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2026-05-21 - 23:11

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 Thu May 21, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4896993131,0cyclictest28565-21fwupd10:43:591
4896991918,1cyclictest65850irq/126-lan11:48:491
4896991918,1cyclictest65850irq/126-lan07:22:561
4896991818,0cyclictest65850irq/126-lan11:15:011
4896991817,1cyclictest65850irq/126-lan12:35:191
4896991817,1cyclictest65850irq/126-lan11:25:151
4896991817,1cyclictest65850irq/126-lan10:50:151
4896991817,1cyclictest65850irq/126-lan10:17:421
4896991817,1cyclictest65850irq/126-lan09:34:061
4896991817,1cyclictest65850irq/126-lan09:22:151
4896991717,0cyclictest65850irq/126-lan11:24:091
4896991716,1cyclictest65850irq/126-lan12:08:101
4896991716,1cyclictest65850irq/126-lan11:00:171
4896991716,1cyclictest65850irq/126-lan10:10:151
4896991716,1cyclictest65850irq/126-lan09:45:151
4896991716,1cyclictest65850irq/126-lan09:10:171
4896991716,1cyclictest65850irq/126-lan08:56:091
4896991716,1cyclictest65850irq/126-lan07:15:211
4889991717,0cyclictest743-21snmpd12:18:050
4889991717,0cyclictest743-21snmpd11:38:490
4889991717,0cyclictest743-21snmpd09:18:110
4889991717,0cyclictest3821-21cat12:20:140
4889991717,0cyclictest20850-21cat10:25:130
4896991616,0cyclictest65850irq/126-lan12:25:131
4896991616,0cyclictest65850irq/126-lan12:20:191
4896991616,0cyclictest65850irq/126-lan12:11:181
4896991616,0cyclictest65850irq/126-lan10:55:151
4896991616,0cyclictest65850irq/126-lan08:50:121
4896991616,0cyclictest65850irq/126-lan08:40:131
4896991616,0cyclictest65850irq/126-lan07:55:191
4896991616,0cyclictest65850irq/126-lan07:50:121
4896991616,0cyclictest65850irq/126-lan07:35:121
4896991616,0cyclictest65850irq/126-lan07:30:201
4896991615,1cyclictest65850irq/126-lan10:45:141
4896991615,1cyclictest65850irq/126-lan10:30:131
4896991615,1cyclictest65850irq/126-lan10:00:181
4896991615,1cyclictest65850irq/126-lan09:56:541
4896991615,1cyclictest65850irq/126-lan08:25:211
4896991615,1cyclictest65850irq/126-lan08:20:171
4896991615,1cyclictest65850irq/126-lan08:15:161
4896991615,1cyclictest65850irq/126-lan08:05:161
4889991616,0cyclictest743-21snmpd11:02:480
4889991616,0cyclictest743-21snmpd10:38:070
4889991616,0cyclictest743-21snmpd10:23:210
4889991616,0cyclictest743-21snmpd10:19:250
4889991616,0cyclictest743-21snmpd09:05:160
4889991616,0cyclictest743-21snmpd09:02:460
4889991616,0cyclictest30236-21cat08:10:140
4896991515,0cyclictest65850irq/126-lan12:31:091
4896991514,1cyclictest65850irq/126-lan11:30:141
4896991514,1cyclictest65850irq/126-lan11:10:131
4896991514,1cyclictest65850irq/126-lan09:40:131
4896991514,1cyclictest65850irq/126-lan09:35:111
4896991514,1cyclictest65850irq/126-lan09:15:141
4896991514,1cyclictest65850irq/126-lan09:00:121
4896991514,1cyclictest65850irq/126-lan08:35:191
4896991514,1cyclictest65850irq/126-lan08:30:111
4889991515,0cyclictest9571-21cat07:20:140
4889991515,0cyclictest743-21snmpd09:54:410
4889991515,0cyclictest743-21snmpd09:36:110
4889991515,0cyclictest743-21snmpd08:56:350
4889991515,0cyclictest743-21snmpd08:08:420
4889991515,0cyclictest743-21snmpd07:59:090
4896991414,0cyclictest65850irq/126-lan12:00:171
4896991414,0cyclictest65850irq/126-lan11:06:081
4896991414,0cyclictest65850irq/126-lan08:45:161
4896991413,1cyclictest65850irq/126-lan12:20:011
4896991413,1cyclictest65850irq/126-lan11:40:001
4896991413,1cyclictest65850irq/126-lan10:35:181
4896991413,1cyclictest65850irq/126-lan10:25:181
4896991413,1cyclictest65850irq/126-lan09:05:161
4896991413,1cyclictest65850irq/126-lan07:45:131
4896991313,0cyclictest65850irq/126-lan10:20:131
4896991313,0cyclictest65850irq/126-lan08:13:091
4896991313,0cyclictest65850irq/126-lan08:03:091
4896991312,1cyclictest65850irq/126-lan11:50:101
4896991312,1cyclictest65850irq/126-lan11:40:141
4896991312,1cyclictest65850irq/126-lan07:40:201
4896991212,0cyclictest65850irq/126-lan09:50:211
4896991211,1cyclictest65850irq/126-lan11:55:161
4896991211,1cyclictest65850irq/126-lan09:25:151
4896991111,0cyclictest65850irq/126-lan07:25:161
4889991111,0cyclictest743-21snmpd09:33:540
490599108,2cyclictest743-21snmpd08:53:113
490599108,2cyclictest743-21snmpd08:24:073
490599103,5cyclictest4425-21df_inode09:45:133
49059998,1cyclictest741-21lldpd12:01:333
49059997,2cyclictest743-21snmpd12:14:403
49059997,2cyclictest743-21snmpd10:01:033
49059996,3cyclictest743-21snmpd08:40:013
49059996,3cyclictest743-21snmpd08:03:143
49059991,5cyclictest16979-21sed10:15:163
49059990,5cyclictest0-21swapper/310:45:183
49059990,3cyclictest17795-21awk09:00:003
49059990,2cyclictest15025-21cut10:10:153
49059990,2cyclictest1-21systemd11:31:033
49019998,1cyclictest743-21snmpd11:37:212
49019998,1cyclictest743-21snmpd11:17:152
49019998,1cyclictest743-21snmpd09:36:082
49019998,1cyclictest743-21snmpd08:17:542
49019998,1cyclictest743-21snmpd08:09:282
48899998,1cyclictest743-21snmpd08:41:470
48899998,0cyclictest743-21snmpd12:10:040
49059988,0cyclictest741-21lldpd10:34:103
49059987,1cyclictest743-21snmpd11:11:363
49059986,2cyclictest743-21snmpd07:24:553
49059986,2cyclictest743-21snmpd07:10:403
49059985,3cyclictest15839-21fschecks_time07:35:113
49059982,6cyclictest10842-21expr11:20:113
49059982,5cyclictest21031-21sed10:25:153
49059981,4cyclictest31628-21netstat10:50:153
49059980,4cyclictest9509-21ntp_states11:15:173
49059980,4cyclictest28259-21users10:40:193
49059980,4cyclictest11929-21ntpq07:25:163
49059980,2cyclictest23907-21grep11:50:183
49059980,1cyclictest0-21swapper/312:25:143
49059980,0cyclictest9326-21grep09:55:193
49019988,0cyclictest743-21snmpd09:31:292
49019988,0cyclictest741-21lldpd08:41:182
49019987,1cyclictest743-21snmpd08:10:002
49019987,1cyclictest743-21snmpd07:48:592
49019987,1cyclictest741-21lldpd09:02:012
49019986,2cyclictest743-21snmpd12:18:472
49019986,2cyclictest743-21snmpd11:07:322
49019986,2cyclictest743-21snmpd08:59:262
49019986,2cyclictest743-21snmpd08:01:502
48969987,1cyclictest65850irq/126-lan07:10:121
48899988,0cyclictest743-21snmpd11:56:490
48899988,0cyclictest743-21snmpd11:06:530
48899988,0cyclictest741-21lldpd10:56:060
48899988,0cyclictest741-21lldpd10:46:390
48899987,1cyclictest743-21snmpd12:06:590
48899986,2cyclictest743-21snmpd08:36:300
48899986,2cyclictest743-21snmpd07:44:440
49059977,0cyclictest743-21snmpd12:15:473
49059977,0cyclictest743-21snmpd07:51:303
49059976,1cyclictest741-21lldpd11:00:593
49059972,5cyclictest7104-21apt-get07:15:133
49059972,5cyclictest18767-21expr10:20:153
49059972,4cyclictest18752-21find11:40:113
49059971,6cyclictest30020-21gltestperf12:05:123
49059971,5cyclictest948-21expr10:55:133
49059970,4cyclictest935-21ntpq09:35:153
49059970,4cyclictest8233-21ntpq12:30:173
49059970,4cyclictest21582-21ntpq11:45:193
49059970,4cyclictest12154-21df_inode08:45:133
49059970,3cyclictest4794-21diskstats11:05:113
49059970,3cyclictest4126-21grep08:25:143
49059970,3cyclictest4095-21ntp_192.168.11412:20:163
49059970,3cyclictest3231-21rt-features09:40:173
49059970,3cyclictest31353-21chrt08:12:403
49059970,3cyclictest30660-21cpuspeed_turbos09:30:113
49059970,3cyclictest29548-21/usr/sbin/munin09:25:183
49059970,3cyclictest25296-21ntpq09:15:173
49059970,3cyclictest25165-21fw_conntrack10:35:133
49059970,3cyclictest24201-21irqstats07:55:153
49059970,3cyclictest22662-21df09:10:133
49059970,3cyclictest19924-21apt-config09:04:593
49059970,3cyclictest18948-21grep07:40:203
49059970,3cyclictest17127-21cut11:35:153
49059970,3cyclictest14458-21ld07:30:183
49059970,3cyclictest12635-21fw_conntrack10:05:133
49059970,3cyclictest10282-21ld12:35:163
49059970,2cyclictest897-21chrt08:16:403
49059970,2cyclictest29163-21chrt08:05:283
49059970,0cyclictest0-21swapper/307:46:113
49019977,0cyclictest743-21snmpd12:25:462
49019977,0cyclictest743-21snmpd10:46:502
49019977,0cyclictest743-21snmpd09:29:242
49019977,0cyclictest743-21snmpd09:13:202
49019976,1cyclictest743-21snmpd12:10:462
49019976,1cyclictest743-21snmpd11:01:212
49019976,1cyclictest743-21snmpd08:20:342
49019976,1cyclictest741-21lldpd12:32:132
49019976,1cyclictest741-21lldpd09:55:032
49019976,1cyclictest741-21lldpd07:41:202
49019975,2cyclictest743-21snmpd11:54:072
49019975,2cyclictest743-21snmpd11:41:332
49019975,2cyclictest743-21snmpd11:33:102
49019975,2cyclictest743-21snmpd11:29:552
49019975,2cyclictest743-21snmpd10:59:092
49019975,2cyclictest743-21snmpd10:51:462
49019975,2cyclictest743-21snmpd10:25:282
49019975,2cyclictest743-21snmpd10:23:392
49019975,2cyclictest743-21snmpd07:13:552
49019975,2cyclictest30164-21cat12:05:142
48969976,1cyclictest65850irq/126-lan10:05:131
48899977,0cyclictest743-21snmpd11:41:360
48899977,0cyclictest743-21snmpd10:33:410
48899977,0cyclictest743-21snmpd10:00:220
48899977,0cyclictest743-21snmpd08:49:160
48899977,0cyclictest741-21lldpd11:50:560
48899977,0cyclictest741-21lldpd11:16:500
48899977,0cyclictest741-21lldpd09:45:490
48899976,1cyclictest743-21snmpd08:22:120
48899976,1cyclictest743-21snmpd08:18:150
48899976,1cyclictest522-21avahi-daemon07:15:010
48899975,2cyclictest743-21snmpd12:04:140
49059960,3cyclictest8160-21cut08:35:133
49059960,3cyclictest24875-21apt-config11:55:013
49059960,3cyclictest20335-21base6409:05:013
49059960,3cyclictest12747-21grep11:25:133
49059960,2cyclictest6267-21sort09:50:123
49059960,2cyclictest6054-21expr08:30:113
49059960,2cyclictest27229-21grep09:20:163
49019966,0cyclictest741-21lldpd11:57:312
49019966,0cyclictest741-21lldpd11:21:232
49019966,0cyclictest741-21lldpd08:49:552
49019966,0cyclictest741-21lldpd07:30:082
49019965,1cyclictest743-21snmpd10:34:142
49019965,1cyclictest743-21snmpd10:13:312
49019965,1cyclictest741-21lldpd09:23:452
49019965,1cyclictest741-21lldpd07:36:572
49019964,2cyclictest743-21snmpd10:17:492
49019964,2cyclictest743-21snmpd10:00:492
49019964,2cyclictest743-21snmpd08:27:182
49019962,3cyclictest5738-21dpkg08:30:002
49019962,3cyclictest10285-21ntp_states12:35:162
48899966,0cyclictest741-21lldpd10:52:250
48899966,0cyclictest741-21lldpd09:55:370
48899966,0cyclictest741-21lldpd09:11:580
48899966,0cyclictest573-21in:imuxsock07:37:080
48899965,1cyclictest573-21in:imuxsock11:21:120
48899965,1cyclictest26162-21gltestperf08:00:120
48899965,1cyclictest11457-21gltestperf07:25:130
48899961,5cyclictest557-21NetworkManager12:31:050
48899961,3cyclictest15483-21cat07:34:590
48899960,5cyclictest6772-21users12:25:200
49019955,0cyclictest743-21snmpd10:05:152
49019955,0cyclictest743-21snmpd07:16:132
49019952,2cyclictest7751-21seq09:51:392
49019952,2cyclictest557-21NetworkManager09:05:182
49019952,2cyclictest4970-21ntp_192.168.11409:45:172
49019952,2cyclictest4066-21wc09:45:002
49019952,2cyclictest21498-21ntpq11:45:182
49019951,3cyclictest8609-21sed11:15:012
49019951,3cyclictest14605-21sed08:50:152
48899955,0cyclictest14722-21gltestperf10:10:120
48899954,1cyclictest22512-21ntpq07:50:160
48899953,2cyclictest717-21ntpd11:10:450
48899953,2cyclictest717-21ntpd08:30:070
48899953,2cyclictest717-21ntpd08:28:040
48899953,2cyclictest14298-21gltestperf08:50:130
48899952,3cyclictest557-21NetworkManager10:41:250
48899952,2cyclictest575-21rs:main0
48899952,2cyclictest3346-21threads09:40:190
48899950,4cyclictest29090-21cat09:25:150
48899950,4cyclictest10249-21ntpq12:35:160
49019943,1cyclictest421ktimers/210:40:142
49019943,1cyclictest0-21swapper/207:20:132
49019942,2cyclictest743-21snmpd12:20:052
49019942,2cyclictest743-21snmpd12:00:562
49019942,2cyclictest22176-21cat07:50:142
49019941,2cyclictest25088-21unixbench_singl07:55:212
49019940,4cyclictest25712-21ntpq10:35:172
49019940,4cyclictest12023-21ntpq07:25:172
49019940,3cyclictest24515-21apt-get09:15:122
48899943,1cyclictest171ktimers/011:45:190
48899943,1cyclictest0-21swapper/010:05:210
48899943,1cyclictest0-21swapper/009:20:110
48899942,2cyclictest717-21ntpd07:45:130
48899942,1cyclictest14723-21apt-get11:30:100
48899941,2cyclictest13778-21sed11:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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