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2026-07-18 - 14:03

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot6s.osadl.org (updated Sat Jul 18, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16105211895,18sleep00-21swapper/007:06:340
15655211190,16sleep20-21swapper/207:05:522
16161211088,15sleep10-21swapper/107:07:191
16128210786,16sleep30-21swapper/307:06:533
37892770,1sleep20-21swapper/207:56:032
205082540,0sleep020506-21ssh10:03:320
1639999380,19cyclictest0-21swapper/011:45:120
1640099360,19cyclictest0-21swapper/109:55:131
286392270,1sleep10-21swapper/109:00:001
1640199270,16cyclictest0-21swapper/211:45:122
1640199251,22cyclictest16923-21ssh10:00:112
52452230,0sleep20-21swapper/210:54:282
1640199220,17cyclictest0-21swapper/212:12:042
1640299213,16cyclictest0-21swapper/309:45:133
1640299210,19cyclictest0-21swapper/309:55:133
16401992118,2cyclictest6093-21kworker/u8:011:08:052
16402992016,2cyclictest0-21swapper/312:30:123
1640299200,2cyclictest0-21swapper/311:50:113
1640199202,2cyclictest0-21swapper/211:25:042
16401992017,2cyclictest7270-21kworker/u8:212:18:042
16401992017,2cyclictest32734-21kworker/u8:209:17:042
16401992017,2cyclictest32303-21kworker/u8:011:24:042
16401992017,2cyclictest31542-21kworker/u8:210:55:042
16401992017,2cyclictest25516-21kworker/u8:211:51:042
1640199200,15cyclictest0-21swapper/209:37:042
1640099200,2cyclictest0-21swapper/111:50:111
16402991916,2cyclictest6093-21kworker/u8:011:10:043
16401991916,2cyclictest6112-21kworker/u8:109:54:042
16401991916,2cyclictest4548-21kworker/u8:108:22:012
16401991916,2cyclictest32734-21kworker/u8:209:14:042
16401991916,2cyclictest31542-21kworker/u8:210:49:042
16401991916,2cyclictest31090-21kworker/u8:210:10:012
16401991916,2cyclictest25547-21kworker/u8:010:40:052
16401991916,2cyclictest22433-21kworker/u8:009:33:042
16401991916,2cyclictest22433-21kworker/u8:009:33:042
16401991916,2cyclictest20366-21kworker/u8:112:00:042
16401991916,2cyclictest14781-21kworker/u8:011:37:042
16401991916,2cyclictest12694-21kworker/u8:008:52:042
16401991916,2cyclictest12694-21kworker/u8:008:35:042
1640199190,2cyclictest0-21swapper/209:24:052
16402991815,2cyclictest25547-21kworker/u8:010:31:043
1640299180,2cyclictest0-21swapper/311:42:043
16401991815,2cyclictest4548-21kworker/u8:108:28:042
16401991815,2cyclictest4548-21kworker/u8:108:02:042
16401991815,2cyclictest24732-21kworker/u8:007:34:042
16401991815,2cyclictest16171-21kworker/u8:107:26:062
1640199180,2cyclictest0-21swapper/211:44:042
1640199180,2cyclictest0-21swapper/209:48:042
1640199180,14cyclictest0-21swapper/212:23:042
16402991713,2cyclictest25547-21kworker/u8:010:09:043
16401991714,2cyclictest4548-21kworker/u8:108:07:042
16401991714,2cyclictest30588-21kworker/u8:012:30:042
16401991714,2cyclictest18691-21kworker/u8:208:49:042
16401991714,2cyclictest16171-21kworker/u8:107:16:012
1640199170,2cyclictest0-21swapper/209:57:042
16402991613,2cyclictest7802-21kworker/u8:111:34:043
16402991611,3cyclictest4269-21ssh10:53:013
1640299161,13cyclictest16310-21perl11:05:153
16401991613,2cyclictest4548-21kworker/u8:108:17:042
16401991613,2cyclictest24732-21kworker/u8:007:42:042
16401991613,2cyclictest12694-21kworker/u8:008:41:042
1640199160,3cyclictest0-21swapper/209:28:012
16399991611,3cyclictest5419-21ssh10:20:360
1639999161,13cyclictest30738-21ssh11:20:140
1639999161,13cyclictest0-21swapper/012:00:210
16402991512,2cyclictest32177-21kworker/u8:012:05:043
16402991512,2cyclictest31090-21kworker/u8:210:22:043
16402991512,2cyclictest22433-21kworker/u8:009:34:043
16402991512,2cyclictest22433-21kworker/u8:009:34:043
16402991512,2cyclictest20366-21kworker/u8:112:01:043
16402991512,2cyclictest20366-21kworker/u8:111:58:043
16402991512,2cyclictest15928-21kworker/u8:112:15:043
16402991510,3cyclictest0-21swapper/308:55:053
16401991512,2cyclictest30255-21kworker/u8:107:50:022
16401991512,2cyclictest25547-21kworker/u8:010:26:042
1640199150,2cyclictest0-21swapper/212:39:042
1640199150,2cyclictest0-21swapper/211:00:042
1640199150,14cyclictest0-21swapper/210:32:042
1640099151,12cyclictest20212-21ssh10:03:061
1640099150,12cyclictest0-21swapper/110:20:131
1639999151,12cyclictest12590-21perl09:55:160
16399991510,3cyclictest3649-21snmpd11:14:320
16399991510,3cyclictest28456-21touch09:00:000
1639999150,13cyclictest9958-21munin-node0
1640299149,3cyclictest14417-21ssh12:10:133
16402991411,2cyclictest32303-21kworker/u8:011:28:043
16402991411,2cyclictest31542-21kworker/u8:210:57:043
16402991411,2cyclictest25547-21kworker/u8:010:47:043
16402991411,2cyclictest25547-21kworker/u8:010:44:013
16402991411,2cyclictest20568-21kworker/u8:211:38:013
16402991411,2cyclictest20568-21kworker/u8:211:18:053
16402991411,2cyclictest12694-21kworker/u8:009:19:043
16402991411,2cyclictest12694-21kworker/u8:008:38:013
16402991410,2cyclictest0-21swapper/308:40:153
1640299140,2cyclictest0-21swapper/310:15:163
16401991411,2cyclictest28665-21kworker/u8:109:07:042
16401991411,2cyclictest16171-21kworker/u8:107:13:042
16401991411,2cyclictest0-21swapper/212:05:292
1640199140,7cyclictest0-21swapper/208:12:022
1640199140,2cyclictest0-21swapper/211:55:042
1640199140,2cyclictest0-21swapper/211:32:202
1640199140,13cyclictest0-21swapper/210:36:592
1640199140,12cyclictest0-21swapper/211:11:492
1640099149,3cyclictest0-21swapper/109:33:381
1640099149,3cyclictest0-21swapper/109:33:381
1640099141,3cyclictest6706-21munin-node1
16400991411,2cyclictest0-21swapper/109:35:171
1640099141,11cyclictest0-21swapper/109:20:291
1640099140,12cyclictest32473-21diskmemload11:06:211
1640099140,12cyclictest0-21swapper/111:13:081
16399991411,2cyclictest0-21swapper/012:36:460
16399991411,2cyclictest0-21swapper/011:43:060
16399991411,2cyclictest0-21swapper/011:01:560
1639999140,13cyclictest0-21swapper/009:53:160
1639999140,12cyclictest0-21swapper/012:22:460
1639999140,12cyclictest0-21swapper/010:13:500
1640299138,3cyclictest24309-21sed11:46:053
1640299132,7cyclictest0-21swapper/307:45:003
1640299132,6cyclictest0-21swapper/310:15:013
16402991310,2cyclictest8070-21kworker/u8:109:38:043
16402991310,2cyclictest8070-21kworker/u8:109:25:043
16402991310,2cyclictest30588-21kworker/u8:012:28:043
16402991310,2cyclictest25547-21kworker/u8:010:28:053
16402991310,2cyclictest14118-21kworker/u8:111:03:043
1640299130,8cyclictest0-21swapper/310:35:043
1640299130,2cyclictest7119-21ssh09:50:083
1640299130,2cyclictest0-21swapper/310:02:053
1640299130,2cyclictest0-21swapper/309:21:273
1640299130,12cyclictest0-21swapper/309:05:113
1640299130,12cyclictest0-21swapper/309:00:163
16401991310,2cyclictest28665-21kworker/u8:109:01:042
16401991310,2cyclictest0-21swapper/209:40:172
16401991310,2cyclictest0-21swapper/208:55:182
1640199130,2cyclictest0-21swapper/211:15:532
1640199130,2cyclictest0-21swapper/210:17:142
1640099138,3cyclictest27361-21grep11:16:061
1640099131,3cyclictest0-21swapper/108:10:161
1640099131,2cyclictest5609-21cut08:00:401
1640099131,2cyclictest28211-21ssh10:10:591
1640099131,10cyclictest32473-21diskmemload12:32:011
1640099131,10cyclictest22022-21munin-run11:45:001
16400991310,2cyclictest207150irq/24-eth111:39:011
16400991310,2cyclictest0-21swapper/111:00:161
16400991310,2cyclictest0-21swapper/110:45:171
16400991310,2cyclictest0-21swapper/107:40:001
16400991310,2cyclictest0-21swapper/107:10:151
1640099130,12cyclictest0-21swapper/112:25:191
1640099130,12cyclictest0-21swapper/111:46:051
1640099130,11cyclictest0-21swapper/110:54:091
1640099130,11cyclictest0-21swapper/110:25:581
1640099130,11cyclictest0-21swapper/110:16:261
1639999132,6cyclictest7592-21ssh11:30:000
1639999131,10cyclictest7425-21ssh09:16:120
16399991310,2cyclictest32473-21diskmemload09:22:360
16399991310,2cyclictest0-21swapper/012:25:300
16399991310,2cyclictest0-21swapper/012:16:040
16399991310,2cyclictest0-21swapper/011:35:260
16399991310,2cyclictest0-21swapper/011:33:190
16399991310,2cyclictest0-21swapper/010:40:300
16399991310,2cyclictest0-21swapper/010:35:260
16399991310,2cyclictest0-21swapper/009:35:390
16399991310,2cyclictest0-21swapper/009:25:460
1639999130,3cyclictest9916-21ssh10:59:120
1639999130,2cyclictest13874-21munin-node0
1639999130,2cyclictest0-21swapper/011:50:260
1639999130,2cyclictest0-21swapper/009:47:570
1639999130,2cyclictest0-21swapper/008:15:290
1639999130,2cyclictest0-21swapper/007:25:000
1639999130,11cyclictest0-21swapper/011:56:240
156992130,1sleep00-21swapper/011:05:100
19462120,2sleep30-21swapper/311:24:213
1640299129,2cyclictest7794-21kworker/u8:208:14:043
1640299129,2cyclictest31090-21kworker/u8:209:42:043
1640299129,2cyclictest30588-21kworker/u8:012:37:043
1640299129,2cyclictest24732-21kworker/u8:007:45:043
1640299129,2cyclictest16171-21kworker/u8:107:21:023
1640299129,2cyclictest16171-21kworker/u8:107:18:043
1640299122,7cyclictest0-21swapper/308:49:593
1640299120,2cyclictest0-21swapper/308:20:143
1640299120,2cyclictest0-21swapper/307:30:183
1640299120,11cyclictest0-21swapper/307:10:163
1640199123,5cyclictest0-21swapper/207:21:002
1640199120,2cyclictest32473-21diskmemload10:21:012
1640199120,2cyclictest0-21swapper/210:06:032
1640199120,2cyclictest0-21swapper/207:35:402
1640199120,11cyclictest0-21swapper/212:25:322
1640099129,2cyclictest32473-21diskmemload11:55:071
1640099129,2cyclictest0-21swapper/111:26:551
1640099129,2cyclictest0-21swapper/110:05:021
1640099129,2cyclictest0-21swapper/109:42:551
1640099121,9cyclictest32473-21diskmemload09:46:051
1640099121,9cyclictest0-21swapper/109:51:071
1640099121,9cyclictest0-21swapper/107:55:131
1640099121,9cyclictest0-21swapper/107:25:151
1640099121,3cyclictest18921-21cpuspeed_turbos07:15:111
1640099121,3cyclictest0-21swapper/109:25:121
1640099121,3cyclictest0-21swapper/109:01:041
1640099120,2cyclictest0-21swapper/111:30:131
1640099120,2cyclictest0-21swapper/110:41:031
1640099120,2cyclictest0-21swapper/109:15:161
1640099120,2cyclictest0-21swapper/108:30:181
1640099120,11cyclictest0-21swapper/112:05:271
1640099120,11cyclictest0-21swapper/112:00:141
1640099120,11cyclictest0-21swapper/111:20:301
1640099120,10cyclictest0-21swapper/112:20:411
1639999129,2cyclictest0-21swapper/012:10:060
1639999129,2cyclictest0-21swapper/010:50:520
1639999129,2cyclictest0-21swapper/010:45:580
1639999129,2cyclictest0-21swapper/010:27:560
1639999129,2cyclictest0-21swapper/009:40:130
1639999129,2cyclictest0-21swapper/009:10:240
1639999129,2cyclictest0-21swapper/009:05:160
1639999129,2cyclictest0-21swapper/009:03:160
1639999129,2cyclictest0-21swapper/007:41:050
1639999120,2cyclictest0-21swapper/012:30:590
1639999120,2cyclictest0-21swapper/010:15:330
1639999120,2cyclictest0-21swapper/010:06:080
1639999120,2cyclictest0-21swapper/008:00:480
1639999120,2cyclictest0-21swapper/007:30:150
1639999120,2cyclictest0-21swapper/007:10:190
1639999120,11cyclictest0-21swapper/011:15:170
1639999120,11cyclictest0-21swapper/009:31:520
1639999120,11cyclictest0-21swapper/009:31:520
1639999120,11cyclictest0-21swapper/008:50:140
1639999120,11cyclictest0-21swapper/007:50:140
1639999120,11cyclictest0-21swapper/007:20:180
1640299118,2cyclictest4548-21kworker/u8:108:08:043
1640299118,2cyclictest0-21swapper/312:20:163
1640299118,2cyclictest0-21swapper/307:50:143
1640299116,3cyclictest398-21telnet09:10:143
1640299116,3cyclictest17414-21tr08:30:183
1640299115,4cyclictest4556-21metacity08:26:003
1640299112,6cyclictest0-21swapper/308:16:013
1640099111,8cyclictest20593-21apt-get08:40:111
1640099111,8cyclictest0-21swapper/109:10:151
1640099111,2cyclictest31301-21perl07:45:151
1640099110,9cyclictest0-21swapper/112:15:141
1640099110,9cyclictest0-21swapper/110:35:141
1640099110,9cyclictest0-21swapper/108:50:161
1640099110,9cyclictest0-21swapper/108:45:131
1640099110,3cyclictest6638-21stty12:35:141
1640099110,3cyclictest28766-21munin-node1
1640099110,3cyclictest0-21swapper/109:06:031
1640099110,3cyclictest0-21swapper/108:26:011
1640099110,3cyclictest0-21swapper/108:15:141
1640099110,2cyclictest0-21swapper/110:33:111
1640099110,10cyclictest0-21swapper/112:10:101
1640099110,10cyclictest0-21swapper/107:50:401
1639999118,2cyclictest0-21swapper/008:35:090
1639999116,3cyclictest31623-21needreboot07:45:180
1640299107,2cyclictest24732-21kworker/u8:007:35:043
1640299107,2cyclictest2321-21kworker/u8:007:55:043
1640299105,3cyclictest3728-21runrttasks07:28:223
1640199100,2cyclictest0-21swapper/208:34:552
1640099106,2cyclictest0-21swapper/108:35:121
1640099106,2cyclictest0-21swapper/108:20:141
1640099106,2cyclictest0-21swapper/108:05:141
1640099100,8cyclictest0-21swapper/107:30:121
1640099100,2cyclictest0-21swapper/107:20:181
1639999107,2cyclictest0-21swapper/008:10:200
1639999105,3cyclictest20420-21latency_hist07:20:010
1639999102,4cyclictest0-21swapper/008:50:000
1639999101,5cyclictest0-21swapper/007:40:000
164029990,8cyclictest0-21swapper/308:53:083
164029990,7cyclictest0-21swapper/308:00:043
164019994,3cyclictest31692-21open_inodes07:45:192
163999996,2cyclictest101ktimersoftd/008:30:130
163999996,2cyclictest0-21swapper/008:25:170
163999995,2cyclictest3728-21runrttasks08:40:240
163999994,3cyclictest3158-21dbus-daemon08:05:040
163999994,3cyclictest3151-21nscd08:20:120
163999994,3cyclictest2643-21tr07:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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