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2026-04-25 - 06:17

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Sat Apr 25, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8291991818,0cyclictest65850irq/126-lan23:11:233
8291991818,0cyclictest65850irq/126-lan20:00:133
8291991818,0cyclictest65850irq/126-lan19:40:203
8291991817,1cyclictest65850irq/126-lan23:20:213
8291991817,1cyclictest65850irq/126-lan22:25:123
8291991817,1cyclictest65850irq/126-lan21:55:193
8291991817,1cyclictest65850irq/126-lan21:15:043
8291991817,1cyclictest65850irq/126-lan19:20:273
8277991818,0cyclictest28216-21cat21:15:130
8291991717,0cyclictest65850irq/126-lan23:33:243
8291991717,0cyclictest65850irq/126-lan19:45:113
8291991716,1cyclictest65850irq/126-lan22:45:163
8291991716,1cyclictest65850irq/126-lan22:05:163
8291991716,1cyclictest65850irq/126-lan21:45:123
8291991716,1cyclictest65850irq/126-lan21:25:213
8291991716,1cyclictest65850irq/126-lan20:40:133
8291991716,1cyclictest65850irq/126-lan20:40:123
8291991716,1cyclictest65850irq/126-lan00:20:213
8277991717,0cyclictest743-21snmpd23:35:520
8277991717,0cyclictest743-21snmpd23:33:190
8277991717,0cyclictest743-21snmpd21:37:110
8277991717,0cyclictest743-21snmpd19:32:250
8291991616,0cyclictest65850irq/126-lan23:00:133
8291991616,0cyclictest65850irq/126-lan22:40:163
8291991616,0cyclictest65850irq/126-lan22:10:123
8291991616,0cyclictest65850irq/126-lan21:35:153
8291991616,0cyclictest65850irq/126-lan19:38:073
8291991615,1cyclictest65850irq/126-lan23:55:273
8291991615,1cyclictest65850irq/126-lan20:30:133
8291991615,1cyclictest65850irq/126-lan20:25:213
8291991615,1cyclictest65850irq/126-lan20:15:153
8291991615,1cyclictest65850irq/126-lan20:12:233
8277991616,0cyclictest743-21snmpd23:19:540
8277991616,0cyclictest743-21snmpd23:12:300
8277991616,0cyclictest743-21snmpd22:40:260
8277991616,0cyclictest743-21snmpd22:00:040
8277991616,0cyclictest743-21snmpd21:40:420
8277991616,0cyclictest743-21snmpd21:27:300
8277991616,0cyclictest743-21snmpd21:23:360
8277991616,0cyclictest743-21snmpd21:06:320
8277991616,0cyclictest743-21snmpd20:34:010
8277991616,0cyclictest743-21snmpd20:21:450
8277991616,0cyclictest743-21snmpd20:02:080
8277991616,0cyclictest743-21snmpd19:55:540
8277991616,0cyclictest743-21snmpd19:52:530
8277991616,0cyclictest743-21snmpd19:19:070
8277991616,0cyclictest743-21snmpd00:13:520
8277991616,0cyclictest16453-21cat22:05:130
8291991515,0cyclictest65850irq/126-lan23:54:593
8291991515,0cyclictest65850irq/126-lan23:45:163
8291991515,0cyclictest65850irq/126-lan20:55:353
8291991515,0cyclictest65850irq/126-lan19:29:093
8291991515,0cyclictest65850irq/126-lan00:35:203
8291991515,0cyclictest65850irq/126-lan00:15:183
8291991514,1cyclictest65850irq/126-lan21:30:553
8291991514,1cyclictest65850irq/126-lan21:10:103
8291991514,1cyclictest65850irq/126-lan20:05:123
8291991514,1cyclictest65850irq/126-lan19:50:133
8291991514,1cyclictest65850irq/126-lan00:09:243
8291991514,1cyclictest65850irq/126-lan00:00:163
8277991515,0cyclictest743-21snmpd22:50:490
8277991515,0cyclictest743-21snmpd22:37:250
8277991515,0cyclictest743-21snmpd19:35:370
8291991414,0cyclictest65850irq/126-lan22:55:103
8291991414,0cyclictest65850irq/126-lan21:06:013
8291991414,0cyclictest65850irq/126-lan20:54:233
8291991414,0cyclictest65850irq/126-lan20:35:203
8291991413,1cyclictest65850irq/126-lan23:35:143
8291991413,1cyclictest65850irq/126-lan23:25:013
8291991413,1cyclictest65850irq/126-lan23:05:153
8291991413,1cyclictest65850irq/126-lan22:15:143
8291991413,1cyclictest65850irq/126-lan21:20:193
8277991414,0cyclictest22202-21cat21:00:130
8291991313,0cyclictest65850irq/126-lan19:31:413
8291991313,0cyclictest65850irq/126-lan00:25:203
8291991312,1cyclictest65850irq/126-lan23:15:123
8291991312,1cyclictest65850irq/126-lan22:29:593
8291991312,1cyclictest65850irq/126-lan21:00:183
8291991212,0cyclictest65850irq/126-lan00:33:233
8291991211,1cyclictest65850irq/126-lan21:53:513
8291991211,1cyclictest65850irq/126-lan20:20:183
8291991211,1cyclictest65850irq/126-lan19:55:153
8291991110,1cyclictest65850irq/126-lan22:35:173
8291991110,1cyclictest65850irq/126-lan22:20:113
829199109,1cyclictest65850irq/126-lan21:40:133
8291991010,0cyclictest65850irq/126-lan23:40:183
8291991010,0cyclictest65850irq/126-lan19:10:173
82919999,0cyclictest65850irq/126-lan00:10:143
82919998,1cyclictest65850irq/126-lan22:50:203
82919998,1cyclictest65850irq/126-lan19:19:233
82839998,1cyclictest743-21snmpd22:00:061
82779999,0cyclictest741-21lldpd21:12:070
82779998,1cyclictest743-21snmpd21:48:440
82779998,1cyclictest743-21snmpd00:36:270
82849988,0cyclictest743-21snmpd22:45:442
82849988,0cyclictest743-21snmpd20:33:152
82849988,0cyclictest743-21snmpd00:29:592
82849988,0cyclictest741-21lldpd22:41:122
82849987,1cyclictest743-21snmpd23:30:222
82849987,1cyclictest743-21snmpd22:55:532
82849987,1cyclictest743-21snmpd21:42:092
82849987,1cyclictest743-21snmpd21:36:002
82849987,1cyclictest743-21snmpd20:36:182
82849987,1cyclictest743-21snmpd19:51:542
82849987,1cyclictest743-21snmpd19:26:412
82849987,1cyclictest522-21avahi-daemon20:53:402
82849986,2cyclictest743-21snmpd23:16:242
82849986,2cyclictest743-21snmpd22:35:372
82849986,2cyclictest743-21snmpd21:20:232
82849986,2cyclictest743-21snmpd21:04:582
82849986,2cyclictest743-21snmpd20:42:552
82849986,2cyclictest743-21snmpd20:42:542
82849986,2cyclictest743-21snmpd20:26:312
82849986,2cyclictest743-21snmpd19:13:322
82849986,2cyclictest743-21snmpd00:01:352
82849985,3cyclictest244-20systemd-journal23:00:182
82849985,2cyclictest743-21snmpd20:45:002
82849984,3cyclictest26108-21apt-get22:30:132
82839988,0cyclictest741-21lldpd23:11:191
82839988,0cyclictest741-21lldpd21:37:211
82839988,0cyclictest741-21lldpd21:23:251
82839988,0cyclictest741-21lldpd20:41:191
82839988,0cyclictest741-21lldpd20:41:181
82839987,1cyclictest743-21snmpd23:23:561
82839987,1cyclictest743-21snmpd19:25:291
82839987,1cyclictest743-21snmpd19:22:321
82839987,1cyclictest743-21snmpd00:10:311
82839987,1cyclictest741-21lldpd19:35:121
82839987,1cyclictest19296-21unixbench_multi22:10:201
82779988,0cyclictest741-21lldpd20:40:110
82779988,0cyclictest741-21lldpd20:40:110
82779988,0cyclictest741-21lldpd00:15:020
82779988,0cyclictest741-21lldpd00:05:480
82779987,1cyclictest743-21snmpd23:22:570
82779987,1cyclictest743-21snmpd20:58:260
82779987,1cyclictest743-21snmpd00:23:560
82779986,2cyclictest743-21snmpd00:03:200
82849977,0cyclictest743-21snmpd22:23:312
82849977,0cyclictest743-21snmpd22:16:122
82849977,0cyclictest741-21lldpd21:45:222
82849977,0cyclictest741-21lldpd21:10:482
82849977,0cyclictest741-21lldpd20:57:222
82849977,0cyclictest741-21lldpd19:37:422
82849977,0cyclictest741-21lldpd19:30:252
82849977,0cyclictest522-21avahi-daemon22:50:402
82849977,0cyclictest506-21systemd-resolve00:23:332
82849976,1cyclictest743-21snmpd23:21:112
82849976,1cyclictest743-21snmpd23:07:112
82849976,1cyclictest743-21snmpd22:14:042
82849976,1cyclictest743-21snmpd21:56:102
82849976,1cyclictest741-21lldpd19:44:282
82849976,1cyclictest22704-21gltestperf23:40:142
82849975,2cyclictest743-21snmpd23:54:552
82849975,2cyclictest743-21snmpd23:25:392
82849975,2cyclictest743-21snmpd20:00:112
82839977,0cyclictest743-21snmpd23:28:431
82839977,0cyclictest743-21snmpd22:40:561
82839977,0cyclictest743-21snmpd19:57:361
82839977,0cyclictest741-21lldpd23:43:111
82839977,0cyclictest741-21lldpd23:38:491
82839977,0cyclictest741-21lldpd23:34:211
82839977,0cyclictest741-21lldpd22:30:341
82839977,0cyclictest741-21lldpd21:43:391
82839977,0cyclictest522-21avahi-daemon21:52:591
82839976,1cyclictest7959-21gltestperf20:25:151
82839976,1cyclictest743-21snmpd19:54:141
82839975,2cyclictest743-21snmpd23:46:461
82839975,2cyclictest743-21snmpd22:17:361
82839975,2cyclictest743-21snmpd21:00:371
82839975,2cyclictest743-21snmpd20:47:511
82839975,2cyclictest743-21snmpd20:18:511
82839975,2cyclictest743-21snmpd20:06:051
82839973,3cyclictest2745-21ntp_states21:30:171
82839972,4cyclictest244-20systemd-journal23:06:531
82779977,0cyclictest743-21snmpd22:25:050
82779977,0cyclictest743-21snmpd20:53:590
82779977,0cyclictest743-21snmpd00:32:420
82779977,0cyclictest741-21lldpd21:59:260
82779977,0cyclictest741-21lldpd20:39:040
82779976,1cyclictest743-21snmpd23:59:190
82779975,2cyclictest743-21snmpd22:15:550
82779975,2cyclictest743-21snmpd20:28:490
82779975,2cyclictest743-21snmpd20:15:030
82779975,2cyclictest743-21snmpd19:12:320
82849966,0cyclictest743-21snmpd22:00:452
82849966,0cyclictest743-21snmpd20:14:432
82849966,0cyclictest741-21lldpd23:37:542
82849965,1cyclictest743-21snmpd23:47:402
82849965,1cyclictest743-21snmpd21:32:142
82849965,1cyclictest743-21snmpd00:30:332
82849965,1cyclictest590-21gmain00:06:192
82849965,1cyclictest12840-21needreboot00:35:152
82849964,2cyclictest743-21snmpd20:15:182
82849963,3cyclictest24391-21fw_forwarded_lo22:25:142
82849963,2cyclictest10583-21sed23:10:142
82839966,0cyclictest743-21snmpd19:19:371
82839966,0cyclictest741-21lldpd22:55:071
82839966,0cyclictest522-21avahi-daemon20:33:301
82839966,0cyclictest522-21avahi-daemon20:23:541
82839965,1cyclictest743-21snmpd19:45:261
82839965,1cyclictest743-21snmpd19:11:081
82839965,1cyclictest522-21avahi-daemon19:41:291
82839965,1cyclictest30222-21gltestperf20:00:121
82839963,3cyclictest16967-21apt-get19:30:111
82839961,4cyclictest3329-21cat20:15:011
82779966,0cyclictest743-21snmpd21:50:380
82779966,0cyclictest741-21lldpd22:57:110
82779966,0cyclictest741-21lldpd19:42:060
82779966,0cyclictest741-21lldpd19:28:400
82779965,1cyclictest743-21snmpd23:46:310
82779964,2cyclictest743-21snmpd19:45:050
82919955,0cyclictest65850irq/126-lan20:45:143
82919954,1cyclictest65850irq/126-lan22:04:263
82849955,0cyclictest522-21avahi-daemon19:45:102
82849954,1cyclictest32339-21cpuspeed_turbos21:25:122
82849953,2cyclictest743-21snmpd21:15:042
82849953,2cyclictest743-21snmpd20:06:332
82849952,2cyclictest5470-21sed00:15:222
82849952,2cyclictest10571-21sed21:50:162
82849950,2cyclictest30184-21latency_hist00:00:002
82839955,0cyclictest743-21snmpd21:27:241
82839955,0cyclictest573-21in:imuxsock00:09:151
82839955,0cyclictest522-21avahi-daemon00:28:301
82839954,1cyclictest741-21lldpd23:55:081
82839953,2cyclictest4141-21apt-get00:15:131
82839952,3cyclictest27465-21sshd21:14:241
82839952,2cyclictest28709-21wc22:35:141
82839952,2cyclictest28264-21tr21:15:141
82839952,2cyclictest18365-21needreboot20:50:151
82839952,2cyclictest17437-21seq22:06:001
82839952,2cyclictest13197-21sed21:55:211
82839952,2cyclictest1107-21awk22:45:231
82839951,4cyclictest557-21NetworkManager00:21:111
82839951,3cyclictest2621-21ntp_states22:50:161
82839951,3cyclictest12208-21memory20:35:141
82839950,3cyclictest23838-21awk22:24:591
82779955,0cyclictest741-21lldpd23:41:440
82779953,2cyclictest743-21snmpd21:30:050
82779953,2cyclictest717-21ntpd22:45:170
82779953,2cyclictest717-21ntpd19:21:110
82779952,3cyclictest557-21NetworkManager20:05:300
82779952,3cyclictest244-20systemd-journal20:48:150
82779952,3cyclictest23437-21users22:20:200
82779952,2cyclictest6196-21sed23:00:140
82779951,3cyclictest8396-21cat23:05:140
82849944,0cyclictest573-21in:imuxsock20:24:252
82849942,2cyclictest743-21snmpd22:06:132
82849941,3cyclictest2414-21perl00:10:122
82849941,2cyclictest244-20systemd-journal19:17:332
82849940,3cyclictest28061-21diskstats19:55:122
82849940,3cyclictest24465-21ntp_192.168.11421:05:152
82839944,0cyclictest0-21swapper/123:50:131
82839941,2cyclictest6482-21head23:00:161
82839941,2cyclictest10747-21cat00:30:151
82839940,4cyclictest8655-21ntp_192.168.11421:45:171
82839940,4cyclictest24885-21ntpq22:25:181
82839940,3cyclictest31803-21/usr/sbin/munin00:00:201
82839940,3cyclictest20114-21hddtemp_smartct20:55:131
82839940,3cyclictest12575-21ntp_192.168.11423:15:161
82839940,3cyclictest12512-21fw_forwarded_lo00:35:131
82839940,2cyclictest25528-21basename21:10:011
82779943,1cyclictest26933-21ntpq22:30:180
82779942,2cyclictest717-21ntpd23:29:120
82779941,2cyclictest8601-21ls00:25:150
82779940,3cyclictest2385-21ntpq20:10:170
82779940,2cyclictest26712-21fschecks_time23:50:130
82779940,2cyclictest12913-21kworker/u16:0+ext4-rsv-conversion22:15:000
82849930,3cyclictest506-21systemd-resolve19:20:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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