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2026-04-06 - 07:22

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 Mon Apr 06, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12653991918,1cyclictest65850irq/126-lan22:25:181
12653991818,0cyclictest65850irq/126-lan19:58:491
12653991818,0cyclictest65850irq/126-lan19:44:591
12653991817,1cyclictest65850irq/126-lan21:50:141
12653991817,1cyclictest65850irq/126-lan21:15:171
12653991817,1cyclictest65850irq/126-lan20:10:001
12653991817,1cyclictest65850irq/126-lan19:33:531
12649991818,0cyclictest743-21snmpd23:49:430
12649991818,0cyclictest743-21snmpd23:13:440
12649991818,0cyclictest743-21snmpd22:31:280
12653991717,0cyclictest65850irq/126-lan23:50:151
12653991717,0cyclictest65850irq/126-lan23:30:141
12653991717,0cyclictest65850irq/126-lan22:55:161
12653991717,0cyclictest65850irq/126-lan22:45:011
12653991717,0cyclictest65850irq/126-lan22:11:091
12653991717,0cyclictest65850irq/126-lan20:10:251
12653991717,0cyclictest65850irq/126-lan00:10:221
12653991716,1cyclictest65850irq/126-lan23:40:121
12653991716,1cyclictest65850irq/126-lan22:35:161
12653991716,1cyclictest65850irq/126-lan20:45:151
12653991716,1cyclictest65850irq/126-lan00:25:171
12649991717,0cyclictest8971-21cat00:15:130
12649991717,0cyclictest743-21snmpd22:14:540
12649991717,0cyclictest743-21snmpd21:37:070
12649991717,0cyclictest743-21snmpd21:27:530
12649991717,0cyclictest743-21snmpd21:24:160
12649991717,0cyclictest743-21snmpd19:18:270
12649991717,0cyclictest743-21snmpd00:32:280
12649991717,0cyclictest743-21snmpd00:13:220
12653991616,0cyclictest743-21snmpd23:25:001
12653991616,0cyclictest743-21snmpd19:20:161
12653991616,0cyclictest65850irq/126-lan23:55:131
12653991616,0cyclictest65850irq/126-lan23:05:141
12653991616,0cyclictest65850irq/126-lan22:15:121
12653991616,0cyclictest65850irq/126-lan22:06:091
12653991616,0cyclictest65850irq/126-lan21:55:161
12653991616,0cyclictest65850irq/126-lan21:00:161
12653991616,0cyclictest65850irq/126-lan20:40:161
12653991616,0cyclictest65850irq/126-lan00:15:121
12653991616,0cyclictest65850irq/126-lan00:05:201
12653991616,0cyclictest65850irq/126-lan00:00:201
12653991616,0cyclictest14707-21cat23:10:131
12653991615,1cyclictest65850irq/126-lan22:40:111
12653991615,1cyclictest65850irq/126-lan22:20:131
12653991615,1cyclictest65850irq/126-lan20:35:181
12653991615,1cyclictest65850irq/126-lan19:10:161
12653991515,0cyclictest743-21snmpd23:19:091
12653991515,0cyclictest743-21snmpd23:02:381
12653991515,0cyclictest743-21snmpd21:44:181
12653991515,0cyclictest743-21snmpd21:05:451
12653991515,0cyclictest743-21snmpd20:27:271
12653991515,0cyclictest6613-21cat22:50:121
12653991515,0cyclictest65850irq/126-lan20:50:271
12653991515,0cyclictest65850irq/126-lan20:15:251
12653991515,0cyclictest65850irq/126-lan19:50:201
12653991514,1cyclictest65850irq/126-lan00:30:121
12653991414,0cyclictest65850irq/126-lan23:35:141
12653991414,0cyclictest65850irq/126-lan22:30:011
12653991414,0cyclictest65850irq/126-lan22:01:271
12653991414,0cyclictest65850irq/126-lan21:30:141
12653991414,0cyclictest65850irq/126-lan21:25:141
12653991414,0cyclictest65850irq/126-lan20:20:131
12653991414,0cyclictest65850irq/126-lan00:35:151
12653991414,0cyclictest65850irq/126-lan00:20:141
12653991413,1cyclictest65850irq/126-lan21:46:451
12653991413,1cyclictest65850irq/126-lan21:20:141
12653991313,0cyclictest65850irq/126-lan23:46:371
12653991313,0cyclictest65850irq/126-lan23:25:201
12653991313,0cyclictest65850irq/126-lan20:30:531
12653991312,1cyclictest65850irq/126-lan20:00:111
12653991212,0cyclictest65850irq/126-lan21:10:191
12653991212,0cyclictest65850irq/126-lan19:25:161
12653991211,1cyclictest65850irq/126-lan20:55:121
12653991111,0cyclictest65850irq/126-lan21:35:111
12653991111,0cyclictest65850irq/126-lan19:38:291
12653991110,1cyclictest65850irq/126-lan19:15:171
12649991110,1cyclictest29073-21kworker/0:0+events21:46:370
1265999109,1cyclictest717-21ntpd21:54:412
126649998,1cyclictest743-21snmpd23:49:223
126599998,1cyclictest743-21snmpd23:44:482
126599998,1cyclictest743-21snmpd23:01:352
126539999,0cyclictest65850irq/126-lan19:40:101
126499999,0cyclictest741-21lldpd23:09:130
126499998,1cyclictest29073-21kworker/0:0+events21:09:250
126649988,0cyclictest743-21snmpd00:10:163
126649988,0cyclictest741-21lldpd23:21:103
126649988,0cyclictest741-21lldpd23:17:553
126649988,0cyclictest741-21lldpd23:02:063
126649988,0cyclictest741-21lldpd20:52:373
126649988,0cyclictest741-21lldpd19:56:293
126649987,1cyclictest743-21snmpd20:43:083
126649987,1cyclictest743-21snmpd20:29:083
126649987,1cyclictest743-21snmpd19:51:203
126649987,1cyclictest743-21snmpd00:39:213
126649987,1cyclictest741-21lldpd19:45:283
126649987,1cyclictest741-21lldpd19:44:233
126649987,1cyclictest506-21systemd-resolve20:31:063
126649986,2cyclictest743-21snmpd22:20:423
126649986,2cyclictest743-21snmpd20:35:363
126649986,2cyclictest743-21snmpd00:26:073
126649986,2cyclictest743-21snmpd00:01:343
126599988,0cyclictest743-21snmpd23:39:282
126599988,0cyclictest743-21snmpd22:28:252
126599988,0cyclictest743-21snmpd21:10:252
126599988,0cyclictest743-21snmpd20:29:262
126599988,0cyclictest743-21snmpd20:23:542
126599988,0cyclictest741-21lldpd23:33:032
126599988,0cyclictest741-21lldpd00:36:502
126599987,1cyclictest743-21snmpd23:08:462
126599987,1cyclictest743-21snmpd19:34:332
126599986,2cyclictest743-21snmpd22:56:162
126599986,2cyclictest743-21snmpd21:08:042
126599986,2cyclictest717-21ntpd23:47:352
126599986,2cyclictest717-21ntpd23:25:522
126599986,2cyclictest717-21ntpd23:20:442
126599986,2cyclictest717-21ntpd23:18:552
126599986,2cyclictest717-21ntpd22:50:232
126599986,2cyclictest717-21ntpd22:46:182
126599986,2cyclictest717-21ntpd22:44:472
126599986,2cyclictest717-21ntpd22:11:262
126599986,2cyclictest717-21ntpd21:57:322
126599986,2cyclictest717-21ntpd21:32:542
126599986,2cyclictest717-21ntpd20:58:272
126599986,2cyclictest717-21ntpd20:51:132
126599986,2cyclictest717-21ntpd20:47:042
126599986,2cyclictest717-21ntpd20:40:582
126599986,2cyclictest717-21ntpd20:37:102
126599986,2cyclictest717-21ntpd20:02:272
126599986,2cyclictest717-21ntpd19:37:012
126599986,2cyclictest717-21ntpd19:28:222
126599986,2cyclictest717-21ntpd00:05:522
126499988,0cyclictest743-21snmpd22:48:410
126499988,0cyclictest743-21snmpd22:07:590
126499988,0cyclictest743-21snmpd20:58:070
126499988,0cyclictest743-21snmpd19:23:490
126499988,0cyclictest741-21lldpd23:18:210
126499988,0cyclictest741-21lldpd23:04:200
126499988,0cyclictest741-21lldpd21:58:590
126499988,0cyclictest741-21lldpd20:47:130
126499988,0cyclictest741-21lldpd20:06:500
126499988,0cyclictest741-21lldpd19:49:110
126499988,0cyclictest741-21lldpd00:26:480
126499987,1cyclictest743-21snmpd20:25:030
126499987,1cyclictest743-21snmpd00:08:440
126499987,1cyclictest741-21lldpd22:43:270
126499987,1cyclictest741-21lldpd22:25:490
126499986,2cyclictest743-21snmpd20:50:420
126499986,2cyclictest743-21snmpd19:29:030
126499985,1cyclictest29073-21kworker/0:0+events20:39:270
126649977,0cyclictest743-21snmpd22:55:563
126649977,0cyclictest743-21snmpd21:31:283
126649977,0cyclictest743-21snmpd21:23:533
126649977,0cyclictest743-21snmpd21:19:193
126649977,0cyclictest743-21snmpd20:20:033
126649977,0cyclictest741-21lldpd23:43:063
126649977,0cyclictest741-21lldpd23:11:153
126649977,0cyclictest522-21avahi-daemon22:03:003
126649976,1cyclictest590-21gmain00:06:463
126649975,2cyclictest8970-21cat00:15:143
126649975,2cyclictest743-21snmpd22:43:473
126649975,2cyclictest743-21snmpd22:08:203
126649975,2cyclictest743-21snmpd19:12:353
126649975,2cyclictest15575-21grep19:15:143
126599977,0cyclictest743-21snmpd22:23:062
126599977,0cyclictest743-21snmpd19:10:112
126599977,0cyclictest741-21lldpd23:13:262
126599977,0cyclictest741-21lldpd22:08:112
126599977,0cyclictest741-21lldpd21:45:222
126599977,0cyclictest741-21lldpd00:19:072
126599977,0cyclictest244-20systemd-journal21:36:112
126599976,1cyclictest743-21snmpd22:35:302
126599976,1cyclictest743-21snmpd00:11:312
126599976,1cyclictest717-21ntpd20:05:042
126599976,1cyclictest610-21needreboot23:55:152
126599975,2cyclictest717-21ntpd22:00:052
126599975,2cyclictest717-21ntpd21:41:432
126599975,2cyclictest717-21ntpd21:00:242
126599975,2cyclictest717-21ntpd19:40:062
126499977,0cyclictest743-21snmpd21:30:350
126499976,1cyclictest29073-21kworker/0:0+events23:50:410
126499976,1cyclictest29073-21kworker/0:0+events23:35:150
126499976,1cyclictest29073-21kworker/0:0+events22:55:200
126499976,1cyclictest29073-21kworker/0:0+events22:50:350
126499976,1cyclictest29073-21kworker/0:0+events22:35:010
126499976,1cyclictest29073-21kworker/0:0+events22:20:180
126499976,1cyclictest29073-21kworker/0:0+events22:15:210
126499976,1cyclictest29073-21kworker/0:0+events21:40:090
126499976,1cyclictest29073-21kworker/0:0+events21:04:450
126499976,1cyclictest29073-21kworker/0:0+events20:31:590
126499976,1cyclictest29073-21kworker/0:0+events20:20:190
126499976,1cyclictest29073-21kworker/0:0+events20:15:190
126499976,1cyclictest29073-21kworker/0:0+events20:10:180
126499976,1cyclictest29073-21kworker/0:0+events20:00:110
126499976,1cyclictest29073-21kworker/0:0+events19:50:020
126499976,1cyclictest29073-21kworker/0:0+events19:37:220
126499976,1cyclictest29073-21kworker/0:0+events19:30:030
126499976,1cyclictest29073-21kworker/0:0+events19:10:170
126499976,1cyclictest29073-21kworker/0:0+events00:35:190
126499976,1cyclictest29073-21kworker/0:0+events00:20:130
126499976,1cyclictest29073-21kworker/0:0+events00:00:100
126499975,2cyclictest743-21snmpd23:55:390
126499973,0cyclictest191rcu_preempt21:50:140
126649966,0cyclictest9825-21gltestperf21:40:133
126649966,0cyclictest743-21snmpd23:54:193
126649966,0cyclictest743-21snmpd21:25:053
126649966,0cyclictest741-21lldpd22:35:473
126649966,0cyclictest741-21lldpd20:48:193
126649966,0cyclictest741-21lldpd19:31:173
126649965,1cyclictest743-21snmpd21:14:223
126649964,2cyclictest743-21snmpd23:35:563
126649964,2cyclictest743-21snmpd22:48:113
126649964,2cyclictest743-21snmpd00:23:203
126649963,3cyclictest23231-21apt-get20:55:113
126599966,0cyclictest741-21lldpd19:51:242
126599965,1cyclictest743-21snmpd21:28:562
126599964,2cyclictest743-21snmpd22:34:552
126599964,2cyclictest743-21snmpd20:12:072
126599964,2cyclictest743-21snmpd19:15:152
126599964,2cyclictest743-21snmpd00:33:412
126499965,1cyclictest29073-21kworker/0:0+events23:40:040
126499965,1cyclictest29073-21kworker/0:0+events23:30:150
126499965,1cyclictest29073-21kworker/0:0+events23:25:180
126499965,1cyclictest29073-21kworker/0:0+events23:20:110
126499965,1cyclictest29073-21kworker/0:0+events22:00:150
126499965,1cyclictest29073-21kworker/0:0+events21:15:010
126499965,1cyclictest29073-21kworker/0:0+events21:10:140
126499965,1cyclictest29073-21kworker/0:0+events20:40:110
126499965,1cyclictest29073-21kworker/0:0+events19:55:110
126499965,1cyclictest29073-21kworker/0:0+events19:40:030
126649955,0cyclictest743-21snmpd22:15:283
126649955,0cyclictest741-21lldpd19:39:593
126649955,0cyclictest522-21avahi-daemon21:48:193
126649955,0cyclictest21615-21cpuspeed_turbos22:10:123
126649955,0cyclictest0-21swapper/321:05:133
126649955,0cyclictest0-21swapper/320:19:593
126649954,1cyclictest743-21snmpd21:50:443
126649953,2cyclictest743-21snmpd20:01:073
126649953,2cyclictest22333-21apt-get23:30:123
126649953,2cyclictest13471-21sed23:05:203
126649952,3cyclictest737-21ntpq23:55:153
126649952,3cyclictest557-21NetworkManager21:01:293
126649952,2cyclictest30330-21sh22:30:163
126649952,2cyclictest20113-21gcc19:25:173
126649952,2cyclictest15684-21sed00:30:213
126649951,3cyclictest16218-21ntpq21:55:143
126599955,0cyclictest522-21avahi-daemon21:22:452
126599953,2cyclictest743-21snmpd19:58:042
126599952,3cyclictest557-21NetworkManager21:17:092
126599952,3cyclictest30388-21find23:50:112
126599952,2cyclictest8148-21sed20:15:202
126599951,2cyclictest19141-21cat19:25:012
126599950,4cyclictest24378-21ntpq22:15:172
126649941,3cyclictest5074-21apt-get20:10:113
126649941,3cyclictest3694-21grep20:05:153
126649941,2cyclictest8104-21netstat21:35:153
126649941,2cyclictest20574-21cut23:25:133
126649941,2cyclictest19221-21cat19:25:003
126649940,4cyclictest557-21NetworkManager22:25:013
126649940,3cyclictest7321-21sed22:50:183
126599943,1cyclictest28245-21ntpq19:45:172
126599943,1cyclictest13383-21fschecks_time20:30:112
126599941,3cyclictest557-21NetworkManager00:00:022
126599940,4cyclictest13449-21ntpq00:25:162
126599940,3cyclictest10754-21diskstats00:20:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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