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2026-04-01 - 10:13

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 Apr 01, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17345993737,0cyclictest16863-21fwupd23:02:422
17349991919,0cyclictest65850irq/126-lan19:49:573
17349991918,1cyclictest65850irq/126-lan23:45:163
17349991918,1cyclictest65850irq/126-lan21:10:183
17349991918,1cyclictest65850irq/126-lan20:55:143
17349991818,0cyclictest65850irq/126-lan23:55:183
17349991818,0cyclictest65850irq/126-lan21:55:213
17349991818,0cyclictest65850irq/126-lan21:35:203
17349991818,0cyclictest65850irq/126-lan20:05:213
17349991818,0cyclictest65850irq/126-lan00:36:423
17349991817,1cyclictest65850irq/126-lan22:20:173
17349991817,1cyclictest65850irq/126-lan21:45:013
17349991817,1cyclictest65850irq/126-lan19:25:213
17349991817,1cyclictest65850irq/126-lan00:10:123
17349991717,0cyclictest65850irq/126-lan21:15:133
17349991717,0cyclictest65850irq/126-lan20:29:343
17349991716,1cyclictest65850irq/126-lan23:40:173
17349991716,1cyclictest65850irq/126-lan23:35:193
17349991716,1cyclictest65850irq/126-lan23:15:143
17349991716,1cyclictest65850irq/126-lan22:55:203
17349991716,1cyclictest65850irq/126-lan22:25:173
17349991716,1cyclictest65850irq/126-lan22:10:203
17349991716,1cyclictest65850irq/126-lan21:21:373
17349991716,1cyclictest65850irq/126-lan20:00:143
17349991716,1cyclictest65850irq/126-lan19:55:243
17349991716,1cyclictest65850irq/126-lan00:20:143
17349991616,0cyclictest65850irq/126-lan22:40:193
17349991616,0cyclictest65850irq/126-lan20:46:213
17349991616,0cyclictest65850irq/126-lan19:23:203
17349991616,0cyclictest65850irq/126-lan19:10:193
17349991615,1cyclictest65850irq/126-lan22:05:153
17349991615,1cyclictest65850irq/126-lan22:00:213
17349991615,1cyclictest65850irq/126-lan21:40:093
17349991615,1cyclictest65850irq/126-lan21:30:173
17349991615,1cyclictest65850irq/126-lan21:02:213
17349991615,1cyclictest65850irq/126-lan19:30:193
17349991515,0cyclictest65850irq/126-lan22:15:153
17349991514,1cyclictest65850irq/126-lan23:50:143
17349991514,1cyclictest65850irq/126-lan22:45:153
17349991514,1cyclictest65850irq/126-lan22:45:143
17349991514,1cyclictest65850irq/126-lan22:30:193
17349991514,1cyclictest65850irq/126-lan21:25:193
17349991414,0cyclictest65850irq/126-lan23:05:133
17349991414,0cyclictest65850irq/126-lan21:05:093
17349991414,0cyclictest65850irq/126-lan20:12:213
17349991414,0cyclictest65850irq/126-lan00:15:143
17349991413,1cyclictest65850irq/126-lan23:20:183
17349991413,1cyclictest65850irq/126-lan20:50:133
17349991413,1cyclictest65850irq/126-lan20:35:113
17349991413,1cyclictest65850irq/126-lan19:45:013
17349991413,1cyclictest65850irq/126-lan19:35:173
17349991413,1cyclictest65850irq/126-lan00:30:153
17349991313,0cyclictest65850irq/126-lan20:30:213
17349991313,0cyclictest65850irq/126-lan00:25:143
17349991312,1cyclictest65850irq/126-lan19:15:133
17349991212,0cyclictest65850irq/126-lan23:31:213
17349991212,0cyclictest65850irq/126-lan20:15:193
17349991212,0cyclictest65850irq/126-lan00:02:103
17349991211,1cyclictest65850irq/126-lan23:00:203
17349991211,1cyclictest65850irq/126-lan22:35:133
17349991111,0cyclictest65850irq/126-lan22:50:143
17349991111,0cyclictest65850irq/126-lan19:50:153
17349991110,1cyclictest65850irq/126-lan20:40:103
1734999109,1cyclictest65850irq/126-lan00:10:003
17349991010,0cyclictest65850irq/126-lan21:50:143
17349991010,0cyclictest65850irq/126-lan20:24:203
173459998,1cyclictest743-21snmpd22:15:422
173459998,1cyclictest743-21snmpd20:42:572
173459998,1cyclictest741-21lldpd00:07:542
173409998,1cyclictest743-21snmpd22:44:111
173409998,1cyclictest743-21snmpd21:05:441
173379998,1cyclictest743-21snmpd22:44:410
173379998,1cyclictest743-21snmpd20:56:020
173379998,1cyclictest743-21snmpd20:10:050
173499988,0cyclictest65850irq/126-lan23:10:213
173499987,1cyclictest65850irq/126-lan23:25:003
173459988,0cyclictest743-21snmpd21:11:402
173459988,0cyclictest741-21lldpd22:41:392
173459988,0cyclictest741-21lldpd21:31:082
173459988,0cyclictest741-21lldpd20:49:002
173459988,0cyclictest741-21lldpd20:04:452
173459987,1cyclictest743-21snmpd22:27:282
173459987,1cyclictest743-21snmpd19:30:412
173459987,1cyclictest743-21snmpd19:10:342
173459987,1cyclictest741-21lldpd20:30:172
173459986,2cyclictest743-21snmpd23:39:062
173459986,2cyclictest743-21snmpd23:08:352
173459986,2cyclictest743-21snmpd22:21:132
173459986,2cyclictest743-21snmpd21:55:092
173459986,2cyclictest743-21snmpd21:41:152
173409988,0cyclictest743-21snmpd23:52:281
173409988,0cyclictest743-21snmpd21:54:121
173409988,0cyclictest743-21snmpd00:30:311
173409988,0cyclictest741-21lldpd22:35:451
173409988,0cyclictest741-21lldpd00:38:231
173409988,0cyclictest741-21lldpd00:08:081
173409987,1cyclictest743-21snmpd22:16:481
173409986,2cyclictest743-21snmpd23:37:481
173409986,2cyclictest743-21snmpd23:08:291
173409986,2cyclictest743-21snmpd20:58:101
173409986,2cyclictest743-21snmpd19:55:351
173379988,0cyclictest741-21lldpd20:09:450
173379988,0cyclictest741-21lldpd00:15:080
173379987,1cyclictest743-21snmpd23:41:180
173379987,1cyclictest741-21lldpd23:07:180
173379986,2cyclictest743-21snmpd23:27:090
173379986,2cyclictest743-21snmpd23:00:530
173379986,2cyclictest743-21snmpd22:38:440
173379986,2cyclictest743-21snmpd22:09:040
173379986,2cyclictest743-21snmpd22:04:060
173379986,2cyclictest743-21snmpd21:55:060
173379986,2cyclictest743-21snmpd20:01:090
173379982,3cyclictest21678-21cat20:40:010
173459977,0cyclictest743-21snmpd22:32:032
173459977,0cyclictest743-21snmpd21:17:472
173459977,0cyclictest743-21snmpd21:02:532
173459977,0cyclictest743-21snmpd20:58:522
173459977,0cyclictest743-21snmpd19:47:242
173459977,0cyclictest743-21snmpd19:22:402
173459977,0cyclictest741-21lldpd19:59:102
173459977,0cyclictest11995-21latency_hist00:15:002
173459976,1cyclictest8216-21needreboot00:00:152
173459976,1cyclictest743-21snmpd23:10:202
173459976,1cyclictest743-21snmpd20:15:272
173459976,1cyclictest522-21avahi-daemon23:53:352
173459975,2cyclictest743-21snmpd23:20:182
173459975,2cyclictest743-21snmpd22:05:192
173459975,2cyclictest743-21snmpd21:26:292
173459975,2cyclictest743-21snmpd00:39:232
173459975,2cyclictest12953-21cat21:35:142
173459973,3cyclictest8493-21sed20:05:212
173409977,0cyclictest743-21snmpd23:27:241
173409977,0cyclictest743-21snmpd19:30:561
173409977,0cyclictest741-21lldpd23:13:291
173409977,0cyclictest741-21lldpd22:30:381
173409977,0cyclictest741-21lldpd21:19:041
173409977,0cyclictest741-21lldpd21:11:231
173409977,0cyclictest741-21lldpd20:33:591
173409977,0cyclictest741-21lldpd19:27:381
173409977,0cyclictest741-21lldpd00:13:491
173409976,1cyclictest743-21snmpd21:40:481
173409976,1cyclictest743-21snmpd21:37:361
173409976,1cyclictest741-21lldpd23:18:181
173409975,2cyclictest743-21snmpd22:02:511
173409975,2cyclictest743-21snmpd20:44:511
173409975,2cyclictest743-21snmpd19:20:041
173379977,0cyclictest743-21snmpd20:30:040
173379977,0cyclictest743-21snmpd20:29:450
173379977,0cyclictest743-21snmpd00:14:130
173379977,0cyclictest741-21lldpd21:49:270
173379977,0cyclictest741-21lldpd21:14:240
173379977,0cyclictest741-21lldpd20:46:010
173379977,0cyclictest522-21avahi-daemon20:24:540
173379977,0cyclictest522-21avahi-daemon00:24:140
173379976,1cyclictest743-21snmpd22:56:350
173379976,1cyclictest743-21snmpd19:33:170
173379976,1cyclictest741-21lldpd23:39:560
173379976,1cyclictest522-21avahi-daemon23:55:170
173379976,1cyclictest506-21systemd-resolve19:55:130
173379975,2cyclictest743-21snmpd22:12:070
173379975,2cyclictest743-21snmpd21:01:460
173459966,0cyclictest743-21snmpd23:15:152
173459966,0cyclictest743-21snmpd20:11:412
173459966,0cyclictest741-21lldpd00:15:372
173459965,1cyclictest522-21avahi-daemon23:26:062
173459965,1cyclictest522-21avahi-daemon00:30:062
173459965,1cyclictest506-21systemd-resolve23:47:232
173459965,1cyclictest27847-21cat23:30:132
173459965,1cyclictest244-20systemd-journal22:55:152
173459965,1cyclictest23672-21cut19:25:132
173459964,2cyclictest14796-21cat00:20:132
173459963,3cyclictest31962-21apt21:05:102
173459963,3cyclictest13970-21df20:20:132
173459962,3cyclictest28155-21load19:35:152
173459962,3cyclictest20011-21df20:35:112
173409966,0cyclictest743-21snmpd23:59:221
173409966,0cyclictest743-21snmpd20:18:071
173409966,0cyclictest741-21lldpd22:47:331
173409966,0cyclictest741-21lldpd22:47:321
173409966,0cyclictest741-21lldpd20:02:111
173409966,0cyclictest741-21lldpd19:36:271
173409966,0cyclictest741-21lldpd19:10:441
173409965,1cyclictest743-21snmpd21:34:291
173409965,1cyclictest741-21lldpd20:36:371
173409965,1cyclictest31766-21gltestperf23:40:151
173409964,2cyclictest743-21snmpd22:11:341
173409964,2cyclictest743-21snmpd21:29:291
173379966,0cyclictest741-21lldpd21:30:330
173379966,0cyclictest741-21lldpd21:25:500
173379966,0cyclictest522-21avahi-daemon23:47:200
173379966,0cyclictest27967-21gltestperf19:35:130
173379966,0cyclictest244-20systemd-journal21:20:170
173379965,1cyclictest743-21snmpd19:43:230
173379965,1cyclictest743-21snmpd00:09:490
173379965,1cyclictest741-21lldpd19:50:250
173379965,1cyclictest522-21avahi-daemon22:54:240
173379965,1cyclictest522-21avahi-daemon19:48:540
173379965,1cyclictest522-21avahi-daemon19:25:260
173379965,1cyclictest27796-21gltestperf23:30:130
173379964,2cyclictest743-21snmpd22:23:340
173379964,2cyclictest743-21snmpd21:51:450
173379964,2cyclictest743-21snmpd00:35:230
173379963,3cyclictest19363-21sed19:15:010
173379963,2cyclictest244-20systemd-journal20:40:510
173459955,0cyclictest741-21lldpd19:42:372
173459954,1cyclictest27209-21cut22:10:122
173459954,1cyclictest17193-21needreboot21:45:162
173459953,2cyclictest743-21snmpd22:52:502
173459953,2cyclictest743-21snmpd22:45:592
173459953,2cyclictest743-21snmpd22:45:582
173459952,3cyclictest7319-21sshd21:24:212
173459952,2cyclictest17465-21seq20:28:412
173459952,2cyclictest17408-21run-parts00:25:212
173459952,2cyclictest1634-21cut19:50:122
173459951,3cyclictest26999-21sed20:50:202
173459951,3cyclictest20365-21ntp_states19:15:182
173459950,5cyclictest557-21NetworkManager22:36:102
173459950,4cyclictest5822-21ntpq23:55:162
173409955,0cyclictest741-21lldpd22:52:591
173409955,0cyclictest741-21lldpd20:22:211
173409955,0cyclictest522-21avahi-daemon19:49:541
173409955,0cyclictest522-21avahi-daemon00:25:441
173409954,1cyclictest743-21snmpd20:07:121
173409953,2cyclictest743-21snmpd23:00:111
173409952,2cyclictest6161-21cat21:20:151
173409952,2cyclictest24150-21ntpq23:20:181
173409952,2cyclictest16672-21sh20:25:181
173409952,2cyclictest15612-21sed00:20:201
173409952,2cyclictest1435-21diskstats19:50:111
173409952,2cyclictest13996-21ntp_kernel_err22:55:181
173409951,3cyclictest31561-21cat19:45:001
173409951,3cyclictest27580-21df_inode23:30:111
173409950,4cyclictest26957-21cat20:50:201
173379955,0cyclictest743-21snmpd00:32:370
173379955,0cyclictest741-21lldpd00:25:110
173379954,1cyclictest743-21snmpd23:10:270
173379954,1cyclictest522-21avahi-daemon21:05:130
173379954,1cyclictest522-21avahi-daemon19:20:140
173379954,1cyclictest13370-21kworker/u16:1-ext4-rsv-conversion00:00:040
173379952,3cyclictest557-21NetworkManager19:15:130
173379952,2cyclictest4029-21ntpq22:30:150
173379952,2cyclictest29146-21dpkg22:15:000
173379951,3cyclictest26587-21netstat20:50:150
173459942,2cyclictest743-21snmpd21:50:122
173459940,4cyclictest31596-21cut23:40:132
173459940,3cyclictest23442-21ntpq22:00:162
173409942,2cyclictest16684-21cut21:45:121
173409942,2cyclictest1292-21sort23:45:121
173409941,3cyclictest557-21NetworkManager21:55:241
173409941,2cyclictest586-21gdbus00:00:041
173409941,2cyclictest575-21rs:main1
173409941,2cyclictest32327-21ld22:20:171
173409941,2cyclictest19937-21basename19:15:141
173409940,4cyclictest25812-21ntpq22:05:171
173409940,4cyclictest1970-21ntpq22:25:181
173409940,3cyclictest31857-21ls21:05:011
173409940,3cyclictest24734-21ntp_states20:45:171
173409940,3cyclictest12553-21fw_forwarded_lo00:15:131
173379944,0cyclictest21431-21cpuspeed_turbos23:15:110
173379942,2cyclictest244-20systemd-journal21:43:130
173379941,2cyclictest9850-21cat22:45:150
173379941,2cyclictest9850-21cat22:45:150
173379941,2cyclictest3469-21sed23:50:120
173379941,2cyclictest23942-21cat23:20:160
173379941,2cyclictest13103-21sed20:15:210
173379941,2cyclictest12526-21dpkg21:35:110
173379940,3cyclictest1340-21diskstats22:25:130
173379930,3cyclictest3599-21apt-get21:15:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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