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Diffstat (limited to 'Documentation/vm/page_owner.rst')
| -rw-r--r-- | Documentation/vm/page_owner.rst | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst index 3dd31fe06c05..c4de6f8dabe9 100644 --- a/Documentation/vm/page_owner.rst +++ b/Documentation/vm/page_owner.rst @@ -126,11 +126,38 @@ Usage Cull: -c Cull by comparing stacktrace instead of total block. + --cull <rules> + Specify culling rules.Culling syntax is key[,key[,...]].Choose a + multi-letter key from the **STANDARD FORMAT SPECIFIERS** section. + + + <rules> is a single argument in the form of a comma-separated list, + which offers a way to specify individual culling rules. The recognized + keywords are described in the **STANDARD FORMAT SPECIFIERS** section below. + <rules> can be specified by the sequence of keys k1,k2, ..., as described in + the STANDARD SORT KEYS section below. Mixed use of abbreviated and + complete-form of keys is allowed. + + + Examples: + ./page_owner_sort <input> <output> --cull=stacktrace + ./page_owner_sort <input> <output> --cull=st,pid,name + ./page_owner_sort <input> <output> --cull=n,f Filter: -f Filter out the information of blocks whose memory has been released. Select: - --pid <PID> Select by pid. + --pid <PID> Select by pid. --tgid <TGID> Select by tgid. --name <command> Select by task command name. + +STANDARD FORMAT SPECIFIERS +========================== + + KEY LONG DESCRIPTION + p pid process ID + tg tgid thread group ID + n name task command name + f free whether the page has been released or not + st stacktrace stace trace of the page allocation |