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reduce rb_clear_attr_ccs() call

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`rb_clear_attr_ccs()` should be called only when c_call or c_return
is activated.
This commit is contained in:
Koichi Sasada 2021-12-14 10:24:27 +09:00
parent 10eda60e8b
commit 1578421962
Notes: git 2021-12-14 12:32:17 +09:00 
Merged: https://github.com/ruby/ruby/pull/5261
1 changed files with 15 additions and 10 deletions
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25
vm_trace.c
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@ -78,9 +78,9 @@ rb_hook_list_free(rb_hook_list_t *hooks)
void rb_clear_attr_ccs(void);
static void
update_global_event_hook(rb_event_flag_t vm_events)
update_global_event_hook(rb_event_flag_t prev_events, rb_event_flag_t new_events)
{
rb_event_flag_t new_iseq_events = vm_events & ISEQ_TRACE_EVENTS;
rb_event_flag_t new_iseq_events = new_events & ISEQ_TRACE_EVENTS;
rb_event_flag_t enabled_iseq_events = ruby_vm_event_enabled_global_flags & ISEQ_TRACE_EVENTS;
if (new_iseq_events & ~enabled_iseq_events) {
@ -95,14 +95,18 @@ update_global_event_hook(rb_event_flag_t vm_events)
rb_iseq_trace_set_all(new_iseq_events | enabled_iseq_events);
}
else {
rb_clear_attr_ccs();
// if c_call or c_return is activated:
if (((prev_events & RUBY_EVENT_C_CALL) == 0 && (new_events & RUBY_EVENT_C_CALL)) ||
((prev_events & RUBY_EVENT_C_RETURN) == 0 && (new_events & RUBY_EVENT_C_RETURN))) {
rb_clear_attr_ccs();
}
}
ruby_vm_event_flags = vm_events;
ruby_vm_event_enabled_global_flags |= vm_events;
rb_objspace_set_event_hook(vm_events);
ruby_vm_event_flags = new_events;
ruby_vm_event_enabled_global_flags |= new_events;
rb_objspace_set_event_hook(new_events);
if (vm_events & RUBY_EVENT_TRACEPOINT_ALL) {
if (new_events & RUBY_EVENT_TRACEPOINT_ALL) {
// Invalidate all code if listening for any TracePoint event.
// Internal events fire inside C routines so don't need special handling.
// Do this last so other ractors see updated vm events when they wake up.
@ -137,13 +141,14 @@ alloc_event_hook(rb_event_hook_func_t func, rb_event_flag_t events, VALUE data,
static void
hook_list_connect(VALUE list_owner, rb_hook_list_t *list, rb_event_hook_t *hook, int global_p)
{
rb_event_flag_t prev_events = list->events;
hook->next = list->hooks;
list->hooks = hook;
list->events |= hook->events;
if (global_p) {
/* global hooks are root objects at GC mark. */
update_global_event_hook(list->events);
update_global_event_hook(prev_events, list->events);
}
else {
RB_OBJ_WRITTEN(list_owner, Qundef, hook->data);
@ -196,7 +201,7 @@ clean_hooks(const rb_execution_context_t *ec, rb_hook_list_t *list)
{
rb_event_hook_t *hook, **nextp = &list->hooks;
VM_ASSERT(list->need_clean == TRUE);
rb_event_flag_t prev_events = list->events;
list->events = 0;
list->need_clean = FALSE;
@ -213,7 +218,7 @@ clean_hooks(const rb_execution_context_t *ec, rb_hook_list_t *list)
if (list == rb_ec_ractor_hooks(ec)) {
/* global events */
update_global_event_hook(list->events);
update_global_event_hook(prev_events, list->events);
}
else {
/* local events */