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2025-01-23 - 22:45
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackcslot4.osadl.org (updated Thu Jan 23, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4323882313185,104sleep10-21swapper/107:06:101
4323872269205,48sleep00-21swapper/007:06:090
48963421540,2sleep10-21swapper/109:18:361
43286099682,45cyclictest464197-21apt-get08:25:150
43286099663,42cyclictest586202-21apt-get11:35:130
43286099643,42cyclictest529468-21apt-get10:15:120
43286399633,40cyclictest553776-21apt-get10:50:091
43286099633,40cyclictest449766-40apt-check07:50:210
4535192610,4sleep0161rcuc/008:00:010
43286399602,38cyclictest614702-21apt-get12:15:151
43286099600,4cyclictest518978-21munin-run10:00:010
43286099593,33cyclictest571999-21apt-get11:15:140
43286099592,7cyclictest501051-21apt-get09:35:120
43286099590,3cyclictest478195-21apt-get09:00:120
43286399584,35cyclictest610856-21apt-get12:10:091
43286399584,35cyclictest610856-21apt-get12:10:091
43286099582,36cyclictest505023-21apt-get09:40:130
432860995812,27cyclictest602976-21sh11:57:340
432860995811,27cyclictest549878-21sh10:42:300
5235372570,4sleep1251rcuc/110:06:031
43286399572,34cyclictest618437-21apt-get12:20:121
43286399570,3cyclictest559662-21ssh10:57:011
432860995712,33cyclictest582178-21sh11:29:510
432860995612,26cyclictest861-21runrttasks12:04:170
43286099560,3cyclictest477718-21munin-run09:00:000
43286399543,33cyclictest625415-40apt-check12:30:201
43286399541,35cyclictest561567-40apt-check11:00:101
43286099548,26cyclictest578174-21sh11:22:200
43286399532,31cyclictest478236-40apt-check09:00:241
43286399531,34cyclictest590079-21apt-get11:40:141
43286099531,5cyclictest481941-21diskmemload09:31:360
43286099530,5cyclictest454928-21grep08:00:240
43286099530,4cyclictest490259-21rm09:19:480
43286399522,31cyclictest547485-21apt-get10:40:121
43286099528,28cyclictest610271-21sh12:09:160
43286099528,26cyclictest547149-21sh10:39:570
43286099522,5cyclictest557530-21apt-get10:55:140
432860995212,23cyclictest510683-21sh09:49:020
43286399510,7cyclictest475467-21taskset08:52:321
43286099518,24cyclictest472935-21sshd08:45:200
43286099511,6cyclictest466149-21apt-get08:30:160
43286099511,5cyclictest519233-21apt-get10:00:130
43286099510,6cyclictest495996-21ssh09:28:100
43286099510,10cyclictest527012-21ssh10:10:270
43286399509,28cyclictest505869-21ntp_states09:40:211
432863995010,28cyclictest527645-21sh10:11:501
432863995010,23cyclictest552066-21sh10:46:431
43286099501,5cyclictest481941-21diskmemload10:45:560
43286099497,24cyclictest0-21swapper/011:49:360
43286099492,4cyclictest445451-21apt-get07:40:120
43286099491,5cyclictest514712-21ssh09:54:260
43286099491,5cyclictest482605-21apt-get09:10:160
43286099491,5cyclictest481941-21diskmemload12:24:110
43286099491,5cyclictest480194-21apt-get09:05:120
43286099491,3cyclictest582495-21apt-get11:30:080
43286099491,10cyclictest541660-21ssh10:31:450
43286099490,8cyclictest612420-21ssh12:10:400
43286099490,8cyclictest612420-21ssh12:10:400
43286099490,8cyclictest570376-21ssh11:12:050
43286099490,7cyclictest624042-21ssh12:28:350
43286099490,7cyclictest564722-21ssh11:03:380
43286099490,7cyclictest523871-21ssh10:06:420
43286099490,4cyclictest492942-21seq09:22:060
43286399481,30cyclictest532586-21rm10:19:011
43286099485,6cyclictest440897-21seq07:26:540
43286099481,9cyclictest631149-21ssh12:36:460
43286099481,5cyclictest437505-21apt-get07:20:110
43286099481,4cyclictest591610-21ssh11:40:430
43286099481,3cyclictest616575-21ssh12:16:330
43286099480,9cyclictest599608-21ssh11:53:270
43286099480,7cyclictest567831-21ssh11:09:420
43286099471,5cyclictest473956-21/usr/sbin/munin08:50:330
43286099470,7cyclictest538461-21ssh10:27:520
43286099470,4cyclictest470068-21apt-get08:40:130
43286099470,4cyclictest470068-21apt-get08:40:120
43286399469,21cyclictest567241-21sh11:08:251
43286399461,6cyclictest481941-21diskmemload09:13:131
43286399460,5cyclictest861-21runrttasks08:37:131
43286399460,34cyclictest629186-21apt-get12:35:121
43286099461,6cyclictest456188-21expr08:05:160
43286099461,5cyclictest481941-21diskmemload12:35:010
43286099461,4cyclictest535148-21ssh10:21:090
43286099460,8cyclictest458759-21awk08:10:250
43286099460,8cyclictest437202-21taskset07:19:200
43286099460,6cyclictest555315-21ssh10:50:430
43286399452,19cyclictest533375-21apt-get10:20:121
43286099450,8cyclictest442572-21cat07:30:270
43286099450,7cyclictest468739-21cat08:35:180
43286399441,29cyclictest481941-21diskmemload09:22:511
43286399440,9cyclictest577452-21sh11:20:461
43286399440,9cyclictest545590-21sh10:36:481
43286399440,6cyclictest584575-21ssh11:31:591
43286399440,3cyclictest514209-21ssh09:53:271
43286099443,2cyclictest0-21swapper/008:21:270
43286099441,5cyclictest447399-21apt-get07:45:110
43286099440,8cyclictest461688-21apt-get08:20:000
43286399430,8cyclictest605803-21/usr/sbin/munin12:00:261
43286399430,3cyclictest609835-21ssh12:08:191
43286399430,2cyclictest497145-21sh09:30:171
43286099430,7cyclictest443923-21cat07:35:190
43286399428,24cyclictest0-21swapper/109:25:441
43286399426,19cyclictest0-21swapper/112:25:591
43286399421,8cyclictest587723-21ssh11:35:401
43286399421,3cyclictest461688-21apt-get08:20:071
43286399420,7cyclictest537237-21sh10:25:181
43286399420,3cyclictest449766-40apt-check07:50:091
43286399420,26cyclictest579895-21apt-config11:25:021
43286399411,5cyclictest481941-21diskmemload11:47:501
43286399411,3cyclictest539744-21/usr/sbin/munin10:30:101
43286399411,3cyclictest455468-21apt-get08:05:061
43286399410,8cyclictest520056-21ssh10:00:201
43286399410,4cyclictest509538-21ssh09:46:311
43286399410,3cyclictest442175-21ntp_states07:30:251
43286399401,5cyclictest481941-21diskmemload09:57:281
43286399401,4cyclictest603193-21ssh11:58:031
43286399401,4cyclictest568571-21perl11:10:121
43286399401,3cyclictest501279-21df_inode09:35:161
43286399401,3cyclictest481941-21diskmemload11:17:201
43286399400,3cyclictest596804-21apt11:50:061
43286399400,3cyclictest472785-21ntp_states08:45:201
43286399400,3cyclictest466922-21ntp_states08:30:241
43286399400,3cyclictest464969-21ntp_states08:25:231
43286399390,3cyclictest451965-21diskstats07:55:141
43286399381,3cyclictest457986-21cpu08:10:171
43286399380,8cyclictest477714-21python309:00:001
43286399380,3cyclictest460122-21df08:15:151
43286399380,3cyclictest438277-21ntpq07:20:201
43286399380,2cyclictest435493-21perl07:15:031
43286399380,2cyclictest433321-21perl07:10:171
43286399370,6cyclictest448168-21ntp_states07:45:211
43286399360,3cyclictest454490-21ntp_states08:00:201
43286399360,3cyclictest443671-21fschecks_time07:35:181
43286399350,4cyclictest440327-21ps07:25:231
43286399350,3cyclictest447214-21munin-run07:44:591
43286099348,24cyclictest433638-21missed_timers07:10:200
43286399330,3cyclictest481956-21munin-run09:10:001
43286399330,3cyclictest0-21swapper/108:40:201
43286399330,3cyclictest0-21swapper/108:40:201
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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