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2026-04-09 - 14:00

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 Thu Apr 09, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27421991918,1cyclictest65850irq/126-lan20:00:143
27421991817,1cyclictest65850irq/126-lan22:25:213
27421991817,1cyclictest65850irq/126-lan22:25:213
27421991817,1cyclictest65850irq/126-lan20:13:463
27421991817,1cyclictest65850irq/126-lan19:20:153
27421991717,0cyclictest65850irq/126-lan21:55:143
27421991717,0cyclictest65850irq/126-lan21:12:413
27421991717,0cyclictest65850irq/126-lan19:15:103
27421991716,1cyclictest65850irq/126-lan23:55:173
27421991716,1cyclictest65850irq/126-lan23:40:123
27421991716,1cyclictest65850irq/126-lan23:08:273
27421991716,1cyclictest65850irq/126-lan23:00:143
27421991716,1cyclictest65850irq/126-lan20:15:013
27421991716,1cyclictest65850irq/126-lan19:50:123
27421991716,1cyclictest65850irq/126-lan00:05:113
27421991616,0cyclictest65850irq/126-lan22:10:113
27421991616,0cyclictest65850irq/126-lan19:10:133
27421991616,0cyclictest65850irq/126-lan00:30:383
27421991615,1cyclictest65850irq/126-lan22:50:193
27421991615,1cyclictest65850irq/126-lan22:15:153
27421991615,1cyclictest65850irq/126-lan20:50:183
27421991615,1cyclictest65850irq/126-lan20:40:173
27421991515,0cyclictest65850irq/126-lan22:45:263
27421991515,0cyclictest65850irq/126-lan22:30:193
27421991515,0cyclictest65850irq/126-lan22:30:193
27421991515,0cyclictest65850irq/126-lan22:06:233
27421991515,0cyclictest65850irq/126-lan19:45:173
27421991514,1cyclictest65850irq/126-lan23:30:163
27421991514,1cyclictest65850irq/126-lan23:15:163
27421991514,1cyclictest65850irq/126-lan22:35:173
27421991514,1cyclictest65850irq/126-lan21:35:103
27421991514,1cyclictest65850irq/126-lan21:00:003
27421991514,1cyclictest65850irq/126-lan19:30:113
27421991514,1cyclictest65850irq/126-lan00:35:173
27414991515,0cyclictest743-21snmpd23:05:141
27421991414,0cyclictest65850irq/126-lan23:45:183
27421991414,0cyclictest65850irq/126-lan22:40:293
27421991414,0cyclictest65850irq/126-lan20:25:123
27421991414,0cyclictest65850irq/126-lan19:35:133
27421991414,0cyclictest65850irq/126-lan00:10:103
27421991413,1cyclictest65850irq/126-lan23:20:183
27421991413,1cyclictest65850irq/126-lan22:00:123
27421991413,1cyclictest65850irq/126-lan21:46:233
27421991413,1cyclictest65850irq/126-lan21:25:003
27421991413,1cyclictest65850irq/126-lan21:15:223
27421991413,1cyclictest65850irq/126-lan20:45:163
27421991413,1cyclictest65850irq/126-lan20:20:163
27421991413,1cyclictest65850irq/126-lan19:55:203
27421991413,1cyclictest65850irq/126-lan19:40:123
27421991413,1cyclictest65850irq/126-lan19:25:153
27421991413,1cyclictest65850irq/126-lan00:00:113
27421991313,0cyclictest65850irq/126-lan23:50:193
27421991313,0cyclictest65850irq/126-lan23:10:193
27421991313,0cyclictest65850irq/126-lan21:05:123
27421991313,0cyclictest65850irq/126-lan00:20:173
27421991313,0cyclictest65850irq/126-lan00:15:113
27421991312,1cyclictest65850irq/126-lan22:55:203
27421991312,1cyclictest65850irq/126-lan22:20:123
27421991312,1cyclictest65850irq/126-lan21:30:143
27421991312,1cyclictest65850irq/126-lan20:35:163
27421991312,1cyclictest65850irq/126-lan00:25:183
27421991212,0cyclictest65850irq/126-lan23:25:173
27421991212,0cyclictest65850irq/126-lan21:50:073
27421991212,0cyclictest65850irq/126-lan20:30:163
27421991211,1cyclictest65850irq/126-lan20:05:113
27414991212,0cyclictest743-21snmpd19:38:121
27414991212,0cyclictest743-21snmpd00:21:521
27421991111,0cyclictest65850irq/126-lan21:20:143
27414991111,0cyclictest743-21snmpd22:57:451
27414991111,0cyclictest743-21snmpd00:27:321
27414991010,0cyclictest743-21snmpd23:22:291
27414991010,0cyclictest743-21snmpd23:17:111
27414991010,0cyclictest743-21snmpd22:41:581
27414991010,0cyclictest743-21snmpd22:15:591
27414991010,0cyclictest743-21snmpd21:43:401
27414991010,0cyclictest743-21snmpd20:30:291
27414991010,0cyclictest743-21snmpd20:22:581
27414991010,0cyclictest743-21snmpd00:33:351
27414991010,0cyclictest743-21snmpd00:19:071
27414991010,0cyclictest28019-21cat19:10:131
274219999,0cyclictest65850irq/126-lan23:35:303
274199998,1cyclictest743-21snmpd23:58:362
274199998,1cyclictest741-21lldpd19:37:202
274149998,1cyclictest743-21snmpd20:59:291
274109998,1cyclictest743-21snmpd00:37:140
274219988,0cyclictest65850irq/126-lan21:40:173
274199988,0cyclictest743-21snmpd23:35:242
274199988,0cyclictest743-21snmpd00:03:552
274199988,0cyclictest741-21lldpd23:18:392
274199988,0cyclictest741-21lldpd22:03:522
274199987,1cyclictest8561-21systemctl22:20:002
274199987,1cyclictest743-21snmpd23:26:522
274199987,1cyclictest743-21snmpd23:00:472
274199987,1cyclictest743-21snmpd22:48:102
274199987,1cyclictest743-21snmpd21:46:202
274199987,1cyclictest741-21lldpd19:23:562
274199987,1cyclictest573-21in:imuxsock20:00:172
274199986,2cyclictest743-21snmpd23:10:172
274199986,2cyclictest743-21snmpd19:15:292
274199986,2cyclictest717-21ntpd20:57:282
274149988,0cyclictest743-21snmpd22:02:531
274149988,0cyclictest743-21snmpd21:29:361
274149987,1cyclictest743-21snmpd22:53:121
274149987,1cyclictest743-21snmpd21:47:431
274149987,1cyclictest743-21snmpd21:17:191
274149987,1cyclictest743-21snmpd20:43:261
274149987,1cyclictest743-21snmpd19:29:211
274149987,1cyclictest16287-21fschecks_time23:55:111
274149986,2cyclictest9268-21cat22:20:131
274149986,2cyclictest743-21snmpd22:45:161
274149986,2cyclictest743-21snmpd21:22:461
274149986,2cyclictest743-21snmpd20:17:231
274109988,0cyclictest743-21snmpd23:52:240
274109988,0cyclictest743-21snmpd23:37:000
274109988,0cyclictest743-21snmpd20:57:140
274109988,0cyclictest743-21snmpd00:21:370
274109988,0cyclictest741-21lldpd21:42:590
274109988,0cyclictest741-21lldpd21:32:100
274109987,1cyclictest743-21snmpd23:20:380
274109986,2cyclictest743-21snmpd22:51:520
274109986,2cyclictest743-21snmpd22:22:180
274109986,2cyclictest743-21snmpd20:21:200
274109986,2cyclictest743-21snmpd19:26:560
274109986,2cyclictest743-21snmpd19:20:470
274109984,3cyclictest22686-21ntp_states20:15:170
274219976,1cyclictest522-21avahi-daemon21:02:303
274199977,0cyclictest743-21snmpd23:22:502
274199977,0cyclictest743-21snmpd20:10:472
274199977,0cyclictest741-21lldpd21:52:412
274199977,0cyclictest741-21lldpd19:46:542
274199977,0cyclictest741-21lldpd19:27:072
274199976,1cyclictest743-21snmpd22:30:552
274199976,1cyclictest743-21snmpd22:30:552
274199976,1cyclictest743-21snmpd00:09:072
274199976,1cyclictest717-21ntpd19:40:022
274199976,1cyclictest12016-21/usr/sbin/munin23:45:192
274199975,2cyclictest743-21snmpd23:32:062
274199975,2cyclictest743-21snmpd22:57:432
274199975,2cyclictest743-21snmpd22:26:032
274199975,2cyclictest743-21snmpd22:26:022
274199975,2cyclictest743-21snmpd21:14:332
274199975,2cyclictest743-21snmpd20:23:252
274199975,2cyclictest743-21snmpd00:30:472
274199975,2cyclictest717-21ntpd21:09:292
274149977,0cyclictest743-21snmpd22:27:301
274149977,0cyclictest743-21snmpd22:27:291
274149977,0cyclictest743-21snmpd21:30:101
274149977,0cyclictest743-21snmpd19:52:121
274149977,0cyclictest741-21lldpd23:47:511
274149977,0cyclictest741-21lldpd23:33:351
274149977,0cyclictest741-21lldpd22:33:561
274149977,0cyclictest741-21lldpd22:33:561
274149977,0cyclictest741-21lldpd00:05:271
274149976,1cyclictest743-21snmpd00:03:161
274149975,2cyclictest743-21snmpd23:27:071
274149975,2cyclictest743-21snmpd21:01:181
274149975,2cyclictest743-21snmpd20:12:131
274149975,2cyclictest743-21snmpd20:08:341
274149972,4cyclictest3542-21cat20:50:011
274109977,0cyclictest743-21snmpd21:58:020
274109977,0cyclictest741-21lldpd20:26:070
274109977,0cyclictest741-21lldpd00:25:460
274109977,0cyclictest741-21lldpd00:04:260
274109976,1cyclictest743-21snmpd23:12:430
274109976,1cyclictest743-21snmpd20:46:330
274109976,1cyclictest743-21snmpd20:30:590
274109976,1cyclictest743-21snmpd20:13:400
274109976,1cyclictest741-21lldpd00:16:300
274109976,1cyclictest522-21avahi-daemon22:05:150
274109976,1cyclictest506-21systemd-resolve21:10:190
274109975,2cyclictest743-21snmpd22:45:520
274109975,2cyclictest11780-21cat19:50:120
274109974,3cyclictest6150-21ntpq19:35:170
274109973,3cyclictest244-20systemd-journal23:15:160
274199966,0cyclictest743-21snmpd21:36:292
274199966,0cyclictest15084-21fschecks_count22:35:122
274199965,1cyclictest743-21snmpd19:14:512
274199965,1cyclictest717-21ntpd21:16:292
274199965,1cyclictest717-21ntpd20:42:272
274199965,1cyclictest717-21ntpd20:39:272
274199965,1cyclictest717-21ntpd00:10:212
274199965,1cyclictest573-21in:imuxsock19:32:022
274199965,1cyclictest506-21systemd-resolve22:22:132
274199965,1cyclictest24228-21cpuspeed_turbos00:15:112
274199965,1cyclictest10474-21cat23:40:112
274199964,2cyclictest743-21snmpd20:51:262
274199964,2cyclictest743-21snmpd20:08:042
274199964,2cyclictest717-21ntpd21:20:052
274199964,2cyclictest717-21ntpd20:34:582
274199964,2cyclictest717-21ntpd19:55:022
274199963,2cyclictest244-20systemd-journal22:40:112
274199962,3cyclictest557-21NetworkManager21:40:112
274199962,3cyclictest26194-21apt-get00:20:112
274199962,3cyclictest12186-21ntp_states19:50:152
274149966,0cyclictest743-21snmpd20:00:521
274149966,0cyclictest741-21lldpd21:54:391
274149966,0cyclictest741-21lldpd19:46:321
274149966,0cyclictest741-21lldpd19:42:521
274149966,0cyclictest506-21systemd-resolve00:11:081
274149965,1cyclictest743-21snmpd20:39:541
274149964,2cyclictest743-21snmpd21:39:351
274149963,2cyclictest12833-21grep21:10:121
274149962,3cyclictest4355-21dpkg22:10:121
274109966,0cyclictest743-21snmpd23:47:510
274109966,0cyclictest743-21snmpd21:20:130
274109966,0cyclictest741-21lldpd23:32:310
274109966,0cyclictest522-21avahi-daemon22:39:240
274109965,1cyclictest743-21snmpd19:18:300
274109965,1cyclictest522-21avahi-daemon22:56:280
274109965,1cyclictest3510-21fschecks_time19:30:120
274109965,1cyclictest16984-21cpuspeed_turbos22:40:100
274109964,2cyclictest743-21snmpd21:18:240
274109964,2cyclictest743-21snmpd21:01:270
274109963,3cyclictest27443-21ntpq21:45:160
274109963,3cyclictest244-20systemd-journal20:02:510
274199955,0cyclictest743-21snmpd22:53:002
274199955,0cyclictest743-21snmpd00:37:382
274199955,0cyclictest741-21lldpd21:55:362
274199955,0cyclictest741-21lldpd00:25:052
274199954,1cyclictest743-21snmpd21:25:302
274199954,1cyclictest743-21snmpd20:17:472
274199954,1cyclictest20678-21cpuspeed_turbos21:30:112
274199952,2cyclictest8826-21ntp_kernel_pll_21:00:162
274199952,2cyclictest5298-21pmu-power22:10:182
274199952,2cyclictest14904-21ntpq23:50:162
274199950,3cyclictest28082-21uniq23:05:112
274149955,0cyclictest522-21avahi-daemon21:58:351
274149954,1cyclictest743-21snmpd23:42:051
274149953,2cyclictest717-21ntpd23:02:051
274149953,2cyclictest4042-21cat20:50:141
274149953,2cyclictest0-21swapper/100:35:141
274149952,3cyclictest743-21snmpd19:57:331
274149952,2cyclictest30112-21cat19:15:141
274149952,2cyclictest10887-21sed21:05:121
274149951,3cyclictest4111-21awk22:10:011
274149951,3cyclictest244-20systemd-journal23:35:341
274109955,0cyclictest743-21snmpd19:48:250
274109955,0cyclictest741-21lldpd21:39:590
274109955,0cyclictest741-21lldpd00:33:310
274109955,0cyclictest522-21avahi-daemon23:43:470
274109954,1cyclictest743-21snmpd23:04:380
274109954,1cyclictest5712-21turbostat23:30:000
274109954,1cyclictest20204-21cpuspeed_turbos00:05:120
274109952,2cyclictest7596-21cut19:40:110
274109952,2cyclictest575-21rs:main0
274109952,2cyclictest27774-21fschecks_count19:10:120
274109952,2cyclictest244-20systemd-journal23:05:170
274109952,2cyclictest18261-21sh20:05:170
274109950,5cyclictest557-21NetworkManager00:12:460
274109950,4cyclictest32674-21ntpq20:40:150
274109950,4cyclictest13722-21ntpq22:30:180
274109950,4cyclictest13722-21ntpq22:30:180
274109950,3cyclictest20344-21cut21:30:000
274199944,0cyclictest741-21lldpd20:25:012
274199941,2cyclictest2507-21df22:05:112
274199940,3cyclictest2411-21ntpq20:45:162
274149944,0cyclictest743-21snmpd20:25:071
274149943,1cyclictest0-21swapper/123:50:131
274149940,4cyclictest30623-21ntpq23:10:141
274149940,2cyclictest31878-21sort19:20:121
274109942,2cyclictest743-21snmpd21:09:400
274109942,2cyclictest743-21snmpd19:55:330
274109942,2cyclictest717-21ntpd23:55:110
274109941,2cyclictest941-21missed_timers22:00:140
274109941,2cyclictest6783-21cat22:15:100
274109941,2cyclictest30237-21gltestperf20:35:130
274109941,2cyclictest11090-21fschecks_time22:25:150
274109941,2cyclictest11090-21fschecks_time22:25:140
274109940,4cyclictest4337-21ntpq20:50:150
274109940,3cyclictest5086-21ntpq22:10:170
274149931,2cyclictest717-21ntpd22:35:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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