Re: [PATCH v3 4/6] scripts/sorttable: Zero out weak functions in mcount_loc table
From: Jiri Olsa
Date: Fri Feb 14 2025 - 17:14:42 EST
On Thu, Feb 13, 2025 at 11:20:51AM -0500, Steven Rostedt wrote:
SNIP
> +static int cmp_funcs(const void *A, const void *B)
> +{
> + const struct func_info *a = A;
> + const struct func_info *b = B;
> +
> + if (a->addr < b->addr)
> + return -1;
> + return a->addr > b->addr;
> +}
> +
> +static int parse_symbols(const char *fname)
> +{
> + FILE *fp;
> + char addr_str[20]; /* Only need 17, but round up to next int size */
> + char size_str[20];
> + char type;
> +
> + fp = fopen(fname, "r");
> + if (!fp) {
> + perror(fname);
> + return -1;
> + }
> +
> + while (fscanf(fp, "%16s %16s %c %*s\n", addr_str, size_str, &type) == 3) {
> + uint64_t addr;
> + uint64_t size;
> +
> + /* Only care about functions */
> + if (type != 't' && type != 'T')
> + continue;
hi,
I think we need the 'W' check in here [1]
jirka
[1] https://lore.kernel.org/bpf/20250103071409.47db1479@xxxxxxxxxxxxxxxxx/