projects / apple / system_cmds.git / blame
| Commit | Line | Data |
|---|---|---|
| cf37c299 A |
1 | .\" Copyright (c) 2016, Apple Inc. All rights reserved. |
| 2 | .\" | |
| 3 | .Dd 2 May 2016 | |
| 4 | .Dt ZPRINT 1 | |
| 5 | .Os "Mac OS X" | |
| 6 | .Sh NAME | |
| 7 | .Nm zprint | |
| 8 | .Nd show information about kernel zones | |
| 9 | .Sh SYNOPSIS | |
| 10 | .Nm | |
| 11 | .Op Fl cdhlLstw | |
| 12 | .Op Ar name | |
| 13 | .Sh DESCRIPTION | |
| 14 | .Nm | |
| 15 | displays data about Mach zones (allocation buckets). By default, | |
| 16 | .Nm | |
| 17 | will print out information about all Mach zones. If the optional | |
| 18 | .Ar name | |
| 19 | is specified, | |
| 20 | .Nm | |
| 21 | will print information about each zone for which | |
| 22 | .Ar name | |
| 23 | is a substring of the zone's name. | |
| 24 | .Pp | |
| 25 | .Nm | |
| 26 | interprets the following options: | |
| 27 | .Pp | |
| 28 | .Bl -tag -width "disable -" | |
| 29 | .\" -c | |
| 30 | .It Fl c | |
| c3a08f59 | 31 | (Default) |
| cf37c299 A |
32 | .Nm |
| 33 | prints zone info in columns. Long zone names are truncated with | |
| 34 | .Ql \&$ , | |
| 35 | and spaces are replaced with | |
| 36 | .Ql \&. , | |
| 37 | to allow for sorting by column. Pageable and collectible zones are shown with | |
| 38 | .Ql \&P | |
| 39 | and | |
| 40 | .Ql \&C | |
| 41 | on the far right, respectively. Zones with preposterously large maximum sizes | |
| 42 | are shown with | |
| 43 | .Ql ---- | |
| 44 | in the max size and max num elts fields. | |
| 45 | .\" -d | |
| 46 | .It Fl d | |
| 8459d725 A |
47 | Display deltas over time, showing any zones that have achieved a new maximum |
| 48 | current allocation size during the interval. If the total allocation sizes are | |
| cf37c299 A |
49 | being displayed for the zones in question, it will also display the deltas if |
| 50 | the total allocations have doubled. | |
| 51 | .\" -h | |
| 52 | .It Fl h | |
| 53 | (Default) Shows headings for the columns printed with the | |
| 54 | .Fl c | |
| 55 | option. It may be useful to override this option when sorting by column. | |
| 56 | .\" -l | |
| 57 | .It Fl l | |
| 58 | (Default) Show all wired memory information after the zone information. | |
| 59 | .\" -L | |
| 60 | .It Fl L | |
| 61 | Do not show all wired memory information after the zone information. | |
| 62 | .\" -s | |
| 63 | .It Fl s | |
| 64 | .Nm | |
| 65 | sorts the zones, showing the zone wasting the most memory first. | |
| 66 | .\" -t | |
| 67 | .It Fl t | |
| 68 | For each zone, | |
| 69 | .Nm | |
| 70 | calculates the total size of allocations from the zone over the life of the | |
| 71 | zone. | |
| 72 | .\" -w | |
| 73 | .It Fl w | |
| 74 | For each zone, | |
| 75 | .Nm | |
| 76 | calculates how much space is allocated but not currently in use, the space | |
| 77 | wasted by the zone. | |
| 78 | .El | |
| 79 | .Pp | |
| 80 | Any option (including default options) can be overridden by specifying the | |
| 81 | option in upper-case; for example, | |
| 82 | .Fl C | |
| 83 | overrides the default option | |
| 84 | .Fl c . | |
| 85 | .Sh DIAGNOSTICS | |
| 86 | .Ex -std | |
| 87 | .Sh SEE ALSO | |
| 88 | .Xr ioclasscount 1 , | |
| 89 | .Xr lsmp 1 , | |
| 90 | .Xr lskq 1 , |