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