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2026-04-11 - 05:57

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 Sat Apr 11, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19930994242,0cyclictest23871-21fwupd20:35:513
19930991818,0cyclictest65850irq/126-lan22:39:593
19930991818,0cyclictest65850irq/126-lan22:00:163
19930991817,1cyclictest65850irq/126-lan23:30:183
19930991717,0cyclictest65850irq/126-lan23:46:543
19930991717,0cyclictest65850irq/126-lan20:51:473
19930991717,0cyclictest65850irq/126-lan20:20:173
19930991717,0cyclictest65850irq/126-lan20:10:173
19930991717,0cyclictest65850irq/126-lan20:05:193
19930991716,1cyclictest65850irq/126-lan23:00:143
19930991716,1cyclictest65850irq/126-lan22:42:413
19930991616,0cyclictest65850irq/126-lan23:22:013
19930991616,0cyclictest65850irq/126-lan21:40:213
19930991616,0cyclictest65850irq/126-lan00:05:003
19930991615,1cyclictest65850irq/126-lan23:15:133
19930991615,1cyclictest65850irq/126-lan23:10:413
19930991615,1cyclictest65850irq/126-lan22:50:153
19930991615,1cyclictest65850irq/126-lan21:00:203
19930991615,1cyclictest65850irq/126-lan19:40:213
19930991615,1cyclictest65850irq/126-lan00:20:123
19930991615,1cyclictest65850irq/126-lan00:15:213
19930991515,0cyclictest65850irq/126-lan23:36:373
19930991515,0cyclictest65850irq/126-lan23:05:133
19930991515,0cyclictest65850irq/126-lan21:21:493
19930991514,1cyclictest65850irq/126-lan22:30:203
19930991514,1cyclictest65850irq/126-lan21:30:143
19930991514,1cyclictest65850irq/126-lan21:10:493
19930991514,1cyclictest65850irq/126-lan19:45:143
19930991414,0cyclictest65850irq/126-lan23:50:113
19930991414,0cyclictest65850irq/126-lan21:50:163
19930991414,0cyclictest65850irq/126-lan19:40:013
19930991414,0cyclictest65850irq/126-lan19:25:183
19930991414,0cyclictest65850irq/126-lan19:20:153
19930991414,0cyclictest65850irq/126-lan19:15:213
19930991414,0cyclictest65850irq/126-lan00:35:173
19930991414,0cyclictest65850irq/126-lan00:00:003
19930991413,1cyclictest65850irq/126-lan22:55:163
19930991413,1cyclictest65850irq/126-lan21:39:403
19930991413,1cyclictest65850irq/126-lan21:25:183
19930991413,1cyclictest65850irq/126-lan20:55:073
19930991413,1cyclictest65850irq/126-lan20:00:133
19930991313,0cyclictest65850irq/126-lan20:30:133
19930991313,0cyclictest65850irq/126-lan19:55:143
19930991313,0cyclictest65850irq/126-lan19:50:213
19930991313,0cyclictest65850irq/126-lan19:10:203
19930991312,1cyclictest65850irq/126-lan22:10:163
19930991312,1cyclictest65850irq/126-lan20:40:123
19930991312,1cyclictest65850irq/126-lan00:25:113
19930991212,0cyclictest65850irq/126-lan23:40:153
19930991212,0cyclictest65850irq/126-lan22:05:193
19930991212,0cyclictest65850irq/126-lan20:45:113
19930991212,0cyclictest65850irq/126-lan00:30:103
19930991212,0cyclictest65850irq/126-lan00:10:173
19930991211,1cyclictest65850irq/126-lan22:25:163
19930991211,1cyclictest65850irq/126-lan21:45:113
19930991211,1cyclictest65850irq/126-lan21:15:003
19930991211,1cyclictest65850irq/126-lan19:30:113
19930991111,0cyclictest65850irq/126-lan22:20:163
19930991111,0cyclictest65850irq/126-lan20:25:143
19930991111,0cyclictest65850irq/126-lan20:25:143
1993099109,1cyclictest65850irq/126-lan22:00:003
1993099109,1cyclictest65850irq/126-lan21:05:133
1993099109,1cyclictest65850irq/126-lan20:15:113
1993099109,1cyclictest65850irq/126-lan00:00:193
19930991010,0cyclictest65850irq/126-lan23:25:133
1992599107,3cyclictest743-21snmpd22:16:472
1992599107,3cyclictest741-21lldpd21:18:132
1992599107,3cyclictest506-21systemd-resolve23:45:072
1992599105,5cyclictest743-21snmpd20:19:402
19921991010,0cyclictest743-21snmpd20:46:441
199259997,2cyclictest743-21snmpd19:48:362
199259996,3cyclictest743-21snmpd20:06:152
199259996,3cyclictest4311-21cat19:50:142
199259995,4cyclictest743-21snmpd21:41:522
199259994,2cyclictest743-21snmpd23:11:412
199259992,4cyclictest20770-21cat00:25:142
199259992,2cyclictest557-21NetworkManager21:06:342
199219998,1cyclictest743-21snmpd22:16:381
199219998,1cyclictest743-21snmpd21:30:091
199169998,1cyclictest743-21snmpd20:59:300
199169998,1cyclictest743-21snmpd20:54:260
199259988,0cyclictest743-21snmpd23:19:412
199259988,0cyclictest741-21lldpd23:03:392
199259988,0cyclictest741-21lldpd22:52:142
199259988,0cyclictest741-21lldpd19:25:412
199259987,1cyclictest741-21lldpd22:31:462
199259986,2cyclictest743-21snmpd23:53:592
199259986,2cyclictest743-21snmpd20:45:502
199259986,2cyclictest743-21snmpd20:13:152
199259986,2cyclictest743-21snmpd19:32:082
199259986,2cyclictest743-21snmpd00:12:572
199259986,2cyclictest741-21lldpd00:15:342
199259983,3cyclictest20662-21memory19:10:142
199259983,2cyclictest4296-21pluginstate22:30:002
199259983,0cyclictest0-21swapper/200:20:172
199259982,3cyclictest557-21NetworkManager22:06:582
199259982,3cyclictest557-21NetworkManager21:13:522
199259982,3cyclictest20538-21df_inode21:50:122
199259982,2cyclictest32743-21df_inode21:00:122
199259982,2cyclictest31880-21seq19:39:192
199259982,2cyclictest25718-21vmstat00:35:212
199259981,3cyclictest10420-21diskstats00:00:142
199259980,4cyclictest11016-21ntpq21:25:172
199259980,3cyclictest16429-21users22:55:202
199219988,0cyclictest743-21snmpd20:15:311
199219988,0cyclictest743-21snmpd19:40:471
199219988,0cyclictest741-21lldpd23:55:211
199219988,0cyclictest741-21lldpd23:06:501
199219988,0cyclictest741-21lldpd22:49:391
199219988,0cyclictest741-21lldpd21:58:401
199219988,0cyclictest741-21lldpd21:12:121
199219987,1cyclictest743-21snmpd23:31:021
199219987,1cyclictest743-21snmpd21:20:451
199219987,1cyclictest743-21snmpd00:29:091
199219987,1cyclictest743-21snmpd00:17:071
199219986,2cyclictest743-21snmpd23:52:591
199219986,2cyclictest743-21snmpd23:40:401
199219986,2cyclictest743-21snmpd23:27:431
199219986,2cyclictest743-21snmpd22:52:481
199219986,2cyclictest743-21snmpd20:34:101
199219986,2cyclictest743-21snmpd19:10:221
199169988,0cyclictest743-21snmpd23:18:200
199169988,0cyclictest741-21lldpd21:16:350
199169988,0cyclictest741-21lldpd00:04:220
199169987,1cyclictest743-21snmpd23:21:250
199169987,1cyclictest743-21snmpd22:56:000
199169987,1cyclictest743-21snmpd19:39:470
199169987,1cyclictest743-21snmpd19:16:500
199169987,1cyclictest743-21snmpd00:34:210
199169987,1cyclictest741-21lldpd23:48:400
199169987,1cyclictest741-21lldpd20:30:270
199169986,2cyclictest743-21snmpd23:40:430
199169986,2cyclictest743-21snmpd21:50:130
199169986,2cyclictest743-21snmpd20:13:130
199169986,2cyclictest743-21snmpd00:37:460
199169986,2cyclictest743-21snmpd00:17:520
199169986,2cyclictest717-21ntpd19:50:180
199169985,3cyclictest717-21ntpd21:25:190
199169982,5cyclictest557-21NetworkManager21:05:020
199309977,0cyclictest65850irq/126-lan22:45:123
199309977,0cyclictest65850irq/126-lan22:16:523
199259976,1cyclictest22462-21gltestperf19:15:142
199259975,2cyclictest743-21snmpd22:46:182
199259975,2cyclictest743-21snmpd22:41:102
199259975,2cyclictest743-21snmpd00:33:462
199259975,2cyclictest741-21lldpd19:41:552
199259973,1cyclictest15189-21cut21:35:162
199259972,2cyclictest743-21snmpd23:09:182
199259972,2cyclictest743-21snmpd19:20:062
199259972,2cyclictest17260-21ldconfig20:20:172
199259971,2cyclictest8527-21tune2fs21:20:132
199259971,2cyclictest557-21NetworkManager19:56:552
199259970,3cyclictest8351-21diskstats23:55:122
199259970,3cyclictest6551-21/usr/sbin/munin22:35:152
199259970,3cyclictest30853-21ntpq23:30:172
199259970,3cyclictest30813-21perl20:55:122
199259970,3cyclictest25246-21ntpq20:40:162
199259970,3cyclictest25241-21ntpq22:00:172
199259970,3cyclictest22848-21irqstats21:55:152
199259970,3cyclictest2019-21fw_forwarded_lo23:40:112
199259970,3cyclictest18526-21diskstats21:45:122
199259970,3cyclictest1310-21ntpq22:20:162
199259970,3cyclictest13094-21ntp_states00:05:182
199259970,3cyclictest12592-21fw_forwarded_lo21:30:152
199219977,0cyclictest743-21snmpd23:19:351
199219977,0cyclictest743-21snmpd22:35:441
199219977,0cyclictest743-21snmpd21:36:511
199219977,0cyclictest743-21snmpd21:02:381
199219977,0cyclictest743-21snmpd20:37:531
199219977,0cyclictest743-21snmpd20:25:291
199219977,0cyclictest743-21snmpd20:25:281
199219977,0cyclictest743-21snmpd19:18:231
199219977,0cyclictest741-21lldpd21:52:251
199219977,0cyclictest741-21lldpd21:05:051
199219977,0cyclictest741-21lldpd20:40:281
199219976,1cyclictest743-21snmpd23:49:361
199219976,1cyclictest741-21lldpd23:35:051
199219976,1cyclictest741-21lldpd21:27:141
199219976,1cyclictest522-21avahi-daemon20:24:211
199219975,2cyclictest743-21snmpd22:58:121
199219975,2cyclictest743-21snmpd22:28:541
199219975,2cyclictest743-21snmpd22:22:351
199219975,2cyclictest743-21snmpd22:03:551
199219975,2cyclictest743-21snmpd19:30:411
199219973,3cyclictest8909-21fw_forwarded_lo22:40:121
199169977,0cyclictest743-21snmpd21:37:390
199169977,0cyclictest743-21snmpd21:21:480
199169977,0cyclictest743-21snmpd21:10:570
199169977,0cyclictest743-21snmpd19:14:500
199169977,0cyclictest741-21lldpd22:11:360
199169976,1cyclictest743-21snmpd23:51:080
199169976,1cyclictest743-21snmpd23:37:430
199169976,1cyclictest743-21snmpd23:06:330
199169976,1cyclictest743-21snmpd21:33:540
199169976,1cyclictest743-21snmpd20:41:040
199169976,1cyclictest717-21ntpd23:25:190
199169976,1cyclictest717-21ntpd00:10:170
199169976,1cyclictest522-21avahi-daemon23:03:500
199169976,1cyclictest522-21avahi-daemon22:50:150
199169976,1cyclictest522-21avahi-daemon20:45:390
199169976,1cyclictest506-21systemd-resolve00:20:190
199169975,2cyclictest743-21snmpd23:12:160
199169975,2cyclictest743-21snmpd22:26:470
199169975,2cyclictest743-21snmpd22:02:110
199169975,2cyclictest743-21snmpd21:01:290
199169975,2cyclictest743-21snmpd19:31:110
199169975,2cyclictest743-21snmpd00:06:350
199169975,2cyclictest717-21ntpd20:25:160
199169975,2cyclictest717-21ntpd20:25:150
199169973,4cyclictest743-21snmpd20:05:110
199169973,3cyclictest23491-21sed21:55:190
199259960,3cyclictest8644-21ntpq20:00:162
199259960,3cyclictest29317-21ntpq20:50:162
199259960,3cyclictest29162-21ntpq22:10:152
199259960,3cyclictest21152-21ntpq20:30:152
199259960,3cyclictest18882-21irqstats20:25:152
199259960,3cyclictest18882-21irqstats20:25:142
199219966,0cyclictest743-21snmpd23:24:071
199219966,0cyclictest743-21snmpd19:56:541
199219966,0cyclictest743-21snmpd00:36:161
199219966,0cyclictest743-21snmpd00:01:451
199219966,0cyclictest741-21lldpd21:17:591
199219966,0cyclictest741-21lldpd19:37:511
199219966,0cyclictest741-21lldpd00:34:091
199219966,0cyclictest741-21lldpd00:08:011
199219966,0cyclictest522-21avahi-daemon20:07:551
199219965,1cyclictest743-21snmpd23:10:061
199219965,1cyclictest522-21avahi-daemon21:49:041
199219964,2cyclictest557-21NetworkManager21:40:211
199219962,3cyclictest244-20systemd-journal22:30:061
199169966,0cyclictest743-21snmpd22:37:440
199169966,0cyclictest741-21lldpd23:58:190
199169966,0cyclictest741-21lldpd22:40:060
199169966,0cyclictest741-21lldpd20:36:100
199169966,0cyclictest741-21lldpd20:22:100
199169966,0cyclictest741-21lldpd19:24:210
199169966,0cyclictest522-21avahi-daemon22:07:020
199169965,1cyclictest20414-21cpuspeed_turbos00:25:120
199169964,2cyclictest717-21ntpd22:45:130
199169964,2cyclictest0-21swapper/022:30:200
199169962,3cyclictest6909-21grep19:55:190
199259953,0cyclictest522-21avahi-daemon23:35:102
199259950,2cyclictest24451-21cat20:40:012
199219955,0cyclictest743-21snmpd19:50:481
199219955,0cyclictest741-21lldpd19:20:581
199219955,0cyclictest522-21avahi-daemon20:13:061
199219953,2cyclictest717-21ntpd20:50:211
199219952,3cyclictest717-21ntpd22:07:461
199219952,2cyclictest575-21rs:main1
199219952,2cyclictest2693-21ntpq19:45:171
199219951,3cyclictest14987-21collect200:10:161
199219950,4cyclictest18484-21df_inode00:20:101
199169954,1cyclictest0-21swapper/021:45:130
199169953,2cyclictest969-21cat22:20:130
199169953,2cyclictest717-21ntpd19:26:560
199169953,2cyclictest14238-21sed20:15:000
199169952,3cyclictest557-21NetworkManager22:15:140
199169951,3cyclictest326-21memory19:40:150
199169951,3cyclictest3016-21sed19:45:210
199169951,3cyclictest16960-21sed21:40:150
199169950,4cyclictest8749-21ntpq20:00:170
199259943,1cyclictest0-21swapper/223:20:192
199219942,2cyclictest28724-21cut22:10:121
199219942,2cyclictest17606-21cat23:00:131
199219940,4cyclictest31347-21ntpq20:55:171
199219940,3cyclictest26157-21/usr/sbin/munin19:25:111
199169942,2cyclictest29793-21apt-config23:30:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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