From: Audra Mitchell audra@redhat.com
mainline inclusion from mainline-v6.7-rc1 commit d8ea435f071592d82479414e97e3c70bed204666 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8XGY0 CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
-------------------------------------------
Organize the usage options alphabetically and improve the description of some options. Also separate the more complicated cull options from the single use compare options.
Link: https://lkml.kernel.org/r/20231013190350.579407-6-audra@redhat.com Signed-off-by: Audra Mitchell audra@redhat.com Acked-by: Rafael Aquini aquini@redhat.com Acked-by: Vlastimil Babka vbabka@suse.cz Cc: Georgi Djakov djakov@kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Jinjiang Tu tujinjiang@huawei.com --- tools/mm/page_owner_sort.c | 33 ++++++++++++++++++++------------- 1 file changed, 20 insertions(+), 13 deletions(-)
diff --git a/tools/mm/page_owner_sort.c b/tools/mm/page_owner_sort.c index 5a260096ebaa..e1f264444342 100644 --- a/tools/mm/page_owner_sort.c +++ b/tools/mm/page_owner_sort.c @@ -634,19 +634,26 @@ static void print_allocator(FILE *out, int allocator) static void usage(void) { printf("Usage: ./page_owner_sort [OPTIONS] <input> <output>\n" - "-m\t\tSort by total memory.\n" - "-s\t\tSort by the stack trace.\n" - "-t\t\tSort by times (default).\n" - "-p\t\tSort by pid.\n" - "-P\t\tSort by tgid.\n" - "-n\t\tSort by task command name.\n" - "-a\t\tSort by memory allocate time.\n" - "-d\t\tPrint debug information.\n" - "--pid <pidlist>\tSelect by pid. This selects the information of blocks whose process ID numbers appear in <pidlist>.\n" - "--tgid <tgidlist>\tSelect by tgid. This selects the information of blocks whose Thread Group ID numbers appear in <tgidlist>.\n" - "--name <cmdlist>\n\t\tSelect by command name. This selects the information of blocks whose command name appears in <cmdlist>.\n" - "--cull <rules>\tCull by user-defined rules.<rules> is a single argument in the form of a comma-separated list with some common fields predefined\n" - "--sort <order>\tSpecify sort order as: [+|-]key[,[+|-]key[,...]]\n" + "-a\t\t\tSort by memory allocation time.\n" + "-m\t\t\tSort by total memory.\n" + "-n\t\t\tSort by task command name.\n" + "-p\t\t\tSort by pid.\n" + "-P\t\t\tSort by tgid.\n" + "-s\t\t\tSort by the stacktrace.\n" + "-t\t\t\tSort by number of times record is seen (default).\n\n" + "--pid <pidlist>\t\tSelect by pid. This selects the information" + " of\n\t\t\tblocks whose process ID numbers appear in <pidlist>.\n" + "--tgid <tgidlist>\tSelect by tgid. This selects the information" + " of\n\t\t\tblocks whose Thread Group ID numbers appear in " + "<tgidlist>.\n" + "--name <cmdlist>\tSelect by command name. This selects the" + " information\n\t\t\tof blocks whose command name appears in" + " <cmdlist>.\n" + "--cull <rules>\t\tCull by user-defined rules. <rules> is a " + "single\n\t\t\targument in the form of a comma-separated list " + "with some\n\t\t\tcommon fields predefined (pid, tgid, comm, " + "stacktrace, allocator)\n" + "--sort <order>\t\tSpecify sort order as: [+|-]key[,[+|-]key[,...]]\n" ); }