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2026-09-22 - 23:10
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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 rackeslot4.osadl.org (updated Tue Sep 22, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2158952993125,3cyclictest0-21swapper/309:00:183
215895299282,22cyclictest2439240-21apt-get11:45:133
215895299280,25cyclictest2485824-21tr12:30:153
215894299262,22cyclictest2189622-21apt-get07:40:100
215894299262,22cyclictest2174350-21apt-get07:25:120
215894299260,24cyclictest2490135-21sh12:35:000
2158952992520,3cyclictest2383396-21apt-get10:50:153
215895299251,21cyclictest2403708-21apt-get11:10:113
215895299251,20cyclictest2373226-21apt-get10:40:093
215895299251,20cyclictest0-21swapper/308:45:133
215895299250,5cyclictest2236252-21irqcore08:25:163
2158950992522,2cyclictest0-21swapper/212:05:172
215895099252,20cyclictest2363052-21apt-get10:30:172
215895099251,21cyclictest2250991-21apt-get08:40:122
215894699252,2cyclictest2184555-21apt-get07:35:121
2158946992522,2cyclictest0-21swapper/112:20:001
215894299251,22cyclictest2179442-21apt-get07:30:120
2158952992419,3cyclictest2398363-21cron11:05:003
215895299241,3cyclictest2424053-21apt-get11:30:113
215895299241,2cyclictest2311917-21apt-get09:40:113
215895299241,20cyclictest0-21swapper/310:55:113
215895299241,20cyclictest0-21swapper/309:55:143
215895299241,20cyclictest0-21swapper/307:45:133
215895299240,21cyclictest2316993-21taskset09:45:143
215895299240,20cyclictest0-21swapper/307:25:123
2158950992420,2cyclictest2327135-21apt-get09:55:142
215895099241,20cyclictest2357995-21apt-get10:25:132
215895099241,20cyclictest2322083-21apt-get09:50:152
215895099240,20cyclictest2219912-21apt-key08:10:002
2158946992420,3cyclictest2412707-21ntpq11:15:201
215894699241,21cyclictest2434193-21apt-get11:40:121
215894699241,21cyclictest2204855-21apt-get07:55:131
215894699241,20cyclictest0-21swapper/107:15:141
215894699240,23cyclictest2480708-21grep12:25:161
215894299242,20cyclictest2388481-21apt-get10:55:100
215894299241,3cyclictest2454448-21apt-get12:00:120
215894299241,22cyclictest2342805-21grep10:10:190
215894299241,21cyclictest2332179-21apt-get10:00:120
215894299241,20cyclictest0-21swapper/011:45:130
215894299240,3cyclictest2394059-21sed11:00:160
215894299240,21cyclictest0-21swapper/012:25:110
2158952992320,2cyclictest24229052sleep311:25:213
2158952992320,2cyclictest24229052sleep311:25:213
2158952992319,3cyclictest509-21systemd-logind12:25:003
215895299231,2cyclictest0-21swapper/312:05:123
215895299230,20cyclictest0-21swapper/309:35:123
215895299230,20cyclictest0-21swapper/308:40:123
215895299230,20cyclictest0-21swapper/307:55:133
2158950992320,2cyclictest2332179-21apt-get10:00:122
215895099231,2cyclictest2209898-21apt-get08:00:132
215895099231,2cyclictest0-21swapper/208:35:172
215895099231,21cyclictest2347809-21apt-get10:15:142
215895099231,19cyclictest0-21swapper/207:35:122
215895099230,20cyclictest0-21swapper/211:55:122
215895099230,20cyclictest0-21swapper/211:10:112
215895099230,20cyclictest0-21swapper/211:05:132
215895099230,19cyclictest0-21swapper/208:30:132
2158946992320,2cyclictest2398643-21apt-get11:05:131
2158946992320,2cyclictest2230667-21apt-get08:20:111
2158946992319,3cyclictest2394055-21ps11:00:161
215894699231,2cyclictest2241316-21grep08:30:181
2158942992319,3cyclictest2444311-21apt-get11:50:160
2158942992319,3cyclictest2383879-21ps10:50:200
2158942992319,2cyclictest2291577-21apt-get09:20:140
215894299231,2cyclictest2266199-21apt-get08:55:120
215894299231,21cyclictest0-21swapper/010:25:110
215894299230,21cyclictest2474466-21true12:20:000
215894299230,20cyclictest2169280-21apt-get07:20:130
2158952992219,2cyclictest0-21swapper/308:30:143
2158952992219,1cyclictest2250720-21cron08:40:003
2158952992218,2cyclictest2490405-21apt-get12:35:123
2158952992218,2cyclictest0-21swapper/309:05:113
2158952992218,2cyclictest0-21swapper/308:20:103
2158952992217,3cyclictest2418686-21cron11:25:003
215895299221,2cyclictest0-21swapper/312:15:113
215895299221,2cyclictest0-21swapper/311:55:123
215895299221,2cyclictest0-21swapper/309:21:003
215895299221,2cyclictest0-21swapper/307:15:133
215895299221,20cyclictest0-21swapper/311:05:213
215895299221,20cyclictest0-21swapper/310:15:133
215895299220,2cyclictest2378824-21cut10:45:173
2158950992219,2cyclictest2261154-21apt-get08:50:132
2158950992219,2cyclictest2261154-21apt-get08:50:122
215895099220,2cyclictest2495220-21cron12:40:002
215895099220,19cyclictest0-21swapper/210:10:152
2158946992219,2cyclictest2159162-21apt-get07:10:111
2158946992219,1cyclictest1971890-21fwupd09:50:391
2158946992219,1cyclictest0-21swapper/112:35:121
2158946992219,1cyclictest0-21swapper/109:55:141
2158946992218,2cyclictest2413873-21apt-get11:20:121
215894699221,1cyclictest2266199-21apt-get08:55:131
215894699220,3cyclictest2219840-21apt-config08:10:001
215894699220,20cyclictest2423783-21ls11:30:001
215894699220,20cyclictest2423783-21ls11:30:001
215894699220,19cyclictest0-21swapper/110:25:121
2158942992220,1cyclictest2316727-21latency_hist09:45:000
2158942992219,2cyclictest64-21kcompactd008:28:510
2158942992219,2cyclictest0-21swapper/010:05:130
2158942992219,2cyclictest0-21swapper/008:50:240
2158942992219,2cyclictest0-21swapper/008:50:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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