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2026-03-14 - 21:32

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 Sat Mar 14, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18268992019,1cyclictest65850irq/126-lan11:34:223
18268991918,1cyclictest65850irq/126-lan11:15:113
18263991918,1cyclictest65850irq/126-lan07:45:252
18268991817,1cyclictest65850irq/126-lan12:30:103
18268991817,1cyclictest65850irq/126-lan10:05:133
18263991817,1cyclictest65850irq/126-lan09:40:002
18268991717,0cyclictest65850irq/126-lan10:36:233
18268991716,1cyclictest65850irq/126-lan12:25:143
18268991716,1cyclictest65850irq/126-lan12:15:133
18268991716,1cyclictest65850irq/126-lan12:10:203
18268991716,1cyclictest65850irq/126-lan10:30:013
18268991716,1cyclictest65850irq/126-lan09:45:133
18263991717,0cyclictest65850irq/126-lan08:40:152
18263991716,1cyclictest65850irq/126-lan09:05:132
18263991716,1cyclictest65850irq/126-lan07:30:122
18268991616,0cyclictest65850irq/126-lan12:20:173
18268991616,0cyclictest65850irq/126-lan10:10:183
18268991616,0cyclictest65850irq/126-lan10:02:193
18268991615,1cyclictest65850irq/126-lan12:00:153
18268991615,1cyclictest65850irq/126-lan10:40:183
18268991615,1cyclictest65850irq/126-lan10:25:173
18268991615,1cyclictest65850irq/126-lan10:15:163
18263991616,0cyclictest65850irq/126-lan08:50:102
18263991616,0cyclictest65850irq/126-lan08:20:172
18263991615,1cyclictest65850irq/126-lan09:15:202
18263991615,1cyclictest65850irq/126-lan08:15:192
18263991615,1cyclictest65850irq/126-lan08:00:142
18263991615,1cyclictest65850irq/126-lan07:55:152
18268991515,0cyclictest65850irq/126-lan10:22:203
18268991515,0cyclictest65850irq/126-lan10:22:203
18268991515,0cyclictest65850irq/126-lan09:45:013
18268991514,1cyclictest65850irq/126-lan12:05:153
18268991514,1cyclictest65850irq/126-lan11:25:223
18263991515,0cyclictest65850irq/126-lan07:50:122
18263991514,1cyclictest65850irq/126-lan09:30:202
18263991514,1cyclictest65850irq/126-lan09:20:112
18263991514,1cyclictest65850irq/126-lan09:10:132
18263991514,1cyclictest65850irq/126-lan08:10:152
18268991414,0cyclictest65850irq/126-lan11:51:203
18268991413,1cyclictest65850irq/126-lan11:10:143
18268991413,1cyclictest65850irq/126-lan10:50:193
18263991414,0cyclictest65850irq/126-lan07:25:162
18263991414,0cyclictest65850irq/126-lan07:15:132
18263991413,1cyclictest65850irq/126-lan08:25:192
18263991413,1cyclictest65850irq/126-lan08:05:132
18263991413,1cyclictest65850irq/126-lan07:20:132
18268991313,0cyclictest65850irq/126-lan11:55:173
18268991313,0cyclictest65850irq/126-lan09:55:163
18268991312,1cyclictest65850irq/126-lan10:55:123
18268991312,1cyclictest65850irq/126-lan09:50:103
18263991313,0cyclictest65850irq/126-lan09:35:042
18263991313,0cyclictest65850irq/126-lan08:55:162
18263991312,1cyclictest65850irq/126-lan09:00:152
18263991312,1cyclictest65850irq/126-lan08:30:162
18268991211,1cyclictest65850irq/126-lan11:35:123
18268991211,1cyclictest65850irq/126-lan11:00:173
18263991212,0cyclictest65850irq/126-lan08:35:112
18268991111,0cyclictest65850irq/126-lan11:20:123
18263991110,1cyclictest65850irq/126-lan07:10:162
1826899109,1cyclictest522-21avahi-daemon09:10:173
18268991010,0cyclictest65850irq/126-lan12:35:173
1826399109,1cyclictest65850irq/126-lan09:28:202
1826399109,1cyclictest65850irq/126-lan08:46:202
18263991010,0cyclictest65850irq/126-lan07:35:182
182689998,1cyclictest743-21snmpd10:45:313
182689998,1cyclictest743-21snmpd08:15:383
182689998,1cyclictest743-21snmpd07:33:073
182689998,1cyclictest743-21snmpd07:18:393
182689998,1cyclictest65850irq/126-lan11:45:103
182689996,3cyclictest717-21ntpd07:49:103
182689996,3cyclictest717-21ntpd07:37:483
182639998,1cyclictest743-21snmpd10:30:252
182599998,1cyclictest743-21snmpd10:44:021
182539998,1cyclictest743-21snmpd12:23:130
182689988,0cyclictest741-21lldpd08:50:503
182689988,0cyclictest522-21avahi-daemon08:55:163
182689987,1cyclictest743-21snmpd09:20:293
182689987,1cyclictest65850irq/126-lan11:09:203
182689986,2cyclictest743-21snmpd08:47:433
182689986,2cyclictest717-21ntpd09:30:283
182689986,2cyclictest717-21ntpd09:26:053
182689986,2cyclictest717-21ntpd09:15:433
182689986,2cyclictest717-21ntpd09:02:113
182689986,2cyclictest717-21ntpd08:06:063
182689986,2cyclictest717-21ntpd08:02:463
182689985,3cyclictest717-21ntpd08:20:033
182689985,2cyclictest743-21snmpd08:10:113
182639988,0cyclictest743-21snmpd12:34:502
182639988,0cyclictest743-21snmpd11:19:542
182639988,0cyclictest743-21snmpd10:05:212
182639988,0cyclictest743-21snmpd09:50:332
182639987,1cyclictest743-21snmpd10:42:382
182639987,1cyclictest522-21avahi-daemon11:45:162
182639987,1cyclictest20638-21ntp_kernel_pll_11:10:162
182639986,2cyclictest743-21snmpd12:05:462
182639986,2cyclictest743-21snmpd09:59:452
182639986,2cyclictest717-21ntpd11:42:232
182639986,2cyclictest717-21ntpd11:35:442
182639986,2cyclictest717-21ntpd10:25:302
182599988,0cyclictest743-21snmpd10:57:331
182599988,0cyclictest743-21snmpd07:12:571
182599988,0cyclictest741-21lldpd12:20:151
182599988,0cyclictest741-21lldpd10:38:541
182599988,0cyclictest741-21lldpd10:33:481
182599988,0cyclictest741-21lldpd09:05:071
182599988,0cyclictest741-21lldpd08:37:541
182599988,0cyclictest741-21lldpd07:50:191
182599988,0cyclictest741-21lldpd07:40:241
182599987,1cyclictest743-21snmpd11:10:361
182599987,1cyclictest741-21lldpd09:16:271
182599986,2cyclictest743-21snmpd10:27:171
182539988,0cyclictest743-21snmpd09:50:150
182539988,0cyclictest743-21snmpd09:05:280
182539988,0cyclictest743-21snmpd07:46:130
182539988,0cyclictest741-21lldpd11:51:290
182539988,0cyclictest741-21lldpd07:33:390
182539987,1cyclictest743-21snmpd12:30:480
182539987,1cyclictest743-21snmpd11:58:140
182539987,1cyclictest743-21snmpd10:36:190
182539987,1cyclictest743-21snmpd09:11:580
182539987,1cyclictest743-21snmpd07:59:140
182539987,1cyclictest743-21snmpd07:27:370
182539987,1cyclictest741-21lldpd09:03:540
182539987,1cyclictest741-21lldpd08:59:380
182539986,2cyclictest743-21snmpd12:18:200
182539986,2cyclictest743-21snmpd11:47:060
182539986,2cyclictest743-21snmpd11:41:340
182539986,2cyclictest743-21snmpd11:03:140
182539986,2cyclictest743-21snmpd10:00:040
182539986,2cyclictest743-21snmpd09:31:000
182539986,2cyclictest743-21snmpd09:17:560
182689977,0cyclictest743-21snmpd07:25:583
182689975,2cyclictest717-21ntpd09:05:033
182689975,2cyclictest717-21ntpd07:50:423
182689973,3cyclictest19275-21ntp_states07:10:163
182639977,0cyclictest743-21snmpd12:15:402
182639977,0cyclictest743-21snmpd10:24:552
182639977,0cyclictest743-21snmpd10:24:552
182639977,0cyclictest522-21avahi-daemon12:24:162
182639977,0cyclictest522-21avahi-daemon11:05:172
182639976,1cyclictest743-21snmpd11:25:102
182639976,1cyclictest717-21ntpd11:31:002
182639976,1cyclictest23685-21cpuspeed_turbos10:00:122
182639976,1cyclictest17846-21gltestperf09:45:122
182639975,2cyclictest743-21snmpd12:35:202
182639975,2cyclictest743-21snmpd10:59:092
182639975,2cyclictest717-21ntpd12:25:592
182639975,2cyclictest717-21ntpd10:13:222
182599977,0cyclictest743-21snmpd11:27:161
182599977,0cyclictest743-21snmpd11:04:441
182599977,0cyclictest743-21snmpd10:09:571
182599977,0cyclictest743-21snmpd09:35:321
182599977,0cyclictest743-21snmpd08:46:061
182599977,0cyclictest741-21lldpd10:54:501
182599977,0cyclictest741-21lldpd10:02:181
182599977,0cyclictest741-21lldpd09:42:071
182599977,0cyclictest741-21lldpd09:11:571
182599977,0cyclictest741-21lldpd08:11:281
182599977,0cyclictest741-21lldpd08:09:001
182599977,0cyclictest741-21lldpd07:35:151
182599977,0cyclictest741-21lldpd07:30:211
182599976,1cyclictest743-21snmpd11:57:591
182599976,1cyclictest743-21snmpd11:35:091
182599976,1cyclictest743-21snmpd10:22:401
182599976,1cyclictest743-21snmpd10:22:401
182599976,1cyclictest743-21snmpd08:43:541
182599975,2cyclictest743-21snmpd12:32:231
182599975,2cyclictest743-21snmpd08:17:481
182599975,2cyclictest743-21snmpd07:46:551
182539977,0cyclictest743-21snmpd10:10:090
182539977,0cyclictest743-21snmpd09:59:060
182539977,0cyclictest743-21snmpd08:38:360
182539977,0cyclictest743-21snmpd08:31:030
182539977,0cyclictest741-21lldpd10:30:480
182539977,0cyclictest741-21lldpd09:28:110
182539977,0cyclictest741-21lldpd08:02:040
182539976,1cyclictest743-21snmpd11:38:150
182539976,1cyclictest743-21snmpd07:37:550
182539976,1cyclictest522-21avahi-daemon12:10:140
182539976,1cyclictest10231-21cat10:45:140
182539975,2cyclictest743-21snmpd08:23:480
182539975,2cyclictest743-21snmpd08:16:080
182689966,0cyclictest741-21lldpd07:20:493
182689966,0cyclictest573-21in:imuxsock08:33:373
182689966,0cyclictest14439-21apt-get09:40:003
182689965,1cyclictest743-21snmpd08:40:273
182689965,1cyclictest65850irq/126-lan11:40:173
182639966,0cyclictest743-21snmpd12:02:222
182639966,0cyclictest743-21snmpd11:50:482
182639966,0cyclictest741-21lldpd10:47:042
182639966,0cyclictest741-21lldpd10:36:082
182639966,0cyclictest522-21avahi-daemon10:15:062
182639964,2cyclictest743-21snmpd11:21:182
182639963,3cyclictest12753-21df12:10:122
182639962,3cyclictest7094-21memory11:55:142
182599966,0cyclictest743-21snmpd11:43:581
182599966,0cyclictest741-21lldpd12:16:351
182599966,0cyclictest741-21lldpd12:07:191
182599966,0cyclictest741-21lldpd10:14:521
182599966,0cyclictest522-21avahi-daemon09:32:581
182599966,0cyclictest522-21avahi-daemon08:52:071
182599966,0cyclictest522-21avahi-daemon07:55:061
182599965,1cyclictest29198-21gltestperf08:55:131
182599965,1cyclictest10401-21idleruntime-cro09:30:001
182599964,2cyclictest743-21snmpd10:17:111
182599963,3cyclictest21747-21diskstats09:55:121
182599963,2cyclictest575-21rs:main1
182599963,2cyclictest29957-21sshd11:32:201
182539966,0cyclictest743-21snmpd11:15:050
182539966,0cyclictest741-21lldpd07:52:470
182539966,0cyclictest506-21systemd-resolve11:27:500
182539965,1cyclictest743-21snmpd10:05:510
182539965,1cyclictest741-21lldpd10:54:040
182539965,1cyclictest22787-21gltestperf07:20:130
182539965,1cyclictest18902-21unixbench_singl09:45:210
182539963,3cyclictest743-21snmpd08:42:510
182539962,3cyclictest244-20systemd-journal08:05:170
182539962,3cyclictest15408-21fw_forwarded_lo09:40:120
182539961,5cyclictest557-21NetworkManager11:33:300
182689954,1cyclictest20910-21cpuspeed_turbos08:35:123
182689952,2cyclictest4896-21sed07:55:163
182639954,1cyclictest0-21swapper/211:05:002
182639953,2cyclictest557-21NetworkManager10:51:192
182599955,0cyclictest743-21snmpd12:38:081
182599955,0cyclictest743-21snmpd12:11:231
182599955,0cyclictest743-21snmpd11:45:061
182599955,0cyclictest741-21lldpd07:15:191
182599955,0cyclictest522-21avahi-daemon11:19:411
182599954,1cyclictest522-21avahi-daemon08:30:531
182599954,1cyclictest17942-21cpuspeed_turbos11:05:121
182599953,2cyclictest743-21snmpd07:20:271
182599952,2cyclictest6296-21dpkg08:00:101
182599951,3cyclictest19409-21ntpq12:25:171
182599950,3cyclictest24693-21perl11:20:131
182539955,0cyclictest741-21lldpd08:51:320
182539955,0cyclictest0-21swapper/011:11:420
182539954,1cyclictest743-21snmpd08:49:580
182539954,1cyclictest743-21snmpd07:42:430
182539954,1cyclictest741-21lldpd11:09:220
182539954,1cyclictest20631-21fschecks_count07:15:130
182539953,2cyclictest743-21snmpd12:37:380
182539952,3cyclictest756-21sensors_temp10:20:190
182539952,3cyclictest756-21sensors_temp10:20:190
182539952,3cyclictest12827-21diskstats09:35:140
182539952,2cyclictest8086-21grep10:40:120
182539952,2cyclictest7307-21netstat09:20:150
182539952,2cyclictest30867-21ntpq10:15:160
182539952,2cyclictest244-20systemd-journal11:20:430
182539952,2cyclictest244-20systemd-journal10:59:120
182539952,2cyclictest20570-21dpkg12:29:590
182539952,2cyclictest19644-21wc07:10:190
182539950,4cyclictest11393-21ntpq12:05:160
182689942,2cyclictest743-21snmpd07:40:013
182689942,2cyclictest17028-21cut08:25:153
182599943,1cyclictest16452-21cpuspeed_turbos08:25:121
182599943,1cyclictest0-21swapper/112:00:141
182599942,2cyclictest7783-21sed09:20:201
182599942,2cyclictest17741-21grep09:45:131
182599941,2cyclictest30901-21seq09:00:041
182599941,2cyclictest25764-21unixbench_multi07:25:211
182599941,2cyclictest244-20systemd-journal11:50:081
182599941,2cyclictest10532-21modprobe10:45:161
182599940,3cyclictest20419-21ntp_states09:50:161
182539942,2cyclictest9382-21ntpq12:00:180
182539942,2cyclictest573-21in:imuxsock10:25:080
182539942,2cyclictest10752-21cat08:10:130
182539941,2cyclictest16981-21missed_timers08:25:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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