You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-01 - 19:15

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 #e, 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
  TI
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.

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 rackeslot6s.osadl.org (updated Mon Jun 01, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1904119997646,11cyclictest15-21rcuc/011:45:010
1904119996559,3cyclictest0-21swapper/010:30:170
1904122996148,11cyclictest0-21swapper/111:15:011
1904123995945,5cyclictest311ktimers/210:10:162
1904123995945,5cyclictest311ktimers/210:10:162
190412399586,33cyclictest32-21ksoftirqd/207:10:192
190411999583,50cyclictest0-21swapper/012:25:010
190411999573,8cyclictest1907023-21latency_hist07:25:010
1904122995648,5cyclictest1927434-21munin-plugin-st09:25:001
1904122995440,10cyclictest1283-21cron09:45:001
1904123995344,5cyclictest1921420-21unixbench_multi08:45:302
1904122995334,14cyclictest0-21swapper/109:05:011
1904123995135,11cyclictest0-21swapper/211:30:002
1904123995131,14cyclictest311ktimers/210:35:122
190411999515,43cyclictest0-21swapper/009:35:230
1904119995143,5cyclictest1911162-21grep07:45:290
1904119995140,8cyclictest1916451-21sendmail08:20:020
1904123995036,10cyclictest311ktimers/207:20:112
1904123995028,16cyclictest311ktimers/211:15:102
1904119995043,4cyclictest167350irq/118-8000000.ethernet-tx007:30:290
190411999503,7cyclictest0-21swapper/010:10:000
190411999501,46cyclictest0-21swapper/009:15:110
1904123994937,8cyclictest1933422-21sendmail10:00:002
1904119994942,4cyclictest167350irq/118-8000000.ethernet-tx009:05:160
1904119994942,4cyclictest167350irq/118-8000000.ethernet-tx009:05:160
1904119994942,4cyclictest167350irq/118-8000000.ethernet-tx007:15:150
1904119994941,3cyclictest1928308-21unixbench_singl09:25:310
1904123994837,7cyclictest1917304-21munin-plugin-st08:25:002
190411999481,5cyclictest1949674-21latency_hist11:35:010
190411999481,5cyclictest1949674-21latency_hist11:35:010
1904122994716,24cyclictest0-21swapper/110:20:231
1904119994741,3cyclictest0-21swapper/011:15:110
190411999471,40cyclictest15-21rcuc/008:10:050
1904123994638,5cyclictest0-21swapper/210:05:012
1904123994627,14cyclictest311ktimers/210:25:122
1904119994639,4cyclictest1954633-21munin-plugin-st12:05:010
1904119994639,4cyclictest167350irq/118-8000000.ethernet-tx010:00:240
1904119994637,5cyclictest1955471-21munin-plugin-st12:10:000
1904119994612,30cyclictest0-21swapper/007:25:200
1904123994524,15cyclictest311ktimers/210:05:142
190411999455,37cyclictest0-21swapper/012:00:010
1904119994538,4cyclictest167350irq/118-8000000.ethernet-tx010:15:200
190411999452,40cyclictest0-21swapper/008:00:010
190411999452,40cyclictest0-21swapper/008:00:010
1904123994431,9cyclictest0-21swapper/207:30:302
1904123994431,7cyclictest0-21swapper/209:45:282
1904123994429,9cyclictest0-21swapper/209:10:302
1904122994435,6cyclictest1914762-21munin-run08:10:001
1904122994435,6cyclictest1913688-21mailstats08:00:281
1904122994434,7cyclictest1950411-21sendmail11:39:591
1904122994432,6cyclictest0-21swapper/107:35:291
1904122994427,8cyclictest0-21swapper/110:00:291
190411999444,7cyclictest131ktimers/011:20:160
1904119994437,5cyclictest1918900-21grep08:30:300
1904119994426,16cyclictest0-21swapper/009:20:170
190411999441,4cyclictest0-21swapper/010:35:260
190411999441,40cyclictest1951655-21/usr/sbin/munin11:45:200
1904123994332,8cyclictest1957159-21sendmail12:20:002
1904123994324,13cyclictest311ktimers/211:10:142
1904122994336,4cyclictest1932569-21cron09:55:001
1904122994329,8cyclictest1956201-21grep12:10:271
1904122994329,8cyclictest1956201-21grep12:10:271
1904122994324,13cyclictest0-21swapper/108:00:011
1904122994324,13cyclictest0-21swapper/108:00:011
190412299431,2cyclictest0-21swapper/108:20:011
1904119994331,8cyclictest0-21swapper/012:15:270
190411999432,38cyclictest1925731-21munin-run09:15:000
1904123994231,9cyclictest311ktimers/211:55:122
1904123994231,8cyclictest0-21swapper/208:00:002
1904123994231,8cyclictest0-21swapper/208:00:002
1904123994229,8cyclictest0-21swapper/211:50:282
1904123994226,13cyclictest311ktimers/210:55:122
1904123994223,12cyclictest311ktimers/212:05:132
1904122994228,9cyclictest0-21swapper/110:55:311
1904122994222,9cyclictest0-21swapper/111:25:281
1904122994211,24cyclictest0-21swapper/110:40:241
1904119994229,10cyclictest131ktimers/009:45:100
1904119994227,11cyclictest0-21swapper/011:25:270
1904119994224,13cyclictest131ktimers/007:50:150
1904119994223,17cyclictest0-21swapper/008:40:210
190411999421,4cyclictest0-21swapper/011:35:130
190411999421,39cyclictest0-21swapper/008:05:140
1904123994131,6cyclictest1945191-21grep11:05:282
1904123994128,8cyclictest0-21swapper/208:00:282
1904123994127,8cyclictest0-21swapper/210:20:292
1904123994124,9cyclictest0-21swapper/211:45:272
1904122994133,5cyclictest1955472-21munin-plugin-st12:10:001
1904122994128,10cyclictest0-21swapper/111:20:001
1904119994135,4cyclictest131ktimers/009:00:000
1904119994132,5cyclictest0-21swapper/012:25:300
190411999412,4cyclictest1952494-21fw_packets11:50:220
190411999412,4cyclictest1930322-21df_inode09:40:180
190411999411,37cyclictest1942234-21tune2fs10:50:200
190411999411,36cyclictest1919445-21kernelversion08:35:260
190411999411,36cyclictest1904268-21latency_hist07:10:010
1904123994031,4cyclictest0-21swapper/209:35:292
1904123994028,8cyclictest0-21swapper/208:30:302
1904123994027,9cyclictest0-21swapper/212:25:302
1904123994023,12cyclictest311ktimers/209:05:122
1904123994023,12cyclictest311ktimers/209:05:122
1904123994012,26cyclictest30-21rcuc/209:50:192
1904122994028,8cyclictest0-21swapper/107:30:291
1904122994026,9cyclictest0-21swapper/111:20:291
1904119994032,5cyclictest0-21swapper/010:25:310
190411999402,9cyclictest1937162-21tune2fs10:20:200
190411999402,4cyclictest1921771-21df08:50:150
190411999401,3cyclictest1946058-21users11:10:300
190411999401,37cyclictest0-21swapper/009:30:170
190411999401,37cyclictest0-21swapper/009:30:170
1904123993930,5cyclictest0-21swapper/209:00:292
1904123993927,8cyclictest0-21swapper/212:30:272
1904123993926,8cyclictest0-21swapper/210:45:282
1904123993926,8cyclictest0-21swapper/208:25:292
1904123993925,6cyclictest0-21swapper/212:00:282
1904123993924,8cyclictest1940973-21grep10:40:292
1904123993923,13cyclictest311ktimers/209:20:112
1904123993920,10cyclictest0-21swapper/207:50:272
1904123993915,17cyclictest1905409-21/usr/sbin/munin07:15:192
1904119993929,7cyclictest0-21swapper/008:45:210
1904119993927,9cyclictest0-21swapper/007:15:020
1904119993922,15cyclictest0-21swapper/007:35:140
1904123993827,8cyclictest0-21swapper/208:05:312
1904122993823,10cyclictest0-21swapper/110:25:211
190412299381,31cyclictest0-21swapper/108:25:231
190412299381,30cyclictest0-21swapper/111:45:261
1904119993831,4cyclictest167350irq/118-8000000.ethernet-tx012:10:250
1904119993831,4cyclictest167350irq/118-8000000.ethernet-tx012:10:250
1904119993831,4cyclictest167350irq/118-8000000.ethernet-tx009:00:140
1904119993829,5cyclictest0-21swapper/012:30:190
190411999381,35cyclictest0-21swapper/011:03:290
190411999381,35cyclictest0-21swapper/010:55:260
190411999381,35cyclictest0-21swapper/010:10:080
190411999381,35cyclictest0-21swapper/010:10:080
190411999381,35cyclictest0-21swapper/009:50:250
1904123993727,5cyclictest0-21swapper/210:35:012
1904123993726,6cyclictest0-21swapper/209:15:302
1904123993718,13cyclictest311ktimers/209:40:132
1904122993727,5cyclictest0-21swapper/110:30:171
1904122993721,9cyclictest0-21swapper/111:05:291
190412299371,29cyclictest0-21swapper/109:30:231
190412299371,29cyclictest0-21swapper/109:30:221
1904119993732,2cyclictest0-21swapper/009:55:150
1904119993730,4cyclictest167350irq/118-8000000.ethernet-tx010:40:250
1904119993725,8cyclictest0-21swapper/012:35:290
190411999371,6cyclictest1941377-21lsblk10:45:200
1904123993623,8cyclictest0-21swapper/211:35:262
190412399361,3cyclictest0-21swapper/212:25:012
1904122993628,5cyclictest1917251-21unixbench_singl08:20:311
1904122993625,6cyclictest0-21swapper/108:10:291
1904122993620,9cyclictest0-21swapper/111:50:261
190412299361,6cyclictest0-21swapper/110:15:021
190412299361,6cyclictest0-21swapper/110:15:011
1904119993630,4cyclictest20850irq/208-8000000.ethernet08:25:260
1904119993630,4cyclictest0-21swapper/007:44:540
1904119993630,4cyclictest0-21swapper/007:44:530
1904119993628,5cyclictest1913707-21/usr/sbin/munin08:00:270
190411999361,33cyclictest0-21swapper/011:05:120
1904123993525,4cyclictest0-21swapper/212:35:252
1904122993523,8cyclictest0-21swapper/108:40:201
1904122993523,7cyclictest1957907-21grep12:20:301
1904122993520,8cyclictest0-21swapper/109:25:311
1904122993513,17cyclictest22-21rcuc/109:00:001
1904123993425,6cyclictest0-21swapper/207:45:202
1904123993425,5cyclictest0-21swapper/207:40:292
1904123993425,5cyclictest0-21swapper/207:40:292
1904123993424,6cyclictest1929159-21grep09:30:282
1904123993424,6cyclictest1929159-21grep09:30:282
1904123993422,9cyclictest0-21swapper/210:15:292
1904122993427,3cyclictest0-21swapper/109:15:201
1904122993426,5cyclictest167450irq/126-8000000.ethernet-tx109:10:151
1904122993424,7cyclictest0-21swapper/111:30:291
1904122993424,7cyclictest0-21swapper/111:30:291
1904122993422,6cyclictest0-21swapper/110:45:281
190412299341,31cyclictest0-21swapper/107:45:271
190412299341,27cyclictest0-21swapper/109:45:271
1904119993426,6cyclictest131ktimers/008:20:180
190412399335,13cyclictest1942069-21/usr/sbin/munin10:50:192
1904123993327,3cyclictest0-21swapper/209:00:002
1904123993325,5cyclictest1919824-21munin-plugin-st08:40:002
1904123993323,6cyclictest0-21swapper/208:20:012
190412399331,3cyclictest0-21swapper/211:05:012
1904122993322,6cyclictest0-21swapper/108:35:281
190412299331,5cyclictest0-21swapper/110:20:011
190412299331,29cyclictest1958537-21phc2sys12:25:281
1904123993223,4cyclictest0-21swapper/208:50:162
1904123993222,7cyclictest0-21swapper/208:40:282
1904123993221,7cyclictest0-21swapper/211:20:302
1904122993226,4cyclictest231ktimers/112:05:011
1904122993224,5cyclictest0-21swapper/108:50:311
1904122993223,6cyclictest1910358-21sshd07:42:551
1904122993223,6cyclictest1910358-21sshd07:42:551
1904122993219,7cyclictest1939531-21/usr/sbin/munin10:35:171
1904123993122,5cyclictest0-21swapper/209:25:312
190412299317,10cyclictest22-21rcuc/112:30:011
1904122993120,5cyclictest0-21swapper/111:55:271
1904122993115,11cyclictest0-21swapper/112:20:001
190412299311,2cyclictest0-21swapper/110:00:011
1904123993020,7cyclictest0-21swapper/208:10:262
1904123993018,8cyclictest0-21swapper/211:40:272
1904123993018,8cyclictest0-21swapper/211:30:302
1904123993018,8cyclictest0-21swapper/211:30:302
1904123993013,12cyclictest311ktimers/207:25:142
1904122993022,4cyclictest0-21swapper/108:45:201
1904122993021,4cyclictest0-21swapper/107:10:211
1904122992922,5cyclictest231ktimers/109:35:281
1904122992922,4cyclictest0-21swapper/107:20:271
1904122992921,4cyclictest0-21swapper/112:35:201
1904122992919,6cyclictest1951173-21grep11:40:281
1904122992913,13cyclictest231ktimers/107:25:131
1904122992913,12cyclictest231ktimers/109:05:151
1904122992913,12cyclictest231ktimers/109:05:151
1904123992822,4cyclictest1909342-21mailstats07:35:282
1904122992821,4cyclictest0-21swapper/107:20:001
1904123992724,2cyclictest0-21swapper/212:10:252
1904123992724,2cyclictest0-21swapper/212:10:252
1904122992720,4cyclictest1944293-21tail11:00:301
1904122992715,8cyclictest0-21swapper/110:10:001
190412399263,14cyclictest0-21swapper/207:10:012
190412299264,16cyclictest1911413-21/usr/sbin/munin07:50:191
190412299261,2cyclictest0-21swapper/108:35:011
190412299251,19cyclictest0-21swapper/110:50:081
190412299241,3cyclictest0-21swapper/107:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional