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2026-05-06 - 22:02

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #3

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 all highest latencies:
System rack9slot3s.osadl.org (updated Wed May 06, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123026255,5sleep10-21swapper/107:05:501
154626056,2sleep20-21swapper/207:09:502
119591600,31ptp4l0-21swapper/007:07:160
152025753,2sleep30-21swapper/307:09:313
318052440,0sleep00-21swapper/010:05:150
119591340,1ptp4l15635-21if_enp0s31f609:35:151
119591310,0ptp4l0-21swapper/007:50:200
119591260,0ptp4l0-21swapper/012:35:220
119591200,0ptp4l0-21swapper/110:55:141
119591170,0ptp4l0-21swapper/111:05:171
119591170,0ptp4l0-21swapper/008:55:010
119591170,0ptp4l0-21swapper/007:20:190
119591160,1ptp4l8754-21apt-get12:25:121
119591160,1ptp4l4678-21apt-get08:15:130
119591160,1ptp4l26471-21apt-get07:55:121
119591160,1ptp4l25-21ksoftirqd/109:10:121
119591160,1ptp4l21180-21apt-get07:45:120
119591160,1ptp4l18161-21apt-get08:40:120
119591160,1ptp4l13876-21ls11:30:230
119591160,1ptp4l1314-21apt-get10:10:120
119591160,1ptp4l12989-21ntp_states12:30:181
119591160,0ptp4l0-21swapper/111:40:121
119591160,0ptp4l0-21swapper/109:15:201
182199155,5cyclictest1826-21taskset07:10:042
182199150,2cyclictest0-21swapper/208:20:132
119591150,1ptp4l9683-21ls07:20:231
119591150,1ptp4l5863-21ls10:15:230
119591150,1ptp4l4920-21diskstats07:15:021
119591150,1ptp4l3854-21ls08:10:211
119591150,1ptp4l3440-21apt-get12:15:121
119591150,1ptp4l32328-21fschecks_time08:05:141
119591150,1ptp4l3001-21snmp_o5powerctl10:10:211
119591150,1ptp4l29232-21df_inode09:00:141
119591150,1ptp4l27275-21snmp_o5powerctl10:55:200
119591150,1ptp4l21283-21awk11:45:181
119591150,1ptp4l17162-21snmp_o5powerctl08:35:211
119591150,1ptp4l15119-21cat11:35:161
119591150,1ptp4l14790-21apt-get10:35:120
119591150,1ptp4l14131-21ls08:30:181
119591150,1ptp4l13223-21apt-get07:30:121
119591150,1ptp4l10960-21snmp_o5powerctl10:25:190
119591150,0ptp4l0-21swapper/112:00:251
119591150,0ptp4l0-21swapper/110:45:121
119591150,0ptp4l0-21swapper/110:20:121
119591150,0ptp4l0-21swapper/109:55:121
119591150,0ptp4l0-21swapper/109:25:471
119591150,0ptp4l0-21swapper/109:20:111
119591150,0ptp4l0-21swapper/012:00:120
119591150,0ptp4l0-21swapper/011:05:220
119591150,0ptp4l0-21swapper/011:00:110
119591150,0ptp4l0-21swapper/009:55:230
119591150,0ptp4l0-21swapper/009:35:130
119591150,0ptp4l0-21swapper/009:15:120
119591150,0ptp4l0-21swapper/008:20:120
182199146,7cyclictest14555-21ls12:35:132
119591140,2ptp4l10763-21if_enp3s008:25:150
119591140,1ptp4l911-1kworker/u9:211:10:202
119591140,1ptp4l7961-21timerwakeupswit12:20:220
119591140,1ptp4l7602-21grep09:20:150
119591140,1ptp4l5237-21kworker/1:212:10:141
119591140,1ptp4l4072-21/usr/sbin/munin11:15:120
119591140,1ptp4l31205-21grep12:05:140
119591140,1ptp4l29476-21cstates08:00:130
119591140,1ptp4l26336-21cut07:55:011
119591140,1ptp4l24979-21ps08:50:200
119591140,1ptp4l2461-21snmp_o5powerctl12:10:200
119591140,1ptp4l24543-21phc2sys09:50:190
119591140,1ptp4l22547-21/usr/sbin/munin07:45:181
119591140,1ptp4l21913-21unixbench_singl11:45:230
119591140,1ptp4l19956-21phc2sys07:40:200
119591140,1ptp4l18260-21hddtemp_smartct09:40:141
119591140,1ptp4l18152-21smartctl10:40:161
119591140,1ptp4l18107-21fschecks_count09:40:142
119591140,1ptp4l17168-21snmp_o5powerctl08:35:220
119591140,1ptp4l12264-21apt-get09:30:131
119591140,1ptp4l11129-21fschecks_time07:25:141
119591140,0ptp4l0-21swapper/211:39:522
119591140,0ptp4l0-21swapper/209:35:222
119591140,0ptp4l0-21swapper/208:30:232
119591140,0ptp4l0-21swapper/112:35:141
119591140,0ptp4l0-21swapper/112:20:221
119591140,0ptp4l0-21swapper/112:05:011
119591140,0ptp4l0-21swapper/111:55:221
119591140,0ptp4l0-21swapper/111:30:171
119591140,0ptp4l0-21swapper/111:25:181
119591140,0ptp4l0-21swapper/111:20:171
119591140,0ptp4l0-21swapper/111:15:121
119591140,0ptp4l0-21swapper/111:00:221
119591140,0ptp4l0-21swapper/110:50:111
119591140,0ptp4l0-21swapper/110:35:211
119591140,0ptp4l0-21swapper/110:30:211
119591140,0ptp4l0-21swapper/110:00:221
119591140,0ptp4l0-21swapper/109:45:131
119591140,0ptp4l0-21swapper/109:05:381
119591140,0ptp4l0-21swapper/108:55:221
119591140,0ptp4l0-21swapper/108:20:211
119591140,0ptp4l0-21swapper/012:30:170
119591140,0ptp4l0-21swapper/012:25:180
119591140,0ptp4l0-21swapper/011:10:220
119591140,0ptp4l0-21swapper/010:45:210
119591140,0ptp4l0-21swapper/010:20:220
119591140,0ptp4l0-21swapper/010:00:200
119591140,0ptp4l0-21swapper/009:45:170
119591140,0ptp4l0-21swapper/009:40:120
119591140,0ptp4l0-21swapper/009:10:110
119591140,0ptp4l0-21swapper/009:00:200
119591140,0ptp4l0-21swapper/008:30:020
119591140,0ptp4l0-21swapper/007:55:220
119591140,0ptp4l0-21swapper/007:35:200
119591140,0ptp4l0-21swapper/007:10:230
182199136,4cyclictest311402sleep209:04:512
119591130,0ptp4l0-21swapper/308:55:243
119591130,0ptp4l0-21swapper/211:55:232
119591130,0ptp4l0-21swapper/211:15:152
119591130,0ptp4l0-21swapper/210:55:172
119591130,0ptp4l0-21swapper/210:40:132
119591130,0ptp4l0-21swapper/210:35:222
119591130,0ptp4l0-21swapper/210:10:192
119591130,0ptp4l0-21swapper/209:55:232
119591130,0ptp4l0-21swapper/208:55:192
119591130,0ptp4l0-21swapper/208:50:152
119591130,0ptp4l0-21swapper/208:15:222
119591130,0ptp4l0-21swapper/208:05:202
119591130,0ptp4l0-21swapper/207:15:272
119591130,0ptp4l0-21swapper/111:50:151
119591130,0ptp4l0-21swapper/111:10:011
119591130,0ptp4l0-21swapper/110:25:101
119591130,0ptp4l0-21swapper/110:15:171
119591130,0ptp4l0-21swapper/110:05:121
119591130,0ptp4l0-21swapper/109:50:111
119591130,0ptp4l0-21swapper/108:50:121
119591130,0ptp4l0-21swapper/108:45:141
119591130,0ptp4l0-21swapper/108:40:151
119591130,0ptp4l0-21swapper/108:25:141
119591130,0ptp4l0-21swapper/108:15:161
119591130,0ptp4l0-21swapper/108:00:141
119591130,0ptp4l0-21swapper/107:40:121
119591130,0ptp4l0-21swapper/107:35:141
119591130,0ptp4l0-21swapper/107:10:141
119591130,0ptp4l0-21swapper/012:15:150
119591130,0ptp4l0-21swapper/011:55:130
119591130,0ptp4l0-21swapper/011:50:110
119591130,0ptp4l0-21swapper/011:40:150
119591130,0ptp4l0-21swapper/011:35:140
119591130,0ptp4l0-21swapper/011:25:130
119591130,0ptp4l0-21swapper/011:20:110
119591130,0ptp4l0-21swapper/010:50:120
119591130,0ptp4l0-21swapper/010:40:160
119591130,0ptp4l0-21swapper/010:30:130
119591130,0ptp4l0-21swapper/009:30:140
119591130,0ptp4l0-21swapper/009:25:130
119591130,0ptp4l0-21swapper/009:05:130
119591130,0ptp4l0-21swapper/008:45:120
119591130,0ptp4l0-21swapper/008:10:160
119591130,0ptp4l0-21swapper/008:05:120
119591130,0ptp4l0-21swapper/007:30:140
119591130,0ptp4l0-21swapper/007:25:130
119591130,0ptp4l0-21swapper/007:15:020
182299122,2cyclictest0-21swapper/312:10:123
182199126,5cyclictest3319-21sensors09:10:212
119591120,0ptp4l0-21swapper/212:30:182
119591120,0ptp4l0-21swapper/211:50:152
119591120,0ptp4l0-21swapper/211:30:152
119591120,0ptp4l0-21swapper/209:30:182
119591120,0ptp4l0-21swapper/209:15:152
119591120,0ptp4l0-21swapper/207:50:452
182299116,5cyclictest30847-21packagekitd09:10:023
182199116,4cyclictest4753-21uname12:15:182
182199115,5cyclictest32550-21cut11:05:202
182199115,5cyclictest22420-21basename08:45:192
182199113,1cyclictest584-21systemd-logind09:45:202
119591110,0ptp4l0-21swapper/212:28:582
119591110,0ptp4l0-21swapper/210:47:422
119591110,0ptp4l0-21swapper/209:20:232
182199106,3cyclictest6218-21taskset12:20:142
182199105,1cyclictest10157-21chrt07:22:552
182199104,1cyclictest21104-21cat07:45:012
182199104,1cyclictest17397-21aten_r9power_vo11:40:132
119591100,2ptp4l0-21swapper/212:10:122
119591100,0ptp4l0-21swapper/208:25:242
119591100,0ptp4l0-21swapper/208:03:172
18229997,1cyclictest89132sleep311:22:483
18229997,1cyclictest8403-21df_inode07:20:143
18229997,1cyclictest42142sleep307:14:323
18229997,1cyclictest32721-21cut09:05:183
18229997,1cyclictest32570-21if_enp3s008:05:153
18229997,1cyclictest309452sleep309:02:243
18229997,1cyclictest30249-21expr10:00:223
18229997,1cyclictest26221-21expr09:55:143
18229997,1cyclictest21465-21missed_timers09:45:173
18229997,1cyclictest17507-21cut10:40:133
18229997,1cyclictest11787-21chrt09:27:103
18229997,1cyclictest11509-21chrt11:27:093
18229996,2cyclictest4925-21tr08:15:143
18229990,8cyclictest31407-21chrt08:03:273
18219997,1cyclictest25028-21chrt10:50:482
18219995,1cyclictest13390-21pluginstate10:30:192
18219994,1cyclictest9716-21cat10:25:112
18219994,1cyclictest30767-21seq10:04:182
18219993,1cyclictest21895-21grep11:45:242
11959190,0ptp4l41-21ksoftirqd/311:37:323
11959190,0ptp4l0-21swapper/311:46:423
11959190,0ptp4l0-21swapper/212:08:342
11959190,0ptp4l0-21swapper/212:01:522
11959190,0ptp4l0-21swapper/211:25:012
11959190,0ptp4l0-21swapper/211:23:382
11959190,0ptp4l0-21swapper/211:02:232
11959190,0ptp4l0-21swapper/210:20:342
11959190,0ptp4l0-21swapper/210:06:282
11959190,0ptp4l0-21swapper/209:52:062
11959190,0ptp4l0-21swapper/209:28:292
11959190,0ptp4l0-21swapper/209:07:132
11959190,0ptp4l0-21swapper/208:40:562
11959190,0ptp4l0-21swapper/208:35:592
11959190,0ptp4l0-21swapper/208:10:562
11959190,0ptp4l0-21swapper/207:59:222
11959190,0ptp4l0-21swapper/207:37:122
11959190,0ptp4l0-21swapper/207:32:472
11959190,0ptp4l0-21swapper/207:25:462
18229986,1cyclictest9768-21cat10:25:123
18229986,1cyclictest9746-21cut12:25:163
18229986,1cyclictest7909-21grep08:20:153
18229986,1cyclictest709-21chrt11:07:513
18229986,1cyclictest7013-21cat10:20:143
18229986,1cyclictest6960-21cat12:20:163
18229986,1cyclictest69402sleep309:20:103
18229986,1cyclictest5354-21ntp_states10:15:193
18229986,1cyclictest5038-21sort07:15:023
18229986,1cyclictest4507-21tr09:15:133
18229986,1cyclictest4078-21cut11:15:123
18229986,1cyclictest3676-21tr12:15:143
18229986,1cyclictest32751-21taskset10:05:213
18229986,1cyclictest3058-21swap11:10:233
18229986,1cyclictest305122sleep312:05:073
18229986,1cyclictest282432sleep311:00:103
18229986,1cyclictest28082-21wc12:00:133
18229986,1cyclictest2716-21smartctl08:10:133
18229986,1cyclictest26610-21tr10:55:163
18229986,1cyclictest26098-21chrt07:53:303
18229986,1cyclictest25679-21expr11:55:133
18229986,1cyclictest248302sleep311:53:063
18229986,1cyclictest23547-21basename08:50:133
18229986,1cyclictest23241-21tail09:50:133
18229986,1cyclictest23076-21cut10:50:123
18229986,1cyclictest21909-21sed10:45:233
18229986,1cyclictest21215-21expr08:45:133
18229986,1cyclictest20125-21sendmail_mailqu07:40:203
18229986,1cyclictest19655-21head08:40:193
18229986,1cyclictest19501-21taskset11:42:383
18229986,1cyclictest1893-21cut10:10:143
18229986,1cyclictest17919-21cat09:40:123
18229986,1cyclictest16122-21cut07:35:123
18229986,1cyclictest16016-21uniq08:35:153
18229986,1cyclictest15443-21cat12:35:173
18229986,1cyclictest15225-21expr10:35:133
18229986,1cyclictest14959-21cut09:35:133
18229986,1cyclictest13689-21taskset12:31:003
18229986,1cyclictest13671-21cat07:30:143
18229986,1cyclictest12746-21dpkg08:30:023
18229986,1cyclictest12479-21tr09:30:133
18229986,1cyclictest11943-21hostname10:30:123
18229986,1cyclictest11111-21cut08:25:163
18229986,1cyclictest10925-21expr07:25:143
18219986,1cyclictest5277-21tail10:15:182
18219986,1cyclictest22017-21cat07:45:162
18229975,1cyclictest26918-21expr07:55:133
18229975,1cyclictest22070-21sed07:45:163
18229975,1cyclictest12124-21wc11:30:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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