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author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-03 15:36:17 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-01-03 15:36:17 +0000 |
commit | 72b199940d8a19d869bb9f0bb6065d15bbb030d7 (patch) | |
tree | a10f236e37c0e673ffc68fb8ab547608e34e9ccb /NEWS | |
parent | 0e8fae89ab921e1be06ee7285c5e919e386a1b26 (diff) | |
download | ruby-72b199940d8a19d869bb9f0bb6065d15bbb030d7.tar.gz |
* trace.h: new file. wraps tracing mechanisms.
* defs/dtrace.d: new file. defined a dtrace provider "ruby".
* include/ruby/ruby.h (LIKELY): moved from vm.c.
(UNLIKELY): ditto.
(OBJSETUP): probe "object-create".
(RUBY_EVENT_RESCUE): new event.
* vm_exec.c (DEBUG_ENTER_INSN): embeded a probe insn-entry into it.
(DEBUG_END_INSN): insn-return.
* vm.c (LIKELY): moved into ruby.h.
(UNLIKELY): ditto.
(Init_BareVM): embeded a probe "raise" into it.
* variable.c (rb_class2name_without_alloc): new utility function.
* tool/rbinstall.rb (install?(:ext, :arch, :'ext-arch')): installs
dtrace.d if necessary.
* thread_pthread.c (add_signal_thread_list): probe "raise".
(rb_thread_create_timer_thread): ditto.
* thread.c (rb_thread_schedule_rec): probes "thread-enter" and
"thread-leave",
(thread_start_func_2): ditto.
(thread_cleanup_func): probe "thread-term"
* lib/mkmf.rb: supports dtrace postprocessor on making an extension.
* iseq.c (rb_vm_insn_name): new utility function.
(rb_vm_insn_len): ditto.
* insns.def (hook): probes "method-etnry", "method-return", "line",
and "rescue".
* compile.c (iseq_compile_each): adds a trace op for "rescue" probe.
* gc.c (garbage_collect): probes "gc-begin" and "gc-end".
(obj_free): probe "object-free"
(garbage_collect_with_gvl): probe "raise"
(negative_size_allocation_error): ditto.
(rb_memerror): ditto.
* eval.c (rb_rescue2): probe "rescue"
(rb_longjmp): probe "raise"
* ext/probe/probe.c: new extension for application defined probes.
* ext/probe/extconf.rb: ditto.
* configure.in (--with-tracing-model): new option to choose a tracing
mechanism.
(DTRACE): new substitution. name of dtrace(1).
(RUBY_TRACING_MODEL): new substitution.
(DTRACE_OBJ): ditto.
(MINIDTRACE_OBJ): ditto.
(GOLFDTRACE_OBJ): ditto.
(LIBRUBY_DTRACE_OBJ): ditto.
(RUBY_DTRACE_POSTPROCESS): new macro. checks whether the dtrace on
the system needs postprocessing.
(RUBY_DTRACE_BSD_BROKEN): new macro. checks whether the dtrace
supports USDT.
* Makefile.in:
(DTRACE): new variable. name of dtrace(1).
(TRACING_MODEL): new variable. name of the chosen tracing mechanism.
(DTRACE_OBJ): same as the one in configure.in.
(MINIDTRACE_OBJ): ditto.
(GOLFDTRACE_OBJ): ditto.
(LIBRUBY_DTRACE_OBJ): ditto.
(CPPOUTFILE): new substitution. necessary for generating dtrace.d
(trace_none.h): new target for TRACING_MODEL=none
(RUBY_H_INCLUDES): appended a header for tracing.
(distclean-local): also removes preprocessed version of dtrace.d
($(LIBRUBY_A)): needs $(LIBRUBY_DTRACE_OBJ) if dtrace needs
postprocessing.
($(PROGRAM)): ditto.
(golf): ditto.
(miniruby): ditto.
($(arch_hdrdir)/ruby/dtrace.d): new target. preprocessed verson
of defs/dtrace.d. generated if necessary.
($(arch_hdrdir)/ruby/trace_dtrace.h): new target.
definition of probes.
($(LIBRUBY_DTRACE_OBJ)): new target. generated if dtrace needs
postprocessing.
($(DTRACE_OBJ)): ditto.
($(MINIDTRACE_OBJ)): ditto.
($(GOLFDTRACE_OBJ)): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'NEWS')
-rw-r--r-- | NEWS | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -217,6 +217,10 @@ with all sufficient information, see the ChangeLog file. * Pathname#realdirpath * Pathname#each_child +* probe + new library. + * Kernel#fire_probe + * Readline * new methods: * Readline.set_screen_size @@ -261,6 +265,14 @@ with all sufficient information, see the ChangeLog file. Unicode semantics * $: no longer includes the current directory, use require_relative +=== Tracing (experimental) + +* Runtime tracing is supported. Currently implemented on top of dtrace. + You can trace a ruby program without any modification if your platform + supports dtrace USDT. + + This feature is experimental. The semantics of probes will possibly change. + === Compilation options * --program-prefix and --program-suffix no longer act on the shared object @@ -272,6 +284,8 @@ with all sufficient information, see the ChangeLog file. * --with-arch is added for universal binary, instead of --enable-fat-binary option. +* --with-tracing-model is added for choosing a particular tracing mechanism. + === Compatibility issues (excluding feature bug fixes) * Enumerator#rewind |