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2026-06-09 - 13:56

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 Tue Jun 09, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27023991918,1cyclictest65850irq/126-lan00:33:163
27023991818,0cyclictest65850irq/126-lan21:50:133
27023991818,0cyclictest65850irq/126-lan20:53:303
27023991818,0cyclictest65850irq/126-lan19:20:193
27023991817,1cyclictest65850irq/126-lan22:00:173
27023991817,1cyclictest65850irq/126-lan21:44:273
27023991817,1cyclictest65850irq/126-lan21:20:203
27023991717,0cyclictest65850irq/126-lan23:10:173
27023991717,0cyclictest65850irq/126-lan20:39:163
27023991717,0cyclictest65850irq/126-lan19:34:163
27023991716,1cyclictest65850irq/126-lan23:00:153
27023991716,1cyclictest65850irq/126-lan22:35:103
27023991716,1cyclictest65850irq/126-lan20:45:123
27023991716,1cyclictest65850irq/126-lan00:20:153
27023991616,0cyclictest65850irq/126-lan23:40:193
27023991616,0cyclictest65850irq/126-lan22:34:163
27023991616,0cyclictest65850irq/126-lan20:06:163
27023991616,0cyclictest65850irq/126-lan19:52:103
27023991615,1cyclictest65850irq/126-lan23:15:153
27023991615,1cyclictest65850irq/126-lan22:45:163
27023991615,1cyclictest65850irq/126-lan22:40:143
27023991615,1cyclictest65850irq/126-lan22:20:403
27023991615,1cyclictest65850irq/126-lan21:55:153
27023991615,1cyclictest65850irq/126-lan21:15:123
27023991615,1cyclictest65850irq/126-lan20:55:113
27023991615,1cyclictest65850irq/126-lan20:27:173
27023991615,1cyclictest65850irq/126-lan20:10:133
27023991615,1cyclictest65850irq/126-lan00:35:163
27023991515,0cyclictest65850irq/126-lan23:55:133
27023991515,0cyclictest65850irq/126-lan23:27:503
27023991515,0cyclictest65850irq/126-lan22:58:153
27023991515,0cyclictest65850irq/126-lan21:37:283
27023991515,0cyclictest65850irq/126-lan21:00:133
27023991514,1cyclictest65850irq/126-lan23:45:143
27023991514,1cyclictest65850irq/126-lan20:00:193
27023991514,1cyclictest65850irq/126-lan19:45:173
27023991514,1cyclictest65850irq/126-lan19:10:203
27023991514,1cyclictest65850irq/126-lan00:15:193
27023991414,0cyclictest65850irq/126-lan21:48:243
27023991414,0cyclictest65850irq/126-lan21:30:183
27023991414,0cyclictest65850irq/126-lan20:17:133
27023991414,0cyclictest65850irq/126-lan19:55:163
27023991414,0cyclictest10598-21cat21:05:143
27023991413,1cyclictest65850irq/126-lan23:50:123
27023991413,1cyclictest65850irq/126-lan23:30:213
27023991413,1cyclictest65850irq/126-lan21:10:183
27023991413,1cyclictest65850irq/126-lan19:25:213
27023991313,0cyclictest65850irq/126-lan23:22:013
27023991313,0cyclictest65850irq/126-lan19:40:223
27023991313,0cyclictest65850irq/126-lan00:00:113
27023991312,1cyclictest65850irq/126-lan22:25:103
27023991312,1cyclictest65850irq/126-lan21:25:123
27023991312,1cyclictest65850irq/126-lan20:30:113
27023991212,0cyclictest65850irq/126-lan23:35:103
27023991212,0cyclictest65850irq/126-lan23:08:153
27023991212,0cyclictest65850irq/126-lan22:50:123
27023991212,0cyclictest65850irq/126-lan22:10:123
27023991212,0cyclictest65850irq/126-lan22:10:113
27023991212,0cyclictest65850irq/126-lan19:15:193
27023991212,0cyclictest65850irq/126-lan00:25:133
27023991212,0cyclictest65850irq/126-lan00:10:203
27023991111,0cyclictest65850irq/126-lan22:05:123
27023991110,1cyclictest65850irq/126-lan20:40:173
270239999,0cyclictest65850irq/126-lan20:25:003
270239999,0cyclictest65850irq/126-lan00:05:193
270219998,1cyclictest743-21snmpd23:46:532
270219998,1cyclictest743-21snmpd22:35:492
270219998,1cyclictest743-21snmpd21:50:302
270219998,1cyclictest743-21snmpd19:22:002
270219998,1cyclictest743-21snmpd00:02:342
270179998,1cyclictest741-21lldpd20:44:161
270129998,1cyclictest743-21snmpd22:08:150
270129998,1cyclictest743-21snmpd20:08:140
270129998,1cyclictest743-21snmpd19:20:120
270129998,1cyclictest741-21lldpd20:28:260
270239988,0cyclictest65850irq/126-lan22:19:163
270219988,0cyclictest743-21snmpd21:27:352
270219988,0cyclictest743-21snmpd20:37:512
270219988,0cyclictest741-21lldpd21:31:192
270219988,0cyclictest741-21lldpd00:05:592
270219987,1cyclictest743-21snmpd22:50:412
270219986,2cyclictest743-21snmpd23:16:582
270219986,2cyclictest743-21snmpd21:41:112
270219986,2cyclictest743-21snmpd20:53:282
270219986,2cyclictest743-21snmpd19:29:572
270179988,0cyclictest743-21snmpd23:44:311
270179988,0cyclictest743-21snmpd22:00:241
270179988,0cyclictest743-21snmpd21:43:141
270179988,0cyclictest743-21snmpd20:00:171
270179988,0cyclictest741-21lldpd23:32:161
270179987,1cyclictest743-21snmpd20:09:321
270179987,1cyclictest10556-21cpuspeed_turbos22:25:111
270179986,2cyclictest743-21snmpd20:25:061
270179986,2cyclictest743-21snmpd00:11:501
270179986,2cyclictest12597-21cat21:10:131
270129988,0cyclictest743-21snmpd21:34:230
270129988,0cyclictest743-21snmpd21:20:380
270129988,0cyclictest743-21snmpd19:16:090
270129988,0cyclictest741-21lldpd22:43:360
270129988,0cyclictest741-21lldpd19:10:030
270129987,1cyclictest743-21snmpd23:25:360
270129987,1cyclictest743-21snmpd22:24:160
270129987,1cyclictest743-21snmpd21:26:290
270129987,1cyclictest743-21snmpd20:52:460
270129986,2cyclictest743-21snmpd23:40:070
270129986,2cyclictest743-21snmpd23:22:000
270129986,2cyclictest743-21snmpd22:58:500
270129986,2cyclictest743-21snmpd22:38:520
270129986,2cyclictest743-21snmpd22:26:160
270129986,2cyclictest743-21snmpd21:39:110
270129986,2cyclictest743-21snmpd20:20:050
270129986,2cyclictest743-21snmpd20:14:530
270129986,2cyclictest743-21snmpd19:31:040
270129986,2cyclictest743-21snmpd00:31:380
270129986,2cyclictest743-21snmpd00:18:230
270239977,0cyclictest65850irq/126-lan19:35:143
270219977,0cyclictest743-21snmpd23:26:392
270219977,0cyclictest743-21snmpd22:20:432
270219977,0cyclictest743-21snmpd21:21:292
270219977,0cyclictest743-21snmpd20:20:442
270219977,0cyclictest743-21snmpd20:18:532
270219977,0cyclictest743-21snmpd19:51:102
270219977,0cyclictest743-21snmpd00:33:532
270219977,0cyclictest741-21lldpd23:37:292
270219977,0cyclictest741-21lldpd20:27:062
270219977,0cyclictest741-21lldpd20:05:042
270219976,1cyclictest743-21snmpd19:38:072
270219976,1cyclictest743-21snmpd19:31:102
270219976,1cyclictest522-21avahi-daemon00:20:222
270219976,1cyclictest32699-21gltestperf22:00:142
270219976,1cyclictest26375-21cpuspeed_turbos21:45:132
270219975,2cyclictest743-21snmpd23:09:212
270219975,2cyclictest743-21snmpd22:32:102
270219975,2cyclictest743-21snmpd00:26:292
270219973,3cyclictest9331-21sed21:00:192
270179977,0cyclictest743-21snmpd22:56:021
270179977,0cyclictest743-21snmpd00:23:151
270179977,0cyclictest741-21lldpd20:32:081
270179977,0cyclictest741-21lldpd20:20:021
270179977,0cyclictest741-21lldpd19:16:451
270179976,1cyclictest743-21snmpd21:36:471
270179976,1cyclictest743-21snmpd21:00:191
270179976,1cyclictest743-21snmpd20:51:551
270179976,1cyclictest743-21snmpd19:59:381
270179976,1cyclictest522-21avahi-daemon00:36:211
270179976,1cyclictest20319-21cpuspeed_turbos21:30:131
270179976,1cyclictest1247-21gltestperf19:25:141
270179975,2cyclictest743-21snmpd23:55:311
270179975,2cyclictest743-21snmpd22:38:251
270179975,2cyclictest743-21snmpd21:15:071
270179975,2cyclictest743-21snmpd20:57:311
270179975,2cyclictest743-21snmpd20:36:331
270129977,0cyclictest743-21snmpd21:50:060
270129977,0cyclictest743-21snmpd19:29:210
270129977,0cyclictest741-21lldpd23:17:190
270129977,0cyclictest741-21lldpd21:07:530
270129977,0cyclictest741-21lldpd20:44:020
270129977,0cyclictest741-21lldpd20:37:460
270129977,0cyclictest741-21lldpd00:35:020
270129977,0cyclictest741-21lldpd00:21:280
270129976,1cyclictest743-21snmpd23:48:310
270129976,1cyclictest743-21snmpd22:50:590
270129976,1cyclictest741-21lldpd23:12:120
270129976,1cyclictest522-21avahi-daemon21:46:180
270129976,1cyclictest522-21avahi-daemon00:25:240
270129975,2cyclictest743-21snmpd23:39:490
270129975,2cyclictest743-21snmpd22:34:290
270129975,2cyclictest743-21snmpd22:03:570
270129975,2cyclictest743-21snmpd19:50:190
270129975,2cyclictest15278-21cat23:55:140
270219966,0cyclictest743-21snmpd21:57:332
270219966,0cyclictest743-21snmpd19:56:312
270219966,0cyclictest741-21lldpd19:40:132
270219966,0cyclictest522-21avahi-daemon22:15:172
270219966,0cyclictest24686-21cron00:19:592
270219965,1cyclictest743-21snmpd23:43:102
270219965,1cyclictest743-21snmpd23:31:042
270219965,1cyclictest743-21snmpd21:09:012
270219965,1cyclictest743-21snmpd19:15:272
270219965,1cyclictest545-21thermald23:59:592
270219965,1cyclictest10556-21cpuspeed_turbos22:25:112
270219964,2cyclictest743-21snmpd23:50:012
270219964,2cyclictest743-21snmpd23:12:512
270219964,2cyclictest743-21snmpd22:56:442
270219964,2cyclictest743-21snmpd22:49:382
270219963,3cyclictest21205-21fw_conntrack00:10:122
270219963,2cyclictest244-20systemd-journal20:31:212
270219960,5cyclictest336-21ntpq20:40:172
270179966,0cyclictest743-21snmpd23:18:251
270179966,0cyclictest743-21snmpd00:06:201
270179966,0cyclictest741-21lldpd21:09:151
270179966,0cyclictest27003-21cyclictest00:00:121
270179965,1cyclictest741-21lldpd00:28:171
270179965,1cyclictest6299-21gltestperf22:15:111
270179965,1cyclictest11026-21cpuspeed_turbos19:50:111
270179964,2cyclictest743-21snmpd23:21:031
270179964,2cyclictest743-21snmpd19:23:571
270179963,3cyclictest557-21NetworkManager23:00:221
270179962,3cyclictest31596-21sed21:55:191
270179962,3cyclictest21733-21grep20:15:131
270179962,3cyclictest19627-21memory20:10:161
270179962,3cyclictest10301-21users19:45:221
270129965,1cyclictest741-21lldpd22:47:090
270129964,2cyclictest743-21snmpd23:33:030
270129964,2cyclictest743-21snmpd23:04:150
270129964,2cyclictest743-21snmpd21:55:120
270129964,2cyclictest743-21snmpd20:19:320
270219955,0cyclictest522-21avahi-daemon20:57:352
270219954,1cyclictest743-21snmpd20:02:112
270219953,2cyclictest743-21snmpd00:39:582
270219953,2cyclictest1979-21apt-get22:05:102
270219952,3cyclictest9416-21sed19:45:162
270219952,2cyclictest4944-21ps22:10:172
270219952,2cyclictest4944-21ps22:10:172
270219952,2cyclictest3441-21grep20:50:002
270219951,3cyclictest14737-21memory21:15:142
270179955,0cyclictest522-21avahi-daemon22:43:291
270179955,0cyclictest522-21avahi-daemon21:50:421
270179954,1cyclictest743-21snmpd19:36:401
270179954,1cyclictest0-21swapper/100:15:141
270179953,2cyclictest743-21snmpd19:10:031
270179953,2cyclictest717-21ntpd22:50:131
270179953,2cyclictest11234-21cat23:45:141
270179952,2cyclictest8471-21apt-get22:20:131
270179952,2cyclictest7114-21grep19:40:141
270179952,2cyclictest4546-21memory22:10:141
270179952,2cyclictest4546-21memory22:10:141
270179952,2cyclictest28694-21ls23:10:121
270179952,2cyclictest28064-21sshd23:06:151
270179952,2cyclictest16997-21ntp_kernel_pll_21:20:151
270179951,3cyclictest27637-21sed21:45:221
270179951,3cyclictest12871-21awk23:50:111
270129955,0cyclictest741-21lldpd00:07:280
270129955,0cyclictest27003-21cyclictest20:00:170
270129954,1cyclictest743-21snmpd23:53:200
270129954,1cyclictest0-21swapper/021:40:130
270129953,2cyclictest743-21snmpd21:19:000
270129952,3cyclictest557-21NetworkManager20:45:070
270129952,2cyclictest717-21ntpd00:00:150
270129952,2cyclictest4453-21cut22:10:140
270129952,2cyclictest4453-21cut22:10:140
270129950,4cyclictest27443-21ntpq23:05:180
270219944,0cyclictest741-21lldpd23:20:062
270219942,2cyclictest22460-21expr21:35:122
270219942,2cyclictest16942-21sort22:40:142
270219941,3cyclictest557-21NetworkManager20:13:312
270219941,2cyclictest24757-21tr23:00:112
270219940,3cyclictest12335-21diskstats21:10:122
270179944,0cyclictest741-21lldpd22:09:171
270179943,1cyclictest0-21swapper/100:30:111
270179942,2cyclictest2316-21tail20:45:151
270179941,3cyclictest557-21NetworkManager19:31:361
270179941,2cyclictest18406-21forks21:25:111
270179940,4cyclictest7515-21ntpq23:35:161
270179940,4cyclictest19330-21ntpq22:45:171
270179940,3cyclictest244-20systemd-journal23:25:121
270179940,3cyclictest13605-21threads22:30:201
270129944,0cyclictest741-21lldpd19:48:180
270129942,2cyclictest6092-21grep22:15:100
270129942,0cyclictest0-21swapper/019:35:110
270129941,3cyclictest557-21NetworkManager19:40:120
270129941,2cyclictest28397-21idleruntime20:30:130
270129940,4cyclictest8926-21ntpq21:00:170
270129940,4cyclictest6907-21ntpq20:55:160
270129940,3cyclictest21752-21ntp_states00:10:160
270129940,3cyclictest13828-21ntp_states19:55:180
270129940,3cyclictest12326-21df21:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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