+2015-05-27 Martin Liska <mliska@suse.cz>
+
+ * Makefile.in: Add additional dependencies related to memory report
+ enhancement.
+ * alloc-pool.c (allocate_pool_descriptor): Use new ctor.
+ * bitmap.c (struct bitmap_descriptor_d): Remove.
+ (struct loc): Likewise.
+ (struct bitmap_desc_hasher): Likewise.
+ (bitmap_desc_hasher::hash): Likewise.
+ (bitmap_desc_hasher::equal): Likewise.
+ (get_bitmap_descriptor): Likewise.
+ (bitmap_register): User new memory descriptor API.
+ (register_overhead): Likewise.
+ (bitmap_find_bit): Register nsearches and search_iter statistics.
+ (struct bitmap_output_info): Remove.
+ (print_statistics): Likewise.
+ (dump_bitmap_statistics): Use new memory descriptor.
+ * bitmap.h (struct bitmap_usage): New class.
+ * genmatch.c: Extend header file inclusion.
+ * genpreds.c: Likewise.
+ * ggc-common.c (struct ggc_usage): New class.
+ (struct ggc_loc_desc_hasher): Remove.
+ (ggc_loc_desc_hasher::hash): Likewise.
+ (ggc_loc_desc_hasher::equal): Likewise.
+ (struct ggc_ptr_hash_entry): Likewise.
+ (struct ptr_hash_hasher): Likewise.
+ (ptr_hash_hasher::hash): Likewise.
+ (ptr_hash_hasher::equal): Likewise.
+ (make_loc_descriptor): Likewise.
+ (ggc_prune_ptr): Likewise.
+ (dump_ggc_loc_statistics): Use new memory descriptor.
+ (ggc_record_overhead): Likewise.
+ (ggc_free_overhead): Likewise.
+ (final_cmp_statistic): Remove.
+ (cmp_statistic): Likewise.
+ (ggc_add_statistics): Liekwise.
+ (ggc_prune_overhead_list): Likewise.
+ * hash-map-traits.h: New file.
+ * hash-map.h (struct default_hashmap_traits): Move the traits to a
+ separate header file.
+ * hash-set.h: Pass memory statistics info to ctor.
+ * hash-table.c (void dump_hash_table_loc_statistics): New function.
+ * hash-table.h (hash_table::hash_table): Add new ctor arguments.
+ (hash_table::~hash_table): Register memory release operation.
+ (hash_table::alloc_entries): Handle memory allocation operation.
+ (hash_table::expand): Likewise.
+ * inchash.c (iterative_hash_hashval_t): Move implementation to header
+ file.
+ (iterative_hash_host_wide_int): Likewise.
+ * inchash.h (class hash): Likewise.
+ * mem-stats-traits.h: New file.
+ * mem-stats.h: New file.
+ (mem_location): Add new class.
+ (mem_usage): Likewise.
+ (mem_alloc_description): Likewise.
+ * sese.c: Add new header file inclusision.
+ * toplev.c (dump_memory_report): Add report for hash_table, hash_map
+ and hash_set.
+ * tree-sra.c: Add new header file inclusision.
+ * vec.c (struct vec_descriptor): Remove.
+ (hash_descriptor): Likewise.
+ (struct vec_usage): Likewise.
+ (struct ptr_hash_entry): Likewise.
+ (hash_ptr): Likewise.
+ (eq_ptr): Likewise.
+ (vec_prefix::register_overhead): Use new memory descriptor API.
+ (vec_prefix::release_overhead): Likewise.
+ (add_statistics): Remove.
+ (dump_vec_loc_statistics): Use new memory descriptor API.
+ * vec.h (struct vec_prefix): Likewise.
+ (va_heap::reserve): Likewise.
+ (va_heap::release): Likewise.
+ * emit-rtl.c (gen_raw_REG): Fix passing MEM_STAT.
+
2015-05-27 Richard Biener <rguenther@suse.de>
* tree-vect-stmts.c (vectorizable_load): Initialize slp_perm
BUILD_RTL = build/rtl.o build/read-rtl.o build/ggc-none.o \
build/vec.o build/min-insn-modes.o build/gensupport.o \
- build/print-rtl.o
+ build/print-rtl.o build/hash-table.o
BUILD_MD = build/read-md.o
BUILD_ERRORS = build/errors.o
# Objects in libcommon.a, potentially used by all host binaries and with
# no target dependencies.
OBJS-libcommon = diagnostic.o diagnostic-color.o pretty-print.o intl.o \
- vec.o input.o version.o
+ vec.o input.o version.o hash-table.o ggc-none.o
# Objects in libcommon-target.a, used by drivers and by the core
# compiler and containing target-dependent code.
cp $^ $@
COLLECT2_OBJS = collect2.o collect2-aix.o tlink.o vec.o ggc-none.o \
- collect-utils.o file-find.o
+ collect-utils.o file-find.o hash-table.o
COLLECT2_LIBS = @COLLECT2_LIBS@
collect2$(exeext): $(COLLECT2_OBJS) $(LIBDEPS)
# Don't try modifying collect2 (aka ld) in place--it might be linking this.
GCOV_OBJS = gcov.o
gcov$(exeext): $(GCOV_OBJS) $(LIBDEPS)
- +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_OBJS) $(LIBS) -o $@
+ +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_OBJS) \
+ build/hash-table.o ggc-none.o $(LIBS) -o $@
GCOV_DUMP_OBJS = gcov-dump.o
gcov-dump$(exeext): $(GCOV_DUMP_OBJS) $(LIBDEPS)
+$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_DUMP_OBJS) \
+ build/hash-table.o build/ggc-none.o\
$(LIBS) -o $@
GCOV_TOOL_DEP_FILES = $(srcdir)/../libgcc/libgcov-util.c gcov-io.c $(GCOV_IO_H) \
allocate_pool_descriptor (const char *name)
{
if (!alloc_pool_hash)
- alloc_pool_hash = new hash_map<const char *, alloc_pool_descriptor> (10);
+ alloc_pool_hash = new hash_map<const char *, alloc_pool_descriptor> (10,
+ false,
+ false);
return &alloc_pool_hash->get_or_insert (name);
}
#include "bitmap.h"
#include "hash-table.h"
#include "vec.h"
+#include "inchash.h"
+#include "mem-stats.h"
+#include "hash-map.h"
-/* Store information about each particular bitmap, per allocation site. */
-struct bitmap_descriptor_d
-{
- int id;
- const char *function;
- const char *file;
- int line;
- int created;
- uint64_t allocated;
- uint64_t peak;
- uint64_t current;
- uint64_t nsearches;
- uint64_t search_iter;
-};
-
-typedef struct bitmap_descriptor_d *bitmap_descriptor;
-typedef const struct bitmap_descriptor_d *const_bitmap_descriptor;
-
-/* Next available unique id number for bitmap desciptors. */
-static int next_bitmap_desc_id = 0;
-
-/* Vector mapping descriptor ids to descriptors. */
-static vec<bitmap_descriptor> bitmap_descriptors;
-
-/* Hashtable helpers. */
-
-struct loc
-{
- const char *file;
- const char *function;
- int line;
-};
-
-struct bitmap_desc_hasher : typed_noop_remove <bitmap_descriptor_d>
-{
- typedef bitmap_descriptor_d *value_type;
- typedef loc *compare_type;
- static inline hashval_t hash (const bitmap_descriptor_d *);
- static inline bool equal (const bitmap_descriptor_d *, const loc *);
-};
-
-inline hashval_t
-bitmap_desc_hasher::hash (const bitmap_descriptor_d *d)
-{
- return htab_hash_pointer (d->file) + d->line;
-}
-
-inline bool
-bitmap_desc_hasher::equal (const bitmap_descriptor_d *d, const loc *l)
-{
- return d->file == l->file && d->function == l->function && d->line == l->line;
-}
-
-/* Hashtable mapping bitmap names to descriptors. */
-static hash_table<bitmap_desc_hasher> *bitmap_desc_hash;
-
-/* For given file and line, return descriptor, create new if needed. */
-static bitmap_descriptor
-get_bitmap_descriptor (const char *file, int line, const char *function)
-{
- bitmap_descriptor_d **slot;
- struct loc loc;
-
- loc.file = file;
- loc.function = function;
- loc.line = line;
-
- if (!bitmap_desc_hash)
- bitmap_desc_hash = new hash_table<bitmap_desc_hasher> (10);
-
- slot
- = bitmap_desc_hash->find_slot_with_hash (&loc,
- htab_hash_pointer (file) + line,
- INSERT);
- if (*slot)
- return *slot;
-
- *slot = XCNEW (struct bitmap_descriptor_d);
- bitmap_descriptors.safe_push (*slot);
- (*slot)->id = next_bitmap_desc_id++;
- (*slot)->file = file;
- (*slot)->function = function;
- (*slot)->line = line;
- return *slot;
-}
+/* Memory allocation statistics purpose instance. */
+mem_alloc_description<bitmap_usage> bitmap_mem_desc;
/* Register new bitmap. */
void
bitmap_register (bitmap b MEM_STAT_DECL)
{
- bitmap_descriptor desc = get_bitmap_descriptor (ALONE_FINAL_PASS_MEM_STAT);
- desc->created++;
- b->descriptor_id = desc->id;
+ bitmap_mem_desc.register_descriptor (b, BITMAP, false FINAL_PASS_MEM_STAT);
}
/* Account the overhead. */
static void
register_overhead (bitmap b, int amount)
{
- bitmap_descriptor desc = bitmap_descriptors[b->descriptor_id];
- desc->current += amount;
- if (amount > 0)
- desc->allocated += amount;
- if (desc->peak < desc->current)
- desc->peak = desc->current;
+ if (bitmap_mem_desc.contains_descriptor_for_instance (b))
+ bitmap_mem_desc.register_instance_overhead (amount, b);
}
/* Global data */
&& head->first->next == NULL)
return NULL;
+ /* Usage can be NULL due to allocated bitmaps for which we do not
+ call initialize function. */
+ bitmap_usage *usage = bitmap_mem_desc.get_descriptor_for_instance (head);
+
/* This bitmap has more than one element, and we're going to look
through the elements list. Count that as a search. */
- if (GATHER_STATISTICS)
- bitmap_descriptors[head->descriptor_id]->nsearches++;
+ if (GATHER_STATISTICS && usage)
+ usage->m_nsearches++;
if (head->indx < indx)
/* INDX is beyond head->indx. Search from head->current
element->next != 0 && element->indx < indx;
element = element->next)
{
- if (GATHER_STATISTICS)
- bitmap_descriptors[head->descriptor_id]->search_iter++;
+ if (GATHER_STATISTICS && usage)
+ usage->m_search_iter++;
}
else if (head->indx / 2 < indx)
element->prev != 0 && element->indx > indx;
element = element->prev)
{
- if (GATHER_STATISTICS)
- bitmap_descriptors[head->descriptor_id]->search_iter++;
+ if (GATHER_STATISTICS && usage)
+ usage->m_search_iter++;
}
else
for (element = head->first;
element->next != 0 && element->indx < indx;
element = element->next)
- if (GATHER_STATISTICS)
+ if (GATHER_STATISTICS && usage)
{
- bitmap_descriptors[head->descriptor_id]->search_iter++;
+ usage->m_search_iter++;
}
/* `element' is the nearest to the one we want. If it's not the one we
fputs (suffix, file);
}
-
-/* Used to accumulate statistics about bitmap sizes. */
-struct bitmap_output_info
-{
- uint64_t size;
- uint64_t count;
-};
-
-/* Called via hash_table::traverse. Output bitmap descriptor pointed out by
- SLOT and update statistics. */
-int
-print_statistics (bitmap_descriptor_d **slot, bitmap_output_info *i)
-{
- bitmap_descriptor d = *slot;
- char s[4096];
-
- if (d->allocated)
- {
- const char *s1 = d->file;
- const char *s2;
- while ((s2 = strstr (s1, "gcc/")))
- s1 = s2 + 4;
- sprintf (s, "%s:%i (%s)", s1, d->line, d->function);
- s[41] = 0;
- fprintf (stderr,
- "%-41s %9u %15" PRId64" %15" PRId64" %15" PRId64
- " %10" PRId64" %10" PRId64"\n",
- s, d->created,
- d->allocated, d->peak, d->current,
- d->nsearches, d->search_iter);
- i->size += d->allocated;
- i->count += d->created;
- }
- return 1;
-}
-
/* Output per-bitmap memory usage statistics. */
void
dump_bitmap_statistics (void)
{
- struct bitmap_output_info info;
-
if (! GATHER_STATISTICS)
return;
- if (!bitmap_desc_hash)
- return;
-
- fprintf (stderr,
- "\n%-41s %9s %15s %15s %15s %10s %10s\n",
- "Bitmap", "Overall",
- "Allocated", "Peak", "Leak",
- "searched", "search_itr");
- fprintf (stderr, "---------------------------------------------------------------------------------\n");
- info.count = 0;
- info.size = 0;
- bitmap_desc_hash->traverse <bitmap_output_info *, print_statistics> (&info);
- fprintf (stderr, "---------------------------------------------------------------------------------\n");
- fprintf (stderr,
- "%-41s %9" PRId64" %15" PRId64"\n",
- "Total", info.count, info.size);
- fprintf (stderr, "---------------------------------------------------------------------------------\n");
+ bitmap_mem_desc.dump (BITMAP);
}
DEBUG_FUNCTION void
#include "hashtab.h"
#include "statistics.h"
#include "obstack.h"
+#include "mem-stats.h"
+
+/* Bitmap memory usage. */
+struct bitmap_usage: public mem_usage
+{
+ /* Default contructor. */
+ bitmap_usage (): m_nsearches (0), m_search_iter (0) {}
+ /* Constructor. */
+ bitmap_usage (size_t allocated, size_t times, size_t peak,
+ uint64_t nsearches, uint64_t search_iter)
+ : mem_usage (allocated, times, peak),
+ m_nsearches (nsearches), m_search_iter (search_iter) {}
+
+ /* Sum the usage with SECOND usage. */
+ bitmap_usage operator+ (const bitmap_usage &second)
+ {
+ return bitmap_usage (m_allocated + second.m_allocated,
+ m_times + second.m_times,
+ m_peak + second.m_peak,
+ m_nsearches + second.m_nsearches,
+ m_search_iter + second.m_search_iter);
+ }
+
+ /* Dump usage coupled to LOC location, where TOTAL is sum of all rows. */
+ inline void dump (mem_location *loc, mem_usage &total) const
+ {
+ char s[4096];
+ sprintf (s, "%s:%i (%s)", loc->get_trimmed_filename (),
+ loc->m_line, loc->m_function);
+
+ s[48] = '\0';
+
+ fprintf (stderr, "%-48s %10li:%5.1f%%%10li%10li:%5.1f%%%12li%12li%10s\n", s,
+ (long)m_allocated, get_percent (m_allocated, total.m_allocated),
+ (long)m_peak, (long)m_times,
+ get_percent (m_times, total.m_times),
+ (long)m_nsearches, (long)m_search_iter,
+ loc->m_ggc ? "ggc" : "heap");
+ }
+
+ /* Dump header with NAME. */
+ static inline void dump_header (const char *name)
+ {
+ fprintf (stderr, "%-48s %11s%16s%17s%12s%12s%10s\n", name, "Leak", "Peak",
+ "Times", "N searches", "Search iter", "Type");
+ print_dash_line ();
+ }
+
+ /* Number search operations. */
+ uint64_t m_nsearches;
+ /* Number of search iterations. */
+ uint64_t m_search_iter;
+};
+
+/* Bitmap memory description. */
+extern mem_alloc_description<bitmap_usage> bitmap_mem_desc;
/* Fundamental storage type for bitmap. */
rtx
gen_raw_REG (machine_mode mode, unsigned int regno)
{
- rtx x = rtx_alloc_stat (REG PASS_MEM_STAT);
+ rtx x = rtx_alloc_stat (REG MEM_STAT_INFO);
set_mode_and_regno (x, mode, regno);
REG_ATTRS (x) = NULL;
ORIGINAL_REGNO (x) = regno;
#include "errors.h"
#include "hashtab.h"
#include "hash-table.h"
+#include "inchash.h"
#include "hash-map.h"
#include "hash-set.h"
#include "vec.h"
#include \"rtl.h\"\n\
#include \"hash-set.h\"\n\
#include \"machmode.h\"\n\
+#include \"hash-map.h\"\n\
#include \"vec.h\"\n\
#include \"double-int.h\"\n\
#include \"input.h\"\n\
#include "plugin.h"
#include "vec.h"
#include "timevar.h"
+#include "mem-stats.h"
/* When set, ggc_collect will do collection. */
bool ggc_force_collect;
#endif
}
-/* Datastructure used to store per-call-site statistics. */
-struct ggc_loc_descriptor
+/* GGC memory usage. */
+struct ggc_usage: public mem_usage
{
- const char *file;
- int line;
- const char *function;
- int times;
- size_t allocated;
- size_t overhead;
- size_t freed;
- size_t collected;
-};
+ /* Default constructor. */
+ ggc_usage (): m_freed (0), m_collected (0), m_overhead (0) {}
+ /* Constructor. */
+ ggc_usage (size_t allocated, size_t times, size_t peak,
+ size_t freed, size_t collected, size_t overhead)
+ : mem_usage (allocated, times, peak),
+ m_freed (freed), m_collected (collected), m_overhead (overhead) {}
-/* Hash table helper. */
+ /* Comparison operator. */
+ inline bool operator< (const ggc_usage &second) const
+ {
+ return (get_balance () == second.get_balance () ?
+ (m_peak == second.m_peak ? m_times < second.m_times
+ : m_peak < second.m_peak)
+ : get_balance () < second.get_balance ());
+ }
-struct ggc_loc_desc_hasher : typed_noop_remove <ggc_loc_descriptor>
-{
- typedef ggc_loc_descriptor *value_type;
- typedef ggc_loc_descriptor *compare_type;
- static inline hashval_t hash (const ggc_loc_descriptor *);
- static inline bool equal (const ggc_loc_descriptor *,
- const ggc_loc_descriptor *);
-};
+ /* Register overhead of ALLOCATED and OVERHEAD bytes. */
+ inline void register_overhead (size_t allocated, size_t overhead)
+ {
+ m_allocated += allocated;
+ m_overhead += overhead;
+ m_times++;
+ }
-inline hashval_t
-ggc_loc_desc_hasher::hash (const ggc_loc_descriptor *d)
-{
- return htab_hash_pointer (d->function) | d->line;
-}
+ /* Release overhead of SIZE bytes. */
+ inline void release_overhead (size_t size)
+ {
+ m_freed += size;
+ }
-inline bool
-ggc_loc_desc_hasher::equal (const ggc_loc_descriptor *d,
- const ggc_loc_descriptor *d2)
-{
- return (d->file == d2->file && d->line == d2->line
- && d->function == d2->function);
-}
+ /* Sum the usage with SECOND usage. */
+ ggc_usage operator+ (const ggc_usage &second)
+ {
+ return ggc_usage (m_allocated + second.m_allocated,
+ m_times + second.m_times,
+ m_peak + second.m_peak,
+ m_freed + second.m_freed,
+ m_collected + second.m_collected,
+ m_overhead + second.m_overhead);
+ }
-/* Hashtable used for statistics. */
-static hash_table<ggc_loc_desc_hasher> *loc_hash;
+ /* Dump usage with PREFIX, where TOTAL is sum of all rows. */
+ inline void dump (const char *prefix, ggc_usage &total) const
+ {
+ long balance = get_balance ();
+ fprintf (stderr,
+ "%-48s %10li:%5.1f%%%10li:%5.1f%%"
+ "%10li:%5.1f%%%10li:%5.1f%%%10li\n",
+ prefix, (long)m_collected,
+ get_percent (m_collected, total.m_collected),
+ (long)m_freed, get_percent (m_freed, total.m_freed),
+ (long)balance, get_percent (balance, total.get_balance ()),
+ (long)m_overhead, get_percent (m_overhead, total.m_overhead),
+ (long)m_times);
+ }
-struct ggc_ptr_hash_entry
-{
- void *ptr;
- struct ggc_loc_descriptor *loc;
- size_t size;
-};
+ /* Dump usage coupled to LOC location, where TOTAL is sum of all rows. */
+ inline void dump (mem_location *loc, ggc_usage &total) const
+ {
+ char s[4096];
+ sprintf (s, "%s:%i (%s)", loc->get_trimmed_filename (),
+ loc->m_line, loc->m_function);
+ s[48] = '\0';
-/* Helper for ptr_hash table. */
+ dump (s, total);
+ }
-struct ptr_hash_hasher : typed_noop_remove <ggc_ptr_hash_entry>
-{
- typedef ggc_ptr_hash_entry *value_type;
- typedef void *compare_type;
- static inline hashval_t hash (const ggc_ptr_hash_entry *);
- static inline bool equal (const ggc_ptr_hash_entry *, const void *);
-};
+ /* Dump footer. */
+ inline void dump_footer ()
+ {
+ print_dash_line ();
+ dump ("Total", *this);
+ print_dash_line ();
+ }
-inline hashval_t
-ptr_hash_hasher::hash (const ggc_ptr_hash_entry *d)
-{
- return htab_hash_pointer (d->ptr);
-}
+ /* Get balance which is GGC allocation leak. */
+ inline long get_balance () const
+ {
+ return m_allocated + m_overhead - m_collected - m_freed;
+ }
-inline bool
-ptr_hash_hasher::equal (const ggc_ptr_hash_entry *p, const void *p2)
-{
- return (p->ptr == p2);
-}
+ typedef std::pair<mem_location *, ggc_usage *> mem_pair_t;
-/* Hashtable converting address of allocated field to loc descriptor. */
-static hash_table<ptr_hash_hasher> *ptr_hash;
+ /* Compare wrapper used by qsort method. */
+ static int compare (const void *first, const void *second)
+ {
+ const mem_pair_t f = *(const mem_pair_t *)first;
+ const mem_pair_t s = *(const mem_pair_t *)second;
-/* Return descriptor for given call site, create new one if needed. */
-static struct ggc_loc_descriptor *
-make_loc_descriptor (const char *name, int line, const char *function)
-{
- struct ggc_loc_descriptor loc;
- struct ggc_loc_descriptor **slot;
-
- loc.file = name;
- loc.line = line;
- loc.function = function;
- if (!loc_hash)
- loc_hash = new hash_table<ggc_loc_desc_hasher> (10);
-
- slot = loc_hash->find_slot (&loc, INSERT);
- if (*slot)
- return *slot;
- *slot = XCNEW (struct ggc_loc_descriptor);
- (*slot)->file = name;
- (*slot)->line = line;
- (*slot)->function = function;
- return *slot;
-}
+ return (*f.second) < (*s.second);
+ }
+
+ /* Compare rows in final GGC summary dump. */
+ static int compare_final (const void *first, const void *second)
+ { typedef std::pair<mem_location *, ggc_usage *> mem_pair_t;
+
+ const ggc_usage *f = ((const mem_pair_t *)first)->second;
+ const ggc_usage *s = ((const mem_pair_t *)second)->second;
+
+ size_t a = f->m_allocated + f->m_overhead - f->m_freed;
+ size_t b = s->m_allocated + s->m_overhead - s->m_freed;
+
+ return a == b ? 0 : (a < b ? 1 : -1);
+ }
+
+ /* Dump header with NAME. */
+ static inline void dump_header (const char *name)
+ {
+ fprintf (stderr, "%-48s %11s%17s%17s%16s%17s\n", name, "Garbage", "Freed",
+ "Leak", "Overhead", "Times");
+ print_dash_line ();
+ }
+
+ /* Freed memory in bytes. */
+ size_t m_freed;
+ /* Collected memory in bytes. */
+ size_t m_collected;
+ /* Overhead memory in bytes. */
+ size_t m_overhead;
+};
+
+/* GCC memory description. */
+static mem_alloc_description<ggc_usage> ggc_mem_desc;
+
+/* Dump per-site memory statistics. */
-/* Record ALLOCATED and OVERHEAD bytes to descriptor NAME:LINE (FUNCTION). */
void
-ggc_record_overhead (size_t allocated, size_t overhead, void *ptr,
- const char *name, int line, const char *function)
+dump_ggc_loc_statistics (bool final)
{
- struct ggc_loc_descriptor *loc = make_loc_descriptor (name, line, function);
- struct ggc_ptr_hash_entry *p = XNEW (struct ggc_ptr_hash_entry);
- ggc_ptr_hash_entry **slot;
-
- p->ptr = ptr;
- p->loc = loc;
- p->size = allocated + overhead;
- if (!ptr_hash)
- ptr_hash = new hash_table<ptr_hash_hasher> (10);
- slot = ptr_hash->find_slot_with_hash (ptr, htab_hash_pointer (ptr), INSERT);
- gcc_assert (!*slot);
- *slot = p;
-
- loc->times++;
- loc->allocated+=allocated;
- loc->overhead+=overhead;
-}
+ if (! GATHER_STATISTICS)
+ return;
-/* Helper function for prune_overhead_list. See if SLOT is still marked and
- remove it from hashtable if it is not. */
-int
-ggc_prune_ptr (ggc_ptr_hash_entry **slot, void *b ATTRIBUTE_UNUSED)
-{
- struct ggc_ptr_hash_entry *p = *slot;
- if (!ggc_marked_p (p->ptr))
- {
- p->loc->collected += p->size;
- ptr_hash->clear_slot (slot);
- free (p);
- }
- return 1;
+ ggc_force_collect = true;
+ ggc_collect ();
+
+ ggc_mem_desc.dump (GGC, final ? ggc_usage::compare_final : NULL);
+
+ ggc_force_collect = false;
}
-/* After live values has been marked, walk all recorded pointers and see if
- they are still live. */
+/* Record ALLOCATED and OVERHEAD bytes to descriptor NAME:LINE (FUNCTION). */
void
-ggc_prune_overhead_list (void)
+ggc_record_overhead (size_t allocated, size_t overhead, void *ptr MEM_STAT_DECL)
{
- ptr_hash->traverse <void *, ggc_prune_ptr> (NULL);
+ ggc_usage *usage = ggc_mem_desc.register_descriptor (ptr, GGC, false
+ FINAL_PASS_MEM_STAT);
+
+ ggc_mem_desc.register_object_overhead (usage, allocated + overhead, ptr);
+ usage->register_overhead (allocated, overhead);
}
/* Notice that the pointer has been freed. */
void
ggc_free_overhead (void *ptr)
{
- ggc_ptr_hash_entry **slot
- = ptr_hash->find_slot_with_hash (ptr, htab_hash_pointer (ptr), NO_INSERT);
- struct ggc_ptr_hash_entry *p;
- /* The pointer might be not found if a PCH read happened between allocation
- and ggc_free () call. FIXME: account memory properly in the presence of
- PCH. */
- if (!slot)
- return;
- p = (struct ggc_ptr_hash_entry *) *slot;
- p->loc->freed += p->size;
- ptr_hash->clear_slot (slot);
- free (p);
-}
-
-/* Helper for qsort; sort descriptors by amount of memory consumed. */
-static int
-final_cmp_statistic (const void *loc1, const void *loc2)
-{
- const struct ggc_loc_descriptor *const l1 =
- *(const struct ggc_loc_descriptor *const *) loc1;
- const struct ggc_loc_descriptor *const l2 =
- *(const struct ggc_loc_descriptor *const *) loc2;
- long diff;
- diff = ((long)(l1->allocated + l1->overhead - l1->freed) -
- (l2->allocated + l2->overhead - l2->freed));
- return diff > 0 ? 1 : diff < 0 ? -1 : 0;
+ ggc_mem_desc.release_object_overhead (ptr);
}
-/* Helper for qsort; sort descriptors by amount of memory consumed. */
-static int
-cmp_statistic (const void *loc1, const void *loc2)
-{
- const struct ggc_loc_descriptor *const l1 =
- *(const struct ggc_loc_descriptor *const *) loc1;
- const struct ggc_loc_descriptor *const l2 =
- *(const struct ggc_loc_descriptor *const *) loc2;
- long diff;
-
- diff = ((long)(l1->allocated + l1->overhead - l1->freed - l1->collected) -
- (l2->allocated + l2->overhead - l2->freed - l2->collected));
- if (diff)
- return diff > 0 ? 1 : diff < 0 ? -1 : 0;
- diff = ((long)(l1->allocated + l1->overhead - l1->freed) -
- (l2->allocated + l2->overhead - l2->freed));
- return diff > 0 ? 1 : diff < 0 ? -1 : 0;
-}
-
-/* Collect array of the descriptors from hashtable. */
-static struct ggc_loc_descriptor **loc_array;
-int
-ggc_add_statistics (ggc_loc_descriptor **slot, int *n)
-{
- loc_array[*n] = *slot;
- (*n)++;
- return 1;
-}
-
-/* Dump per-site memory statistics. */
-
+/* After live values has been marked, walk all recorded pointers and see if
+ they are still live. */
void
-dump_ggc_loc_statistics (bool final)
+ggc_prune_overhead_list (void)
{
- int nentries = 0;
- char s[4096];
- size_t collected = 0, freed = 0, allocated = 0, overhead = 0, times = 0;
- int i;
+ typedef hash_map<const void *, std::pair<ggc_usage *, size_t > > map_t;
- if (! GATHER_STATISTICS)
- return;
+ map_t::iterator it = ggc_mem_desc.m_reverse_object_map->begin ();
- ggc_force_collect = true;
- ggc_collect ();
+ for (; it != ggc_mem_desc.m_reverse_object_map->end (); ++it)
+ if (!ggc_marked_p ((*it).first))
+ (*it).second.first->m_collected += (*it).second.second;
- loc_array = XCNEWVEC (struct ggc_loc_descriptor *,
- loc_hash->elements_with_deleted ());
- fprintf (stderr, "-------------------------------------------------------\n");
- fprintf (stderr, "\n%-48s %10s %10s %10s %10s %10s\n",
- "source location", "Garbage", "Freed", "Leak", "Overhead", "Times");
- fprintf (stderr, "-------------------------------------------------------\n");
- loc_hash->traverse <int *, ggc_add_statistics> (&nentries);
- qsort (loc_array, nentries, sizeof (*loc_array),
- final ? final_cmp_statistic : cmp_statistic);
- for (i = 0; i < nentries; i++)
- {
- struct ggc_loc_descriptor *d = loc_array[i];
- allocated += d->allocated;
- times += d->times;
- freed += d->freed;
- collected += d->collected;
- overhead += d->overhead;
- }
- for (i = 0; i < nentries; i++)
- {
- struct ggc_loc_descriptor *d = loc_array[i];
- if (d->allocated)
- {
- const char *s1 = d->file;
- const char *s2;
- while ((s2 = strstr (s1, "gcc/")))
- s1 = s2 + 4;
- sprintf (s, "%s:%i (%s)", s1, d->line, d->function);
- s[48] = 0;
- fprintf (stderr, "%-48s %10li:%4.1f%% %10li:%4.1f%% %10li:%4.1f%% %10li:%4.1f%% %10li\n", s,
- (long)d->collected,
- (d->collected) * 100.0 / collected,
- (long)d->freed,
- (d->freed) * 100.0 / freed,
- (long)(d->allocated + d->overhead - d->freed - d->collected),
- (d->allocated + d->overhead - d->freed - d->collected) * 100.0
- / (allocated + overhead - freed - collected),
- (long)d->overhead,
- d->overhead * 100.0 / overhead,
- (long)d->times);
- }
- }
- fprintf (stderr, "%-48s %10ld %10ld %10ld %10ld %10ld\n",
- "Total", (long)collected, (long)freed,
- (long)(allocated + overhead - freed - collected), (long)overhead,
- (long)times);
- fprintf (stderr, "%-48s %10s %10s %10s %10s %10s\n",
- "source location", "Garbage", "Freed", "Leak", "Overhead", "Times");
- fprintf (stderr, "-------------------------------------------------------\n");
- ggc_force_collect = false;
+ delete ggc_mem_desc.m_reverse_object_map;
+ ggc_mem_desc.m_reverse_object_map = new map_t (13, false, false);
}
--- /dev/null
+/* A hash map traits.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef HASH_MAP_TRAITS_H
+#define HASH_MAP_TRAITS_H
+
+/* Bacause mem-stats.h uses default hashmap traits, we have to
+ put the class to this separate header file. */
+
+/* implement default behavior for traits when types allow it. */
+
+struct default_hashmap_traits
+{
+ /* Hashes the passed in key. */
+
+ template<typename T>
+ static hashval_t
+ hash (T *p)
+ {
+ return uintptr_t (p) >> 3;
+ }
+
+ /* If the value converts to hashval_t just use it. */
+
+ template<typename T> static hashval_t hash (T v) { return v; }
+
+ /* Return true if the two keys passed as arguments are equal. */
+
+ template<typename T>
+ static bool
+ equal_keys (const T &a, const T &b)
+ {
+ return a == b;
+ }
+
+ /* Called to dispose of the key and value before marking the entry as
+ deleted. */
+
+ template<typename T> static void remove (T &v) { v.~T (); }
+
+ /* Mark the passed in entry as being deleted. */
+
+ template<typename T>
+ static void
+ mark_deleted (T &e)
+ {
+ mark_key_deleted (e.m_key);
+ }
+
+ /* Mark the passed in entry as being empty. */
+
+ template<typename T>
+ static void
+ mark_empty (T &e)
+ {
+ mark_key_empty (e.m_key);
+ }
+
+ /* Return true if the passed in entry is marked as deleted. */
+
+ template<typename T>
+ static bool
+ is_deleted (T &e)
+ {
+ return e.m_key == (void *)1;
+ }
+
+ /* Return true if the passed in entry is marked as empty. */
+
+ template<typename T> static bool is_empty (T &e) { return e.m_key == NULL; }
+
+private:
+ template<typename T>
+ static void
+ mark_key_deleted (T *&k)
+ {
+ k = reinterpret_cast<T *> (1);
+ }
+
+ template<typename T>
+ static void
+ mark_key_empty (T *&k)
+ {
+ k = static_cast<T *> (0);
+ }
+};
+
+#endif // HASH_MAP_TRAITS_H
#include <new>
#include <utility>
#include "hash-table.h"
-
-/* implement default behavior for traits when types allow it. */
-
-struct default_hashmap_traits
-{
- /* Hashes the passed in key. */
-
- template<typename T>
- static hashval_t
- hash (T *p)
- {
- return uintptr_t(p) >> 3;
- }
-
- /* If the value converts to hashval_t just use it. */
-
- template<typename T> static hashval_t hash (T v) { return v; }
-
- /* Return true if the two keys passed as arguments are equal. */
-
- template<typename T>
- static bool
- equal_keys (const T &a, const T &b)
- {
- return a == b;
- }
-
- /* Called to dispose of the key and value before marking the entry as
- deleted. */
-
- template<typename T> static void remove (T &v) { v.~T (); }
-
- /* Mark the passed in entry as being deleted. */
-
- template<typename T>
- static void
- mark_deleted (T &e)
- {
- mark_key_deleted (e.m_key);
- }
-
- /* Mark the passed in entry as being empty. */
-
- template<typename T>
- static void
- mark_empty (T &e)
- {
- mark_key_empty (e.m_key);
- }
-
- /* Return true if the passed in entry is marked as deleted. */
-
- template<typename T>
- static bool
- is_deleted (T &e)
- {
- return e.m_key == (void *)1;
- }
-
- /* Return true if the passed in entry is marked as empty. */
-
- template<typename T> static bool is_empty (T &e) { return e.m_key == NULL; }
-
-private:
- template<typename T>
- static void
- mark_key_deleted (T *&k)
- {
- k = reinterpret_cast<T *> (1);
- }
-
- template<typename T>
- static void
- mark_key_empty (T *&k)
- {
- k = static_cast<T *> (0);
- }
-};
+#include "hash-map-traits.h"
+#include "mem-stats.h"
+#include "vec.h"
template<typename Key, typename Value,
- typename Traits = default_hashmap_traits>
+ typename Traits>
class GTY((user)) hash_map
{
struct hash_entry
};
public:
- explicit hash_map (size_t n = 13, bool ggc = false) : m_table (n, ggc) {}
+ explicit hash_map (size_t n = 13, bool ggc = false,
+ bool gather_mem_stats = true CXX_MEM_STAT_INFO)
+ : m_table (n, ggc, gather_mem_stats, HASH_MAP PASS_MEM_STAT) {}
/* Create a hash_map in ggc memory. */
- static hash_map *create_ggc (size_t size)
+ static hash_map *create_ggc (size_t size, bool gather_mem_stats = true
+ CXX_MEM_STAT_INFO)
{
hash_map *map = ggc_alloc<hash_map> ();
- new (map) hash_map (size, true);
+ new (map) hash_map (size, true, gather_mem_stats PASS_MEM_STAT);
return map;
}
static hashval_t
hash (T *p)
{
- return uintptr_t(p) >> 3;
+ return uintptr_t (p) >> 3;
}
template<typename T> static hashval_t hash(const T &v) { return v; }
};
public:
- explicit hash_set (size_t n = 13, bool ggc = false) : m_table (n, ggc) {}
+ explicit hash_set (size_t n = 13, bool ggc = false CXX_MEM_STAT_INFO)
+ : m_table (n, ggc, true, HASH_SET PASS_MEM_STAT) {}
/* Create a hash_set in gc memory with space for at least n elements. */
#include "coretypes.h"
#include "hash-table.h"
-
/* Table of primes and multiplicative inverses.
Note that these are not minimally reduced inverses. Unlike when generating
return low;
}
+mem_alloc_description<mem_usage> hash_table_usage;
+
+/* Support function for statistics. */
+void dump_hash_table_loc_statistics (void)
+{
+ for (unsigned i = HASH_TABLE; i <= HASH_SET; i++)
+ {
+ mem_alloc_origin origin = (mem_alloc_origin) i;
+ hash_table_usage.dump (origin);
+ }
+}
+
#include "ggc.h"
#include "hashtab.h"
#include <new>
+#include "mem-stats-traits.h"
template<typename, typename, typename> class hash_map;
template<typename, typename> class hash_set;
}
};
+class mem_usage;
+
/* User-facing hash table type.
The table stores elements of type Descriptor::value_type.
typedef typename Descriptor::compare_type compare_type;
public:
- explicit hash_table (size_t, bool ggc = false CXX_MEM_STAT_INFO);
+ explicit hash_table (size_t, bool ggc = false, bool gather_mem_stats = true,
+ mem_alloc_origin origin = HASH_TABLE
+ CXX_MEM_STAT_INFO);
~hash_table ();
/* Create a hash_table in gc memory. */
static hash_table *
- create_ggc (size_t n)
+ create_ggc (size_t n CXX_MEM_STAT_INFO)
{
hash_table *table = ggc_alloc<hash_table> ();
- new (table) hash_table (n, true);
+ new (table) hash_table (n, true, true, HASH_TABLE PASS_MEM_STAT);
return table;
}
/* if m_entries is stored in ggc memory. */
bool m_ggc;
+
+ /* If we should gather memory statistics for the table. */
+ bool m_gather_mem_stats;
};
+/* As mem-stats.h heavily utilizes hash maps (hash tables), we have to include
+ mem-stats.h after hash_table declaration. */
+
+#include "mem-stats.h"
+#include "hash-map.h"
+#include "vec.h"
+
+extern mem_alloc_description<mem_usage> hash_table_usage;
+
+/* Support function for statistics. */
+extern void dump_hash_table_loc_statistics (void);
+
template<typename Descriptor, template<typename Type> class Allocator>
-hash_table<Descriptor, Allocator>::hash_table (size_t size, bool ggc
- MEM_STAT_DECL) :
+hash_table<Descriptor, Allocator>::hash_table (size_t size, bool ggc, bool
+ gather_mem_stats,
+ mem_alloc_origin origin
+ MEM_STAT_DECL) :
m_n_elements (0), m_n_deleted (0), m_searches (0), m_collisions (0),
- m_ggc (ggc)
+ m_ggc (ggc), m_gather_mem_stats (gather_mem_stats)
{
unsigned int size_prime_index;
size_prime_index = hash_table_higher_prime_index (size);
size = prime_tab[size_prime_index].prime;
+ if (m_gather_mem_stats)
+ hash_table_usage.register_descriptor (this, origin, ggc
+ FINAL_PASS_MEM_STAT);
+
m_entries = alloc_entries (size PASS_MEM_STAT);
m_size = size;
m_size_prime_index = size_prime_index;
Allocator <value_type> ::data_free (m_entries);
else
ggc_free (m_entries);
+
+ if (m_gather_mem_stats)
+ hash_table_usage.release_instance_overhead (this,
+ sizeof (value_type) * m_size,
+ true);
}
/* This function returns an array of empty hash table elements. */
{
value_type *nentries;
+ if (m_gather_mem_stats)
+ hash_table_usage.register_instance_overhead (sizeof (value_type) * n, this);
+
if (!m_ggc)
nentries = Allocator <value_type> ::data_alloc (n);
else
}
value_type *nentries = alloc_entries (nsize);
+
+ if (m_gather_mem_stats)
+ hash_table_usage.release_instance_overhead (this, sizeof (value_type)
+ * osize);
+
m_entries = nentries;
m_size = nsize;
m_size_prime_index = nindex;
#include "coretypes.h"
#include "hashtab.h"
#include "inchash.h"
-
-/* Borrowed from hashtab.c iterative_hash implementation. */
-#define mix(a,b,c) \
-{ \
- a -= b; a -= c; a ^= (c>>13); \
- b -= c; b -= a; b ^= (a<< 8); \
- c -= a; c -= b; c ^= ((b&0xffffffff)>>13); \
- a -= b; a -= c; a ^= ((c&0xffffffff)>>12); \
- b -= c; b -= a; b = (b ^ (a<<16)) & 0xffffffff; \
- c -= a; c -= b; c = (c ^ (b>> 5)) & 0xffffffff; \
- a -= b; a -= c; a = (a ^ (c>> 3)) & 0xffffffff; \
- b -= c; b -= a; b = (b ^ (a<<10)) & 0xffffffff; \
- c -= a; c -= b; c = (c ^ (b>>15)) & 0xffffffff; \
-}
-
-
-/* Produce good hash value combining VAL and VAL2. */
-hashval_t
-iterative_hash_hashval_t (hashval_t val, hashval_t val2)
-{
- /* the golden ratio; an arbitrary value. */
- hashval_t a = 0x9e3779b9;
-
- mix (a, val, val2);
- return val2;
-}
-
-/* Produce good hash value combining VAL and VAL2. */
-
-hashval_t
-iterative_hash_host_wide_int (HOST_WIDE_INT val, hashval_t val2)
-{
- if (sizeof (HOST_WIDE_INT) == sizeof (hashval_t))
- return iterative_hash_hashval_t (val, val2);
- else
- {
- hashval_t a = (hashval_t) val;
- /* Avoid warnings about shifting of more than the width of the type on
- hosts that won't execute this path. */
- int zero = 0;
- hashval_t b = (hashval_t) (val >> (sizeof (hashval_t) * 8 + zero));
- mix (a, b, val2);
- if (sizeof (HOST_WIDE_INT) > 2 * sizeof (hashval_t))
- {
- hashval_t a = (hashval_t) (val >> (sizeof (hashval_t) * 16 + zero));
- hashval_t b = (hashval_t) (val >> (sizeof (hashval_t) * 24 + zero));
- mix (a, b, val2);
- }
- return val2;
- }
-}
Currently it just implements the plain old jhash based
incremental hash from gcc's tree.c. */
-extern hashval_t iterative_hash_host_wide_int (HOST_WIDE_INT, hashval_t);
-extern hashval_t iterative_hash_hashval_t (hashval_t, hashval_t);
+hashval_t iterative_hash_host_wide_int (HOST_WIDE_INT, hashval_t);
+hashval_t iterative_hash_hashval_t (hashval_t, hashval_t);
namespace inchash
{
}
/* Hash in pointer PTR. */
- void add_ptr (void *ptr)
+ void add_ptr (const void *ptr)
{
add (&ptr, sizeof (ptr));
}
{
if (a.end() > b.end())
{
- merge (b);
+ merge (b);
merge (a);
}
else
{
- merge (a);
- merge (b);
+ merge (a);
+ merge (b);
}
}
}
+/* Borrowed from hashtab.c iterative_hash implementation. */
+#define mix(a,b,c) \
+{ \
+ a -= b; a -= c; a ^= (c>>13); \
+ b -= c; b -= a; b ^= (a<< 8); \
+ c -= a; c -= b; c ^= ((b&0xffffffff)>>13); \
+ a -= b; a -= c; a ^= ((c&0xffffffff)>>12); \
+ b -= c; b -= a; b = (b ^ (a<<16)) & 0xffffffff; \
+ c -= a; c -= b; c = (c ^ (b>> 5)) & 0xffffffff; \
+ a -= b; a -= c; a = (a ^ (c>> 3)) & 0xffffffff; \
+ b -= c; b -= a; b = (b ^ (a<<10)) & 0xffffffff; \
+ c -= a; c -= b; c = (c ^ (b>>15)) & 0xffffffff; \
+}
+
+
+/* Produce good hash value combining VAL and VAL2. */
+inline
+hashval_t
+iterative_hash_hashval_t (hashval_t val, hashval_t val2)
+{
+ /* the golden ratio; an arbitrary value. */
+ hashval_t a = 0x9e3779b9;
+
+ mix (a, val, val2);
+ return val2;
+}
+
+/* Produce good hash value combining VAL and VAL2. */
+
+inline
+hashval_t
+iterative_hash_host_wide_int (HOST_WIDE_INT val, hashval_t val2)
+{
+ if (sizeof (HOST_WIDE_INT) == sizeof (hashval_t))
+ return iterative_hash_hashval_t (val, val2);
+ else
+ {
+ hashval_t a = (hashval_t) val;
+ /* Avoid warnings about shifting of more than the width of the type on
+ hosts that won't execute this path. */
+ int zero = 0;
+ hashval_t b = (hashval_t) (val >> (sizeof (hashval_t) * 8 + zero));
+ mix (a, b, val2);
+ if (sizeof (HOST_WIDE_INT) > 2 * sizeof (hashval_t))
+ {
+ hashval_t a = (hashval_t) (val >> (sizeof (hashval_t) * 16 + zero));
+ hashval_t b = (hashval_t) (val >> (sizeof (hashval_t) * 24 + zero));
+ mix (a, b, val2);
+ }
+ return val2;
+ }
+}
+
#endif
--- /dev/null
+#ifndef GCC_MEM_STATS_TRAITS_H
+#define GCC_MEM_STATS_TRAITS_H
+
+/* Memory allocation origin. */
+enum mem_alloc_origin
+{
+ HASH_TABLE,
+ HASH_MAP,
+ HASH_SET,
+ VEC,
+ BITMAP,
+ GGC,
+ MEM_ALLOC_ORIGIN_LENGTH
+};
+
+/* Verbose names of the memory allocation origin. */
+static const char * mem_alloc_origin_names[] = { "Hash tables", "Hash maps",
+ "Hash sets", "Heap vectors", "Bitmaps", "GGC memory" };
+
+#endif // GCC_MEM_STATS_TRAITS_H
--- /dev/null
+#ifndef GCC_MEM_STATS_H
+#define GCC_MEM_STATS_H
+
+#include "hash-map-traits.h"
+#include "inchash.h"
+#include "mem-stats-traits.h"
+#include "vec.h"
+
+/* Forward declaration. */
+template<typename Key, typename Value,
+ typename Traits = default_hashmap_traits>
+class hash_map;
+
+/* Memory allocation location. */
+struct mem_location
+{
+ /* Default constructor. */
+ inline mem_location () {}
+
+ /* Constructor. */
+ inline mem_location (const char *filename, const char *function, int line,
+ mem_alloc_origin origin, bool ggc):
+ m_filename (filename), m_function (function), m_line (line), m_origin
+ (origin), m_ggc (ggc) {}
+
+ /* Compute hash value based on file name, function name and line in
+ source code. As there is just a single pointer registered for every
+ constant that points to e.g. the same file name, we can use hash
+ of the pointer. */
+ hashval_t hash ()
+ {
+ inchash::hash hash;
+
+ hash.add_ptr (m_filename);
+ hash.add_ptr (m_function);
+ hash.add_int (m_line);
+
+ return hash.end ();
+ }
+
+ /* Return true if the memory location is equal to OTHER. */
+ int equal (mem_location &other)
+ {
+ return m_filename == other.m_filename && m_function == other.m_function
+ && m_line == other.m_line;
+ }
+
+ /* Return trimmed filename for the location. */
+ inline const char *get_trimmed_filename ()
+ {
+ const char *s1 = m_filename;
+ const char *s2;
+
+ while ((s2 = strstr (s1, "gcc/")))
+ s1 = s2 + 4;
+
+ return s1;
+ }
+
+ /* Return display name associated to ORIGIN type. */
+ static const char *get_origin_name (mem_alloc_origin origin)
+ {
+ return mem_alloc_origin_names[(unsigned) origin];
+ }
+
+ /* File name of source code. */
+ const char *m_filename;
+ /* Funcation name. */
+ const char *m_function;
+ /* Line number in source code. */
+ int m_line;
+ /* Origin type. */
+ mem_alloc_origin m_origin;
+ /* Flag if used by GGC allocation. */
+ bool m_ggc;
+};
+
+/* Memory usage register to a memory location. */
+struct mem_usage
+{
+ /* Default constructor. */
+ mem_usage (): m_allocated (0), m_times (0), m_peak (0) {}
+
+ /* Constructor. */
+ mem_usage (size_t allocated, size_t times, size_t peak):
+ m_allocated (allocated), m_times (times), m_peak (peak) {}
+
+ /* Register overhead of SIZE bytes. */
+ inline void register_overhead (size_t size)
+ {
+ m_allocated += size;
+ m_times++;
+
+ if (m_peak < m_allocated)
+ m_peak = m_allocated;
+ }
+
+ /* Release overhead of SIZE bytes. */
+ inline void release_overhead (size_t size)
+ {
+ gcc_assert (size <= m_allocated);
+
+ m_allocated -= size;
+ }
+
+ /* Sum the usage with SECOND usage. */
+ mem_usage operator+ (const mem_usage &second)
+ {
+ return mem_usage (m_allocated + second.m_allocated,
+ m_times + second.m_times,
+ m_peak + second.m_peak);
+ }
+
+ /* Comparison operator. */
+ inline bool operator< (const mem_usage &second) const
+ {
+ return (m_allocated == second.m_allocated ?
+ (m_peak == second.m_peak ? m_times < second.m_times
+ : m_peak < second.m_peak) : m_allocated < second.m_allocated);
+ }
+
+ /* Compare wrapper used by qsort method. */
+ static int compare (const void *first, const void *second)
+ {
+ typedef std::pair<mem_location *, mem_usage *> mem_pair_t;
+
+ const mem_pair_t f = *(const mem_pair_t *)first;
+ const mem_pair_t s = *(const mem_pair_t *)second;
+
+ return (*f.second) < (*s.second);
+ }
+
+ /* Dump usage coupled to LOC location, where TOTAL is sum of all rows. */
+ inline void dump (mem_location *loc, mem_usage &total) const
+ {
+ char s[4096];
+ sprintf (s, "%s:%i (%s)", loc->get_trimmed_filename (),
+ loc->m_line, loc->m_function);
+
+ s[48] = '\0';
+
+ fprintf (stderr, "%-48s %10li:%5.1f%%%10li%10li:%5.1f%%%10s\n", s,
+ (long)m_allocated, get_percent (m_allocated, total.m_allocated),
+ (long)m_peak, (long)m_times,
+ get_percent (m_times, total.m_times), loc->m_ggc ? "ggc" : "heap");
+ }
+
+ /* Dump footer. */
+ inline void dump_footer ()
+ {
+ print_dash_line ();
+ fprintf (stderr, "%s%54li%27li\n", "Total", (long)m_allocated,
+ (long)m_times);
+ print_dash_line ();
+ }
+
+ /* Return fraction of NOMINATOR and DENOMINATOR in percent. */
+ static inline float get_percent (size_t nominator, size_t denominator)
+ {
+ return denominator == 0 ? 0.0f : nominator * 100.0 / denominator;
+ }
+
+ /* Print line made of dashes. */
+ static inline void print_dash_line ()
+ {
+ fprintf (stderr, "%s\n", std::string (128, '-').c_str ());
+ }
+
+ /* Dump header with NAME. */
+ static inline void dump_header (const char *name)
+ {
+ fprintf (stderr, "%-48s %11s%16s%10s%17s\n", name, "Leak", "Peak",
+ "Times", "Type");
+ print_dash_line ();
+ }
+
+ /* Current number of allocated bytes. */
+ size_t m_allocated;
+ /* Number of allocations. */
+ size_t m_times;
+ /* Peak allocation in bytes. */
+ size_t m_peak;
+};
+
+/* Memory usage pair that connectes memory usage and number
+ of allocated bytes. */
+template <class T>
+struct mem_usage_pair
+{
+ mem_usage_pair (T *usage_, size_t allocated_): usage (usage_),
+ allocated (allocated_) {}
+
+ T *usage;
+ size_t allocated;
+};
+
+/* Memory allocation description. */
+template <class T>
+class mem_alloc_description
+{
+public:
+ struct mem_alloc_hashmap_traits: default_hashmap_traits
+ {
+ static hashval_t
+ hash (const mem_location *l)
+ {
+ inchash::hash hstate;
+
+ hstate.add_ptr ((const void *)l->m_filename);
+ hstate.add_ptr (l->m_function);
+ hstate.add_int (l->m_line);
+
+ return hstate.end ();
+ }
+
+ static bool
+ equal_keys (const mem_location *l1, const mem_location *l2)
+ {
+ return l1->m_filename == l2->m_filename
+ && l1->m_function == l2->m_function
+ && l1->m_line == l2->m_line;
+ }
+ };
+
+ /* Internal class type definitions. */
+ typedef hash_map <mem_location *, T *, mem_alloc_hashmap_traits> mem_map_t;
+ typedef hash_map <const void *, mem_usage_pair<T>, default_hashmap_traits>
+ reverse_mem_map_t;
+ typedef hash_map <const void *, std::pair<T *, size_t> > reverse_object_map_t;
+ typedef std::pair <mem_location *, T *> mem_list_t;
+
+ /* Default contructor. */
+ mem_alloc_description ();
+
+ /* Default destructor. */
+ ~mem_alloc_description ();
+
+ /* Returns true if instance PTR is registered by the memory description. */
+ bool contains_descriptor_for_instance (const void *ptr);
+
+ /* Return descriptor for instance PTR. */
+ T *get_descriptor_for_instance (const void *ptr);
+
+ /* Register memory allocation descriptor for container PTR. ORIGIN identifies
+ type of container and GGC identifes if the allocation is handled in GGC
+ memory. Each location is identified by file NAME, LINE in source code and
+ FUNCTION name. */
+ T *register_descriptor (const void *ptr, mem_alloc_origin origin,
+ bool ggc, const char *name, int line,
+ const char *function);
+
+ /* Register instance overhead identified by PTR pointer. Allocation takes
+ SIZE bytes. */
+ T *register_instance_overhead (size_t size, const void *ptr);
+
+ /* For containers (and GGC) where we want to track every instance object,
+ we register allocation of SIZE bytes, identified by PTR pointer, belonging
+ to USAGE descriptor. */
+ void register_object_overhead (T *usage, size_t size, const void *ptr);
+
+ /* Release PTR pointer of SIZE bytes. If REMOVE_FROM_MAP is set to true,
+ remove the instance from reverse map. */
+ void release_instance_overhead (void *ptr, size_t size,
+ bool remove_from_map = false);
+
+ /* Release intance object identified by PTR pointer. */
+ void release_object_overhead (void *ptr);
+
+ /* Get sum value for ORIGIN type of allocation for the descriptor. */
+ T get_sum (mem_alloc_origin origin);
+
+ /* Get all tracked instances registered by the description. Items
+ are filtered by ORIGIN type, LENGTH is return value where we register
+ the number of elements in the list. If we want to process custom order,
+ CMP comparator can be provided. */
+ mem_list_t *get_list (mem_alloc_origin origin, unsigned *length,
+ int (*cmp) (const void *first, const void *second)
+ = NULL);
+
+ /* Dump all tracked instances of type ORIGIN. If we want to process custom
+ order, CMP comparator can be provided. */
+ void dump (mem_alloc_origin origin,
+ int (*cmp) (const void *first, const void *second) = NULL);
+
+ /* Reverse object map used for every object allocation mapping. */
+ reverse_object_map_t *m_reverse_object_map;
+
+private:
+ /* Register overhead of SIZE bytes of ORIGIN type. PTR pointer is allocated
+ in NAME source file, at LINE in source code, in FUNCTION. */
+ T *register_overhead (size_t size, mem_alloc_origin origin, const char *name,
+ int line, const char *function, const void *ptr);
+
+ /* Allocation location coupled to the description. */
+ mem_location m_location;
+
+ /* Location to usage mapping. */
+ mem_map_t *m_map;
+
+ /* Reverse pointer to usage mapping. */
+ reverse_mem_map_t *m_reverse_map;
+};
+
+#include "hash-map.h"
+
+/* Returns true if instance PTR is registered by the memory description. */
+
+template <class T>
+inline bool
+mem_alloc_description<T>::contains_descriptor_for_instance (const void *ptr)
+{
+ return m_reverse_map->get (ptr);
+}
+
+/* Return descriptor for instance PTR. */
+
+template <class T>
+inline T*
+mem_alloc_description<T>::get_descriptor_for_instance (const void *ptr)
+{
+ return m_reverse_map->get (ptr) ? (*m_reverse_map->get (ptr)).usage : NULL;
+}
+
+/* Register memory allocation descriptor for container PTR. ORIGIN identifies
+ type of container and GGC identifes if the allocation is handled in GGC
+ memory. Each location is identified by file NAME, LINE in source code and
+ FUNCTION name. */
+
+template <class T>
+inline T*
+mem_alloc_description<T>::register_descriptor (const void *ptr,
+ mem_alloc_origin origin,
+ bool ggc,
+ const char *filename,
+ int line,
+ const char *function)
+{
+ mem_location *l = new mem_location (filename, function, line, origin, ggc);
+ T *usage = NULL;
+
+ T **slot = m_map->get (l);
+ if (slot)
+ {
+ delete l;
+ usage = *slot;
+ }
+ else
+ {
+ usage = new T ();
+ m_map->put (l, usage);
+ }
+
+ if (!m_reverse_map->get (ptr))
+ m_reverse_map->put (ptr, mem_usage_pair<T> (usage, 0));
+
+ return usage;
+}
+
+/* Register instance overhead identified by PTR pointer. Allocation takes
+ SIZE bytes. */
+
+template <class T>
+inline T*
+mem_alloc_description<T>::register_instance_overhead (size_t size,
+ const void *ptr)
+{
+ mem_usage_pair <T> *slot = m_reverse_map->get (ptr);
+ if (!slot)
+ {
+ /* Due to PCH, it can really happen. */
+ return NULL;
+ }
+
+ T *usage = (*slot).usage;
+ usage->register_overhead (size);
+
+ return usage;
+}
+
+/* For containers (and GGC) where we want to track every instance object,
+ we register allocation of SIZE bytes, identified by PTR pointer, belonging
+ to USAGE descriptor. */
+
+template <class T>
+void
+mem_alloc_description<T>::register_object_overhead (T *usage, size_t size,
+ const void *ptr)
+{
+ /* In case of GGC, it is possible to have already occupied the memory
+ location. */
+ m_reverse_object_map->put (ptr, std::pair<T *, size_t> (usage, size));
+}
+
+/* Register overhead of SIZE bytes of ORIGIN type. PTR pointer is allocated
+ in NAME source file, at LINE in source code, in FUNCTION. */
+
+template <class T>
+inline T*
+mem_alloc_description<T>::register_overhead (size_t size,
+ mem_alloc_origin origin,
+ const char *filename,
+ int line,
+ const char *function,
+ const void *ptr)
+{
+ T *usage = register_descriptor (ptr, origin, filename, line, function);
+ usage->register_overhead (size);
+
+ return usage;
+}
+
+/* Release PTR pointer of SIZE bytes. */
+
+template <class T>
+inline void
+mem_alloc_description<T>::release_instance_overhead (void *ptr, size_t size,
+ bool remove_from_map)
+{
+ mem_usage_pair<T> *slot = m_reverse_map->get (ptr);
+
+ if (!slot)
+ {
+ /* Due to PCH, it can really happen. */
+ return;
+ }
+
+ mem_usage_pair<T> usage_pair = *slot;
+ usage_pair.usage->release_overhead (size);
+
+ if (remove_from_map)
+ m_reverse_map->remove (ptr);
+}
+
+/* Release intance object identified by PTR pointer. */
+
+template <class T>
+inline void
+mem_alloc_description<T>::release_object_overhead (void *ptr)
+{
+ std::pair <T *, size_t> *entry = m_reverse_object_map->get (ptr);
+ if (entry)
+ {
+ entry->first->release_overhead (entry->second);
+ m_reverse_object_map->remove (ptr);
+ }
+}
+
+/* Default contructor. */
+
+template <class T>
+inline
+mem_alloc_description<T>::mem_alloc_description ()
+{
+ m_map = new mem_map_t (13, false, false);
+ m_reverse_map = new reverse_mem_map_t (13, false, false);
+ m_reverse_object_map = new reverse_object_map_t (13, false, false);
+}
+
+/* Default destructor. */
+
+template <class T>
+inline
+mem_alloc_description<T>::~mem_alloc_description ()
+{
+ for (typename mem_map_t::iterator it = m_map->begin (); it != m_map->end ();
+ ++it)
+ {
+ delete (*it).first;
+ delete (*it).second;
+ }
+
+ delete m_map;
+ delete m_reverse_map;
+ delete m_reverse_object_map;
+}
+
+/* Get all tracked instances registered by the description. Items are filtered
+ by ORIGIN type, LENGTH is return value where we register the number of
+ elements in the list. If we want to process custom order, CMP comparator
+ can be provided. */
+
+template <class T>
+inline
+typename mem_alloc_description<T>::mem_list_t *
+mem_alloc_description<T>::get_list (mem_alloc_origin origin, unsigned *length,
+ int (*cmp) (const void *first, const void *second))
+{
+ /* vec data structure is not used because all vectors generate memory
+ allocation info a it would create a cycle. */
+ size_t element_size = sizeof (mem_list_t);
+ mem_list_t *list = XCNEWVEC (mem_list_t, m_map->elements ());
+ unsigned i = 0;
+
+ for (typename mem_map_t::iterator it = m_map->begin (); it != m_map->end ();
+ ++it)
+ if ((*it).first->m_origin == origin)
+ list[i++] = std::pair<mem_location*, T*> (*it);
+
+ qsort (list, i, element_size, cmp == NULL ? T::compare : cmp);
+ *length = i;
+
+ return list;
+}
+
+/* Get sum value for ORIGIN type of allocation for the descriptor. */
+
+template <class T>
+inline T
+mem_alloc_description<T>::get_sum (mem_alloc_origin origin)
+{
+ unsigned length;
+ mem_list_t *list = get_list (origin, &length);
+ T sum;
+
+ for (unsigned i = 0; i < length; i++)
+ sum = sum + *list[i].second;
+
+ XDELETEVEC (list);
+
+ return sum;
+}
+
+/* Dump all tracked instances of type ORIGIN. If we want to process custom
+ order, CMP comparator can be provided. */
+
+template <class T>
+inline void
+mem_alloc_description<T>::dump (mem_alloc_origin origin,
+ int (*cmp) (const void *first,
+ const void *second))
+{
+ unsigned length;
+
+ fprintf (stderr, "\n");
+
+ mem_list_t *list = get_list (origin, &length, cmp);
+ T total = get_sum (origin);
+
+ T::dump_header (mem_location::get_origin_name (origin));
+ for (int i = length - 1; i >= 0; i--)
+ list[i].second->dump (list[i].first, total);
+
+ total.dump_footer ();
+
+ XDELETEVEC (list);
+
+ fprintf (stderr, "\n");
+}
+
+#endif // GCC_MEM_STATS_H
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "mem-stats.h"
#include "hash-map.h"
#include "hash-set.h"
#include "machmode.h"
dump_rtx_statistics ();
dump_alloc_pool_statistics ();
dump_bitmap_statistics ();
+ dump_hash_table_loc_statistics ();
dump_vec_loc_statistics ();
dump_ggc_loc_statistics (final);
dump_alias_stats (stderr);
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "mem-stats.h"
#include "hash-map.h"
#include "hash-table.h"
#include "alloc-pool.h"
#include "vec.h"
#include "diagnostic-core.h"
#include "hashtab.h"
+#include "mem-stats.h"
+#include "hash-map.h"
+#include "mem-stats.h"
/* vNULL is an empty type with a template cast operation that returns
a zero-initialized vec<T, A, L> instance. Use this when you want
they cannot have ctors/dtors. */
vnull vNULL;
-
-/* Store information about each particular vector. */
-struct vec_descriptor
-{
- const char *function;
- const char *file;
- int line;
- size_t allocated;
- size_t times;
- size_t peak;
-};
-
-
-/* Hashtable mapping vec addresses to descriptors. */
-static htab_t vec_desc_hash;
-
-/* Hashtable helpers. */
-static hashval_t
-hash_descriptor (const void *p)
-{
- const struct vec_descriptor *const d =
- (const struct vec_descriptor *) p;
- return htab_hash_pointer (d->file) + d->line;
-}
-static int
-eq_descriptor (const void *p1, const void *p2)
+/* Vector memory usage. */
+struct vec_usage: public mem_usage
{
- const struct vec_descriptor *const d = (const struct vec_descriptor *) p1;
- const struct vec_descriptor *const l = (const struct vec_descriptor *) p2;
- return d->file == l->file && d->function == l->function && d->line == l->line;
-}
-
-/* Hashtable converting address of allocated field to loc descriptor. */
-static htab_t ptr_hash;
-struct ptr_hash_entry
-{
- void *ptr;
- struct vec_descriptor *loc;
- size_t allocated;
+ /* Default constructor. */
+ vec_usage (): m_items (0), m_items_peak (0) {}
+
+ /* Constructor. */
+ vec_usage (size_t allocated, size_t times, size_t peak,
+ size_t items, size_t items_peak)
+ : mem_usage (allocated, times, peak),
+ m_items (items), m_items_peak (items_peak) {}
+
+ /* Comparison operator. */
+ inline bool operator< (const vec_usage &second) const
+ {
+ return (m_allocated == second.m_allocated ?
+ (m_peak == second.m_peak ? m_times < second.m_times
+ : m_peak < second.m_peak) : m_allocated < second.m_allocated);
+ }
+
+ /* Sum the usage with SECOND usage. */
+ vec_usage operator+ (const vec_usage &second)
+ {
+ return vec_usage (m_allocated + second.m_allocated,
+ m_times + second.m_times,
+ m_peak + second.m_peak,
+ m_items + second.m_items,
+ m_items_peak + second.m_items_peak);
+ }
+
+ /* Dump usage coupled to LOC location, where TOTAL is sum of all rows. */
+ inline void dump (mem_location *loc, mem_usage &total) const
+ {
+ char s[4096];
+ sprintf (s, "%s:%i (%s)", loc->get_trimmed_filename (),
+ loc->m_line, loc->m_function);
+
+ s[48] = '\0';
+
+ fprintf (stderr, "%-48s %10li:%4.1f%%%10li%10li:%4.1f%%%11li%11li\n", s,
+ (long)m_allocated, m_allocated * 100.0 / total.m_allocated,
+ (long)m_peak, (long)m_times, m_times * 100.0 / total.m_times,
+ (long)m_items, (long)m_items_peak);
+ }
+
+ /* Dump footer. */
+ inline void dump_footer ()
+ {
+ print_dash_line ();
+ fprintf (stderr, "%s%55li%25li%17li\n", "Total", (long)m_allocated,
+ (long)m_times, (long)m_items);
+ print_dash_line ();
+ }
+
+ /* Dump header with NAME. */
+ static inline void dump_header (const char *name)
+ {
+ fprintf (stderr, "%-48s %11s%15s%10s%17s%11s\n", name, "Leak", "Peak",
+ "Times", "Leak items", "Peak items");
+ print_dash_line ();
+ }
+
+ /* Compare wrapper used by qsort method. */
+ static int compare (const void *first, const void *second)
+ {
+ typedef std::pair<mem_location *, vec_usage *> mem_pair_t;
+
+ const mem_pair_t f = *(const mem_pair_t *)first;
+ const mem_pair_t s = *(const mem_pair_t *)second;
+
+ return (*f.second) < (*s.second);
+ }
+
+ /* Current number of items allocated. */
+ size_t m_items;
+ /* Peak value of number of allocated items. */
+ size_t m_items_peak;
};
-/* Hash table helpers functions. */
-static hashval_t
-hash_ptr (const void *p)
-{
- const struct ptr_hash_entry *const d = (const struct ptr_hash_entry *) p;
-
- return htab_hash_pointer (d->ptr);
-}
-
-static int
-eq_ptr (const void *p1, const void *p2)
-{
- const struct ptr_hash_entry *const p = (const struct ptr_hash_entry *) p1;
-
- return (p->ptr == p2);
-}
-
-/* Return descriptor for given call site, create new one if needed. */
-static struct vec_descriptor *
-vec_descriptor (const char *name, int line, const char *function)
-{
- struct vec_descriptor loc;
- struct vec_descriptor **slot;
-
- loc.file = name;
- loc.line = line;
- loc.function = function;
- if (!vec_desc_hash)
- vec_desc_hash = htab_create (10, hash_descriptor, eq_descriptor, NULL);
-
- slot = (struct vec_descriptor **) htab_find_slot (vec_desc_hash, &loc,
- INSERT);
- if (*slot)
- return *slot;
- *slot = XCNEW (struct vec_descriptor);
- (*slot)->file = name;
- (*slot)->line = line;
- (*slot)->function = function;
- (*slot)->allocated = 0;
- (*slot)->peak = 0;
- return *slot;
-}
+/* Vector memory description. */
+static mem_alloc_description <vec_usage> vec_mem_desc;
/* Account the overhead. */
void
-vec_prefix::register_overhead (size_t size, const char *name, int line,
- const char *function)
+vec_prefix::register_overhead (void *ptr, size_t size, size_t elements
+ MEM_STAT_DECL)
{
- struct vec_descriptor *loc = vec_descriptor (name, line, function);
- struct ptr_hash_entry *p = XNEW (struct ptr_hash_entry);
- PTR *slot;
-
- p->ptr = this;
- p->loc = loc;
- p->allocated = size;
- if (!ptr_hash)
- ptr_hash = htab_create (10, hash_ptr, eq_ptr, NULL);
- slot = htab_find_slot_with_hash (ptr_hash, this, htab_hash_pointer (this),
- INSERT);
- gcc_assert (!*slot);
- *slot = p;
-
- loc->allocated += size;
- if (loc->peak < loc->allocated)
- loc->peak += loc->allocated;
- loc->times++;
+ vec_mem_desc.register_descriptor (ptr, VEC, false FINAL_PASS_MEM_STAT);
+ vec_usage *usage = vec_mem_desc.register_instance_overhead (size, ptr);
+ usage->m_items += elements;
+ if (usage->m_items_peak < usage->m_items)
+ usage->m_items_peak = usage->m_items;
}
-
/* Notice that the memory allocated for the vector has been freed. */
void
-vec_prefix::release_overhead (void)
+vec_prefix::release_overhead (void *ptr, size_t size, bool in_dtor
+ MEM_STAT_DECL)
{
- PTR *slot = htab_find_slot_with_hash (ptr_hash, this,
- htab_hash_pointer (this),
- NO_INSERT);
- struct ptr_hash_entry *p = (struct ptr_hash_entry *) *slot;
- p->loc->allocated -= p->allocated;
- htab_clear_slot (ptr_hash, slot);
- ::free (p);
+ if (!vec_mem_desc.contains_descriptor_for_instance (ptr))
+ vec_mem_desc.register_descriptor (ptr, VEC, false FINAL_PASS_MEM_STAT);
+ vec_mem_desc.release_instance_overhead (ptr, size, in_dtor);
}
return alloc;
}
-
-/* Helper for qsort; sort descriptors by amount of memory consumed. */
-
-static int
-cmp_statistic (const void *loc1, const void *loc2)
-{
- const struct vec_descriptor *const l1 =
- *(const struct vec_descriptor *const *) loc1;
- const struct vec_descriptor *const l2 =
- *(const struct vec_descriptor *const *) loc2;
- long diff;
- diff = l1->allocated - l2->allocated;
- if (!diff)
- diff = l1->peak - l2->peak;
- if (!diff)
- diff = l1->times - l2->times;
- return diff > 0 ? 1 : diff < 0 ? -1 : 0;
-}
-
-
-/* Collect array of the descriptors from hashtable. */
-
-static struct vec_descriptor **loc_array;
-static int
-add_statistics (void **slot, void *b)
-{
- int *n = (int *)b;
- loc_array[*n] = (struct vec_descriptor *) *slot;
- (*n)++;
- return 1;
-}
-
/* Dump per-site memory statistics. */
void
dump_vec_loc_statistics (void)
{
- int nentries = 0;
- char s[4096];
- size_t allocated = 0;
- size_t times = 0;
- int i;
-
- if (! GATHER_STATISTICS)
- return;
-
- loc_array = XCNEWVEC (struct vec_descriptor *, vec_desc_hash->n_elements);
- fprintf (stderr, "Heap vectors:\n");
- fprintf (stderr, "\n%-48s %10s %10s %10s\n",
- "source location", "Leak", "Peak", "Times");
- fprintf (stderr, "-------------------------------------------------------\n");
- htab_traverse (vec_desc_hash, add_statistics, &nentries);
- qsort (loc_array, nentries, sizeof (*loc_array), cmp_statistic);
- for (i = 0; i < nentries; i++)
- {
- struct vec_descriptor *d = loc_array[i];
- allocated += d->allocated;
- times += d->times;
- }
- for (i = 0; i < nentries; i++)
- {
- struct vec_descriptor *d = loc_array[i];
- const char *s1 = d->file;
- const char *s2;
- while ((s2 = strstr (s1, "gcc/")))
- s1 = s2 + 4;
- sprintf (s, "%s:%i (%s)", s1, d->line, d->function);
- s[48] = 0;
- fprintf (stderr, "%-48s %10li:%4.1f%% %10li %10li:%4.1f%% \n", s,
- (long)d->allocated,
- (d->allocated) * 100.0 / allocated,
- (long)d->peak,
- (long)d->times,
- (d->times) * 100.0 / times);
- }
- fprintf (stderr, "%-48s %10ld %10ld\n",
- "Total", (long)allocated, (long)times);
- fprintf (stderr, "\n%-48s %10s %10s %10s\n",
- "source location", "Leak", "Peak", "Times");
- fprintf (stderr, "-------------------------------------------------------\n");
+ vec_mem_desc.dump (VEC);
}
extern void ggc_free (void *);
extern size_t ggc_round_alloc_size (size_t requested_size);
- extern void *ggc_realloc (void *, size_t CXX_MEM_STAT_INFO);
+ extern void *ggc_realloc (void *, size_t MEM_STAT_DECL);
# endif // GCC_GGC_H
#endif // VEC_GC_ENABLED
/* Support function for statistics. */
extern void dump_vec_loc_statistics (void);
+/* Hashtable mapping vec addresses to descriptors. */
+extern htab_t vec_mem_usage_hash;
/* Control data for vectors. This contains the number of allocated
and used slots inside a vector. */
compilers that have stricter notions of PODness for types. */
/* Memory allocation support routines in vec.c. */
- void register_overhead (size_t, const char *, int, const char *);
- void release_overhead (void);
+ void register_overhead (void *, size_t, size_t CXX_MEM_STAT_INFO);
+ void release_overhead (void *, size_t, bool CXX_MEM_STAT_INFO);
static unsigned calculate_allocation (vec_prefix *, unsigned, bool);
static unsigned calculate_allocation_1 (unsigned, unsigned);
gcc_checking_assert (alloc);
if (GATHER_STATISTICS && v)
- v->m_vecpfx.release_overhead ();
+ v->m_vecpfx.release_overhead (v, v->allocated (), false);
size_t size = vec<T, va_heap, vl_embed>::embedded_size (alloc);
unsigned nelem = v ? v->length () : 0;
v->embedded_init (alloc, nelem);
if (GATHER_STATISTICS)
- v->m_vecpfx.register_overhead (size FINAL_PASS_MEM_STAT);
+ v->m_vecpfx.register_overhead (v, alloc, nelem PASS_MEM_STAT);
}
return;
if (GATHER_STATISTICS)
- v->m_vecpfx.release_overhead ();
+ v->m_vecpfx.release_overhead (v, v->allocated (), true);
::free (v);
v = NULL;
}
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