On Fri, 13 Nov 2020, Daniel Wagner wrote:
> Add helper to parse common memory prefixes on strings.
>
> Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
> ---
> src/include/rt-utils.h | 1 +
> src/lib/rt-utils.c | 30 ++++++++++++++++++++++++++++++
> 2 files changed, 31 insertions(+)
>
> diff --git a/src/include/rt-utils.h b/src/include/rt-utils.h
> index c6fb220cdb0a..39ddbd9eae29 100644
> --- a/src/include/rt-utils.h
> +++ b/src/include/rt-utils.h
> @@ -28,6 +28,7 @@ uint32_t string_to_policy(const char *str);
> pid_t gettid(void);
>
> int parse_time_string(char *val);
> +int parse_mem_string(char *str, uint64_t *val);
>
> void enable_trace_mark(void);
> void tracemark(char *fmt, ...) __attribute__((format(printf, 1, 2)));
> diff --git a/src/lib/rt-utils.c b/src/lib/rt-utils.c
> index a30e1e4ce436..2d68d62cd875 100644
> --- a/src/lib/rt-utils.c
> +++ b/src/lib/rt-utils.c
> @@ -362,6 +362,36 @@ int parse_time_string(char *val)
> return t;
> }
>
> +int parse_mem_string(char *str, uint64_t *val)
> +{
> + char *endptr;
> + int v = strtol(str, &endptr, 10);
> +
> + if (!*endptr)
> + return v;
> +
> + switch (*endptr) {
> + case 'g':
> + case 'G':
> + v *= 1024;
> + case 'm':
> + case 'M':
> + v *= 1024;
> + case 'k':
> + case 'K':
> + v *= 1024;
> + case 'b':
> + case 'B':
> + break;
> + default:
> + return -1;
> + }
> +
> + *val = v;
> +
> + return 0;
> +}
> +
> static void open_tracemark_fd(void)
> {
> char path[MAX_PATH];
> --
> 2.29.2
>
>
Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
