コード例 #1
0
void NonTieredCompPolicy::trace_frequency_counter_overflow(methodHandle m, int branch_bci, int bci) {
    if (TraceInvocationCounterOverflow) {
        InvocationCounter* ic = m->invocation_counter();
        InvocationCounter* bc = m->backedge_counter();
        ResourceMark rm;
        const char* msg =
            bci == InvocationEntryBci
            ? "comp-policy cntr ovfl @ %d in entry of "
            : "comp-policy cntr ovfl @ %d in loop of ";
        tty->print(msg, bci);
        m->print_value();
        tty->cr();
        ic->print();
        bc->print();
        if (ProfileInterpreter) {
            if (bci != InvocationEntryBci) {
                methodDataOop mdo = m->method_data();
                if (mdo != NULL) {
                    int count = mdo->bci_to_data(branch_bci)->as_JumpData()->taken();
                    tty->print_cr("back branch count = %d", count);
                }
            }
        }
    }
}
コード例 #2
0
void NonTieredCompPolicy::trace_frequency_counter_overflow(const methodHandle& m, int branch_bci, int bci) {
  if (TraceInvocationCounterOverflow) {
    MethodCounters* mcs = m->method_counters();
    assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
    InvocationCounter* ic = mcs->invocation_counter();
    InvocationCounter* bc = mcs->backedge_counter();
    ResourceMark rm;
    if (bci == InvocationEntryBci) {
      tty->print("comp-policy cntr ovfl @ %d in entry of ", bci);
    } else {
      tty->print("comp-policy cntr ovfl @ %d in loop of ", bci);
    }
    m->print_value();
    tty->cr();
    ic->print();
    bc->print();
    if (ProfileInterpreter) {
      if (bci != InvocationEntryBci) {
        MethodData* mdo = m->method_data();
        if (mdo != NULL) {
          int count = mdo->bci_to_data(branch_bci)->as_JumpData()->taken();
          tty->print_cr("back branch count = %d", count);
        }
      }
    }
  }
}
コード例 #3
0
// Create MDO if necessary.
void AdvancedThresholdPolicy::create_mdo(methodHandle mh, TRAPS) {
  if (mh->is_native() || mh->is_abstract() || mh->is_accessor()) return;
  if (mh->method_data() == NULL) {
    methodOopDesc::build_interpreter_method_data(mh, THREAD);
    if (HAS_PENDING_EXCEPTION) {
      CLEAR_PENDING_EXCEPTION;
    }
  }
}
コード例 #4
0
// Create MDO if necessary.
void AdvancedThresholdPolicy::create_mdo(methodHandle mh, JavaThread* THREAD) {
  if (mh->is_native() ||
      mh->is_abstract() ||
      mh->is_accessor() ||
      mh->is_constant_getter()) {
    return;
  }
  if (mh->method_data() == NULL) {
    Method::build_interpreter_method_data(mh, CHECK_AND_CLEAR);
  }
}
コード例 #5
0
void SimpleThresholdPolicy::print_counters(const char* prefix, methodHandle mh) {
  int invocation_count = mh->invocation_count();
  int backedge_count = mh->backedge_count();
  MethodData* mdh = mh->method_data();
  int mdo_invocations = 0, mdo_backedges = 0;
  int mdo_invocations_start = 0, mdo_backedges_start = 0;
  if (mdh != NULL) {
    mdo_invocations = mdh->invocation_count();
    mdo_backedges = mdh->backedge_count();
    mdo_invocations_start = mdh->invocation_count_start();
    mdo_backedges_start = mdh->backedge_count_start();
  }
  tty->print(" %stotal=%d,%d %smdo=%d(%d),%d(%d)", prefix,
      invocation_count, backedge_count, prefix,
      mdo_invocations, mdo_invocations_start,
      mdo_backedges, mdo_backedges_start);
  tty->print(" %smax levels=%d,%d", prefix,
      mh->highest_comp_level(), mh->highest_osr_comp_level());
}