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(Vgc_elapsed, gcs_done): New variables.

Browse source 
(Fgarbage_collect): Use them.
(init_alloc, syms_of_alloc): Set them up.
This commit is contained in:
Dave Love 2003-01-30 14:15:58 +00:00
parent 100dcd40b8
commit 2c5bd60800
1 changed files with 29 additions and 4 deletions
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33
src/alloc.c
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@ -256,6 +256,9 @@ Lisp_Object Qgc_cons_threshold, Qchar_table_extra_slots;
Lisp_Object Vpost_gc_hook, Qpost_gc_hook;
Lisp_Object Vgc_elapsed; /* accumulated elapsed time in GC */
EMACS_INT gcs_done; /* accumulated GCs */
static void mark_buffer P_ ((Lisp_Object));
static void mark_kboards P_ ((void));
static void gc_sweep P_ ((void));
@ -645,8 +648,8 @@ lisp_free (block)
elsewhere in the code should be inside a BLOCK_INPUT/UNBLOCK_INPUT
pairs; unfortunately, we have no idea what C library functions
might call malloc, so we can't really protect them unless you're
using GNU malloc. Fortunately, most of the major operating can use
GNU malloc. */
using GNU malloc. Fortunately, most of the major operating systems
can use GNU malloc. */
#ifndef SYSTEM_MALLOC
#ifndef DOUG_LEA_MALLOC
@ -1236,7 +1239,7 @@ string_bytes (s)
return nbytes;
}
/* Check validity Lisp strings' string_bytes member in B. */
/* Check validity of Lisp strings' string_bytes member in B. */
void
check_sblock (b)
@ -4085,6 +4088,9 @@ Garbage collection happens automatically if you cons more than
int message_p;
Lisp_Object total[8];
int count = SPECPDL_INDEX ();
EMACS_TIME t1, t2, t3;
EMACS_GET_TIME (t1);
/* Can't GC if pure storage overflowed because we can't determine
if something is a pure object or not. */
@ -4370,7 +4376,16 @@ Garbage collection happens automatically if you cons more than
safe_run_hooks (Qpost_gc_hook);
unbind_to (count, Qnil);
}
/* Accumulate statistics. */
EMACS_GET_TIME (t2);
EMACS_SUB_TIME (t3, t2, t1);
if (FLOATP (Vgc_elapsed))
XSETFLOAT (Vgc_elapsed, make_float (XFLOAT_DATA (Vgc_elapsed) +
EMACS_SECS (t3) +
EMACS_USECS (t3) * 1.0e-6));
gcs_done++;
return Flist (sizeof total / sizeof *total, total);
}
@ -5525,6 +5540,8 @@ init_alloc ()
setjmp_tested_p = longjmps_done = 0;
#endif
#endif
Vgc_elapsed = make_float (0.0);
gcs_done = 0;
}
void
@ -5614,6 +5631,14 @@ which includes both saved text and other data. */);
staticpro (&Qchar_table_extra_slots);
Qchar_table_extra_slots = intern ("char-table-extra-slots");
DEFVAR_LISP ("gc-elapsed", &Vgc_elapsed,
doc: /* Accumulated time elapsed in garbage collections.
The time is in seconds as a floating point value.
Programs may reset this to get statistics in a specific period. */);
DEFVAR_INT ("gcs-done", &gcs_done,
doc: /* Accumulated number of garbage collections done.
Programs may reset this to get statistics in a specific period. */);
defsubr (&Scons);
defsubr (&Slist);
defsubr (&Svector);