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2026-06-03 - 14:08

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 Wed Jun 03, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3816992019,1cyclictest65850irq/126-lan19:10:113
3816991817,1cyclictest65850irq/126-lan23:40:173
3816991817,1cyclictest65850irq/126-lan22:30:123
3816991717,0cyclictest65850irq/126-lan23:31:303
3816991717,0cyclictest65850irq/126-lan20:00:213
3816991717,0cyclictest65850irq/126-lan00:05:213
3816991716,1cyclictest65850irq/126-lan22:05:133
3816991716,1cyclictest65850irq/126-lan21:15:273
3816991716,1cyclictest65850irq/126-lan21:05:183
3816991716,1cyclictest65850irq/126-lan20:50:173
3816991716,1cyclictest65850irq/126-lan20:50:173
3816991716,1cyclictest65850irq/126-lan20:20:153
3816991716,1cyclictest65850irq/126-lan19:50:113
3816991716,1cyclictest65850irq/126-lan00:25:123
3816991616,0cyclictest65850irq/126-lan22:53:303
3816991616,0cyclictest65850irq/126-lan22:23:263
3816991616,0cyclictest65850irq/126-lan21:00:133
3816991616,0cyclictest65850irq/126-lan20:30:193
3816991615,1cyclictest65850irq/126-lan23:45:123
3816991615,1cyclictest65850irq/126-lan21:50:183
3816991615,1cyclictest65850irq/126-lan21:45:213
3816991615,1cyclictest65850irq/126-lan21:30:363
3816991615,1cyclictest65850irq/126-lan21:10:183
3816991615,1cyclictest65850irq/126-lan20:47:113
3816991615,1cyclictest65850irq/126-lan19:30:083
3816991615,1cyclictest65850irq/126-lan19:26:253
3816991615,1cyclictest65850irq/126-lan00:20:173
3816991515,0cyclictest65850irq/126-lan23:50:123
3816991515,0cyclictest65850irq/126-lan23:35:123
3816991515,0cyclictest65850irq/126-lan23:15:163
3816991515,0cyclictest65850irq/126-lan22:55:123
3816991515,0cyclictest65850irq/126-lan22:25:193
3816991515,0cyclictest65850irq/126-lan21:25:133
3816991515,0cyclictest65850irq/126-lan20:55:113
3816991515,0cyclictest65850irq/126-lan19:45:163
3816991515,0cyclictest65850irq/126-lan00:32:493
3816991515,0cyclictest65850irq/126-lan00:15:233
3816991514,1cyclictest65850irq/126-lan20:35:183
3816991514,1cyclictest65850irq/126-lan20:10:153
3816991414,0cyclictest65850irq/126-lan21:37:213
3816991414,0cyclictest65850irq/126-lan20:40:213
3816991414,0cyclictest65850irq/126-lan19:22:573
3816991414,0cyclictest65850irq/126-lan00:10:143
3816991413,1cyclictest65850irq/126-lan23:00:183
3816991413,1cyclictest65850irq/126-lan22:40:193
3816991413,1cyclictest65850irq/126-lan21:20:153
3816991413,1cyclictest65850irq/126-lan00:35:143
3816991313,0cyclictest65850irq/126-lan22:17:283
3816991313,0cyclictest65850irq/126-lan20:25:133
3816991313,0cyclictest65850irq/126-lan20:17:053
3816991313,0cyclictest65850irq/126-lan19:55:203
3816991312,1cyclictest65850irq/126-lan23:05:143
3816991312,1cyclictest65850irq/126-lan22:10:173
3816991312,1cyclictest65850irq/126-lan21:40:133
3816991212,0cyclictest65850irq/126-lan23:58:293
3816991212,0cyclictest65850irq/126-lan23:27:403
3816991212,0cyclictest65850irq/126-lan20:05:163
3816991212,0cyclictest65850irq/126-lan19:40:143
3816991212,0cyclictest65850irq/126-lan00:00:033
3816991211,1cyclictest65850irq/126-lan23:10:153
3816991211,1cyclictest65850irq/126-lan19:15:243
3816991111,0cyclictest65850irq/126-lan22:00:123
3816991110,1cyclictest65850irq/126-lan22:35:163
3816991110,1cyclictest65850irq/126-lan21:55:173
3816991010,0cyclictest65850irq/126-lan23:22:403
38099998,1cyclictest741-21lldpd20:58:522
38049998,1cyclictest743-21snmpd21:26:161
38049998,1cyclictest743-21snmpd20:00:531
38049998,1cyclictest743-21snmpd00:07:071
38049998,1cyclictest741-21lldpd22:54:541
38049998,1cyclictest741-21lldpd22:44:291
38169988,0cyclictest741-21lldpd22:46:223
38099988,0cyclictest741-21lldpd22:37:162
38099988,0cyclictest741-21lldpd20:29:312
38099988,0cyclictest741-21lldpd00:26:372
38099987,1cyclictest743-21snmpd20:49:282
38099987,1cyclictest743-21snmpd20:14:022
38099987,1cyclictest743-21snmpd19:11:032
38099987,1cyclictest741-21lldpd23:00:182
38099987,1cyclictest741-21lldpd20:05:022
38099987,1cyclictest741-21lldpd19:35:342
38099986,2cyclictest743-21snmpd22:27:212
38099985,3cyclictest743-21snmpd23:46:222
38049988,0cyclictest743-21snmpd21:22:281
38049988,0cyclictest743-21snmpd21:11:071
38049988,0cyclictest741-21lldpd22:45:361
38049988,0cyclictest741-21lldpd22:28:041
38049988,0cyclictest741-21lldpd20:57:061
38049988,0cyclictest741-21lldpd20:41:431
38049988,0cyclictest741-21lldpd19:17:161
38049987,1cyclictest743-21snmpd19:26:191
38049987,1cyclictest741-21lldpd22:24:031
38049987,1cyclictest741-21lldpd20:05:001
38049986,2cyclictest717-21ntpd22:31:281
38049986,2cyclictest717-21ntpd21:51:281
38049986,2cyclictest717-21ntpd20:30:361
38049986,2cyclictest717-21ntpd00:21:391
37969988,0cyclictest743-21snmpd23:54:130
37969988,0cyclictest743-21snmpd23:37:090
37969988,0cyclictest743-21snmpd23:34:290
37969988,0cyclictest743-21snmpd21:46:300
37969988,0cyclictest743-21snmpd21:01:160
37969988,0cyclictest743-21snmpd20:37:540
37969988,0cyclictest743-21snmpd20:12:070
37969988,0cyclictest743-21snmpd19:23:120
37969988,0cyclictest743-21snmpd00:25:140
37969988,0cyclictest741-21lldpd23:06:540
37969988,0cyclictest741-21lldpd22:06:530
37969988,0cyclictest741-21lldpd20:45:260
37969987,1cyclictest743-21snmpd19:48:140
37969987,1cyclictest522-21avahi-daemon22:18:100
37969986,2cyclictest743-21snmpd23:49:120
37969986,2cyclictest743-21snmpd20:20:200
37969986,2cyclictest743-21snmpd19:26:460
38099977,0cyclictest743-21snmpd20:16:172
38099977,0cyclictest743-21snmpd19:45:332
38099977,0cyclictest741-21lldpd22:46:022
38099977,0cyclictest741-21lldpd21:24:592
38099977,0cyclictest741-21lldpd19:41:572
38099977,0cyclictest741-21lldpd00:01:552
38099976,1cyclictest743-21snmpd21:56:352
38099975,2cyclictest743-21snmpd23:38:522
38099975,2cyclictest743-21snmpd22:59:222
38099975,2cyclictest743-21snmpd22:51:442
38099975,2cyclictest743-21snmpd22:19:402
38099975,2cyclictest743-21snmpd22:10:532
38099975,2cyclictest743-21snmpd19:17:052
38049977,0cyclictest741-21lldpd23:43:391
38049977,0cyclictest741-21lldpd19:50:441
38049977,0cyclictest741-21lldpd00:33:121
38049977,0cyclictest522-21avahi-daemon20:37:201
38049976,1cyclictest9671-21gltestperf19:30:091
38049976,1cyclictest743-21snmpd23:22:091
38049976,1cyclictest743-21snmpd21:31:081
38049976,1cyclictest741-21lldpd22:10:441
38049976,1cyclictest717-21ntpd19:49:301
38049976,1cyclictest522-21avahi-daemon21:45:141
38049976,1cyclictest20088-21tail23:55:161
38049975,2cyclictest743-21snmpd23:06:411
38049975,2cyclictest743-21snmpd19:36:061
38049975,2cyclictest717-21ntpd22:38:361
38049975,2cyclictest717-21ntpd00:39:381
38049975,2cyclictest717-21ntpd00:25:031
37969977,0cyclictest743-21snmpd22:43:540
37969977,0cyclictest743-21snmpd22:04:150
37969977,0cyclictest743-21snmpd21:41:280
37969977,0cyclictest743-21snmpd21:34:050
37969977,0cyclictest743-21snmpd19:31:180
37969977,0cyclictest743-21snmpd00:20:470
37969977,0cyclictest743-21snmpd00:16:220
37969977,0cyclictest741-21lldpd22:57:010
37969977,0cyclictest741-21lldpd22:26:340
37969977,0cyclictest741-21lldpd19:44:550
37969977,0cyclictest741-21lldpd00:09:430
37969976,1cyclictest743-21snmpd23:21:150
37969976,1cyclictest743-21snmpd20:53:340
37969976,1cyclictest743-21snmpd20:53:330
37969976,1cyclictest743-21snmpd19:39:420
37969976,1cyclictest743-21snmpd00:13:500
37969976,1cyclictest741-21lldpd21:52:290
37969976,1cyclictest741-21lldpd00:38:550
37969976,1cyclictest522-21avahi-daemon23:18:180
37969976,1cyclictest522-21avahi-daemon21:15:030
37969976,1cyclictest522-21avahi-daemon21:06:560
37969976,1cyclictest30646-21cpuspeed_turbos20:25:110
37969975,2cyclictest743-21snmpd00:01:330
37969975,2cyclictest13828-21cat23:40:130
37969973,3cyclictest16907-21memory21:10:150
38099966,0cyclictest743-21snmpd23:53:072
38099966,0cyclictest743-21snmpd00:24:142
38099966,0cyclictest741-21lldpd19:59:532
38099966,0cyclictest741-21lldpd00:19:512
38099966,0cyclictest522-21avahi-daemon21:32:362
38099965,1cyclictest743-21snmpd21:00:582
38099965,1cyclictest743-21snmpd19:51:072
38099965,1cyclictest741-21lldpd22:03:012
38099965,1cyclictest741-21lldpd21:47:172
38099965,1cyclictest741-21lldpd00:32:472
38099965,1cyclictest20719-21fschecks_time20:00:142
38099965,1cyclictest17409-21gltestperf22:30:142
38099965,1cyclictest13378-21gltestperf22:20:142
38099964,2cyclictest743-21snmpd23:05:142
38099964,2cyclictest743-21snmpd21:51:592
38099964,2cyclictest743-21snmpd20:44:232
38099964,2cyclictest743-21snmpd20:23:592
38099963,3cyclictest743-21snmpd21:42:042
38099962,3cyclictest16908-21memory21:10:162
38049966,0cyclictest741-21lldpd23:13:051
38049966,0cyclictest741-21lldpd00:15:121
38049966,0cyclictest741-21lldpd00:10:491
38049966,0cyclictest5750-21cron19:15:011
38049965,1cyclictest743-21snmpd23:27:231
38049965,1cyclictest522-21avahi-daemon20:48:111
38049965,1cyclictest26257-21turbostat20:19:561
38049965,1cyclictest11666-21gltestperf23:35:131
38049964,2cyclictest743-21snmpd21:57:201
38049964,2cyclictest743-21snmpd19:59:501
38049963,3cyclictest557-21NetworkManager23:47:311
38049963,3cyclictest557-21NetworkManager21:40:191
37969966,0cyclictest741-21lldpd23:55:050
37969966,0cyclictest741-21lldpd22:22:270
37969965,1cyclictest741-21lldpd21:57:080
37969965,1cyclictest741-21lldpd21:25:010
37969965,1cyclictest4259-21fschecks_time19:10:130
37969964,2cyclictest743-21snmpd23:14:530
37969964,2cyclictest743-21snmpd22:47:050
37969963,3cyclictest557-21NetworkManager20:33:310
37969962,3cyclictest5082-21ntp_states20:40:170
37969960,6cyclictest171ktimers/020:15:170
38099955,0cyclictest741-21lldpd23:25:552
38099955,0cyclictest741-21lldpd23:20:082
38099955,0cyclictest522-21avahi-daemon20:31:212
38099955,0cyclictest506-21systemd-resolve20:39:342
38099954,1cyclictest743-21snmpd23:55:062
38099954,1cyclictest743-21snmpd21:36:132
38099952,3cyclictest743-21snmpd20:50:122
38099952,3cyclictest743-21snmpd20:50:122
38099952,2cyclictest23569-21tr00:05:172
38099952,2cyclictest19594-21unixbench-2d21:15:232
38099952,2cyclictest1580-21ld23:10:152
38099952,2cyclictest15471-21sed21:05:212
38099951,3cyclictest9507-21cut19:30:082
38049955,0cyclictest743-21snmpd22:56:431
38049955,0cyclictest741-21lldpd21:16:261
38049954,1cyclictest522-21avahi-daemon23:32:171
38049952,3cyclictest21494-21apt-get00:00:121
38049952,3cyclictest12797-21sed21:00:161
38049952,2cyclictest7852-21grep22:05:221
38049952,2cyclictest5404-21gcc22:00:181
38049952,2cyclictest2995-21grep23:15:111
38049952,2cyclictest27498-21sed21:35:191
38049952,2cyclictest18184-21grep23:50:181
38049951,3cyclictest29913-21users20:20:201
38049951,3cyclictest29381-21diskstats23:00:131
38049951,3cyclictest14502-21diskstats21:05:121
38049950,4cyclictest9074-21ntpq20:50:181
38049950,4cyclictest9074-21ntpq20:50:171
37969954,1cyclictest17528-21cat22:30:140
37969954,1cyclictest0-21swapper/022:14:590
37969953,2cyclictest743-21snmpd22:39:070
37969953,2cyclictest0-21swapper/023:29:070
37969952,2cyclictest23824-21grep20:05:240
37969952,2cyclictest19562-21timerandwakeup19:55:210
37969952,2cyclictest18334-21date19:55:000
37969950,4cyclictest11097-21ntpq20:55:140
38169943,1cyclictest4244-21kworker/3:1+events19:35:033
38099943,1cyclictest3864-21fschecks_time00:35:142
38099943,1cyclictest26222-21ntpq00:10:172
38099942,2cyclictest743-21snmpd21:25:082
38099942,2cyclictest743-21snmpd19:29:192
38099942,2cyclictest21591-21cat22:40:132
38099941,2cyclictest7617-21ps19:20:132
38099941,2cyclictest717-21ntpd23:15:162
38099941,2cyclictest13535-21tr23:40:112
38099940,4cyclictest9670-21ntpq23:30:172
38099940,3cyclictest7340-21ntpq22:05:162
38049942,2cyclictest717-21ntpd20:10:051
38049942,2cyclictest557-21NetworkManager22:17:261
38049941,2cyclictest7526-21sh19:20:121
38049940,3cyclictest30739-21diskstats20:25:111
38049940,3cyclictest12731-21ntpq19:40:131
37969942,2cyclictest20487-21apt-get20:00:120
37969942,2cyclictest1993-21sed00:30:150
37969941,3cyclictest743-21snmpd19:17:570
37969941,2cyclictest26658-21tune2fs21:35:120
37969941,2cyclictest20600-21tune2fs21:20:130
37969940,3cyclictest29838-21tr23:00:160
37969940,3cyclictest25462-21fw_forwarded_lo22:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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