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2026-04-04 - 00:32

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 all highest latencies:
System rack8slot6s.osadl.org (updated Fri Apr 03, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25066992019,1cyclictest65850irq/126-lan07:15:131
25066991918,1cyclictest65850irq/126-lan12:40:011
25066991817,1cyclictest65850irq/126-lan10:40:191
25066991817,1cyclictest65850irq/126-lan10:30:141
25066991817,1cyclictest65850irq/126-lan10:10:231
25066991817,1cyclictest65850irq/126-lan09:20:171
25066991817,1cyclictest65850irq/126-lan08:45:151
25066991817,1cyclictest65850irq/126-lan07:10:421
25066991717,0cyclictest65850irq/126-lan11:10:431
25066991717,0cyclictest65850irq/126-lan10:52:431
25066991717,0cyclictest65850irq/126-lan10:18:421
25066991717,0cyclictest65850irq/126-lan09:45:171
25066991717,0cyclictest65850irq/126-lan08:00:531
25066991716,1cyclictest65850irq/126-lan12:05:111
25066991716,1cyclictest65850irq/126-lan09:50:181
25066991716,1cyclictest65850irq/126-lan08:58:111
25066991716,1cyclictest65850irq/126-lan08:20:161
25066991716,1cyclictest65850irq/126-lan08:15:181
25066991716,1cyclictest65850irq/126-lan08:15:181
25066991616,0cyclictest65850irq/126-lan11:17:001
25066991616,0cyclictest65850irq/126-lan08:05:191
25066991615,1cyclictest65850irq/126-lan11:40:161
25066991615,1cyclictest65850irq/126-lan11:22:431
25066991615,1cyclictest65850irq/126-lan08:10:131
25066991615,1cyclictest65850irq/126-lan07:35:161
25066991615,1cyclictest65850irq/126-lan07:25:121
25066991515,0cyclictest65850irq/126-lan12:21:461
25066991515,0cyclictest65850irq/126-lan12:17:451
25066991515,0cyclictest65850irq/126-lan12:10:191
25066991515,0cyclictest65850irq/126-lan10:29:441
25066991515,0cyclictest65850irq/126-lan09:40:171
25066991515,0cyclictest65850irq/126-lan08:37:561
25066991514,1cyclictest65850irq/126-lan12:00:131
25066991514,1cyclictest65850irq/126-lan11:35:121
25066991514,1cyclictest65850irq/126-lan11:25:141
25066991514,1cyclictest65850irq/126-lan10:22:521
25066991514,1cyclictest65850irq/126-lan10:05:141
25066991514,1cyclictest65850irq/126-lan09:55:001
25066991514,1cyclictest65850irq/126-lan09:35:151
25066991514,1cyclictest65850irq/126-lan09:00:151
25066991514,1cyclictest65850irq/126-lan08:25:151
25066991414,0cyclictest65850irq/126-lan11:30:191
25066991414,0cyclictest65850irq/126-lan10:35:181
25066991414,0cyclictest65850irq/126-lan10:00:171
25066991414,0cyclictest65850irq/126-lan09:05:121
25066991414,0cyclictest65850irq/126-lan07:40:171
25066991414,0cyclictest65850irq/126-lan07:20:111
25066991413,1cyclictest65850irq/126-lan12:30:191
25066991413,1cyclictest65850irq/126-lan11:50:131
25066991413,1cyclictest65850irq/126-lan09:15:121
25066991413,1cyclictest65850irq/126-lan09:10:121
25066991413,1cyclictest65850irq/126-lan07:55:191
25066991313,0cyclictest65850irq/126-lan11:05:191
25066991313,0cyclictest65850irq/126-lan11:00:161
25066991313,0cyclictest65850irq/126-lan10:56:431
25066991312,1cyclictest65850irq/126-lan12:25:121
25066991312,1cyclictest65850irq/126-lan09:30:131
25066991312,1cyclictest65850irq/126-lan08:50:181
25066991212,0cyclictest65850irq/126-lan07:53:421
25066991211,1cyclictest65850irq/126-lan11:55:161
25066991211,1cyclictest65850irq/126-lan09:25:181
25066991211,1cyclictest65850irq/126-lan08:30:151
25066991211,1cyclictest65850irq/126-lan07:45:121
25066991211,1cyclictest65850irq/126-lan07:30:161
2506699109,1cyclictest65850irq/126-lan11:49:281
2506699109,1cyclictest65850irq/126-lan08:40:151
250799998,1cyclictest743-21snmpd07:29:193
250799998,1cyclictest741-21lldpd12:33:143
250799996,3cyclictest717-21ntpd10:36:463
250739998,1cyclictest743-21snmpd07:46:132
250669999,0cyclictest65850irq/126-lan10:49:181
250619998,1cyclictest743-21snmpd12:14:140
250619998,1cyclictest743-21snmpd08:56:340
250619998,1cyclictest741-21lldpd09:03:200
250619998,1cyclictest717-21ntpd09:15:110
250799988,0cyclictest743-21snmpd11:28:403
250799988,0cyclictest743-21snmpd10:16:433
250799988,0cyclictest743-21snmpd09:47:363
250799988,0cyclictest741-21lldpd11:00:193
250799988,0cyclictest741-21lldpd10:50:453
250799988,0cyclictest741-21lldpd07:38:413
250799987,1cyclictest741-21lldpd12:36:313
250799987,1cyclictest741-21lldpd11:34:203
250799987,1cyclictest741-21lldpd08:28:353
250799986,2cyclictest743-21snmpd12:09:563
250799986,2cyclictest743-21snmpd11:46:043
250799986,2cyclictest743-21snmpd10:56:153
250799986,2cyclictest717-21ntpd11:10:093
250799986,2cyclictest717-21ntpd11:05:443
250799986,2cyclictest717-21ntpd10:00:273
250799986,2cyclictest717-21ntpd09:35:093
250799986,2cyclictest717-21ntpd08:54:483
250799986,2cyclictest717-21ntpd07:11:093
250799986,2cyclictest22424-21cat08:20:133
250799985,2cyclictest717-21ntpd11:50:073
250739988,0cyclictest743-21snmpd12:24:472
250739988,0cyclictest743-21snmpd11:50:222
250739988,0cyclictest743-21snmpd08:45:422
250739988,0cyclictest741-21lldpd09:31:542
250739987,1cyclictest743-21snmpd10:52:502
250739987,1cyclictest743-21snmpd09:43:202
250739987,1cyclictest743-21snmpd09:38:262
250739987,1cyclictest743-21snmpd08:51:162
250739987,1cyclictest743-21snmpd08:32:152
250739987,1cyclictest743-21snmpd07:22:182
250739987,1cyclictest741-21lldpd09:17:182
250739986,2cyclictest743-21snmpd11:00:442
250739986,2cyclictest743-21snmpd10:11:102
250739986,2cyclictest743-21snmpd10:09:302
250739986,2cyclictest5653-21cat11:35:132
250619988,0cyclictest743-21snmpd11:53:310
250619988,0cyclictest743-21snmpd07:48:190
250619988,0cyclictest741-21lldpd07:37:590
250619987,1cyclictest743-21snmpd12:19:380
250619987,1cyclictest743-21snmpd11:22:480
250619987,1cyclictest743-21snmpd09:41:140
250619987,1cyclictest743-21snmpd08:41:270
250619987,1cyclictest741-21lldpd07:34:350
250619986,2cyclictest743-21snmpd10:24:430
250619986,2cyclictest743-21snmpd09:59:340
250619986,2cyclictest743-21snmpd09:09:040
250619986,2cyclictest743-21snmpd08:54:460
250619986,2cyclictest743-21snmpd08:24:420
250619986,2cyclictest743-21snmpd08:09:350
250619986,2cyclictest717-21ntpd12:30:180
250619986,2cyclictest717-21ntpd08:15:180
250619986,2cyclictest717-21ntpd08:15:180
250799977,0cyclictest743-21snmpd10:34:133
250799977,0cyclictest741-21lldpd12:02:213
250799977,0cyclictest741-21lldpd11:23:083
250799976,1cyclictest743-21snmpd08:13:173
250799976,1cyclictest717-21ntpd10:20:443
250799976,1cyclictest24020-21needreboot12:20:153
250799976,1cyclictest0-21swapper/308:00:123
250799975,2cyclictest743-21snmpd12:10:203
250799975,2cyclictest743-21snmpd10:10:393
250799975,2cyclictest743-21snmpd07:48:583
250799975,2cyclictest717-21ntpd10:40:483
250799975,2cyclictest717-21ntpd10:28:443
250799975,2cyclictest717-21ntpd10:06:413
250799975,2cyclictest717-21ntpd09:30:453
250799975,2cyclictest717-21ntpd09:25:173
250799975,2cyclictest717-21ntpd07:15:253
250799974,3cyclictest26460-21apt-get08:30:113
250799974,2cyclictest743-21snmpd07:40:133
250739977,0cyclictest743-21snmpd12:38:512
250739977,0cyclictest743-21snmpd12:14:202
250739977,0cyclictest743-21snmpd11:28:032
250739977,0cyclictest741-21lldpd11:16:082
250739977,0cyclictest741-21lldpd10:47:272
250739977,0cyclictest741-21lldpd09:26:462
250739977,0cyclictest741-21lldpd07:44:132
250739976,1cyclictest743-21snmpd12:16:272
250739976,1cyclictest743-21snmpd11:30:542
250739976,1cyclictest743-21snmpd11:08:442
250739976,1cyclictest743-21snmpd07:12:212
250739976,1cyclictest741-21lldpd08:21:252
250739976,1cyclictest1411-21cpuspeed_turbos07:30:102
250739975,2cyclictest743-21snmpd11:55:492
250739975,2cyclictest743-21snmpd08:58:312
250739975,2cyclictest743-21snmpd08:10:502
250739975,2cyclictest743-21snmpd08:04:592
250739975,2cyclictest4897-21cat10:15:132
250619977,0cyclictest743-21snmpd09:48:300
250619977,0cyclictest743-21snmpd07:56:500
250619977,0cyclictest743-21snmpd07:27:580
250619977,0cyclictest741-21lldpd12:23:300
250619977,0cyclictest741-21lldpd10:41:130
250619977,0cyclictest741-21lldpd10:16:430
250619977,0cyclictest741-21lldpd10:05:030
250619977,0cyclictest741-21lldpd08:29:350
250619976,1cyclictest743-21snmpd11:10:510
250619976,1cyclictest743-21snmpd10:35:310
250619976,1cyclictest743-21snmpd10:29:010
250619976,1cyclictest741-21lldpd12:08:560
250619976,1cyclictest717-21ntpd12:25:020
250619976,1cyclictest522-21avahi-daemon09:31:370
250619976,1cyclictest10796-21fschecks_time10:30:110
250619975,2cyclictest743-21snmpd09:21:560
250619975,2cyclictest743-21snmpd09:13:280
250619975,2cyclictest717-21ntpd12:35:030
250619975,2cyclictest717-21ntpd12:04:330
250619975,2cyclictest717-21ntpd08:30:220
250799966,0cyclictest743-21snmpd09:10:343
250799966,0cyclictest743-21snmpd08:16:563
250799966,0cyclictest743-21snmpd08:16:563
250799966,0cyclictest741-21lldpd12:25:413
250799965,1cyclictest743-21snmpd11:39:493
250799965,1cyclictest743-21snmpd08:36:153
250799965,1cyclictest6786-21fschecks_count09:00:133
250799965,1cyclictest573-21in:imuxsock09:05:153
250799965,1cyclictest522-21avahi-daemon09:20:353
250799965,1cyclictest28869-21cpuspeed_turbos09:55:123
250799964,2cyclictest743-21snmpd11:43:103
250799964,2cyclictest743-21snmpd08:48:543
250799962,3cyclictest16234-21fw_packets08:05:123
250739966,0cyclictest743-21snmpd10:20:282
250739966,0cyclictest743-21snmpd08:18:532
250739966,0cyclictest743-21snmpd08:18:532
250739966,0cyclictest741-21lldpd12:06:402
250739966,0cyclictest741-21lldpd11:41:262
250739966,0cyclictest741-21lldpd10:37:152
250739966,0cyclictest741-21lldpd07:19:582
250739965,1cyclictest743-21snmpd09:02:552
250739965,1cyclictest743-21snmpd07:35:492
250739965,1cyclictest522-21avahi-daemon10:56:572
250739965,1cyclictest10506-21/usr/sbin/munin10:30:162
250739964,2cyclictest743-21snmpd12:31:352
250739964,2cyclictest743-21snmpd10:44:122
250739964,2cyclictest743-21snmpd09:59:392
250739964,2cyclictest743-21snmpd09:23:542
250619966,0cyclictest743-21snmpd11:07:260
250619966,0cyclictest741-21lldpd11:29:140
250619966,0cyclictest741-21lldpd11:16:570
250619966,0cyclictest741-21lldpd07:11:000
250619965,1cyclictest9531-21cpuspeed_turbos07:50:110
250619965,1cyclictest717-21ntpd09:25:010
250619965,1cyclictest171ktimers/011:35:110
250619964,2cyclictest743-21snmpd11:56:010
250619964,2cyclictest743-21snmpd10:48:440
250619964,2cyclictest743-21snmpd09:52:300
250619964,2cyclictest743-21snmpd09:35:350
250619964,2cyclictest717-21ntpd08:35:020
250619962,3cyclictest30996-21diskstats10:00:110
250619962,3cyclictest18117-21diskstats08:10:130
250799955,0cyclictest743-21snmpd07:23:103
250799955,0cyclictest573-21in:imuxsock08:42:083
250799955,0cyclictest522-21avahi-daemon07:56:523
250799954,1cyclictest12942-21gltestperf09:15:133
250799953,2cyclictest743-21snmpd07:30:043
250799951,3cyclictest9754-21fw_forwarded_lo07:50:113
250799951,3cyclictest23039-21fw_conntrack09:40:123
250739955,0cyclictest741-21lldpd08:43:122
250739955,0cyclictest25797-21cut12:25:142
250739954,1cyclictest743-21snmpd11:23:092
250739954,1cyclictest28771-21gltestperf08:35:132
250739952,2cyclictest9993-21sed07:50:132
250739952,2cyclictest244-20systemd-journal11:46:352
250739951,3cyclictest8671-21df10:25:122
250739951,3cyclictest16233-21fw_packets08:05:122
250739950,5cyclictest557-21NetworkManager07:28:132
250619954,1cyclictest0-21swapper/010:55:120
250619953,2cyclictest743-21snmpd10:51:110
250619953,2cyclictest743-21snmpd07:42:190
250619952,3cyclictest557-21NetworkManager11:43:390
250619952,2cyclictest9559-21fw_forwarded_lo11:45:120
250619952,0cyclictest22787-21apt-get11:00:010
250799944,0cyclictest25054-21cyclictest10:45:133
250799942,2cyclictest743-21snmpd12:19:543
250799942,2cyclictest717-21ntpd11:55:033
250799941,3cyclictest4859-21perl08:55:123
250799941,2cyclictest29596-21wc11:15:103
250799940,3cyclictest26952-21diskstats09:50:133
250739941,3cyclictest244-20systemd-journal11:10:112
250739941,2cyclictest9880-21unixbench_multi09:05:212
250739941,2cyclictest743-21snmpd12:00:052
250739941,2cyclictest30830-21dpkg10:00:102
250739941,2cyclictest28109-21grep09:50:222
250739941,2cyclictest11632-21sh07:55:112
250739941,2cyclictest11345-21ntpq09:10:162
250739940,3cyclictest25505-21ntpq09:45:152
250739940,3cyclictest24439-21apt-get08:25:112
250619944,0cyclictest741-21lldpd10:10:110
250619944,0cyclictest0-21swapper/011:30:120
250619942,2cyclictest743-21snmpd08:46:150
250619941,2cyclictest30823-21ls07:20:190
250619941,2cyclictest27804-21tr07:15:110
250619940,3cyclictest14119-21sed08:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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