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2026-04-03 - 05:43

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 Fri Apr 03, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1879991918,1cyclictest65850irq/126-lan23:00:541
1879991918,1cyclictest65850irq/126-lan20:05:161
1879991817,1cyclictest65850irq/126-lan23:30:201
1879991817,1cyclictest65850irq/126-lan21:30:111
1879991817,1cyclictest65850irq/126-lan19:40:151
1879991817,1cyclictest65850irq/126-lan19:35:121
1879991817,1cyclictest65850irq/126-lan19:30:101
1879991817,1cyclictest65850irq/126-lan00:00:171
1879991717,0cyclictest65850irq/126-lan22:23:541
1879991717,0cyclictest65850irq/126-lan19:10:171
1879991716,1cyclictest65850irq/126-lan23:40:241
1879991716,1cyclictest65850irq/126-lan23:15:161
1879991716,1cyclictest65850irq/126-lan22:40:141
1879991716,1cyclictest65850irq/126-lan22:35:211
1879991716,1cyclictest65850irq/126-lan21:50:131
1879991716,1cyclictest65850irq/126-lan21:35:201
1879991716,1cyclictest65850irq/126-lan21:25:221
1879991716,1cyclictest65850irq/126-lan21:20:111
1879991716,1cyclictest65850irq/126-lan20:25:121
1879991716,1cyclictest65850irq/126-lan20:10:201
1879991716,1cyclictest65850irq/126-lan00:25:211
1879991616,0cyclictest65850irq/126-lan23:35:141
1879991616,0cyclictest65850irq/126-lan21:55:131
1879991616,0cyclictest65850irq/126-lan20:16:391
1879991616,0cyclictest65850irq/126-lan19:15:181
1879991616,0cyclictest65850irq/126-lan00:10:151
1879991615,1cyclictest65850irq/126-lan23:25:121
1879991615,1cyclictest65850irq/126-lan22:50:111
1879991615,1cyclictest65850irq/126-lan22:30:201
1879991615,1cyclictest65850irq/126-lan22:00:131
1879991615,1cyclictest65850irq/126-lan19:25:161
1879991615,1cyclictest65850irq/126-lan00:20:011
1879991515,0cyclictest65850irq/126-lan23:55:161
1879991515,0cyclictest65850irq/126-lan22:16:521
1879991515,0cyclictest65850irq/126-lan22:07:391
1879991515,0cyclictest65850irq/126-lan20:20:191
1879991515,0cyclictest65850irq/126-lan00:05:191
1879991514,1cyclictest65850irq/126-lan20:45:191
1879991514,1cyclictest65850irq/126-lan20:40:171
1879991514,1cyclictest65850irq/126-lan00:35:131
1879991414,0cyclictest65850irq/126-lan23:50:201
1879991414,0cyclictest65850irq/126-lan22:49:401
1879991414,0cyclictest65850irq/126-lan19:55:001
1879991413,1cyclictest65850irq/126-lan23:20:131
1879991413,1cyclictest65850irq/126-lan21:40:161
1879991413,1cyclictest65850irq/126-lan21:00:131
1879991413,1cyclictest65850irq/126-lan19:45:121
1879991413,1cyclictest65850irq/126-lan00:15:101
1879991313,0cyclictest65850irq/126-lan23:05:141
1879991313,0cyclictest65850irq/126-lan22:55:181
1879991313,0cyclictest65850irq/126-lan22:25:231
1879991313,0cyclictest65850irq/126-lan21:15:561
1879991313,0cyclictest65850irq/126-lan21:10:021
1879991313,0cyclictest65850irq/126-lan20:50:111
1879991313,0cyclictest65850irq/126-lan20:30:111
1879991312,1cyclictest65850irq/126-lan20:55:141
1879991312,1cyclictest65850irq/126-lan19:52:081
1879991312,1cyclictest65850irq/126-lan19:20:121
1879991312,1cyclictest65850irq/126-lan00:30:161
1879991212,0cyclictest65850irq/126-lan21:45:151
1879991110,1cyclictest65850irq/126-lan23:45:181
1879991110,1cyclictest65850irq/126-lan21:05:131
1879991010,0cyclictest65850irq/126-lan22:10:151
18899998,1cyclictest743-21snmpd23:52:563
18899998,1cyclictest743-21snmpd19:55:273
18899998,1cyclictest743-21snmpd00:30:473
18899998,1cyclictest741-21lldpd23:42:273
18899998,1cyclictest741-21lldpd19:41:323
18899998,1cyclictest741-21lldpd19:25:093
18859998,1cyclictest743-21snmpd19:43:542
18799999,0cyclictest65850irq/126-lan23:10:111
18799999,0cyclictest65850irq/126-lan20:00:111
18769998,1cyclictest743-21snmpd23:17:260
18899988,0cyclictest741-21lldpd23:23:493
18899988,0cyclictest741-21lldpd22:55:203
18899988,0cyclictest741-21lldpd22:12:593
18899988,0cyclictest741-21lldpd21:46:323
18899988,0cyclictest741-21lldpd20:31:263
18899988,0cyclictest15176-21needreboot21:00:133
18899987,1cyclictest743-21snmpd22:33:153
18899987,1cyclictest743-21snmpd21:52:493
18899987,1cyclictest741-21lldpd22:27:213
18899987,1cyclictest522-21avahi-daemon22:50:093
18899986,2cyclictest743-21snmpd23:47:033
18899986,2cyclictest743-21snmpd20:58:303
18899986,2cyclictest743-21snmpd20:27:193
18899986,2cyclictest743-21snmpd00:08:043
18899986,2cyclictest12581-21cat19:35:123
18899985,3cyclictest743-21snmpd21:42:293
18859988,0cyclictest743-21snmpd20:53:152
18859988,0cyclictest741-21lldpd23:59:292
18859988,0cyclictest741-21lldpd21:19:492
18859986,2cyclictest743-21snmpd23:45:362
18859986,2cyclictest743-21snmpd23:24:082
18859986,2cyclictest743-21snmpd22:55:022
18859986,2cyclictest743-21snmpd21:55:082
18859986,2cyclictest743-21snmpd20:33:352
18859986,2cyclictest743-21snmpd19:31:572
18859984,3cyclictest4973-21apt-get00:35:112
18799987,1cyclictest743-21snmpd20:37:481
18769988,0cyclictest741-21lldpd22:05:020
18769988,0cyclictest741-21lldpd22:00:070
18769987,1cyclictest743-21snmpd23:05:370
18769987,1cyclictest743-21snmpd21:18:090
18769987,1cyclictest743-21snmpd19:47:120
18769987,1cyclictest743-21snmpd00:09:340
18769987,1cyclictest4803-21cpuspeed_turbos21:55:110
18769986,2cyclictest743-21snmpd23:47:210
18769986,2cyclictest743-21snmpd21:25:400
18769986,2cyclictest743-21snmpd21:20:180
18769986,2cyclictest743-21snmpd20:44:420
18769986,2cyclictest717-21ntpd23:51:430
18769986,2cyclictest717-21ntpd21:11:420
18769986,2cyclictest717-21ntpd19:50:020
18769986,2cyclictest717-21ntpd19:22:050
18769986,2cyclictest717-21ntpd19:16:400
18769986,2cyclictest717-21ntpd19:12:400
18769986,2cyclictest717-21ntpd00:27:430
18899977,0cyclictest741-21lldpd23:03:443
18899977,0cyclictest741-21lldpd22:46:063
18899977,0cyclictest741-21lldpd22:21:323
18899977,0cyclictest522-21avahi-daemon20:17:453
18899976,1cyclictest743-21snmpd20:06:263
18899976,1cyclictest743-21snmpd20:02:553
18899976,1cyclictest743-21snmpd00:37:233
18899976,1cyclictest522-21avahi-daemon22:00:113
18899975,2cyclictest743-21snmpd21:38:493
18899975,2cyclictest743-21snmpd00:19:163
18859977,0cyclictest743-21snmpd22:31:002
18859977,0cyclictest743-21snmpd21:37:072
18859977,0cyclictest743-21snmpd21:30:132
18859977,0cyclictest743-21snmpd00:03:312
18859977,0cyclictest741-21lldpd22:43:492
18859977,0cyclictest741-21lldpd21:52:302
18859977,0cyclictest741-21lldpd21:27:582
18859977,0cyclictest741-21lldpd20:01:202
18859977,0cyclictest522-21avahi-daemon20:14:372
18859976,1cyclictest743-21snmpd23:42:442
18859976,1cyclictest741-21lldpd23:34:022
18859976,1cyclictest741-21lldpd20:42:292
18859976,1cyclictest573-21in:imuxsock20:15:012
18859975,2cyclictest802-21cat20:25:142
18859975,2cyclictest743-21snmpd20:39:512
18859975,2cyclictest743-21snmpd00:20:342
18859975,2cyclictest743-21snmpd00:07:342
18769977,0cyclictest743-21snmpd23:21:320
18769977,0cyclictest743-21snmpd22:38:180
18769977,0cyclictest741-21lldpd23:10:310
18769977,0cyclictest741-21lldpd20:51:190
18769976,1cyclictest743-21snmpd22:33:520
18769976,1cyclictest743-21snmpd21:42:080
18769976,1cyclictest743-21snmpd20:33:320
18769976,1cyclictest717-21ntpd00:39:430
18769976,1cyclictest717-21ntpd00:22:290
18769975,2cyclictest743-21snmpd22:49:310
18769975,2cyclictest743-21snmpd20:20:460
18769975,2cyclictest743-21snmpd20:05:340
18769975,2cyclictest743-21snmpd00:11:240
18769975,2cyclictest717-21ntpd21:30:010
18769975,2cyclictest717-21ntpd19:29:440
18769975,2cyclictest717-21ntpd00:31:140
18769975,2cyclictest15607-21cat23:40:160
18769973,3cyclictest8674-21apt-get23:25:110
18899966,0cyclictest743-21snmpd23:17:023
18899966,0cyclictest743-21snmpd22:38:303
18899966,0cyclictest743-21snmpd21:55:263
18899966,0cyclictest743-21snmpd19:24:383
18899966,0cyclictest22298-21sendmail21:19:593
18899965,1cyclictest743-21snmpd00:12:183
18899965,1cyclictest22979-21cpuspeed_turbos22:40:133
18899964,2cyclictest743-21snmpd22:15:023
18899964,2cyclictest743-21snmpd21:14:483
18899963,2cyclictest244-20systemd-journal19:15:253
18899962,3cyclictest244-20systemd-journal21:34:363
18899960,6cyclictest557-21NetworkManager20:12:013
18859966,0cyclictest743-21snmpd23:28:232
18859966,0cyclictest743-21snmpd19:24:172
18859966,0cyclictest741-21lldpd22:53:452
18859966,0cyclictest741-21lldpd21:13:202
18859966,0cyclictest741-21lldpd20:56:012
18859966,0cyclictest741-21lldpd00:14:462
18859965,1cyclictest743-21snmpd22:20:262
18859965,1cyclictest522-21avahi-daemon19:17:012
18859965,1cyclictest31698-21needreboot21:40:162
18859965,1cyclictest12774-21needreboot19:35:142
18769966,0cyclictest743-21snmpd22:58:520
18769966,0cyclictest741-21lldpd23:38:260
18769966,0cyclictest741-21lldpd22:24:200
18769966,0cyclictest741-21lldpd20:15:460
18769966,0cyclictest741-21lldpd20:12:500
18769966,0cyclictest741-21lldpd19:59:580
18769965,1cyclictest743-21snmpd20:56:390
18769965,1cyclictest743-21snmpd20:26:400
18769965,1cyclictest717-21ntpd21:35:090
18769965,1cyclictest717-21ntpd21:05:050
18769965,1cyclictest717-21ntpd19:30:060
18769964,2cyclictest743-21snmpd22:12:020
18769964,2cyclictest717-21ntpd23:55:420
18769964,2cyclictest717-21ntpd23:02:400
18769964,2cyclictest717-21ntpd19:35:240
18769963,3cyclictest743-21snmpd21:45:110
18769962,4cyclictest557-21NetworkManager20:45:040
18769962,4cyclictest557-21NetworkManager00:15:110
18769961,2cyclictest557-21NetworkManager20:04:150
18899955,0cyclictest743-21snmpd23:14:053
18899955,0cyclictest741-21lldpd20:45:073
18899955,0cyclictest741-21lldpd19:33:293
18899955,0cyclictest522-21avahi-daemon20:20:323
18899954,1cyclictest9439-21cut22:05:153
18899954,1cyclictest743-21snmpd23:37:593
18899954,1cyclictest743-21snmpd21:20:013
18899953,2cyclictest9102-21cat23:25:143
18899953,2cyclictest743-21snmpd20:37:363
18899953,2cyclictest557-21NetworkManager19:10:403
18899952,3cyclictest557-21NetworkManager23:30:213
18899952,3cyclictest557-21NetworkManager00:04:283
18899952,3cyclictest18799-21df_inode19:50:123
18899952,2cyclictest717-21ntpd21:05:193
18899952,2cyclictest17785-21sed19:45:193
18899951,3cyclictest12219-21pluginstate20:55:003
18899950,4cyclictest1446-21ntpq23:05:173
18859955,0cyclictest743-21snmpd20:05:262
18859955,0cyclictest743-21snmpd19:13:592
18859955,0cyclictest741-21lldpd23:12:072
18859955,0cyclictest741-21lldpd22:05:002
18859955,0cyclictest741-21lldpd00:16:132
18859953,2cyclictest743-21snmpd00:26:252
18859953,2cyclictest530-21apt-get23:05:112
18859953,2cyclictest244-20systemd-journal20:20:422
18859953,2cyclictest21615-21ntpq22:35:182
18859952,3cyclictest25086-21entropy22:45:132
18859952,3cyclictest22585-21apt-get21:20:112
18859952,3cyclictest17462-21ntpq19:45:162
18859952,3cyclictest14139-21awk22:15:212
18859952,2cyclictest7607-21ntpq22:00:162
18859952,2cyclictest244-20systemd-journal21:09:552
18859952,2cyclictest21748-21cat19:55:192
18859951,3cyclictest13417-21fw_forwarded_lo23:35:122
18769955,0cyclictest743-21snmpd21:00:090
18769953,2cyclictest717-21ntpd00:00:060
18769952,3cyclictest743-21snmpd21:54:160
18769952,2cyclictest24238-21awk22:40:210
18769952,2cyclictest14576-21hddtemp_smartct19:40:130
18769951,3cyclictest11339-21expr23:30:140
18899941,2cyclictest7184-21ntpq20:40:153
18899941,2cyclictest32056-21ld00:20:163
18899941,2cyclictest24575-21cat21:25:123
18899941,2cyclictest1498-21load00:25:153
18899940,3cyclictest21482-21fw_forwarded_lo23:55:113
18859942,2cyclictest3476-21sed00:30:162
18859942,2cyclictest15167-21grep21:00:132
18859941,2cyclictest5431-21ntpq23:15:172
18859941,2cyclictest19195-21missed_timers19:50:162
18859941,2cyclictest1155-21uname21:45:132
18859940,4cyclictest557-21NetworkManager19:25:042
18859940,3cyclictest8612-21df_inode20:45:112
18859940,3cyclictest19471-21fw_forwarded_lo23:50:112
18859940,3cyclictest10953-21diskstats22:10:132
18859940,2cyclictest32734-21cat23:05:012
18769942,2cyclictest743-21snmpd22:50:090
18769942,2cyclictest4906-21wc20:35:130
18769941,2cyclictest17445-21missed_timers22:25:160
18769940,4cyclictest13254-21irqstats22:15:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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