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MINOR: debug: dump the whole trace if we can't spot the starting point

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Instead of special-casing the use of the symbol resolving to decide
whether to dump a partial or complete trace, let's simply start over
and dump everything when we reach the end after having found nothing.
It will be more robust against dirty traces as well.
This commit is contained in:
Willy Tarreau 2020-03-04 07:39:32 +01:00
parent 899e5f69a1
commit a91b7946bd
1 changed files with 9 additions and 8 deletions
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13
src/debug.c
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@ -108,14 +108,15 @@ void ha_thread_dump(struct buffer *buf, int thr, int calling_tid)
if (nptrs)
chunk_appendf(buf, " call trace(%d):\n", nptrs);
#ifndef USE_DL
/* if we can't rely on dladdr1() we won't figure what level is
* in ha_panic() or ha_thread_dump_all_to_trash(), so we want
* to immediately start the dump.
for (j = 0; j < nptrs || dump < 2; j++) {
if (j == nptrs && !dump) {
/* we failed to spot the starting point of the
* dump, let's start over dumping everything we
* have.
*/
dump = 2;
#endif
for (j = 0; j < nptrs; j++) {
j = 0;
}
bak = *buf;
dump_addr_and_bytes(buf, " | ", callers[j], 8);
addr = resolve_sym_name(buf, ": ", callers[j]);