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2026-03-31 - 00:43

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 all highest latencies:
System rack8slot6s.osadl.org (updated Mon Mar 30, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18043992019,1cyclictest65850irq/126-lan12:16:553
18043991918,1cyclictest65850irq/126-lan09:15:163
18043991817,1cyclictest65850irq/126-lan11:20:213
18043991817,1cyclictest65850irq/126-lan11:10:213
18043991817,1cyclictest65850irq/126-lan09:00:203
18034991818,0cyclictest743-21snmpd08:55:561
18034991818,0cyclictest743-21snmpd07:11:221
18043991717,0cyclictest65850irq/126-lan12:10:223
18043991717,0cyclictest65850irq/126-lan08:20:173
18043991717,0cyclictest65850irq/126-lan07:59:293
18043991717,0cyclictest65850irq/126-lan07:47:323
18043991716,1cyclictest65850irq/126-lan11:45:153
18043991716,1cyclictest65850irq/126-lan11:05:183
18043991716,1cyclictest65850irq/126-lan10:35:153
18043991716,1cyclictest65850irq/126-lan10:20:113
18043991716,1cyclictest65850irq/126-lan09:05:173
18043991716,1cyclictest65850irq/126-lan07:20:173
18034991717,0cyclictest743-21snmpd11:54:181
18034991717,0cyclictest31244-21cat07:40:151
18034991717,0cyclictest17351-21cat12:20:131
18034991717,0cyclictest13773-21cat09:35:131
18043991616,0cyclictest65850irq/126-lan12:29:363
18043991616,0cyclictest65850irq/126-lan10:56:363
18043991616,0cyclictest65850irq/126-lan08:40:153
18043991616,0cyclictest65850irq/126-lan08:12:373
18043991616,0cyclictest65850irq/126-lan07:54:333
18043991616,0cyclictest65850irq/126-lan07:10:263
18043991615,1cyclictest65850irq/126-lan11:50:223
18043991615,1cyclictest65850irq/126-lan10:50:133
18043991615,1cyclictest65850irq/126-lan10:40:113
18043991615,1cyclictest65850irq/126-lan10:30:183
18043991615,1cyclictest65850irq/126-lan09:50:163
18043991615,1cyclictest65850irq/126-lan09:40:113
18043991615,1cyclictest65850irq/126-lan09:38:243
18043991615,1cyclictest65850irq/126-lan08:00:143
18043991615,1cyclictest65850irq/126-lan07:35:163
18043991615,1cyclictest65850irq/126-lan07:30:173
18043991515,0cyclictest65850irq/126-lan12:00:153
18043991515,0cyclictest65850irq/126-lan10:29:453
18043991514,1cyclictest65850irq/126-lan12:35:133
18043991514,1cyclictest65850irq/126-lan12:20:173
18043991514,1cyclictest65850irq/126-lan11:26:383
18043991514,1cyclictest65850irq/126-lan11:00:183
18043991514,1cyclictest65850irq/126-lan10:15:013
18043991514,1cyclictest65850irq/126-lan09:55:173
18043991514,1cyclictest65850irq/126-lan08:30:133
18034991515,0cyclictest743-21snmpd12:38:011
18043991414,0cyclictest65850irq/126-lan11:33:243
18043991414,0cyclictest65850irq/126-lan10:09:593
18043991414,0cyclictest65850irq/126-lan09:10:123
18043991414,0cyclictest65850irq/126-lan07:25:183
18043991413,1cyclictest65850irq/126-lan10:00:153
18043991413,1cyclictest65850irq/126-lan09:25:133
18043991413,1cyclictest65850irq/126-lan09:20:123
18043991413,1cyclictest65850irq/126-lan08:05:183
18043991413,1cyclictest65850irq/126-lan07:15:223
18043991313,0cyclictest65850irq/126-lan12:05:143
18043991313,0cyclictest65850irq/126-lan10:45:153
18043991313,0cyclictest65850irq/126-lan08:45:123
18043991313,0cyclictest65850irq/126-lan07:40:183
18043991312,1cyclictest65850irq/126-lan12:30:213
18043991312,1cyclictest65850irq/126-lan11:35:173
18043991312,1cyclictest65850irq/126-lan11:15:183
18043991312,1cyclictest65850irq/126-lan08:55:193
18034991313,0cyclictest743-21snmpd09:47:181
18043991212,0cyclictest65850irq/126-lan08:35:173
18043991212,0cyclictest65850irq/126-lan08:25:153
18043991212,0cyclictest65850irq/126-lan08:15:203
18043991211,1cyclictest65850irq/126-lan09:45:173
18043991211,1cyclictest65850irq/126-lan09:30:143
18043991110,1cyclictest65850irq/126-lan10:09:363
1804399109,1cyclictest65850irq/126-lan08:50:133
180349998,1cyclictest741-21lldpd11:05:151
180319998,1cyclictest743-21snmpd11:26:060
180439987,1cyclictest65850irq/126-lan11:55:153
180399988,0cyclictest743-21snmpd09:53:132
180399988,0cyclictest741-21lldpd10:40:562
180399988,0cyclictest741-21lldpd09:59:052
180399988,0cyclictest741-21lldpd09:45:582
180399988,0cyclictest741-21lldpd09:31:222
180399988,0cyclictest741-21lldpd09:15:492
180399987,1cyclictest743-21snmpd12:19:262
180399987,1cyclictest743-21snmpd11:39:032
180399987,1cyclictest743-21snmpd11:29:512
180399987,1cyclictest743-21snmpd10:37:232
180399987,1cyclictest743-21snmpd09:24:442
180399987,1cyclictest743-21snmpd07:24:202
180399987,1cyclictest741-21lldpd07:42:482
180399986,2cyclictest743-21snmpd10:19:072
180399986,2cyclictest743-21snmpd09:27:122
180399986,2cyclictest743-21snmpd07:25:462
180349988,0cyclictest743-21snmpd08:36:031
180349988,0cyclictest741-21lldpd12:01:541
180349988,0cyclictest741-21lldpd10:31:211
180349988,0cyclictest741-21lldpd07:27:441
180349987,1cyclictest743-21snmpd09:19:571
180349986,2cyclictest743-21snmpd09:32:481
180319988,0cyclictest743-21snmpd11:11:320
180319988,0cyclictest743-21snmpd10:26:160
180319988,0cyclictest741-21lldpd10:42:450
180319988,0cyclictest741-21lldpd10:18:400
180319988,0cyclictest741-21lldpd09:14:280
180319988,0cyclictest741-21lldpd08:13:250
180319988,0cyclictest741-21lldpd07:45:350
180319987,1cyclictest743-21snmpd07:51:200
180319986,2cyclictest743-21snmpd12:10:400
180319986,2cyclictest743-21snmpd09:26:530
180319986,2cyclictest743-21snmpd08:20:210
180319984,3cyclictest6648-21df08:00:120
180439975,2cyclictest743-21snmpd11:41:393
180399977,0cyclictest741-21lldpd12:37:352
180399977,0cyclictest741-21lldpd11:09:172
180399977,0cyclictest741-21lldpd09:08:342
180399977,0cyclictest741-21lldpd08:35:082
180399977,0cyclictest741-21lldpd08:23:402
180399977,0cyclictest741-21lldpd08:06:482
180399977,0cyclictest741-21lldpd07:13:172
180399977,0cyclictest522-21avahi-daemon10:29:572
180399977,0cyclictest506-21systemd-resolve12:00:132
180399976,1cyclictest743-21snmpd12:29:352
180399976,1cyclictest743-21snmpd11:56:552
180399976,1cyclictest743-21snmpd11:40:422
180399976,1cyclictest743-21snmpd11:03:172
180399976,1cyclictest743-21snmpd10:57:412
180399976,1cyclictest741-21lldpd09:00:072
180399976,1cyclictest522-21avahi-daemon11:20:522
180399976,1cyclictest436-21cpuspeed_turbos07:45:112
180399976,1cyclictest18684-21cpuspeed_turbos08:30:122
180399976,1cyclictest16791-21fschecks_count08:25:112
180399976,1cyclictest12611-21cpuspeed_turbos08:15:112
180399975,2cyclictest743-21snmpd12:05:072
180399975,2cyclictest743-21snmpd09:12:412
180399975,2cyclictest743-21snmpd08:49:052
180399975,2cyclictest743-21snmpd07:31:282
180399975,2cyclictest21099-21cat07:15:142
180399974,3cyclictest743-21snmpd08:42:112
180399974,2cyclictest743-21snmpd11:50:102
180349977,0cyclictest743-21snmpd12:28:021
180349977,0cyclictest741-21lldpd11:15:001
180349977,0cyclictest741-21lldpd11:13:391
180349977,0cyclictest741-21lldpd08:09:091
180349977,0cyclictest522-21avahi-daemon09:26:021
180349976,1cyclictest743-21snmpd11:25:151
180349976,1cyclictest358-21nvmesmart_nvme010:20:161
180349975,2cyclictest743-21snmpd09:05:191
180349975,2cyclictest743-21snmpd09:04:411
180319977,0cyclictest741-21lldpd11:40:040
180319977,0cyclictest741-21lldpd09:59:550
180319977,0cyclictest741-21lldpd09:37:340
180319977,0cyclictest741-21lldpd09:30:320
180319977,0cyclictest741-21lldpd09:04:290
180319977,0cyclictest741-21lldpd07:59:300
180319976,1cyclictest743-21snmpd12:37:230
180319976,1cyclictest743-21snmpd12:02:310
180319976,1cyclictest743-21snmpd11:50:450
180319976,1cyclictest741-21lldpd10:23:160
180319976,1cyclictest522-21avahi-daemon08:50:470
180319976,1cyclictest506-21systemd-resolve12:19:190
180319976,1cyclictest31375-21fschecks_time11:35:130
180319975,2cyclictest743-21snmpd12:23:520
180319975,2cyclictest743-21snmpd10:50:020
180319974,3cyclictest28333-21ntp_states10:10:170
180399966,0cyclictest741-21lldpd10:03:482
180399966,0cyclictest741-21lldpd09:41:522
180399965,1cyclictest743-21snmpd12:30:352
180399965,1cyclictest743-21snmpd10:23:372
180399965,1cyclictest743-21snmpd07:50:302
180399964,2cyclictest743-21snmpd12:22:012
180399964,2cyclictest743-21snmpd08:10:042
180399964,2cyclictest717-21ntpd11:30:112
180399964,2cyclictest717-21ntpd11:15:012
180399964,2cyclictest717-21ntpd08:51:422
180349966,0cyclictest743-21snmpd08:45:081
180349966,0cyclictest743-21snmpd08:18:511
180349966,0cyclictest743-21snmpd07:23:201
180349966,0cyclictest741-21lldpd12:15:141
180349966,0cyclictest741-21lldpd11:47:461
180349966,0cyclictest741-21lldpd11:00:241
180349966,0cyclictest741-21lldpd10:51:111
180349966,0cyclictest741-21lldpd10:09:181
180349966,0cyclictest741-21lldpd09:53:321
180349966,0cyclictest741-21lldpd09:10:491
180349966,0cyclictest741-21lldpd08:01:451
180349966,0cyclictest573-21in:imuxsock08:52:491
180349965,1cyclictest743-21snmpd10:57:051
180349965,1cyclictest743-21snmpd10:49:441
180349965,1cyclictest743-21snmpd09:44:501
180349965,1cyclictest743-21snmpd08:12:371
180349965,1cyclictest4760-21gltestperf07:55:151
180349964,2cyclictest743-21snmpd12:34:051
180349964,2cyclictest743-21snmpd10:15:311
180349962,3cyclictest5842-21cut10:35:131
180349960,3cyclictest33181munin-run10:29:591
180319966,0cyclictest743-21snmpd11:22:030
180319966,0cyclictest743-21snmpd11:16:110
180319966,0cyclictest743-21snmpd07:44:270
180319966,0cyclictest741-21lldpd11:05:090
180319966,0cyclictest522-21avahi-daemon08:57:240
180319966,0cyclictest522-21avahi-daemon07:37:370
180319965,1cyclictest743-21snmpd09:21:390
180319965,1cyclictest743-21snmpd08:18:310
180319965,1cyclictest741-21lldpd08:40:130
180319965,1cyclictest522-21avahi-daemon09:08:570
180319965,1cyclictest26792-21cpuspeed_turbos07:30:110
180319965,1cyclictest16995-21cat11:00:130
180319964,2cyclictest743-21snmpd11:33:060
180319964,2cyclictest743-21snmpd10:49:160
180319964,2cyclictest743-21snmpd07:18:100
180319964,2cyclictest15807-21cat09:40:120
180399955,0cyclictest741-21lldpd07:57:402
180399954,1cyclictest743-21snmpd12:10:372
180399952,3cyclictest9750-21awk10:45:002
180399952,3cyclictest743-21snmpd10:09:162
180399952,3cyclictest21596-21sed11:10:152
180399952,2cyclictest717-21ntpd08:00:022
180399952,2cyclictest4257-21seq11:46:562
180399951,3cyclictest4260-21cut10:30:162
180399951,3cyclictest28998-21grep07:35:142
180349955,0cyclictest741-21lldpd08:32:091
180349955,0cyclictest741-21lldpd07:39:261
180349954,1cyclictest8017-21ntpq09:20:161
180349954,1cyclictest743-21snmpd11:32:591
180349953,2cyclictest7234-21cat11:55:161
180349952,3cyclictest13016-21df_inode12:10:131
180349952,2cyclictest575-21rs:main1
180349952,2cyclictest27701-21cut07:30:171
180349952,2cyclictest22960-21grep08:40:131
180349952,0cyclictest191rcu_preempt11:40:151
180349951,3cyclictest23396-21sed09:59:591
180349951,3cyclictest17626-21sensors08:25:181
180349950,2cyclictest32767-21chrt11:39:001
180319955,0cyclictest741-21lldpd10:35:310
180319955,0cyclictest522-21avahi-daemon08:26:260
180319954,1cyclictest522-21avahi-daemon09:50:590
180319954,1cyclictest21377-21ntpq08:35:150
180319953,2cyclictest743-21snmpd12:31:200
180319953,2cyclictest557-21NetworkManager10:30:220
180319952,3cyclictest557-21NetworkManager08:06:240
180319951,3cyclictest23750-21fw_packets10:00:120
180319950,5cyclictest557-21NetworkManager08:33:400
180319950,5cyclictest0-21swapper/010:55:180
180399943,1cyclictest12171-21cpuspeed_turbos10:50:132
180399942,2cyclictest717-21ntpd08:55:012
180399940,4cyclictest28344-21ntpq10:10:172
180399940,2cyclictest13456-21tr09:35:102
180349944,0cyclictest24023-21kworker/u16:0-ext4-rsv-conversion10:40:201
180349942,2cyclictest20854-21cut07:15:131
180349941,2cyclictest23546-21cut10:00:111
180349941,2cyclictest1522-21cat07:45:201
180349941,2cyclictest10842-21apt-get12:05:121
180349940,4cyclictest25839-21ntpq11:20:161
180349940,2cyclictest14941-21tail08:20:131
180319941,2cyclictest4959-21tr09:15:120
180319941,2cyclictest24723-21awk08:45:120
180319941,2cyclictest22694-21apt-get07:20:130
180319941,2cyclictest20202-21grep12:25:220
180319940,4cyclictest557-21NetworkManager10:09:390
180319940,4cyclictest25471-21ntpq07:25:150
180319940,4cyclictest19077-21ntpq07:10:220
180319940,3cyclictest6789-21apt-get11:55:130
180319940,3cyclictest3062-21fw_forwarded_lo11:45:160
180319940,3cyclictest17686-21fw_forwarded_lo09:45:150
180319940,3cyclictest11133-21fw_conntrack12:05:130
180349932,1cyclictest321rcuc/107:50:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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