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* Avoid doubly showing debug countersTakashi Kokubun2020-03-151-1/+2
| | | | | | | | when RubyVM.show_debug_counters is explicitly called. According to the original description in 70fd099220446e39bb80eb0bb32870ce12134619, I think it's not intended to use the exit counter at all, and I'd like to skip it when I need to explicitly call this.
* add debug_counter access functions.Koichi Sasada2019-12-251-15/+67
| | | | These functions are enabled only on USE_DEBUG_COUNTER=1.
* debug_counter.c: include ruby/config.h before stdio.hRei Odaira2019-12-111-1/+1
| | | | to define _LARGE_FILES
* Update dependenciesNobuyoshi Nakada2019-11-181-1/+1
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* Fix rb_define_singleton_method warningTakashi Kokubun2019-09-201-2/+2
| | | | | | | | | | | | | | | for debug counters ``` ../include/ruby/intern.h:1175:137: warning: passing argument 3 of 'rb_define_singleton_method0' from incompatible pointer type [-Wincompatible-pointer-types] #define rb_define_singleton_method(klass, mid, func, arity) rb_define_singleton_method_choose_prototypem3((arity),(func))((klass),(mid),(func),(arity)); ^ ../vm.c:2958:5: note: in expansion of macro 'rb_define_singleton_method' rb_define_singleton_method(rb_cRubyVM, "show_debug_counters", rb_debug_counter_show, 0); ^~~~~~~~~~~~~~~~~~~~~~~~~~ ../include/ruby/intern.h:1139:99: note: expected 'VALUE (*)(VALUE) {aka long unsigned int (*)(long unsigned int)}' but argument is of type 'VALUE (*)(void) {aka long unsigned int (*)(void)}' __attribute__((__unused__,__weakref__("rb_define_singleton_method"),__nonnull__(2,3)))static void rb_define_singleton_method0 (VALUE,const char*,VALUE(*)(VALUE),int); ```
* Add a way to print debug counters without exitingAaron Patterson2019-08-071-0/+7
| | | | | | | | I am trying to study debug counters inside a Rails application. Accessing debug counters by killing the process is hard because child processes don't get the same TRAP as the parent, and Rails seems to intercept calls to `exit`. Adding this method lets me print the debug counters when I want (at the end of requests for example)
* Add debug counter for MJIT stale_unitsk0kubun2019-04-141-0/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67546 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Do not reset non-increment-only countersk0kubun2019-04-141-1/+10
| | | | | | to prevernt underflow. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67545 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add RubyVM.reset_debug_counters when RB_DEBUG_COUNTERk0kubun2019-04-141-0/+9
| | | | | | is defined. It's 0 by default and so it dissappears on actual build. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67544 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Add debug counters for MJIT cancelk0kubun2019-03-291-0/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* add debug counters more.ko12018-09-281-1/+1
| | | | | | | | | | | | | | | | | * debug_counter.h: add the following counters. * frame_push: control frame counts (total counts). * frame_push_*: control frame counts per every frame type. * obj_*: add free'ed counts for each type. * gc.c: ditto. * vm_insnhelper.c (vm_push_frame): ditto. * debug_counter.c (rb_debug_counter_show_results): widen counts field to show >10G numbers. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * expand tabs.svn2018-09-251-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64842 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* refactoring debug_counter.ko12018-09-251-6/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * debug_counter.h: add comments for each counters. * debug_counter.h: add some counters (see added comments for details). * obj_newobj * obj_newobj_slowpath * obj_newobj_wb_unprotected * obj_hash_empty * obj_hash_under4 * obj_hash_ge4 * obj_hash_ge8 * heap_xmalloc * heap_xrealloc * heap_xfree * gc.c: add some debug counters (see the above list). * debug_counter.c (rb_debug_counter_show_results): accept a header message. * signal.c (ruby_default_signal): show debug counter results and malloc info (rb_malloc_info_show_results()) before SIGNAL exit. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* debug_counter.c: debug_counter_names [ci skip]nobu2017-03-101-4/+6
| | | | | | | | | | * debug_counter.c (debug_counter_names): stringize debug counter names by preprocessor. * debug_counter.h (RB_DEBUG_COUNTER): define counter names outside the include guard, to expand multiple times. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57826 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* add performance counting mechanism for MRI debug/tuning purpose.ko12017-02-211-0/+39
* How to enable this feature? * define USE_DEBUG_COUNTER as 1. * you can disable to output the result with RUBY_DEBUG_COUNTER_DISABLE environment variable even if USE_DEBUG_COUNTER == 1. * How to add new counter? * add COUNTER(<name>) line on debug_counter.h. * include "debug_counter.h" * insert RB_DEBUG_COUNTER_INC(<name>) line on your favorite place. * counter output example: [RUBY_DEBUG_COUNTER] mc_inline_hit 999 [RUBY_DEBUG_COUNTER] mc_inline_miss 3 [RUBY_DEBUG_COUNTER] mc_global_hit 23 [RUBY_DEBUG_COUNTER] mc_global_miss 273 [RUBY_DEBUG_COUNTER] mc_global_state_miss 3 [RUBY_DEBUG_COUNTER] mc_class_serial_miss 0 [RUBY_DEBUG_COUNTER] mc_cme_complement 0 [RUBY_DEBUG_COUNTER] mc_cme_complement_hit 0 [RUBY_DEBUG_COUNTER] mc_search_super 1384 [RUBY_DEBUG_COUNTER] ivar_get_hit 0 [RUBY_DEBUG_COUNTER] ivar_get_miss 0 [RUBY_DEBUG_COUNTER] ivar_set_hit 0 [RUBY_DEBUG_COUNTER] ivar_set_miss 0 [RUBY_DEBUG_COUNTER] ivar_get 431 [RUBY_DEBUG_COUNTER] ivar_set 465 * mc_... is related to method caching. * ivar_... is related to instance variable accesses. * compare with dtrace/system tap features, there are completely no performacne penalties when it is disabled. * This feature is supported only on __GNUC__ compilers. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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