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* gc.c: use inline functions instead of macros, and close up 

related codes for the profiler.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nari 2012-08-04 14:12:12 +00:00
Родитель d7a3331682
Коммит de0c788bb4
2 изменённых файлов: 274 добавлений и 176 удалений
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Aug 4 22:56:20 2012 Narihiro Nakamura <authornari@gmail.com>
* gc.c: use inline functions instead of macros, and close up
related codes for the profiler.
Sat Aug 4 20:37:56 2012 Narihiro Nakamura <authornari@gmail.com>
* gc.c (gc_mark_children): use gc_mark_ptr instead of marking

445
gc.c
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@ -116,7 +116,6 @@ static ruby_gc_params_t initial_params = {
int ruby_gc_debug_indent = 0;
/* for GC profile */
#ifndef GC_PROFILE_MORE_DETAIL
#define GC_PROFILE_MORE_DETAIL 0
#endif
@ -141,143 +140,6 @@ typedef struct gc_profile_record {
size_t allocate_limit;
} gc_profile_record;
static double
getrusage_time(void)
{
#ifdef RUSAGE_SELF
struct rusage usage;
struct timeval time;
getrusage(RUSAGE_SELF, &usage);
time = usage.ru_utime;
return time.tv_sec + time.tv_usec * 1e-6;
#elif defined _WIN32
FILETIME creation_time, exit_time, kernel_time, user_time;
ULARGE_INTEGER ui;
LONG_LONG q;
double t;
if (GetProcessTimes(GetCurrentProcess(),
&creation_time, &exit_time, &kernel_time, &user_time) == 0)
{
return 0.0;
}
memcpy(&ui, &user_time, sizeof(FILETIME));
q = ui.QuadPart / 10L;
t = (DWORD)(q % 1000000L) * 1e-6;
q /= 1000000L;
#ifdef __GNUC__
t += q;
#else
t += (double)(DWORD)(q >> 16) * (1 << 16);
t += (DWORD)q & ~(~0 << 16);
#endif
return t;
#else
return 0.0;
#endif
}
#define GC_PROF_TIMER_START do {\
if (objspace->profile.run) {\
if (!objspace->profile.record) {\
objspace->profile.size = 1000;\
objspace->profile.record = malloc(sizeof(gc_profile_record) * objspace->profile.size);\
}\
if (count >= objspace->profile.size) {\
objspace->profile.size += 1000;\
objspace->profile.record = realloc(objspace->profile.record, sizeof(gc_profile_record) * objspace->profile.size);\
}\
if (!objspace->profile.record) {\
rb_bug("gc_profile malloc or realloc miss");\
}\
MEMZERO(&objspace->profile.record[count], gc_profile_record, 1);\
gc_time = getrusage_time();\
objspace->profile.record[count].gc_invoke_time = gc_time - objspace->profile.invoke_time;\
}\
} while(0)
#define GC_PROF_TIMER_STOP(marked) do {\
if (objspace->profile.run) {\
gc_time = getrusage_time() - gc_time;\
if (gc_time < 0) gc_time = 0;\
objspace->profile.record[count].gc_time = gc_time;\
objspace->profile.record[count].is_marked = !!(marked);\
GC_PROF_SET_HEAP_INFO(objspace->profile.record[count]);\
objspace->profile.count++;\
}\
} while(0)
#if GC_PROFILE_MORE_DETAIL
#define INIT_GC_PROF_PARAMS double gc_time = 0, sweep_time = 0;\
size_t count = objspace->profile.count, total = 0, live = 0
#define GC_PROF_MARK_TIMER_START double mark_time = 0;\
do {\
if (objspace->profile.run) {\
mark_time = getrusage_time();\
}\
} while(0)
#define GC_PROF_MARK_TIMER_STOP do {\
if (objspace->profile.run) {\
mark_time = getrusage_time() - mark_time;\
if (mark_time < 0) mark_time = 0;\
objspace->profile.record[objspace->profile.count].gc_mark_time = mark_time;\
}\
} while(0)
#define GC_PROF_SWEEP_TIMER_START do {\
if (objspace->profile.run) {\
sweep_time = getrusage_time();\
}\
} while(0)
#define GC_PROF_SWEEP_TIMER_STOP do {\
if (objspace->profile.run) {\
sweep_time = getrusage_time() - sweep_time;\
if (sweep_time < 0) sweep_time = 0;\
objspace->profile.record[count].gc_sweep_time = sweep_time;\
}\
} while(0)
#define GC_PROF_SET_MALLOC_INFO do {\
if (objspace->profile.run) {\
gc_profile_record *record = &objspace->profile.record[objspace->profile.count];\
record->allocate_increase = malloc_increase;\
record->allocate_limit = malloc_limit; \
}\
} while(0)
#define GC_PROF_SET_HEAP_INFO(record) do {\
live = objspace->heap.live_num;\
total = heaps_used * HEAP_OBJ_LIMIT;\
(record).heap_use_slots = heaps_used;\
(record).heap_live_objects = live;\
(record).heap_free_objects = total - live;\
(record).heap_total_objects = total;\
(record).have_finalize = deferred_final_list ? Qtrue : Qfalse;\
(record).heap_use_size = live * sizeof(RVALUE);\
(record).heap_total_size = total * sizeof(RVALUE);\
} while(0)
#define GC_PROF_INC_LIVE_NUM objspace->heap.live_num++
#define GC_PROF_DEC_LIVE_NUM objspace->heap.live_num--
#else
#define INIT_GC_PROF_PARAMS double gc_time = 0;\
size_t count = objspace->profile.count, total = 0, live = 0
#define GC_PROF_MARK_TIMER_START
#define GC_PROF_MARK_TIMER_STOP
#define GC_PROF_SWEEP_TIMER_START
#define GC_PROF_SWEEP_TIMER_STOP
#define GC_PROF_SET_MALLOC_INFO
#define GC_PROF_SET_HEAP_INFO(record) do {\
live = objspace->heap.live_num;\
total = heaps_used * HEAP_OBJ_LIMIT;\
(record).heap_total_objects = total;\
(record).heap_use_size = live * sizeof(RVALUE);\
(record).heap_total_size = total * sizeof(RVALUE);\
} while(0)
#define GC_PROF_INC_LIVE_NUM
#define GC_PROF_DEC_LIVE_NUM
#endif
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__CYGWIN__)
#pragma pack(push, 1) /* magic for reducing sizeof(RVALUE): 24 -> 20 */
@ -577,6 +439,17 @@ static void run_final(rb_objspace_t *objspace, VALUE obj);
static int garbage_collect(rb_objspace_t *objspace);
static int gc_lazy_sweep(rb_objspace_t *objspace);
static double getrusage_time(void);
static inline void gc_prof_timer_start(rb_objspace_t *);
static inline void gc_prof_timer_stop(rb_objspace_t *, int);
static inline void gc_prof_mark_timer_start(rb_objspace_t *);
static inline void gc_prof_mark_timer_stop(rb_objspace_t *);
static inline void gc_prof_sweep_timer_start(rb_objspace_t *);
static inline void gc_prof_sweep_timer_stop(rb_objspace_t *);
static inline void gc_prof_set_malloc_info(rb_objspace_t *);
static inline void gc_prof_inc_live_num(rb_objspace_t *);
static inline void gc_prof_dec_live_num(rb_objspace_t *);
void
rb_global_variable(VALUE *var)
{
@ -709,23 +582,6 @@ gc_profile_disable(void)
return Qnil;
}
/*
* call-seq:
* GC::Profiler.clear -> nil
*
* Clears the GC profiler data.
*
*/
static VALUE
gc_profile_clear(void)
{
rb_objspace_t *objspace = &rb_objspace;
MEMZERO(objspace->profile.record, gc_profile_record, objspace->profile.size);
objspace->profile.count = 0;
return Qnil;
}
static void *
negative_size_allocation_error_with_gvl(void *ptr)
{
@ -1363,7 +1219,7 @@ rb_newobj(void)
RANY(obj)->file = rb_sourcefile();
RANY(obj)->line = rb_sourceline();
#endif
GC_PROF_INC_LIVE_NUM;
gc_prof_inc_live_num(objspace);
return obj;
}
@ -2150,7 +2006,7 @@ finalize_list(rb_objspace_t *objspace, RVALUE *p)
if (!FL_TEST(p, FL_SINGLETON)) { /* not freeing page */
add_slot_local_freelist(objspace, p);
if (!is_lazy_sweeping(objspace)) {
GC_PROF_DEC_LIVE_NUM;
gc_prof_dec_live_num(objspace);
}
}
else {
@ -2330,8 +2186,8 @@ static void
after_gc_sweep(rb_objspace_t *objspace)
{
size_t inc;
GC_PROF_SET_MALLOC_INFO;
gc_prof_set_malloc_info(objspace);
if (objspace->heap.free_num < objspace->heap.free_min) {
set_heaps_increment(objspace);
heaps_increment(objspace);
@ -2381,7 +2237,6 @@ static int
gc_lazy_sweep(rb_objspace_t *objspace)
{
int res;
INIT_GC_PROF_PARAMS;
if (objspace->flags.dont_lazy_sweep)
return garbage_collect(objspace);
@ -2390,15 +2245,15 @@ gc_lazy_sweep(rb_objspace_t *objspace)
if (!ready_to_gc(objspace)) return TRUE;
during_gc++;
GC_PROF_TIMER_START;
GC_PROF_SWEEP_TIMER_START;
gc_prof_timer_start(objspace);
gc_prof_sweep_timer_start(objspace);
if (objspace->heap.sweep_slots) {
res = lazy_sweep(objspace);
if (res) {
GC_PROF_SWEEP_TIMER_STOP;
GC_PROF_SET_MALLOC_INFO;
GC_PROF_TIMER_STOP(Qfalse);
gc_prof_sweep_timer_stop(objspace);
gc_prof_set_malloc_info(objspace);
gc_prof_timer_stop(objspace, Qfalse);
return res;
}
after_gc_sweep(objspace);
@ -2417,7 +2272,7 @@ gc_lazy_sweep(rb_objspace_t *objspace)
set_heaps_increment(objspace);
}
GC_PROF_SWEEP_TIMER_START;
gc_prof_sweep_timer_start(objspace);
if (!(res = lazy_sweep(objspace))) {
after_gc_sweep(objspace);
if (has_free_object) {
@ -2425,9 +2280,9 @@ gc_lazy_sweep(rb_objspace_t *objspace)
during_gc = 0;
}
}
GC_PROF_SWEEP_TIMER_STOP;
gc_prof_sweep_timer_stop(objspace);
GC_PROF_TIMER_STOP(Qtrue);
gc_prof_timer_stop(objspace, Qtrue);
return res;
}
@ -2459,7 +2314,7 @@ rb_gc_force_recycle(VALUE p)
add_slot_local_freelist(objspace, (RVALUE *)p);
}
else {
GC_PROF_DEC_LIVE_NUM;
gc_prof_dec_live_num(objspace);
slot = add_slot_local_freelist(objspace, (RVALUE *)p);
if (slot->free_next == NULL) {
link_free_heap_slot(objspace, slot);
@ -2664,7 +2519,7 @@ gc_marks(rb_objspace_t *objspace)
{
struct gc_list *list;
rb_thread_t *th = GET_THREAD();
GC_PROF_MARK_TIMER_START;
gc_prof_mark_timer_start(objspace);
objspace->heap.live_num = 0;
objspace->count++;
@ -2707,14 +2562,12 @@ gc_marks(rb_objspace_t *objspace)
gc_mark_rest(objspace);
}
}
GC_PROF_MARK_TIMER_STOP;
gc_prof_mark_timer_stop(objspace);
}
static int
garbage_collect(rb_objspace_t *objspace)
{
INIT_GC_PROF_PARAMS;
if (GC_NOTIFY) printf("start garbage_collect()\n");
if (!heaps) {
@ -2724,18 +2577,18 @@ garbage_collect(rb_objspace_t *objspace)
return TRUE;
}
GC_PROF_TIMER_START;
gc_prof_timer_start(objspace);
rest_sweep(objspace);
during_gc++;
gc_marks(objspace);
GC_PROF_SWEEP_TIMER_START;
gc_prof_sweep_timer_start(objspace);
gc_sweep(objspace);
GC_PROF_SWEEP_TIMER_STOP;
gc_prof_sweep_timer_stop(objspace);
GC_PROF_TIMER_STOP(Qtrue);
gc_prof_timer_stop(objspace, Qtrue);
if (GC_NOTIFY) printf("end garbage_collect()\n");
return TRUE;
}
@ -3866,6 +3719,246 @@ gc_malloc_allocations(VALUE self)
}
#endif
/*
------------------------------ GC profiler ------------------------------
*/
static inline void gc_prof_set_heap_info(rb_objspace_t *, gc_profile_record *);
static double
getrusage_time(void)
{
#ifdef RUSAGE_SELF
struct rusage usage;
struct timeval time;
getrusage(RUSAGE_SELF, &usage);
time = usage.ru_utime;
return time.tv_sec + time.tv_usec * 1e-6;
#elif defined _WIN32
FILETIME creation_time, exit_time, kernel_time, user_time;
ULARGE_INTEGER ui;
LONG_LONG q;
double t;
if (GetProcessTimes(GetCurrentProcess(),
&creation_time, &exit_time, &kernel_time, &user_time) == 0)
{
return 0.0;
}
memcpy(&ui, &user_time, sizeof(FILETIME));
q = ui.QuadPart / 10L;
t = (DWORD)(q % 1000000L) * 1e-6;
q /= 1000000L;
#ifdef __GNUC__
t += q;
#else
t += (double)(DWORD)(q >> 16) * (1 << 16);
t += (DWORD)q & ~(~0 << 16);
#endif
return t;
#else
return 0.0;
#endif
}
static inline void
gc_prof_timer_start(rb_objspace_t *objspace)
{
if (objspace->profile.run) {
size_t count = objspace->profile.count;
if (!objspace->profile.record) {
objspace->profile.size = 1000;
objspace->profile.record = malloc(sizeof(gc_profile_record) * objspace->profile.size);
}
if (count >= objspace->profile.size) {
objspace->profile.size += 1000;
objspace->profile.record = realloc(objspace->profile.record, sizeof(gc_profile_record) * objspace->profile.size);
}
if (!objspace->profile.record) {
rb_bug("gc_profile malloc or realloc miss");
}
MEMZERO(&objspace->profile.record[count], gc_profile_record, 1);
objspace->profile.record[count].gc_time = getrusage_time();
objspace->profile.record[objspace->profile.count].gc_invoke_time =
objspace->profile.record[count].gc_time - objspace->profile.invoke_time;
}
}
static inline void
gc_prof_timer_stop(rb_objspace_t *objspace, int marked)
{
if (objspace->profile.run) {
double gc_time = 0;
size_t count = objspace->profile.count;
gc_profile_record *record = &objspace->profile.record[count];
gc_time = getrusage_time() - record->gc_time;
if (gc_time < 0) gc_time = 0;
record->gc_time = gc_time;
record->is_marked = !!(marked);
gc_prof_set_heap_info(objspace, record);
objspace->profile.count++;
}
}
#if !GC_PROFILE_MORE_DETAIL
static inline void
gc_prof_mark_timer_start(rb_objspace_t *objspace)
{
}
static inline void
gc_prof_mark_timer_stop(rb_objspace_t *objspace)
{
}
static inline void
gc_prof_sweep_timer_start(rb_objspace_t *objspace)
{
}
static inline void
gc_prof_sweep_timer_stop(rb_objspace_t *objspace)
{
}
static inline void
gc_prof_set_malloc_info(rb_objspace_t *objspace)
{
}
static inline void
gc_prof_set_heap_info(rb_objspace_t *objspace, gc_profile_record *record)
{
size_t live = objspace->heap.live_num;
size_t total = heaps_used * HEAP_OBJ_LIMIT;
record->heap_total_objects = total;
record->heap_use_size = live * sizeof(RVALUE);
record->heap_total_size = total * sizeof(RVALUE);
}
static inline void
gc_prof_inc_live_num(rb_objspace_t *objspace)
{
}
static inline void
gc_prof_dec_live_num(rb_objspace_t *objspace)
{
}
#else
static inline void
gc_prof_mark_timer_start(rb_objspace_t *objspace)
{
if (objspace->profile.run) {
size_t count = objspace->profile.count;
objspace->profile.record[count].gc_mark_time = getrusage_time();
}
}
static inline void
gc_prof_mark_timer_stop(rb_objspace_t *objspace)
{
if (objspace->profile.run) {
double mark_time = 0;
size_t count = count;
gc_profile_record *record = &objspace->profile.record[count];
mark_time = getrusage_time() - record->gc_mark_time;
if (mark_time < 0) mark_time = 0;
record->gc_mark_time = mark_time;
}
}
static inline void
gc_prof_sweep_timer_start(rb_objspace_t *objspace)
{
if (objspace->profile.run) {
size_t count = objspace->profile.count;
objspace->profile.record[count].gc_sweep_time = getrusage_time();
}
}
static inline void
gc_prof_sweep_timer_stop(rb_objspace_t *objspace)
{
if (objspace->profile.run) {
double sweep_time = 0;
size_t count = objspace->profile.count;
gc_profile_record *record = &objspace->profile.record[count];
sweep_time = getrusage_time() - record->gc_sweep_time;\
if (sweep_time < 0) sweep_time = 0;\
record->gc_sweep_time = sweep_time;
}
}
static inline void
gc_prof_set_malloc_info(rb_objspace_t *objspace)
{
if (objspace->profile.run) {
gc_profile_record *record = &objspace->profile.record[objspace->profile.count];
if (record) {
record->allocate_increase = malloc_increase;
record->allocate_limit = malloc_limit;
}
}
}
static inline void
gc_prof_set_heap_info(rb_objspace_t *objspace, gc_profile_record *record)
{
size_t live = objspace->heap.live_num;
size_t total = heaps_used * HEAP_OBJ_LIMIT;
record->heap_use_slots = heaps_used;
record->heap_live_objects = live;
record->heap_free_objects = total - live;
record->heap_total_objects = total;
record->have_finalize = deferred_final_list ? Qtrue : Qfalse;
record->heap_use_size = live * sizeof(RVALUE);
record->heap_total_size = total * sizeof(RVALUE);
}
static inline void
gc_prof_inc_live_num(rb_objspace_t *objspace)
{
objspace->heap.live_num++;
}
static inline void
gc_prof_dec_live_num(rb_objspace_t *objspace)
{
objspace->heap.live_num--;
}
#endif /* !GC_PROFILE_MORE_DETAIL */
/*
* call-seq:
* GC::Profiler.clear -> nil
*
* Clears the GC profiler data.
*
*/
static VALUE
gc_profile_clear(void)
{
rb_objspace_t *objspace = &rb_objspace;
MEMZERO(objspace->profile.record, gc_profile_record, objspace->profile.size);
objspace->profile.count = 0;
return Qnil;
}
/*
* call-seq:
* GC::Profiler.raw_data -> [Hash, ...]