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4adf418be9
Add a new API rb_profile_thread_frames(), which is essentialy a per-thread version of rb_profile_frames(). While the original rb_profile_frames() always returns results about the current active thread obtained by GET_EC(), this new API takes a Thread to be profiled as an argument. This should come in handy when profiling I/O-bound programs such as webapps, since this new API allows us to learn about Threads performing I/O (which do not have the GVL). Profiling worker threads (such as Sidekiq workers) may be another application. Implements [Feature #10602] Co-authored-by: Mike Perham <mike@perham.net>
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
#include "ruby/ruby.h"
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#include "ruby/debug.h"
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#define MAX_BUF_SIZE 0x100
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static VALUE
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profile_frames(VALUE self, VALUE start_v, VALUE num_v)
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{
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int i, collected_size;
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int start = NUM2INT(start_v);
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int buff_size = NUM2INT(num_v);
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VALUE buff[MAX_BUF_SIZE];
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int lines[MAX_BUF_SIZE];
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VALUE result = rb_ary_new();
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if (buff_size > MAX_BUF_SIZE) rb_raise(rb_eRuntimeError, "too long buff_size");
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collected_size = rb_profile_frames(start, buff_size, buff, lines);
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for (i=0; i<collected_size; i++) {
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VALUE ary = rb_ary_new();
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rb_ary_push(ary, rb_profile_frame_path(buff[i]));
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rb_ary_push(ary, rb_profile_frame_absolute_path(buff[i]));
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rb_ary_push(ary, rb_profile_frame_label(buff[i]));
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rb_ary_push(ary, rb_profile_frame_base_label(buff[i]));
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rb_ary_push(ary, rb_profile_frame_full_label(buff[i]));
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rb_ary_push(ary, rb_profile_frame_first_lineno(buff[i]));
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rb_ary_push(ary, rb_profile_frame_classpath(buff[i]));
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rb_ary_push(ary, rb_profile_frame_singleton_method_p(buff[i]));
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rb_ary_push(ary, rb_profile_frame_method_name(buff[i]));
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rb_ary_push(ary, rb_profile_frame_qualified_method_name(buff[i]));
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rb_ary_push(ary, INT2NUM(lines[i]));
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rb_ary_push(result, ary);
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}
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return result;
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}
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static VALUE
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profile_thread_frames(VALUE self, VALUE thread, VALUE start_v, VALUE num_v)
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{
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int i, collected_size;
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int start = NUM2INT(start_v);
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int buff_size = NUM2INT(num_v);
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VALUE buff[MAX_BUF_SIZE];
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int lines[MAX_BUF_SIZE];
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VALUE result = rb_ary_new();
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if (buff_size > MAX_BUF_SIZE) rb_raise(rb_eRuntimeError, "too long buff_size");
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collected_size = rb_profile_thread_frames(thread, start, buff_size, buff, lines);
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for (i=0; i<collected_size; i++) {
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rb_ary_push(result, rb_profile_frame_full_label(buff[i]));
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}
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return result;
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}
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void
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Init_profile_frames(VALUE klass)
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{
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rb_define_module_function(klass, "profile_frames", profile_frames, 2);
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rb_define_module_function(klass, "profile_thread_frames", profile_thread_frames, 3);
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}
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