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2026-04-25 - 15:34

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 25, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3673991917,2cyclictest65850irq/126-lan12:10:123
3673991818,0cyclictest65850irq/126-lan11:35:213
3673991818,0cyclictest65850irq/126-lan09:26:003
3673991818,0cyclictest65850irq/126-lan09:05:233
3673991817,1cyclictest65850irq/126-lan11:45:213
3673991817,1cyclictest65850irq/126-lan11:10:203
3673991817,1cyclictest65850irq/126-lan10:55:123
3673991817,1cyclictest65850irq/126-lan07:55:143
3673991816,2cyclictest65850irq/126-lan11:00:123
3673991815,3cyclictest65850irq/126-lan08:45:183
3673991717,0cyclictest65850irq/126-lan10:05:173
3673991716,1cyclictest65850irq/126-lan10:10:133
3673991716,1cyclictest65850irq/126-lan09:55:473
3673991716,1cyclictest65850irq/126-lan09:10:403
3673991716,1cyclictest65850irq/126-lan08:20:003
3673991715,2cyclictest65850irq/126-lan07:20:173
3673991616,0cyclictest65850irq/126-lan10:50:153
3673991616,0cyclictest65850irq/126-lan10:40:223
3673991616,0cyclictest65850irq/126-lan10:00:183
3673991616,0cyclictest65850irq/126-lan08:55:193
3673991615,1cyclictest65850irq/126-lan12:21:433
3673991615,1cyclictest65850irq/126-lan11:55:123
3673991615,1cyclictest65850irq/126-lan09:40:133
3673991615,1cyclictest65850irq/126-lan09:00:173
3673991615,1cyclictest65850irq/126-lan07:45:173
3673991615,1cyclictest65850irq/126-lan07:44:433
3673991615,1cyclictest65850irq/126-lan07:30:213
3673991615,1cyclictest65850irq/126-lan07:25:163
3673991614,2cyclictest65850irq/126-lan12:30:163
3673991614,2cyclictest65850irq/126-lan11:40:123
3673991614,2cyclictest65850irq/126-lan09:30:183
3673991614,2cyclictest65850irq/126-lan09:15:203
3673991613,3cyclictest65850irq/126-lan07:10:323
3673991515,0cyclictest65850irq/126-lan12:00:163
3673991515,0cyclictest65850irq/126-lan11:30:153
3673991515,0cyclictest65850irq/126-lan09:50:453
3673991515,0cyclictest65850irq/126-lan09:20:133
3673991514,1cyclictest65850irq/126-lan12:35:153
3673991514,1cyclictest65850irq/126-lan10:45:123
3673991514,1cyclictest65850irq/126-lan10:20:113
3673991514,1cyclictest65850irq/126-lan08:40:153
3673991514,1cyclictest65850irq/126-lan08:30:133
3673991514,1cyclictest65850irq/126-lan08:20:173
3673991514,1cyclictest65850irq/126-lan07:35:013
3673991414,0cyclictest65850irq/126-lan08:01:443
3673991414,0cyclictest65850irq/126-lan07:15:173
3673991413,1cyclictest65850irq/126-lan10:30:133
3673991413,1cyclictest65850irq/126-lan08:35:193
3673991413,1cyclictest65850irq/126-lan08:05:193
3673991412,2cyclictest65850irq/126-lan11:05:203
3673991412,2cyclictest65850irq/126-lan08:10:123
3673991313,0cyclictest65850irq/126-lan11:50:583
3673991312,1cyclictest65850irq/126-lan12:05:193
3673991312,1cyclictest65850irq/126-lan11:25:133
3673991312,1cyclictest65850irq/126-lan10:15:143
3673991212,0cyclictest65850irq/126-lan10:35:113
3673991212,0cyclictest65850irq/126-lan08:50:143
3673991210,2cyclictest65850irq/126-lan08:25:193
367399118,3cyclictest743-21snmpd11:21:053
367399109,1cyclictest65850irq/126-lan12:25:163
3673991010,0cyclictest65850irq/126-lan09:45:113
36739999,0cyclictest65850irq/126-lan11:15:173
36739997,2cyclictest65850irq/126-lan12:15:163
36709998,1cyclictest743-21snmpd09:24:112
36709998,1cyclictest743-21snmpd08:48:182
36709998,1cyclictest741-21lldpd08:30:492
36659998,1cyclictest743-21snmpd11:32:451
36659998,1cyclictest743-21snmpd07:53:501
36659995,1cyclictest28057-21ntpq10:45:171
36659995,1cyclictest25097-21ntpq11:55:171
36659991,5cyclictest23320-21ntpq07:55:181
36659991,5cyclictest17295-21ntp_states07:40:161
36659990,6cyclictest6610-21ntpq11:10:181
36659990,6cyclictest25391-21ntpq08:00:181
36619998,1cyclictest743-21snmpd11:55:390
36619998,1cyclictest743-21snmpd08:11:460
36619998,1cyclictest743-21snmpd07:41:420
36619998,1cyclictest741-21lldpd11:05:210
36739988,0cyclictest65850irq/126-lan10:25:183
36739987,1cyclictest65850irq/126-lan07:50:173
36739980,3cyclictest31651-21/usr/sbin/munin09:35:173
36709988,0cyclictest743-21snmpd10:27:282
36709988,0cyclictest743-21snmpd08:56:152
36709988,0cyclictest743-21snmpd08:07:022
36709988,0cyclictest741-21lldpd11:33:302
36709988,0cyclictest741-21lldpd11:20:452
36709988,0cyclictest741-21lldpd09:11:192
36709988,0cyclictest741-21lldpd08:17:412
36709988,0cyclictest741-21lldpd07:49:122
36709988,0cyclictest741-21lldpd07:35:282
36709987,1cyclictest743-21snmpd09:41:142
36709987,1cyclictest743-21snmpd07:50:222
36709987,1cyclictest743-21snmpd07:28:392
36709987,1cyclictest743-21snmpd07:21:512
36659988,0cyclictest743-21snmpd11:42:471
36659988,0cyclictest743-21snmpd11:24:171
36659988,0cyclictest743-21snmpd10:30:541
36659988,0cyclictest743-21snmpd09:12:091
36659988,0cyclictest741-21lldpd12:15:271
36659988,0cyclictest741-21lldpd11:39:251
36659987,1cyclictest743-21snmpd10:13:581
36659987,1cyclictest1195-21fschecks_time09:40:141
36659986,2cyclictest743-21snmpd08:47:271
36659985,0cyclictest191rcu_preempt09:35:171
36659981,4cyclictest17909-21ntpq10:20:161
36659980,5cyclictest24914-21munin-run10:40:001
36659980,5cyclictest13086-21ntpq07:30:161
36619988,0cyclictest743-21snmpd09:47:440
36619988,0cyclictest741-21lldpd10:40:430
36619987,1cyclictest743-21snmpd12:34:280
36619987,1cyclictest743-21snmpd08:18:590
36619987,1cyclictest743-21snmpd07:57:550
36619987,1cyclictest743-21snmpd07:11:290
36619987,1cyclictest741-21lldpd10:19:340
36619987,1cyclictest522-21avahi-daemon08:00:230
36619987,1cyclictest506-21systemd-resolve08:05:180
36619986,2cyclictest743-21snmpd12:11:300
36619986,2cyclictest743-21snmpd09:33:430
36619986,2cyclictest743-21snmpd07:34:030
36619986,2cyclictest743-21snmpd07:20:480
36709977,0cyclictest743-21snmpd11:18:212
36709977,0cyclictest743-21snmpd08:41:052
36709977,0cyclictest741-21lldpd12:30:512
36709977,0cyclictest741-21lldpd11:06:292
36709976,1cyclictest743-21snmpd10:23:362
36709976,1cyclictest743-21snmpd10:04:502
36709976,1cyclictest743-21snmpd07:57:162
36709976,1cyclictest741-21lldpd09:37:182
36709976,1cyclictest18674-21gltestperf11:40:132
36709976,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient11:47:392
36709976,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient10:41:452
36709976,1cyclictest0-21swapper/211:10:152
36709975,2cyclictest743-21snmpd12:28:162
36709975,2cyclictest743-21snmpd10:30:302
36709975,2cyclictest743-21snmpd10:11:422
36659977,0cyclictest743-21snmpd08:32:561
36659977,0cyclictest743-21snmpd08:23:091
36659977,0cyclictest741-21lldpd12:07:231
36659977,0cyclictest741-21lldpd10:06:101
36659977,0cyclictest741-21lldpd09:28:571
36659977,0cyclictest741-21lldpd09:23:431
36659977,0cyclictest741-21lldpd08:57:151
36659976,1cyclictest743-21snmpd11:51:481
36659976,1cyclictest743-21snmpd10:28:221
36659976,1cyclictest743-21snmpd09:53:261
36659975,2cyclictest3652-21cyclictest09:05:141
36659974,1cyclictest32079-21ntpq10:55:161
36659973,3cyclictest1721-21ntp_states11:00:181
36659973,3cyclictest13128-21ntpq08:50:181
36659972,3cyclictest9018-21ntpq11:15:191
36659972,2cyclictest0-21swapper/111:25:161
36659971,4cyclictest27950-21chrt12:03:111
36659971,3cyclictest8788-21ntp_192.168.11412:35:181
36659970,5cyclictest26048-21ntpq10:40:181
36659970,5cyclictest17161-21ntpq09:00:161
36659970,4cyclictest7866-21ntp_states09:55:191
36659970,4cyclictest7069-21ntpq08:35:181
36659970,4cyclictest31107-21ntpq12:10:161
36659970,3cyclictest4893-21latency_hist09:50:001
36619977,0cyclictest743-21snmpd12:39:590
36619977,0cyclictest743-21snmpd11:47:010
36619977,0cyclictest743-21snmpd10:09:170
36619977,0cyclictest743-21snmpd09:07:330
36619977,0cyclictest743-21snmpd07:17:540
36619977,0cyclictest741-21lldpd10:59:230
36619977,0cyclictest741-21lldpd07:38:570
36619976,1cyclictest743-21snmpd09:42:050
36619976,1cyclictest522-21avahi-daemon12:23:220
36619976,1cyclictest522-21avahi-daemon12:16:510
36619976,1cyclictest522-21avahi-daemon08:39:210
36619975,2cyclictest743-21snmpd12:29:490
36619975,2cyclictest743-21snmpd11:50:520
36619975,2cyclictest743-21snmpd11:12:130
36619975,2cyclictest743-21snmpd09:50:140
36619975,2cyclictest743-21snmpd09:13:370
36619975,2cyclictest19560-21cat10:25:150
36709966,0cyclictest741-21lldpd09:55:552
36709966,0cyclictest741-21lldpd09:46:462
36709966,0cyclictest13591-21unixbench-2d07:30:212
36709965,1cyclictest8351-21cut12:35:152
36709965,1cyclictest743-21snmpd11:57:422
36709965,1cyclictest522-21avahi-daemon08:25:302
36709965,1cyclictest2784-21ntpq12:20:162
36709965,1cyclictest22474-21cpuspeed_turbos09:15:122
36709965,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient11:36:392
36709965,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient11:25:402
36709965,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient10:52:432
36709965,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient10:08:472
36709965,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient08:51:552
36709965,1cyclictest12256-21kworker/2:2+events_freezable_pwr_efficient07:13:032
36709965,0cyclictest191rcu_preempt09:54:552
36709964,2cyclictest743-21snmpd09:28:462
36709964,2cyclictest743-21snmpd07:40:092
36709962,2cyclictest7224-21users07:15:232
36709962,2cyclictest43-21ksoftirqd/212:00:172
36709962,2cyclictest22710-21smartctl11:50:152
36709961,3cyclictest43-21ksoftirqd/211:00:162
36659966,0cyclictest741-21lldpd11:07:551
36659965,1cyclictest15379-21gltestperf10:15:141
36659965,0cyclictest191rcu_preempt12:25:161
36659964,1cyclictest191rcu_preempt07:35:161
36659963,1cyclictest191rcu_preempt08:40:131
36659963,1cyclictest191rcu_preempt08:10:131
36659962,2cyclictest3026-21ld08:25:171
36659962,2cyclictest0-21swapper/112:23:441
36659962,2cyclictest0-21swapper/109:30:191
36659962,2cyclictest0-21swapper/107:20:151
36659961,2cyclictest0-21swapper/110:50:151
36659961,1cyclictest19181-21ntpq07:45:171
36659960,4cyclictest6833-21ld12:30:151
36659960,4cyclictest20931-21grep11:45:151
36659960,3cyclictest3859-21apt-get07:10:121
36659960,2cyclictest9827-21ntpq10:00:161
36659960,2cyclictest10946-21missed_timers07:25:161
36659960,1cyclictest30555-21apt-get08:15:111
36619966,0cyclictest743-21snmpd11:27:500
36619966,0cyclictest741-21lldpd10:36:430
36619966,0cyclictest741-21lldpd08:28:190
36619966,0cyclictest522-21avahi-daemon08:58:000
36619965,1cyclictest743-21snmpd09:01:060
36619965,1cyclictest171ktimers/008:50:110
36619964,2cyclictest743-21snmpd08:41:320
36709955,0cyclictest573-21in:imuxsock09:06:352
36709955,0cyclictest411rcuc/208:10:122
36709955,0cyclictest32053-21collect210:55:162
36709954,1cyclictest30239-21users09:30:222
36709952,1cyclictest191rcu_preempt09:00:162
36709951,3cyclictest27306-21expr10:45:112
36709951,2cyclictest191rcu_preempt08:35:182
36709951,1cyclictest0-21swapper/212:15:232
36709950,4cyclictest31164-21ntpq12:10:162
36709950,4cyclictest16162-21switchtime10:15:202
36709950,3cyclictest411rcuc/208:00:172
36709950,2cyclictest43-21ksoftirqd/212:05:152
36709950,2cyclictest23134-21/usr/sbin/munin10:35:152
36659954,0cyclictest191rcu_preempt07:15:021
36659951,3cyclictest22564-21df_inode09:15:121
36659950,3cyclictest26699-21diskstats08:05:141
36619955,0cyclictest743-21snmpd08:48:540
36619955,0cyclictest741-21lldpd09:35:040
36619955,0cyclictest522-21avahi-daemon07:45:070
36619954,1cyclictest741-21lldpd10:31:330
36619954,1cyclictest244-20systemd-journal09:15:160
36619953,2cyclictest743-21snmpd12:02:460
36619953,2cyclictest10653-21cat11:20:160
36619952,3cyclictest557-21NetworkManager11:00:130
36619952,3cyclictest557-21NetworkManager10:51:400
36619952,2cyclictest244-20systemd-journal09:20:420
36619951,3cyclictest32757-21df_inode08:20:150
36619951,3cyclictest29573-21ls12:05:200
36619950,3cyclictest29079-21cat10:50:010
36709942,0cyclictest191rcu_preempt08:20:152
36619944,0cyclictest522-21avahi-daemon09:25:100
36619942,2cyclictest743-21snmpd10:20:090
36619941,2cyclictest9044-21apt-get10:00:110
36619941,2cyclictest7107-21expr09:55:140
36619941,2cyclictest4463-21grep08:30:130
36619941,2cyclictest14569-21gltestperf11:30:130
36619940,4cyclictest9045-21ntpq11:15:200
36619940,4cyclictest11109-21ntpq07:25:170
36619940,3cyclictest20735-21tune2fs07:50:140
36619940,3cyclictest18991-21ntp_192.168.11411:40:150
36619940,3cyclictest17084-21ntpq11:35:170
36619940,3cyclictest13236-21diskstats10:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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