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eo_debug: Allow disabling of backtraces 

export EO_LIFECYCLE_BACKTRACE=0

This means that the lifecycle can be tracked but we don't care about the
backtraces. Related to some recent eo_debug patches.
This commit is contained in:
Jean-Philippe Andre 2017-09-28 15:50:54 +09:00
parent 008ec97d84
commit 662a172139
1 changed files with 37 additions and 20 deletions
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57
src/lib/eo/eo.c
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@ -54,8 +54,10 @@ static inline void _eo_log_obj_init(void);
static inline void _eo_log_obj_shutdown(void);
static inline void _eo_log_obj_ref_op(const _Eo_Object *obj, Eo_Ref_Op ref_op);
#ifdef EO_DEBUG
#define EO_LOG_OBJS_BACKTRACE_MAX 1022
#define EO_LOG_OBJS_BACKTRACE_DEFAULT 62
static int _eo_log_objs_dom = -1;
static int _eo_log_objs_backtrace = 0;
static int _eo_log_objs_backtrace = EO_LOG_OBJS_BACKTRACE_DEFAULT; // 0 = enable tracking but no bt, N>0 = enable tracking and bt of size N
static Eo_Ref_Op _eo_log_objs_level = EO_REF_OP_NONE;
static Eina_Inarray _eo_log_objs_debug;
static Eina_Inarray _eo_log_objs_no_debug;
@ -2856,14 +2858,21 @@ _eo_log_obj_report(const Eo_Id id, int log_level, const char *func_name, const c
now = _eo_log_time_now();
#ifdef HAVE_BACKTRACE
if ((_eo_log_objs_backtrace > 0) && deleted)
if ((_eo_log_objs_backtrace >= 0) && deleted)
{
void **bt;
int size;
void **bt = NULL;
int size = 0;
bt = alloca(sizeof(void *) * _eo_log_objs_backtrace);
size = backtrace(bt, _eo_log_objs_backtrace);
if (EINA_UNLIKELY(size < 1)) return;
if (_eo_log_objs_backtrace > 0)
{
bt = alloca(sizeof(void *) * (_eo_log_objs_backtrace + 2));
size = backtrace(bt, (_eo_log_objs_backtrace + 2));
if (EINA_UNLIKELY(size < 1))
{
bt = NULL;
size = 0;
}
}
current = calloc(1, sizeof(Eo_Log_Obj_Entry) + size * sizeof(void *));
if (EINA_UNLIKELY(!current)) return;
@ -2876,7 +2885,8 @@ _eo_log_obj_report(const Eo_Id id, int log_level, const char *func_name, const c
current->bt_size = size;
current->bt_hash = 0;
current->bt_hits = 1;
memcpy(current->bt, bt, size * sizeof(void *));
if (bt && size)
memcpy(current->bt, bt, size * sizeof(void *));
}
#endif
@ -2937,7 +2947,8 @@ _eo_log_obj_entry_ref_op(const _Eo_Object *obj, Eo_Ref_Op refop, unsigned size,
entry->bt_size = size;
entry->bt_hash = 0;
entry->bt_hits = 1;
memcpy(entry->bt, bt, size * sizeof(void *));
if (size && bt)
memcpy(entry->bt, bt, size * sizeof(void *));
eina_spinlock_take(&_eo_log_objs_lock);
ret = eina_array_push(&_eo_log_objs, entry);
@ -3003,14 +3014,17 @@ _eo_log_obj_ref_op(const _Eo_Object *obj, Eo_Ref_Op ref_op)
if (EINA_LIKELY(!_eo_log_obj_desired(obj))) return;
#ifdef HAVE_BACKTRACE
if (_eo_log_objs_backtrace > 0)
if (_eo_log_objs_backtrace >= 0)
{
int size;
void **bt;
void **bt = NULL;
int size = 0;
bt = alloca(sizeof(void *) * _eo_log_objs_backtrace);
size = backtrace(bt, _eo_log_objs_backtrace);
if (EINA_UNLIKELY(size < 1)) return;
if (_eo_log_objs_backtrace > 0)
{
bt = alloca(sizeof(void *) * (_eo_log_objs_backtrace + 2));
size = backtrace(bt, (_eo_log_objs_backtrace + 2));
if (EINA_UNLIKELY(size < 1)) return;
}
_eo_log_obj_entry_ref_op(obj, ref_op, size, bt);
}
@ -3039,13 +3053,16 @@ _eo_log_obj_init(void)
eina_inarray_step_set(&_eo_log_objs_no_debug, sizeof(Eina_Inarray), sizeof(Eina_Slice), 0);
s = getenv("EO_LIFECYCLE_BACKTRACE");
if (s && (atoi(s) > 0))
if (s && *s)
{
_eo_log_objs_backtrace = atoi(s) + 2;
if (_eo_log_objs_backtrace > 1024)
_eo_log_objs_backtrace = 1024;
_eo_log_objs_backtrace = atoi(s);
if (_eo_log_objs_backtrace > EO_LOG_OBJS_BACKTRACE_MAX)
_eo_log_objs_backtrace = EO_LOG_OBJS_BACKTRACE_MAX;
else if (_eo_log_objs_backtrace < 0)
_eo_log_objs_backtrace = 0;
}
else _eo_log_objs_backtrace = 64;
else
_eo_log_objs_backtrace = EO_LOG_OBJS_BACKTRACE_DEFAULT;
s = getenv("EO_LIFECYCLE_DEBUG");
if ((s) && (s[0] != '\0'))