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2026-04-29 - 04:35
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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 376 highest latencies:
System rackeslot8.osadl.org (updated Wed Apr 29, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41332652660,64sleep04119851-21kworker/u16:1+efi_rts_wq20:00:130
4064886992825,1cyclictest0-21swapper/322:55:013
4064886992623,1cyclictest0-21swapper/323:24:593
4064886992522,1cyclictest0-21swapper/322:40:013
4064886992522,1cyclictest0-21swapper/320:20:003
4064886992420,1cyclictest0-21swapper/320:05:343
4064886992320,1cyclictest0-21swapper/323:04:593
406488699222,15cyclictest185005-21taskset22:49:223
4064886992219,1cyclictest0-21swapper/323:40:003
4064886992219,1cyclictest0-21swapper/321:10:273
4064886992219,1cyclictest0-21swapper/319:59:393
410016022112,2sleep1737-21NetworkManager19:31:441
4064886992119,1cyclictest0-21swapper/322:40:183
4064886992118,1cyclictest0-21swapper/323:55:263
4064886992118,1cyclictest0-21swapper/319:40:003
406488699202,14cyclictest106511-21taskset21:57:253
4064886992017,1cyclictest0-21swapper/322:55:233
4064886992017,1cyclictest0-21swapper/321:00:263
4064886992016,1cyclictest0-21swapper/322:10:203
406488699201,15cyclictest254642-21taskset23:33:283
406488699201,14cyclictest245885-21taskset23:25:343
406488699199,7cyclictest3163392sleep300:11:293
406488699197,9cyclictest4178264-21turbostat20:35:003
4064886991916,1cyclictest0-21swapper/322:25:003
4064886991916,1cyclictest0-21swapper/322:00:253
4064886991916,1cyclictest0-21swapper/320:40:023
406488699191,14cyclictest54795-21taskset21:25:183
406488699191,14cyclictest308028-21taskset00:05:273
406488699191,14cyclictest153212-21taskset22:27:203
406488699191,13cyclictest224115-21turbostat23:14:593
406488699189,6cyclictest40710292sleep319:11:583
406488699188,7cyclictest2712602sleep323:45:153
406488699188,7cyclictest1216692sleep322:06:083
406488699182,12cyclictest4120191-21chrt19:50:133
4064886991816,1cyclictest0-21swapper/320:10:273
4064886991816,1cyclictest0-21swapper/320:10:263
4064886991815,1cyclictest0-21swapper/321:40:033
4064886991815,1cyclictest0-21swapper/320:55:213
4064886991815,1cyclictest0-21swapper/300:39:563
406488699181,14cyclictest331002-21taskset00:20:223
406488699181,13cyclictest4100432-21taskset19:33:303
406488699181,13cyclictest4086641-21taskset19:25:073
406488699181,13cyclictest339302-21taskset00:25:283
406488699181,13cyclictest269552-21taskset23:41:303
999332171,2sleep20-21swapper/221:55:132
995652171,13sleep199615-21sh21:55:011
406488699172,12cyclictest155383-21taskset22:30:173
4064886991715,1cyclictest0-21swapper/322:20:003
4064886991715,1cyclictest0-21swapper/320:35:163
4064886991714,1cyclictest0-21swapper/323:50:153
4064886991714,1cyclictest0-21swapper/321:50:183
4064886991714,1cyclictest0-21swapper/320:20:193
406488699171,13cyclictest9920-21taskset20:50:383
406488699171,13cyclictest75290-21taskset21:37:013
406488699171,13cyclictest66444-21taskset21:30:233
406488699171,13cyclictest51628-21taskset21:20:573
406488699171,13cyclictest43498-21taskset21:15:293
406488699171,13cyclictest4139347-21taskset20:04:403
406488699171,13cyclictest4113188-21taskset19:41:393
406488699171,13cyclictest301578-21taskset00:04:043
406488699171,12cyclictest4165626-21chrt20:25:133
406488699171,12cyclictest4119555-21taskset19:45:443
406488699171,12cyclictest323780-21taskset00:15:333
406488699171,12cyclictest224386-21taskset23:15:073
406488699170,13cyclictest208839-21taskset23:05:023
4064886991613,1cyclictest0-21swapper/320:45:163
406488699161,12cyclictest90516-21taskset21:46:033
406488699161,12cyclictest4086044-21taskset19:20:433
406488699161,12cyclictest4079540-21taskset19:15:293
406488699161,12cyclictest346222-21taskset00:30:203
406488699161,12cyclictest23422-21taskset21:05:023
41459092151,11sleep14146087-21latency_hist20:10:001
3489342151,11sleep1348899-21/usr/sbin/munin00:35:131
3463842151,10sleep0346429-21ssh00:30:220
887992141,2sleep20-21swapper/221:45:192
1597902140,5sleep1159836-21ssh22:30:241
1545752141,9sleep0154659-21/usr/sbin/munin22:30:150
1544602141,2sleep2171rcu_preempt22:30:132
129998140,9rtkit-daemon139043-21diskstats22:20:140
129998140,7rtkit-daemon703-21mta-sts-daemon00:22:061
40826512120,5sleep24084468-21kthreadcore19:20:182
4064886991210,1cyclictest0-21swapper/319:10:013
2944872121,7sleep1294495-21ssh00:00:131
2389522121,1sleep20-21swapper/223:23:062
1838462121,8sleep1183850-21ssh22:45:511
1780272120,4sleep0178145-21fw_packets22:45:140
129998120,8rtkit-daemon4158110-21cat20:15:242
129998120,4rtkit-daemon703-21mta-sts-daemon21:04:192
129998120,4rtkit-daemon60112-21ssh21:27:592
129998120,3rtkit-daemon703-21mta-sts-daemon19:11:590
633612111,8sleep265048-21kthreadcore21:30:202
41072932110,7sleep14107412-21cut19:40:141
41008212112,5sleep24100854-21apt-get19:35:132
368382110,8sleep036844-21ssh21:13:140
3544682111,7sleep2354589-21timerandwakeup00:35:272
3485812111,7sleep10-21swapper/100:35:011
3202782113,6sleep1322003-21cut00:15:211
2686812111,6sleep2268724-21ntp_states23:40:262
2632462110,8sleep1263252-21ssh23:40:081
2296622110,8sleep0229718-21ntpq23:15:210
2246062110,8sleep1224660-21cut23:15:141
1857832111,7sleep1185994-21ssh22:50:171
1372802110,1sleep10-21swapper/122:16:221
129998110,8rtkit-daemon903636-21gmain23:03:340
129998110,7rtkit-daemon726-21systemd-logind23:08:330
129998110,6rtkit-daemon32270-21kthreadcore21:10:192
129998110,6rtkit-daemon250053-21kthreadcore23:30:170
129998110,3rtkit-daemon222-21plymouthd19:31:570
129998110,3rtkit-daemon222-21plymouthd00:10:011
829542100,7sleep182960-21ssh21:41:421
817722100,7sleep281916-21ntpq21:40:222
756582100,1sleep20-21swapper/221:38:092
41902432101,5sleep14190287-21ntpq20:40:231
41850262101,6sleep00-21swapper/020:40:140
41837112100,1sleep00-21swapper/020:35:220
41805682100,7sleep14182332-21cut20:35:191
41144322100,6sleep24115293-21kthreadcore19:45:172
41137152101,5sleep14113748-21apt-get19:45:121
3402002100,7sleep2340206-21ssh00:28:132
2841752101,6sleep1284215-21ssh23:50:221
2098842102,5sleep299017-21kworker/u16:4+nfsiod23:05:172
1933832102,4sleep0222-21plymouthd22:55:130
1451712100,7sleep1145173-21ssh22:21:381
129998100,6rtkit-daemon4092937-21sed19:30:020
129998100,6rtkit-daemon2195379-21ntpd00:09:501
129998100,6rtkit-daemon113089-21ntpq22:00:220
129998100,5rtkit-daemon4125637-21/usr/sbin/munin19:50:260
129998100,5rtkit-daemon4109993-21kthreadcore19:40:180
129998100,5rtkit-daemon131247-21df22:15:150
129998100,4rtkit-daemon4086389-21unix_chkpwd19:25:000
129998100,3rtkit-daemon222-21plymouthd22:08:040
129998100,3rtkit-daemon222-21plymouthd20:03:342
1285452101,6sleep0128592-21collect222:10:220
1022222100,1sleep00-21swapper/021:55:180
98509290,1sleep20-21swapper/221:51:492
58958292,4sleep059235-21head21:25:280
52989290,6sleep053195-21cut21:25:010
45539291,4sleep145572-21apt-get21:20:131
4182333291,5sleep24183592-21/usr/sbin/munin20:35:202
4177297291,4sleep24177333-21ntpq20:30:222
4144754291,5sleep24144881-21ld20:05:212
4112520291,4sleep24112563-21ntpq19:40:232
4067288290,6sleep24069052-21kthreadcore19:10:212
3777290,5sleep03778-21cron20:50:000
338960291,5sleep1339138-21ls00:25:271
317400290,2sleep0222-21plymouthd00:14:390
278084290,2sleep00-21swapper/023:48:530
240401290,6sleep2241229-21cut23:25:182
167600291,5sleep0167633-21ntpq22:35:240
12999890,5rtkit-daemon903636-21gmain23:40:160
12999890,5rtkit-daemon703-21mta-sts-daemon23:12:490
12999890,5rtkit-daemon44446-21ssh21:17:462
12999890,5rtkit-daemon29628-21diskmemload21:33:310
12999890,5rtkit-daemon176884-21ssh22:43:132
12999890,4rtkit-daemon222-21plymouthd21:47:500
12999890,4rtkit-daemon222-21plymouthd21:05:232
12999890,2rtkit-daemon192442-21ssh22:53:202
105305290,6sleep1105344-21ntpq21:55:241
9332281,4sleep29372-21ntpq20:50:222
9291281,4sleep19330-21ntpq20:50:211
43190281,4sleep143316-21python321:15:271
4191447280,2sleep2222-21plymouthd20:45:102
4171611280,2sleep10-21swapper/120:27:491
4171572280,1sleep20-21swapper/220:27:172
4170846281,4sleep04170889-21ntpq20:25:240
4123804281,4sleep14120155-21/usr/sbin/munin19:50:201
4120166281,3sleep24120188-21apt-get19:50:132
4100290280,4sleep2222-21plymouthd19:31:532
4074140281,4sleep14074947-21irqrtprio19:15:161
4071057280,2sleep10-21swapper/119:12:191
348898282,3sleep0348931-21apt-get00:35:120
346492281,3sleep2346533-21ntpq00:30:242
324945281,4sleep2222-21plymouthd00:19:032
323116281,4sleep0323163-21ntpq00:15:240
302278282,3sleep0302272-21apt-get00:05:140
289040280,5sleep0289736-21kthreadcore23:55:190
262432280,1sleep10-21swapper/123:38:321
216680281,3sleep1216715-21apt-get23:10:141
208935281,3sleep1208932-21apt-get23:05:121
200706280,5sleep2200712-21ssh22:59:482
199747280,2sleep1222-21plymouthd22:56:581
169970281,3sleep0170007-21apt-get22:40:130
16704280,1sleep00-21swapper/020:59:580
136497281,5sleep229628-21diskmemload22:15:262
12999880,5rtkit-daemon1000-21snmpd22:37:471
12999880,4rtkit-daemon876-21gmain19:07:090
12999880,4rtkit-daemon703-21mta-sts-daemon23:55:581
12999880,4rtkit-daemon703-21mta-sts-daemon23:23:260
12999880,4rtkit-daemon703-21mta-sts-daemon20:55:562
12999880,4rtkit-daemon703-21mta-sts-daemon19:45:200
12999880,4rtkit-daemon565-21rpcbind21:41:560
12999880,4rtkit-daemon4071489-21munin-node23:50:070
12999880,4rtkit-daemon4071489-21munin-node19:55:332
12999880,4rtkit-daemon29321-21kworker/u16:0+rpciod22:47:262
12999880,4rtkit-daemon245369-21ntpq23:25:270
12999880,4rtkit-daemon1-21systemd21:35:330
12999880,4rtkit-daemon1-21systemd20:22:062
12999880,4rtkit-daemon1-21systemd19:17:540
12999880,4rtkit-daemon1000-21snmpd22:29:020
12999880,4rtkit-daemon1000-21snmpd21:54:560
12999880,4rtkit-daemon1000-21snmpd19:35:140
12999880,3rtkit-daemon51387-21grep21:20:272
12999880,3rtkit-daemon1-21systemd20:12:012
12999880,3rtkit-daemon1-21systemd20:12:012
126852281,4sleep1128145-21ssh22:10:191
109141280,5sleep10-21swapper/122:00:171
9979270,3sleep0222-21plymouthd20:51:240
53343270,3sleep1222-21plymouthd21:25:131
4178076270,1sleep10-21swapper/120:32:571
4151433271,3sleep04151477-21ntpq20:10:240
4151433271,3sleep04151477-21ntpq20:10:230
4139170271,3sleep1222-21plymouthd20:02:231
4087291271,3sleep14088146-21kthreadcore19:25:191
4086084270,1sleep10-21swapper/119:21:131
4064543270,3sleep2222-21plymouthd19:07:472
4064477270,1sleep10-21swapper/119:06:541
307820270,4sleep2308026-21grep00:05:272
299781270,4sleep0299824-21ntpq00:00:240
29950271,3sleep129982-21apt-get21:10:141
278784270,3sleep2278816-21apt-get23:50:122
276953270,5sleep20-21swapper/223:45:302
272019270,4sleep1272895-21cut23:45:171
262343270,4sleep2262349-21ssh23:38:172
253268270,4sleep1253407-21sed23:30:271
250734271,3sleep2252577-21kthreadcore23:30:202
245222271,3sleep10-21swapper/123:25:251
239329270,1sleep10-21swapper/123:24:091
223883271,3sleep2222-21plymouthd23:14:192
192931270,1sleep00-21swapper/022:54:460
16982270,5sleep016767-21sendmail-msp21:00:030
152662270,4sleep1152668-21ssh22:25:441
139042271,3sleep20-21swapper/222:20:152
12999870,4rtkit-daemon1000-21snmpd20:40:352
12999870,3rtkit-daemon222-21plymouthd23:35:120
12999870,3rtkit-daemon222-21plymouthd22:39:262
91814260,3sleep191820-21ssh21:49:591
67736260,1sleep10-21swapper/121:32:401
43829260,1sleep00-21swapper/021:15:580
4172448261,3sleep04172587-21irqcore20:30:160
4160123260,4sleep04161181-21cat20:20:170
4157887261,3sleep04157927-21ntpq20:15:210
4146200261,2sleep14146208-21apt-get20:10:121
4146200261,2sleep14146208-21apt-get20:10:121
4145681260,1sleep00-21swapper/020:07:030
4126713261,2sleep10-21swapper/119:55:141
4126677261,2sleep04126710-21apt-get19:55:120
4106862260,3sleep10-21swapper/119:38:421
4071265260,3sleep24071542-21users19:15:012
3444261,2sleep1222-21plymouthd20:45:451
326148260,3sleep0326660-21ps00:20:160
310030260,3sleep2222-21plymouthd00:10:122
29335260,3sleep1222-21plymouthd21:06:251
29254260,1sleep00-21swapper/021:05:320
286650260,3sleep2222-21plymouthd23:55:122
224406260,4sleep20-21swapper/223:15:112
208137261,3sleep2208141-21ssh23:03:412
203857261,2sleep1205710-21kthreadcore23:00:201
175177260,3sleep1175292-21ntpq22:40:221
146851260,1sleep2147052-21ssh22:25:172
12999860,3rtkit-daemon903636-21gmain21:37:371
115487260,1sleep2115493-21ssh22:05:112
115393260,3sleep1115399-21ssh22:05:021
114708260,4sleep20-21swapper/222:03:442
4165085250,2sleep1222-21plymouthd20:21:591
4158651250,2sleep1222-21plymouthd20:17:181
4088147250,2sleep20-21swapper/219:25:192
334144250,2sleep0222-21plymouthd00:25:170
327712250,3sleep2329406-21kthreadcore00:20:182
300443250,2sleep2222-21plymouthd00:00:382
22814250,2sleep1222-21plymouthd21:00:311
130114250,2sleep20-21swapper/222:13:172
10566250,2sleep10-21swapper/120:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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