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2026-05-04 - 21:56

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 all highest latencies:
System rack8slot6s.osadl.org (updated Mon May 04, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11274991918,1cyclictest743-21snmpd10:04:203
11258991919,0cyclictest65850irq/126-lan07:57:461
11258991818,0cyclictest65850irq/126-lan10:10:211
11258991818,0cyclictest65850irq/126-lan08:50:151
11258991817,1cyclictest65850irq/126-lan11:45:171
11258991817,1cyclictest65850irq/126-lan11:30:211
11258991817,1cyclictest65850irq/126-lan07:45:121
11274991716,1cyclictest743-21snmpd09:03:003
11258991717,0cyclictest65850irq/126-lan12:20:101
11258991717,0cyclictest65850irq/126-lan09:05:201
11258991717,0cyclictest65850irq/126-lan08:44:291
11258991717,0cyclictest65850irq/126-lan07:30:161
11258991716,1cyclictest65850irq/126-lan11:50:121
11258991716,1cyclictest65850irq/126-lan10:35:011
11258991716,1cyclictest65850irq/126-lan09:55:191
11258991716,1cyclictest65850irq/126-lan09:45:171
11258991716,1cyclictest65850irq/126-lan08:05:211
11258991716,1cyclictest65850irq/126-lan07:50:121
11274991616,0cyclictest743-21snmpd11:15:083
11274991616,0cyclictest743-21snmpd08:51:503
11274991616,0cyclictest5042-21cat08:10:153
11258991616,0cyclictest65850irq/126-lan11:25:171
11258991616,0cyclictest65850irq/126-lan11:10:151
11258991616,0cyclictest65850irq/126-lan09:10:121
11258991616,0cyclictest65850irq/126-lan09:00:111
11258991615,1cyclictest65850irq/126-lan12:40:001
11258991615,1cyclictest65850irq/126-lan12:25:141
11258991615,1cyclictest65850irq/126-lan11:00:131
11258991615,1cyclictest65850irq/126-lan10:55:211
11258991615,1cyclictest65850irq/126-lan10:25:121
11258991615,1cyclictest65850irq/126-lan10:25:121
11258991615,1cyclictest65850irq/126-lan10:00:141
11258991615,1cyclictest65850irq/126-lan08:30:161
11258991615,1cyclictest65850irq/126-lan08:25:201
11258991615,1cyclictest65850irq/126-lan08:15:181
11258991615,1cyclictest65850irq/126-lan07:35:151
11274991515,0cyclictest743-21snmpd12:15:013
11274991515,0cyclictest743-21snmpd11:56:093
11274991515,0cyclictest743-21snmpd10:53:313
11274991515,0cyclictest743-21snmpd09:12:363
11274991515,0cyclictest743-21snmpd08:29:143
11274991515,0cyclictest3052-21cat08:05:143
11274991515,0cyclictest22043-21cat11:25:133
11274991515,0cyclictest17182-21cat08:40:153
11274991514,1cyclictest19624-21cat08:45:163
11258991515,0cyclictest65850irq/126-lan10:45:211
11258991515,0cyclictest65850irq/126-lan09:20:211
11258991515,0cyclictest65850irq/126-lan09:15:141
11258991514,1cyclictest65850irq/126-lan12:10:131
11258991514,1cyclictest65850irq/126-lan11:35:171
11258991514,1cyclictest65850irq/126-lan11:15:131
11258991514,1cyclictest65850irq/126-lan09:30:151
11258991514,1cyclictest65850irq/126-lan08:45:151
11258991514,1cyclictest65850irq/126-lan08:20:461
11258991514,1cyclictest65850irq/126-lan07:10:151
11274991414,0cyclictest743-21snmpd10:41:363
11274991414,0cyclictest743-21snmpd10:33:053
11274991414,0cyclictest743-21snmpd10:08:233
11274991414,0cyclictest743-21snmpd09:52:023
11274991414,0cyclictest743-21snmpd09:27:253
11274991414,0cyclictest743-21snmpd09:20:183
11274991414,0cyclictest743-21snmpd08:55:363
11274991414,0cyclictest743-21snmpd07:42:143
11274991414,0cyclictest743-21snmpd07:31:463
11274991414,0cyclictest743-21snmpd07:12:383
11274991414,0cyclictest30972-21cat07:55:143
11274991414,0cyclictest24424-21cat10:15:143
11258991414,0cyclictest65850irq/126-lan12:05:091
11258991414,0cyclictest65850irq/126-lan11:20:131
11258991414,0cyclictest65850irq/126-lan09:25:221
11258991414,0cyclictest65850irq/126-lan07:25:141
11258991413,1cyclictest65850irq/126-lan12:20:001
11258991413,1cyclictest65850irq/126-lan12:00:111
11258991413,1cyclictest65850irq/126-lan10:40:181
11258991413,1cyclictest65850irq/126-lan10:15:151
11258991413,1cyclictest65850irq/126-lan08:55:101
11274991313,0cyclictest14324-21cat12:25:153
11258991313,0cyclictest65850irq/126-lan11:05:131
11258991313,0cyclictest65850irq/126-lan10:50:131
11258991312,1cyclictest65850irq/126-lan12:30:151
11258991312,1cyclictest65850irq/126-lan10:20:121
11258991312,1cyclictest65850irq/126-lan10:20:111
11258991312,1cyclictest65850irq/126-lan09:35:181
11267991212,0cyclictest743-21snmpd10:57:492
11267991212,0cyclictest743-21snmpd10:53:282
11267991212,0cyclictest743-21snmpd10:11:012
11267991212,0cyclictest743-21snmpd09:42:032
11267991212,0cyclictest743-21snmpd08:50:142
11267991212,0cyclictest743-21snmpd08:06:412
11267991212,0cyclictest13525-21cat11:05:152
11258991212,0cyclictest65850irq/126-lan11:40:101
11258991212,0cyclictest65850irq/126-lan08:35:191
11258991212,0cyclictest65850irq/126-lan07:15:191
11258991211,1cyclictest65850irq/126-lan09:50:171
11258991211,1cyclictest65850irq/126-lan07:20:141
11267991111,0cyclictest743-21snmpd12:09:292
11267991111,0cyclictest743-21snmpd11:44:512
11267991111,0cyclictest743-21snmpd11:38:132
11267991111,0cyclictest743-21snmpd11:21:112
11267991111,0cyclictest743-21snmpd10:41:122
11267991111,0cyclictest743-21snmpd09:38:522
11267991111,0cyclictest743-21snmpd09:15:572
11267991111,0cyclictest743-21snmpd09:02:212
11267991111,0cyclictest743-21snmpd08:57:212
11267991111,0cyclictest743-21snmpd08:43:232
11267991111,0cyclictest743-21snmpd08:14:042
11267991111,0cyclictest743-21snmpd07:51:172
11267991111,0cyclictest743-21snmpd07:45:082
11267991111,0cyclictest16372-21cat07:20:132
11267991010,0cyclictest743-21snmpd12:34:432
11267991010,0cyclictest743-21snmpd07:35:282
11267991010,0cyclictest7069-21cat08:15:152
11267991010,0cyclictest28477-21cat10:25:142
11267991010,0cyclictest28477-21cat10:25:142
1125899109,1cyclictest65850irq/126-lan11:55:131
1125899109,1cyclictest65850irq/126-lan09:40:001
112749998,1cyclictest743-21snmpd09:49:353
112679999,0cyclictest743-21snmpd07:41:142
112679998,1cyclictest743-21snmpd11:10:072
112589998,1cyclictest65850irq/126-lan10:05:131
112589998,1cyclictest65850irq/126-lan08:00:011
112519998,1cyclictest743-21snmpd10:43:270
112749988,0cyclictest743-21snmpd12:30:493
112749988,0cyclictest743-21snmpd07:47:403
112749988,0cyclictest741-21lldpd09:37:143
112749987,1cyclictest743-21snmpd11:45:543
112749987,1cyclictest743-21snmpd07:20:383
112749986,2cyclictest743-21snmpd09:17:043
112749986,2cyclictest743-21snmpd09:06:113
112679988,0cyclictest743-21snmpd08:47:242
112679988,0cyclictest741-21lldpd12:11:442
112679988,0cyclictest741-21lldpd09:58:272
112679987,1cyclictest743-21snmpd09:31:102
112679986,2cyclictest743-21snmpd11:55:122
112679985,2cyclictest17845-21grep10:00:142
112589988,0cyclictest741-21lldpd07:40:101
112589988,0cyclictest65850irq/126-lan08:12:231
112519988,0cyclictest743-21snmpd12:27:010
112519988,0cyclictest743-21snmpd11:36:200
112519988,0cyclictest743-21snmpd08:13:010
112519988,0cyclictest741-21lldpd11:05:360
112519988,0cyclictest741-21lldpd09:45:460
112519988,0cyclictest741-21lldpd07:11:560
112519987,1cyclictest743-21snmpd12:04:000
112519987,1cyclictest743-21snmpd10:58:490
112519987,1cyclictest743-21snmpd07:55:570
112519987,1cyclictest741-21lldpd11:21:260
112519987,1cyclictest522-21avahi-daemon10:25:210
112519987,1cyclictest522-21avahi-daemon10:25:210
112519987,1cyclictest1383-21cpuspeed_turbos11:55:120
112519986,2cyclictest22395-21cat07:35:130
112749977,0cyclictest741-21lldpd12:23:073
112749977,0cyclictest741-21lldpd10:59:093
112749976,1cyclictest743-21snmpd08:20:283
112749976,1cyclictest31869-21fschecks_count11:50:133
112749975,2cyclictest743-21snmpd08:17:503
112749975,2cyclictest743-21snmpd08:03:273
112749975,2cyclictest743-21snmpd07:26:113
112749975,2cyclictest717-21ntpd08:30:113
112679977,0cyclictest522-21avahi-daemon10:16:032
112679976,1cyclictest506-21systemd-resolve11:03:542
112679976,1cyclictest28672-21kworker/2:1+events12:25:352
112679976,1cyclictest28672-21kworker/2:1+events09:22:232
112679975,2cyclictest32119-21cat11:50:142
112589975,2cyclictest743-21snmpd10:34:441
112519977,0cyclictest743-21snmpd12:21:010
112519977,0cyclictest743-21snmpd10:09:080
112519977,0cyclictest743-21snmpd09:50:080
112519977,0cyclictest743-21snmpd09:30:010
112519977,0cyclictest741-21lldpd12:32:500
112519977,0cyclictest741-21lldpd09:44:150
112519977,0cyclictest741-21lldpd09:08:190
112519977,0cyclictest506-21systemd-resolve07:20:320
112519976,1cyclictest8246-21nvmesmart_nvme012:10:170
112519976,1cyclictest743-21snmpd09:58:230
112519976,1cyclictest743-21snmpd09:22:400
112519976,1cyclictest741-21lldpd08:22:100
112519976,1cyclictest717-21ntpd11:30:140
112519976,1cyclictest522-21avahi-daemon07:47:190
112519976,1cyclictest27839-21fschecks_count11:40:110
112519976,1cyclictest14901-21fschecks_count08:35:120
112519975,2cyclictest743-21snmpd08:42:550
112519975,2cyclictest743-21snmpd08:06:020
112519975,2cyclictest743-21snmpd07:50:010
112519975,2cyclictest743-21snmpd07:27:530
112519975,2cyclictest743-21snmpd07:18:380
112519975,2cyclictest717-21ntpd10:30:000
112749966,0cyclictest743-21snmpd11:41:593
112749966,0cyclictest741-21lldpd12:00:163
112749966,0cyclictest741-21lldpd10:28:343
112749966,0cyclictest741-21lldpd10:28:343
112749966,0cyclictest741-21lldpd07:17:473
112749966,0cyclictest244-20systemd-journal12:10:273
112749965,1cyclictest743-21snmpd07:54:473
112749965,1cyclictest7115-21munin-plugin-st12:10:003
112749964,2cyclictest743-21snmpd11:20:053
112749962,3cyclictest14721-21apt-get08:35:103
112679966,0cyclictest741-21lldpd11:31:252
112679966,0cyclictest741-21lldpd10:47:242
112679966,0cyclictest741-21lldpd07:13:262
112679965,1cyclictest743-21snmpd08:22:372
112679965,1cyclictest741-21lldpd09:10:032
112679965,1cyclictest30971-21cat07:55:142
112679965,1cyclictest0-21swapper/211:50:002
112679964,2cyclictest743-21snmpd12:17:192
112679964,2cyclictest11916-21cat09:45:152
112679960,5cyclictest23404-21cat11:30:002
112519965,1cyclictest743-21snmpd12:09:450
112519965,1cyclictest743-21snmpd10:15:020
112519965,1cyclictest522-21avahi-daemon07:31:030
112519964,2cyclictest743-21snmpd12:37:010
112519964,2cyclictest743-21snmpd10:24:270
112519964,2cyclictest743-21snmpd10:24:270
112519964,2cyclictest3830-21cat09:25:140
112519963,2cyclictest7940-21grep08:15:210
112519963,0cyclictest12015-21sed08:25:200
112749955,0cyclictest743-21snmpd11:06:013
112749955,0cyclictest522-21avahi-daemon12:35:243
112749954,1cyclictest743-21snmpd10:14:283
112749952,3cyclictest717-21ntpd10:48:063
112749952,3cyclictest717-21ntpd09:58:033
112749952,3cyclictest32343-21perl10:35:133
112749952,3cyclictest25892-21perl11:35:143
112749952,2cyclictest26035-21apt-get10:20:123
112749952,2cyclictest26035-21apt-get10:20:113
112749952,2cyclictest24439-21ntpq11:30:173
112749952,2cyclictest244-20systemd-journal11:11:483
112749952,2cyclictest10347-21awk09:40:173
112749951,3cyclictest22265-21fw_packets07:35:133
112749951,3cyclictest11634-21memory11:00:153
112679955,0cyclictest741-21lldpd10:39:582
112679954,1cyclictest17979-21cpuspeed_turbos12:35:112
112679954,1cyclictest0-21swapper/208:30:132
112679953,2cyclictest717-21ntpd11:15:392
112679953,2cyclictest717-21ntpd09:28:032
112679953,2cyclictest717-21ntpd08:03:512
112679953,2cyclictest506-21systemd-resolve12:00:592
112679952,2cyclictest244-20systemd-journal12:20:042
112679952,2cyclictest18103-21df_inode07:25:122
112679952,2cyclictest14322-21ntp_states09:50:182
112679952,2cyclictest10876-21cut08:25:122
112679951,3cyclictest20477-21wc07:30:142
112679951,3cyclictest14051-21df_inode07:15:122
112519955,0cyclictest743-21snmpd11:46:270
112519955,0cyclictest741-21lldpd07:42:300
112519955,0cyclictest522-21avahi-daemon11:19:520
112519955,0cyclictest506-21systemd-resolve11:54:090
112519955,0cyclictest0-21swapper/010:40:010
112519954,1cyclictest522-21avahi-daemon11:00:060
112519954,1cyclictest522-21avahi-daemon10:10:170
112519954,1cyclictest27032-21users09:00:210
112519953,2cyclictest743-21snmpd10:45:030
112519953,2cyclictest7410-21apt09:35:120
112519952,3cyclictest31063-21users09:10:210
112519952,2cyclictest557-21NetworkManager09:17:220
112519952,2cyclictest244-20systemd-journal08:56:030
112519952,2cyclictest22385-21ld08:50:140
112519952,2cyclictest21249-21apt-config11:25:020
112519952,2cyclictest21070-21wc08:50:010
112519952,2cyclictest18279-21ld10:00:170
112519951,3cyclictest6464-21fw_forwarded_lo10:50:120
112749941,2cyclictest5379-21find09:30:113
112679943,1cyclictest30361-21gltestperf10:30:122
112679943,1cyclictest28672-21kworker/2:1+events08:35:182
112679942,2cyclictest717-21ntpd09:05:022
112679941,2cyclictest26036-21apt-get10:20:122
112679941,2cyclictest26036-21apt-get10:20:112
112679940,4cyclictest19546-21apt-get10:05:122
112519942,2cyclictest743-21snmpd08:34:050
112519942,0cyclictest0-21swapper/012:17:340
112519941,2cyclictest16106-21sendmail_mailqu11:10:190
112519940,3cyclictest1446-21ntp_states08:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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