You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-14 - 17:57

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 Fri Aug 14, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14725211896,17sleep10-21swapper/107:05:561
15261211695,15sleep30-21swapper/307:07:463
15340210887,16sleep00-21swapper/007:08:470
1466429988,6sleep20-21swapper/207:05:292
261042780,0sleep20-21swapper/209:36:142
143282730,1sleep30-21swapper/308:25:133
324922720,0sleep1221ktimersoftd/107:50:131
175332670,0sleep30-21swapper/309:28:043
325602570,4sleep21546699cyclictest10:16:052
15464993316,16cyclictest0-21swapper/008:55:160
1546499300,2cyclictest0-21swapper/012:25:110
272312270,0sleep10-21swapper/109:37:571
1546799270,9cyclictest0-21swapper/310:05:113
15465992620,4cyclictest23560-21kworker/u8:111:56:041
15465992616,8cyclictest23-21ksoftirqd/108:30:121
15466992421,2cyclictest25500-21kworker/u8:010:10:062
1546699240,2cyclictest0-21swapper/207:10:102
15465992421,2cyclictest29891-21kworker/u8:211:06:041
15465992419,4cyclictest8111-21kworker/u8:110:36:051
1546599240,2cyclictest0-21swapper/112:33:051
15465992320,2cyclictest8164-21kworker/u8:009:21:051
15465992320,2cyclictest29891-21kworker/u8:211:20:041
15465992320,2cyclictest29891-21kworker/u8:210:52:051
15465992320,2cyclictest22279-21kworker/u8:009:40:041
1546599230,6cyclictest0-21swapper/109:15:041
273762220,0sleep00-21swapper/010:10:550
15466992219,2cyclictest5111-21kworker/u8:110:59:042
15466992219,2cyclictest21709-21kworker/u8:011:55:042
1546699221,19cyclictest3882-21ssh12:00:112
15465992219,2cyclictest25500-21kworker/u8:010:20:051
15465992219,2cyclictest22279-21kworker/u8:009:57:041
15465992218,2cyclictest31496-21diskmemload11:48:051
1546799210,19cyclictest0-21swapper/309:30:123
15466992118,2cyclictest29891-21kworker/u8:211:23:042
15466992118,2cyclictest29891-21kworker/u8:210:54:062
1546699210,2cyclictest0-21swapper/212:25:122
15465992118,2cyclictest6379-21kworker/u8:210:41:041
15465992118,2cyclictest5898-21kworker/u8:208:10:051
15465992118,2cyclictest5111-21kworker/u8:111:00:021
15465992118,2cyclictest31303-21kworker/u8:109:45:051
15465992118,2cyclictest25500-21kworker/u8:010:18:041
15465992118,2cyclictest23560-21kworker/u8:112:39:041
15465992118,2cyclictest21892-21kworker/u8:008:23:051
15465992118,2cyclictest21892-21kworker/u8:008:00:041
1546499211,18cyclictest0-21swapper/010:40:120
62152200,1sleep3381ktimersoftd/311:29:223
15466992017,2cyclictest8111-21kworker/u8:110:32:042
15466992017,2cyclictest5898-21kworker/u8:208:13:042
15466992017,2cyclictest29891-21kworker/u8:211:03:052
15466992017,2cyclictest21709-21kworker/u8:011:54:052
15466992017,2cyclictest14289-21kworker/u8:109:58:052
1546699200,4cyclictest4344-21ssh09:15:042
1546699200,3cyclictest0-21swapper/211:40:062
15465992017,2cyclictest7612-21kworker/u8:007:12:041
15465992017,2cyclictest6379-21kworker/u8:210:27:051
15465992017,2cyclictest5898-21kworker/u8:208:07:051
15465992017,2cyclictest29891-21kworker/u8:211:27:051
15465992017,2cyclictest29891-21kworker/u8:211:11:041
15465992017,2cyclictest23560-21kworker/u8:111:34:051
15465992017,2cyclictest21892-21kworker/u8:007:34:051
15465992017,2cyclictest20092-21kworker/u8:208:59:051
15465992017,2cyclictest18769-21kworker/u8:307:17:051
15465992017,2cyclictest14289-21kworker/u8:110:03:051
1546599200,18cyclictest207150irq/24-eth111:50:111
1546499201,2cyclictest0-21swapper/008:35:130
15466991916,2cyclictest8111-21kworker/u8:110:39:052
15466991916,2cyclictest6379-21kworker/u8:210:25:052
15466991916,2cyclictest23560-21kworker/u8:111:48:052
15466991916,2cyclictest23560-21kworker/u8:111:15:052
15466991916,2cyclictest20092-21kworker/u8:208:49:052
15466991916,2cyclictest14289-21kworker/u8:110:02:052
1546699190,12cyclictest0-21swapper/210:42:042
15465991916,2cyclictest6379-21kworker/u8:210:11:051
15465991916,2cyclictest6379-21kworker/u8:209:52:041
15465991916,2cyclictest5898-21kworker/u8:208:27:041
15465991916,2cyclictest27370-21kworker/u8:109:06:041
15465991916,2cyclictest26000-21kworker/u8:107:48:051
15465991916,2cyclictest21892-21kworker/u8:008:19:041
15465991916,2cyclictest20092-21kworker/u8:209:03:051
15465991916,2cyclictest20092-21kworker/u8:208:45:051
15465991916,2cyclictest1771-21kworker/u8:209:14:051
1546599190,2cyclictest0-21swapper/110:49:041
1546599190,18cyclictest0-21swapper/112:11:041
1546599190,15cyclictest0-21swapper/109:34:041
1546499190,2cyclictest0-21swapper/008:40:120
43452180,0sleep20-21swapper/209:47:242
15466991815,2cyclictest21892-21kworker/u8:007:37:042
15466991815,2cyclictest20092-21kworker/u8:208:54:042
15466991815,2cyclictest18769-21kworker/u8:307:23:052
15466991813,3cyclictest1771-21kworker/u8:209:20:112
1546699180,2cyclictest0-21swapper/212:36:042
15465991815,2cyclictest26000-21kworker/u8:107:41:051
15465991815,2cyclictest21892-21kworker/u8:008:40:041
15465991815,2cyclictest21892-21kworker/u8:007:57:051
15465991815,2cyclictest21892-21kworker/u8:007:38:041
15465991813,3cyclictest0-21swapper/112:05:131
1546599180,2cyclictest0-21swapper/112:22:041
1546599180,17cyclictest0-21swapper/112:18:051
1546499180,2cyclictest0-21swapper/007:10:110
1546799170,15cyclictest0-21swapper/308:50:103
15466991714,2cyclictest6379-21kworker/u8:209:54:052
15466991714,2cyclictest29891-21kworker/u8:211:28:052
15466991714,2cyclictest26000-21kworker/u8:107:50:042
15466991714,2cyclictest26000-21kworker/u8:107:42:052
15466991714,2cyclictest21892-21kworker/u8:007:58:022
15466991714,2cyclictest20092-21kworker/u8:208:44:052
15466991714,2cyclictest14289-21kworker/u8:110:09:042
1546699170,2cyclictest31496-21diskmemload11:08:042
15465991714,2cyclictest23806-21kworker/u8:108:51:041
15465991714,2cyclictest23560-21kworker/u8:111:41:051
1546599170,2cyclictest0-21swapper/111:39:041
1546599170,2cyclictest0-21swapper/110:08:041
1546599170,2cyclictest0-21swapper/109:28:041
1546799160,11cyclictest0-21swapper/310:47:053
15466991613,2cyclictest3181-21kworker/u8:108:03:042
15466991613,2cyclictest27370-21kworker/u8:109:08:052
15466991613,2cyclictest23560-21kworker/u8:112:09:052
15466991613,2cyclictest22279-21kworker/u8:009:33:052
15466991613,2cyclictest21892-21kworker/u8:008:20:052
1546699160,2cyclictest0-21swapper/212:33:042
1546699160,2cyclictest0-21swapper/212:22:042
1546699160,2cyclictest0-21swapper/210:49:052
1546699160,2cyclictest0-21swapper/209:28:042
1546599160,2cyclictest0-21swapper/112:29:051
1546499160,14cyclictest0-21swapper/012:00:100
15467991511,2cyclictest11881-21ssh12:07:363
1546799150,13cyclictest0-21swapper/311:56:033
15466991512,2cyclictest21892-21kworker/u8:008:55:052
15466991512,2cyclictest21892-21kworker/u8:008:25:042
1546699150,2cyclictest0-21swapper/211:39:052
1546699150,2cyclictest0-21swapper/209:44:012
1546699150,2cyclictest0-21swapper/207:15:052
1546699150,13cyclictest0-21swapper/211:30:132
15465991512,2cyclictest21892-21kworker/u8:008:37:051
15465991512,2cyclictest18769-21kworker/u8:307:20:051
1546599150,11cyclictest0-21swapper/107:28:041
264722140,2sleep00-21swapper/009:36:490
1546799142,6cyclictest0-21swapper/309:21:593
1546799141,2cyclictest16355-21iostat_ios07:10:153
15467991411,2cyclictest0-21swapper/312:20:533
15467991411,2cyclictest0-21swapper/311:31:433
15467991410,3cyclictest0-21swapper/311:49:333
1546799140,13cyclictest0-21swapper/309:51:033
1546799140,13cyclictest0-21swapper/309:46:343
1546799140,12cyclictest14857-21apt-get11:05:093
1546799140,12cyclictest0-21swapper/307:35:183
15466991411,2cyclictest18769-21kworker/u8:307:25:042
1546699140,3cyclictest15874-21ssh12:11:162
1546699140,12cyclictest0-21swapper/208:05:062
1546599140,2cyclictest0-21swapper/112:03:051
1546599140,2cyclictest0-21swapper/110:31:041
1546499141,7cyclictest3649-21snmpd08:10:000
1546499141,2cyclictest22150irq/25-ahci[00011:34:100
15464991411,2cyclictest0-21swapper/011:26:200
1546499140,12cyclictest0-21swapper/010:20:000
1546499140,12cyclictest0-21swapper/009:20:170
272282130,3sleep327236-21ssh10:10:433
1546799138,3cyclictest31496-21diskmemload10:25:083
15467991310,2cyclictest0-21swapper/311:41:033
15467991310,2cyclictest0-21swapper/311:35:193
15467991310,2cyclictest0-21swapper/311:01:043
15467991310,2cyclictest0-21swapper/310:23:083
15467991310,2cyclictest0-21swapper/309:38:233
1546799130,2cyclictest0-21swapper/309:59:443
1546799130,2cyclictest0-21swapper/309:13:573
1546799130,12cyclictest0-21swapper/312:15:313
1546799130,12cyclictest0-21swapper/311:50:133
1546799130,12cyclictest0-21swapper/310:38:043
1546799130,12cyclictest0-21swapper/310:04:233
15466991310,2cyclictest15963-21kworker/u8:108:34:062
1546699130,2cyclictest0-21swapper/209:12:052
1546699130,11cyclictest31496-21diskmemload12:15:452
1546699130,11cyclictest0-21swapper/211:11:322
1546699130,11cyclictest0-21swapper/210:23:172
1546599131,10cyclictest0-21swapper/110:59:051
15465991310,2cyclictest207150irq/24-eth111:17:051
1546499138,3cyclictest10386-21latency_hist12:40:000
1546499138,3cyclictest0-21swapper/007:51:370
15464991310,2cyclictest0-21swapper/012:11:190
15464991310,2cyclictest0-21swapper/012:05:200
15464991310,2cyclictest0-21swapper/011:09:300
15464991310,2cyclictest0-21swapper/010:05:160
15464991310,2cyclictest0-21swapper/010:01:000
15464991310,2cyclictest0-21swapper/008:25:110
1546499130,2cyclictest0-21swapper/011:35:190
1546499130,12cyclictest0-21swapper/011:50:200
1546499130,11cyclictest0-21swapper/011:49:490
1546499130,11cyclictest0-21swapper/010:52:120
1546499130,11cyclictest0-21swapper/009:31:040
85432120,1sleep00-21swapper/009:51:200
303942120,0sleep00-21swapper/009:40:520
208982120,2sleep00-21swapper/012:16:340
1546799129,2cyclictest0-21swapper/312:38:273
1546799129,2cyclictest0-21swapper/312:31:483
1546799129,2cyclictest0-21swapper/312:25:273
1546799129,2cyclictest0-21swapper/312:10:103
1546799129,2cyclictest0-21swapper/311:14:303
1546799129,2cyclictest0-21swapper/310:55:173
1546799129,2cyclictest0-21swapper/310:31:363
1546799129,2cyclictest0-21swapper/310:15:033
1546799129,2cyclictest0-21swapper/308:40:173
1546799129,2cyclictest0-21swapper/308:30:153
1546799129,2cyclictest0-21swapper/308:21:023
1546799129,2cyclictest0-21swapper/308:05:143
1546799129,2cyclictest0-21swapper/308:00:143
1546799129,2cyclictest0-21swapper/307:51:373
1546799122,7cyclictest0-21swapper/307:31:593
1546799120,2cyclictest0-21swapper/312:01:193
1546799120,2cyclictest0-21swapper/311:21:293
1546799120,2cyclictest0-21swapper/310:50:353
1546799120,2cyclictest0-21swapper/310:40:443
1546799120,2cyclictest0-21swapper/309:40:343
1546799120,11cyclictest0-21swapper/311:15:073
1546799120,11cyclictest0-21swapper/309:00:143
1546799120,11cyclictest0-21swapper/307:40:133
1546799120,11cyclictest0-21swapper/307:25:213
1546799120,11cyclictest0-21swapper/307:15:193
1546699129,2cyclictest0-21swapper/208:35:162
1546699120,2cyclictest0-21swapper/207:45:052
1546699120,1cyclictest0-21swapper/208:15:152
1546499129,2cyclictest19647-21ssh11:10:010
1546499129,2cyclictest0-21swapper/010:35:160
1546499129,2cyclictest0-21swapper/009:19:070
1546499129,2cyclictest0-21swapper/009:13:310
1546499129,2cyclictest0-21swapper/008:46:030
1546499129,2cyclictest0-21swapper/007:35:140
1546499120,2cyclictest0-21swapper/012:32:420
1546499120,2cyclictest0-21swapper/009:45:510
1546499120,11cyclictest0-21swapper/011:56:140
1546499120,11cyclictest0-21swapper/011:40:140
1546499120,11cyclictest0-21swapper/011:20:090
1546499120,11cyclictest0-21swapper/011:03:470
1546499120,11cyclictest0-21swapper/010:46:200
1546499120,11cyclictest0-21swapper/009:57:580
1546499120,11cyclictest0-21swapper/009:25:500
1546499120,10cyclictest6279-21ssh10:55:260
1546499120,10cyclictest0-21swapper/011:16:160
1546499120,10cyclictest0-21swapper/010:15:120
1546799118,2cyclictest0-21swapper/309:15:443
1546799111,7cyclictest4562-21gdm-simple-gree08:17:593
1546699110,2cyclictest0-21swapper/209:00:162
1546699110,2cyclictest0-21swapper/207:32:052
1546499118,2cyclictest0-21swapper/012:21:290
1546499118,2cyclictest0-21swapper/008:30:170
1546499117,2cyclictest11670-21sendmail08:19:590
1546499110,2cyclictest0-21swapper/010:26:200
1546499110,2cyclictest0-21swapper/007:15:150
1546499110,10cyclictest0-21swapper/010:33:250
1546499110,10cyclictest0-21swapper/008:20:160
1546799107,2cyclictest0-21swapper/308:13:563
1546799107,2cyclictest0-21swapper/307:21:023
1546799105,3cyclictest25941-21grep08:55:173
1546799102,7cyclictest0-21swapper/307:58:593
1546799100,7cyclictest4562-21gdm-simple-gree07:48:583
1546499107,2cyclictest0-21swapper/009:00:180
1546499101,6cyclictest0-21swapper/008:03:440
1546499100,6cyclictest0-21swapper/008:54:590
1546499100,2cyclictest0-21swapper/008:13:510
154679996,2cyclictest0-21swapper/309:05:293
154649996,2cyclictest0-21swapper/007:33:430
154649996,2cyclictest0-21swapper/007:20:190
154649991,6cyclictest296122sleep007:44:070
154649991,6cyclictest0-21swapper/007:56:020
154649990,8cyclictest0-21swapper/009:07:490
154649990,7cyclictest0-21swapper/007:25:520
154679985,2cyclictest0-21swapper/308:35:523
154679984,2cyclictest21824-21telnet08:45:133
154649972,3cyclictest30142-21tr07:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional