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2026-04-18 - 16:25

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 18, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9985991919,0cyclictest65850irq/126-lan12:23:553
9985991918,1cyclictest65850irq/126-lan10:55:163
9985991918,1cyclictest65850irq/126-lan10:40:003
9980991919,0cyclictest16280-21fwupd08:44:222
9985991818,0cyclictest65850irq/126-lan11:41:023
9985991818,0cyclictest65850irq/126-lan11:05:583
9985991818,0cyclictest65850irq/126-lan08:23:543
9985991817,1cyclictest65850irq/126-lan11:35:203
9985991817,1cyclictest65850irq/126-lan09:35:163
9985991817,1cyclictest65850irq/126-lan08:05:333
9985991817,1cyclictest65850irq/126-lan08:04:213
9985991817,1cyclictest65850irq/126-lan07:25:153
9985991717,0cyclictest743-21snmpd11:30:183
9985991717,0cyclictest743-21snmpd10:00:473
9985991717,0cyclictest743-21snmpd09:26:293
9985991717,0cyclictest65850irq/126-lan11:55:143
9985991717,0cyclictest65850irq/126-lan11:50:203
9985991717,0cyclictest65850irq/126-lan09:50:193
9985991717,0cyclictest65850irq/126-lan09:30:323
9985991717,0cyclictest65850irq/126-lan09:23:023
9985991717,0cyclictest65850irq/126-lan09:10:183
9985991717,0cyclictest65850irq/126-lan08:50:123
9985991717,0cyclictest1866-21cat12:05:153
9985991716,1cyclictest65850irq/126-lan11:15:463
9985991616,0cyclictest743-21snmpd10:21:403
9985991616,0cyclictest743-21snmpd07:41:013
9985991616,0cyclictest65850irq/126-lan12:35:183
9985991616,0cyclictest65850irq/126-lan10:08:073
9985991616,0cyclictest65850irq/126-lan09:45:063
9985991616,0cyclictest65850irq/126-lan09:05:093
9985991616,0cyclictest65850irq/126-lan08:55:203
9985991616,0cyclictest65850irq/126-lan08:26:183
9985991615,1cyclictest65850irq/126-lan11:13:463
9985991615,1cyclictest65850irq/126-lan09:16:113
9985991615,1cyclictest65850irq/126-lan07:56:303
9985991615,1cyclictest65850irq/126-lan07:20:003
9985991515,0cyclictest65850irq/126-lan12:30:493
9985991515,0cyclictest65850irq/126-lan12:25:153
9985991515,0cyclictest65850irq/126-lan11:20:413
9985991515,0cyclictest65850irq/126-lan11:04:473
9985991515,0cyclictest65850irq/126-lan10:45:153
9985991515,0cyclictest65850irq/126-lan08:45:193
9985991515,0cyclictest65850irq/126-lan08:35:323
9985991515,0cyclictest65850irq/126-lan08:30:083
9985991515,0cyclictest65850irq/126-lan08:15:153
9985991515,0cyclictest65850irq/126-lan08:14:473
9985991515,0cyclictest65850irq/126-lan07:45:193
9985991514,1cyclictest65850irq/126-lan11:45:183
9985991514,1cyclictest65850irq/126-lan10:30:523
9985991514,1cyclictest65850irq/126-lan10:10:183
9985991414,0cyclictest65850irq/126-lan10:25:203
9985991414,0cyclictest65850irq/126-lan09:40:183
9985991414,0cyclictest65850irq/126-lan09:00:023
9985991414,0cyclictest65850irq/126-lan08:40:123
9985991414,0cyclictest65850irq/126-lan07:50:223
9985991414,0cyclictest65850irq/126-lan07:12:333
9985991413,1cyclictest65850irq/126-lan07:30:183
9985991413,1cyclictest65850irq/126-lan07:30:173
9985991313,0cyclictest65850irq/126-lan12:10:123
9985991313,0cyclictest65850irq/126-lan09:55:123
9985991313,0cyclictest65850irq/126-lan07:35:113
9985991312,1cyclictest65850irq/126-lan10:50:493
9985991312,1cyclictest65850irq/126-lan07:22:533
9970991313,0cyclictest743-21snmpd07:45:080
9985991212,0cyclictest65850irq/126-lan12:01:553
9985991212,0cyclictest65850irq/126-lan10:40:153
9985991211,1cyclictest65850irq/126-lan12:15:183
9970991212,0cyclictest743-21snmpd11:51:520
9970991212,0cyclictest743-21snmpd08:06:270
9985991111,0cyclictest65850irq/126-lan11:25:133
998099108,2cyclictest743-21snmpd10:40:472
9970991010,0cyclictest743-21snmpd09:52:530
9970991010,0cyclictest743-21snmpd08:54:520
99859999,0cyclictest65850irq/126-lan10:15:133
99809998,1cyclictest741-21lldpd12:10:272
99809995,3cyclictest6576-21turbostat09:44:552
99809991,5cyclictest14496-21seq09:58:202
99809990,3cyclictest27134-21chrt11:45:292
99809990,2cyclictest13594-21taskset12:33:422
99729998,1cyclictest743-21snmpd12:09:141
99709999,0cyclictest17049-21cat08:45:140
99709999,0cyclictest14406-21cat12:35:150
99709998,1cyclictest743-21snmpd11:46:550
99709998,1cyclictest743-21snmpd07:53:260
99709996,3cyclictest743-21snmpd12:07:050
99709996,3cyclictest743-21snmpd08:25:120
99809988,0cyclictest743-21snmpd12:37:392
99809988,0cyclictest741-21lldpd12:08:062
99809988,0cyclictest741-21lldpd09:31:292
99809988,0cyclictest741-21lldpd07:56:022
99809988,0cyclictest741-21lldpd07:20:242
99809987,1cyclictest741-21lldpd10:47:172
99809987,1cyclictest522-21avahi-daemon10:25:592
99809986,2cyclictest743-21snmpd10:03:532
99809986,2cyclictest743-21snmpd07:39:142
99809985,3cyclictest743-21snmpd09:49:292
99809985,3cyclictest6861-21gltestperf08:20:122
99809982,5cyclictest22919-21sed10:19:592
99809982,5cyclictest10458-21cat08:30:002
99809981,6cyclictest10727-21memory07:10:142
99809981,4cyclictest59062sleep208:16:112
99809981,4cyclictest4034-21chrt08:12:582
99809980,4cyclictest23837-21ntp_states10:20:152
99809980,3cyclictest14054-21ntp_states11:15:182
99809980,2cyclictest30247-21chrt09:17:262
99809980,2cyclictest28422-21chrt09:14:552
99809980,2cyclictest18377-21grep11:25:212
99729988,0cyclictest743-21snmpd09:10:551
99729988,0cyclictest741-21lldpd11:01:171
99729988,0cyclictest741-21lldpd08:05:471
99729987,1cyclictest743-21snmpd12:22:411
99729987,1cyclictest743-21snmpd10:14:221
99729987,1cyclictest743-21snmpd08:34:171
99729986,2cyclictest743-21snmpd08:36:041
99709988,0cyclictest743-21snmpd12:22:560
99709988,0cyclictest743-21snmpd10:29:430
99709988,0cyclictest743-21snmpd08:13:450
99709988,0cyclictest743-21snmpd07:35:350
99709988,0cyclictest741-21lldpd12:31:240
99709988,0cyclictest741-21lldpd12:00:360
99709988,0cyclictest741-21lldpd10:49:070
99709988,0cyclictest741-21lldpd09:49:020
99709987,1cyclictest743-21snmpd11:57:540
99709987,1cyclictest743-21snmpd08:15:440
99709987,1cyclictest741-21lldpd09:00:580
99709986,2cyclictest743-21snmpd12:19:080
99709986,2cyclictest743-21snmpd12:10:040
99709986,2cyclictest743-21snmpd11:01:320
99709986,2cyclictest743-21snmpd09:11:040
99709986,2cyclictest25114-21cat09:05:150
99809977,0cyclictest743-21snmpd11:07:162
99809976,1cyclictest741-21lldpd10:50:382
99809975,2cyclictest743-21snmpd12:02:312
99809975,2cyclictest743-21snmpd10:32:252
99809974,3cyclictest743-21snmpd08:45:272
99809974,3cyclictest743-21snmpd08:38:492
99809973,4cyclictest19543-21smartctl07:30:202
99809973,4cyclictest19543-21smartctl07:30:192
99809972,5cyclictest557-21NetworkManager07:45:342
99809971,3cyclictest12008-21cat09:50:232
99809971,2cyclictest5730-21sort12:15:132
99809971,2cyclictest24838-21expr09:05:132
99809970,4cyclictest8761-21ntp_states12:20:172
99809970,4cyclictest24504-21ntpq11:40:162
99809970,4cyclictest23061-21fw_conntrack07:40:132
99809970,4cyclictest18786-21df08:50:122
99809970,3cyclictest8041-21ntpq11:00:172
99809970,3cyclictest5303-21/usr/sbin/munin10:55:132
99809970,3cyclictest31961-21sed08:00:212
99809970,3cyclictest31203-21irqstats09:20:162
99809970,3cyclictest29380-21seq11:53:232
99809970,3cyclictest23061-21hddtemp_smartct09:00:142
99809970,3cyclictest21719-21apt-get11:35:112
99809970,3cyclictest17510-21ntp_states07:25:192
99809970,3cyclictest17136-21cut10:05:112
99809970,3cyclictest12632-21/usr/sbin/munin07:15:142
99809970,3cyclictest12458-21sed11:10:202
99809970,3cyclictest1207-21ntpq08:05:182
99809970,3cyclictest10190-21grep12:25:122
99809970,2cyclictest11665-21wc08:30:212
99729977,0cyclictest743-21snmpd11:36:211
99729977,0cyclictest743-21snmpd10:45:441
99729977,0cyclictest743-21snmpd10:41:231
99729977,0cyclictest743-21snmpd10:31:431
99729977,0cyclictest743-21snmpd09:55:091
99729977,0cyclictest741-21lldpd12:27:071
99729977,0cyclictest741-21lldpd11:33:071
99729977,0cyclictest741-21lldpd09:39:521
99729977,0cyclictest741-21lldpd09:25:551
99729977,0cyclictest741-21lldpd07:56:401
99729977,0cyclictest741-21lldpd07:30:181
99729977,0cyclictest741-21lldpd07:30:171
99729976,1cyclictest743-21snmpd10:53:011
99729976,1cyclictest743-21snmpd08:02:261
99729975,2cyclictest743-21snmpd10:35:031
99729975,2cyclictest743-21snmpd10:23:001
99729975,2cyclictest743-21snmpd08:28:321
99709977,0cyclictest743-21snmpd11:21:000
99709977,0cyclictest743-21snmpd11:15:570
99709977,0cyclictest743-21snmpd11:06:230
99709977,0cyclictest743-21snmpd10:58:050
99709977,0cyclictest743-21snmpd10:35:150
99709977,0cyclictest743-21snmpd10:01:420
99709977,0cyclictest743-21snmpd09:59:420
99709977,0cyclictest743-21snmpd09:27:560
99709977,0cyclictest743-21snmpd09:19:010
99709977,0cyclictest743-21snmpd08:00:020
99709977,0cyclictest743-21snmpd07:15:150
99709977,0cyclictest743-21snmpd07:11:040
99709977,0cyclictest741-21lldpd08:21:570
99709977,0cyclictest522-21avahi-daemon08:31:290
99709976,1cyclictest19311-21grep10:10:130
99709976,1cyclictest0-21swapper/008:35:180
99709975,2cyclictest743-21snmpd11:44:330
99709975,2cyclictest743-21snmpd08:42:160
99809960,3cyclictest549-21dpkg09:25:002
99809960,3cyclictest30079-21fw_packets11:55:132
99809960,3cyclictest29622-21df10:35:122
99809960,3cyclictest27176-21hddtemp_smartct07:50:152
99809960,3cyclictest20801-21df_inode08:55:132
99809960,3cyclictest19651-21ntp_192.168.11410:10:152
99809960,3cyclictest19368-21tr11:30:092
99809960,3cyclictest15425-21diskstats11:20:112
99809960,2cyclictest4979-21df09:35:132
99729966,0cyclictest743-21snmpd10:59:111
99729966,0cyclictest743-21snmpd09:47:441
99729966,0cyclictest743-21snmpd09:24:261
99729966,0cyclictest741-21lldpd11:25:531
99729966,0cyclictest741-21lldpd07:42:171
99729966,0cyclictest741-21lldpd07:22:141
99729965,1cyclictest522-21avahi-daemon12:17:531
99729965,1cyclictest25738-21/usr/sbin/munin11:45:181
99729965,1cyclictest18925-21gltestperf08:50:141
99729965,1cyclictest17088-21cat07:25:161
99729964,2cyclictest743-21snmpd12:13:011
99729964,2cyclictest743-21snmpd09:02:061
99729964,2cyclictest743-21snmpd07:15:571
99729964,2cyclictest743-21snmpd07:11:161
99729964,2cyclictest28202-21cat11:50:141
99729963,3cyclictest21197-21memory08:55:161
99729963,2cyclictest10584-21sshd11:05:391
99729962,4cyclictest557-21NetworkManager10:05:311
99729962,4cyclictest557-21NetworkManager09:50:031
99709966,0cyclictest743-21snmpd12:29:050
99709966,0cyclictest743-21snmpd10:52:190
99709966,0cyclictest743-21snmpd10:20:180
99709966,0cyclictest743-21snmpd09:38:220
99709966,0cyclictest743-21snmpd07:43:190
99709966,0cyclictest743-21snmpd07:27:080
99709966,0cyclictest522-21avahi-daemon08:59:500
99709966,0cyclictest19725-21cat11:30:120
99709966,0cyclictest15075-21cat07:20:150
99709965,1cyclictest506-21systemd-resolve07:32:000
99709965,1cyclictest506-21systemd-resolve07:32:000
99709964,2cyclictest743-21snmpd10:16:040
99709962,3cyclictest3260-21irqstats09:30:140
99729955,0cyclictest743-21snmpd10:28:401
99729955,0cyclictest741-21lldpd07:39:461
99729954,1cyclictest743-21snmpd08:20:241
99729953,2cyclictest743-21snmpd07:46:051
99729952,3cyclictest557-21NetworkManager11:55:561
99729952,2cyclictest7559-21ntpq09:40:161
99729952,2cyclictest5924-21seq08:16:241
99729952,2cyclictest28343-21seq07:52:471
99729952,2cyclictest25070-21hddtemp_smartct09:05:151
99729952,2cyclictest15931-21find10:00:181
99729951,3cyclictest3655-21ntp_states09:30:161
99729951,3cyclictest17473-21ntp_states08:45:171
99729951,3cyclictest12521-21memory12:30:151
99729950,3cyclictest16358-21apt08:45:001
99709955,0cyclictest741-21lldpd10:05:070
99709955,0cyclictest522-21avahi-daemon09:22:300
99709954,1cyclictest29579-21ntp_kernel_pll_07:55:150
99709952,2cyclictest18019-21ntp_kernel_pll_11:25:150
99709950,5cyclictest12065-21ntpq11:10:160
99729944,0cyclictest0-21swapper/112:35:121
99729942,2cyclictest743-21snmpd11:40:001
99729942,2cyclictest22456-21sshd10:16:551
99729941,2cyclictest32580-21ldconfig12:00:161
99729941,2cyclictest2775-21expr08:10:131
99729941,2cyclictest15787-21cat11:20:141
99729941,2cyclictest13272-21cpuspeed_turbos11:15:121
99729941,2cyclictest11919-21ld11:10:161
99729940,3cyclictest29507-21ntpq09:15:171
99709943,1cyclictest171ktimers/010:30:120
99709942,2cyclictest557-21NetworkManager10:40:040
99709941,2cyclictest7137-21tune2fs09:40:130
99709940,4cyclictest22480-21ntpq11:35:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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