src/share/vm/services/dtraceAttacher.cpp
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src/share/vm/services/dtraceAttacher.cpp

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  34 
  35 class VM_DeoptimizeTheWorld : public VM_Operation {
  36  public:
  37   VMOp_Type type() const {
  38     return VMOp_DeoptimizeTheWorld;
  39   }
  40   void doit() {
  41     CodeCache::mark_all_nmethods_for_deoptimization();
  42     ResourceMark rm;
  43     DeoptimizationMarker dm;
  44     // Deoptimize all activations depending on marked methods
  45     Deoptimization::deoptimize_dependents();
  46 
  47     // Mark the dependent methods non entrant
  48     CodeCache::make_marked_nmethods_not_entrant();
  49   }
  50 };
  51 
  52 static void set_bool_flag(const char* flag, bool value) {
  53   CommandLineFlags::boolAtPut((char*)flag, strlen(flag), &value,
  54                               ATTACH_ON_DEMAND);
  55 }
  56 
  57 // Enable only the "fine grained" flags. Do *not* touch
  58 // the overall "ExtendedDTraceProbes" flag.
  59 void DTrace::enable_dprobes(int probes) {
  60   bool changed = false;
  61   if (!DTraceAllocProbes && (probes & DTRACE_ALLOC_PROBES)) {
  62     set_bool_flag("DTraceAllocProbes", true);
  63     changed = true;
  64   }
  65   if (!DTraceMethodProbes && (probes & DTRACE_METHOD_PROBES)) {
  66     set_bool_flag("DTraceMethodProbes", true);
  67     changed = true;
  68   }
  69   if (!DTraceMonitorProbes && (probes & DTRACE_MONITOR_PROBES)) {
  70     set_bool_flag("DTraceMonitorProbes", true);
  71     changed = true;
  72   }
  73 
  74   if (changed) {




  34 
  35 class VM_DeoptimizeTheWorld : public VM_Operation {
  36  public:
  37   VMOp_Type type() const {
  38     return VMOp_DeoptimizeTheWorld;
  39   }
  40   void doit() {
  41     CodeCache::mark_all_nmethods_for_deoptimization();
  42     ResourceMark rm;
  43     DeoptimizationMarker dm;
  44     // Deoptimize all activations depending on marked methods
  45     Deoptimization::deoptimize_dependents();
  46 
  47     // Mark the dependent methods non entrant
  48     CodeCache::make_marked_nmethods_not_entrant();
  49   }
  50 };
  51 
  52 static void set_bool_flag(const char* flag, bool value) {
  53   CommandLineFlags::boolAtPut((char*)flag, strlen(flag), &value,
  54                               Flag::ATTACH_ON_DEMAND);
  55 }
  56 
  57 // Enable only the "fine grained" flags. Do *not* touch
  58 // the overall "ExtendedDTraceProbes" flag.
  59 void DTrace::enable_dprobes(int probes) {
  60   bool changed = false;
  61   if (!DTraceAllocProbes && (probes & DTRACE_ALLOC_PROBES)) {
  62     set_bool_flag("DTraceAllocProbes", true);
  63     changed = true;
  64   }
  65   if (!DTraceMethodProbes && (probes & DTRACE_METHOD_PROBES)) {
  66     set_bool_flag("DTraceMethodProbes", true);
  67     changed = true;
  68   }
  69   if (!DTraceMonitorProbes && (probes & DTRACE_MONITOR_PROBES)) {
  70     set_bool_flag("DTraceMonitorProbes", true);
  71     changed = true;
  72   }
  73 
  74   if (changed) {


src/share/vm/services/dtraceAttacher.cpp
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