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2026-05-17 - 20:06

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 Sun May 17, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25819993030,0cyclictest27529-21fwupd12:28:120
25835991818,0cyclictest65850irq/126-lan08:35:133
25835991818,0cyclictest65850irq/126-lan07:21:323
25835991817,1cyclictest65850irq/126-lan11:40:163
25835991817,1cyclictest65850irq/126-lan09:27:193
25835991817,1cyclictest65850irq/126-lan08:59:223
25835991817,1cyclictest65850irq/126-lan07:40:203
25835991717,0cyclictest65850irq/126-lan09:05:173
25835991717,0cyclictest65850irq/126-lan09:00:143
25835991717,0cyclictest65850irq/126-lan08:20:213
25835991716,1cyclictest65850irq/126-lan12:30:143
25835991716,1cyclictest65850irq/126-lan12:10:123
25835991716,1cyclictest65850irq/126-lan10:55:183
25835991716,1cyclictest65850irq/126-lan10:43:063
25835991716,1cyclictest65850irq/126-lan10:05:113
25835991716,1cyclictest65850irq/126-lan10:00:143
25835991716,1cyclictest65850irq/126-lan09:45:123
25835991716,1cyclictest65850irq/126-lan09:15:173
25835991616,0cyclictest65850irq/126-lan08:45:183
25835991616,0cyclictest65850irq/126-lan08:00:213
25835991616,0cyclictest65850irq/126-lan07:50:123
25835991616,0cyclictest65850irq/126-lan07:45:423
25835991616,0cyclictest65850irq/126-lan07:35:103
25835991615,1cyclictest65850irq/126-lan12:05:133
25835991615,1cyclictest65850irq/126-lan09:30:163
25835991615,1cyclictest65850irq/126-lan08:50:193
25835991615,1cyclictest65850irq/126-lan08:15:183
25835991615,1cyclictest65850irq/126-lan08:10:193
25835991615,1cyclictest65850irq/126-lan07:55:123
25835991615,1cyclictest65850irq/126-lan07:15:203
25835991515,0cyclictest65850irq/126-lan11:50:153
25835991515,0cyclictest65850irq/126-lan10:50:163
25835991515,0cyclictest65850irq/126-lan10:35:113
25835991515,0cyclictest65850irq/126-lan10:30:113
25835991515,0cyclictest65850irq/126-lan08:25:193
25835991515,0cyclictest65850irq/126-lan07:10:163
25835991514,1cyclictest65850irq/126-lan09:40:193
25835991414,0cyclictest65850irq/126-lan12:39:223
25835991414,0cyclictest65850irq/126-lan12:15:173
25835991414,0cyclictest65850irq/126-lan09:13:313
25835991413,1cyclictest65850irq/126-lan11:20:213
25835991413,1cyclictest65850irq/126-lan11:15:183
25835991413,1cyclictest65850irq/126-lan08:30:173
25835991413,1cyclictest65850irq/126-lan07:28:013
25835991313,0cyclictest65850irq/126-lan12:20:183
25835991313,0cyclictest65850irq/126-lan12:04:033
25835991313,0cyclictest65850irq/126-lan11:55:563
25835991313,0cyclictest65850irq/126-lan11:10:563
25835991313,0cyclictest65850irq/126-lan10:15:173
25835991312,1cyclictest65850irq/126-lan09:55:163
25835991312,1cyclictest65850irq/126-lan09:55:163
25835991312,1cyclictest65850irq/126-lan09:20:123
25835991312,1cyclictest65850irq/126-lan08:05:133
25835991212,0cyclictest65850irq/126-lan10:25:113
25835991212,0cyclictest65850irq/126-lan10:20:123
25835991211,1cyclictest65850irq/126-lan11:35:123
25835991211,1cyclictest65850irq/126-lan11:29:593
25835991211,1cyclictest65850irq/126-lan11:04:563
25835991111,0cyclictest65850irq/126-lan11:30:173
2583599109,1cyclictest65850irq/126-lan10:45:123
25835991010,0cyclictest65850irq/126-lan09:50:213
258359999,0cyclictest65850irq/126-lan09:35:563
258359998,1cyclictest65850irq/126-lan12:25:163
258309998,1cyclictest743-21snmpd10:05:312
258309998,1cyclictest743-21snmpd07:32:182
258259998,1cyclictest743-21snmpd09:08:391
258359988,0cyclictest741-21lldpd11:45:273
258359988,0cyclictest741-21lldpd11:09:043
258309988,0cyclictest743-21snmpd10:43:452
258309988,0cyclictest743-21snmpd08:57:132
258309988,0cyclictest743-21snmpd07:28:472
258309988,0cyclictest741-21lldpd12:08:452
258309988,0cyclictest741-21lldpd11:14:262
258309988,0cyclictest741-21lldpd10:20:572
258309987,1cyclictest743-21snmpd11:25:372
258309987,1cyclictest743-21snmpd09:33:192
258309987,1cyclictest743-21snmpd08:03:402
258309987,1cyclictest741-21lldpd11:15:002
258309987,1cyclictest741-21lldpd09:01:512
258309987,1cyclictest741-21lldpd08:26:122
258309987,1cyclictest573-21in:imuxsock09:57:582
258309987,1cyclictest573-21in:imuxsock09:57:582
258309986,2cyclictest743-21snmpd12:14:442
258309986,2cyclictest743-21snmpd10:47:302
258309983,5cyclictest557-21NetworkManager08:45:122
258259988,0cyclictest743-21snmpd08:48:381
258259988,0cyclictest741-21lldpd11:44:311
258259988,0cyclictest741-21lldpd11:12:001
258259987,1cyclictest743-21snmpd10:55:331
258259986,2cyclictest743-21snmpd12:31:361
258259986,2cyclictest743-21snmpd08:14:481
258259986,2cyclictest743-21snmpd08:02:071
258199988,0cyclictest741-21lldpd12:22:010
258199988,0cyclictest741-21lldpd11:14:360
258199988,0cyclictest741-21lldpd10:17:210
258199988,0cyclictest741-21lldpd08:09:420
258199987,1cyclictest741-21lldpd07:42:310
258199986,2cyclictest743-21snmpd07:11:110
258199986,2cyclictest12642-21cat09:15:150
258359977,0cyclictest65850irq/126-lan10:10:223
258359977,0cyclictest65850irq/126-lan07:30:153
258309977,0cyclictest743-21snmpd12:00:262
258309977,0cyclictest743-21snmpd11:02:482
258309977,0cyclictest741-21lldpd11:47:552
258309977,0cyclictest741-21lldpd10:11:432
258309977,0cyclictest741-21lldpd08:10:452
258309977,0cyclictest741-21lldpd07:59:202
258309976,1cyclictest743-21snmpd11:50:342
258309976,1cyclictest743-21snmpd07:14:592
258309976,1cyclictest573-21in:imuxsock07:46:392
258309976,1cyclictest25906-21ntp_kernel_pll_11:05:172
258309976,1cyclictest10031-21fschecks_count07:50:122
258309975,2cyclictest743-21snmpd12:23:262
258309975,2cyclictest743-21snmpd09:48:372
258309975,2cyclictest743-21snmpd09:23:392
258309975,2cyclictest743-21snmpd09:18:572
258309975,2cyclictest743-21snmpd07:35:082
258259977,0cyclictest743-21snmpd07:26:351
258259977,0cyclictest743-21snmpd07:22:341
258259977,0cyclictest741-21lldpd12:06:211
258259977,0cyclictest741-21lldpd11:05:241
258259977,0cyclictest741-21lldpd10:04:251
258259977,0cyclictest741-21lldpd09:58:571
258259977,0cyclictest741-21lldpd09:58:561
258259977,0cyclictest741-21lldpd08:05:381
258259977,0cyclictest741-21lldpd07:17:081
258259977,0cyclictest25813-21cyclictest11:30:001
258259977,0cyclictest244-20systemd-journal08:35:241
258259976,1cyclictest743-21snmpd12:37:331
258259976,1cyclictest743-21snmpd11:57:321
258259976,1cyclictest743-21snmpd09:48:551
258259976,1cyclictest743-21snmpd09:28:571
258259976,1cyclictest741-21lldpd09:51:591
258259976,1cyclictest5874-21cpuspeed_turbos07:40:141
258259976,1cyclictest522-21avahi-daemon09:10:561
258259976,1cyclictest10109-21gltestperf11:45:131
258259975,2cyclictest743-21snmpd12:03:021
258259975,2cyclictest743-21snmpd11:38:311
258259975,2cyclictest743-21snmpd10:39:171
258259975,2cyclictest743-21snmpd10:31:321
258259975,2cyclictest743-21snmpd09:41:191
258259975,2cyclictest743-21snmpd09:37:071
258259975,2cyclictest743-21snmpd07:48:241
258259974,3cyclictest743-21snmpd11:32:401
258199977,0cyclictest743-21snmpd12:10:560
258199977,0cyclictest743-21snmpd10:51:270
258199977,0cyclictest743-21snmpd10:27:460
258199977,0cyclictest743-21snmpd10:10:520
258199977,0cyclictest743-21snmpd09:57:070
258199977,0cyclictest743-21snmpd09:57:060
258199977,0cyclictest743-21snmpd08:51:170
258199977,0cyclictest741-21lldpd11:37:420
258199977,0cyclictest741-21lldpd11:05:420
258199977,0cyclictest741-21lldpd09:20:020
258199977,0cyclictest741-21lldpd09:04:150
258199977,0cyclictest741-21lldpd08:04:280
258199976,1cyclictest506-21systemd-resolve08:30:180
258199976,1cyclictest24846-21nvmesmart_nvme008:25:180
258199975,2cyclictest743-21snmpd12:38:150
258199975,2cyclictest743-21snmpd12:19:080
258199975,2cyclictest743-21snmpd10:39:110
258199975,2cyclictest743-21snmpd09:35:040
258199972,4cyclictest244-20systemd-journal07:48:290
258359965,1cyclictest65850irq/126-lan08:40:133
258309966,0cyclictest743-21snmpd12:17:562
258309966,0cyclictest741-21lldpd11:41:412
258309966,0cyclictest741-21lldpd10:51:242
258309966,0cyclictest741-21lldpd09:26:192
258309966,0cyclictest522-21avahi-daemon08:50:242
258309965,1cyclictest743-21snmpd12:36:062
258309965,1cyclictest743-21snmpd12:34:212
258309965,1cyclictest743-21snmpd10:03:192
258309965,1cyclictest743-21snmpd08:31:562
258309965,1cyclictest743-21snmpd08:15:462
258309965,1cyclictest522-21avahi-daemon10:26:002
258309965,1cyclictest522-21avahi-daemon09:52:502
258309964,2cyclictest743-21snmpd11:36:132
258309964,2cyclictest743-21snmpd08:40:282
258309964,2cyclictest28357-21head07:15:152
258309963,3cyclictest22220-21perl08:20:132
258309962,4cyclictest557-21NetworkManager07:20:242
258309962,3cyclictest5577-21awk10:15:202
258259966,0cyclictest743-21snmpd12:25:561
258259966,0cyclictest741-21lldpd10:08:591
258259966,0cyclictest741-21lldpd07:30:081
258259965,1cyclictest741-21lldpd12:19:431
258259965,1cyclictest6586-21cpuspeed_turbos10:20:121
258259965,1cyclictest506-21systemd-resolve11:01:471
258259964,2cyclictest743-21snmpd10:12:191
258259962,3cyclictest30464-21apt-get08:40:091
258259962,3cyclictest14653-21sort10:40:121
258259961,4cyclictest14233-21apt-get09:20:101
258199966,0cyclictest741-21lldpd11:59:330
258199966,0cyclictest741-21lldpd11:31:040
258199966,0cyclictest741-21lldpd11:29:400
258199966,0cyclictest741-21lldpd08:41:190
258199966,0cyclictest741-21lldpd07:52:060
258199964,2cyclictest743-21snmpd10:47:420
258199964,2cyclictest743-21snmpd10:22:170
258199964,2cyclictest743-21snmpd08:14:240
258199963,3cyclictest31221-21apt-get11:20:130
258309955,0cyclictest741-21lldpd12:27:032
258309955,0cyclictest741-21lldpd09:07:532
258309955,0cyclictest741-21lldpd08:06:182
258309953,2cyclictest6562-21ntpq07:40:192
258309953,2cyclictest575-21rs:main2
258309952,3cyclictest557-21NetworkManager11:55:182
258309952,2cyclictest575-21rs:main2
258309952,2cyclictest11107-21wc10:30:152
258309951,3cyclictest23173-21ntpq09:40:192
258309950,5cyclictest3405-21sed11:30:002
258259955,0cyclictest741-21lldpd08:32:191
258259955,0cyclictest741-21lldpd08:20:191
258259954,1cyclictest741-21lldpd08:59:161
258259954,1cyclictest3783-21cpuspeed_turbos07:35:111
258259954,1cyclictest0-21swapper/110:50:011
258259953,2cyclictest743-21snmpd11:23:101
258259952,3cyclictest557-21NetworkManager07:51:171
258259952,2cyclictest2745-21cut08:50:151
258259952,2cyclictest25137-21cat08:25:201
258259952,2cyclictest18951-21gpgv10:50:011
258259951,4cyclictest557-21NetworkManager09:00:541
258259951,3cyclictest29478-21fw_forwarded_lo11:15:141
258259950,5cyclictest25666-21turbostat12:25:001
258199955,0cyclictest743-21snmpd10:00:310
258199955,0cyclictest741-21lldpd10:40:440
258199955,0cyclictest522-21avahi-daemon08:22:040
258199954,1cyclictest743-21snmpd12:00:010
258199954,1cyclictest506-21systemd-resolve07:15:070
258199954,1cyclictest30922-21ntpq07:20:170
258199953,2cyclictest743-21snmpd08:17:550
258199953,2cyclictest557-21NetworkManager10:55:010
258199952,2cyclictest452-21sed10:05:140
258199952,2cyclictest396-21ntpq07:25:170
258199952,2cyclictest30062-21smartctl11:15:190
258199952,2cyclictest25072-21wc11:05:000
258199952,2cyclictest244-20systemd-journal12:30:520
258199952,2cyclictest244-20systemd-journal12:05:240
258199952,2cyclictest16752-21sed09:25:140
258199952,2cyclictest10047-21cut11:45:130
258199951,3cyclictest28723-21cat08:35:120
258199950,4cyclictest4838-21ntpq08:55:170
258309942,2cyclictest28876-21cat08:35:132
258309941,2cyclictest13640-21sed10:35:192
258309941,2cyclictest10163-21cat09:10:092
258309940,3cyclictest31922-21ntp_192.168.11411:20:172
258259944,0cyclictest741-21lldpd10:25:041
258259942,2cyclictest743-21snmpd09:30:031
258259942,2cyclictest743-21snmpd07:10:081
258259941,2cyclictest20128-21cut12:10:131
258259941,2cyclictest12495-21gltestperf09:15:151
258259941,2cyclictest12007-21tune2fs11:50:121
258259940,3cyclictest5511-21/usr/sbin/munin10:15:201
258259940,3cyclictest20143-21fschecks_time08:15:121
258259940,3cyclictest12008-21diskstats07:55:111
258199944,0cyclictest522-21avahi-daemon09:43:160
258199944,0cyclictest0-21swapper/009:05:140
258199942,2cyclictest7807-21awk11:40:120
258199942,2cyclictest12170-21head07:55:120
258199941,2cyclictest3964-21cut07:35:120
258199941,2cyclictest2001-21head07:30:120
258199941,2cyclictest18920-21grep09:30:140
258199941,2cyclictest11853-21cat11:50:110
258199940,4cyclictest830-21ntpq08:45:170
258199940,3cyclictest27175-21ntpq09:50:170
258199940,3cyclictest24619-21fw_conntrack09:45:120
258199940,3cyclictest10473-21fw_conntrack09:10:120
258199930,3cyclictest10541-21apt-get10:30:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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