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2026-06-13 - 18:22

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 all highest latencies:
System rack3slot6s.osadl.org (updated Sat Jun 13, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5241211088,16sleep10-21swapper/107:09:151
5160210897,6sleep30-21swapper/307:08:133
5070210880,6sleep00-21swapper/007:07:020
5015210377,6sleep20-21swapper/207:06:202
114622700,0sleep00-21swapper/007:25:000
532699330,31cyclictest0-21swapper/010:35:120
327052270,5sleep1532799cyclictest11:40:291
262592240,2sleep226262-21cut08:00:152
532999231,3cyclictest8450-21ssh11:15:113
532999221,14cyclictest0-21swapper/310:25:133
532699221,19cyclictest21680-21diskmemload10:45:120
84622210,0sleep20-21swapper/210:05:152
532999208,3cyclictest0-21swapper/308:55:143
5328992017,2cyclictest20279-21kworker/u8:209:44:022
5328992017,2cyclictest17354-21kworker/u8:011:42:052
532899200,2cyclictest0-21swapper/211:10:112
532899200,2cyclictest0-21swapper/207:10:112
5327992017,2cyclictest30674-21kworker/u8:010:35:041
5327992017,2cyclictest30673-21kworker/u8:110:22:051
5327992017,2cyclictest30673-21kworker/u8:110:14:041
5327992017,2cyclictest28105-21kworker/u8:108:18:051
5327992017,2cyclictest20279-21kworker/u8:210:03:041
532799200,18cyclictest0-21swapper/112:35:111
241102200,1sleep30-21swapper/309:11:283
185832200,1sleep10-21swapper/109:40:481
532999192,6cyclictest0-21swapper/312:05:003
532999192,6cyclictest0-21swapper/312:05:003
5328991916,2cyclictest26531-21kworker/u8:112:13:042
5328991916,2cyclictest20071-21kworker/u8:212:07:042
5327991916,2cyclictest9003-21kworker/u8:009:37:041
5327991916,2cyclictest32028-21kworker/u8:208:36:051
5327991916,2cyclictest20279-21kworker/u8:209:49:041
5327991916,2cyclictest16217-21kworker/u8:011:12:041
5327991916,2cyclictest13653-21kworker/u8:008:04:011
5327991916,2cyclictest11545-21kworker/u8:111:21:041
532799190,2cyclictest0-21swapper/111:15:111
532799190,14cyclictest0-21swapper/110:25:041
3712190,1sleep00-21swapper/009:56:030
224482190,0sleep30-21swapper/310:20:143
532999182,6cyclictest0-21swapper/307:42:583
532999181,3cyclictest0-21swapper/309:27:583
5328991815,2cyclictest1269-21kworker/u8:211:54:052
5327991815,2cyclictest20071-21kworker/u8:212:34:051
5327991815,2cyclictest20071-21kworker/u8:212:20:011
5327991815,2cyclictest11841-21kworker/u8:009:00:041
206602180,0sleep20-21swapper/209:05:182
532999172,6cyclictest23581-21copy07:55:003
532999171,6cyclictest0-21swapper/308:15:003
5328991714,2cyclictest20788-21kworker/u8:107:25:052
5328991714,2cyclictest20071-21kworker/u8:212:35:042
532899170,12cyclictest0-21swapper/207:55:042
5327991714,2cyclictest9003-21kworker/u8:009:32:021
5327991714,2cyclictest5611-21kworker/u8:007:19:041
5327991714,2cyclictest29745-21kworker/u8:209:29:041
5327991714,2cyclictest28105-21kworker/u8:108:26:051
5327991714,2cyclictest28105-21kworker/u8:108:20:041
5327991714,2cyclictest20788-21kworker/u8:107:26:051
5327991714,2cyclictest20071-21kworker/u8:212:29:041
5327991714,2cyclictest17354-21kworker/u8:011:46:011
5327991714,2cyclictest13653-21kworker/u8:007:53:051
5327991714,2cyclictest13570-21kworker/u8:011:57:041
5327991714,2cyclictest11841-21kworker/u8:008:50:041
5327991714,2cyclictest11841-21kworker/u8:008:46:041
532799170,12cyclictest0-21swapper/112:17:041
532799170,12cyclictest0-21swapper/110:49:041
293492170,1sleep20-21swapper/209:52:432
532999162,7cyclictest15636-21copy08:55:013
5329991611,3cyclictest14303-21ssh11:55:543
5328991613,2cyclictest6298-21kworker/u8:211:35:042
5328991613,2cyclictest3564-21kworker/u8:210:46:022
5328991613,2cyclictest32028-21kworker/u8:208:39:042
5328991613,2cyclictest30673-21kworker/u8:110:43:042
5328991613,2cyclictest20788-21kworker/u8:107:36:042
5328991613,2cyclictest20020-21kworker/u8:109:16:042
5328991613,2cyclictest16217-21kworker/u8:011:08:042
5328991613,2cyclictest13653-21kworker/u8:007:46:052
5327991613,2cyclictest22253-21kworker/u8:211:00:041
5327991613,2cyclictest17891-21kworker/u8:207:44:041
5327991613,2cyclictest16217-21kworker/u8:010:55:041
5327991613,2cyclictest13653-21kworker/u8:008:12:041
5327991613,2cyclictest13653-21kworker/u8:007:33:041
5327991613,2cyclictest11841-21kworker/u8:009:21:041
532799160,2cyclictest0-21swapper/109:18:041
5326991612,2cyclictest0-21swapper/010:10:290
5328991512,2cyclictest3316-21kworker/u8:109:30:012
5328991512,2cyclictest30674-21kworker/u8:010:31:052
5328991512,2cyclictest30673-21kworker/u8:110:38:012
5328991512,2cyclictest20788-21kworker/u8:107:22:012
5328991512,2cyclictest13653-21kworker/u8:007:51:052
5328991512,2cyclictest13570-21kworker/u8:012:04:042
5328991512,2cyclictest13570-21kworker/u8:012:04:042
5328991512,2cyclictest11841-21kworker/u8:009:24:042
5328991512,2cyclictest11841-21kworker/u8:008:48:042
532899151,12cyclictest17313-21ssh10:15:052
5328991510,3cyclictest8825-21df_abs11:15:132
532899150,2cyclictest0-21swapper/212:27:042
5327991512,2cyclictest6708-21kworker/u8:112:01:041
5327991512,2cyclictest6708-21kworker/u8:112:01:041
5327991512,2cyclictest32028-21kworker/u8:208:42:021
5327991512,2cyclictest28105-21kworker/u8:108:33:041
5327991512,2cyclictest20788-21kworker/u8:107:38:041
5327991512,2cyclictest20788-21kworker/u8:107:13:041
5327991512,2cyclictest17354-21kworker/u8:011:25:041
5327991512,2cyclictest11841-21kworker/u8:009:10:041
532799151,12cyclictest23536-21apt-get07:55:061
532799150,2cyclictest0-21swapper/110:08:041
532799150,14cyclictest0-21swapper/111:53:041
532799150,13cyclictest0-21swapper/108:05:131
5326991510,3cyclictest0-21swapper/012:30:130
532699150,13cyclictest27935-21ssh11:35:200
532699150,13cyclictest21680-21diskmemload09:44:190
532699150,13cyclictest0-21swapper/011:55:180
532699150,13cyclictest0-21swapper/010:30:110
532999149,3cyclictest31404-21diskstats12:15:153
532999142,6cyclictest0-21swapper/310:35:003
532999142,6cyclictest0-21swapper/310:10:013
532899142,7cyclictest31004-21ssh10:30:002
532899142,7cyclictest0-21swapper/211:30:002
532899141,2cyclictest9926-21telnet08:40:152
5328991411,2cyclictest3316-21kworker/u8:109:38:052
5328991411,2cyclictest3316-21kworker/u8:109:27:042
5328991411,2cyclictest30673-21kworker/u8:109:59:042
5328991411,2cyclictest20020-21kworker/u8:109:14:042
532899140,12cyclictest0-21swapper/212:31:012
532899140,12cyclictest0-21swapper/212:20:062
5327991411,2cyclictest13653-21kworker/u8:007:46:011
532799140,2cyclictest0-21swapper/111:38:051
532799140,2cyclictest0-21swapper/111:05:041
532799140,2cyclictest0-21swapper/110:52:041
532799140,2cyclictest0-21swapper/108:55:041
532799140,12cyclictest21680-21diskmemload10:40:041
532799140,12cyclictest21680-21diskmemload10:32:371
532699140,2cyclictest0-21swapper/012:35:490
532699140,2cyclictest0-21swapper/008:21:030
532699140,12cyclictest7163-21ssh11:48:360
532999138,3cyclictest8415-21diskstats09:30:133
532999131,7cyclictest19676-21munin-run09:05:003
532999131,6cyclictest0-21swapper/311:00:003
532899138,3cyclictest0-21swapper/211:31:022
5328991310,2cyclictest28105-21kworker/u8:108:52:042
5328991310,2cyclictest0-21swapper/211:55:222
5328991310,2cyclictest0-21swapper/210:53:402
532899130,9cyclictest0-21swapper/208:30:042
532899130,2cyclictest0-21swapper/208:26:032
5327991310,2cyclictest0-21swapper/110:15:081
532799130,3cyclictest3728-21runrttasks12:14:081
532799130,2cyclictest0-21swapper/109:55:191
532799130,12cyclictest0-21swapper/112:08:051
532799130,12cyclictest0-21swapper/111:34:361
5326991310,2cyclictest1438-21ssh11:41:500
5326991310,2cyclictest0-21swapper/011:33:360
5326991310,2cyclictest0-21swapper/011:05:300
5326991310,2cyclictest0-21swapper/010:40:090
5326991310,2cyclictest0-21swapper/008:55:000
532699130,2cyclictest1373-21ssh09:22:250
532699130,2cyclictest0-21swapper/012:10:100
532699130,2cyclictest0-21swapper/011:00:150
532699130,2cyclictest0-21swapper/010:24:400
532699130,2cyclictest0-21swapper/010:05:090
532699130,2cyclictest0-21swapper/009:34:390
532699130,12cyclictest5325-21cyclictest12:15:450
532699130,12cyclictest24018-21ssh09:11:190
532699130,12cyclictest0-21swapper/009:18:590
532699130,12cyclictest0-21swapper/007:55:140
532699130,11cyclictest276402sleep009:50:330
532699130,11cyclictest0-21swapper/011:50:520
532699130,11cyclictest0-21swapper/010:57:250
532699130,11cyclictest0-21swapper/010:03:360
274702130,1sleep30-21swapper/311:00:143
532999129,2cyclictest0-21swapper/311:37:043
532999127,3cyclictest5826-21grep07:10:143
532999127,3cyclictest4029-21tr11:45:133
532999124,7cyclictest0-21swapper/311:32:013
532999122,6cyclictest0-21swapper/308:45:003
532999121,9cyclictest0-21swapper/312:35:103
532999120,10cyclictest690-21sensors_fan08:16:003
532999120,10cyclictest0-21swapper/310:14:543
532999120,10cyclictest0-21swapper/309:36:033
532899129,2cyclictest28105-21kworker/u8:108:21:042
532899129,2cyclictest17891-21kworker/u8:207:41:042
532899120,2cyclictest21680-21diskmemload09:47:502
532899120,2cyclictest14561-21timerwakeupswit10:11:042
532899120,2cyclictest0-21swapper/210:20:302
532899120,11cyclictest0-21swapper/212:15:412
532899120,11cyclictest0-21swapper/211:45:012
532899120,11cyclictest0-21swapper/211:20:332
532899120,11cyclictest0-21swapper/210:01:022
532899120,11cyclictest0-21swapper/207:31:042
532799120,1cyclictest0-21swapper/109:50:041
532699129,2cyclictest0-21swapper/011:25:310
532699129,2cyclictest0-21swapper/011:10:200
532699129,2cyclictest0-21swapper/008:26:040
532699129,2cyclictest0-21swapper/007:45:140
532699129,2cyclictest0-21swapper/007:10:120
532699127,3cyclictest0-21swapper/007:35:140
532699122,5cyclictest21745-21copy12:05:000
532699120,2cyclictest0-21swapper/010:52:110
532699120,2cyclictest0-21swapper/010:15:250
532699120,2cyclictest0-21swapper/009:45:110
532699120,2cyclictest0-21swapper/009:35:060
532699120,2cyclictest0-21swapper/009:25:080
532699120,11cyclictest21680-21diskmemload12:27:060
532699120,11cyclictest0-21swapper/012:21:020
532699120,11cyclictest0-21swapper/012:00:020
532699120,11cyclictest0-21swapper/012:00:020
532699120,11cyclictest0-21swapper/011:16:020
532699120,11cyclictest0-21swapper/008:40:520
532699120,11cyclictest0-21swapper/008:00:170
532699120,11cyclictest0-21swapper/007:25:020
532699120,11cyclictest0-21swapper/007:16:030
288502120,2sleep20-21swapper/211:01:072
532999116,3cyclictest14334-21ssh11:20:453
532999116,3cyclictest13178-21ntp_kernel_pll_12:30:173
532999115,4cyclictest2850-21rsyslogd12:05:323
532999112,5cyclictest0-21swapper/310:15:003
532999111,3cyclictest0-21swapper/311:28:583
532999111,2cyclictest3728-21runrttasks11:14:363
532999111,2cyclictest21680-21diskmemload10:36:413
532999110,9cyclictest0-21swapper/311:44:553
532999110,3cyclictest10702-21rm10:41:503
532999110,2cyclictest21680-21diskmemload11:51:243
532899118,2cyclictest0-21swapper/210:57:512
532899118,2cyclictest0-21swapper/208:55:132
532899116,3cyclictest18239-21df_abs09:00:132
532899110,10cyclictest0-21swapper/208:05:132
532799112,6cyclictest0-21swapper/107:24:581
532699118,2cyclictest0-21swapper/008:45:130
532699110,2cyclictest0-21swapper/011:20:450
532699110,10cyclictest0-21swapper/010:25:120
532999106,2cyclictest21680-21diskmemload09:42:343
532999105,3cyclictest28291-21unixbench_singl09:51:033
532999105,3cyclictest26263-21sort08:00:163
532999105,3cyclictest14110-21sshd10:45:323
532999105,3cyclictest10721-21ssh12:27:593
532999105,3cyclictest10439-21ethtool08:40:183
532999102,6cyclictest0-21swapper/307:30:003
532999101,6cyclictest0-21swapper/308:20:113
532999100,8cyclictest21680-21diskmemload10:01:293
532999100,8cyclictest11318-21runrttasks07:24:243
532999100,8cyclictest0-21swapper/309:58:203
532999100,8cyclictest0-21swapper/309:45:543
532899105,3cyclictest31131-21mailstats08:11:002
532899102,7cyclictest0-21swapper/208:15:022
532799105,3cyclictest0-21swapper/109:05:141
532699107,2cyclictest0-21swapper/009:00:010
532699102,6cyclictest0-21swapper/008:34:580
532699102,6cyclictest0-21swapper/008:12:500
532699100,9cyclictest0-21swapper/007:40:590
532699100,7cyclictest0-21swapper/009:07:580
53299994,3cyclictest8446-21iostat_ios08:35:163
53299994,3cyclictest4814-21ssh12:20:583
53299994,3cyclictest4707-21processes08:25:203
53299994,3cyclictest31960-21sh11:05:143
53299994,3cyclictest29348-21unixbench_multi08:06:023
53299994,3cyclictest28430-21vmstat09:16:043
53299994,3cyclictest23880-21sh07:55:113
53299994,3cyclictest21275-21sed09:06:043
53299994,3cyclictest0-21swapper/307:30:133
53299993,4cyclictest19422-21grep10:51:033
53299993,4cyclictest15859-21aten2.4-expect07:35:143
53299992,5cyclictest0-21swapper/308:33:583
53299991,5cyclictest4562-21gdm-simple-gree09:22:583
53299991,3cyclictest0-21swapper/312:11:033
53299991,3cyclictest0-21swapper/307:45:183
53289991,3cyclictest0-21swapper/207:15:132
53269994,3cyclictest14553-21ntp_states07:30:180
53269994,3cyclictest14332-21tune2fs08:50:120
53269992,6cyclictest0-21swapper/008:36:580
53269992,6cyclictest0-21swapper/007:52:460
53269991,5cyclictest0-21swapper/008:16:000
53269991,4cyclictest0-21swapper/008:10:000
53299983,3cyclictest7662-21aten2.4_r3power07:15:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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