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2026-07-07 - 13:38
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Tue Jul 07, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243949321070,1sleep0491rcuog/223:04:340
230813921060,2sleep30-21swapper/321:34:513
23468812950,1sleep00-21swapper/021:59:490
25579272740,1sleep02557925-21ssh00:23:580
23942012660,1sleep12394200-21ssh22:31:491
21772342270,2sleep12176848-21apt-get19:50:021
2126057992713,8cyclictest0-21swapper/021:44:410
2126059992218,2cyclictest0-21swapper/200:15:012
212605999221,10cyclictest0-21swapper/221:20:022
2126057992219,2cyclictest2281821-21cron21:15:010
2126057992211,6cyclictest0-21swapper/021:55:000
2126059992118,1cyclictest0-21swapper/219:50:022
2126058992118,2cyclictest2467290-21sendmail23:20:001
2126058992114,3cyclictest765-1atopacctd22:45:021
2126057992118,2cyclictest2371180-21munin-run22:15:000
2126059992017,1cyclictest0-21swapper/220:15:012
2126058992013,3cyclictest2562962-21grep00:24:521
2126057992017,2cyclictest698-21in:imuxsock20:10:000
2126057992017,2cyclictest2526708-21munin-run00:00:010
2126057992017,2cyclictest2415529-21idleruntime-cro22:45:010
2126057992010,5cyclictest0-21swapper/023:34:490
492398190,2rtkit-daemon1246-21mta-sts-daemon21:07:380
2126059991917,1cyclictest0-21swapper/200:05:012
2126059991913,1cyclictest0-21swapper/220:34:502
2126058991917,1cyclictest2356180-21/usr/sbin/munin22:05:001
2126058991916,2cyclictest693-21systemd-logind19:45:011
212605799199,6cyclictest2580038-21switchtime00:39:500
212605799199,5cyclictest0-21swapper/022:35:020
212605799198,6cyclictest0-21swapper/022:21:550
2126057991917,1cyclictest2497132-21/usr/sbin/munin23:40:020
2126057991916,2cyclictest2140400-21cron19:20:010
2126057991916,2cyclictest1-21systemd23:15:020
2126057991911,7cyclictest0-21swapper/021:00:010
212605799190,3cyclictest2541820-21ssh00:10:070
3153791180,2phc2sys0-21swapper/323:19:543
3153791180,2phc2sys0-21swapper/323:12:533
3153791180,2phc2sys0-21swapper/321:59:543
2126059991815,1cyclictest0-21swapper/222:35:012
2126059991815,1cyclictest0-21swapper/221:10:302
2126059991815,1cyclictest0-21swapper/219:15:022
2126059991815,1cyclictest0-21swapper/200:40:022
2126058991815,2cyclictest693-21systemd-logind20:45:021
2126058991815,2cyclictest2519892-21runrttasks23:56:001
2126058991815,2cyclictest2126055-21cyclictest21:20:011
2126058991815,2cyclictest1-21systemd23:00:011
2126058991812,4cyclictest2132163-21/usr/sbin/munin19:15:011
212605799187,6cyclictest0-21swapper/023:49:410
2126057991815,2cyclictest2499072-21tr23:44:420
2126057991815,2cyclictest2469800-21uniq23:24:470
2126057991815,2cyclictest2176848-21apt-get19:50:020
2126057991812,4cyclictest1-21systemd21:50:010
2126057991811,6cyclictest1237-21mta-sts-daemon00:19:390
212605799181,16cyclictest0-21swapper/023:54:500
2126057991810,4cyclictest4922-21rtkit-daemon22:54:310
492398170,3rtkit-daemon675-21mta-sts-daemon23:24:431
212605999171,8cyclictest0-21swapper/221:50:022
2126059991715,1cyclictest0-21swapper/223:33:062
2126059991715,1cyclictest0-21swapper/223:00:032
2126059991714,1cyclictest0-21swapper/223:55:012
2126059991714,1cyclictest0-21swapper/223:43:022
2126059991714,1cyclictest0-21swapper/222:05:002
2126059991714,1cyclictest0-21swapper/221:30:022
2126059991714,1cyclictest0-21swapper/221:23:562
2126059991713,2cyclictest0-21swapper/221:54:512
2126059991713,2cyclictest0-21swapper/219:44:502
212605899179,3cyclictest0-21swapper/121:55:011
2126058991715,1cyclictest2256355-21cut20:55:021
2126058991714,2cyclictest765-1atopacctd23:39:491
2126058991714,2cyclictest660-21dbus-daemon22:00:011
2126058991714,2cyclictest2330526-21kthreadcore21:49:481
2126058991714,2cyclictest1247-21mta-sts-daemon21:14:471
2126058991713,3cyclictest2392346-21kthreadcore22:29:511
212605799178,5cyclictest0-21swapper/023:19:550
212605799178,2cyclictest0-21swapper/022:49:490
212605799177,6cyclictest2291627-21df_inode21:24:430
212605799174,7cyclictest2214614-21aten2.4-expect20:24:440
212605799172,9cyclictest2375159-21kthreadcore22:19:480
2126057991714,2cyclictest2533896-21grep00:04:550
2126057991714,2cyclictest2207519-21systemd-run20:15:000
2126057991714,2cyclictest2170798-21idleruntime-cro19:45:010
2126057991714,2cyclictest2158605-21cron19:35:010
2126057991714,2cyclictest0-21swapper/022:05:020
2126057991713,2cyclictest0-21swapper/021:30:030
2126057991711,4cyclictest1-21systemd22:30:010
2126057991711,4cyclictest1-21systemd00:35:010
212605799171,10cyclictest660-21dbus-daemon19:40:010
3153791160,2phc2sys0-21swapper/300:11:523
3153791160,2phc2sys0-21swapper/300:05:543
212605999161,9cyclictest0-21swapper/221:40:022
212605999161,8cyclictest0-21swapper/221:10:022
2126059991613,1cyclictest0-21swapper/223:39:462
2126059991613,1cyclictest0-21swapper/223:08:592
2126059991613,1cyclictest0-21swapper/223:08:592
2126059991613,1cyclictest0-21swapper/222:48:212
2126059991613,1cyclictest0-21swapper/222:40:022
2126059991613,1cyclictest0-21swapper/222:30:022
2126059991612,2cyclictest0-21swapper/200:15:342
212605999161,11cyclictest0-21swapper/221:00:022
212605899167,4cyclictest67250irq/126-eno122:09:121
2126058991614,1cyclictest2366627-21sort22:14:471
2126058991614,1cyclictest0-21swapper/122:40:021
2126058991613,2cyclictest660-21dbus-daemon22:55:011
2126058991613,2cyclictest2482215-21systemd-run23:30:011
2126058991613,2cyclictest2447670-21grep23:09:451
2126058991613,2cyclictest2447670-21grep23:09:451
2126058991613,2cyclictest2381061-21cut22:24:461
2126058991613,2cyclictest2140475-21systemd19:20:011
2126058991613,2cyclictest1247-21mta-sts-daemon23:33:201
2126058991613,2cyclictest0-21swapper/121:10:021
2126058991612,3cyclictest765-1atopacctd21:29:521
2126058991612,3cyclictest2553612-21kthreadcore00:19:481
212605799167,2cyclictest0-21swapper/021:39:440
212605799166,5cyclictest0-21swapper/022:39:440
2126057991613,2cyclictest2482043-21sh23:30:010
2126057991613,2cyclictest2133437-21kthreadcore19:15:030
2126057991613,2cyclictest0-21swapper/021:20:010
3153791150,3phc2sys0-21swapper/321:47:073
3153791150,2phc2sys0-21swapper/323:46:543
3153791150,2phc2sys0-21swapper/323:02:583
3153791150,2phc2sys0-21swapper/319:14:473
2126059991513,1cyclictest0-21swapper/223:15:022
2126059991513,1cyclictest0-21swapper/222:05:192
2126059991513,1cyclictest0-21swapper/220:24:492
2126059991513,1cyclictest0-21swapper/220:20:002
2126059991512,1cyclictest0-21swapper/223:58:222
2126059991512,1cyclictest0-21swapper/223:24:512
2126059991512,1cyclictest0-21swapper/223:16:202
2126059991512,1cyclictest0-21swapper/222:41:242
2126059991512,1cyclictest0-21swapper/222:24:472
2126059991512,1cyclictest0-21swapper/222:14:462
2126059991512,1cyclictest0-21swapper/221:43:522
2126059991512,1cyclictest0-21swapper/221:32:012
2126059991512,1cyclictest0-21swapper/220:09:512
212605899159,5cyclictest2213359-21systemctl20:19:541
212605899159,2cyclictest67250irq/126-eno123:14:501
2126058991513,1cyclictest2311163-21xargs21:34:581
2126058991512,2cyclictest698-21in:imuxsock19:52:311
2126058991512,2cyclictest2575481-21fschecks_count00:39:411
2126058991512,2cyclictest2528694-21aten_repower_fr00:04:431
2126058991512,2cyclictest2157955-21needreboot19:34:501
2126058991512,2cyclictest1242-21mta-sts-daemon21:23:131
2126058991512,2cyclictest0-21swapper/123:50:011
2126058991512,2cyclictest0-21swapper/100:09:491
2126058991511,3cyclictest2356850-21kworker/u16:0+nfsiod22:17:071
2126058991510,4cyclictest2126055-21cyclictest19:59:481
2126058991510,1cyclictest67250irq/126-eno121:35:481
212605799159,5cyclictest1242-21mta-sts-daemon20:44:510
212605799159,5cyclictest1237-21mta-sts-daemon00:25:260
212605799153,7cyclictest0-21swapper/000:06:160
212605799152,6cyclictest693-21systemd-logind20:35:020
2126057991512,2cyclictest2238283-21cut20:40:020
2126057991512,2cyclictest0-21swapper/021:05:010
2126057991510,2cyclictest1242-21mta-sts-daemon23:06:170
2126057991510,2cyclictest1242-21mta-sts-daemon23:06:170
2126057991510,2cyclictest1242-21mta-sts-daemon21:25:120
3153791140,4phc2sys0-21swapper/322:34:403
3153791140,3phc2sys0-21swapper/321:38:453
3153791140,2phc2sys0-21swapper/323:38:583
3153791140,2phc2sys0-21swapper/323:23:313
3153791140,2phc2sys0-21swapper/322:50:183
3153791140,2phc2sys0-21swapper/321:53:453
3153791140,2phc2sys0-21swapper/321:21:393
3153791140,2phc2sys0-21swapper/300:30:213
23637152140,1sleep00-21swapper/022:09:560
2126059991412,1cyclictest0-21swapper/223:46:192
2126059991412,1cyclictest0-21swapper/223:25:172
2126059991411,1cyclictest0-21swapper/221:57:432
2126059991411,1cyclictest0-21swapper/221:04:502
2126059991411,1cyclictest0-21swapper/220:04:432
2126059991411,1cyclictest0-21swapper/219:58:512
2126059991411,1cyclictest0-21swapper/219:54:502
2126059991411,1cyclictest0-21swapper/219:29:522
2126059991411,1cyclictest0-21swapper/200:31:022
2126059991411,1cyclictest0-21swapper/200:24:512
2126059991411,1cyclictest0-21swapper/200:09:432
2126059991410,2cyclictest0-21swapper/200:25:172
212605899149,4cyclictest1247-21mta-sts-daemon23:54:541
212605899149,2cyclictest1237-21mta-sts-daemon21:40:251
212605899143,5cyclictest2250151-21awk20:50:001
212605899141,4cyclictest1246-21mta-sts-daemon00:11:211
2126058991411,2cyclictest3937-21cron20:35:001
2126058991411,2cyclictest2441919-21kthreadcore23:04:491
2126058991411,2cyclictest2198292-21kthreadcore20:09:471
2126058991411,2cyclictest2160600-21kthreadcore19:39:481
2126058991411,2cyclictest1242-21mta-sts-daemon23:42:451
2126058991411,2cyclictest1-21systemd19:23:561
2126058991410,3cyclictest2418738-21kthreadcore22:49:481
2126058991410,3cyclictest2260809-21kthreadcore20:59:501
2126058991410,3cyclictest2215548-21irqcore20:24:481
2126058991410,1cyclictest2563745-21kworker/1:1+events_freezable00:27:341
2126057991413,1cyclictest0-21swapper/019:24:310
2126057991411,2cyclictest2252120-21kthreadcore20:54:490
2126057991411,2cyclictest2208372-21/usr/sbin/munin20:19:520
2126057991411,2cyclictest1242-21mta-sts-daemon23:00:030
2126057991411,2cyclictest1-21systemd20:01:380
2126057991410,2cyclictest0-21swapper/019:55:010
3153791133,2phc2sys0-21swapper/321:16:533
3153791130,3phc2sys0-21swapper/322:39:413
3153791130,2phc2sys0-21swapper/322:59:453
3153791130,2phc2sys0-21swapper/322:43:183
3153791130,2phc2sys0-21swapper/300:35:293
3153791130,1phc2sys0-21swapper/322:29:033
3153791130,1phc2sys0-21swapper/320:38:273
2126059991311,1cyclictest0-21swapper/222:15:142
2126059991311,1cyclictest0-21swapper/219:39:212
2126059991310,1cyclictest0-21swapper/220:54:462
2126059991310,1cyclictest0-21swapper/220:29:432
212605999130,9cyclictest0-21swapper/223:04:412
212605899139,3cyclictest2264245-21kthreadcore21:04:481
212605899139,3cyclictest2232749-21aten_repower_fr20:39:421
2126058991311,1cyclictest1246-21mta-sts-daemon00:30:391
2126058991310,2cyclictest2203377-21kthreadcore20:14:471
2126058991310,2cyclictest2189964-21aten_repower_cu20:04:411
212605799138,4cyclictest1242-21mta-sts-daemon20:46:420
2126057991310,2cyclictest2220601-21aten_repower_en20:29:410
2126057991310,2cyclictest2149280-21kthreadcore19:29:480
2126057991310,2cyclictest2126055-21cyclictest19:59:500
3153791120,2phc2sys0-21swapper/323:50:523
3153791120,2phc2sys0-21swapper/321:01:223
3153791120,2phc2sys0-21swapper/320:26:293
3153791120,2phc2sys0-21swapper/300:18:463
3153791120,1phc2sys0-21swapper/323:28:083
3153791120,1phc2sys0-21swapper/321:41:223
3153791120,1phc2sys0-21swapper/319:46:003
3153791120,1phc2sys0-21swapper/319:33:023
212605999129,1cyclictest0-21swapper/219:34:492
2126059991210,1cyclictest0-21swapper/222:51:152
2126059991210,1cyclictest0-21swapper/220:44:492
2126059991210,1cyclictest0-21swapper/220:39:422
2126059991210,1cyclictest0-21swapper/219:24:492
2126059991210,1cyclictest0-21swapper/219:19:492
212605899127,4cyclictest2148465-21cut19:29:481
212605899122,2cyclictest491rcuog/220:29:411
3153791111,2phc2sys0-21swapper/321:29:123
3153791111,2phc2sys0-21swapper/320:09:533
3153791110,3phc2sys0-21swapper/320:11:273
3153791110,2phc2sys0-21swapper/322:46:513
3153791110,2phc2sys0-21swapper/322:24:433
3153791110,2phc2sys0-21swapper/322:12:283
3153791110,2phc2sys0-21swapper/322:09:443
3153791110,2phc2sys0-21swapper/321:14:413
3153791110,2phc2sys0-21swapper/320:59:423
3153791110,2phc2sys0-21swapper/319:52:093
3153791110,1phc2sys0-21swapper/323:31:443
3153791110,1phc2sys0-21swapper/320:33:173
3153791110,1phc2sys0-21swapper/320:15:223
3153791110,1phc2sys0-21swapper/319:38:263
212605999119,1cyclictest0-21swapper/220:49:502
212605999119,1cyclictest0-21swapper/219:10:012
212605899111,3cyclictest2125897-21latency_hist19:10:031
212605799118,2cyclictest0-21swapper/019:10:010
3153791101,2phc2sys0-21swapper/320:49:453
3153791101,2phc2sys0-21swapper/300:04:513
3153791100,3phc2sys0-21swapper/321:09:563
3153791100,2phc2sys0-21swapper/323:59:343
3153791100,2phc2sys0-21swapper/323:42:193
3153791100,2phc2sys0-21swapper/323:06:563
3153791100,2phc2sys0-21swapper/323:06:563
3153791100,2phc2sys0-21swapper/322:18:213
3153791100,2phc2sys0-21swapper/322:01:103
3153791100,2phc2sys0-21swapper/320:04:443
3153791100,2phc2sys0-21swapper/319:29:503
3153791100,2phc2sys0-21swapper/319:19:483
3153791100,2phc2sys0-21swapper/300:20:263
3153791100,1phc2sys0-21swapper/300:28:193
315379190,2phc2sys0-21swapper/320:54:453
315379190,2phc2sys0-21swapper/320:23:203
315379190,2phc2sys0-21swapper/319:44:323
315379190,2phc2sys0-21swapper/319:10:023
315379190,1phc2sys0-21swapper/320:40:153
315379180,2phc2sys0-21swapper/319:58:353
315379180,2phc2sys0-21swapper/319:20:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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