95 lines
2.7 KiB
Diff
95 lines
2.7 KiB
Diff
|
commit 8b7978b114e5df89218daa9b4b48cc0e918ba917
|
||
|
|
Author: Sourabh Jain <sourabhjain@linux.ibm.com>
|
||
|
|
Date: Mon Feb 4 16:15:14 2019 +0530
|
||
|
|
|
||
|
|
lparstat: introduce the help command line option to print lparstat usage
|
||
|
|
|
||
|
|
This patch adds a function to print the usage of lparstat. Also,
|
||
|
|
a new element is added to structure option to handle long command
|
||
|
|
line argument for help.
|
||
|
|
|
||
|
|
Signed-off-by: Sourabh Jain <sourabhjain@linux.ibm.com>
|
||
|
|
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
|
||
|
|
|
||
|
|
diff --git a/man/lparstat.8 b/man/lparstat.8
|
||
|
|
index 9721580..467f570 100644
|
||
|
|
--- a/man/lparstat.8
|
||
|
|
+++ b/man/lparstat.8
|
||
|
|
@@ -9,8 +9,9 @@
|
||
|
|
.SH NAME
|
||
|
|
lparstat \- Reports logical partition ( LPAR ) related information and statistics.
|
||
|
|
.SH SYNOPSIS
|
||
|
|
-.B /usr/sbin/lparstat
|
||
|
|
-[ -i ] [ interval [ count ] ]
|
||
|
|
+.B /usr/sbin/lparstat [ options ]
|
||
|
|
+.HP
|
||
|
|
+.B /usr/sbin/lparstat <interval> [ count ]
|
||
|
|
.SH DESCRIPTION
|
||
|
|
The \fIlparstat\fR command provides a report of LPAR related information and utilization statistics. This command provides a display of current LPAR related parameters and Hypervisor information, as well as utilization statistics for the LPAR.
|
||
|
|
|
||
|
|
@@ -202,6 +203,17 @@ Desired Variable Capacity Weight
|
||
|
|
The variable memory capacity weight of the LPAR.
|
||
|
|
.TP
|
||
|
|
.SH
|
||
|
|
+.TP
|
||
|
|
+\fB\-h, --help\fR
|
||
|
|
+Display the usage of lparstat.
|
||
|
|
+.RS
|
||
|
|
+.SH
|
||
|
|
+.TP
|
||
|
|
+\fB\-V, --version\fR
|
||
|
|
+Display the lparstat version information.
|
||
|
|
+.RS
|
||
|
|
+.SH
|
||
|
|
+.TP
|
||
|
|
interval
|
||
|
|
The
|
||
|
|
.B interval
|
||
|
|
diff --git a/src/lparstat.c b/src/lparstat.c
|
||
|
|
index c9b86fd..1abe54d 100644
|
||
|
|
--- a/src/lparstat.c
|
||
|
|
+++ b/src/lparstat.c
|
||
|
|
@@ -655,8 +655,20 @@ void print_default_output(int interval, int count)
|
||
|
|
} while (--count > 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
+static void usage(void)
|
||
|
|
+{
|
||
|
|
+ printf("Usage: lparstat [ options ]\n\tlparstat <interval> [ count ]\n\n"
|
||
|
|
+ "options:\n"
|
||
|
|
+ "\t-h, --help Show this message and exit.\n"
|
||
|
|
+ "\t-V, --version \tDisplay lparstat version information.\n"
|
||
|
|
+ "\t-i Lists details on the LPAR configuration.\n"
|
||
|
|
+ "interval The interval parameter specifies the amount of time between each report.\n"
|
||
|
|
+ "count The count parameter specifies how many reports will be displayed.\n");
|
||
|
|
+}
|
||
|
|
+
|
||
|
|
static struct option long_opts[] = {
|
||
|
|
{"version", no_argument, NULL, 'V'},
|
||
|
|
+ {"help", no_argument, NULL, 'h'},
|
||
|
|
{0, 0, 0, 0},
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -672,7 +684,7 @@ int main(int argc, char *argv[])
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
- while ((c = getopt_long(argc, argv, "iV",
|
||
|
|
+ while ((c = getopt_long(argc, argv, "iVh",
|
||
|
|
long_opts, &opt_index)) != -1) {
|
||
|
|
switch(c) {
|
||
|
|
case 'i':
|
||
|
|
@@ -681,7 +693,12 @@ int main(int argc, char *argv[])
|
||
|
|
case 'V':
|
||
|
|
printf("lparstat - %s\n", VERSION);
|
||
|
|
return 0;
|
||
|
|
+ case 'h':
|
||
|
|
+ usage();
|
||
|
|
+ return 0;
|
||
|
|
case '?':
|
||
|
|
+ usage();
|
||
|
|
+ return 1;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|