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2026-06-19 - 14:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rackeslot2.osadl.org (updated Fri Jun 19, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253223721480,1sleep12532236-21ssh23:20:501
253223721480,1sleep12532236-21ssh23:20:501
221705321220,2sleep0191rcu_preempt19:30:250
251183621000,2sleep30-21swapper/323:10:103
23930162890,2sleep30-21swapper/321:50:023
24443102680,1sleep12444309-21ssh22:24:191
2184668992421,1cyclictest0-21swapper/200:40:012
2184666992413,10cyclictest660-21dbus-daemon22:50:020
2184668992320,1cyclictest0-21swapper/222:50:022
218466799239,5cyclictest0-21swapper/100:00:101
2184668992219,2cyclictest0-21swapper/223:55:022
2184666992219,2cyclictest3937-21cron20:00:010
2184666992219,2cyclictest2429967-21grep22:15:020
2184668992119,1cyclictest0-21swapper/220:50:012
2184668992118,1cyclictest0-21swapper/223:10:022
2184668992118,1cyclictest0-21swapper/220:10:202
2184668992118,1cyclictest0-21swapper/200:20:022
2184667992118,2cyclictest274-21systemd-journal00:00:011
2184666992118,2cyclictest658-21avahi-daemon23:55:010
2184666992111,9cyclictest2622530-21ssh00:25:100
2184667992012,4cyclictest2535675-21kthreadcore23:25:161
2184666992017,2cyclictest2584968-21cron00:00:000
2184666992016,3cyclictest2339767-21grep21:10:250
2184666992012,6cyclictest0-21swapper/023:15:020
23354412190,1sleep12335412-21ssh21:10:161
2184668991916,2cyclictest0-21swapper/223:00:212
2184668991916,1cyclictest0-21swapper/223:20:182
2184668991916,1cyclictest0-21swapper/223:20:182
2184668991916,1cyclictest0-21swapper/220:10:012
218466899190,4cyclictest0-21swapper/220:00:082
2184666991916,2cyclictest274-21systemd-journal00:13:070
2184666991916,2cyclictest2401227-21sh21:55:120
218466699191,2cyclictest2615881-21ssh00:20:150
2184666991912,5cyclictest2440463-21kthreadcore22:20:180
2184666991911,2cyclictest2272963-21sshd20:20:080
2184666991910,6cyclictest0-21swapper/022:25:090
3153791180,3phc2sys0-21swapper/322:56:283
2184668991815,1cyclictest0-21swapper/223:45:012
2184668991815,1cyclictest0-21swapper/222:55:212
2184668991815,1cyclictest0-21swapper/222:35:142
2184668991815,1cyclictest0-21swapper/222:35:012
2184668991815,1cyclictest0-21swapper/222:10:132
2184668991815,1cyclictest0-21swapper/200:30:012
218466799186,6cyclictest2616171-21sed00:20:171
2184667991815,2cyclictest2481599-21apt-key22:50:021
2184667991815,2cyclictest1-21systemd22:30:011
2184667991812,2cyclictest67250irq/126-eno122:00:001
2184667991811,3cyclictest2381521-21kthreadcore21:40:161
2184667991810,4cyclictest2333927-21diskmemload22:51:281
218466799180,7cyclictest2248327-21systemctl20:00:011
218466699189,8cyclictest0-21swapper/023:40:110
218466699186,6cyclictest274-21systemd-journal22:09:080
2184666991815,2cyclictest2460247-21uniq22:35:140
2184666991815,2cyclictest2371053-21systemd21:35:030
2184666991815,2cyclictest2317206-21kthreadcore20:55:170
2184666991814,2cyclictest2372052-21irqcore21:35:150
3153791171,2phc2sys0-21swapper/323:54:263
3153791171,1phc2sys0-21swapper/320:10:083
3153791170,2phc2sys0-21swapper/321:52:243
2184668991714,1cyclictest0-21swapper/223:50:012
2184668991714,1cyclictest0-21swapper/200:35:012
2184667991714,2cyclictest660-21dbus-daemon21:25:031
2184667991714,2cyclictest2568075-21missed_timers23:45:201
2184667991714,2cyclictest2416384-21sed22:05:141
2184667991714,2cyclictest2408687-21fschecks_time22:00:121
2184667991714,2cyclictest2208870-21kthreadcore19:25:161
2184667991714,2cyclictest0-21swapper/123:00:011
2184667991712,4cyclictest1247-21mta-sts-daemon21:34:541
2184667991712,2cyclictest1246-21mta-sts-daemon00:16:491
218466699178,7cyclictest2494597-21pmu-power22:55:210
2184666991714,2cyclictest274-21systemd-journal21:30:020
2184666991714,2cyclictest2644226-21perf00:40:010
2184666991714,2cyclictest2608223-21grep00:15:140
2184666991714,2cyclictest2386763-21if_enp1s021:45:140
2184666991714,2cyclictest2308312-21pmu-power20:45:220
2184666991714,2cyclictest2260544-21sh20:10:010
2184666991712,2cyclictest1237-21mta-sts-daemon22:50:580
2184666991711,5cyclictest1247-21mta-sts-daemon23:15:380
2184666991710,6cyclictest2592080-21runrttasks00:03:540
2184666991710,6cyclictest2371056-21kworker/u16:3+nfsiod21:43:040
492398160,3rtkit-daemon0-21swapper/119:54:131
3153791169,2phc2sys0-21swapper/323:35:043
3153791160,2phc2sys0-21swapper/322:15:113
2184668991614,1cyclictest0-21swapper/223:59:552
2184668991614,1cyclictest0-21swapper/223:35:232
2184668991614,1cyclictest0-21swapper/222:00:132
2184668991614,1cyclictest0-21swapper/221:55:032
2184668991614,1cyclictest0-21swapper/220:35:022
2184668991613,1cyclictest0-21swapper/223:10:102
2184668991613,1cyclictest0-21swapper/222:55:012
2184668991613,1cyclictest0-21swapper/221:30:012
2184668991613,1cyclictest0-21swapper/220:20:122
2184668991613,1cyclictest0-21swapper/219:11:572
2184668991613,1cyclictest0-21swapper/200:25:012
2184668991612,2cyclictest0-21swapper/221:10:212
2184668991612,2cyclictest0-21swapper/200:09:442
218466799164,3cyclictest2333927-21diskmemload21:49:101
2184667991613,2cyclictest658-21avahi-daemon23:35:021
2184667991613,2cyclictest2627716-21threads00:25:241
2184667991613,2cyclictest2575470-21needreboot23:50:191
2184667991613,2cyclictest2260520-21ls20:10:011
2184667991613,2cyclictest1242-21mta-sts-daemon23:42:021
2184667991612,3cyclictest2269119-21kthreadcore20:15:161
2184667991612,3cyclictest2269119-21kthreadcore20:15:161
2184667991612,3cyclictest2216711-21pmu-power19:30:221
2184667991612,3cyclictest2184664-21cyclictest22:30:181
218466699168,3cyclictest2415143-21kworker/u16:1+nfsiod23:25:060
218466699166,5cyclictest0-21swapper/023:20:170
218466699166,5cyclictest0-21swapper/023:20:170
2184666991614,1cyclictest0-21swapper/000:35:010
2184666991613,2cyclictest2509526-21mailstats23:05:230
2184666991613,2cyclictest2472135-21grep22:40:210
2184666991613,2cyclictest2298083-21gltestperf20:40:120
2184666991613,2cyclictest2230855-21fschecks_time19:45:120
2184666991613,2cyclictest2206279-21fschecks_time19:25:130
2184666991612,3cyclictest2436635-21kworker/u16:2+nfsiod22:33:450
2184666991612,3cyclictest2397302-21kthreadcore21:50:160
492398150,7rtkit-daemon1242-21mta-sts-daemon21:21:170
3153791150,2phc2sys0-21swapper/323:49:053
3153791150,2phc2sys0-21swapper/321:38:073
2184668991512,1cyclictest0-21swapper/223:25:162
2184668991512,1cyclictest0-21swapper/222:25:182
2184668991512,1cyclictest0-21swapper/222:20:182
2184668991512,1cyclictest0-21swapper/222:15:182
2184668991512,1cyclictest0-21swapper/221:18:092
2184668991512,1cyclictest0-21swapper/221:10:012
2184668991512,1cyclictest0-21swapper/220:50:122
2184668991512,1cyclictest0-21swapper/220:15:122
2184668991512,1cyclictest0-21swapper/220:15:122
2184668991512,1cyclictest0-21swapper/200:04:552
2184668991511,2cyclictest0-21swapper/223:15:442
2184668991511,2cyclictest0-21swapper/221:46:032
2184668991510,3cyclictest0-21swapper/219:40:222
218466899150,3cyclictest23637552sleep221:30:102
218466799157,7cyclictest2324565-21tr21:00:171
218466799157,3cyclictest2333927-21diskmemload00:12:431
2184667991512,2cyclictest2644499-21sh00:40:031
2184667991512,2cyclictest2515044-21kthreadcore23:10:171
2184667991512,2cyclictest2464636-21tr22:35:211
2184667991512,2cyclictest2394244-21irqcore21:50:131
2184667991512,2cyclictest2376623-21grep21:35:231
2184667991512,2cyclictest2303103-21cron20:45:001
2184667991512,2cyclictest2286524-21kthreadcore20:30:161
2184667991512,2cyclictest2262901-21kthreadcore20:10:151
2184667991512,2cyclictest2197842-21kthreadcore19:15:181
2184667991512,2cyclictest2184664-21cyclictest23:15:231
2184667991512,2cyclictest1247-21mta-sts-daemon00:30:421
2184667991512,2cyclictest1246-21mta-sts-daemon20:02:101
2184667991512,2cyclictest0-21swapper/121:20:011
2184667991512,2cyclictest0-21swapper/121:00:011
2184667991511,3cyclictest2315576-21dump-pmu-power20:55:001
2184667991511,3cyclictest2185577-21gltestperf19:10:131
2184667991510,4cyclictest1247-21mta-sts-daemon21:25:531
218466799150,2cyclictest2473038-21ssh22:41:531
2184666991513,1cyclictest1242-21mta-sts-daemon20:20:010
2184666991513,1cyclictest1242-21mta-sts-daemon20:20:010
2184666991512,2cyclictest2594820-21kthreadcore00:05:170
2184666991512,2cyclictest2555643-21sendmail23:40:000
2184666991512,2cyclictest2499889-21kthreadcore23:00:160
2184666991512,2cyclictest2322785-21gltestperf21:00:140
2184666991512,2cyclictest2285219-21aten_repower_en20:30:100
2184666991512,2cyclictest2284083-21mailstats20:25:210
2184666991512,2cyclictest2266544-21latency_hist20:15:030
2184666991512,2cyclictest2192972-21acpi19:15:030
2184666991512,2cyclictest1246-21mta-sts-daemon21:18:280
2184666991512,2cyclictest1246-21mta-sts-daemon21:05:100
2184666991512,2cyclictest0-21swapper/020:40:010
2184666991511,3cyclictest2226648-21kthreadcore19:40:160
2184666991511,2cyclictest2437151-21latency_hist22:20:020
3153791141,2phc2sys0-21swapper/323:00:453
3153791141,2phc2sys0-21swapper/321:42:223
3153791141,2phc2sys0-21swapper/321:21:543
3153791141,2phc2sys0-21swapper/320:23:553
3153791140,6phc2sys0-21swapper/322:39:393
3153791140,5phc2sys0-21swapper/319:50:083
3153791140,2phc2sys0-21swapper/321:56:403
3153791140,2phc2sys0-21swapper/321:16:143
21998342140,2sleep30-21swapper/319:20:103
2184668991412,1cyclictest0-21swapper/221:40:222
2184668991412,1cyclictest0-21swapper/221:35:172
2184668991412,1cyclictest0-21swapper/220:55:182
2184668991412,1cyclictest0-21swapper/219:55:032
2184668991412,1cyclictest0-21swapper/219:20:152
2184668991411,1cyclictest0-21swapper/223:30:232
2184668991411,1cyclictest0-21swapper/222:09:162
2184668991411,1cyclictest0-21swapper/220:40:142
2184668991411,1cyclictest0-21swapper/219:35:162
2184668991411,1cyclictest0-21swapper/219:25:132
2184668991410,2cyclictest0-21swapper/219:15:172
218466799147,2cyclictest2200612-21irqrtprio19:20:141
218466799144,5cyclictest2334108-21cat21:10:021
218466799143,6cyclictest2497049-21aten_repower_cu23:00:081
2184667991412,1cyclictest1247-21mta-sts-daemon20:46:461
2184667991411,2cyclictest2279723-21fschecks_time20:25:131
2184667991411,2cyclictest1247-21mta-sts-daemon20:22:571
2184667991411,2cyclictest0-21swapper/123:40:021
2184667991411,2cyclictest0-21swapper/122:20:011
2184667991411,2cyclictest0-21swapper/122:10:221
2184667991410,3cyclictest2220741-21kthreadcore19:35:161
2184667991410,3cyclictest2184664-21cyclictest19:40:171
2184667991410,3cyclictest0-21swapper/123:05:151
218466699147,6cyclictest0-21swapper/019:20:090
2184666991411,2cyclictest2544963-21kthreadcore23:30:170
2184666991411,2cyclictest2409480-21kthreadcore22:00:150
2184666991411,2cyclictest2237650-21kthreadcore19:50:150
2184666991411,2cyclictest2190999-21kthreadcore19:15:010
2184666991411,2cyclictest1246-21mta-sts-daemon23:46:200
2184666991411,2cyclictest0-21swapper/020:00:210
3153791131,2phc2sys0-21swapper/300:37:293
3153791131,2phc2sys0-21swapper/300:23:093
3153791130,5phc2sys0-21swapper/319:35:093
3153791130,2phc2sys0-21swapper/323:27:303
3153791130,2phc2sys0-21swapper/321:33:123
3153791130,2phc2sys0-21swapper/300:19:493
218466899131,5cyclictest0-21swapper/220:40:012
2184668991311,1cyclictest0-21swapper/221:55:182
2184668991311,1cyclictest0-21swapper/221:00:162
2184668991311,1cyclictest0-21swapper/200:10:112
2184668991310,1cyclictest0-21swapper/222:40:102
2184668991310,1cyclictest0-21swapper/220:25:152
2184668991310,1cyclictest0-21swapper/219:50:122
2184668991310,1cyclictest0-21swapper/219:45:102
218466799139,3cyclictest2291414-21aten_repower_vo20:35:111
218466799135,3cyclictest0-21swapper/100:05:231
2184667991310,2cyclictest1242-21mta-sts-daemon19:45:101
2184666991310,2cyclictest2310015-21cpuspeed20:50:120
2184666991310,2cyclictest2218306-21cstates19:35:110
3153791124,3phc2sys0-21swapper/322:30:103
3153791121,5phc2sys0-21swapper/319:25:093
3153791120,4phc2sys0-21swapper/323:44:463
3153791120,4phc2sys0-21swapper/322:27:553
3153791120,4phc2sys0-21swapper/300:07:133
3153791120,3phc2sys0-21swapper/321:25:113
3153791120,3phc2sys0-21swapper/320:45:103
3153791120,3phc2sys0-21swapper/319:45:083
3153791120,2phc2sys0-21swapper/323:05:103
3153791120,2phc2sys0-21swapper/322:44:563
3153791120,2phc2sys0-21swapper/321:08:423
3153791120,2phc2sys0-21swapper/321:00:103
3153791120,1phc2sys0-21swapper/322:24:563
3153791120,1phc2sys0-21swapper/320:53:173
22695072120,2sleep30-21swapper/320:15:163
22695072120,2sleep30-21swapper/320:15:163
2184668991210,1cyclictest0-21swapper/221:20:172
2184668991210,1cyclictest0-21swapper/219:30:142
3153791111,3phc2sys0-21swapper/319:15:093
3153791111,2phc2sys0-21swapper/322:02:023
3153791110,2phc2sys0-21swapper/322:53:243
3153791110,2phc2sys0-21swapper/322:48:333
3153791110,1phc2sys0-21swapper/320:41:183
218466799115,5cyclictest660-21dbus-daemon19:10:011
3153791101,2phc2sys0-21swapper/323:58:253
3153791101,2phc2sys0-21swapper/323:32:083
3153791101,2phc2sys0-21swapper/323:20:093
3153791101,2phc2sys0-21swapper/323:20:093
3153791101,2phc2sys0-21swapper/323:15:163
3153791101,2phc2sys0-21swapper/322:10:593
3153791101,2phc2sys0-21swapper/322:08:313
3153791101,2phc2sys0-21swapper/320:35:013
3153791101,2phc2sys0-21swapper/319:35:023
3153791101,2phc2sys0-21swapper/319:05:173
3153791101,2phc2sys0-21swapper/300:10:123
3153791100,2phc2sys0-21swapper/320:35:093
3153791100,2phc2sys0-21swapper/320:05:233
3153791100,2phc2sys0-21swapper/300:33:123
3153791100,2phc2sys0-21swapper/300:25:233
3153791100,2phc2sys0-21swapper/300:02:543
3153791100,1phc2sys0-21swapper/320:59:223
218466699104,4cyclictest2184856-21latency_hist19:10:020
315379191,2phc2sys0-21swapper/319:40:033
315379191,2phc2sys0-21swapper/319:10:093
315379190,2phc2sys0-21swapper/321:10:363
315379190,2phc2sys0-21swapper/320:25:113
315379190,2phc2sys0-21swapper/319:56:263
315379180,2phc2sys0-21swapper/320:00:063
21846689974,1cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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