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DEBUG: pools: store the pool registration file name and line number

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When pools are declared using DECLARE_POOL(), REGISTER_POOL etc, we
know where they are and it's trivial to retrieve the file name and line
number, so let's store them in the pool_registration, and display them
when known in "show pools detailed".
This commit is contained in:
Willy Tarreau 2025-08-06 09:43:39 +02:00
parent ff62aacb20
commit efa856a8b0
3 changed files with 10 additions and 2 deletions
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2
include/haproxy/pool-t.h
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@ -71,6 +71,8 @@ struct pool_cache_head {
struct pool_registration { struct pool_registration {
struct list list; /* link element */ struct list list; /* link element */
const char *name; /* name of the pool */ const char *name; /* name of the pool */
const char *file; /* where the pool is declared */
unsigned int line; /* line in the file where the pool is declared, 0 if none */
unsigned int size; /* expected object size */ unsigned int size; /* expected object size */
unsigned int flags; /* MEM_F_* */ unsigned int flags; /* MEM_F_* */
unsigned int align; /* expected alignment; 0=unspecified */ unsigned int align; /* expected alignment; 0=unspecified */

2
include/haproxy/pool.h
View File

@ -36,6 +36,8 @@
#define __REGISTER_POOL(_line, _ptr, _name, _size) \ #define __REGISTER_POOL(_line, _ptr, _name, _size) \
static struct pool_registration __pool_reg_##_line = { \ static struct pool_registration __pool_reg_##_line = { \
.name = _name, \ .name = _name, \
.file = __FILE__, \
.line = __LINE__, \
.size = _size, \ .size = _size, \
.flags = MEM_F_STATREG, \ .flags = MEM_F_STATREG, \
.align = 0, \ .align = 0, \

8
src/pool.c
View File

@ -1321,8 +1321,12 @@ void dump_pools_to_trash(int how, int max, const char *pfx)
if (detailed) { if (detailed) {
struct pool_registration *reg; struct pool_registration *reg;
list_for_each_entry(reg, &pool_info[i].entry->regs, list) list_for_each_entry(reg, &pool_info[i].entry->regs, list) {
chunk_appendf(&trash, " > %-12s: size=%u flags=%#x align=%u\n", reg->name, reg->size, reg->flags, reg->align); chunk_appendf(&trash, " > %-12s: size=%u flags=%#x align=%u", reg->name, reg->size, reg->flags, reg->align);
if (reg->file && reg->line)
chunk_appendf(&trash, " [%s:%u]", reg->file, reg->line);
chunk_appendf(&trash, "\n");
}
} }
} }