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2026-03-26 - 05:26
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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 Thu Mar 26, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2227979993734,2cyclictest2528073-21fwupd00:01:333
2227979993734,2cyclictest2528073-21fwupd00:01:333
2227974993330,2cyclictest2528073-21fwupd00:01:331
2227974993330,2cyclictest2528073-21fwupd00:01:321
222797699282,21cyclictest2401278-21apt-get22:00:132
222797499271,23cyclictest2421451-21taskset22:20:101
222797699262,21cyclictest2538823-21apt-get00:15:132
2227979992523,1cyclictest0-21swapper/320:40:153
2227979992521,3cyclictest2498087-21sh23:35:003
222797699250,23cyclictest2426993-21grep22:25:142
222797499252,3cyclictest2396202-21apt-get21:55:131
222797499252,3cyclictest2278761-21apt-get20:00:121
2227974992518,5cyclictest2273411-21awk19:55:001
222797499251,4cyclictest261-21systemd-journal00:00:001
222797499250,23cyclictest2370652-21cron21:30:001
222797999242,19cyclictest2355670-21apt-get21:15:123
222797999241,20cyclictest2345061-21apt-get21:05:113
222797999240,21cyclictest2283842-21taskset20:05:123
2227976992421,2cyclictest500-21dbus-daemon21:10:012
222797699241,22cyclictest2523277-21cron23:59:592
222797699240,4cyclictest2462187-21gpgv22:59:592
222797699240,20cyclictest0-21swapper/219:10:122
2227974992420,2cyclictest2457369-21apt-get22:55:101
2227974992420,2cyclictest0-21swapper/122:40:161
222797499241,3cyclictest2534235-21tr00:10:161
222797499241,3cyclictest2324749-21apt-get20:45:101
222797499241,3cyclictest2243353-21apt-get19:25:111
222797499241,22cyclictest2533466-21cron00:10:001
222797499241,21cyclictest2411363-21apt-get22:10:121
222797499241,21cyclictest1-21systemd21:35:211
222797499241,21cyclictest0-21swapper/123:45:121
2227970992420,2cyclictest2452314-21apt-get22:50:120
222797099241,3cyclictest2462849-21apt-get23:00:110
222797099241,21cyclictest2431558-21apt-get22:30:090
222797999231,2cyclictest2442169-21apt-get22:40:163
222797999231,20cyclictest2513444-21apt-get23:50:123
222797999231,20cyclictest2451157-21ntpq22:45:213
222797999231,20cyclictest2354487-21ntpq21:10:193
2227976992319,2cyclictest0-21swapper/221:30:122
222797699231,21cyclictest2456264-21ntpq22:50:212
222797699230,20cyclictest0-21swapper/223:45:122
222797699230,20cyclictest0-21swapper/223:25:112
222797699230,20cyclictest0-21swapper/223:15:122
222797699230,20cyclictest0-21swapper/221:50:102
222797699230,20cyclictest0-21swapper/221:20:122
222797699230,20cyclictest0-21swapper/221:20:112
222797699230,20cyclictest0-21swapper/200:00:112
222797699230,20cyclictest0-21swapper/200:00:112
222797499231,2cyclictest0-21swapper/120:40:101
222797499231,21cyclictest2345557-21ps21:05:161
222797499231,20cyclictest2309648-21ps20:30:161
222797499230,3cyclictest2410246-21seq22:05:201
222797499230,21cyclictest0-21swapper/120:55:121
222797499230,21cyclictest0-21swapper/119:45:101
2227970992320,2cyclictest0-21swapper/020:25:000
222797099231,2cyclictest2339983-21apt-get21:00:110
222797099231,2cyclictest2307982-21ntpq20:25:200
222797099231,21cyclictest2391167-21apt-get21:50:110
222797099231,20cyclictest2533745-21apt-get00:10:110
222797099231,20cyclictest2365851-21apt-get21:25:130
222797099231,1cyclictest2375959-21apt-get21:35:120
2227979992219,2cyclictest2370926-21apt-get21:30:123
2227979992219,1cyclictest0-21swapper/320:10:123
2227979992219,1cyclictest0-21swapper/319:15:123
2227979992218,2cyclictest2508412-21apt-get23:45:123
2227979992217,4cyclictest1-21systemd23:44:593
222797999220,2cyclictest2411085-21cron22:10:003
222797999220,20cyclictest2278512-21basename20:00:003
222797999220,19cyclictest0-21swapper/323:10:113
222797999220,19cyclictest0-21swapper/320:20:123
222797999220,19cyclictest0-21swapper/300:15:133
222797999220,18cyclictest0-21swapper/319:40:113
2227976992219,2cyclictest2318167-21ntpq20:35:212
2227976992219,2cyclictest2287741-21ntpq20:05:202
2227976992218,2cyclictest2446162-21ntpq22:40:262
222797699221,2cyclictest2248409-21apt-get19:30:122
222797699221,20cyclictest0-21swapper/221:42:252
222797699221,1cyclictest0-21swapper/200:35:112
222797699221,19cyclictest2467645-21munin-run23:05:002
222797699221,19cyclictest0-21swapper/220:45:142
222797699220,2cyclictest2450994-21seq22:45:202
2227974992219,2cyclictest0-21swapper/123:00:121
2227974992219,2cyclictest0-21swapper/122:25:111
2227974992219,2cyclictest0-21swapper/119:35:121
2227974992219,1cyclictest0-21swapper/120:40:011
2227974992218,3cyclictest2498841-21sort23:35:161
2227974992218,2cyclictest2437026-21apt-get22:35:041
2227974992218,2cyclictest0-21swapper/121:40:111
2227974992217,3cyclictest2329827-21apt-get20:50:121
2227974992217,3cyclictest2278497-21basename20:00:001
222797499221,2cyclictest0-21swapper/120:25:121
222797499221,20cyclictest64-21kcompactd021:53:101
222797499221,20cyclictest64-21kcompactd019:31:461
222797499221,20cyclictest2283839-21apt-get20:05:111
222797499221,20cyclictest0-21swapper/120:13:431
222797499221,1cyclictest0-21swapper/100:20:131
222797499220,3cyclictest261-21systemd-journal19:45:001
222797499220,2cyclictest0-21swapper/123:40:111
222797499220,2cyclictest0-21swapper/121:15:121
2227970992219,2cyclictest2478036-21apt-get23:15:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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