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2026-03-26 - 12:17
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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 376 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
2227970992219,2cyclictest2309164-21apt-get20:30:120
2227970992219,1cyclictest2273682-21apt-get19:55:120
2227970992218,2cyclictest0-21swapper/023:29:590
222797099221,20cyclictest2518492-21apt-get23:55:120
222797099221,20cyclictest2503382-21apt-get23:40:120
222797099221,1cyclictest2467904-21apt-get23:05:130
222797099221,1cyclictest2238302-21apt-get19:20:120
222797099220,2cyclictest3871586-21snmpd00:30:130
222797099220,20cyclictest0-21swapper/019:35:130
2227979992119,1cyclictest0-21swapper/321:04:473
2227979992119,1cyclictest0-21swapper/319:45:123
2227979992117,3cyclictest2432047-21grep22:30:143
2227979992117,2cyclictest2549488-21irqcore00:25:163
2227979992117,2cyclictest2488243-21apt-get23:25:113
222797999211,1cyclictest0-21swapper/323:00:133
222797999210,2cyclictest2385007-21modprobe21:40:213
222797999210,18cyclictest0-21swapper/323:55:103
222797999210,18cyclictest0-21swapper/323:35:123
2227976992119,1cyclictest0-21swapper/222:30:112
2227976992119,1cyclictest0-21swapper/219:15:122
2227976992118,2cyclictest2370673-21cut21:30:002
2227976992118,2cyclictest0-21swapper/220:18:332
2227976992118,2cyclictest0-21swapper/219:30:002
2227976992118,1cyclictest0-21swapper/223:40:112
2227976992117,3cyclictest2538564-21turbostat00:15:002
2227976992117,2cyclictest2518218-21cron23:55:002
222797699210,2cyclictest2554094-21apt-get00:30:132
222797699210,20cyclictest0-21swapper/222:05:112
222797699210,20cyclictest0-21swapper/219:40:212
222797699210,1cyclictest0-21swapper/222:35:132
2227974992116,3cyclictest2386090-21apt-get21:45:121
222797499210,2cyclictest0-21swapper/122:52:191
222797499210,2cyclictest0-21swapper/120:15:131
222797499210,20cyclictest2420344-21sshd22:15:221
222797499210,1cyclictest0-21swapper/123:22:571
2227970992118,2cyclictest2288893-21apt-get20:10:120
2227970992118,1cyclictest2549000-21apt-get00:25:110
2227970992117,2cyclictest509-21systemd-logind22:10:010
222797099210,2cyclictest0-21swapper/021:30:120
222797099210,20cyclictest0-21swapper/019:25:190
222797099210,20cyclictest0-21swapper/000:15:130
222797099210,1cyclictest2559178-21apt-get00:35:110
222797099210,1cyclictest0-21swapper/022:45:120
222797099210,1cyclictest0-21swapper/019:40:110
2227979992018,1cyclictest0-21swapper/322:10:123
2227979992018,1cyclictest0-21swapper/320:25:123
2227979992018,1cyclictest0-21swapper/300:20:123
2227979992017,2cyclictest261-21systemd-journal19:30:003
222797999200,1cyclictest0-21swapper/319:35:123
222797999200,1cyclictest0-21swapper/319:10:123
222797999200,1cyclictest0-21swapper/300:35:103
222797999200,19cyclictest2538575-21idleruntime-cro00:15:003
222797999200,19cyclictest0-21swapper/320:15:203
2227976992018,1cyclictest0-21swapper/221:18:132
2227976992018,1cyclictest0-21swapper/220:50:122
2227976992018,1cyclictest0-21swapper/219:50:112
2227976992017,1cyclictest0-21swapper/223:35:112
222797699201,19cyclictest0-21swapper/220:29:502
222797699200,1cyclictest0-21swapper/223:05:122
222797699200,1cyclictest0-21swapper/219:55:122
222797699200,1cyclictest0-21swapper/200:05:102
222797699200,19cyclictest0-21swapper/219:21:012
2227974992017,2cyclictest2227984-21latency_hist19:10:001
2227974992017,2cyclictest0-21swapper/121:00:111
2227974992016,3cyclictest0-21swapper/122:45:131
2227974992016,2cyclictest0-21swapper/100:15:131
222797499200,19cyclictest0-21swapper/123:05:121
222797499200,18cyclictest0-21swapper/100:30:131
2227970992018,1cyclictest2426504-21apt-get22:25:100
2227970992018,1cyclictest2263570-21apt-get19:45:110
2227970992018,1cyclictest0-21swapper/023:46:360
2227970992018,1cyclictest0-21swapper/022:35:120
222797099200,1cyclictest0-21swapper/000:05:120
222797099200,19cyclictest2421951-21irqcore22:20:150
222797099200,19cyclictest0-21swapper/022:10:110
222797099200,19cyclictest0-21swapper/022:00:130
222797099200,19cyclictest0-21swapper/021:55:120
222797099200,19cyclictest0-21swapper/021:05:120
222797099200,19cyclictest0-21swapper/019:18:190
222797099200,19cyclictest0-21swapper/019:10:120
2227979991918,1cyclictest0-21swapper/323:06:173
2227979991918,0cyclictest0-21swapper/322:15:123
2227979991917,1cyclictest2369748-21ntpq21:25:213
2227979991917,1cyclictest0-21swapper/323:15:113
2227979991916,2cyclictest2333737-21ntpq20:50:213
2227979991915,2cyclictest2360770-21apt-get21:20:113
2227979991915,2cyclictest2360770-21apt-get21:20:103
2227979991915,2cyclictest2248409-21apt-get19:30:133
2227976991917,1cyclictest0-21swapper/221:00:112
2227976991917,1cyclictest0-21swapper/219:45:112
2227976991917,1cyclictest0-21swapper/200:20:122
2227976991916,2cyclictest2313948-21sh20:34:592
2227976991916,2cyclictest0-21swapper/222:15:452
2227976991915,3cyclictest2299521-21irqcore20:20:162
2227976991915,2cyclictest2390052-21ntpq21:45:212
222797699190,0cyclictest0-21swapper/223:14:202
2227974991917,1cyclictest0-21swapper/123:10:111
2227974991915,3cyclictest2552864-21needreboot00:25:181
2227974991915,2cyclictest2228189-21apt-get19:10:121
2227970991917,1cyclictest0-21swapper/021:20:110
2227970991917,1cyclictest0-21swapper/021:20:100
2227970991917,1cyclictest0-21swapper/021:10:110
2227970991917,1cyclictest0-21swapper/020:35:120
2227970991917,1cyclictest0-21swapper/020:05:120
2227970991917,1cyclictest0-21swapper/000:01:340
2227970991917,1cyclictest0-21swapper/000:01:330
2227970991916,2cyclictest2462152-21awk22:59:590
222797099190,1cyclictest0-21swapper/023:24:020
222797099190,1cyclictest0-21swapper/019:30:120
2227979991816,1cyclictest0-21swapper/320:03:313
2227979991814,2cyclictest2437062-21apt-get22:35:113
222797999180,18cyclictest0-21swapper/320:55:213
222797999180,18cyclictest0-21swapper/320:39:593
2227976991816,1cyclictest1-21systemd20:45:002
2227976991816,1cyclictest0-21swapper/223:34:152
2227976991816,1cyclictest0-21swapper/223:20:122
2227976991815,2cyclictest22829612sleep220:00:242
2227976991814,2cyclictest2350545-21apt-get21:10:112
2227974991814,2cyclictest0-21swapper/120:20:231
222797499180,17cyclictest0-21swapper/121:30:121
2227970991816,1cyclictest2472957-21apt-get23:10:100
2227970991815,2cyclictest2333841-21taskset20:50:240
2227970991814,2cyclictest2548720-21cron00:25:000
2227979991716,1cyclictest64-21kcompactd022:27:343
2227979991714,1cyclictest0-21swapper/322:00:003
2227979991713,2cyclictest2243089-21sh19:25:003
2227976991715,1cyclictest0-21swapper/221:35:122
2227976991715,1cyclictest0-21swapper/200:25:122
2227976991714,1cyclictest0-21swapper/221:55:132
2227974991714,2cyclictest0-21swapper/123:15:151
2227974991712,3cyclictest2238023-21cron19:20:001
2227970991713,3cyclictest2320198-21cut20:40:150
222797099170,0cyclictest64-21kcompactd019:51:410
2227979991615,0cyclictest0-21swapper/320:30:143
2227979991614,1cyclictest0-21swapper/322:20:093
2227979991614,1cyclictest0-21swapper/300:30:133
2227976991614,1cyclictest0-21swapper/222:10:122
2227974991610,4cyclictest2238789-21grep19:20:161
2227970991613,2cyclictest62450irq/134-enp0s29f1:tx-021:45:180
2227970991613,2cyclictest61650irq/133-enp0s29f1:rx-021:40:160
2227970991612,3cyclictest61650irq/133-enp0s29f1:rx-022:15:220
222797999159,4cyclictest261-21systemd-journal22:54:593
2227979991513,1cyclictest0-21swapper/321:45:213
2227979991513,1cyclictest0-21swapper/321:35:113
2227976991512,2cyclictest2421948-21sed22:20:142
222797699150,13cyclictest2293697-21awk20:14:592
2227974991512,2cyclictest2563032-21needreboot00:35:181
2227974991511,3cyclictest2401609-21gltestperf22:00:151
2227970991513,1cyclictest0-21swapper/023:50:120
2227970991512,2cyclictest61650irq/133-enp0s29f1:rx-022:40:210
2227970991512,2cyclictest61650irq/133-enp0s29f1:rx-021:15:220
2227970991512,2cyclictest61650irq/133-enp0s29f1:rx-020:15:220
222797999149,4cyclictest2328655-21ntpq20:45:183
2227979991413,1cyclictest0-21swapper/322:00:133
2227979991412,1cyclictest0-21swapper/323:20:123
2227979991411,2cyclictest2528971-21gltestperf00:05:133
222797499149,3cyclictest2365573-21cron21:25:011
222797499149,3cyclictest2365573-21cron21:25:001
222797499147,5cyclictest261-21systemd-journal23:29:591
2227970991411,2cyclictest61650irq/133-enp0s29f1:rx-023:35:190
2227970991411,2cyclictest2335026-21cpuspeed_turbos20:55:130
2227979991310,2cyclictest2272421-21needreboot19:50:183
222797699139,3cyclictest2339735-21awk21:00:002
222797499138,3cyclictest2436413-21systemd-run22:35:011
2227970991310,2cyclictest61650irq/133-enp0s29f1:rx-020:49:260
2227970991310,2cyclictest61650irq/133-enp0s29f1:rx-020:00:140
222797999129,1cyclictest0-21swapper/321:50:103
222797499125,2cyclictest191rcu_preempt23:55:001
222797699106,2cyclictest0-21swapper/219:35:252
22279709985,2cyclictest2227895-21latency_hist19:10:010
22279799974,2cyclictest18250irq/132-nvme0q419:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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