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8153013: BlockingCompilation test times out

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Task has no invocation count and get stale at once

Reviewed-by: kvn, iveresov, twisti
This commit is contained in:
Nils Eliasson 2016-04-13 14:48:22 +02:00
parent c8593eff81
commit 90d0e9a566
12 changed files with 95 additions and 46 deletions
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48
hotspot/src/share/vm/compiler/compileTask.hpp
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@ -40,6 +40,39 @@ class CompileTask : public CHeapObj<mtCompiler> {
friend class VMStructs;
friend class JVMCIVMStructs;
public:
// Different reasons for a compilation
// The order is important - Reason_Whitebox and higher can not become
// stale, see CompileTask::can_become_stale()
// Also mapped to reason_names[]
enum CompileReason {
Reason_None,
Reason_InvocationCount, // Simple/StackWalk-policy
Reason_BackedgeCount, // Simple/StackWalk-policy
Reason_Tiered, // Tiered-policy
Reason_CTW, // Compile the world
Reason_Replay, // ciReplay
Reason_Whitebox, // Whitebox API
Reason_MustBeCompiled, // Java callHelper, LinkResolver
Reason_Bootstrap, // JVMCI bootstrap
Reason_Count
};
static const char* reason_name(CompileTask::CompileReason compile_reason) {
static const char* reason_names[] = {
"no_reason",
"count",
"backedge_count",
"tiered",
"CTW",
"replay",
"whitebox",
"must_be_compiled",
"bootstrap"
};
return reason_names[compile_reason];
}
private:
static CompileTask* _task_free_list;
#ifdef ASSERT
@ -69,7 +102,7 @@ class CompileTask : public CHeapObj<mtCompiler> {
Method* _hot_method; // which method actually triggered this task
jobject _hot_method_holder;
int _hot_count; // information about its invocation counter
const char* _comment; // more info about the task
CompileReason _compile_reason; // more info about the task
const char* _failure_reason;
public:
@ -78,8 +111,8 @@ class CompileTask : public CHeapObj<mtCompiler> {
}
void initialize(int compile_id, const methodHandle& method, int osr_bci, int comp_level,
const methodHandle& hot_method, int hot_count, const char* comment,
bool is_blocking);
const methodHandle& hot_method, int hot_count,
CompileTask::CompileReason compile_reason, bool is_blocking);
static CompileTask* allocate();
static void free(CompileTask* task);
@ -91,6 +124,15 @@ class CompileTask : public CHeapObj<mtCompiler> {
bool is_complete() const { return _is_complete; }
bool is_blocking() const { return _is_blocking; }
bool is_success() const { return _is_success; }
bool can_become_stale() const {
switch (_compile_reason) {
case Reason_BackedgeCount:
case Reason_InvocationCount:
case Reason_Tiered:
return !_is_blocking;
}
return false;
}
#if INCLUDE_JVMCI
bool has_waiter() const { return _has_waiter; }
void clear_waiter() { _has_waiter = false; }