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2026-06-18 - 10:10

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 highest latencies:
System rack8slot6s.osadl.org (updated Thu Jun 18, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7218991918,1cyclictest65850irq/126-lan22:20:003
7218991918,1cyclictest65850irq/126-lan20:50:013
7218991818,0cyclictest65850irq/126-lan19:40:333
7218991817,1cyclictest65850irq/126-lan23:40:193
7218991817,1cyclictest65850irq/126-lan20:10:133
7218991817,1cyclictest65850irq/126-lan00:05:203
7218991717,0cyclictest65850irq/126-lan23:20:203
7218991717,0cyclictest65850irq/126-lan20:55:013
7218991716,1cyclictest65850irq/126-lan23:10:183
7218991716,1cyclictest65850irq/126-lan22:45:213
7218991716,1cyclictest65850irq/126-lan20:40:173
7218991716,1cyclictest65850irq/126-lan20:35:133
7218991716,1cyclictest65850irq/126-lan19:50:163
7218991716,1cyclictest65850irq/126-lan19:35:173
7218991616,0cyclictest65850irq/126-lan23:30:173
7218991616,0cyclictest65850irq/126-lan22:55:113
7218991616,0cyclictest65850irq/126-lan20:20:113
7218991616,0cyclictest65850irq/126-lan00:25:203
7218991615,1cyclictest65850irq/126-lan23:55:133
7218991615,1cyclictest65850irq/126-lan23:25:173
7218991615,1cyclictest65850irq/126-lan20:00:013
7218991615,1cyclictest65850irq/126-lan19:55:183
7218991615,1cyclictest65850irq/126-lan00:35:123
7218991615,1cyclictest65850irq/126-lan00:00:173
7218991515,0cyclictest65850irq/126-lan23:50:183
7218991515,0cyclictest65850irq/126-lan23:00:013
7218991515,0cyclictest65850irq/126-lan22:40:543
7218991515,0cyclictest65850irq/126-lan22:11:173
7218991515,0cyclictest65850irq/126-lan22:01:473
7218991515,0cyclictest65850irq/126-lan21:40:163
7218991515,0cyclictest65850irq/126-lan21:10:133
7218991515,0cyclictest65850irq/126-lan19:15:193
7218991515,0cyclictest65850irq/126-lan00:20:123
7218991514,1cyclictest65850irq/126-lan23:45:123
7218991514,1cyclictest65850irq/126-lan22:00:003
7218991514,1cyclictest65850irq/126-lan20:20:013
7218991414,0cyclictest65850irq/126-lan23:15:153
7218991414,0cyclictest65850irq/126-lan21:35:123
7218991413,1cyclictest65850irq/126-lan23:35:163
7218991413,1cyclictest65850irq/126-lan22:15:143
7218991413,1cyclictest65850irq/126-lan20:25:123
7218991413,1cyclictest65850irq/126-lan20:05:183
7218991313,0cyclictest65850irq/126-lan22:50:133
7218991313,0cyclictest65850irq/126-lan21:19:173
7218991313,0cyclictest65850irq/126-lan19:49:183
7218991313,0cyclictest65850irq/126-lan00:18:273
7218991312,1cyclictest65850irq/126-lan22:35:133
7218991312,1cyclictest65850irq/126-lan21:28:173
7218991312,1cyclictest65850irq/126-lan21:20:113
7218991312,1cyclictest65850irq/126-lan19:25:123
7218991312,1cyclictest65850irq/126-lan00:30:103
7218991312,1cyclictest65850irq/126-lan00:10:143
7218991212,0cyclictest65850irq/126-lan23:09:173
7218991212,0cyclictest65850irq/126-lan21:30:123
7218991212,0cyclictest65850irq/126-lan19:10:163
7218991211,1cyclictest65850irq/126-lan22:30:143
7218991211,1cyclictest65850irq/126-lan21:05:143
7218991211,1cyclictest65850irq/126-lan20:30:153
7218991211,1cyclictest65850irq/126-lan19:30:103
7211991212,0cyclictest743-21snmpd23:21:081
7218991111,0cyclictest65850irq/126-lan20:50:313
7218991110,1cyclictest65850irq/126-lan22:28:173
7218991110,1cyclictest65850irq/126-lan22:05:193
7211991111,0cyclictest743-21snmpd23:44:211
7211991111,0cyclictest743-21snmpd21:21:311
7211991010,0cyclictest743-21snmpd00:28:521
72189999,0cyclictest65850irq/126-lan21:00:113
72169998,1cyclictest743-21snmpd21:02:452
72169998,1cyclictest741-21lldpd23:23:052
72119998,1cyclictest743-21snmpd22:49:071
72119998,1cyclictest743-21snmpd21:35:191
72119998,1cyclictest743-21snmpd19:42:191
72119998,1cyclictest741-21lldpd21:29:181
72039998,1cyclictest743-21snmpd23:14:380
72039998,1cyclictest743-21snmpd21:08:060
72039998,1cyclictest743-21snmpd00:08:550
72189988,0cyclictest65850irq/126-lan21:45:113
72189988,0cyclictest65850irq/126-lan19:20:193
72169988,0cyclictest743-21snmpd22:36:242
72169988,0cyclictest743-21snmpd21:35:072
72169988,0cyclictest743-21snmpd20:51:572
72169988,0cyclictest743-21snmpd00:38:232
72169988,0cyclictest741-21lldpd23:41:042
72169988,0cyclictest741-21lldpd23:35:542
72169988,0cyclictest741-21lldpd22:07:482
72169988,0cyclictest741-21lldpd22:01:522
72169988,0cyclictest741-21lldpd21:50:142
72169988,0cyclictest741-21lldpd21:46:302
72169987,1cyclictest743-21snmpd23:00:102
72169987,1cyclictest743-21snmpd21:11:042
72169987,1cyclictest743-21snmpd20:46:002
72169987,1cyclictest743-21snmpd19:51:552
72169987,1cyclictest743-21snmpd19:10:032
72169986,2cyclictest743-21snmpd23:16:112
72169986,2cyclictest743-21snmpd22:59:402
72169986,2cyclictest743-21snmpd22:30:092
72169986,2cyclictest743-21snmpd22:10:112
72169986,2cyclictest743-21snmpd21:30:192
72169986,2cyclictest743-21snmpd20:21:462
72169986,2cyclictest743-21snmpd00:33:212
72169986,2cyclictest743-21snmpd00:24:132
72169983,5cyclictest557-21NetworkManager21:40:132
72119988,0cyclictest743-21snmpd23:08:011
72119988,0cyclictest743-21snmpd20:14:081
72119988,0cyclictest743-21snmpd19:16:251
72119988,0cyclictest741-21lldpd22:41:351
72119988,0cyclictest741-21lldpd20:23:011
72119988,0cyclictest7377-21cat21:45:121
72119987,1cyclictest743-21snmpd22:51:581
72119987,1cyclictest743-21snmpd19:32:311
72119987,1cyclictest522-21avahi-daemon20:50:221
72119987,1cyclictest522-21avahi-daemon19:35:121
72119986,2cyclictest743-21snmpd20:58:541
72119986,2cyclictest743-21snmpd19:46:461
72119986,2cyclictest743-21snmpd19:22:131
72119986,2cyclictest743-21snmpd19:11:031
72119985,2cyclictest743-21snmpd23:35:321
72039988,0cyclictest743-21snmpd21:38:340
72039988,0cyclictest743-21snmpd00:01:420
72039988,0cyclictest741-21lldpd21:49:500
72039987,1cyclictest743-21snmpd22:13:440
72039987,1cyclictest741-21lldpd19:41:440
72039987,1cyclictest741-21lldpd00:17:160
72039987,1cyclictest522-21avahi-daemon23:40:170
72039987,1cyclictest522-21avahi-daemon20:23:340
72039987,1cyclictest506-21systemd-resolve19:56:030
72039986,2cyclictest743-21snmpd22:33:540
72039986,2cyclictest743-21snmpd22:22:240
72039986,2cyclictest743-21snmpd21:33:340
72039986,2cyclictest743-21snmpd21:04:330
72039986,2cyclictest743-21snmpd20:58:230
72189977,0cyclictest741-21lldpd21:54:103
72169977,0cyclictest743-21snmpd23:50:242
72169977,0cyclictest743-21snmpd23:31:142
72169977,0cyclictest743-21snmpd21:59:502
72169977,0cyclictest743-21snmpd20:38:442
72169977,0cyclictest743-21snmpd19:36:432
72169977,0cyclictest743-21snmpd19:31:162
72169977,0cyclictest741-21lldpd22:50:432
72169977,0cyclictest741-21lldpd21:07:172
72169976,1cyclictest743-21snmpd19:19:482
72169976,1cyclictest743-21snmpd00:27:372
72169976,1cyclictest522-21avahi-daemon19:25:212
72169975,2cyclictest743-21snmpd22:18:302
72169975,2cyclictest743-21snmpd19:59:262
72169975,2cyclictest743-21snmpd19:20:312
72169973,3cyclictest24431-21users22:25:192
72119977,0cyclictest743-21snmpd23:29:381
72119977,0cyclictest743-21snmpd22:12:311
72119977,0cyclictest743-21snmpd21:40:481
72119977,0cyclictest743-21snmpd20:16:171
72119977,0cyclictest743-21snmpd20:00:231
72119977,0cyclictest741-21lldpd22:31:001
72119977,0cyclictest5254-21cat23:00:131
72119976,1cyclictest743-21snmpd23:10:011
72119976,1cyclictest743-21snmpd22:16:391
72119976,1cyclictest743-21snmpd20:36:391
72119976,1cyclictest743-21snmpd20:33:411
72119976,1cyclictest522-21avahi-daemon23:55:171
72119976,1cyclictest522-21avahi-daemon23:54:271
72119975,2cyclictest743-21snmpd23:46:121
72119975,2cyclictest743-21snmpd20:26:231
72119975,2cyclictest743-21snmpd00:19:491
72039977,0cyclictest743-21snmpd23:25:500
72039977,0cyclictest743-21snmpd22:27:480
72039977,0cyclictest743-21snmpd21:19:430
72039977,0cyclictest743-21snmpd20:46:510
72039977,0cyclictest743-21snmpd20:39:300
72039977,0cyclictest741-21lldpd22:56:510
72039977,0cyclictest741-21lldpd21:22:040
72039977,0cyclictest741-21lldpd19:48:520
72039977,0cyclictest725-21in:imuxsock20:10:010
72039977,0cyclictest522-21avahi-daemon22:46:160
72039977,0cyclictest522-21avahi-daemon19:37:220
72039976,1cyclictest522-21avahi-daemon21:11:140
72039976,1cyclictest522-21avahi-daemon00:25:570
72039975,2cyclictest743-21snmpd22:18:270
72039975,2cyclictest743-21snmpd00:10:340
72039975,2cyclictest5343-21cat21:40:130
72039972,5cyclictest557-21NetworkManager23:00:300
72169966,0cyclictest743-21snmpd00:11:432
72169966,0cyclictest741-21lldpd23:11:532
72169965,1cyclictest743-21snmpd22:46:372
72169965,1cyclictest743-21snmpd21:29:252
72169965,1cyclictest28845-21cpuspeed_turbos21:20:112
72169965,1cyclictest244-20systemd-journal23:47:512
72169964,2cyclictest743-21snmpd23:05:582
72169964,2cyclictest743-21snmpd22:41:182
72169964,2cyclictest743-21snmpd19:46:552
72169964,2cyclictest743-21snmpd19:43:312
72169963,3cyclictest21900-21ntp_states22:20:172
72169963,2cyclictest28352-21grep20:00:162
72169960,5cyclictest557-21NetworkManager23:55:112
72119966,0cyclictest743-21snmpd00:30:161
72119966,0cyclictest741-21lldpd21:00:451
72119966,0cyclictest741-21lldpd20:43:491
72119966,0cyclictest741-21lldpd19:29:481
72119966,0cyclictest522-21avahi-daemon20:46:221
72119966,0cyclictest23503-21cat22:25:131
72119966,0cyclictest11636-21cat00:35:121
72119965,1cyclictest26828-21cpuspeed_turbos21:15:121
72119964,2cyclictest743-21snmpd00:04:421
72119962,3cyclictest25013-21fw_conntrack21:10:131
72039966,0cyclictest741-21lldpd23:36:400
72039966,0cyclictest741-21lldpd22:02:140
72039966,0cyclictest741-21lldpd19:51:370
72039966,0cyclictest522-21avahi-daemon19:33:210
72039965,1cyclictest743-21snmpd23:05:100
72039965,1cyclictest741-21lldpd20:34:010
72039965,1cyclictest522-21avahi-daemon22:40:040
72039965,1cyclictest522-21avahi-daemon21:50:390
72039965,1cyclictest522-21avahi-daemon00:20:110
72039964,2cyclictest743-21snmpd23:33:500
72039964,2cyclictest743-21snmpd19:27:580
72039963,2cyclictest11994-21mailstats21:55:190
72169955,0cyclictest741-21lldpd20:12:332
72169955,0cyclictest522-21avahi-daemon00:03:252
72169953,2cyclictest743-21snmpd21:16:162
72169953,2cyclictest743-21snmpd00:06:222
72169953,2cyclictest557-21NetworkManager20:41:522
72169952,3cyclictest557-21NetworkManager23:26:112
72169952,3cyclictest29599-21apt20:05:092
72169952,2cyclictest7519-21gpgv20:30:012
72169951,3cyclictest5741-21irqstats20:25:142
72169951,3cyclictest3118-21apt00:15:112
72119955,0cyclictest743-21snmpd19:51:011
72119955,0cyclictest741-21lldpd00:11:241
72119955,0cyclictest522-21avahi-daemon23:30:391
72119955,0cyclictest522-21avahi-daemon21:51:331
72119953,2cyclictest27298-21cron20:00:011
72119953,2cyclictest22640-21sed21:05:131
72119952,3cyclictest21924-21ntpq22:20:171
72119952,2cyclictest244-20systemd-journal22:05:511
72039955,0cyclictest741-21lldpd22:37:570
72039955,0cyclictest741-21lldpd19:20:370
72039954,1cyclictest743-21snmpd19:19:340
72039953,2cyclictest743-21snmpd20:03:230
72039953,2cyclictest557-21NetworkManager23:55:170
72039953,2cyclictest0-21swapper/023:45:160
72039952,3cyclictest9511-21grep00:30:120
72039952,3cyclictest557-21NetworkManager00:35:160
72039952,2cyclictest8654-21sed19:10:210
72039952,2cyclictest6588-21sed20:25:200
72039952,2cyclictest31882-21grep20:10:130
72039952,2cyclictest31030-21fschecks_time21:25:110
72039952,2cyclictest15742-21awk22:05:150
72039952,2cyclictest1204-21awk22:50:140
72169941,2cyclictest1988-21ldconfig20:15:142
72169941,2cyclictest18291-21ls20:55:112
72119944,0cyclictest743-21snmpd22:35:211
72119943,1cyclictest331ktimers/120:05:111
72119942,2cyclictest743-21snmpd23:15:111
72119942,2cyclictest743-21snmpd00:05:031
72119942,2cyclictest557-21NetworkManager22:00:111
72119941,2cyclictest3852-21switchtime22:55:191
72119941,2cyclictest11281-21expr21:55:121
72119941,2cyclictest1021-21cat21:30:151
72119940,3cyclictest5324-21diskstats00:20:121
72039942,2cyclictest743-21snmpd23:15:290
72039942,2cyclictest557-21NetworkManager23:20:220
72039942,2cyclictest26213-21ntpq23:50:170
72039941,3cyclictest16491-21perl20:50:130
72039941,2cyclictest2016-21ldconfig20:15:150
72039941,2cyclictest12917-21sed20:40:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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