cpumf/lspai: Add command line flags for hexadecimal output

Add command line flags -x and -X to print counter values in
hexadecimal format with leading 0x prefix (-X) and without (-x).

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

cpumf/lspai.c

@@ -69,6 +69,14 @@ static struct util_opt opt_vec[] = {
 		.argument = "TYPE",
 		.desc = "Type of PAI counters to show: crypto, nnpa"
 	},
+	{
+		.option = { "hex0x", no_argument, NULL, 'X' },
+		.desc = "Counter values in hexadecimal format with leading 0x"
+	},
+	{
+		.option = { "hex", no_argument, NULL, 'x' },
+		.desc = "Counter values in hexadecimal format"
+	},
 	UTIL_OPT_HELP,
 	UTIL_OPT_VERSION,
 	UTIL_OPT_END
@@ -659,6 +667,14 @@ int main(int argc, char **argv)
 		case 't':
 			check_type_name(optarg);
 			break;
+		case 'x':
+			list_only = false;
+			ctrformat = "%lx";
+			break;
+		case 'X':
+			list_only = false;
+			ctrformat = "%#lx";
+			break;
 		case OPT_FORMAT:
 			if (!util_fmt_name_to_type(optarg, &fmt))
 				errx(EXIT_FAILURE, "Supported formats:" FMT_TYPE_NAMES);

cpumf/man/lspai.8

@@ -30,6 +30,7 @@
 .IR SECONDS ]
 .RB [ \-l
 .IR COUNT ]
+.RB [ \-x ][ \-X ]
 .RI [ CPULIST ]
 .br
 \*c
@@ -48,6 +49,8 @@ and numbers in various formats.
 If
 .I CPULIST
 is specified or any of the options
+.BR \-x ,
+.BR \-X ,
 .B \-l
 or
 .BR \-i,
@@ -106,6 +109,14 @@ The default is 60 seconds.
 Performs the specified number of read operations.
 The default is one.
 .
+.TP
+.BR \-x ", " \-\-hex
+Displays counter values as hexadecimal values.
+.
+.TP
+.BR \-X ", " \-\-hex0x
+Displays counter values as hexadecimal values with a leading 0x prefix.
+.
 .SH "EXAMPLE"
 The \*c invocation lists all PAI Neural Network Processing Assist Facility
 (NNPA) counters in numeric order: