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2026-04-13 - 08:56

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 Mon Apr 13, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20586992121,0cyclictest27075-21fwupd20:41:400
20603991918,1cyclictest65850irq/126-lan22:50:233
20603991818,0cyclictest65850irq/126-lan21:15:203
20603991818,0cyclictest65850irq/126-lan19:32:543
20603991817,1cyclictest65850irq/126-lan22:37:003
20603991817,1cyclictest65850irq/126-lan20:15:213
20603991817,1cyclictest65850irq/126-lan19:40:143
20603991717,0cyclictest65850irq/126-lan19:15:543
20603991716,1cyclictest65850irq/126-lan23:35:183
20603991716,1cyclictest65850irq/126-lan23:25:163
20603991716,1cyclictest65850irq/126-lan23:15:153
20603991716,1cyclictest65850irq/126-lan22:30:153
20603991716,1cyclictest65850irq/126-lan22:00:183
20603991716,1cyclictest65850irq/126-lan21:33:103
20603991716,1cyclictest65850irq/126-lan20:50:153
20603991716,1cyclictest65850irq/126-lan00:10:123
20603991716,1cyclictest65850irq/126-lan00:00:133
20603991616,0cyclictest65850irq/126-lan22:07:013
20603991616,0cyclictest65850irq/126-lan21:20:123
20603991616,0cyclictest65850irq/126-lan19:20:203
20603991615,1cyclictest65850irq/126-lan23:30:133
20603991615,1cyclictest65850irq/126-lan23:20:023
20603991615,1cyclictest65850irq/126-lan23:10:173
20603991615,1cyclictest65850irq/126-lan23:05:143
20603991615,1cyclictest65850irq/126-lan23:00:123
20603991615,1cyclictest65850irq/126-lan21:55:163
20603991615,1cyclictest65850irq/126-lan21:45:143
20603991615,1cyclictest65850irq/126-lan20:30:173
20603991615,1cyclictest65850irq/126-lan20:00:133
20603991615,1cyclictest65850irq/126-lan00:30:143
20603991615,1cyclictest65850irq/126-lan00:20:193
20603991515,0cyclictest65850irq/126-lan23:57:283
20603991515,0cyclictest65850irq/126-lan23:50:123
20603991515,0cyclictest65850irq/126-lan22:10:133
20603991515,0cyclictest65850irq/126-lan19:50:143
20603991515,0cyclictest65850irq/126-lan19:35:133
20603991515,0cyclictest65850irq/126-lan00:05:183
20603991514,1cyclictest65850irq/126-lan23:45:123
20603991514,1cyclictest65850irq/126-lan21:36:293
20603991514,1cyclictest65850irq/126-lan21:25:153
20603991514,1cyclictest65850irq/126-lan21:10:003
20603991514,1cyclictest65850irq/126-lan21:05:153
20603991514,1cyclictest65850irq/126-lan20:58:553
20603991514,1cyclictest65850irq/126-lan20:35:143
20603991514,1cyclictest65850irq/126-lan20:20:183
20603991514,1cyclictest65850irq/126-lan20:05:163
20603991514,1cyclictest65850irq/126-lan00:25:203
20603991414,0cyclictest65850irq/126-lan19:55:123
20603991413,1cyclictest65850irq/126-lan23:40:183
20603991413,1cyclictest65850irq/126-lan22:47:083
20603991413,1cyclictest65850irq/126-lan22:20:173
20603991413,1cyclictest65850irq/126-lan20:25:203
20603991413,1cyclictest65850irq/126-lan20:10:173
20603991313,0cyclictest65850irq/126-lan21:50:213
20603991312,1cyclictest65850irq/126-lan21:40:143
20603991312,1cyclictest65850irq/126-lan21:00:123
20603991312,1cyclictest65850irq/126-lan19:25:123
20603991312,1cyclictest65850irq/126-lan00:35:163
20603991212,0cyclictest65850irq/126-lan22:41:593
20603991212,0cyclictest65850irq/126-lan19:46:183
20603991211,1cyclictest65850irq/126-lan22:25:213
20603991211,1cyclictest65850irq/126-lan20:43:283
20603991211,1cyclictest65850irq/126-lan19:10:163
20603991211,1cyclictest65850irq/126-lan00:15:113
20603991110,1cyclictest65850irq/126-lan22:15:183
20603991110,1cyclictest65850irq/126-lan20:45:133
20603991010,0cyclictest65850irq/126-lan22:55:193
205989998,1cyclictest743-21snmpd00:15:582
205949998,1cyclictest743-21snmpd20:24:211
205949998,1cyclictest21565-21ntp_kernel_pll_19:10:171
205869998,1cyclictest743-21snmpd22:38:000
205869998,1cyclictest743-21snmpd19:40:370
205869998,1cyclictest741-21lldpd20:21:350
205989988,0cyclictest743-21snmpd21:16:552
205989988,0cyclictest741-21lldpd23:25:152
205989988,0cyclictest741-21lldpd21:57:102
205989987,1cyclictest743-21snmpd20:10:352
205989986,2cyclictest743-21snmpd23:00:312
205989986,2cyclictest743-21snmpd22:29:392
205989986,2cyclictest743-21snmpd20:46:272
205989986,2cyclictest743-21snmpd19:43:562
205989985,3cyclictest27295-21cat19:25:132
205949988,0cyclictest743-21snmpd22:49:271
205949988,0cyclictest743-21snmpd21:48:531
205949988,0cyclictest741-21lldpd20:41:351
205949987,1cyclictest743-21snmpd23:03:551
205949986,2cyclictest743-21snmpd19:34:221
205949986,2cyclictest743-21snmpd00:00:301
205869988,0cyclictest741-21lldpd23:41:510
205869988,0cyclictest741-21lldpd23:16:310
205869988,0cyclictest741-21lldpd22:32:290
205869987,1cyclictest743-21snmpd22:41:480
205869987,1cyclictest743-21snmpd21:59:530
205869987,1cyclictest743-21snmpd21:37:160
205869987,1cyclictest743-21snmpd21:11:190
205869987,1cyclictest743-21snmpd20:17:410
205869986,2cyclictest743-21snmpd21:20:460
205989977,0cyclictest743-21snmpd21:20:042
205989977,0cyclictest743-21snmpd20:28:572
205989977,0cyclictest743-21snmpd19:55:142
205989977,0cyclictest743-21snmpd19:35:312
205989977,0cyclictest743-21snmpd19:32:162
205989977,0cyclictest743-21snmpd00:11:492
205989977,0cyclictest743-21snmpd00:05:032
205989977,0cyclictest741-21lldpd22:44:052
205989977,0cyclictest741-21lldpd19:46:422
205989976,1cyclictest743-21snmpd22:58:432
205989976,1cyclictest743-21snmpd22:18:532
205989976,1cyclictest743-21snmpd19:51:442
205989976,1cyclictest743-21snmpd00:21:462
205989976,1cyclictest743-21snmpd00:01:152
205989976,1cyclictest522-21avahi-daemon20:00:272
205989976,1cyclictest12356-21needreboot22:45:152
205989975,2cyclictest743-21snmpd23:39:442
205989975,2cyclictest743-21snmpd20:51:002
205989975,2cyclictest743-21snmpd20:35:242
205989975,2cyclictest743-21snmpd20:15:412
205989975,2cyclictest26304-21cat23:20:142
205989975,2cyclictest25954-21cat22:00:142
205989975,2cyclictest11886-21cat20:05:132
205989973,3cyclictest25461-21ntp_states00:35:182
205949977,0cyclictest743-21snmpd22:50:431
205949977,0cyclictest743-21snmpd22:04:471
205949977,0cyclictest743-21snmpd21:02:581
205949977,0cyclictest743-21snmpd20:32:121
205949977,0cyclictest741-21lldpd22:43:271
205949977,0cyclictest741-21lldpd21:19:501
205949977,0cyclictest741-21lldpd00:20:401
205949976,1cyclictest741-21lldpd23:18:431
205949976,1cyclictest741-21lldpd23:06:271
205949975,2cyclictest743-21snmpd21:08:041
205949973,3cyclictest3836-21cut19:45:191
205949973,3cyclictest25544-21ntpq19:20:151
205949972,5cyclictest557-21NetworkManager20:00:171
205869977,0cyclictest743-21snmpd23:25:030
205869977,0cyclictest743-21snmpd23:04:400
205869977,0cyclictest743-21snmpd22:47:030
205869977,0cyclictest743-21snmpd22:29:030
205869977,0cyclictest743-21snmpd22:07:530
205869977,0cyclictest743-21snmpd19:50:500
205869977,0cyclictest741-21lldpd23:46:480
205869977,0cyclictest741-21lldpd23:21:090
205869977,0cyclictest741-21lldpd22:53:230
205869977,0cyclictest741-21lldpd22:24:430
205869977,0cyclictest741-21lldpd22:10:460
205869977,0cyclictest741-21lldpd22:00:540
205869977,0cyclictest741-21lldpd20:45:350
205869977,0cyclictest741-21lldpd00:11:320
205869976,1cyclictest743-21snmpd23:35:380
205869975,2cyclictest743-21snmpd21:29:100
205869975,2cyclictest743-21snmpd19:58:110
205869975,2cyclictest743-21snmpd19:49:230
205869975,2cyclictest743-21snmpd19:16:010
205869975,2cyclictest743-21snmpd19:11:310
205869975,2cyclictest717-21ntpd23:52:190
205869975,2cyclictest717-21ntpd21:40:010
205869975,2cyclictest717-21ntpd20:30:240
205869975,2cyclictest18588-21cat00:20:150
205989966,0cyclictest743-21snmpd23:40:382
205989966,0cyclictest743-21snmpd23:32:022
205989966,0cyclictest743-21snmpd22:30:482
205989966,0cyclictest743-21snmpd00:29:202
205989966,0cyclictest741-21lldpd23:53:022
205989966,0cyclictest741-21lldpd21:41:282
205989966,0cyclictest522-21avahi-daemon23:57:282
205989965,1cyclictest743-21snmpd22:36:462
205989965,1cyclictest743-21snmpd22:06:502
205989965,1cyclictest743-21snmpd20:20:092
205989965,1cyclictest522-21avahi-daemon19:20:312
205989965,1cyclictest23913-21cpuspeed_turbos23:15:152
205989965,1cyclictest21818-21fschecks_time20:30:142
205989964,2cyclictest743-21snmpd23:13:432
205989964,2cyclictest743-21snmpd21:53:592
205989964,2cyclictest743-21snmpd21:08:132
205989963,2cyclictest244-20systemd-journal19:10:152
205949966,0cyclictest743-21snmpd22:57:071
205949966,0cyclictest743-21snmpd21:13:191
205949966,0cyclictest741-21lldpd23:58:111
205949966,0cyclictest741-21lldpd20:49:391
205949966,0cyclictest741-21lldpd19:15:261
205949966,0cyclictest522-21avahi-daemon23:47:311
205949966,0cyclictest522-21avahi-daemon20:55:281
205949965,1cyclictest743-21snmpd23:25:301
205949965,1cyclictest743-21snmpd21:42:441
205949965,1cyclictest743-21snmpd20:29:361
205949965,1cyclictest7010-21unixbench_singl22:30:211
205949965,1cyclictest29714-21cpuspeed_turbos20:50:141
205949964,2cyclictest743-21snmpd23:11:221
205949964,2cyclictest743-21snmpd22:19:571
205949964,2cyclictest743-21snmpd19:57:291
205949963,3cyclictest21638-21df21:50:131
205949963,3cyclictest13629-21df_inode20:10:121
205869966,0cyclictest743-21snmpd23:34:440
205869966,0cyclictest743-21snmpd20:53:540
205869966,0cyclictest741-21lldpd23:57:080
205869966,0cyclictest741-21lldpd21:51:580
205869966,0cyclictest741-21lldpd00:28:580
205869966,0cyclictest573-21in:imuxsock23:09:540
205869966,0cyclictest522-21avahi-daemon20:39:460
205869965,1cyclictest743-21snmpd23:13:560
205869965,1cyclictest743-21snmpd21:18:100
205869965,1cyclictest743-21snmpd20:29:420
205869965,1cyclictest743-21snmpd19:26:220
205869965,1cyclictest743-21snmpd00:19:070
205869965,1cyclictest741-21lldpd21:02:170
205869965,1cyclictest717-21ntpd20:10:010
205869965,1cyclictest522-21avahi-daemon21:07:120
205869965,1cyclictest10314-21fschecks_time00:00:130
205989955,0cyclictest743-21snmpd20:57:072
205989955,0cyclictest741-21lldpd21:04:412
205989955,0cyclictest19845-21gltestperf21:45:132
205989954,1cyclictest743-21snmpd00:33:222
205989953,2cyclictest743-21snmpd23:47:212
205989953,2cyclictest743-21snmpd22:23:372
205989953,2cyclictest743-21snmpd19:16:312
205989953,2cyclictest11821-21cat21:25:142
205989952,3cyclictest14891-21sshd21:31:552
205989952,2cyclictest20552-21gcc23:05:172
205989951,2cyclictest17284-21cat21:40:002
205989950,3cyclictest27367-21apt20:45:002
205949955,0cyclictest741-21lldpd21:33:401
205949955,0cyclictest741-21lldpd00:30:141
205949954,1cyclictest2644-21needreboot23:40:171
205949954,1cyclictest0-21swapper/120:05:131
205949952,3cyclictest557-21NetworkManager00:35:311
205949952,3cyclictest557-21NetworkManager00:28:161
205949952,3cyclictest16944-21ntpq00:15:161
205949952,2cyclictest5836-21ntpq19:50:181
205949952,2cyclictest575-21rs:main1
205949952,2cyclictest32111-21ls23:35:001
205949952,2cyclictest28345-21collect222:05:181
205949952,2cyclictest25118-21seq20:37:391
205949952,2cyclictest244-20systemd-journal22:25:061
205869955,0cyclictest522-21avahi-daemon20:08:200
205869954,1cyclictest741-21lldpd19:36:220
205869953,2cyclictest717-21ntpd21:33:490
205869953,2cyclictest24627-21apt-get00:35:120
205869952,3cyclictest12930-21ntp_states00:05:170
205869952,2cyclictest244-20systemd-journal22:58:210
205989941,3cyclictest5486-21diskstats21:10:122
205989941,2cyclictest30375-21idleruntime22:10:142
205989940,3cyclictest13912-21/usr/sbin/munin22:50:142
205949943,1cyclictest573-21in:imuxsock21:20:151
205949942,2cyclictest743-21snmpd22:35:091
205949942,2cyclictest27277-21cat19:25:131
205949942,2cyclictest15006-21pluginstate00:10:181
205949941,3cyclictest557-21NetworkManager23:35:131
205949941,3cyclictest15754-21cut20:15:131
205949941,2cyclictest6671-21uname23:50:161
205949941,2cyclictest617-21cron19:40:001
205949941,2cyclictest30682-21sh22:10:161
205949941,2cyclictest12171-21ntpq21:25:161
205949940,4cyclictest26166-21fw_conntrack23:20:131
205949940,3cyclictest31595-21fw_forwarded_lo19:35:121
205949940,3cyclictest24347-21ntp_states21:55:171
205949940,3cyclictest1805-21df_inode22:20:141
205949940,3cyclictest15585-21diskstats21:35:131
205869943,1cyclictest171ktimers/021:45:130
205869942,2cyclictest743-21snmpd19:30:030
205869942,2cyclictest32695-21ntpq22:15:150
205869941,2cyclictest9569-21load20:00:150
205869941,2cyclictest31737-21expr20:55:120
205869941,2cyclictest25169-21head19:20:120
205869941,2cyclictest23727-21grep00:30:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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