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2025-11-29 - 12:52
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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 the highest latencies:
System rackeslot2.osadl.org (updated Sat Nov 29, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313241621140,1sleep00-21swapper/000:10:300
275800321080,1sleep12757992-21latency_hist20:25:001
30769022840,2sleep30-21swapper/323:40:243
26909442540,3sleep30-21swapper/319:30:003
28737042320,2sleep10-21swapper/121:44:111
29671672300,1sleep10-21swapper/122:35:291
2664307992614,7cyclictest0-21swapper/020:10:000
2664307992612,5cyclictest0-21swapper/022:45:020
2664307992413,7cyclictest3091657-21latency_hist23:50:010
835298230,8rtkit-daemon2770247-21chrt20:32:541
2664312992321,1cyclictest0-21swapper/222:20:022
2664312992320,1cyclictest0-21swapper/221:40:002
2664312992320,1cyclictest0-21swapper/220:05:012
2664312992320,1cyclictest0-21swapper/200:20:012
2664307992320,2cyclictest3004779-21cron23:00:010
2664307992312,6cyclictest0-21swapper/020:40:010
2664312992216,4cyclictest2721279-21turbostat19:55:002
2664310992219,2cyclictest3153088-21/usr/sbin/munin00:25:021
2664310992219,2cyclictest3153088-21/usr/sbin/munin00:25:021
266430799222,15cyclictest2891965-21/usr/sbin/munin21:55:270
2664307992212,5cyclictest0-21swapper/022:40:000
835298210,3rtkit-daemon2025-21snmpd23:21:160
2664312992118,1cyclictest0-21swapper/221:15:002
2664307992118,2cyclictest1635-21dbus-daemon23:30:010
2664307992110,6cyclictest0-21swapper/023:05:300
835298200,3rtkit-daemon8734-21sendmail-mta22:46:520
835298200,3rtkit-daemon2670379-21munin-node22:13:100
835298200,3rtkit-daemon2025-21snmpd20:33:370
835298200,2rtkit-daemon33802-21packagekitd22:09:010
835298200,2rtkit-daemon0-21swapper/021:19:030
835298200,2rtkit-daemon0-21swapper/019:27:420
28329212200,3sleep12832925-21kthreadcore21:20:221
2664312992017,1cyclictest0-21swapper/220:00:012
2664310992012,3cyclictest0-21swapper/122:45:011
2664307992017,2cyclictest2745818-21cron20:15:000
2664307992016,2cyclictest2935815-21sh22:20:030
2664307992014,5cyclictest2664300-21cyclictest22:34:130
2664307992013,5cyclictest2840053-21aten_repower_en21:25:160
835298190,1rtkit-daemon0-21swapper/019:17:050
302487291190,2phc2sys0-21swapper/323:30:273
2664312991916,1cyclictest0-21swapper/223:50:242
2664310991916,2cyclictest2801116-21systemctl21:00:001
2664310991916,2cyclictest2776961-21grep20:40:021
2664307991914,4cyclictest3179019-21systemd-run00:40:010
302487291180,3phc2sys0-21swapper/322:12:113
302487291180,2phc2sys0-21swapper/321:17:303
2664312991816,1cyclictest0-21swapper/222:00:012
2664312991815,1cyclictest0-21swapper/223:45:242
2664312991815,1cyclictest0-21swapper/223:15:002
2664312991815,1cyclictest0-21swapper/222:35:242
2664312991815,1cyclictest0-21swapper/220:55:242
2664312991815,1cyclictest0-21swapper/220:20:262
2664312991815,1cyclictest0-21swapper/219:15:162
2664310991815,2cyclictest2727455-21systemd20:00:011
2664310991815,2cyclictest1700-21systemd-logind22:05:001
2664310991815,2cyclictest1631-21gmain23:15:501
2664310991814,3cyclictest3053568-21missed_timers23:25:261
2664310991813,1cyclictest170550irq/121-eno122:30:011
2664307991815,2cyclictest3156190-21kthreadcore00:25:250
2664307991815,2cyclictest3152978-21sh00:25:020
2664307991815,2cyclictest3152978-21sh00:25:020
2664307991815,2cyclictest1661-21polkitd20:25:280
2664307991815,2cyclictest1-21systemd22:05:010
266430799180,16cyclictest2865496-21perf21:40:000
302487291170,2phc2sys0-21swapper/322:52:203
302487291170,2phc2sys0-21swapper/322:01:293
302487291170,2phc2sys0-21swapper/321:32:003
266431299179,2cyclictest0-21swapper/221:20:162
2664312991715,1cyclictest0-21swapper/222:55:252
2664312991715,1cyclictest0-21swapper/222:50:022
2664312991715,1cyclictest0-21swapper/220:50:022
2664312991715,1cyclictest0-21swapper/200:10:252
2664312991715,1cyclictest0-21swapper/200:00:232
2664312991714,1cyclictest0-21swapper/222:40:262
2664312991714,1cyclictest0-21swapper/222:25:232
2664312991714,1cyclictest0-21swapper/222:00:242
2664312991714,1cyclictest0-21swapper/221:50:262
2664312991714,1cyclictest0-21swapper/221:30:232
2664312991714,1cyclictest0-21swapper/220:50:232
2664312991714,1cyclictest0-21swapper/219:25:232
2664312991714,1cyclictest0-21swapper/200:30:242
2664312991714,1cyclictest0-21swapper/200:20:242
2664312991714,1cyclictest0-21swapper/200:20:242
2664312991714,1cyclictest0-21swapper/200:05:242
2664310991714,2cyclictest3100280-21latency_hist23:55:001
2664310991714,2cyclictest2806611-21timerandwakeup21:00:291
2664310991714,2cyclictest2747117-21irqcore20:15:231
2664310991714,2cyclictest2739761-21sh20:10:001
2664310991714,2cyclictest2715453-21cut19:50:021
2664310991713,3cyclictest2824615-21kthreadcore21:15:231
2664310991713,3cyclictest2701934-21latency19:35:241
266431099171,10cyclictest2927851-21sed22:15:201
266430799177,5cyclictest0-21swapper/021:40:170
2664307991714,2cyclictest3075441-21grep23:40:210
2664307991714,2cyclictest3058319-21irqcore23:30:220
2664307991714,2cyclictest1-21systemd20:45:020
2664307991711,5cyclictest3139839-21kthreadcore00:15:250
266430799170,15cyclictest2684855-21perf19:25:000
835298160,1rtkit-daemon0-21swapper/121:25:331
302487291163,2phc2sys0-21swapper/323:50:233
27311432160,2sleep0241rcuc/020:00:230
2664312991614,1cyclictest0-21swapper/223:40:192
2664312991614,1cyclictest0-21swapper/223:30:242
2664312991614,1cyclictest0-21swapper/223:25:252
2664312991614,1cyclictest0-21swapper/223:20:252
2664312991614,1cyclictest0-21swapper/222:30:242
2664312991614,1cyclictest0-21swapper/221:25:232
2664312991614,1cyclictest0-21swapper/220:40:242
2664312991614,1cyclictest0-21swapper/220:10:242
2664312991614,1cyclictest0-21swapper/219:10:252
2664312991614,1cyclictest0-21swapper/200:25:252
2664312991613,2cyclictest0-21swapper/223:15:222
2664312991613,1cyclictest0-21swapper/223:35:252
2664312991613,1cyclictest0-21swapper/223:05:262
2664312991613,1cyclictest0-21swapper/222:20:242
2664312991613,1cyclictest0-21swapper/222:07:032
2664312991613,1cyclictest0-21swapper/221:40:212
2664312991613,1cyclictest0-21swapper/221:15:252
2664312991613,1cyclictest0-21swapper/221:10:012
2664312991613,1cyclictest0-21swapper/221:00:242
2664312991613,1cyclictest0-21swapper/220:25:292
2664312991613,1cyclictest0-21swapper/220:15:242
2664312991613,1cyclictest0-21swapper/219:40:202
2664312991613,1cyclictest0-21swapper/219:20:242
2664312991612,2cyclictest0-21swapper/223:00:242
266431099163,5cyclictest2857821-21expr21:35:201
266431099161,7cyclictest2987527-21latency_hist22:50:011
2664310991613,2cyclictest8351-21rtkit-daemon19:19:321
2664310991613,2cyclictest3154686-21kthreadcore00:25:241
2664310991613,2cyclictest3135287-21latency_hist00:15:011
2664310991613,2cyclictest3121084-21kthreadcore00:05:231
2664310991613,2cyclictest3074344-21latency_hist23:40:011
2664310991613,2cyclictest3027449-21kthreadcore23:10:261
2664310991613,2cyclictest2996668-21/usr/sbin/munin22:55:231
2664310991613,2cyclictest2898080-21runrttasks21:56:181
2664310991613,2cyclictest2879811-21mailstats21:45:281
2664310991613,2cyclictest2009-21runrttasks00:31:431
2664310991613,2cyclictest1652-1atopacctd20:10:311
2664310991613,2cyclictest1635-21dbus-daemon00:05:011
2664310991613,2cyclictest0-21swapper/121:10:001
2664310991612,3cyclictest2777439-21cpuspeed_turbos20:40:181
266430799169,3cyclictest2813261-21diskmemload23:53:180
266430799168,2cyclictest0-21swapper/021:30:270
266430799168,1cyclictest0-21swapper/021:50:200
266430799163,7cyclictest0-21swapper/000:05:160
2664307991613,2cyclictest3028129-21timerwakeupswit23:10:310
2664307991613,2cyclictest2025-21snmpd21:14:070
302487291150,3phc2sys0-21swapper/322:26:373
302487291150,2phc2sys0-21swapper/322:45:503
302487291150,2phc2sys0-21swapper/321:43:183
2664312991513,1cyclictest0-21swapper/222:50:242
2664312991513,1cyclictest0-21swapper/222:10:252
2664312991513,1cyclictest0-21swapper/220:35:192
2664312991513,1cyclictest0-21swapper/219:45:242
2664312991512,1cyclictest0-21swapper/223:55:232
2664312991512,1cyclictest0-21swapper/220:05:222
2664312991512,1cyclictest0-21swapper/219:35:232
2664312991511,2cyclictest0-21swapper/220:30:242
2664312991511,2cyclictest0-21swapper/219:30:242
266431099157,3cyclictest3045146-21ptp4l-jitter23:20:291
2664310991512,2cyclictest3170845-21aten_repower_po00:35:191
2664310991512,2cyclictest3017235-21kthreadcore23:05:241
2664310991512,2cyclictest2938781-21kthreadcore22:20:251
2664310991512,2cyclictest2918697-21cpuspeed_turbos22:10:191
2664310991512,2cyclictest2862928-21kworker/u16:3-rpciod22:05:181
2664310991512,2cyclictest2816627-21kthreadcore21:10:241
2664310991512,2cyclictest2670557-21cpuspeed_turbos19:15:011
2664310991512,2cyclictest1635-21dbus-daemon21:30:271
2664310991512,2cyclictest1-21systemd19:51:301
2664310991511,3cyclictest3138509-21kthreadcore00:15:241
2664310991511,3cyclictest3101812-21irqcore23:55:221
2664310991511,3cyclictest2926622-21kworker/u16:2+nfsiod23:02:091
2664310991511,3cyclictest2885998-21kthreadcore21:50:251
2664310991511,3cyclictest2760019-21kthreadcore20:25:231
2664310991511,3cyclictest2705682-21kthreadcore19:40:201
2664310991511,3cyclictest2696276-21mailstats19:30:271
266430799157,4cyclictest0-21swapper/000:30:160
266430799156,3cyclictest2961731-21kworker/u16:3-rpciod23:56:290
266430799155,9cyclictest3038223-21sshd23:17:430
266430799153,7cyclictest1635-21dbus-daemon00:05:010
2664307991512,2cyclictest2710735-21irqrtprio19:45:220
2664307991512,2cyclictest2703207-21sh19:40:010
2664307991512,2cyclictest1700-21systemd-logind19:10:010
302487291142,3phc2sys0-21swapper/300:17:573
302487291141,3phc2sys0-21swapper/321:55:013
302487291140,2phc2sys0-21swapper/323:28:463
2664312991412,1cyclictest0-21swapper/221:45:162
2664312991412,1cyclictest0-21swapper/219:10:012
2664312991411,1cyclictest0-21swapper/200:35:212
266431099146,2cyclictest2684857-21munin-run19:25:001
2664310991412,1cyclictest3062470-21awk23:30:271
2664310991411,2cyclictest3076086-21kthreadcore23:40:231
2664310991411,2cyclictest2989299-21kthreadcore22:50:231
2664310991411,2cyclictest2953911-21cut22:30:191
2664310991411,2cyclictest2789288-21aten_repower_en20:50:171
2664310991411,2cyclictest2784576-21kthreadcore20:45:241
2664310991411,2cyclictest2686734-21kthreadcore19:25:221
2664310991410,3cyclictest2732962-21unixbench-2d20:00:281
266430799148,5cyclictest2936079-21aten2.4-expect22:20:180
266430799146,3cyclictest0-21swapper/022:25:160
266430799145,5cyclictest0-21swapper/019:56:100
266430799145,4cyclictest0-21swapper/023:35:190
266430799144,5cyclictest0-21swapper/021:22:150
2664307991411,2cyclictest8351-21rtkit-daemon21:48:330
2664307991411,2cyclictest3009395-21kthreadcore23:00:250
2664307991411,2cyclictest2996506-21latency_hist22:55:020
2664307991411,2cyclictest2800603-21unixbench-2d20:55:300
2664307991411,2cyclictest2751971-21latency_hist20:20:000
2664307991411,2cyclictest2666575-21kthreadcore19:10:250
302487291131,4phc2sys0-21swapper/300:35:163
302487291130,2phc2sys0-21swapper/323:46:193
302487291130,2phc2sys0-21swapper/322:58:213
302487291130,2phc2sys0-21swapper/322:05:143
302487291130,2phc2sys0-21swapper/300:28:113
266431099136,5cyclictest1803-21gdbus19:10:011
266430799135,7cyclictest2809493-21tr21:05:230
2664307991310,2cyclictest2803321-21kthreadcore21:00:220
2664307991310,2cyclictest2718251-21kthreadcore19:50:250
2664307991310,2cyclictest2709400-21sh19:45:020
2664307991310,2cyclictest1700-21systemd-logind20:50:020
31252042120,4sleep30-21swapper/300:08:023
302487291123,3phc2sys0-21swapper/321:45:383
302487291123,2phc2sys0-21swapper/319:05:253
302487291121,3phc2sys0-21swapper/319:45:243
302487291121,3phc2sys0-21swapper/300:20:173
302487291121,3phc2sys0-21swapper/300:20:173
302487291121,3phc2sys0-21swapper/300:10:233
302487291120,2phc2sys0-21swapper/322:40:533
302487291120,2phc2sys0-21swapper/321:04:073
302487291120,2phc2sys0-21swapper/319:53:583
302487291120,2phc2sys0-21swapper/319:19:193
266431099125,5cyclictest3085319-21tr23:45:231
266430799129,2cyclictest2691342-21aten_repower_fr19:30:170
266430799128,3cyclictest170550irq/121-eno120:50:170
266430799120,4cyclictest2752518-21tr20:20:200
302487291115,3phc2sys0-21swapper/321:29:583
302487291113,3phc2sys0-21swapper/323:20:003
302487291111,4phc2sys0-21swapper/300:30:193
302487291111,2phc2sys0-21swapper/323:35:363
302487291111,2phc2sys0-21swapper/321:23:313
302487291110,2phc2sys0-21swapper/323:55:243
302487291110,2phc2sys0-21swapper/323:00:173
302487291110,2phc2sys0-21swapper/320:31:403
302487291110,2phc2sys0-21swapper/320:15:173
302487291110,2phc2sys0-21swapper/319:24:363
302487291110,2phc2sys0-21swapper/319:10:183
302487291110,2phc2sys0-21swapper/300:01:243
302487291101,3phc2sys0-21swapper/322:30:233
302487291101,3phc2sys0-21swapper/321:55:293
302487291101,3phc2sys0-21swapper/319:35:013
302487291101,2phc2sys0-21swapper/322:35:203
302487291101,2phc2sys0-21swapper/322:22:023
302487291101,2phc2sys0-21swapper/321:35:213
302487291101,2phc2sys0-21swapper/321:05:233
302487291101,2phc2sys0-21swapper/320:55:253
302487291101,2phc2sys0-21swapper/320:35:173
302487291100,3phc2sys0-21swapper/321:15:013
302487291100,3phc2sys0-21swapper/320:40:223
302487291100,3phc2sys0-21swapper/319:35:183
302487291100,2phc2sys0-21swapper/323:13:113
302487291100,2phc2sys0-21swapper/323:06:103
302487291100,2phc2sys0-21swapper/322:16:093
302487291100,2phc2sys0-21swapper/320:50:163
302487291100,2phc2sys0-21swapper/320:20:223
302487291100,2phc2sys0-21swapper/320:06:483
30248729191,2phc2sys0-21swapper/320:25:433
30248729190,3phc2sys0-21swapper/320:10:253
30248729190,2phc2sys0-21swapper/323:20:093
30248729190,2phc2sys0-21swapper/320:45:193
30248729190,2phc2sys0-21swapper/320:00:153
30248729190,2phc2sys0-21swapper/319:44:553
30248729180,2phc2sys0-21swapper/319:55:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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