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https://github.com/ruby/ruby.git
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135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
/**********************************************************************
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debug_counter.c -
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created at: Tue Feb 21 16:51:18 2017
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Copyright (C) 2017 Koichi Sasada
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**********************************************************************/
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#include "internal.h"
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#include "debug_counter.h"
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#include <stdio.h>
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#include <locale.h>
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#if USE_DEBUG_COUNTER
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static const char *const debug_counter_names[] = {
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""
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#define RB_DEBUG_COUNTER(name) #name,
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#include "debug_counter.h"
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#undef RB_DEBUG_COUNTER
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};
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MJIT_SYMBOL_EXPORT_BEGIN
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size_t rb_debug_counter[numberof(debug_counter_names)];
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MJIT_SYMBOL_EXPORT_END
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int debug_counter_disable_show_at_exit = 0;
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// note that this operation is not atomic.
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void
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ruby_debug_counter_reset(void)
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{
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for (int i = 0; i < RB_DEBUG_COUNTER_MAX; i++) {
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switch (i) {
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case RB_DEBUG_COUNTER_mjit_length_unit_queue:
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case RB_DEBUG_COUNTER_mjit_length_active_units:
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case RB_DEBUG_COUNTER_mjit_length_compact_units:
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case RB_DEBUG_COUNTER_mjit_length_stale_units:
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// These counters may be decreased and should not be reset.
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break;
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default:
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rb_debug_counter[i] = 0;
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break;
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}
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}
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}
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// note that this operation is not atomic.
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size_t
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ruby_debug_counter_get(const char **names_ptr, size_t *counters_ptr)
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{
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int i;
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if (names_ptr != NULL) {
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for (i=0; i<RB_DEBUG_COUNTER_MAX; i++) {
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names_ptr[i] = debug_counter_names[i];
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}
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}
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if (counters_ptr != NULL) {
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for (i=0; i<RB_DEBUG_COUNTER_MAX; i++) {
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counters_ptr[i] = rb_debug_counter[i];
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}
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}
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return RB_DEBUG_COUNTER_MAX;
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}
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void
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ruby_debug_counter_show_at_exit(int enable)
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{
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debug_counter_disable_show_at_exit = !enable;
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}
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void
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rb_debug_counter_show_results(const char *msg)
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{
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const char *env = getenv("RUBY_DEBUG_COUNTER_DISABLE");
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setlocale(LC_NUMERIC, "");
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if (env == NULL || strcmp("1", env) != 0) {
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int i;
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fprintf(stderr, "[RUBY_DEBUG_COUNTER]\t%d %s\n", getpid(), msg);
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for (i=0; i<RB_DEBUG_COUNTER_MAX; i++) {
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fprintf(stderr, "[RUBY_DEBUG_COUNTER]\t%-30s\t%'14"PRIuSIZE"\n",
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debug_counter_names[i],
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rb_debug_counter[i]);
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}
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}
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}
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VALUE
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rb_debug_counter_show(RB_UNUSED_VAR(VALUE klass))
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{
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rb_debug_counter_show_results("method call");
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return Qnil;
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}
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VALUE
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rb_debug_counter_reset(RB_UNUSED_VAR(VALUE klass))
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{
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ruby_debug_counter_reset();
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return Qnil;
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}
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__attribute__((destructor))
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static void
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debug_counter_show_results_at_exit(void)
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{
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if (debug_counter_disable_show_at_exit == 0) {
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rb_debug_counter_show_results("normal exit.");
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}
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}
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#else
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void
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rb_debug_counter_show_results(const char *msg)
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{
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}
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size_t
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ruby_debug_counter_get(const char **names_ptr, size_t *counters_ptr)
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{
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return 0;
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}
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void
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ruby_debug_counter_reset(void)
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{
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}
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void
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ruby_debug_counter_show_at_exit(int enable)
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{
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}
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#endif /* USE_DEBUG_COUNTER */
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