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2026-07-06 - 17:38

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 Jul 06, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25467991919,0cyclictest65850irq/126-lan12:26:340
25467991918,1cyclictest65850irq/126-lan12:35:170
25467991817,1cyclictest65850irq/126-lan11:20:140
25467991817,1cyclictest65850irq/126-lan07:50:160
25467991817,1cyclictest65850irq/126-lan07:40:120
25475991717,0cyclictest743-21snmpd07:28:071
25467991717,0cyclictest65850irq/126-lan09:15:170
25467991716,1cyclictest65850irq/126-lan11:45:200
25467991716,1cyclictest65850irq/126-lan11:32:240
25467991716,1cyclictest65850irq/126-lan10:55:140
25467991716,1cyclictest65850irq/126-lan10:39:520
25467991716,1cyclictest65850irq/126-lan10:10:100
25467991716,1cyclictest65850irq/126-lan09:30:120
25467991716,1cyclictest65850irq/126-lan08:35:160
25467991716,1cyclictest65850irq/126-lan08:30:120
25467991716,1cyclictest65850irq/126-lan08:10:160
25467991616,0cyclictest65850irq/126-lan12:15:180
25467991616,0cyclictest65850irq/126-lan10:05:180
25467991616,0cyclictest65850irq/126-lan09:40:180
25467991616,0cyclictest65850irq/126-lan07:29:130
25467991615,1cyclictest65850irq/126-lan12:20:210
25467991615,1cyclictest65850irq/126-lan12:05:180
25467991615,1cyclictest65850irq/126-lan12:00:160
25467991615,1cyclictest65850irq/126-lan11:35:170
25467991615,1cyclictest65850irq/126-lan08:45:130
25467991615,1cyclictest65850irq/126-lan07:45:150
25467991515,0cyclictest65850irq/126-lan12:32:150
25467991515,0cyclictest65850irq/126-lan11:40:130
25467991515,0cyclictest65850irq/126-lan11:25:180
25467991515,0cyclictest65850irq/126-lan10:40:190
25467991515,0cyclictest65850irq/126-lan09:55:170
25467991515,0cyclictest65850irq/126-lan09:35:130
25467991515,0cyclictest65850irq/126-lan09:20:140
25467991515,0cyclictest65850irq/126-lan08:51:130
25467991515,0cyclictest65850irq/126-lan08:20:170
25467991515,0cyclictest65850irq/126-lan08:17:130
25467991514,1cyclictest65850irq/126-lan11:50:090
25467991514,1cyclictest65850irq/126-lan10:30:130
25467991514,1cyclictest65850irq/126-lan09:50:120
25467991514,1cyclictest65850irq/126-lan09:25:160
25467991514,1cyclictest65850irq/126-lan09:05:130
25467991414,0cyclictest65850irq/126-lan10:45:180
25467991414,0cyclictest65850irq/126-lan10:29:140
25467991414,0cyclictest65850irq/126-lan07:55:140
25467991413,1cyclictest65850irq/126-lan10:00:170
25467991413,1cyclictest65850irq/126-lan09:10:210
25467991413,1cyclictest65850irq/126-lan09:00:160
25467991413,1cyclictest65850irq/126-lan08:40:140
25467991413,1cyclictest65850irq/126-lan08:05:210
25467991413,1cyclictest65850irq/126-lan08:03:410
25475991313,0cyclictest743-21snmpd10:54:351
25475991313,0cyclictest743-21snmpd07:45:171
25475991313,0cyclictest743-21snmpd07:23:191
25467991313,0cyclictest65850irq/126-lan12:10:120
25467991313,0cyclictest65850irq/126-lan07:30:150
25467991313,0cyclictest65850irq/126-lan07:11:140
25475991212,0cyclictest743-21snmpd11:56:011
25475991212,0cyclictest743-21snmpd10:37:111
25475991212,0cyclictest743-21snmpd10:29:191
25475991212,0cyclictest743-21snmpd08:47:191
25475991212,0cyclictest743-21snmpd08:11:151
25475991212,0cyclictest743-21snmpd07:32:591
25475991212,0cyclictest15870-21cat12:00:171
25467991212,0cyclictest65850irq/126-lan11:10:190
25467991212,0cyclictest65850irq/126-lan07:24:510
25467991211,1cyclictest65850irq/126-lan11:05:120
25467991211,1cyclictest65850irq/126-lan10:20:010
25467991211,1cyclictest65850irq/126-lan07:35:190
25475991111,0cyclictest743-21snmpd12:22:301
25475991111,0cyclictest743-21snmpd11:14:271
25475991111,0cyclictest743-21snmpd11:00:061
25475991111,0cyclictest743-21snmpd10:07:551
25475991111,0cyclictest743-21snmpd09:56:331
25475991111,0cyclictest743-21snmpd09:46:311
25475991111,0cyclictest743-21snmpd08:29:541
25475991111,0cyclictest743-21snmpd08:09:461
25475991111,0cyclictest6703-21cat09:00:141
25475991111,0cyclictest11948-21cat07:55:161
25467991111,0cyclictest65850irq/126-lan08:25:160
25467991110,1cyclictest65850irq/126-lan11:55:140
25467991110,1cyclictest65850irq/126-lan11:19:150
25475991010,0cyclictest743-21snmpd11:31:471
25475991010,0cyclictest743-21snmpd09:54:421
2546799109,1cyclictest65850irq/126-lan11:00:130
2546799109,1cyclictest65850irq/126-lan10:50:170
2546799109,1cyclictest65850irq/126-lan08:55:160
25467991010,0cyclictest65850irq/126-lan07:15:120
254809998,1cyclictest743-21snmpd12:17:242
254809998,1cyclictest743-21snmpd11:31:142
254809998,1cyclictest743-21snmpd10:12:352
254809998,1cyclictest743-21snmpd07:52:092
254809998,1cyclictest741-21lldpd10:43:232
254759999,0cyclictest26038-21cat11:05:131
254759998,1cyclictest743-21snmpd10:20:521
254849988,0cyclictest743-21snmpd12:37:273
254849988,0cyclictest741-21lldpd11:39:093
254849988,0cyclictest741-21lldpd09:20:373
254849988,0cyclictest741-21lldpd07:29:303
254849987,1cyclictest743-21snmpd11:19:583
254849987,1cyclictest743-21snmpd09:51:213
254849987,1cyclictest743-21snmpd09:15:053
254849987,1cyclictest741-21lldpd08:31:533
254849987,1cyclictest522-21avahi-daemon07:35:243
254849986,2cyclictest743-21snmpd12:06:413
254849986,2cyclictest743-21snmpd11:32:353
254849986,2cyclictest743-21snmpd09:14:183
254809988,0cyclictest743-21snmpd11:09:572
254809988,0cyclictest743-21snmpd09:03:102
254809988,0cyclictest741-21lldpd09:49:392
254809988,0cyclictest741-21lldpd09:43:582
254809988,0cyclictest741-21lldpd08:37:362
254809987,1cyclictest743-21snmpd11:40:402
254809987,1cyclictest743-21snmpd09:24:502
254809987,1cyclictest743-21snmpd08:01:592
254809987,1cyclictest743-21snmpd07:27:132
254809987,1cyclictest741-21lldpd10:33:112
254809986,2cyclictest743-21snmpd12:37:012
254809986,2cyclictest743-21snmpd10:22:342
254809986,2cyclictest743-21snmpd10:07:252
254809986,2cyclictest743-21snmpd09:57:402
254809986,2cyclictest743-21snmpd09:25:392
254809986,2cyclictest743-21snmpd09:07:192
254809986,2cyclictest743-21snmpd08:33:182
254809986,2cyclictest743-21snmpd08:23:462
254809986,2cyclictest743-21snmpd07:10:162
254809985,3cyclictest743-21snmpd10:57:512
254759988,0cyclictest743-21snmpd12:31:161
254759988,0cyclictest743-21snmpd09:29:481
254759988,0cyclictest743-21snmpd09:08:311
254759988,0cyclictest743-21snmpd08:20:371
254759987,1cyclictest743-21snmpd10:58:141
254759987,1cyclictest743-21snmpd08:18:361
254759987,1cyclictest741-21lldpd11:49:301
254759986,2cyclictest743-21snmpd11:40:461
254759986,2cyclictest743-21snmpd09:44:581
254679987,1cyclictest65850irq/126-lan10:20:140
254679986,2cyclictest743-21snmpd09:48:190
254849977,0cyclictest743-21snmpd11:05:273
254849977,0cyclictest743-21snmpd08:40:133
254849977,0cyclictest743-21snmpd07:55:563
254849977,0cyclictest743-21snmpd07:46:063
254849977,0cyclictest741-21lldpd12:33:333
254849977,0cyclictest741-21lldpd12:04:263
254849977,0cyclictest741-21lldpd10:42:473
254849977,0cyclictest741-21lldpd10:21:103
254849977,0cyclictest741-21lldpd08:05:303
254849976,1cyclictest743-21snmpd12:12:323
254849976,1cyclictest743-21snmpd11:55:433
254849976,1cyclictest743-21snmpd08:45:433
254849976,1cyclictest743-21snmpd07:14:103
254849976,1cyclictest741-21lldpd09:41:363
254849976,1cyclictest522-21avahi-daemon12:25:253
254849976,1cyclictest21094-21gltestperf09:35:123
254849975,2cyclictest743-21snmpd11:40:083
254849975,2cyclictest743-21snmpd10:13:113
254849975,2cyclictest743-21snmpd09:56:043
254849975,2cyclictest743-21snmpd09:27:333
254849975,2cyclictest743-21snmpd08:58:073
254849975,2cyclictest743-21snmpd08:37:133
254849973,3cyclictest517-21grep11:20:203
254809977,0cyclictest743-21snmpd12:06:322
254809977,0cyclictest743-21snmpd12:03:572
254809977,0cyclictest743-21snmpd10:16:342
254809977,0cyclictest743-21snmpd08:25:422
254809977,0cyclictest741-21lldpd08:55:112
254809976,1cyclictest743-21snmpd12:26:062
254809976,1cyclictest743-21snmpd11:47:292
254809976,1cyclictest743-21snmpd10:37:052
254809976,1cyclictest743-21snmpd09:13:332
254809976,1cyclictest743-21snmpd08:13:422
254809976,1cyclictest13479-21cpuspeed_turbos11:55:132
254809976,1cyclictest0-21swapper/207:20:102
254809975,2cyclictest743-21snmpd11:10:092
254809975,2cyclictest743-21snmpd08:48:102
254809975,2cyclictest743-21snmpd08:41:582
254759977,0cyclictest743-21snmpd12:36:521
254759977,0cyclictest743-21snmpd11:36:401
254759977,0cyclictest743-21snmpd10:46:031
254759977,0cyclictest743-21snmpd10:32:411
254759977,0cyclictest741-21lldpd11:15:401
254759977,0cyclictest741-21lldpd09:32:451
254759977,0cyclictest741-21lldpd07:44:231
254759976,1cyclictest14961-21fschecks_count09:20:131
254759975,2cyclictest743-21snmpd10:00:431
254759975,2cyclictest743-21snmpd08:58:141
254759973,3cyclictest29993-21perl08:40:141
254849966,0cyclictest741-21lldpd07:31:003
254849965,1cyclictest743-21snmpd10:05:213
254849965,1cyclictest743-21snmpd08:03:143
254849965,1cyclictest522-21avahi-daemon10:19:313
254849964,2cyclictest743-21snmpd11:00:363
254849964,2cyclictest743-21snmpd10:56:243
254849962,3cyclictest28873-21grep11:10:213
254809966,0cyclictest743-21snmpd08:07:192
254809966,0cyclictest741-21lldpd09:32:432
254809966,0cyclictest522-21avahi-daemon08:16:002
254809965,1cyclictest743-21snmpd11:03:282
254809965,1cyclictest743-21snmpd07:33:322
254809965,1cyclictest522-21avahi-daemon12:30:342
254809964,2cyclictest743-21snmpd12:13:172
254809964,2cyclictest743-21snmpd10:00:152
254809964,2cyclictest743-21snmpd07:36:352
254809963,3cyclictest32016-21grep11:20:132
254809963,2cyclictest575-21rs:main2
254809962,3cyclictest18441-21sed10:45:212
254759966,0cyclictest741-21lldpd11:21:171
254759966,0cyclictest741-21lldpd09:35:431
254759966,0cyclictest741-21lldpd07:36:221
254759965,1cyclictest17523-21cpuspeed_turbos12:05:141
254759964,2cyclictest743-21snmpd10:11:321
254759963,3cyclictest6017-21sensors_temp10:15:191
254849955,0cyclictest244-20systemd-journal11:47:593
254849952,3cyclictest743-21snmpd09:31:143
254849952,3cyclictest743-21snmpd08:27:453
254849952,3cyclictest557-21NetworkManager08:21:073
254849952,2cyclictest6319-21sh07:40:173
254849952,2cyclictest244-20systemd-journal10:03:353
254849952,2cyclictest244-20systemd-journal09:49:123
254849952,2cyclictest19954-21grep08:15:153
254849952,2cyclictest10835-21sed07:50:213
254849951,3cyclictest30152-21iwlist07:20:123
254849951,3cyclictest27977-21fw_packets07:15:163
254849950,4cyclictest7046-21ntpq09:00:163
254849950,4cyclictest13231-21diskstats10:35:113
254849950,4cyclictest12112-21ntpq11:50:133
254849950,2cyclictest1752950/usr/sbin/munin08:10:113
254809955,0cyclictest522-21avahi-daemon09:18:422
254809954,1cyclictest522-21avahi-daemon09:50:182
254809953,2cyclictest743-21snmpd11:36:282
254809953,2cyclictest743-21snmpd10:27:352
254809953,2cyclictest743-21snmpd07:56:592
254809953,2cyclictest743-21snmpd07:46:172
254809952,3cyclictest19839-21fw_conntrack10:50:142
254809952,2cyclictest30952-21grep11:15:192
254809952,2cyclictest2442-21timerandwakeup11:25:212
254809952,2cyclictest244-20systemd-journal07:42:182
254809951,3cyclictest3328-21seq08:52:362
254759955,0cyclictest522-21avahi-daemon08:53:291
254759954,1cyclictest743-21snmpd12:14:141
254759954,1cyclictest743-21snmpd08:30:001
254759953,2cyclictest743-21snmpd07:19:071
254759953,2cyclictest717-21ntpd09:10:201
254759953,2cyclictest717-21ntpd08:03:181
254759953,2cyclictest25964-21cat12:25:141
254759952,2cyclictest12680-21sh09:15:131
254759951,3cyclictest15072-21find10:40:101
254849943,1cyclictest511ktimers/312:15:013
254849942,2cyclictest9281-21cut10:25:153
254849942,2cyclictest8817-21cat09:05:143
254849942,2cyclictest743-21snmpd08:50:083
254849941,2cyclictest23878-21cut12:20:133
254849941,2cyclictest19354-21apt-config10:50:003
254849941,2cyclictest1765-21uname11:25:163
254849940,4cyclictest17372-21perl10:45:123
254849940,4cyclictest11807-21ntpq10:30:173
254809942,2cyclictest244-20systemd-journal11:50:182
254809941,2cyclictest28554-21smartctl07:15:202
254809940,3cyclictest24227-21ntpq12:20:162
254759942,2cyclictest717-21ntpd07:10:191
254759942,2cyclictest28911-21sed08:35:221
254759942,2cyclictest11407-21grep11:50:101
254759940,4cyclictest22322-21ntpq12:15:181
254759940,4cyclictest2039-21ntpq11:25:171
254759940,4cyclictest10258-21ntpq07:50:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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