diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-07-10 23:01:51 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-08-14 12:28:44 -0400 |
| commit | ac68a58bab15e600fffbbc38be8ff917fcb71509 (patch) | |
| tree | 34dfb0f1cf3d2d0b6959f96c8a3caa179f2d48a0 | |
| parent | 1faab594316b80a5ee3e5463b9506e40c1338001 (diff) | |
memory profiling: print negative numbers correctly
We shouldn't see negative numbers, but bugs happen, and this will print
out something more sensible.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | lib/alloc_tag.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c index 63af296a5a87..a17a1696b265 100644 --- a/lib/alloc_tag.c +++ b/lib/alloc_tag.c @@ -57,11 +57,17 @@ static void allocinfo_stop(struct seq_file *m, void *arg) static void alloc_tag_to_text(char *buf, struct codetag *ct) { struct alloc_tag *tag = ct_to_alloc_tag(ct); - char val[10]; + s64 bytes = alloc_tag_read(tag); + char val[10], *p = val; - string_get_size(alloc_tag_read(tag), 1, + if (bytes < 0) { + *p++ = '-'; + bytes = -bytes; + } + + string_get_size(bytes, 1, STRING_SIZE_BASE2|STRING_SIZE_NOSPACE, - val, sizeof(val)); + p, val + ARRAY_SIZE(val) - p); buf += sprintf(buf, "%8s ", val); buf += codetag_to_text(buf, ct); |