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2026-08-10 - 09:08
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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 highest latencies:
System rackeslot4.osadl.org (updated Mon Aug 10, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120810099272,21cyclictest1254897-21apt-get19:55:141
120810699261,23cyclictest1367616-21taskset21:45:163
120810699261,23cyclictest1367616-21taskset21:45:153
120810699260,21cyclictest1336498-21apt-get21:15:143
120810299262,22cyclictest1494731-21apt-get23:50:122
120810299261,22cyclictest1367327-21apt-get21:45:142
120810299261,22cyclictest1367327-21apt-get21:45:142
120810699251,21cyclictest1499801-21apt-get23:55:123
120810299252,21cyclictest1541333-21apt-get00:35:142
1208102992520,2cyclictest1285399-21apt-get20:25:122
120810299251,22cyclictest1244285-21apt-get19:45:132
120810299251,21cyclictest1448986-21apt-get23:05:112
120810299250,23cyclictest1408848-21irqcore22:25:172
120810099250,22cyclictest1479534-21taskset23:35:121
120810699242,21cyclictest1275202-21apt-get20:15:123
1208106992420,2cyclictest1233702-21apt-get19:35:153
120810699241,19cyclictest1331453-21apt-get21:10:153
120810299242,20cyclictest1443916-21apt-get23:00:122
120810299241,3cyclictest1326865-21grep21:05:152
120810299241,3cyclictest1300355-21cron20:39:592
120810299241,2cyclictest1474407-21apt-get23:30:122
120810299241,2cyclictest1438848-21apt-get22:55:132
120810299241,2cyclictest1423594-21apt-get22:40:122
120810299241,2cyclictest0-21swapper/221:00:132
120810299241,22cyclictest64-21kcompactd020:59:232
120810299241,21cyclictest1290467-21apt-get20:30:132
120810299240,3cyclictest1536741-21cut00:30:172
120810299240,21cyclictest1306124-21apt-get20:45:132
1208100992420,2cyclictest1213396-21apt-get19:15:151
1208100992420,2cyclictest1213396-21apt-get19:15:141
120810099241,20cyclictest1398190-21apt-get22:15:111
120810099241,20cyclictest1382559-21apt-get22:00:141
120809799242,2cyclictest1270115-21apt-get20:10:170
1208097992420,3cyclictest1223558-21apt-get19:25:120
120809799241,21cyclictest1438848-21apt-get22:55:120
120809799240,4cyclictest1249172-21unin-run19:50:000
120809799240,23cyclictest1495146-21taskset23:50:160
120810699232,20cyclictest1357184-21apt-get21:35:103
1208106992320,2cyclictest1489421-21systemd-run23:45:003
1208106992318,4cyclictest1316010-21idleruntime-cro20:54:593
120810699230,21cyclictest1300508-21latency_hist20:40:003
120810699230,20cyclictest0-21swapper/323:10:113
1208102992320,2cyclictest1459126-21apt-get23:15:132
1208102992320,2cyclictest1270115-21apt-get20:10:172
1208102992319,2cyclictest1515506-21apt-get00:10:122
1208102992319,2cyclictest0-21swapper/219:30:172
120810299231,2cyclictest1237683-21ntpq19:35:252
120810299231,2cyclictest0-21swapper/221:50:122
120810299231,21cyclictest1531149-21apt-get00:25:142
120810299231,21cyclictest0-21swapper/222:05:122
120810299231,20cyclictest1418523-21apt-get22:35:112
120810299231,20cyclictest1347062-21apt-get21:25:112
120810299231,20cyclictest0-21swapper/223:55:122
120810299231,20cyclictest0-21swapper/221:55:112
120810299230,3cyclictest1341295-21ls21:20:002
120810299230,22cyclictest1430894-21/usr/sbin/munin22:45:182
120810299230,21cyclictest0-21swapper/223:25:112
120810299230,21cyclictest0-21swapper/222:30:152
120810299230,21cyclictest0-21swapper/221:35:102
120810299230,21cyclictest0-21swapper/220:50:102
120810299230,20cyclictest0-21swapper/220:15:122
1208100992319,2cyclictest1311213-21apt-get20:50:101
1208100992319,2cyclictest1295560-21apt-get20:35:121
120810099231,2cyclictest1454056-21apt-get23:10:121
120810099230,21cyclictest1392843-21cron22:10:001
120810099230,20cyclictest1352120-21apt-get21:30:161
120810099230,20cyclictest0-21swapper/119:35:161
1208097992320,2cyclictest1403265-21apt-get22:20:120
1208097992319,3cyclictest1484623-21apt-get23:40:110
120809799231,21cyclictest1294387-21ntpq20:30:200
120809799231,20cyclictest1212233-21ntpq19:10:200
120809799230,21cyclictest1392407-21sed22:05:250
1208106992219,2cyclictest0-21swapper/321:05:113
120810699221,1cyclictest1464199-21apt-get23:20:123
120810699220,2cyclictest1397913-21cron22:15:013
120810699220,20cyclictest0-21swapper/322:40:123
120810699220,19cyclictest0-21swapper/323:00:123
120810699220,19cyclictest0-21swapper/300:15:133
120810699220,19cyclictest0-21swapper/300:15:123
1208102992220,1cyclictest41-21ksoftirqd/221:25:002
1208102992219,2cyclictest0-21swapper/223:20:122
1208102992219,1cyclictest0-21swapper/219:55:142
120810299221,19cyclictest0-21swapper/221:10:162
120810299220,2cyclictest0-21swapper/200:21:322
120810299220,21cyclictest0-21swapper/221:40:132
120810299220,21cyclictest0-21swapper/221:30:242
120810299220,20cyclictest391rcuc/219:50:162
120810299220,20cyclictest1301055-21apt-get20:40:132
120810299220,19cyclictest0-21swapper/220:05:132
1208100992219,2cyclictest0-21swapper/119:50:131
1208100992219,2cyclictest0-21swapper/119:50:011
1208100992218,2cyclictest1368279-21sed21:45:191
1208100992218,2cyclictest1368279-21sed21:45:191
1208100992218,2cyclictest0-21swapper/120:30:131
120810099221,1cyclictest1208313-21apt-get19:10:121
120810099220,20cyclictest0-21swapper/122:10:131
120810099220,20cyclictest0-21swapper/120:25:131
120810099220,20cyclictest0-21swapper/120:15:131
1208097992219,1cyclictest1437723-21ntpq22:50:200
1208097992219,1cyclictest0-21swapper/023:25:100
1208097992218,2cyclictest1367830-21cut21:45:180
1208097992218,2cyclictest1367830-21cut21:45:170
1208097992218,2cyclictest1300770-21date20:40:010
120809799221,20cyclictest1479531-21apt-get23:35:120
120809799221,1cyclictest1361121-21ntpq21:35:200
120809799220,2cyclictest1428386-21cron22:45:000
120809799220,19cyclictest64-21kcompactd020:00:150
120809799220,19cyclictest0-21swapper/023:55:110
1208106992119,1cyclictest1459126-21apt-get23:15:133
1208106992119,1cyclictest0-21swapper/323:50:123
1208106992119,1cyclictest0-21swapper/322:35:113
1208106992119,1cyclictest0-21swapper/319:55:143
120810699211,1cyclictest0-21swapper/323:05:123
120810699210,20cyclictest0-21swapper/320:30:123
1208102992119,1cyclictest0-21swapper/200:05:002
1208102992118,2cyclictest1228369-21latency_hist19:30:002
120810299210,2cyclictest0-21swapper/222:15:112
120810299210,20cyclictest1383043-21ps22:00:192
1208100992119,1cyclictest0-21swapper/123:40:121
1208100992119,1cyclictest0-21swapper/121:50:121
1208100992119,1cyclictest0-21swapper/121:10:161
1208100992118,1cyclictest1413452-21apt-get22:30:111
1208100992118,1cyclictest0-21swapper/122:55:131
1208100992118,1cyclictest0-21swapper/121:15:141
1208100992117,2cyclictest1346836-21awk21:25:001
1208100992115,4cyclictest1363206-21ps21:40:181
120810099210,2cyclictest1514353-21ntpq00:05:261
120810099210,20cyclictest1524477-21ntpq00:15:221
120810099210,20cyclictest1524477-21ntpq00:15:221
120810099210,20cyclictest0-21swapper/119:40:231
120810099210,1cyclictest1280309-21taskset20:20:111
120810099210,19cyclictest1428410-21awk22:45:011
120810099210,19cyclictest0-21swapper/123:45:111
120810099210,19cyclictest0-21swapper/100:30:131
120810099210,18cyclictest0-21swapper/123:15:131
1208097992118,2cyclictest1463928-21sh23:20:000
1208097992118,2cyclictest1420749-21sort22:35:160
120809799211,1cyclictest1316289-21apt-get20:55:150
120809799210,20cyclictest1527873-21ps00:20:160
120809799210,20cyclictest1346695-21cut21:25:010
120809799210,1cyclictest1238878-21apt-config19:40:010
1208106992018,1cyclictest1346760-21sort21:25:003
1208106992018,1cyclictest0-21swapper/320:55:153
1208106992018,1cyclictest0-21swapper/319:45:133
1208106992018,1cyclictest0-21swapper/319:40:133
1208106992018,1cyclictest0-21swapper/300:20:113
1208106992017,2cyclictest1-21systemd23:35:003
1208106992016,3cyclictest1540206-21ntp_kernel_pll_00:30:213
1208106992016,2cyclictest1474141-21latency_hist23:30:003
1208106992016,2cyclictest1434253-21sed22:50:153
120810699200,1cyclictest0-21swapper/322:30:203
120810699200,1cyclictest0-21swapper/321:55:113
120810699200,1cyclictest0-21swapper/319:30:123
120810699200,1cyclictest0-21swapper/319:25:123
120810699200,1cyclictest0-21swapper/300:10:123
120810699200,19cyclictest509-21systemd-logind21:45:003
120810699200,19cyclictest0-21swapper/323:45:313
120810699200,19cyclictest0-21swapper/321:00:133
120810699200,19cyclictest0-21swapper/320:40:133
120810699200,19cyclictest0-21swapper/319:50:133
120810699200,19cyclictest0-21swapper/319:25:003
1208102992018,1cyclictest0-21swapper/223:14:522
1208102992018,1cyclictest0-21swapper/222:20:122
120810299200,1cyclictest0-21swapper/222:50:112
1208100992018,1cyclictest0-21swapper/122:45:241
1208100992018,1cyclictest0-21swapper/120:10:161
1208100992017,2cyclictest0-21swapper/100:00:141
1208100992017,1cyclictest0-21swapper/123:50:121
120810099200,1cyclictest0-21swapper/122:50:111
120810099200,1cyclictest0-21swapper/120:05:011
120810099200,19cyclictest0-21swapper/119:25:171
120810099200,19cyclictest0-21swapper/100:36:021
120810099200,18cyclictest0-21swapper/120:05:131
1208097992018,1cyclictest64-21kcompactd020:46:290
1208097992018,1cyclictest64-21kcompactd019:53:480
1208097992018,1cyclictest0-21swapper/022:15:110
1208097992018,1cyclictest0-21swapper/022:00:140
1208097992018,1cyclictest0-21swapper/000:15:130
1208097992018,1cyclictest0-21swapper/000:15:130
1208097992016,2cyclictest1228628-21apt-get19:30:120
120809799200,1cyclictest1238506-21apt-get19:40:020
120809799200,1cyclictest0-21swapper/021:25:110
120809799200,1cyclictest0-21swapper/021:10:150
120809799200,1cyclictest0-21swapper/000:00:140
120809799200,19cyclictest1444420-21irqcore23:00:160
120809799200,19cyclictest0-21swapper/023:30:130
120809799200,19cyclictest0-21swapper/022:10:110
120809799200,19cyclictest0-21swapper/000:10:110
1208106991917,1cyclictest0-21swapper/322:07:073
1208106991917,1cyclictest0-21swapper/300:35:143
1208106991916,2cyclictest1372417-21apt-get21:50:123
1208106991916,2cyclictest1352609-21irqcore21:30:203
120810699190,2cyclictest1269830-21cron20:10:003
120810699190,1cyclictest0-21swapper/320:25:123
120810699190,1cyclictest0-21swapper/320:13:093
120810699190,18cyclictest0-21swapper/323:37:583
1208100991917,1cyclictest0-21swapper/123:55:121
1208100991917,1cyclictest0-21swapper/123:30:231
1208100991917,1cyclictest0-21swapper/120:48:391
1208100991917,1cyclictest0-21swapper/100:20:111
1208100991916,2cyclictest32-21ksoftirqd/120:40:171
1208097991918,1cyclictest0-21swapper/019:19:230
1208097991918,1cyclictest0-21swapper/019:19:230
1208097991918,1cyclictest0-21swapper/000:30:220
120809799190,3cyclictest1458866-21turbostat23:14:590
120809799190,1cyclictest0-21swapper/020:15:120
120809799190,19cyclictest64-21kcompactd023:49:160
120809799190,19cyclictest0-21swapper/020:25:120
120809799190,18cyclictest0-21swapper/021:55:100
1208106991817,1cyclictest0-21swapper/322:15:223
1208106991817,1cyclictest0-21swapper/319:19:563
1208106991817,1cyclictest0-21swapper/319:19:563
1208106991816,1cyclictest0-21swapper/300:05:163
1208106991816,1cyclictest0-21swapper/300:00:023
1208106991814,2cyclictest0-21swapper/322:05:003
1208102991816,1cyclictest0-21swapper/200:07:012
1208100991816,1cyclictest0-21swapper/122:35:101
1208100991815,2cyclictest1464695-21ps23:20:161
1208097991817,1cyclictest0-21swapper/000:37:380
1208097991816,1cyclictest1326139-21unin-run21:04:590
1208097991816,1cyclictest0-21swapper/023:05:130
1208097991816,1cyclictest0-21swapper/021:30:150
1208097991816,1cyclictest0-21swapper/021:19:590
1208097991816,1cyclictest0-21swapper/000:05:170
1208106991716,1cyclictest0-21swapper/322:47:273
1208106991715,1cyclictest0-21swapper/322:25:133
1208106991715,1cyclictest0-21swapper/321:25:153
1208106991715,1cyclictest0-21swapper/320:45:133
1208106991713,3cyclictest1438966-21cpuspeed_turbos22:55:143
1208102991715,1cyclictest0-21swapper/223:40:122
1208102991715,1cyclictest0-21swapper/200:16:092
1208102991715,1cyclictest0-21swapper/200:16:092
1208102991713,3cyclictest1284716-21unixbench_singl20:20:252
1208100991714,1cyclictest1469290-21apt-get23:25:111
1208100991713,2cyclictest1413185-21cron22:30:011
1208097991716,1cyclictest0-21swapper/000:25:150
1208097991715,1cyclictest0-21swapper/022:45:190
1208097991713,3cyclictest61650irq/133-enp0s29f1:rx-023:20:120
1208097991713,3cyclictest61650irq/133-enp0s29f1:rx-020:50:210
1208097991713,2cyclictest1408357-21apt-get22:25:120
1208106991614,1cyclictest0-21swapper/300:27:593
1208106991612,3cyclictest1208660-21cut19:10:153
1208102991611,3cyclictest1239367-21fschecks_count19:40:152
120810099166,8cyclictest1535988-21awk00:30:001
1208100991614,1cyclictest0-21swapper/121:05:121
1208100991613,2cyclictest514-21in:imuxsock22:00:011
1208097991614,1cyclictest1265065-21apt-get20:05:130
1208097991613,2cyclictest61650irq/133-enp0s29f1:rx-021:06:340
1208097991613,2cyclictest61650irq/133-enp0s29f1:rx-020:40:150
1208102991511,2cyclictest0-21swapper/222:10:162
120810299150,13cyclictest1484374-21awk23:39:592
1208100991513,1cyclictest0-21swapper/122:20:121
1208100991513,1cyclictest0-21swapper/119:30:131
1208100991512,2cyclictest1447854-21ntpq23:00:211
1208100991512,2cyclictest0-21swapper/121:25:011
1208100991512,2cyclictest0-21swapper/100:15:001
1208097991513,1cyclictest0-21swapper/021:54:130
1208097991512,2cyclictest61650irq/133-enp0s29f1:rx-019:24:570
120810299149,3cyclictest0-21swapper/219:10:132
1208102991412,1cyclictest0-21swapper/220:00:202
1208102991411,2cyclictest1217821-21unixbench_singl19:15:282
1208102991411,2cyclictest1217821-21unixbench_singl19:15:272
120810299140,12cyclictest1494483-21awk23:50:002
120809799148,4cyclictest1280420-21tr20:20:140
1208097991412,1cyclictest0-21swapper/022:30:110
1208106991310,1cyclictest0-21swapper/320:20:143
120809799139,3cyclictest61650irq/133-enp0s29f1:rx-021:40:130
1208097991311,1cyclictest0-21swapper/019:55:140
1208106991210,1cyclictest0-21swapper/320:00:323
120810299121,2cyclictest1208027-21latency_hist19:10:012
120810099129,2cyclictest1218612-21cpuspeed_turbos19:20:131
1208100991211,1cyclictest0-21swapper/123:05:121
1208100991210,1cyclictest0-21swapper/121:35:191
120810099119,1cyclictest0-21swapper/121:00:161
120810099117,3cyclictest1316355-21cpuspeed_turbos20:55:151
120810699105,3cyclictest1208198-21wc19:10:003
120809799100,8cyclictest1208108-21cat19:10:000
12081009995,3cyclictest1208120-21wc19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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