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2026-05-21 - 08:58

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 Thu May 21, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6727991918,1cyclictest65850irq/126-lan22:20:201
6727991818,0cyclictest65850irq/126-lan21:30:191
6727991818,0cyclictest65850irq/126-lan20:40:431
6727991817,1cyclictest65850irq/126-lan22:25:221
6727991817,1cyclictest65850irq/126-lan20:45:191
6727991817,1cyclictest65850irq/126-lan19:22:331
6727991717,0cyclictest65850irq/126-lan22:33:451
6727991717,0cyclictest65850irq/126-lan19:15:101
6727991716,1cyclictest65850irq/126-lan23:30:181
6727991716,1cyclictest65850irq/126-lan23:15:191
6727991716,1cyclictest65850irq/126-lan23:10:141
6727991716,1cyclictest65850irq/126-lan21:35:121
6727991716,1cyclictest65850irq/126-lan20:35:211
6727991716,1cyclictest65850irq/126-lan20:30:141
6727991716,1cyclictest65850irq/126-lan20:02:141
6727991716,1cyclictest65850irq/126-lan19:55:191
6727991716,1cyclictest65850irq/126-lan00:15:211
6727991616,0cyclictest65850irq/126-lan23:27:431
6727991616,0cyclictest65850irq/126-lan22:10:131
6727991615,1cyclictest65850irq/126-lan23:40:191
6727991615,1cyclictest65850irq/126-lan23:05:191
6727991615,1cyclictest65850irq/126-lan23:00:211
6727991615,1cyclictest65850irq/126-lan22:55:121
6727991615,1cyclictest65850irq/126-lan22:40:181
6727991615,1cyclictest65850irq/126-lan21:05:131
6727991615,1cyclictest65850irq/126-lan21:05:121
6727991615,1cyclictest65850irq/126-lan21:00:181
6727991615,1cyclictest65850irq/126-lan19:30:191
6727991615,1cyclictest65850irq/126-lan19:10:131
6727991615,1cyclictest65850irq/126-lan00:13:491
6727991615,1cyclictest65850irq/126-lan00:05:211
6727991515,0cyclictest65850irq/126-lan22:05:121
6727991515,0cyclictest65850irq/126-lan22:03:091
6727991515,0cyclictest65850irq/126-lan21:25:391
6727991515,0cyclictest65850irq/126-lan21:22:371
6727991515,0cyclictest65850irq/126-lan20:59:081
6727991515,0cyclictest65850irq/126-lan00:30:131
6727991514,1cyclictest65850irq/126-lan21:40:151
6727991514,1cyclictest65850irq/126-lan20:05:001
6727991514,1cyclictest65850irq/126-lan19:45:201
6727991414,0cyclictest65850irq/126-lan20:20:121
6727991414,0cyclictest65850irq/126-lan20:15:131
6727991414,0cyclictest65850irq/126-lan00:20:171
6727991413,1cyclictest65850irq/126-lan23:55:121
6727991413,1cyclictest65850irq/126-lan23:45:191
6727991413,1cyclictest65850irq/126-lan20:25:121
6727991413,1cyclictest65850irq/126-lan19:40:141
6727991413,1cyclictest65850irq/126-lan00:35:151
6727991413,1cyclictest65850irq/126-lan00:25:191
6727991313,0cyclictest65850irq/126-lan22:45:161
6727991313,0cyclictest65850irq/126-lan21:55:011
6727991312,1cyclictest65850irq/126-lan23:20:201
6727991312,1cyclictest65850irq/126-lan22:50:161
6727991312,1cyclictest65850irq/126-lan22:35:221
6727991212,0cyclictest65850irq/126-lan21:15:131
6727991212,0cyclictest65850irq/126-lan21:10:221
6727991212,0cyclictest65850irq/126-lan21:10:221
6727991212,0cyclictest65850irq/126-lan19:35:121
6727991211,1cyclictest65850irq/126-lan20:50:161
6727991211,1cyclictest65850irq/126-lan19:50:091
6727991111,0cyclictest65850irq/126-lan22:15:171
6727991111,0cyclictest65850irq/126-lan19:25:211
6727991110,1cyclictest65850irq/126-lan21:50:141
6727991110,1cyclictest65850irq/126-lan21:45:161
6727991010,0cyclictest65850irq/126-lan23:54:101
67369998,1cyclictest743-21snmpd23:19:593
67369998,1cyclictest743-21snmpd22:51:473
67369998,1cyclictest743-21snmpd22:39:253
67369998,1cyclictest743-21snmpd21:00:343
67369998,1cyclictest743-21snmpd00:11:173
67329998,1cyclictest743-21snmpd22:24:192
67329998,1cyclictest743-21snmpd22:18:102
67329998,1cyclictest743-21snmpd20:04:472
67329998,1cyclictest741-21lldpd19:20:592
67279998,1cyclictest65850irq/126-lan23:35:201
67219998,1cyclictest743-21snmpd23:02:260
67219998,1cyclictest743-21snmpd22:16:040
67219998,1cyclictest743-21snmpd21:39:380
67219998,1cyclictest743-21snmpd20:13:110
67219998,1cyclictest741-21lldpd21:08:180
67219998,1cyclictest741-21lldpd21:08:170
67219998,1cyclictest741-21lldpd20:49:050
67219998,1cyclictest741-21lldpd00:24:520
67369988,0cyclictest743-21snmpd23:35:593
67369988,0cyclictest743-21snmpd23:32:153
67369988,0cyclictest743-21snmpd20:16:273
67369988,0cyclictest741-21lldpd23:16:193
67369988,0cyclictest741-21lldpd21:24:143
67369988,0cyclictest741-21lldpd20:01:293
67369988,0cyclictest741-21lldpd00:09:103
67369987,1cyclictest743-21snmpd19:14:133
67369987,1cyclictest741-21lldpd21:32:193
67369987,1cyclictest741-21lldpd21:14:103
67369987,1cyclictest741-21lldpd21:14:103
67329988,0cyclictest743-21snmpd19:30:042
67329988,0cyclictest743-21snmpd00:02:372
67329988,0cyclictest741-21lldpd22:48:452
67329988,0cyclictest741-21lldpd22:08:432
67329988,0cyclictest741-21lldpd21:38:142
67329988,0cyclictest741-21lldpd00:28:142
67329987,1cyclictest743-21snmpd22:02:142
67329987,1cyclictest743-21snmpd20:38:572
67329987,1cyclictest743-21snmpd00:30:562
67329987,1cyclictest741-21lldpd22:59:032
67329987,1cyclictest741-21lldpd20:19:452
67329986,2cyclictest743-21snmpd19:52:372
67329986,2cyclictest743-21snmpd19:17:162
67329986,2cyclictest743-21snmpd00:35:332
67219988,0cyclictest743-21snmpd20:50:520
67219988,0cyclictest741-21lldpd19:47:020
67219988,0cyclictest741-21lldpd00:05:320
67219987,1cyclictest743-21snmpd23:57:270
67219987,1cyclictest743-21snmpd21:57:450
67219987,1cyclictest743-21snmpd21:47:330
67219987,1cyclictest743-21snmpd20:41:210
67219987,1cyclictest743-21snmpd20:35:510
67219987,1cyclictest743-21snmpd19:55:500
67219987,1cyclictest743-21snmpd19:19:460
67219987,1cyclictest743-21snmpd00:29:290
67219986,2cyclictest743-21snmpd22:59:020
67219986,2cyclictest743-21snmpd00:15:260
67369977,0cyclictest743-21snmpd22:49:133
67369977,0cyclictest743-21snmpd22:27:253
67369977,0cyclictest743-21snmpd19:20:423
67369977,0cyclictest743-21snmpd00:19:443
67369977,0cyclictest741-21lldpd23:55:383
67369977,0cyclictest741-21lldpd23:43:343
67369977,0cyclictest741-21lldpd19:36:353
67369977,0cyclictest741-21lldpd00:36:133
67369976,1cyclictest743-21snmpd20:14:573
67369975,2cyclictest743-21snmpd23:53:433
67369975,2cyclictest743-21snmpd23:46:523
67369975,2cyclictest743-21snmpd23:25:303
67369975,2cyclictest743-21snmpd21:29:083
67369975,2cyclictest743-21snmpd20:44:133
67369973,3cyclictest9853-21df20:35:113
67329977,0cyclictest743-21snmpd23:55:312
67329977,0cyclictest743-21snmpd23:53:252
67329977,0cyclictest741-21lldpd23:12:012
67329977,0cyclictest741-21lldpd22:39:432
67329977,0cyclictest741-21lldpd21:57:382
67329977,0cyclictest741-21lldpd21:45:312
67329977,0cyclictest741-21lldpd21:20:562
67329976,1cyclictest743-21snmpd23:46:372
67329976,1cyclictest743-21snmpd23:21:352
67329976,1cyclictest743-21snmpd22:32:012
67329976,1cyclictest743-21snmpd20:06:552
67329975,2cyclictest743-21snmpd22:25:252
67329975,2cyclictest743-21snmpd19:40:072
67329975,2cyclictest743-21snmpd19:26:312
67329975,2cyclictest743-21snmpd00:16:052
67279977,0cyclictest65850irq/126-lan00:00:201
67219977,0cyclictest743-21snmpd23:48:160
67219977,0cyclictest743-21snmpd21:14:050
67219977,0cyclictest743-21snmpd21:14:050
67219977,0cyclictest743-21snmpd19:37:480
67219977,0cyclictest741-21lldpd23:08:150
67219977,0cyclictest741-21lldpd19:50:450
67219976,1cyclictest743-21snmpd23:37:400
67219976,1cyclictest743-21snmpd20:05:260
67219976,1cyclictest741-21lldpd21:30:520
67219976,1cyclictest522-21avahi-daemon21:50:200
67219975,2cyclictest743-21snmpd23:42:510
67219975,2cyclictest743-21snmpd22:54:460
67369966,0cyclictest741-21lldpd21:59:103
67369966,0cyclictest741-21lldpd20:50:103
67369966,0cyclictest741-21lldpd19:26:523
67369966,0cyclictest506-21systemd-resolve00:20:593
67369965,1cyclictest9305-21cpuspeed_turbos23:10:123
67369965,1cyclictest741-21lldpd21:39:243
67369965,1cyclictest741-21lldpd19:30:353
67369964,2cyclictest743-21snmpd22:05:033
67369964,2cyclictest743-21snmpd21:52:333
67369964,2cyclictest743-21snmpd19:16:393
67369962,3cyclictest6748-21wc20:25:203
67329966,0cyclictest741-21lldpd20:57:312
67329966,0cyclictest506-21systemd-resolve19:12:232
67329965,1cyclictest3950-21gltestperf20:20:132
67329964,2cyclictest743-21snmpd21:40:542
67329964,2cyclictest743-21snmpd19:48:532
67329964,2cyclictest743-21snmpd00:09:502
67329964,2cyclictest12584-21grep23:15:232
67329963,3cyclictest21491-21ntpq21:00:182
67329962,3cyclictest18398-21seq22:11:092
67329962,3cyclictest18296-21memory23:30:152
67279966,0cyclictest741-21lldpd20:12:551
67219966,0cyclictest743-21snmpd23:30:360
67219966,0cyclictest743-21snmpd21:26:410
67219966,0cyclictest741-21lldpd22:45:110
67219966,0cyclictest741-21lldpd22:42:390
67219966,0cyclictest741-21lldpd22:35:400
67219966,0cyclictest741-21lldpd00:30:280
67219966,0cyclictest522-21avahi-daemon20:24:360
67219966,0cyclictest522-21avahi-daemon19:42:210
67219965,1cyclictest743-21snmpd23:15:150
67219965,1cyclictest743-21snmpd23:10:120
67219965,1cyclictest743-21snmpd22:03:240
67219965,1cyclictest743-21snmpd21:18:500
67219965,1cyclictest743-21snmpd21:04:130
67219965,1cyclictest15905-21fschecks_count23:25:120
67219964,2cyclictest743-21snmpd21:42:060
67219964,2cyclictest743-21snmpd19:26:130
67219964,2cyclictest26244-21cat23:50:140
67219962,4cyclictest557-21NetworkManager23:23:170
67219962,3cyclictest1692-21diskstats00:10:110
67369955,0cyclictest743-21snmpd23:07:143
67369955,0cyclictest743-21snmpd22:33:213
67369955,0cyclictest743-21snmpd19:42:473
67369955,0cyclictest506-21systemd-resolve22:23:263
67369954,1cyclictest743-21snmpd20:58:583
67369954,1cyclictest29964-21cpuspeed_turbos00:00:123
67369953,2cyclictest15035-21cat20:45:133
67369952,3cyclictest743-21snmpd19:48:593
67369952,3cyclictest12779-21grep22:00:123
67369952,2cyclictest7993-21smartctl00:25:133
67369952,2cyclictest29871-21cut22:40:133
67369952,2cyclictest19505-21wc22:15:133
67369951,3cyclictest10658-21switchtime00:30:193
67369950,4cyclictest8422-21ntpq20:30:163
67369950,4cyclictest4496-21ntpq20:20:173
67329955,0cyclictest6986-21head20:25:202
67329953,2cyclictest743-21snmpd23:00:052
67329953,2cyclictest743-21snmpd20:50:162
67329953,2cyclictest743-21snmpd00:20:172
67329953,2cyclictest717-21ntpd20:10:212
67329952,3cyclictest451-21entropy21:30:102
67329951,3cyclictest7555-21grep23:05:122
67329951,3cyclictest29892-21cut22:40:132
67329951,3cyclictest27076-21smartctl21:15:142
67329951,2cyclictest3415-21cat00:15:002
67219955,0cyclictest743-21snmpd22:28:580
67219954,1cyclictest743-21snmpd20:33:480
67219953,2cyclictest743-21snmpd19:11:450
67219953,2cyclictest743-21snmpd00:38:120
67219952,2cyclictest25469-21apt22:30:110
67219952,2cyclictest19401-21ntpq20:55:160
67219952,2cyclictest15824-21ntpq19:30:150
67219951,3cyclictest27550-21seq20:00:120
67219950,5cyclictest557-21NetworkManager22:13:060
67219950,5cyclictest0-21swapper/022:05:200
67219950,4cyclictest29572-21ntp_states21:20:180
67369943,1cyclictest0-21swapper/321:05:143
67369943,1cyclictest0-21swapper/321:05:143
67369942,2cyclictest743-21snmpd22:10:043
67369942,2cyclictest575-21rs:main3
67369941,2cyclictest6465-21cpuspeed_turbos21:45:113
67369941,2cyclictest26127-21grep19:55:213
67369941,2cyclictest24257-21sed19:50:183
67369940,4cyclictest5954-21ntpq23:00:173
67369940,4cyclictest4790-21hddtemp_smartct21:40:163
67369940,3cyclictest30116-21memory20:05:163
67369940,3cyclictest27237-21memory21:15:153
67329942,2cyclictest743-21snmpd20:31:332
67329942,2cyclictest557-21NetworkManager20:45:102
67329942,2cyclictest24671-21apt-get21:10:132
67329942,2cyclictest24671-21apt-get21:10:132
67329942,2cyclictest12669-21ls20:40:222
67329941,2cyclictest25285-21fschecks_count19:55:132
67329941,2cyclictest244-20systemd-journal21:26:552
67329941,2cyclictest23073-21basename21:05:142
67329941,2cyclictest23073-21basename21:05:132
67329941,2cyclictest20398-21needreboot23:35:152
67329940,4cyclictest22629-21ntpq23:40:162
67329940,4cyclictest1888-21ntpq22:50:152
67329940,3cyclictest8585-21df21:50:112
67329940,3cyclictest15892-21diskstats23:25:122
67219944,0cyclictest741-21lldpd00:00:040
67219941,2cyclictest6905-21unixbench-2d20:25:190
67219941,2cyclictest21440-21basename22:20:110
67219940,4cyclictest11102-21cut19:20:120
67329930,3cyclictest17016-21apt-get19:35:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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