hotspot/src/share/vm/services/dtraceAttacher.hpp
author coleenp
Fri, 23 Mar 2012 11:16:05 -0400
changeset 12263 d20640f4f8fe
parent 7397 5b173b4ca846
permissions -rw-r--r--
7150058: Allocate symbols from null boot loader to an arena for NMT Summary: Move symbol allocation to an arena so NMT doesn't have to track them at startup. Reviewed-by: never, kamg, zgu

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_VM_SERVICES_DTRACEATTACHER_HPP
#define SHARE_VM_SERVICES_DTRACEATTACHER_HPP

#define DTRACE_ALLOC_PROBES    0x1
#define DTRACE_METHOD_PROBES   0x2
#define DTRACE_MONITOR_PROBES  0x4
#define DTRACE_ALL_PROBES      (DTRACE_ALLOC_PROBES  | \
                                DTRACE_METHOD_PROBES | \
                                DTRACE_MONITOR_PROBES)

class DTrace : public AllStatic {
 private:
  // disable one or more probes - OR above constants
  static void disable_dprobes(int probe_types);

 public:
  // enable one or more probes - OR above constants
  static void enable_dprobes(int probe_types);
  // all clients detached, do any clean-up
  static void detach_all_clients();
  // set ExtendedDTraceProbes flag
  static void set_extended_dprobes(bool value);
  // set DTraceMonitorProbes flag
  static void set_monitor_dprobes(bool value);
};

#endif // SHARE_VM_SERVICES_DTRACEATTACHER_HPP