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cpumf/lshwc: Add flags to display counter values in hex

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Add flags to display all counter values in hexadecimal
format with and without leading 0x indicator.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Thomas Richter
2024-10-24 15:58:37 +02:00
committed by Jan Höppner
parent f946ce27f7
commit 7150da3e4f
1 changed files with 18 additions and 3 deletions
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21
cpumf/lshwc.c
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@@ -1,4 +1,4 @@
/* Copyright IBM Corp. 2021
/* Copyright IBM Corp. 2021, 2024
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
@@ -54,6 +54,7 @@ static int cfvn, csvn, authorization;
static unsigned long loop_count = 1;
static unsigned char *ioctlbuffer;
static bool allcpu;
static char *ctrformat = "%ld";
static unsigned int max_possible_cpus; /* No of possible CPUs */
static struct ctrname { /* List of defined counters */
@@ -337,7 +338,7 @@ static void line(char *header)
continue;
if (comma)
putchar(',');
printf("%ld", ctrname[i].ccv[h]);
printf(ctrformat, ctrname[i].ccv[h]);
comma = true;
}
putchar('\n');
@@ -352,7 +353,7 @@ static void line(char *header)
continue;
if (comma)
putchar(',');
printf("%ld", ctrname[i].total);
printf(ctrformat, ctrname[i].total);
comma = true;
ctrname[i].total = 0;
ctrname[i].hitcnt = false;
@@ -605,6 +606,14 @@ static struct util_opt opt_vec[] = {
.argument = "NUMBER",
.desc = "Specifies interval between read operations (seconds)"
},
{
.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
@@ -665,6 +674,12 @@ int main(int argc, char **argv)
if (errno || *slash)
errx(EXIT_FAILURE, "Invalid argument for -%c", ch);
break;
case 'x':
ctrformat = "%lx";
break;
case 'X':
ctrformat = "%#lx";
break;
case 'a':
allcpu = true;
break;