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2026-03-09 - 22:56

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 Mar 09, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18049992018,2cyclictest65850irq/126-lan10:30:202
18049992018,2cyclictest65850irq/126-lan10:00:192
18049991918,1cyclictest65850irq/126-lan12:10:152
18049991918,1cyclictest65850irq/126-lan07:40:112
18049991817,1cyclictest65850irq/126-lan11:50:112
18049991817,1cyclictest65850irq/126-lan11:35:182
18049991817,1cyclictest65850irq/126-lan07:28:082
18049991817,1cyclictest65850irq/126-lan07:20:122
18049991817,1cyclictest65850irq/126-lan07:13:122
18049991816,2cyclictest65850irq/126-lan09:25:132
18049991717,0cyclictest65850irq/126-lan11:45:202
18049991717,0cyclictest65850irq/126-lan10:05:082
18049991717,0cyclictest65850irq/126-lan09:20:112
18049991717,0cyclictest65850irq/126-lan09:15:082
18049991716,1cyclictest65850irq/126-lan10:50:302
18049991716,1cyclictest65850irq/126-lan07:15:202
18049991715,2cyclictest65850irq/126-lan11:30:172
18049991715,2cyclictest65850irq/126-lan08:25:212
18049991616,0cyclictest65850irq/126-lan12:09:582
18049991616,0cyclictest65850irq/126-lan11:10:332
18049991616,0cyclictest65850irq/126-lan10:11:192
18049991615,1cyclictest65850irq/126-lan11:24:072
18049991615,1cyclictest65850irq/126-lan10:15:122
18049991615,1cyclictest65850irq/126-lan09:50:122
18049991615,1cyclictest65850irq/126-lan08:05:192
18049991614,2cyclictest65850irq/126-lan11:40:192
18049991614,2cyclictest65850irq/126-lan10:45:152
18049991613,3cyclictest65850irq/126-lan10:55:182
18049991515,0cyclictest65850irq/126-lan10:40:162
18049991515,0cyclictest65850irq/126-lan08:40:092
18049991515,0cyclictest65850irq/126-lan07:53:082
18049991514,1cyclictest65850irq/126-lan12:00:212
18049991514,1cyclictest65850irq/126-lan11:55:162
18049991514,1cyclictest65850irq/126-lan11:15:222
18049991514,1cyclictest65850irq/126-lan11:00:132
18049991514,1cyclictest65850irq/126-lan10:22:082
18049991514,1cyclictest65850irq/126-lan08:24:362
18049991514,1cyclictest65850irq/126-lan08:15:162
18049991514,1cyclictest65850irq/126-lan08:00:142
18049991513,2cyclictest65850irq/126-lan08:45:142
18049991512,3cyclictest65850irq/126-lan11:30:002
18049991414,0cyclictest65850irq/126-lan12:26:082
18049991414,0cyclictest65850irq/126-lan11:07:082
18049991414,0cyclictest65850irq/126-lan07:39:082
18049991413,1cyclictest65850irq/126-lan12:31:092
18049991413,1cyclictest65850irq/126-lan09:35:172
18049991413,1cyclictest65850irq/126-lan09:00:122
18049991413,1cyclictest65850irq/126-lan07:55:152
18049991412,2cyclictest65850irq/126-lan08:30:182
18049991313,0cyclictest65850irq/126-lan12:35:442
18049991313,0cyclictest65850irq/126-lan10:35:102
18049991313,0cyclictest65850irq/126-lan09:09:072
18049991312,1cyclictest65850irq/126-lan08:50:132
18049991312,1cyclictest65850irq/126-lan08:10:152
18049991212,0cyclictest65850irq/126-lan12:20:122
18049991212,0cyclictest65850irq/126-lan10:25:162
18049991211,1cyclictest65850irq/126-lan09:40:092
18049991211,1cyclictest65850irq/126-lan09:30:172
18049991111,0cyclictest65850irq/126-lan07:32:082
1804999109,1cyclictest65850irq/126-lan09:55:122
1804999109,1cyclictest65850irq/126-lan08:55:202
1804999109,0cyclictest65850irq/126-lan08:38:082
1803699107,2cyclictest23979-21tr10:00:110
180549998,1cyclictest743-21snmpd11:10:393
180499998,1cyclictest65850irq/126-lan07:45:162
180429998,1cyclictest741-21lldpd10:25:071
180549988,0cyclictest743-21snmpd12:17:543
180549988,0cyclictest743-21snmpd08:30:553
180549988,0cyclictest741-21lldpd11:43:283
180549988,0cyclictest741-21lldpd11:06:463
180549988,0cyclictest741-21lldpd11:00:563
180549988,0cyclictest741-21lldpd08:16:223
180549988,0cyclictest741-21lldpd08:14:083
180549987,1cyclictest743-21snmpd11:27:583
180549987,1cyclictest32435-21cpuspeed_turbos10:20:123
180549986,2cyclictest743-21snmpd11:56:083
180549986,2cyclictest743-21snmpd07:40:443
180549986,2cyclictest743-21snmpd07:21:483
180549986,2cyclictest717-21ntpd12:37:063
180549986,2cyclictest717-21ntpd10:51:523
180549986,2cyclictest717-21ntpd10:41:133
180549986,2cyclictest717-21ntpd10:35:403
180549986,2cyclictest717-21ntpd10:30:563
180549986,2cyclictest717-21ntpd09:51:223
180549986,2cyclictest717-21ntpd09:26:203
180549986,2cyclictest717-21ntpd08:57:483
180549986,2cyclictest717-21ntpd08:48:573
180549986,2cyclictest717-21ntpd08:38:133
180549986,2cyclictest717-21ntpd08:22:113
180549986,2cyclictest717-21ntpd07:16:043
180549985,3cyclictest743-21snmpd10:06:033
180549985,3cyclictest743-21snmpd07:52:093
180499987,1cyclictest65850irq/126-lan09:10:182
180499987,1cyclictest65850irq/126-lan09:10:172
180429988,0cyclictest743-21snmpd08:11:221
180429988,0cyclictest741-21lldpd12:00:401
180429988,0cyclictest741-21lldpd11:50:101
180429988,0cyclictest741-21lldpd11:25:351
180429988,0cyclictest741-21lldpd09:41:441
180429987,1cyclictest743-21snmpd09:08:321
180429986,2cyclictest743-21snmpd11:43:551
180429986,2cyclictest743-21snmpd11:22:541
180429986,2cyclictest743-21snmpd10:46:171
180429986,2cyclictest743-21snmpd08:50:461
180429986,2cyclictest743-21snmpd07:18:051
180369988,0cyclictest743-21snmpd12:28:230
180369988,0cyclictest743-21snmpd09:24:590
180369988,0cyclictest743-21snmpd08:38:550
180369988,0cyclictest743-21snmpd07:42:000
180369988,0cyclictest741-21lldpd12:08:420
180369988,0cyclictest741-21lldpd10:56:300
180369988,0cyclictest741-21lldpd10:48:350
180369988,0cyclictest741-21lldpd09:56:220
180369988,0cyclictest741-21lldpd09:50:110
180369988,0cyclictest741-21lldpd09:15:410
180369987,1cyclictest743-21snmpd07:11:420
180369987,1cyclictest573-21in:imuxsock07:18:240
180369986,2cyclictest743-21snmpd08:47:010
180369986,2cyclictest743-21snmpd08:17:000
180369985,2cyclictest743-21snmpd08:25:070
180369985,2cyclictest31382-21grep11:35:130
180369984,3cyclictest743-21snmpd11:07:260
180549977,0cyclictest743-21snmpd09:42:453
180549977,0cyclictest743-21snmpd09:20:093
180549977,0cyclictest743-21snmpd09:19:353
180549977,0cyclictest741-21lldpd12:10:143
180549977,0cyclictest741-21lldpd11:31:003
180549976,1cyclictest743-21snmpd10:47:473
180549976,1cyclictest741-21lldpd09:10:283
180549976,1cyclictest741-21lldpd09:10:273
180549976,1cyclictest717-21ntpd08:52:173
180549976,1cyclictest717-21ntpd08:40:063
180549976,1cyclictest717-21ntpd07:31:283
180549976,1cyclictest522-21avahi-daemon07:27:083
180549975,2cyclictest743-21snmpd12:24:143
180549975,2cyclictest717-21ntpd09:46:233
180549975,2cyclictest717-21ntpd09:07:423
180499977,0cyclictest65850irq/126-lan09:48:492
180429977,0cyclictest743-21snmpd11:30:371
180429977,0cyclictest743-21snmpd10:35:521
180429977,0cyclictest743-21snmpd10:23:341
180429977,0cyclictest741-21lldpd11:13:041
180429977,0cyclictest741-21lldpd10:18:181
180429977,0cyclictest741-21lldpd09:00:591
180429976,1cyclictest743-21snmpd12:37:041
180429976,1cyclictest743-21snmpd10:09:121
180429976,1cyclictest522-21avahi-daemon12:10:081
180429976,1cyclictest522-21avahi-daemon11:05:351
180429976,1cyclictest522-21avahi-daemon08:22:231
180429976,1cyclictest522-21avahi-daemon07:57:501
180429976,1cyclictest13841-21cpuspeed_turbos09:35:121
180429975,2cyclictest8475-21cat10:40:141
180429975,2cyclictest743-21snmpd12:05:131
180429975,2cyclictest743-21snmpd09:32:531
180429975,2cyclictest743-21snmpd08:32:431
180429975,2cyclictest743-21snmpd08:04:061
180429975,2cyclictest743-21snmpd07:53:001
180369977,0cyclictest743-21snmpd12:22:030
180369977,0cyclictest743-21snmpd10:22:580
180369977,0cyclictest743-21snmpd08:44:500
180369977,0cyclictest743-21snmpd08:12:520
180369977,0cyclictest741-21lldpd09:07:590
180369977,0cyclictest741-21lldpd08:23:100
180369977,0cyclictest522-21avahi-daemon11:56:180
180369976,1cyclictest743-21snmpd12:15:570
180369976,1cyclictest743-21snmpd11:28:270
180369976,1cyclictest573-21in:imuxsock10:40:290
180369976,1cyclictest522-21avahi-daemon10:35:170
180369976,1cyclictest16420-21needreboot09:40:160
180369975,2cyclictest743-21snmpd11:17:220
180369975,2cyclictest743-21snmpd10:33:350
180369975,2cyclictest743-21snmpd10:27:020
180549966,0cyclictest741-21lldpd11:39:313
180549966,0cyclictest741-21lldpd07:37:073
180549965,1cyclictest717-21ntpd10:13:353
180549964,2cyclictest717-21ntpd08:26:323
180549962,3cyclictest7804-21ntpq08:00:183
180549962,3cyclictest22898-21sed12:30:193
180499965,1cyclictest65850irq/126-lan12:15:152
180429966,0cyclictest743-21snmpd10:00:061
180429966,0cyclictest743-21snmpd08:35:071
180429966,0cyclictest522-21avahi-daemon11:19:331
180429966,0cyclictest506-21systemd-resolve08:07:551
180429965,1cyclictest743-21snmpd08:55:381
180429965,1cyclictest4385-21sed10:30:131
180429965,1cyclictest13047-21cpuspeed_turbos08:15:121
180429964,2cyclictest743-21snmpd12:16:301
180429964,2cyclictest743-21snmpd09:59:401
180429964,2cyclictest743-21snmpd09:45:361
180429964,2cyclictest743-21snmpd07:38:591
180429962,3cyclictest3724-21cat11:45:151
180369966,0cyclictest743-21snmpd10:07:480
180369966,0cyclictest743-21snmpd07:58:550
180369966,0cyclictest741-21lldpd12:13:130
180369966,0cyclictest522-21avahi-daemon12:30:080
180369965,1cyclictest743-21snmpd09:30:320
180369965,1cyclictest573-21in:imuxsock07:34:540
180369965,1cyclictest24055-21gltestperf12:35:140
180369964,2cyclictest743-21snmpd07:53:390
180369963,2cyclictest16489-21tail11:00:140
180369962,3cyclictest29360-21fw_forwarded_lo11:30:140
180369961,5cyclictest557-21NetworkManager07:45:440
180549955,0cyclictest741-21lldpd11:45:363
180549955,0cyclictest741-21lldpd09:30:233
180549955,0cyclictest741-21lldpd07:46:583
180549955,0cyclictest522-21avahi-daemon12:07:203
180549955,0cyclictest522-21avahi-daemon10:02:163
180549954,1cyclictest0-21swapper/311:50:153
180549953,2cyclictest743-21snmpd10:58:243
180549953,2cyclictest25064-21cat11:20:133
180549952,2cyclictest2366-21head10:25:133
180549952,2cyclictest22820-21grep11:15:163
180549952,2cyclictest19761-21grep12:25:113
180549952,2cyclictest10381-21sed12:00:213
180549951,3cyclictest22692-21ntp_states09:55:183
180549950,4cyclictest32204-21diskstats09:00:113
180429955,0cyclictest741-21lldpd07:31:111
180429955,0cyclictest522-21avahi-daemon08:47:211
180429955,0cyclictest17107-21apt-key08:25:011
180429954,1cyclictest522-21avahi-daemon12:34:041
180429953,2cyclictest20176-21cat12:25:131
180429952,3cyclictest557-21NetworkManager12:21:131
180429952,3cyclictest5145-21seq09:11:371
180429952,3cyclictest5145-21seq09:11:361
180429952,2cyclictest8168-21ps11:55:171
180429952,2cyclictest32679-21seq11:38:181
180429952,2cyclictest244-20systemd-journal07:25:211
180429952,2cyclictest1573-21nfs4_client07:45:151
180429951,3cyclictest19985-21df09:50:111
180429950,5cyclictest8566-21ntpq09:20:161
180429950,4cyclictest244-20systemd-journal10:55:301
180429950,4cyclictest24320-21ntpq08:40:171
180369955,0cyclictest743-21snmpd11:41:460
180369955,0cyclictest741-21lldpd11:10:320
180369955,0cyclictest741-21lldpd09:02:510
180369955,0cyclictest522-21avahi-daemon08:52:290
180369954,1cyclictest20208-21ntpq08:30:130
180369953,2cyclictest11496-21pluginstate09:30:010
180369952,3cyclictest743-21snmpd07:37:260
180369952,3cyclictest4721-21sensors_temp09:10:220
180369952,3cyclictest4721-21sensors_temp09:10:210
180369952,2cyclictest717-21ntpd10:15:160
180369952,2cyclictest7063-21tr08:00:130
180369952,2cyclictest5730-21memory11:50:140
180369952,2cyclictest25638-21sed07:25:210
180369952,2cyclictest244-20systemd-journal11:45:030
180369951,3cyclictest14548-21ntpq09:35:160
180369950,4cyclictest9512-21fw_forwarded_lo12:00:140
180369950,4cyclictest25483-21ntpq11:20:160
180549942,2cyclictest8916-21sshd08:05:083
180549942,2cyclictest4904-21apt07:55:093
180549942,2cyclictest18490-21grep07:10:123
180549941,2cyclictest30516-21sed10:15:153
180549941,2cyclictest14724-21wc09:35:193
180429941,3cyclictest557-21NetworkManager07:20:061
180429941,2cyclictest575-21rs:main1
180429941,2cyclictest28244-21gltestperf10:10:151
180429940,4cyclictest5858-21diskstats09:15:111
180429940,3cyclictest31965-21ntpq07:40:171
180429940,3cyclictest18797-21memory07:10:141
180429940,3cyclictest12629-21memory10:50:161
180429940,3cyclictest10033-21fw_conntrack09:25:131
180369941,3cyclictest18128-21grep09:45:120
180369941,2cyclictest8942-21apt08:05:090
180369941,2cyclictest244-20systemd-journal08:55:050
180369940,4cyclictest28044-21df10:10:130
180369940,3cyclictest22584-21fw_forwarded_lo07:20:130
180369940,3cyclictest12233-21df_inode10:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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