From: Chenzhendong (alex) via Virt [mailto:virt@openeuler.org] Sent: Monday, September 21, 2020 4:48 PM To: virt@openeuler.org Subject: [Virt] vmtop: add -h and -v support
From bd945ccaa153d2c2ef9bef443365613a759bb176 Mon Sep 17 00:00:00 2001 From: chenruyi 00589904 <chenruyi2@huawei.commailto:chenruyi2@huawei.com> Date: Mon, 21 Sep 2020 16:36:36 +0800 Subject: [PATCH] add -h and -v
Patch subject和 message写的也太简洁了点 : )
Signed-off-by, 标签都没有？ --- src/field.c | 11 +++++++++++ src/field.h | 2 ++ src/vmtop.c | 10 +++++++++- 3 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/src/field.c b/src/field.c index 21be4fd..92d389e 100644 --- a/src/field.c +++ b/src/field.c @@ -20,6 +20,17 @@ const char *filter_help = "" "field filter - select which field to be showed\n" "Use up/down to navigate, use space to set whether chosen filed to be showed\n" "'q' to quit to normal display\n"; +const char *help_text = "" + "usage: vmtop [option] [arg]\n" + "-b :output as text, which can be used for redirections \n" + "-d sec :set the refresh interval to secs \n" + "-h :print this help message and exit\n" + "-H :displays VM thread information\n" + "-n num :set the number of refresh times before automatic quit\n" + "-v :show VMTOP version and exit\n" + "\n"; +const char *version_text = "" + "vmtop-%s\n";
FID fields[] = { /* name . flag . align */ diff --git a/src/field.h b/src/field.h index 4744ab7..ff98ee4 100644 --- a/src/field.h +++ b/src/field.h @@ -48,6 +48,8 @@ typedef struct _field { extern FID fields[]; extern const char *summary_text; extern const char *filter_help; +extern const char *help_text; +extern const char *version_text;
int get_show_field_num(void); #endif diff --git a/src/vmtop.c b/src/vmtop.c index 7a1b19b..6fa9fd7 100644 --- a/src/vmtop.c +++ b/src/vmtop.c @@ -70,7 +70,7 @@ static void init_parameter(void) static void parse_args(int argc, char *argv[]) { int opt; - char *arg_ops = "Hd:n:b"; + char *arg_ops = "hvHd:n:b"; while ((opt = getopt(argc, argv, arg_ops)) != -1) { switch (opt) { case 'd': { @@ -84,6 +84,14 @@ static void parse_args(int argc, char *argv[]) thread_mode = 1; break; } + case 'h': { + printf(help_text); + exit(0); + } + case 'v': { + printf(version_text,PACKAGE_VERSION); + exit(0); + } case 'n': { display_loop = atoi(optarg); if (display_loop == 0) { -- 2.28.0.windows.1