---
layout: default
title: usr/share/doc/sysbox/html/tool/task.html
---
Sysbox: task
Sysbox: task
Usage: task [OPTION]...Print task (aka. process) list. In many cases just dump all the runinng tasks will help to find out what is the problem.
By default only the most important columns are displayed. The -n option is handy, and always used by the developers.
Options:
- -a, --all-common
Show all commonly used columns. - -A, --all
Show all columns. - -c, --crtick
Show task creation tick. - -g, --group
Show group handles. - -G, --pgid
Show PGID. - -h, --handles
Show number of handles in the footer. - -l, --slabstat
Show per-task slab statistics. - -L, --stlegend
Show task state legend in the footer. - -n, --name
Show symbolic names (process names). - -m, --mainmem
Show main memory chunk info. - -p, --pfnum
Show page fault counts. - -P, --parent
Show parent (or creator) task handle. - -R, --isrtime
Show isr execution time. * - -s, --state
Show task states. - -S, --style STYLE
Specify the output table style. STYLE must be one of the following: raw, simple, fancy, fancyw. Default is simple. - -t, --exetime
Show execution time. * - -T, --accumtime
Show accumulated time. * - -u, --uptime
Show uptime in the footer. - -U, --giduid
Show user and group IDs. - -v, --virt
Show total virtual allocation. - -w, --hwid
Show hardware process IDs. - -y, --syscall
Show number of system calls initiated. - -Y, --systime
Show time spent in the kernel (aka. system time). *
Columns:
- Handle
Master handle of the task. An extra caret character (^) indicates elevated (or super) task. - Group
Master handle of the group that the task in. - Parent
Master handle of the parent (creator) task. - Pri
Priority of the task. Ranges from 0 to 31 (inclusive). - HWID
Hardware process identifier. - GID
Group ID associated to the task. - UID
User ID associated to the task. - St
Task state. - Th
Number of threads created in the task. - Sl_u
Number of currently allocated slabs. This number is correlate to number of kernel objects. - Sl_p
Peak value of the Sl_u. - Mo
Number of memory objects created in the task. - Alloc
Amount of physically allocated memory by the task. - Reserved
Amount of reserved memory by the task. This value indicates that the task can physically allocate at most this amount of memory. This value may change over time. - Virtual
Amount of virtual space allocated by the task. Note that, all shared spaces are included here, as well as unused virtual spaces. - ExeTime
Total time spent by the task. - IsrTime
Time spent in ISRs. - SysTime
Time spent in the kernel. - AccumTime
Total (accumulated) time spent by the task, including ExeTime, IsrTime and SysTime. - SysCalls
Number of system calls initiated. - PF
Total number of page faults caused by the task. - CrTick
The kernel tick when the task was created. - Name
Symbolic name of the task. Read from the registry.
- running
The task is currently running. - ready
The task is ready to run. The scheduler will eventually select this task. - blocked
The task is blocked due to an empty message port or semaphore. Can be delayed as well. - deleted
The task is deleted (will not be scheduled anymore), the kernel is currently freeing its resources. - zombie
The task will not be scheduled anymore, but its resoures are still available.
Examples:
$ task -n
Handle Pri Th Sl_u Sl_p Mo Alloc Reserved Name
0x0000000001000008^ 0 1 3 6 0 0k 0k
0x0000000001000019^ 31 1 653 895 88 624k 640k registry
0x000000000300001C^ 31 1 174 225 21 280k 300k sysvc
0x0000000004000020^ 31 1 45 49 9 168k 168k loadersvc
0x000000000500007B^ 31 1 271 507 98 844k 872k bufgroup
0x00000000030000B9^ 24 1 38 42 8 164k 176k early_serial
0x00000000050000F0^ 30 1 91 91 20 2300k 2408k syslog
0x0000000005000128^ 22 1 305 321 100 2520k 2564k libsvc
0x0000000009000165^ 8 0 30 35 7 140k 140k bootparam
0x000000000D0001CB^ 24 1 76 88 24 1896k 1916k acpi
0x0000000007000206^ 24 1 185 347 44 548k 572k pcser
0x000000000600020F^ 24 1 89 89 16 332k 364k pcser
0x0000000004000371^ 22 1 141 141 28 304k 13764k dbgtracesvc
0x00000000040003C2^ 23 1 72 72 12 300k 300k ps2
0x0000000006000409^ 22 1 137 191 28 600k 628k terminal
0x0000000004000472^ 24 1 40 44 9 208k 208k cmosrtc
0x00000000060004E4^ 26 1 198 316 17 824k 884k devman
0x00000000020005AA 23 1 160 278 17 1148k 1208k ext2
0x00000000040005FD 28 1 58 72 12 236k 284k partsvc
0x000000000500060D 22 1 43 44 9 136k 164k errorwatch
0x0000000003000691 23 1 158 276 16 632k 700k bootfs
0x00000000040006E2 25 1 396 412 55 4520k 4652k tcpip
0x000000000700073A 23 1 197 409 39 23132k 23204k tmpfs
0x000000000C00078A^ 26 1 46 49 11 172k 212k adminsvc
0x00000000110007D6 23 1 97 109 23 632k 712k ptysvc
0x0000000012000819 23 1 148 266 13 544k 600k ffs
0x0000000007000876 23 1 146 264 13 692k 748k fat32
0x0000000004000521^ 27 1 99 111 18 336k 364k pci
0x0000000006000084^ 21 1 65 65 14 248k 312k piix
0x0000000002000977^ 28 1 163 173 38 2872k 2960k idebm
0x0000000002000A26^ 22 1 442 698 48 5088k 5144k vfs
0x000000000E000585^ 30 1 124 242 9 148k 176k regpers
0x000000001A000DB1 10 1 132 250 10 304k 336k sh
0x0000000012000DC3 10 1 131 249 10 304k 336k sh
0x0000000016000DD7 21 1 130 248 9 172k 200k telnetd
0x000000000C001026 21 1 125 243 9 248k 276k ftpd
0x00000000110011E4 21 17 297 415 42 324k 1056k httpd
0x00000000130012A6^ 28 1 174 292 24 1540k 1604k e1000
0x00000000E00001D4 10 1 130 130 10 216k 352k task
Total 54 6015 10081 978 55696k 71504k
Free 955372k
39 tasks.
$ task -a
Handle Group Pri ID St Th Sl_u Sl_p Mo Alloc Reserved Virtual ExeTime SysCalls PF Name
0x0000000001000008^ 0x0000000001000001 0 0001 R 1 3 6 0 0k 0k 0k 182768988255807 7126895 0
0x0000000001000019^ 0x0000000001000001 31 0003 B 1 653 895 88 624k 640k 640k 10261329063 2956655 3328 registry
0x000000000300001C^ 0x0000000001000001 31 0004 B 1 190 225 23 288k 308k 316k 402510399 175646 123 sysvc
0x0000000004000020^ 0x0000000001000001 31 0005 B 1 45 49 9 168k 168k 176k 3279164 4278 306 loadersvc
0x000000000500007B^ 0x0000000001000001 31 0006 B 1 271 507 98 844k 872k 880k 382228301 274746 17620 bufgroup
0x00000000030000B9^ 0x0000000001000001 24 0007 B 1 38 42 8 164k 176k 184k 7225558033 1955432 46 early_serial
0x00000000050000F0^ 0x0000000001000001 30 0008 B 1 91 91 20 2300k 2408k 2416k 4265126 1108 580 syslog
0x0000000005000128^ 0x0000000001000001 22 0009 B 1 305 321 100 2520k 2564k 2580k 134785309 35052 1084 libsvc
0x0000000009000165^ 0x0000000001000001 8 000E B 0 30 35 7 140k 140k 108k 186723 89 49 bootparam
0x000000000D0001CB^ 0x0000000001000001 24 0015 B 1 76 88 24 1896k 1916k 2244k 361066744 66454 498 acpi
0x0000000007000206^ 0x0000000001000001 24 0016 B 1 185 347 44 548k 572k 856k 20121880142 233224 5702 pcser
0x000000000600020F^ 0x0000000001000001 24 0017 B 1 89 89 16 332k 364k 648k 520733167 66972 79 pcser
0x0000000004000371^ 0x0000000001000001 22 0018 B 1 141 141 28 304k 13764k 13780k 59638436195 30912484 85 dbgtracesvc
0x00000000040003C2^ 0x0000000001000001 23 0019 B 1 72 72 12 300k 300k 2648k 486899692 66032 88 ps2
0x0000000006000409^ 0x0000000001000001 22 001A B 1 137 191 28 600k 628k 1092k 378946931 67915 344 terminal
0x0000000004000472^ 0x0000000001000001 24 001B B 1 40 44 9 208k 208k 216k 19124550686 1206160 56 cmosrtc
0x00000000060004E4^ 0x0000000001000001 26 001D B 1 198 316 17 824k 884k 1596k 2976445634 1133003 7362 devman
0x00000000020005AA 0x0000000002000566 23 001E B 1 160 278 17 1148k 1208k 4044k 5331428387 2290215 8244 ext2
0x00000000040005FD 0x0000000002000566 28 0020 B 1 58 72 12 236k 284k 460k 372167941 65912 86 partsvc
0x000000000500060D 0x0000000002000566 22 0022 B 1 43 44 9 136k 164k 332k 201588 129 54 errorwatch
0x0000000003000691 0x0000000002000566 23 0023 B 1 158 276 16 632k 700k 1536k 4854244287 1097584 217 bootfs
0x00000000040006E2 0x0000000002000566 25 0025 B 1 396 412 55 4520k 4652k 5376k 66483170930 18374946 1275 tcpip
0x000000000700073A 0x0000000002000566 23 002A B 1 197 409 39 23132k 23204k 23956k 2240114564 2257601 84939 tmpfs
0x000000000C00078A^ 0x0000000002000566 26 002E B 1 46 49 11 172k 212k 356k 666463921 130915 60 adminsvc
0x00000000110007D6 0x0000000002000566 23 0037 B 1 97 109 23 632k 712k 864k 2072249423 328103 183 ptysvc
0x0000000012000819 0x0000000002000566 23 0039 B 1 148 266 13 544k 600k 1352k 2008908653 261304 163 ffs
0x0000000007000876 0x0000000002000566 23 003B B 1 146 264 13 692k 748k 1500k 761098437 130980 200 fat32
0x0000000004000521^ 0x0000000001000001 27 003D B 1 99 111 18 336k 364k 1688k 370948779 66157 109 pci
0x0000000006000084^ 0x0000000002000566 21 003E B 1 65 65 14 248k 312k 2520k 273289338 65873 89 piix
0x0000000002000977^ 0x0000000002000566 28 003F B 1 163 173 38 2872k 2960k 3396k 173616805593 809776 751 idebm
0x0000000002000A26^ 0x0000000002000566 22 0041 B 1 442 698 48 5088k 5144k 6388k 11120992021 11655982 15243 vfs
0x000000000E000585^ 0x0000000002000566 30 004B B 1 124 242 9 148k 176k 936k 658057 343 73 regpers
0x000000001A000DB1 0x0000000002000566 10 005C B 1 132 250 10 304k 336k 1092k 86369666 23402 512 sh
0x0000000012000DC3 0x0000000002000566 10 005D B 1 131 249 10 304k 336k 1092k 1225039 766 128 sh
0x0000000016000DD7 0x0000000002000566 21 006F B 1 133 248 9 172k 200k 980k 2725791 946 86 telnetd
0x000000000C001026 0x0000000002000566 21 0071 B 1 125 243 9 248k 276k 1040k 987098 252 90 ftpd
0x00000000110011E4 0x00000000120011E0 21 0073 B 17 297 415 42 324k 1056k 2076k 13385932 5785 166 httpd
0x00000000130012A6^ 0x0000000002000566 28 0075 B 1 174 292 24 1540k 1604k 2764k 1283716375506 7403339 426 e1000
0x00000000E50001D4 0x0000000002000566 10 0123 r 1 130 130 10 220k 352k 1380k 4187186 1707 171 task
Total 54 6034 10081 980 55708k 71512k 95508k 150615
Free 955348k
39 tasks.
$