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7096639: Tiered: Incorrect counter overflow handling for inlined methods

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Enable invocation events for inlinees

Reviewed-by: kvn
This commit is contained in:
Igor Veresov 2011-09-29 23:09:54 -07:00
parent 812f619214
commit 0219cf5423
2 changed files with 5 additions and 2 deletions
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4
hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
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@ -2970,8 +2970,8 @@ void LIRGenerator::do_ProfileInvoke(ProfileInvoke* x) {
// accessors are also always mature.
if (!x->inlinee()->is_accessor()) {
CodeEmitInfo* info = state_for(x, x->state(), true);
// Increment invocation counter, don't notify the runtime, because we don't inline loops,
increment_event_counter_impl(info, x->inlinee(), 0, InvocationEntryBci, false, false);
// Notify the runtime very infrequently only to take care of counter overflows
increment_event_counter_impl(info, x->inlinee(), (1 << Tier23InlineeNotifyFreqLog) - 1, InvocationEntryBci, false, true);
}
}

3
hotspot/src/share/vm/runtime/globals.hpp
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@ -3521,6 +3521,9 @@ class CommandLineFlags {
"C1 with MDO profiling (tier 3) invocation notification " \
"frequency.") \
\
product(intx, Tier23InlineeNotifyFreqLog, 20, \
"Inlinee invocation (tiers 2 and 3) notification frequency") \
\
product(intx, Tier0BackedgeNotifyFreqLog, 10, \
"Interpreter (tier 0) invocation notification frequency.") \
\