41:182
17871991414,0cyclictest65850irq/126-lan23:39:402
17871991414,0cyclictest65850irq/126-lan23:15:112
17871991414,0cyclictest65850irq/126-lan22:40:152
17871991414,0cyclictest65850irq/126-lan22:20:162
17871991414,0cyclictest65850irq/126-lan20:00:222
17871991313,0cyclictest65850irq/126-lan21:00:212
17871991313,0cyclictest65850irq/126-lan19:24:532
17871991313,0cyclictest65850irq/126-lan00:05:002
17871991312,1cyclictest65850irq/126-lan23:00:162
17871991312,1cyclictest65850irq/126-lan21:05:182
17871991312,1cyclictest65850irq/126-lan00:16:552
17871991212,0cyclictest743-21snmpd20:53:242
17871991212,0cyclictest65850irq/126-lan21:30:202
17871991212,0cyclictest65850irq/126-lan20:55:152
17871991211,1cyclictest65850irq/126-lan23:55:152
17871991211,1cyclictest65850irq/126-lan21:15:122
17871991111,0cyclictest65850irq/126-lan22:10:132
1787199109,1cyclictest65850irq/126-lan22:30:132
178759998,1cyclictest743-21snmpd21:32:323
178719999,0cyclictest65850irq/126-lan00:00:152
178669998,1cyclictest743-21snmpd21:15:011
178669998,1cyclictest743-21snmpd20:34:421
178669998,1cyclictest743-21snmpd00:38:131
178669998,1cyclictest741-21lldpd22:59:571
178669996,3cyclictest717-21ntpd20:57:231
178629998,1cyclictest743-21snmpd22:20:540
178759988,0cyclictest743-21snmpd23:37:263
178759988,0cyclictest743-21snmpd20:39:353
178759988,0cyclictest743-21snmpd00:01:083
178759988,0cyclictest741-21lldpd21:08:453
178759988,0cyclictest741-21lldpd19:54:043
178759987,1cyclictest743-21snmpd20:01:433
178759986,2cyclictest743-21snmpd20:41:453
178759986,2cyclictest743-21snmpd20:07:253
178759986,2cyclictest743-21snmpd00:13:073
178669988,0cyclictest743-21snmpd23:38:201
178669988,0cyclictest743-21snmpd20:02:471
178669988,0cyclictest741-21lldpd23:59:371
178669988,0cyclictest741-21lldpd00:04:081
178669987,1cyclictest743-21snmpd23:00:541
178669987,1cyclictest743-21snmpd21:40:221
178669987,1cyclictest743-21snmpd21:11:061
178669987,1cyclictest743-21snmpd20:42:181
178669987,1cyclictest741-21lldpd20:18:511
178669987,1cyclictest18313-21fschecks_time19:10:141
178669986,2cyclictest743-21snmpd23:52:241
178669986,2cyclictest717-21ntpd22:40:031
178669986,2cyclictest717-21ntpd22:36:021
178669986,2cyclictest717-21ntpd22:30:541
178669986,2cyclictest717-21ntpd22:27:151
178669986,2cyclictest717-21ntpd21:21:581
178669986,2cyclictest717-21ntpd20:50:511
178669986,2cyclictest717-21ntpd20:10:291
178669986,2cyclictest717-21ntpd20:06:061
178669986,2cyclictest717-21ntpd19:56:291
178669986,2cyclictest717-21ntpd19:35:381
178669986,2cyclictest717-21ntpd00:30:041
178669986,2cyclictest717-21ntpd00:25:471
178669986,2cyclictest717-21ntpd00:20:371
178669986,2cyclictest717-21ntpd00:07:091
178629988,0cyclictest743-21snmpd21:37:230
178629988,0cyclictest743-21snmpd20:55:270
178629988,0cyclictest741-21lldpd23:36:340
178629988,0cyclictest741-21lldpd22:41:590
178629988,0cyclictest741-21lldpd21:18:380
178629988,0cyclictest741-21lldpd20:12:120
178629987,1cyclictest743-21snmpd20:02:080
178629986,2cyclictest743-21snmpd22:05:570
178629986,2cyclictest743-21snmpd20:51:030
178629986,2cyclictest743-21snmpd20:32:060
178629986,2cyclictest743-21snmpd19:36:240
178629984,3cyclictest6179-21ntp_states23:55:180
178759977,0cyclictest743-21snmpd22:10:353
178759977,0cyclictest743-21snmpd21:16:463
178759977,0cyclictest741-21lldpd21:03:023
178759977,0cyclictest741-21lldpd20:23:143
178759977,0cyclictest741-21lldpd19:46:203
178759976,1cyclictest743-21snmpd22:51:133
178759976,1cyclictest743-21snmpd22:48:223
178759976,1cyclictest743-21snmpd19:23:283
178759976,1cyclictest31104-21sh21:00:013
178759976,1cyclictest3060-21cut23:49:593
178759975,2cyclictest743-21snmpd23:05:203
178759975,2cyclictest743-21snmpd22:16:243
178759975,2cyclictest743-21snmpd21:57:113
178759975,2cyclictest743-21snmpd21:52:493
178759975,2cyclictest743-21snmpd20:48:133
178669977,0cyclictest741-21lldpd23:07:341
178669977,0cyclictest741-21lldpd22:02:411
178669976,1cyclictest743-21snmpd23:43:331
178669976,1cyclictest743-21snmpd23:34:401
178669976,1cyclictest743-21snmpd21:56:051
178669976,1cyclictest743-21snmpd20:22:591
178669976,1cyclictest741-21lldpd23:17:371
178669976,1cyclictest741-21lldpd19:30:241
178669976,1cyclictest717-21ntpd20:47:161
178669975,2cyclictest743-21snmpd23:20:501
178669975,2cyclictest743-21snmpd22:07:481
178669975,2cyclictest743-21snmpd21:48:471
178669975,2cyclictest743-21snmpd21:39:471
178669975,2cyclictest743-21snmpd19:54:131
178669975,2cyclictest717-21ntpd19:40:071
178629977,0cyclictest743-21snmpd21:32:590
178629977,0cyclictest743-21snmpd20:15:540
178629977,0cyclictest741-21lldpd23:52:160
178629977,0cyclictest741-21lldpd19:12:560
178629977,0cyclictest522-21avahi-daemon23:42:510
178629977,0cyclictest23029-21dump-pmu-power20:40:000
178629976,1cyclictest743-21snmpd22:45:450
178629976,1cyclictest743-21snmpd19:40:230
178629976,1cyclictest741-21lldpd21:45:330
178629976,1cyclictest25915-21gltestperf23:25:170
178629975,2cyclictest743-21snmpd19:17:510
178759966,0cyclictest743-21snmpd23:23:563
178759966,0cyclictest743-21snmpd19:44:293
178759966,0cyclictest741-21lldpd20:26:093
178759966,0cyclictest741-21lldpd20:13:433
178759966,0cyclictest522-21avahi-daemon22:38:323
178759966,0cyclictest522-21avahi-daemon19:56:263
178759965,1cyclictest743-21snmpd22:43:363
178759965,1cyclictest743-21snmpd00:30:063
178759965,1cyclictest743-21snmpd00:18:033
178759965,1cyclictest522-21avahi-daemon19:25:043
178759964,2cyclictest743-21snmpd23:02:343
178759964,2cyclictest743-21snmpd22:22:273
178759964,2cyclictest743-21snmpd21:21:373
178759963,3cyclictest3316-21apt-get23:50:133
178759963,2cyclictest3058-21apt-get21:10:113
178669966,0cyclictest743-21snmpd22:22:451
178669966,0cyclictest741-21lldpd23:25:401
178669965,1cyclictest743-21snmpd20:36:051
178669965,1cyclictest522-21avahi-daemon19:17:321
178669965,1cyclictest506-21systemd-resolve22:52:411
178669965,1cyclictest24421-21gltestperf19:25:141
178669964,2cyclictest743-21snmpd21:02:491
178669963,3cyclictest557-21NetworkManager20:27:021
178629966,0cyclictest743-21snmpd22:35:280
178629966,0cyclictest743-21snmpd22:19:560
178629966,0cyclictest743-21snmpd21:00:250
178629966,0cyclictest741-21lldpd20:20:440
178629966,0cyclictest522-21avahi-daemon23:16:500
178629966,0cyclictest522-21avahi-daemon21:58:550
178629965,1cyclictest743-21snmpd22:31:180
178629965,1cyclictest741-21lldpd23:49:320
178629965,1cyclictest506-21systemd-resolve19:20:410
178629965,1cyclictest11713-21gltestperf00:10:130
178629964,2cyclictest743-21snmpd00:20:130
178629963,3cyclictest23473-21diskstats20:40:110
178629962,3cyclictest19401-21grep21:50:150
178629962,3cyclictest1138-21grep19:45:210
178629962,3cyclictest1057-21awk21:05:140
178629962,2cyclictest10357-21cat20:10:000
178759955,0cyclictest741-21lldpd00:28:253
178759955,0cyclictest522-21avahi-daemon23:59:163
178759955,0cyclictest522-21avahi-daemon19:14:473
178759954,1cyclictest20865-21ntpq19:15:163
178759953,2cyclictest9851-21cat00:05:153
178759953,2cyclictest743-21snmpd23:30:313
178759953,2cyclictest743-21snmpd23:25:433
178759953,2cyclictest16263-21ntpq00:20:203
178759952,3cyclictest557-21NetworkManager21:28:393
178759952,2cyclictest29236-21latency_hist20:55:003
178759952,2cyclictest27136-21find19:30:173
178759952,2cyclictest244-20systemd-journal23:43:533
178759952,2cyclictest244-20systemd-journal20:17:453
178759952,2cyclictest22841-21sed23:15:203
178759952,2cyclictest20148-21ls23:10:143
178759951,3cyclictest25568-21fw_packets22:05:133
178759951,3cyclictest244-20systemd-journal21:45:563
178669954,1cyclictest743-21snmpd22:12:381
178669954,1cyclictest522-21avahi-daemon21:50:301
178669953,2cyclictest743-21snmpd21:06:301
178669952,3cyclictest557-21NetworkManager23:47:361
178669952,3cyclictest11972-21memory00:10:141
178669951,3cyclictest9962-21ntp_states21:25:191
178669951,3cyclictest29529-21grep22:15:111
178669951,3cyclictest22406-21fw_conntrack19:20:141
178669951,3cyclictest13887-21irqstats00:15:161
178669950,5cyclictest557-21NetworkManager21:31:511
178669950,4cyclictest32341-21cut19:45:111
178629955,0cyclictest522-21avahi-daemon23:04:420
178629955,0cyclictest522-21avahi-daemon00:04:310
178629954,1cyclictest522-21avahi-daemon00:05:080
178629953,2cyclictest743-21snmpd22:59:520
178629953,2cyclictest743-21snmpd19:54:580
178629952,3cyclictest557-21NetworkManager19:29:440
178629952,2cyclictest8817-21sshd21:24:400
178629952,2cyclictest28906-21sed23:30:200
178629952,2cyclictest244-20systemd-journal00:36:200
178629951,3cyclictest557-21NetworkManager20:45:130
178629951,3cyclictest27652-21sed22:10:130
178629951,3cyclictest12115-21grep22:50:140
178629950,5cyclictest0-21swapper/023:09:420
178759944,0cyclictest743-21snmpd22:55:003
178759944,0cyclictest22805-21smartctl00:35:163
178759942,2cyclictest1661-21grep22:25:133
178759942,2cyclictest16390-21wc21:40:213
178759941,2cyclictest575-21rs:main3
178759941,2cyclictest3969-21expr22:30:163
178759941,2cyclictest23264-21https22:00:123
178759941,2cyclictest19851-21ls20:30:183
178759940,4cyclictest28893-21ntpq19:35:153
178669942,2cyclictest19928-21cut23:10:141
178669941,2cyclictest9621-21df_inode22:45:111
178629943,1cyclictest26927-21ntpq19:30:150
178629943,1cyclictest171ktimers/000:25:140
178629942,2cyclictest557-21NetworkManager21:10:120
178629941,3cyclictest743-21snmpd22:25:120
178629941,3cyclictest557-21NetworkManager23:13:330
178629941,2cyclictest9291-21df21:25:140
178629941,2cyclictest20308-21smartctl00:30:130
178629941,2cyclictest15261-21ls21:40:110
178629941,2cyclictest13416-21find00:15:130
178629940,4cyclictest4996-21ntpq19:55:170
178629940,4cyclictest18076-21ntp_states20:25:180
178629940,3cyclictest24059-21ntpq22:00:170
178629940,0cyclictest0-21swapper/023:20:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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