src/share/vm/opto/bytecodeInfo.cpp

rev 7960 : 8073607: add trace events for inlining
Reviewed-by: kvn, fzhinkin

*** 31,40 ****
--- 31,41 ----
  #include "interpreter/linkResolver.hpp"
  #include "oops/objArrayKlass.hpp"
  #include "opto/callGenerator.hpp"
  #include "opto/parse.hpp"
  #include "runtime/handles.inline.hpp"
+ #include "utilities/events.hpp"
  
  //=============================================================================
  //------------------------------InlineTree-------------------------------------
  InlineTree::InlineTree(Compile* c,
                         const InlineTree *caller_tree, ciMethod* callee,
*** 488,498 ****
    return NULL;
  }
  
  //------------------------------print_inlining---------------------------------
  void InlineTree::print_inlining(ciMethod* callee_method, int caller_bci,
!                                 bool success) const {
    const char* inline_msg = msg();
    assert(inline_msg != NULL, "just checking");
    if (C->log() != NULL) {
      if (success) {
        C->log()->inline_success(inline_msg);
--- 489,499 ----
    return NULL;
  }
  
  //------------------------------print_inlining---------------------------------
  void InlineTree::print_inlining(ciMethod* callee_method, int caller_bci,
!                                 ciMethod* caller_method, bool success) const {
    const char* inline_msg = msg();
    assert(inline_msg != NULL, "just checking");
    if (C->log() != NULL) {
      if (success) {
        C->log()->inline_success(inline_msg);
*** 507,516 ****
--- 508,529 ----
        const InlineTree *top = this;
        while( top->caller_tree() != NULL ) { top = top->caller_tree(); }
        //tty->print("  bcs: %d+%d  invoked: %d", top->count_inline_bcs(), callee_method->code_size(), callee_method->interpreter_invocation_count());
      }
    }
+ #if INCLUDE_TRACE
+   EventCompilerInlining event;
+   if (event.should_commit()) {
+     event.set_compileID(C->compile_id());
+     event.set_message(inline_msg);
+     event.set_succeeded(success);
+     event.set_bci(caller_bci);
+     event.set_caller(caller_method->get_Method());
+     event.set_callee(callee_method->to_trace_struct());
+     event.commit();
+   }
+ #endif // INCLUDE_TRACE
  }
  
  //------------------------------ok_to_inline-----------------------------------
  WarmCallInfo* InlineTree::ok_to_inline(ciMethod* callee_method, JVMState* jvms, ciCallProfile& profile, WarmCallInfo* initial_wci, bool& should_delay) {
    assert(callee_method != NULL, "caller checks for optimized virtual!");
*** 529,546 ****
    ciMethod*   caller_method = jvms->method();
  
    // Do some initial checks.
    if (!pass_initial_checks(caller_method, caller_bci, callee_method)) {
      set_msg("failed initial checks");
!     print_inlining(callee_method, caller_bci, false /* !success */);
      return NULL;
    }
  
    // Do some parse checks.
    set_msg(check_can_parse(callee_method));
    if (msg() != NULL) {
!     print_inlining(callee_method, caller_bci, false /* !success */);
      return NULL;
    }
  
    // Check if inlining policy says no.
    WarmCallInfo wci = *(initial_wci);
--- 542,559 ----
    ciMethod*   caller_method = jvms->method();
  
    // Do some initial checks.
    if (!pass_initial_checks(caller_method, caller_bci, callee_method)) {
      set_msg("failed initial checks");
!     print_inlining(callee_method, caller_bci, caller_method, false /* !success */);
      return NULL;
    }
  
    // Do some parse checks.
    set_msg(check_can_parse(callee_method));
    if (msg() != NULL) {
!     print_inlining(callee_method, caller_bci, caller_method, false /* !success */);
      return NULL;
    }
  
    // Check if inlining policy says no.
    WarmCallInfo wci = *(initial_wci);
*** 578,599 ****
    if (!wci.is_cold()) {
      // Inline!
      if (msg() == NULL) {
        set_msg("inline (hot)");
      }
!     print_inlining(callee_method, caller_bci, true /* success */);
      build_inline_tree_for_callee(callee_method, jvms, caller_bci);
!     if (InlineWarmCalls && !wci.is_hot())
        return new (C) WarmCallInfo(wci);  // copy to heap
      return WarmCallInfo::always_hot();
    }
  
    // Do not inline
    if (msg() == NULL) {
      set_msg("too cold to inline");
    }
!   print_inlining(callee_method, caller_bci, false /* !success */ );
    return NULL;
  }
  
  //------------------------------compute_callee_frequency-----------------------
  float InlineTree::compute_callee_frequency( int caller_bci ) const {
--- 591,613 ----
    if (!wci.is_cold()) {
      // Inline!
      if (msg() == NULL) {
        set_msg("inline (hot)");
      }
!     print_inlining(callee_method, caller_bci, caller_method, true /* success */);
      build_inline_tree_for_callee(callee_method, jvms, caller_bci);
!     if (InlineWarmCalls && !wci.is_hot()) {
        return new (C) WarmCallInfo(wci);  // copy to heap
+     }
      return WarmCallInfo::always_hot();
    }
  
    // Do not inline
    if (msg() == NULL) {
      set_msg("too cold to inline");
    }
!   print_inlining(callee_method, caller_bci, caller_method, false /* !success */ );
    return NULL;
  }
  
  //------------------------------compute_callee_frequency-----------------------
  float InlineTree::compute_callee_frequency( int caller_bci ) const {