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2026-06-23 - 21:19

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 Tue Jun 23, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13456991918,1cyclictest65850irq/126-lan08:21:380
13456991818,0cyclictest65850irq/126-lan11:12:050
13456991817,1cyclictest65850irq/126-lan12:30:210
13456991817,1cyclictest65850irq/126-lan09:50:210
13456991817,1cyclictest65850irq/126-lan08:50:160
13456991817,1cyclictest65850irq/126-lan08:45:150
13456991817,1cyclictest65850irq/126-lan08:00:000
13456991717,0cyclictest65850irq/126-lan12:08:540
13456991717,0cyclictest65850irq/126-lan12:00:160
13456991717,0cyclictest65850irq/126-lan11:19:410
13456991717,0cyclictest65850irq/126-lan11:02:400
13456991717,0cyclictest65850irq/126-lan10:20:120
13456991717,0cyclictest65850irq/126-lan09:55:210
13456991717,0cyclictest65850irq/126-lan07:45:180
13456991716,1cyclictest65850irq/126-lan12:35:160
13456991716,1cyclictest65850irq/126-lan11:30:100
13456991716,1cyclictest65850irq/126-lan09:40:160
13456991716,1cyclictest65850irq/126-lan09:25:150
13456991716,1cyclictest65850irq/126-lan07:20:100
13456991716,1cyclictest65850irq/126-lan07:10:170
13456991616,0cyclictest65850irq/126-lan12:10:200
13456991616,0cyclictest65850irq/126-lan10:58:390
13456991616,0cyclictest65850irq/126-lan10:33:590
13456991616,0cyclictest65850irq/126-lan09:39:380
13456991615,1cyclictest65850irq/126-lan11:25:130
13456991615,1cyclictest65850irq/126-lan09:30:170
13456991615,1cyclictest65850irq/126-lan08:25:150
13456991515,0cyclictest65850irq/126-lan12:25:010
13456991515,0cyclictest65850irq/126-lan10:45:160
13456991515,0cyclictest65850irq/126-lan10:03:380
13456991515,0cyclictest65850irq/126-lan08:32:230
13456991514,1cyclictest65850irq/126-lan11:42:380
13456991514,1cyclictest65850irq/126-lan08:40:580
13456991514,1cyclictest65850irq/126-lan08:35:180
13456991514,1cyclictest65850irq/126-lan08:15:150
13456991514,1cyclictest65850irq/126-lan08:05:120
13456991514,1cyclictest65850irq/126-lan07:15:170
13456991414,0cyclictest65850irq/126-lan09:49:270
13456991414,0cyclictest65850irq/126-lan09:00:090
13456991413,1cyclictest65850irq/126-lan10:10:180
13456991413,1cyclictest65850irq/126-lan10:05:160
13456991413,1cyclictest65850irq/126-lan09:05:130
13456991413,1cyclictest65850irq/126-lan08:10:140
13456991313,0cyclictest65850irq/126-lan12:20:200
13456991313,0cyclictest65850irq/126-lan11:52:380
13456991313,0cyclictest65850irq/126-lan11:48:560
13456991313,0cyclictest65850irq/126-lan08:55:130
13456991313,0cyclictest65850irq/126-lan07:35:300
13456991313,0cyclictest65850irq/126-lan07:25:180
13456991312,1cyclictest65850irq/126-lan10:50:190
13456991312,1cyclictest65850irq/126-lan10:35:130
13456991312,1cyclictest65850irq/126-lan10:18:170
13456991212,0cyclictest65850irq/126-lan11:20:150
13456991212,0cyclictest65850irq/126-lan07:40:170
13456991111,0cyclictest65850irq/126-lan12:15:140
13456991111,0cyclictest65850irq/126-lan11:08:520
13456991111,0cyclictest65850irq/126-lan09:10:120
13456991111,0cyclictest65850irq/126-lan08:04:220
13456991111,0cyclictest65850irq/126-lan07:50:160
13456991110,1cyclictest65850irq/126-lan11:35:180
13456991010,0cyclictest65850irq/126-lan07:30:110
134739998,1cyclictest743-21snmpd09:22:213
134739998,1cyclictest743-21snmpd08:22:583
134699998,1cyclictest743-21snmpd10:37:112
134699996,3cyclictest743-21snmpd08:43:412
134649998,1cyclictest741-21lldpd12:00:211
134569999,0cyclictest743-21snmpd09:18:360
134569998,1cyclictest65850irq/126-lan09:20:170
134739988,0cyclictest743-21snmpd11:07:543
134739988,0cyclictest743-21snmpd09:08:003
134739988,0cyclictest743-21snmpd07:14:503
134739988,0cyclictest741-21lldpd12:37:573
134739988,0cyclictest741-21lldpd09:40:073
134739988,0cyclictest741-21lldpd08:43:223
134739987,1cyclictest743-21snmpd10:59:363
134739986,2cyclictest743-21snmpd12:17:573
134739986,2cyclictest743-21snmpd11:50:263
134739986,2cyclictest743-21snmpd11:25:223
134739986,2cyclictest743-21snmpd08:36:173
134739986,2cyclictest743-21snmpd08:04:573
134699988,0cyclictest741-21lldpd07:41:392
134699987,1cyclictest743-21snmpd12:37:122
134699987,1cyclictest743-21snmpd10:08:352
134699987,1cyclictest743-21snmpd08:37:502
134699987,1cyclictest741-21lldpd12:25:422
134699987,1cyclictest741-21lldpd12:18:192
134699987,1cyclictest741-21lldpd08:53:302
134699986,2cyclictest743-21snmpd10:51:032
134699986,2cyclictest743-21snmpd09:05:092
134699986,2cyclictest743-21snmpd07:52:342
134699985,3cyclictest743-21snmpd11:44:362
134699985,3cyclictest743-21snmpd10:15:172
134649988,0cyclictest743-21snmpd11:20:281
134649988,0cyclictest743-21snmpd10:07:321
134649988,0cyclictest743-21snmpd09:26:151
134649988,0cyclictest741-21lldpd09:56:231
134649988,0cyclictest741-21lldpd07:11:111
134649987,1cyclictest743-21snmpd08:30:441
134649987,1cyclictest743-21snmpd07:58:401
134649987,1cyclictest741-21lldpd08:51:241
134649987,1cyclictest506-21systemd-resolve07:25:141
134649986,2cyclictest743-21snmpd10:00:321
134649986,2cyclictest743-21snmpd08:27:471
134569988,0cyclictest743-21snmpd10:25:450
134569988,0cyclictest65850irq/126-lan11:55:180
134569987,1cyclictest741-21lldpd10:44:490
134739977,0cyclictest743-21snmpd09:57:013
134739977,0cyclictest743-21snmpd07:43:153
134739977,0cyclictest743-21snmpd07:16:053
134739977,0cyclictest741-21lldpd11:18:563
134739977,0cyclictest741-21lldpd10:12:293
134739977,0cyclictest741-21lldpd08:32:243
134739977,0cyclictest741-21lldpd07:28:113
134739976,1cyclictest743-21snmpd12:11:483
134739976,1cyclictest743-21snmpd08:58:063
134739976,1cyclictest743-21snmpd08:06:223
134739976,1cyclictest522-21avahi-daemon10:36:393
134739976,1cyclictest522-21avahi-daemon09:35:193
134739975,2cyclictest743-21snmpd12:02:233
134739975,2cyclictest743-21snmpd11:57:383
134739975,2cyclictest743-21snmpd11:14:013
134739975,2cyclictest743-21snmpd10:30:353
134739975,2cyclictest743-21snmpd10:29:473
134739975,2cyclictest11067-21cat12:20:163
134699977,0cyclictest743-21snmpd09:38:312
134699977,0cyclictest741-21lldpd10:26:292
134699977,0cyclictest741-21lldpd08:59:562
134699977,0cyclictest741-21lldpd07:57:092
134699977,0cyclictest741-21lldpd07:39:372
134699977,0cyclictest741-21lldpd07:20:212
134699977,0cyclictest506-21systemd-resolve08:12:362
134699976,1cyclictest743-21snmpd12:13:522
134699976,1cyclictest743-21snmpd11:33:492
134699976,1cyclictest743-21snmpd11:29:382
134699976,1cyclictest522-21avahi-daemon07:25:522
134699976,1cyclictest2854-21gltestperf12:00:132
134699976,1cyclictest10073-21cpuspeed_turbos08:20:112
134699975,2cyclictest743-21snmpd12:23:482
134699975,2cyclictest743-21snmpd11:37:462
134699975,2cyclictest743-21snmpd11:01:182
134699975,2cyclictest743-21snmpd10:13:352
134699975,2cyclictest743-21snmpd09:57:042
134699975,2cyclictest743-21snmpd09:41:492
134699975,2cyclictest743-21snmpd09:20:302
134699975,2cyclictest743-21snmpd08:46:472
134699975,2cyclictest743-21snmpd08:30:082
134649977,0cyclictest743-21snmpd10:21:231
134649977,0cyclictest743-21snmpd09:11:571
134649977,0cyclictest741-21lldpd12:30:591
134649977,0cyclictest741-21lldpd11:05:001
134649977,0cyclictest522-21avahi-daemon08:56:111
134649976,1cyclictest743-21snmpd09:46:401
134649976,1cyclictest743-21snmpd07:17:231
134649975,2cyclictest743-21snmpd09:15:031
134739966,0cyclictest743-21snmpd11:24:343
134739966,0cyclictest743-21snmpd09:54:223
134739966,0cyclictest741-21lldpd11:49:013
134739966,0cyclictest741-21lldpd07:39:533
134739966,0cyclictest506-21systemd-resolve08:50:453
134739965,1cyclictest743-21snmpd10:53:303
134739965,1cyclictest522-21avahi-daemon07:46:443
134739965,1cyclictest506-21systemd-resolve08:49:393
134739964,2cyclictest743-21snmpd07:32:153
134739961,5cyclictest557-21NetworkManager09:33:063
134699966,0cyclictest743-21snmpd07:12:292
134699966,0cyclictest741-21lldpd09:15:342
134699966,0cyclictest522-21avahi-daemon10:02:322
134699966,0cyclictest506-21systemd-resolve11:19:172
134699965,1cyclictest743-21snmpd11:57:362
134699965,1cyclictest743-21snmpd11:52:472
134699965,1cyclictest743-21snmpd09:28:342
134699965,1cyclictest26222-21cpuspeed_turbos09:00:092
134699964,2cyclictest743-21snmpd12:32:152
134699964,2cyclictest743-21snmpd11:22:042
134699964,2cyclictest743-21snmpd10:55:572
134699964,2cyclictest743-21snmpd08:25:172
134699964,2cyclictest743-21snmpd08:05:282
134649966,0cyclictest8322-21gltestperf08:15:141
134649966,0cyclictest743-21snmpd11:48:111
134649966,0cyclictest743-21snmpd07:47:451
134649966,0cyclictest743-21snmpd07:36:121
134649966,0cyclictest741-21lldpd11:32:001
134649966,0cyclictest522-21avahi-daemon08:03:401
134649965,1cyclictest21695-21nvmesmart_nvme011:25:171
134649963,3cyclictest24775-21perl10:15:141
134739955,0cyclictest743-21snmpd12:09:153
134739955,0cyclictest743-21snmpd08:12:403
134739955,0cyclictest741-21lldpd10:46:403
134739954,1cyclictest741-21lldpd09:25:103
134739953,2cyclictest511ktimers/307:55:113
134739953,2cyclictest13846-21sed12:25:213
134739952,3cyclictest25566-21ntpq11:35:163
134739952,2cyclictest8333-21sed08:15:143
134739952,2cyclictest244-20systemd-journal09:10:253
134739952,2cyclictest23475-21cut11:30:143
134739952,2cyclictest15896-21unixbench-2d12:30:203
134739951,3cyclictest20603-21cut10:05:123
134739950,4cyclictest244-20systemd-journal10:01:043
134699955,0cyclictest741-21lldpd11:14:112
134699955,0cyclictest741-21lldpd10:33:152
134699954,1cyclictest8805-21ntpq08:15:182
134699953,2cyclictest743-21snmpd07:45:082
134699953,2cyclictest743-21snmpd07:32:572
134699952,2cyclictest5726-21sed12:05:222
134699952,2cyclictest244-20systemd-journal09:48:082
134699951,3cyclictest2078-21df08:00:122
134649955,0cyclictest743-21snmpd12:06:021
134649955,0cyclictest725-21in:imuxsock12:20:001
134649955,0cyclictest522-21avahi-daemon10:25:571
134649955,0cyclictest522-21avahi-daemon08:10:241
134649955,0cyclictest506-21systemd-resolve12:24:561
134649954,1cyclictest573-21in:imuxsock09:44:401
134649954,1cyclictest522-21avahi-daemon12:26:371
134649953,2cyclictest743-21snmpd12:12:161
134649953,2cyclictest743-21snmpd11:05:121
134649953,2cyclictest743-21snmpd10:43:311
134649953,2cyclictest557-21NetworkManager10:55:201
134649953,2cyclictest29822-21/usr/sbin/munin07:50:121
134649953,2cyclictest20255-21diskstats08:45:131
134649952,3cyclictest506-21systemd-resolve09:39:301
134649952,3cyclictest4528-21fw_forwarded_lo10:45:141
134649952,3cyclictest2067-21uniq09:20:121
134649952,2cyclictest7572-21seq09:34:421
134649952,2cyclictest743-21snmpd11:37:101
134649952,2cyclictest596-21awk10:35:131
134649952,2cyclictest31651-21ld11:50:151
134649952,2cyclictest21722-21awk07:30:101
134649952,2cyclictest18312-21seq11:17:331
134649951,3cyclictest4446-21sed08:05:151
134739944,0cyclictest0-21swapper/311:40:123
134739943,1cyclictest5284-21kworker/3:1-mm_percpu_wq07:50:083
134739942,2cyclictest12455-21grep09:45:123
134739942,2cyclictest12013-21apt-get08:25:133
134739942,2cyclictest11348-21needreboot11:00:153
134739941,3cyclictest26977-21cat10:20:143
134739941,2cyclictest575-21rs:main3
134739941,2cyclictest18428-21ld07:20:153
134739940,3cyclictest422-21ntp_192.168.11409:15:163
134739940,3cyclictest2925-21ntpq10:40:133
134739940,3cyclictest24897-21hddtemp_smartct10:15:153
134699943,1cyclictest0-21swapper/209:50:132
134699942,2cyclictest26927-21grep10:20:142
134699942,2cyclictest244-20systemd-journal10:45:052
134699941,3cyclictest13281-21sed11:05:122
134699941,2cyclictest6186-21grep09:30:132
134699941,2cyclictest16064-21basename07:15:142
134699940,3cyclictest30465-21fw_conntrack09:10:132
134699940,3cyclictest29190-21fw_forwarded_lo11:45:142
134699940,3cyclictest2221-21apt-get10:40:092
134649943,1cyclictest536-21cpuspeed_turbos11:55:111
134649943,1cyclictest14742-21gltestperf09:50:131
134649942,2cyclictest18427-21gcc07:20:151
134649942,2cyclictest14856-21cut11:10:141
134649941,3cyclictest557-21NetworkManager11:40:101
134649941,2cyclictest9977-21acpi08:20:101
134649941,2cyclictest6490-21fschecks_time10:50:131
134649941,2cyclictest31419-21ld10:30:171
134649941,2cyclictest29368-21timerwakeupswit09:05:181
134649941,2cyclictest23050-21missed_timers10:10:161
134649940,4cyclictest26662-21ntpq07:40:171
134649940,3cyclictest26940-21ldconfig09:00:141
134649940,3cyclictest19113-21sensors_temp08:40:191
134649940,3cyclictest16683-21apt-get12:35:111
134649940,3cyclictest16435-21/usr/sbin/munin08:35:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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