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core: Improve MALLOC_DEBUG for frames.

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* Pass caller information to frame allocation functions.
* Disable caching as it interfers with MALLOC_DEBUG reporting.
* Stop using ast_calloc_cache.

Change-Id: Id343cd80a3db941d2daefde2a060750fea8cd260
This commit is contained in:
Corey Farrell
2019-11-08 10:20:13 -05:00
parent a47cb71bb1
commit 8a1f30af04
5 changed files with 38 additions and 26 deletions
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2
channels/Makefile
View File

@@ -24,6 +24,8 @@ ifneq ($(findstring $(OSARCH), mingw32 cygwin ),)
endif
$(call MOD_ADD_C,chan_iax2,$(wildcard iax2/*.c))
iax2/parser.o: _ASTCFLAGS+=$(call get_menuselect_cflags,MALLOC_DEBUG)
$(call MOD_ADD_C,chan_sip,$(wildcard sip/*.c))
$(call MOD_ADD_C,chan_pjsip,$(wildcard pjsip/*.c))
$(call MOD_ADD_C,chan_dahdi,$(wildcard dahdi/*.c) sig_analog.c sig_pri.c sig_ss7.c)

18
channels/iax2/parser.c
View File

@@ -52,7 +52,11 @@ static int frames = 0;
static int iframes = 0;
static int oframes = 0;
#if !defined(LOW_MEMORY)
#if (defined(LOW_MEMORY) || defined(MALLOC_DEBUG)) && !defined(NO_FRAME_CACHE)
#define NO_FRAME_CACHE
#endif
#if !defined(NO_FRAME_CACHE)
static void frame_cache_cleanup(void *data);
/*! \brief A per-thread cache of iax_frame structures */
@@ -1215,7 +1219,7 @@ struct iax_frame *iax_frame_new(int direction, int datalen, unsigned int cacheab
{
struct iax_frame *fr;
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
if (cacheable) {
struct iax_frames *iax_frames;
struct iax_frame *smallest;
@@ -1243,13 +1247,13 @@ struct iax_frame *iax_frame_new(int direction, int datalen, unsigned int cacheab
iax_frames->size--;
ast_free(smallest);
}
if (!(fr = ast_calloc_cache(1, sizeof(*fr) + datalen))) {
if (!(fr = ast_calloc(1, sizeof(*fr) + datalen))) {
return NULL;
}
fr->afdatalen = datalen;
}
} else {
if (!(fr = ast_calloc_cache(1, sizeof(*fr) + datalen))) {
if (!(fr = ast_calloc(1, sizeof(*fr) + datalen))) {
return NULL;
}
fr->afdatalen = datalen;
@@ -1280,7 +1284,7 @@ struct iax_frame *iax_frame_new(int direction, int datalen, unsigned int cacheab
void iax_frame_free(struct iax_frame *fr)
{
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
struct iax_frames *iax_frames = NULL;
#endif
@@ -1295,7 +1299,7 @@ void iax_frame_free(struct iax_frame *fr)
}
ast_atomic_fetchadd_int(&frames, -1);
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
if (!fr->cacheable
|| !ast_opt_cache_media_frames
|| !(iax_frames = ast_threadstorage_get(&frame_cache, sizeof(*iax_frames)))) {
@@ -1319,7 +1323,7 @@ void iax_frame_free(struct iax_frame *fr)
ast_free(fr);
}
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
static void frame_cache_cleanup(void *data)
{
struct iax_frames *framelist = data;

6
include/asterisk/frame.h
View File

@@ -560,14 +560,16 @@ void ast_frame_dtor(struct ast_frame *frame);
* should be the last operation you do with that frame before freeing
* it (or exiting the block, if the frame is on the stack.)
*/
struct ast_frame *ast_frisolate(struct ast_frame *fr);
#define ast_frisolate(fr) __ast_frisolate(fr, __FILE__, __LINE__, __PRETTY_FUNCTION__)
struct ast_frame *__ast_frisolate(struct ast_frame *fr, const char *file, int line, const char *func);
/*! \brief Copies a frame
* \param fr frame to copy
* Duplicates a frame -- should only rarely be used, typically frisolate is good enough
* \return Returns a frame on success, NULL on error
*/
struct ast_frame *ast_frdup(const struct ast_frame *fr);
#define ast_frdup(fr) __ast_frdup(fr, __FILE__, __LINE__, __PRETTY_FUNCTION__)
struct ast_frame *__ast_frdup(const struct ast_frame *fr, const char *file, int line, const char *func);
void ast_swapcopy_samples(void *dst, const void *src, int samples);

1
main/Makefile
View File

@@ -159,6 +159,7 @@ cdr.o: _ASTCFLAGS+=$(AST_NO_FORMAT_TRUNCATION)
crypt.o: _ASTCFLAGS+=$(CRYPT_INCLUDE)
db.o: _ASTCFLAGS+=$(SQLITE3_INCLUDE)
dsp.o: _ASTCFLAGS+=$(call get_menuselect_cflags,RADIO_RELAX)
frame.o: _ASTCFLAGS+=$(call get_menuselect_cflags,MALLOC_DEBUG)
http.o: _ASTCFLAGS+=$(GMIMECFLAGS)
iostream.o: _ASTCFLAGS+=$(OPENSSL_INCLUDE)
json.o: _ASTCFLAGS+=$(JANSSON_INCLUDE)

37
main/frame.c
View File

@@ -43,7 +43,11 @@
#include "asterisk/dsp.h"
#include "asterisk/file.h"
#if !defined(LOW_MEMORY)
#if (defined(LOW_MEMORY) || defined(MALLOC_DEBUG)) && !defined(NO_FRAME_CACHE)
#define NO_FRAME_CACHE
#endif
#if !defined(NO_FRAME_CACHE)
static void frame_cache_cleanup(void *data);
/*! \brief A per-thread cache of frame headers */
@@ -72,11 +76,11 @@ struct ast_frame_cache {
struct ast_frame ast_null_frame = { AST_FRAME_NULL, };
static struct ast_frame *ast_frame_header_new(void)
static struct ast_frame *ast_frame_header_new(const char *file, int line, const char *func)
{
struct ast_frame *f;
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
struct ast_frame_cache *frames;
if ((frames = ast_threadstorage_get(&frame_cache, sizeof(*frames)))) {
@@ -89,19 +93,18 @@ static struct ast_frame *ast_frame_header_new(void)
return f;
}
}
if (!(f = ast_calloc_cache(1, sizeof(*f))))
return NULL;
#else
if (!(f = ast_calloc(1, sizeof(*f))))
return NULL;
#endif
if (!(f = __ast_calloc(1, sizeof(*f), file, line, func))) {
return NULL;
}
f->mallocd_hdr_len = sizeof(*f);
return f;
}
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
static void frame_cache_cleanup(void *data)
{
struct ast_frame_cache *frames = data;
@@ -119,7 +122,7 @@ static void __frame_free(struct ast_frame *fr, int cache)
if (!fr->mallocd)
return;
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
if (fr->mallocd == AST_MALLOCD_HDR
&& cache
&& ast_opt_cache_media_frames) {
@@ -185,7 +188,7 @@ void ast_frame_dtor(struct ast_frame *f)
* (header, src, data).
* On return all components are malloc'ed
*/
struct ast_frame *ast_frisolate(struct ast_frame *fr)
struct ast_frame *__ast_frisolate(struct ast_frame *fr, const char *file, int line, const char *func)
{
struct ast_frame *out;
void *newdata;
@@ -194,7 +197,7 @@ struct ast_frame *ast_frisolate(struct ast_frame *fr)
since it is more efficient
*/
if (fr->mallocd == 0) {
return ast_frdup(fr);
return __ast_frdup(fr, file, line, func);
}
/* if everything is already malloc'd, we are done */
@@ -205,7 +208,7 @@ struct ast_frame *ast_frisolate(struct ast_frame *fr)
if (!(fr->mallocd & AST_MALLOCD_HDR)) {
/* Allocate a new header if needed */
if (!(out = ast_frame_header_new())) {
if (!(out = ast_frame_header_new(file, line, func))) {
return NULL;
}
out->frametype = fr->frametype;
@@ -291,13 +294,13 @@ struct ast_frame *ast_frisolate(struct ast_frame *fr)
return out;
}
struct ast_frame *ast_frdup(const struct ast_frame *f)
struct ast_frame *__ast_frdup(const struct ast_frame *f, const char *file, int line, const char *func)
{
struct ast_frame *out = NULL;
int len, srclen = 0;
void *buf = NULL;
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
struct ast_frame_cache *frames;
#endif
@@ -313,7 +316,7 @@ struct ast_frame *ast_frdup(const struct ast_frame *f)
if (srclen > 0)
len += srclen + 1;
#if !defined(LOW_MEMORY)
#if !defined(NO_FRAME_CACHE)
if ((frames = ast_threadstorage_get(&frame_cache, sizeof(*frames)))) {
AST_LIST_TRAVERSE_SAFE_BEGIN(&frames->list, out, frame_list) {
if (out->mallocd_hdr_len >= len) {
@@ -332,7 +335,7 @@ struct ast_frame *ast_frdup(const struct ast_frame *f)
#endif
if (!buf) {
if (!(buf = ast_calloc_cache(1, len)))
if (!(buf = __ast_calloc(1, len, file, line, func)))
return NULL;
out = buf;
out->mallocd_hdr_len = len;