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2026-04-15 - 19:20
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1.osadl.org (updated Wed Apr 15, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1600217200,6sleep30-21swapper/307:12:223
169825820,4sleep10-21swapper/107:12:241
1634721260,1sleep2261rcuc/212:32:182
1634721260,1sleep2261rcuc/212:32:182
2081821100,2sleep10-21swapper/108:02:211
2081821100,2sleep10-21swapper/108:02:211
2081821100,2sleep10-21swapper/108:02:211
2572221060,2sleep30-21swapper/309:22:133
2572221060,2sleep30-21swapper/309:22:133
2572221060,2sleep30-21swapper/309:22:133
1316821060,2sleep113164-21find07:42:191
1316821060,2sleep113164-21find07:42:191
1316821060,2sleep113164-21find07:42:191
2841721030,2sleep228418-21grep08:22:202
2841721030,2sleep228418-21grep08:22:202
112572990,2sleep30-21swapper/307:37:193
112572990,2sleep30-21swapper/307:37:193
19032980,2sleep00-21swapper/012:17:200
19032980,2sleep00-21swapper/012:17:200
120442970,3sleep20-21swapper/209:06:562
120442970,3sleep20-21swapper/209:06:562
75212960,2sleep30-21swapper/308:52:193
75212960,2sleep30-21swapper/308:52:193
58122890,4sleep333-21ksoftirqd/311:48:043
58122890,4sleep333-21ksoftirqd/311:48:043
30222820,1sleep012-21ksoftirqd/011:12:200
30222820,1sleep012-21ksoftirqd/011:12:200
141432820,3sleep30-21swapper/309:43:283
141432820,3sleep30-21swapper/309:43:283
180212690,4sleep10-21swapper/109:47:241
180212690,4sleep10-21swapper/109:47:241
281182670,3sleep00-21swapper/009:57:480
281182670,3sleep00-21swapper/009:57:480
281182670,3sleep00-21swapper/009:57:480
137112650,2sleep10-21swapper/109:42:461
137112650,2sleep10-21swapper/109:42:461
239762640,4sleep10-21swapper/111:00:401
239762640,4sleep10-21swapper/111:00:401
54552620,11sleep333-21ksoftirqd/311:15:053
54552620,11sleep333-21ksoftirqd/311:15:053
90552570,4sleep30-21swapper/309:38:263
90552570,4sleep30-21swapper/309:38:263
227212570,2sleep30-21swapper/308:07:213
227212570,2sleep30-21swapper/308:07:213
85892560,3sleep30-21swapper/310:12:113
85892560,3sleep30-21swapper/310:12:113
202492550,3sleep30-21swapper/312:36:573
202492550,3sleep30-21swapper/312:36:573
145812550,3chrt0-21swapper/211:23:362
145812550,3chrt0-21swapper/211:23:362
145812550,3chrt0-21swapper/211:23:362
295332540,3sleep00-21swapper/012:12:300
191262540,2sleep20-21swapper/207:57:232
191262540,2sleep20-21swapper/207:57:232
231392530,3sleep20-21swapper/209:19:592
231392530,3sleep20-21swapper/209:19:592
66132520,4sleep10-21swapper/112:22:111
66132520,4sleep10-21swapper/112:22:111
170322520,3sleep10-21swapper/107:52:201
170322520,3sleep10-21swapper/107:52:201
216502490,1sleep221661-21latency_hist08:07:052
216502490,1sleep221661-21latency_hist08:07:052
216502490,1sleep221661-21latency_hist08:07:052
25752460,3sleep30-21swapper/312:17:513
25752460,3sleep30-21swapper/312:17:513
174672460,3sleep30-21swapper/310:21:033
174672460,3sleep30-21swapper/310:21:033
174672460,3sleep30-21swapper/310:21:033
80152450,3sleep28021-21grep09:37:202
80152450,3sleep28021-21grep09:37:202
179862440,2sleep2261rcuc/209:47:212
179862440,2sleep2261rcuc/209:47:212
209702430,5sleep227-21ksoftirqd/210:24:072
209702430,5sleep227-21ksoftirqd/210:24:072
209702430,5sleep227-21ksoftirqd/210:24:072
265492420,2sleep00-21swapper/009:22:400
265492420,2sleep00-21swapper/009:22:400
265492420,2sleep00-21swapper/009:22:400
176072420,3sleep1201rcuc/109:14:481
176072420,3sleep1201rcuc/109:14:481
1928994123,8cyclictest30589-21find09:27:191
1928994123,8cyclictest30589-21find09:27:191
188392410,4sleep0151rcuc/010:22:080
188392410,4sleep0151rcuc/010:22:080
188392410,4sleep0151rcuc/010:22:080
16032410,1chrt12-21ksoftirqd/007:12:230
259842400,4sleep00-21swapper/011:36:280
259842400,4sleep00-21swapper/011:36:280
1928994015,17cyclictest73-21kswapd008:12:081
1928994015,17cyclictest73-21kswapd008:12:081
76222390,3sleep17621-21tail07:27:201
1928993923,8cyclictest11358-21find10:47:211
1928993923,8cyclictest11358-21find10:47:211
1928993921,6cyclictest73-21kswapd009:02:191
1928993921,6cyclictest73-21kswapd009:02:191
261972380,4sleep30-21swapper/309:57:023
253282380,3sleep30-21swapper/311:35:343
253282380,3sleep30-21swapper/311:35:343
79572370,2sleep20-21swapper/211:17:132
79572370,2sleep20-21swapper/211:17:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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