8028468: Add inlining information into ciReplay

Summary: Allow dump and replay inlining for specified method during a program execution.
Reviewed-by: roland, twisti

14 files changed, 615 insertions, 167 deletions

diff --git a/src/share/vm/c1/c1_Compilation.hpp b/src/share/vm/c1/c1_Compilation.hpp
index 679ff609a..8953d527d 100644
--- a/src/share/vm/c1/c1_Compilation.hpp
+++ b/src/share/vm/c1/c1_Compilation.hpp
@@ -259,6 +259,9 @@ class Compilation: public StackObj {
   }
 
   ciKlass* cha_exact_type(ciType* type);
+
+  // Dump inlining replay data to the stream.
+  void dump_inline_data(outputStream* out) { /* do nothing now */ }
 };
 
 
diff --git a/src/share/vm/ci/ciEnv.cpp b/src/share/vm/ci/ciEnv.cpp
index 9cc86db90..dcb347280 100644
--- a/src/share/vm/ci/ciEnv.cpp
+++ b/src/share/vm/ci/ciEnv.cpp
@@ -1147,6 +1147,33 @@ ciInstance* ciEnv::unloaded_ciinstance() {
 
 // Don't change thread state and acquire any locks.
 // Safe to call from VM error reporter.
+
+void ciEnv::dump_compile_data(outputStream* out) {
+  CompileTask* task = this->task();
+  Method* method = task->method();
+  int entry_bci = task->osr_bci();
+  int comp_level = task->comp_level();
+  out->print("compile %s %s %s %d %d",
+                method->klass_name()->as_quoted_ascii(),
+                method->name()->as_quoted_ascii(),
+                method->signature()->as_quoted_ascii(),
+                entry_bci, comp_level);
+  if (compiler_data() != NULL) {
+    if (is_c2_compile(comp_level)) { // C2 or Shark
+#ifdef COMPILER2
+      // Dump C2 inlining data.
+      ((Compile*)compiler_data())->dump_inline_data(out);
+#endif
+    } else if (is_c1_compile(comp_level)) { // C1
+#ifdef COMPILER1
+      // Dump C1 inlining data.
+      ((Compilation*)compiler_data())->dump_inline_data(out);
+#endif
+    }
+  }
+  out->cr();
+}
+
 void ciEnv::dump_replay_data_unsafe(outputStream* out) {
   ResourceMark rm;
 #if INCLUDE_JVMTI
@@ -1160,16 +1187,7 @@ void ciEnv::dump_replay_data_unsafe(outputStream* out) {
   for (int i = 0; i < objects->length(); i++) {
     objects->at(i)->dump_replay_data(out);
   }
-  CompileTask* task = this->task();
-  Method* method = task->method();
-  int entry_bci = task->osr_bci();
-  int comp_level = task->comp_level();
-  // Klass holder = method->method_holder();
-  out->print_cr("compile %s %s %s %d %d",
-                method->klass_name()->as_quoted_ascii(),
-                method->name()->as_quoted_ascii(),
-                method->signature()->as_quoted_ascii(),
-                entry_bci, comp_level);
+  dump_compile_data(out);
   out->flush();
 }
 
@@ -1179,3 +1197,45 @@ void ciEnv::dump_replay_data(outputStream* out) {
     dump_replay_data_unsafe(out);
   )
 }
+
+void ciEnv::dump_replay_data(int compile_id) {
+  static char buffer[O_BUFLEN];
+  int ret = jio_snprintf(buffer, O_BUFLEN, "replay_pid%p_compid%d.log", os::current_process_id(), compile_id);
+  if (ret > 0) {
+    int fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
+    if (fd != -1) {
+      FILE* replay_data_file = os::open(fd, "w");
+      if (replay_data_file != NULL) {
+        fileStream replay_data_stream(replay_data_file, /*need_close=*/true);
+        dump_replay_data(&replay_data_stream);
+        tty->print("# Compiler replay data is saved as: ");
+        tty->print_cr(buffer);
+      } else {
+        tty->print_cr("# Can't open file to dump replay data.");
+      }
+    }
+  }
+}
+
+void ciEnv::dump_inline_data(int compile_id) {
+  static char buffer[O_BUFLEN];
+  int ret = jio_snprintf(buffer, O_BUFLEN, "inline_pid%p_compid%d.log", os::current_process_id(), compile_id);
+  if (ret > 0) {
+    int fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
+    if (fd != -1) {
+      FILE* inline_data_file = os::open(fd, "w");
+      if (inline_data_file != NULL) {
+        fileStream replay_data_stream(inline_data_file, /*need_close=*/true);
+        GUARDED_VM_ENTRY(
+          MutexLocker ml(Compile_lock);
+          dump_compile_data(&replay_data_stream);
+        )
+        replay_data_stream.flush();
+        tty->print("# Compiler inline data is saved as: ");
+        tty->print_cr(buffer);
+      } else {
+        tty->print_cr("# Can't open file to dump inline data.");
+      }
+    }
+  }
+}
diff --git a/src/share/vm/ci/ciEnv.hpp b/src/share/vm/ci/ciEnv.hpp
index 8d9d48fb5..5a0bd1f13 100644
--- a/src/share/vm/ci/ciEnv.hpp
+++ b/src/share/vm/ci/ciEnv.hpp
@@ -451,8 +451,11 @@ public:
   void metadata_do(void f(Metadata*)) { _factory->metadata_do(f); }
 
   // Dump the compilation replay data for the ciEnv to the stream.
+  void dump_replay_data(int compile_id);
+  void dump_inline_data(int compile_id);
   void dump_replay_data(outputStream* out);
   void dump_replay_data_unsafe(outputStream* out);
+  void dump_compile_data(outputStream* out);
 };
 
 #endif // SHARE_VM_CI_CIENV_HPP
diff --git a/src/share/vm/ci/ciMethod.cpp b/src/share/vm/ci/ciMethod.cpp
index dd411642a..923331ede 100644
--- a/src/share/vm/ci/ciMethod.cpp
+++ b/src/share/vm/ci/ciMethod.cpp
@@ -1357,15 +1357,21 @@ ciMethodBlocks  *ciMethod::get_method_blocks() {
 
 #undef FETCH_FLAG_FROM_VM
 
+void ciMethod::dump_name_as_ascii(outputStream* st) {
+  Method* method = get_Method();
+  st->print("%s %s %s",
+            method->klass_name()->as_quoted_ascii(),
+            method->name()->as_quoted_ascii(),
+            method->signature()->as_quoted_ascii());
+}
+
 void ciMethod::dump_replay_data(outputStream* st) {
   ResourceMark rm;
   Method* method = get_Method();
   MethodCounters* mcs = method->method_counters();
-  Klass*  holder = method->method_holder();
-  st->print_cr("ciMethod %s %s %s %d %d %d %d %d",
-               holder->name()->as_quoted_ascii(),
-               method->name()->as_quoted_ascii(),
-               method->signature()->as_quoted_ascii(),
+  st->print("ciMethod ");
+  dump_name_as_ascii(st);
+  st->print_cr(" %d %d %d %d %d",
                mcs == NULL ? 0 : mcs->invocation_counter()->raw_counter(),
                mcs == NULL ? 0 : mcs->backedge_counter()->raw_counter(),
                interpreter_invocation_count(),
diff --git a/src/share/vm/ci/ciMethod.hpp b/src/share/vm/ci/ciMethod.hpp
index 604babb00..d7ddba87b 100644
--- a/src/share/vm/ci/ciMethod.hpp
+++ b/src/share/vm/ci/ciMethod.hpp
@@ -310,10 +310,13 @@ class ciMethod : public ciMetadata {
   bool is_accessor    () const;
   bool is_initializer () const;
   bool can_be_statically_bound() const           { return _can_be_statically_bound; }
-  void dump_replay_data(outputStream* st);
   bool is_boxing_method() const;
   bool is_unboxing_method() const;
 
+  // Replay data methods
+  void dump_name_as_ascii(outputStream* st);
+  void dump_replay_data(outputStream* st);
+
   // Print the bytecodes of this method.
   void print_codes_on(outputStream* st);
   void print_codes() {
diff --git a/src/share/vm/ci/ciReplay.cpp b/src/share/vm/ci/ciReplay.cpp
index 3c8ccf9bb..e88081509 100644
--- a/src/share/vm/ci/ciReplay.cpp
+++ b/src/share/vm/ci/ciReplay.cpp
@@ -24,6 +24,8 @@
 #include "precompiled.hpp"
 #include "ci/ciMethodData.hpp"
 #include "ci/ciReplay.hpp"
+#include "ci/ciSymbol.hpp"
+#include "ci/ciKlass.hpp"
 #include "ci/ciUtilities.hpp"
 #include "compiler/compileBroker.hpp"
 #include "memory/allocation.inline.hpp"
@@ -37,74 +39,107 @@
 // ciReplay
 
 typedef struct _ciMethodDataRecord {
-  const char* klass;
-  const char* method;
-  const char* signature;
-  int state;
-  int current_mileage;
-  intptr_t* data;
-  int data_length;
-  char* orig_data;
-  int orig_data_length;
-  int oops_length;
-  jobject* oops_handles;
-  int* oops_offsets;
+  const char* _klass_name;
+  const char* _method_name;
+  const char* _signature;
+
+  int _state;
+  int _current_mileage;
+
+  intptr_t* _data;
+  char*     _orig_data;
+  jobject*  _oops_handles;
+  int*      _oops_offsets;
+  int       _data_length;
+  int       _orig_data_length;
+  int       _oops_length;
 } ciMethodDataRecord;
 
 typedef struct _ciMethodRecord {
-  const char* klass;
-  const char* method;
-  const char* signature;
-  int instructions_size;
-  int interpreter_invocation_count;
-  int interpreter_throwout_count;
-  int invocation_counter;
-  int backedge_counter;
+  const char* _klass_name;
+  const char* _method_name;
+  const char* _signature;
+
+  int _instructions_size;
+  int _interpreter_invocation_count;
+  int _interpreter_throwout_count;
+  int _invocation_counter;
+  int _backedge_counter;
 } ciMethodRecord;
 
-class CompileReplay;
+typedef struct _ciInlineRecord {
+  const char* _klass_name;
+  const char* _method_name;
+  const char* _signature;
+
+  int _inline_depth;
+  int _inline_bci;
+} ciInlineRecord;
+
+class  CompileReplay;
 static CompileReplay* replay_state;
 
 class CompileReplay : public StackObj {
  private:
-  FILE*   stream;
-  Thread* thread;
-  Handle  protection_domain;
-  Handle  loader;
+  FILE*   _stream;
+  Thread* _thread;
+  Handle  _protection_domain;
+  Handle  _loader;
+
+  GrowableArray<ciMethodRecord*>     _ci_method_records;
+  GrowableArray<ciMethodDataRecord*> _ci_method_data_records;
 
-  GrowableArray<ciMethodRecord*>     ci_method_records;
-  GrowableArray<ciMethodDataRecord*> ci_method_data_records;
+  // Use pointer because we may need to return inline records
+  // without destroying them.
+  GrowableArray<ciInlineRecord*>*    _ci_inline_records;
 
   const char* _error_message;
 
-  char* bufptr;
-  char* buffer;
-  int   buffer_length;
-  int   buffer_end;
-  int   line_no;
+  char* _bufptr;
+  char* _buffer;
+  int   _buffer_length;
+  int   _buffer_pos;
+
+  // "compile" data
+  ciKlass* _iklass;
+  Method*  _imethod;
+  int      _entry_bci;
+  int      _comp_level;
 
  public:
   CompileReplay(const char* filename, TRAPS) {
-    thread = THREAD;
-    loader = Handle(thread, SystemDictionary::java_system_loader());
-    stream = fopen(filename, "rt");
-    if (stream == NULL) {
+    _thread = THREAD;
+    _loader = Handle(_thread, SystemDictionary::java_system_loader());
+    _protection_domain = Handle();
+
+    _stream = fopen(filename, "rt");
+    if (_stream == NULL) {
       fprintf(stderr, "ERROR: Can't open replay file %s\n", filename);
     }
-    buffer_length = 32;
-    buffer = NEW_RESOURCE_ARRAY(char, buffer_length);
+
+    _ci_inline_records = NULL;
     _error_message = NULL;
 
+    _buffer_length = 32;
+    _buffer = NEW_RESOURCE_ARRAY(char, _buffer_length);
+    _bufptr = _buffer;
+    _buffer_pos = 0;
+
+    _imethod = NULL;
+    _iklass  = NULL;
+    _entry_bci  = 0;
+    _comp_level = 0;
+
     test();
   }
 
   ~CompileReplay() {
-    if (stream != NULL) fclose(stream);
+    if (_stream != NULL) fclose(_stream);
   }
 
   void test() {
-    strcpy(buffer, "1 2 foo 4 bar 0x9 \"this is it\"");
-    bufptr = buffer;
+    strcpy(_buffer, "1 2 foo 4 bar 0x9 \"this is it\"");
+    _bufptr = _buffer;
     assert(parse_int("test") == 1, "what");
     assert(parse_int("test") == 2, "what");
     assert(strcmp(parse_string(), "foo") == 0, "what");
@@ -115,18 +150,18 @@ class CompileReplay : public StackObj {
   }
 
   bool had_error() {
-    return _error_message != NULL || thread->has_pending_exception();
+    return _error_message != NULL || _thread->has_pending_exception();
   }
 
   bool can_replay() {
-    return !(stream == NULL || had_error());
+    return !(_stream == NULL || had_error());
   }
 
   void report_error(const char* msg) {
     _error_message = msg;
-    // Restore the buffer contents for error reporting
-    for (int i = 0; i < buffer_end; i++) {
-      if (buffer[i] == '\0') buffer[i] = ' ';
+    // Restore the _buffer contents for error reporting
+    for (int i = 0; i < _buffer_pos; i++) {
+      if (_buffer[i] == '\0') _buffer[i] = ' ';
     }
   }
 
@@ -137,10 +172,10 @@ class CompileReplay : public StackObj {
 
     int v = 0;
     int read;
-    if (sscanf(bufptr, "%i%n", &v, &read) != 1) {
+    if (sscanf(_bufptr, "%i%n", &v, &read) != 1) {
       report_error(label);
     } else {
-      bufptr += read;
+      _bufptr += read;
     }
     return v;
   }
@@ -152,31 +187,31 @@ class CompileReplay : public StackObj {
 
     intptr_t v = 0;
     int read;
-    if (sscanf(bufptr, INTPTR_FORMAT "%n", &v, &read) != 1) {
+    if (sscanf(_bufptr, INTPTR_FORMAT "%n", &v, &read) != 1) {
       report_error(label);
     } else {
-      bufptr += read;
+      _bufptr += read;
     }
     return v;
   }
 
   void skip_ws() {
     // Skip any leading whitespace
-    while (*bufptr == ' ' || *bufptr == '\t') {
-      bufptr++;
+    while (*_bufptr == ' ' || *_bufptr == '\t') {
+      _bufptr++;
     }
   }
 
 
   char* scan_and_terminate(char delim) {
-    char* str = bufptr;
-    while (*bufptr != delim && *bufptr != '\0') {
-      bufptr++;
+    char* str = _bufptr;
+    while (*_bufptr != delim && *_bufptr != '\0') {
+      _bufptr++;
     }
-    if (*bufptr != '\0') {
-      *bufptr++ = '\0';
+    if (*_bufptr != '\0') {
+      *_bufptr++ = '\0';
     }
-    if (bufptr == str) {
+    if (_bufptr == str) {
       // nothing here
       return NULL;
     }
@@ -195,8 +230,8 @@ class CompileReplay : public StackObj {
 
     skip_ws();
 
-    if (*bufptr == '"') {
-      bufptr++;
+    if (*_bufptr == '"') {
+      _bufptr++;
       return scan_and_terminate('"');
     } else {
       return scan_and_terminate(' ');
@@ -273,7 +308,12 @@ class CompileReplay : public StackObj {
     const char* str = parse_escaped_string();
     Symbol* klass_name = SymbolTable::lookup(str, (int)strlen(str), CHECK_NULL);
     if (klass_name != NULL) {
-      Klass* k = SystemDictionary::resolve_or_fail(klass_name, loader, protection_domain, true, THREAD);
+      Klass* k = NULL;
+      if (_iklass != NULL) {
+        k = (Klass*)_iklass->find_klass(ciSymbol::make(klass_name->as_C_string()))->constant_encoding();
+      } else {
+        k = SystemDictionary::resolve_or_fail(klass_name, _loader, _protection_domain, true, THREAD);
+      }
       if (HAS_PENDING_EXCEPTION) {
         oop throwable = PENDING_EXCEPTION;
         java_lang_Throwable::print(throwable, tty);
@@ -289,7 +329,7 @@ class CompileReplay : public StackObj {
   // Lookup a klass
   Klass* resolve_klass(const char* klass, TRAPS) {
     Symbol* klass_name = SymbolTable::lookup(klass, (int)strlen(klass), CHECK_NULL);
-    return SystemDictionary::resolve_or_fail(klass_name, loader, protection_domain, true, CHECK_NULL);
+    return SystemDictionary::resolve_or_fail(klass_name, _loader, _protection_domain, true, CHECK_NULL);
   }
 
   // Parse the standard tuple of <klass> <name> <signature>
@@ -304,40 +344,45 @@ class CompileReplay : public StackObj {
     return m;
   }
 
-  // Process each line of the replay file executing each command until
-  // the file ends.
-  void process(TRAPS) {
-    line_no = 1;
-    int pos = 0;
-    int c = getc(stream);
+  int get_line(int c) {
     while(c != EOF) {
-      if (pos + 1 >= buffer_length) {
-        int newl = buffer_length * 2;
-        char* newb = NEW_RESOURCE_ARRAY(char, newl);
-        memcpy(newb, buffer, pos);
-        buffer = newb;
-        buffer_length = newl;
+      if (_buffer_pos + 1 >= _buffer_length) {
+        int new_length = _buffer_length * 2;
+        // Next call will throw error in case of OOM.
+        _buffer = REALLOC_RESOURCE_ARRAY(char, _buffer, _buffer_length, new_length);
+        _buffer_length = new_length;
       }
       if (c == '\n') {
-        // null terminate it, reset the pointer and process the line
-        buffer[pos] = '\0';
-        buffer_end = pos++;
-        bufptr = buffer;
-        process_command(CHECK);
-        if (had_error()) {
-          tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message);
-          tty->print_cr("%s", buffer);
-          return;
-        }
-        pos = 0;
-        buffer_end = 0;
-        line_no++;
+        c = getc(_stream); // get next char
+        break;
       } else if (c == '\r') {
         // skip LF
       } else {
-        buffer[pos++] = c;
+        _buffer[_buffer_pos++] = c;
       }
-      c = getc(stream);
+      c = getc(_stream);
+    }
+    // null terminate it, reset the pointer
+    _buffer[_buffer_pos] = '\0'; // NL or EOF
+    _buffer_pos = 0;
+    _bufptr = _buffer;
+    return c;
+  }
+
+  // Process each line of the replay file executing each command until
+  // the file ends.
+  void process(TRAPS) {
+    int line_no = 1;
+    int c = getc(_stream);
+    while(c != EOF) {
+      c = get_line(c);
+      process_command(CHECK);
+      if (had_error()) {
+        tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message);
+        tty->print_cr("%s", _buffer);
+        return;
+      }
+      line_no++;
     }
   }
 
@@ -396,7 +441,37 @@ class CompileReplay : public StackObj {
     return true;
   }
 
-  // compile <klass> <name> <signature> <entry_bci> <comp_level>
+  // compile <klass> <name> <signature> <entry_bci> <comp_level> inline <count> <depth> <bci> <klass> <name> <signature> ...
+  void* process_inline(ciMethod* imethod, Method* m, int entry_bci, int comp_level, TRAPS) {
+    _imethod    = m;
+    _iklass     = imethod->holder();
+    _entry_bci  = entry_bci;
+    _comp_level = comp_level;
+    int line_no = 1;
+    int c = getc(_stream);
+    while(c != EOF) {
+      c = get_line(c);
+      // Expecting only lines with "compile" command in inline replay file.
+      char* cmd = parse_string();
+      if (cmd == NULL || strcmp("compile", cmd) != 0) {
+        return NULL;
+      }
+      process_compile(CHECK_NULL);
+      if (had_error()) {
+        tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message);
+        tty->print_cr("%s", _buffer);
+        return NULL;
+      }
+      if (_ci_inline_records != NULL && _ci_inline_records->length() > 0) {
+        // Found inlining record for the requested method.
+        return _ci_inline_records;
+      }
+      line_no++;
+    }
+    return NULL;
+  }
+
+  // compile <klass> <name> <signature> <entry_bci> <comp_level> inline <count> <depth> <bci> <klass> <name> <signature> ...
   void process_compile(TRAPS) {
     Method* method = parse_method(CHECK);
     if (had_error()) return;
@@ -410,6 +485,43 @@ class CompileReplay : public StackObj {
     if (!is_valid_comp_level(comp_level)) {
       return;
     }
+    if (_imethod != NULL) {
+      // Replay Inlining
+      if (entry_bci != _entry_bci || comp_level != _comp_level) {
+        return;
+      }
+      const char* iklass_name  = _imethod->method_holder()->name()->as_utf8();
+      const char* imethod_name = _imethod->name()->as_utf8();
+      const char* isignature   = _imethod->signature()->as_utf8();
+      const char* klass_name   = method->method_holder()->name()->as_utf8();
+      const char* method_name  = method->name()->as_utf8();
+      const char* signature    = method->signature()->as_utf8();
+      if (strcmp(iklass_name,  klass_name)  != 0 ||
+          strcmp(imethod_name, method_name) != 0 ||
+          strcmp(isignature,   signature)   != 0) {
+        return;
+      }
+    }
+    int inline_count = 0;
+    if (parse_tag_and_count("inline", inline_count)) {
+      // Record inlining data
+      _ci_inline_records = new GrowableArray<ciInlineRecord*>();
+      for (int i = 0; i < inline_count; i++) {
+        int depth = parse_int("inline_depth");
+        int bci = parse_int("inline_bci");
+        if (had_error()) {
+          break;
+        }
+        Method* inl_method = parse_method(CHECK);
+        if (had_error()) {
+          break;
+        }
+        new_ciInlineRecord(inl_method, bci, depth);
+      }
+    }
+    if (_imethod != NULL) {
+      return; // Replay Inlining
+    }
     Klass* k = method->method_holder();
     ((InstanceKlass*)k)->initialize(THREAD);
     if (HAS_PENDING_EXCEPTION) {
@@ -442,11 +554,11 @@ class CompileReplay : public StackObj {
     Method* method = parse_method(CHECK);
     if (had_error()) return;
     ciMethodRecord* rec = new_ciMethod(method);
-    rec->invocation_counter = parse_int("invocation_counter");
-    rec->backedge_counter = parse_int("backedge_counter");
-    rec->interpreter_invocation_count = parse_int("interpreter_invocation_count");
-    rec->interpreter_throwout_count = parse_int("interpreter_throwout_count");
-    rec->instructions_size = parse_int("instructions_size");
+    rec->_invocation_counter = parse_int("invocation_counter");
+    rec->_backedge_counter = parse_int("backedge_counter");
+    rec->_interpreter_invocation_count = parse_int("interpreter_invocation_count");
+    rec->_interpreter_throwout_count = parse_int("interpreter_throwout_count");
+    rec->_instructions_size = parse_int("instructions_size");
   }
 
   // ciMethodData <klass> <name> <signature> <state> <current mileage> orig <length> # # ... data <length> # # ... oops <length>
@@ -471,32 +583,32 @@ class CompileReplay : public StackObj {
 
     // collect and record all the needed information for later
     ciMethodDataRecord* rec = new_ciMethodData(method);
-    rec->state = parse_int("state");
-    rec->current_mileage = parse_int("current_mileage");
+    rec->_state = parse_int("state");
+    rec->_current_mileage = parse_int("current_mileage");
 
-    rec->orig_data = parse_data("orig", rec->orig_data_length);
-    if (rec->orig_data == NULL) {
+    rec->_orig_data = parse_data("orig", rec->_orig_data_length);
+    if (rec->_orig_data == NULL) {
       return;
     }
-    rec->data = parse_intptr_data("data", rec->data_length);
-    if (rec->data == NULL) {
+    rec->_data = parse_intptr_data("data", rec->_data_length);
+    if (rec->_data == NULL) {
       return;
     }
-    if (!parse_tag_and_count("oops", rec->oops_length)) {
+    if (!parse_tag_and_count("oops", rec->_oops_length)) {
       return;
     }
-    rec->oops_handles = NEW_RESOURCE_ARRAY(jobject, rec->oops_length);
-    rec->oops_offsets = NEW_RESOURCE_ARRAY(int, rec->oops_length);
-    for (int i = 0; i < rec->oops_length; i++) {
+    rec->_oops_handles = NEW_RESOURCE_ARRAY(jobject, rec->_oops_length);
+    rec->_oops_offsets = NEW_RESOURCE_ARRAY(int, rec->_oops_length);
+    for (int i = 0; i < rec->_oops_length; i++) {
       int offset = parse_int("offset");
       if (had_error()) {
         return;
       }
       Klass* k = parse_klass(CHECK);
-      rec->oops_offsets[i] = offset;
+      rec->_oops_offsets[i] = offset;
       KlassHandle *kh = NEW_C_HEAP_OBJ(KlassHandle, mtCompiler);
       ::new ((void*)kh) KlassHandle(THREAD, k);
-      rec->oops_handles[i] = (jobject)kh;
+      rec->_oops_handles[i] = (jobject)kh;
     }
   }
 
@@ -570,6 +682,9 @@ class CompileReplay : public StackObj {
         case JVM_CONSTANT_Utf8:
         case JVM_CONSTANT_Integer:
         case JVM_CONSTANT_Float:
+        case JVM_CONSTANT_MethodHandle:
+        case JVM_CONSTANT_MethodType:
+        case JVM_CONSTANT_InvokeDynamic:
           if (tag != cp->tag_at(i).value()) {
             report_error("tag mismatch: wrong class files?");
             return;
@@ -729,10 +844,10 @@ class CompileReplay : public StackObj {
   // Create and initialize a record for a ciMethod
   ciMethodRecord* new_ciMethod(Method* method) {
     ciMethodRecord* rec = NEW_RESOURCE_OBJ(ciMethodRecord);
-    rec->klass =  method->method_holder()->name()->as_utf8();
-    rec->method = method->name()->as_utf8();
-    rec->signature = method->signature()->as_utf8();
-    ci_method_records.append(rec);
+    rec->_klass_name =  method->method_holder()->name()->as_utf8();
+    rec->_method_name = method->name()->as_utf8();
+    rec->_signature = method->signature()->as_utf8();
+    _ci_method_records.append(rec);
     return rec;
   }
 
@@ -741,11 +856,11 @@ class CompileReplay : public StackObj {
     const char* klass_name =  method->method_holder()->name()->as_utf8();
     const char* method_name = method->name()->as_utf8();
     const char* signature = method->signature()->as_utf8();
-    for (int i = 0; i < ci_method_records.length(); i++) {
-      ciMethodRecord* rec = ci_method_records.at(i);
-      if (strcmp(rec->klass, klass_name) == 0 &&
-          strcmp(rec->method, method_name) == 0 &&
-          strcmp(rec->signature, signature) == 0) {
+    for (int i = 0; i < _ci_method_records.length(); i++) {
+      ciMethodRecord* rec = _ci_method_records.at(i);
+      if (strcmp(rec->_klass_name, klass_name) == 0 &&
+          strcmp(rec->_method_name, method_name) == 0 &&
+          strcmp(rec->_signature, signature) == 0) {
         return rec;
       }
     }
@@ -755,10 +870,10 @@ class CompileReplay : public StackObj {
   // Create and initialize a record for a ciMethodData
   ciMethodDataRecord* new_ciMethodData(Method* method) {
     ciMethodDataRecord* rec = NEW_RESOURCE_OBJ(ciMethodDataRecord);
-    rec->klass =  method->method_holder()->name()->as_utf8();
-    rec->method = method->name()->as_utf8();
-    rec->signature = method->signature()->as_utf8();
-    ci_method_data_records.append(rec);
+    rec->_klass_name =  method->method_holder()->name()->as_utf8();
+    rec->_method_name = method->name()->as_utf8();
+    rec->_signature = method->signature()->as_utf8();
+    _ci_method_data_records.append(rec);
     return rec;
   }
 
@@ -767,25 +882,65 @@ class CompileReplay : public StackObj {
     const char* klass_name =  method->method_holder()->name()->as_utf8();
     const char* method_name = method->name()->as_utf8();
     const char* signature = method->signature()->as_utf8();
-    for (int i = 0; i < ci_method_data_records.length(); i++) {
-      ciMethodDataRecord* rec = ci_method_data_records.at(i);
-      if (strcmp(rec->klass, klass_name) == 0 &&
-          strcmp(rec->method, method_name) == 0 &&
-          strcmp(rec->signature, signature) == 0) {
+    for (int i = 0; i < _ci_method_data_records.length(); i++) {
+      ciMethodDataRecord* rec = _ci_method_data_records.at(i);
+      if (strcmp(rec->_klass_name, klass_name) == 0 &&
+          strcmp(rec->_method_name, method_name) == 0 &&
+          strcmp(rec->_signature, signature) == 0) {
         return rec;
       }
     }
     return NULL;
   }
 
+  // Create and initialize a record for a ciInlineRecord
+  ciInlineRecord* new_ciInlineRecord(Method* method, int bci, int depth) {
+    ciInlineRecord* rec = NEW_RESOURCE_OBJ(ciInlineRecord);
+    rec->_klass_name =  method->method_holder()->name()->as_utf8();
+    rec->_method_name = method->name()->as_utf8();
+    rec->_signature = method->signature()->as_utf8();
+    rec->_inline_bci = bci;
+    rec->_inline_depth = depth;
+    _ci_inline_records->append(rec);
+    return rec;
+  }
+
+  // Lookup inlining data for a ciMethod
+  ciInlineRecord* find_ciInlineRecord(Method* method, int bci, int depth) {
+    if (_ci_inline_records != NULL) {
+      return find_ciInlineRecord(_ci_inline_records, method, bci, depth);
+    }
+    return NULL;
+  }
+
+  static ciInlineRecord* find_ciInlineRecord(GrowableArray<ciInlineRecord*>*  records,
+                                      Method* method, int bci, int depth) {
+    if (records != NULL) {
+      const char* klass_name  = method->method_holder()->name()->as_utf8();
+      const char* method_name = method->name()->as_utf8();
+      const char* signature   = method->signature()->as_utf8();
+      for (int i = 0; i < records->length(); i++) {
+        ciInlineRecord* rec = records->at(i);
+        if ((rec->_inline_bci == bci) &&
+            (rec->_inline_depth == depth) &&
+            (strcmp(rec->_klass_name, klass_name) == 0) &&
+            (strcmp(rec->_method_name, method_name) == 0) &&
+            (strcmp(rec->_signature, signature) == 0)) {
+          return rec;
+        }
+      }
+    }
+    return NULL;
+  }
+
   const char* error_message() {
     return _error_message;
   }
 
   void reset() {
     _error_message = NULL;
-    ci_method_records.clear();
-    ci_method_data_records.clear();
+    _ci_method_records.clear();
+    _ci_method_data_records.clear();
   }
 
   // Take an ascii string contain \u#### escapes and convert it to utf8
@@ -845,6 +1000,37 @@ void ciReplay::replay(TRAPS) {
   vm_exit(exit_code);
 }
 
+void* ciReplay::load_inline_data(ciMethod* method, int entry_bci, int comp_level) {
+  if (FLAG_IS_DEFAULT(InlineDataFile)) {
+    tty->print_cr("ERROR: no inline replay data file specified (use -XX:InlineDataFile=inline_pid12345.txt).");
+    return NULL;
+  }
+
+  VM_ENTRY_MARK;
+  // Load and parse the replay data
+  CompileReplay rp(InlineDataFile, THREAD);
+  if (!rp.can_replay()) {
+    tty->print_cr("ciReplay: !rp.can_replay()");
+    return NULL;
+  }
+  void* data = rp.process_inline(method, method->get_Method(), entry_bci, comp_level, THREAD);
+  if (HAS_PENDING_EXCEPTION) {
+    oop throwable = PENDING_EXCEPTION;
+    CLEAR_PENDING_EXCEPTION;
+    java_lang_Throwable::print(throwable, tty);
+    tty->cr();
+    java_lang_Throwable::print_stack_trace(throwable, tty);
+    tty->cr();
+    return NULL;
+  }
+
+  if (rp.had_error()) {
+    tty->print_cr("ciReplay: Failed on %s", rp.error_message());
+    return NULL;
+  }
+  return data;
+}
+
 int ciReplay::replay_impl(TRAPS) {
   HandleMark hm;
   ResourceMark rm;
@@ -890,7 +1076,6 @@ int ciReplay::replay_impl(TRAPS) {
   return exit_code;
 }
 
-
 void ciReplay::initialize(ciMethodData* m) {
   if (replay_state == NULL) {
     return;
@@ -909,28 +1094,28 @@ void ciReplay::initialize(ciMethodData* m) {
     method->print_name(tty);
     tty->cr();
   } else {
-    m->_state = rec->state;
-    m->_current_mileage = rec->current_mileage;
-    if (rec->data_length != 0) {
-      assert(m->_data_size == rec->data_length * (int)sizeof(rec->data[0]), "must agree");
+    m->_state = rec->_state;
+    m->_current_mileage = rec->_current_mileage;
+    if (rec->_data_length != 0) {
+      assert(m->_data_size == rec->_data_length * (int)sizeof(rec->_data[0]), "must agree");
 
       // Write the correct ciObjects back into the profile data
       ciEnv* env = ciEnv::current();
-      for (int i = 0; i < rec->oops_length; i++) {
-        KlassHandle *h = (KlassHandle *)rec->oops_handles[i];
-        *(ciMetadata**)(rec->data + rec->oops_offsets[i]) =
+      for (int i = 0; i < rec->_oops_length; i++) {
+        KlassHandle *h = (KlassHandle *)rec->_oops_handles[i];
+        *(ciMetadata**)(rec->_data + rec->_oops_offsets[i]) =
           env->get_metadata((*h)());
       }
       // Copy the updated profile data into place as intptr_ts
 #ifdef _LP64
-      Copy::conjoint_jlongs_atomic((jlong *)rec->data, (jlong *)m->_data, rec->data_length);
+      Copy::conjoint_jlongs_atomic((jlong *)rec->_data, (jlong *)m->_data, rec->_data_length);
 #else
-      Copy::conjoint_jints_atomic((jint *)rec->data, (jint *)m->_data, rec->data_length);
+      Copy::conjoint_jints_atomic((jint *)rec->_data, (jint *)m->_data, rec->_data_length);
 #endif
     }
 
     // copy in the original header
-    Copy::conjoint_jbytes(rec->orig_data, (char*)&m->_orig, rec->orig_data_length);
+    Copy::conjoint_jbytes(rec->_orig_data, (char*)&m->_orig, rec->_orig_data_length);
   }
 }
 
@@ -939,12 +1124,38 @@ bool ciReplay::should_not_inline(ciMethod* method) {
   if (replay_state == NULL) {
     return false;
   }
-
   VM_ENTRY_MARK;
   // ciMethod without a record shouldn't be inlined.
   return replay_state->find_ciMethodRecord(method->get_Method()) == NULL;
 }
 
+bool ciReplay::should_inline(void* data, ciMethod* method, int bci, int inline_depth) {
+  if (data != NULL) {
+    GrowableArray<ciInlineRecord*>*  records = (GrowableArray<ciInlineRecord*>*)data;
+    VM_ENTRY_MARK;
+    // Inline record are ordered by bci and depth.
+    return CompileReplay::find_ciInlineRecord(records, method->get_Method(), bci, inline_depth) != NULL;
+  } else if (replay_state != NULL) {
+    VM_ENTRY_MARK;
+    // Inline record are ordered by bci and depth.
+    return replay_state->find_ciInlineRecord(method->get_Method(), bci, inline_depth) != NULL;
+  }
+  return false;
+}
+
+bool ciReplay::should_not_inline(void* data, ciMethod* method, int bci, int inline_depth) {
+  if (data != NULL) {
+    GrowableArray<ciInlineRecord*>*  records = (GrowableArray<ciInlineRecord*>*)data;
+    VM_ENTRY_MARK;
+    // Inline record are ordered by bci and depth.
+    return CompileReplay::find_ciInlineRecord(records, method->get_Method(), bci, inline_depth) == NULL;
+  } else if (replay_state != NULL) {
+    VM_ENTRY_MARK;
+    // Inline record are ordered by bci and depth.
+    return replay_state->find_ciInlineRecord(method->get_Method(), bci, inline_depth) == NULL;
+  }
+  return false;
+}
 
 void ciReplay::initialize(ciMethod* m) {
   if (replay_state == NULL) {
@@ -965,14 +1176,14 @@ void ciReplay::initialize(ciMethod* m) {
     tty->cr();
   } else {
     EXCEPTION_CONTEXT;
-    // m->_instructions_size = rec->instructions_size;
+    // m->_instructions_size = rec->_instructions_size;
     m->_instructions_size = -1;
-    m->_interpreter_invocation_count = rec->interpreter_invocation_count;
-    m->_interpreter_throwout_count = rec->interpreter_throwout_count;
+    m->_interpreter_invocation_count = rec->_interpreter_invocation_count;
+    m->_interpreter_throwout_count = rec->_interpreter_throwout_count;
     MethodCounters* mcs = method->get_method_counters(CHECK_AND_CLEAR);
     guarantee(mcs != NULL, "method counters allocation failed");
-    mcs->invocation_counter()->_counter = rec->invocation_counter;
-    mcs->backedge_counter()->_counter = rec->backedge_counter;
+    mcs->invocation_counter()->_counter = rec->_invocation_counter;
+    mcs->backedge_counter()->_counter = rec->_backedge_counter;
   }
 }
 
diff --git a/src/share/vm/ci/ciReplay.hpp b/src/share/vm/ci/ciReplay.hpp
index 8fff3454d..90c503a64 100644
--- a/src/share/vm/ci/ciReplay.hpp
+++ b/src/share/vm/ci/ciReplay.hpp
@@ -29,6 +29,73 @@
 
 // ciReplay
 
+//
+// Replay compilation of a java method by using an information in replay file.
+// Replay inlining decisions during compilation by using an information in inline file.
+//
+// NOTE: these replay functions only exist in debug version of VM.
+//
+// Replay compilation.
+// -------------------
+//
+// Replay data file replay.txt can be created by Serviceability Agent
+// from a core file, see agent/doc/cireplay.html
+//
+// $ java -cp <jdk>/lib/sa-jdi.jar sun.jvm.hotspot.CLHSDB
+// hsdb> attach <jdk>/bin/java ./core
+// hsdb> threads
+// t@10 Service Thread
+// t@9 C2 CompilerThread0
+// t@8 Signal Dispatcher
+// t@7 Finalizer
+// t@6 Reference Handler
+// t@2 main
+// hsdb> dumpreplaydata t@9 > replay.txt
+// hsdb> quit
+//
+// (Note: SA could be also used to extract app.jar and boot.jar files
+//  from core file to replay compilation if only core file is available)
+//
+// Replay data file replay_pid%p.log is also created when VM crashes
+// in Compiler thread during compilation. It is controlled by
+// DumpReplayDataOnError flag which is ON by default.
+//
+// Replay file replay_pid%p_compid%d.log can be created
+// for the specified java method during normal execution using
+// CompileCommand option DumpReplay:
+//
+// -XX:CompileCommand=option,Benchmark::test,DumpReplay
+//
+// In this case the file name has additional compilation id "_compid%d"
+// because the method could be compiled several times.
+//
+// To replay compilation the replay file should be specified:
+//
+// -XX:+ReplayCompiles -XX:ReplayDataFile=replay_pid2133.log
+//
+// VM thread reads data from the file immediately after VM initialization
+// and puts the compilation task on compile queue. After that it goes into
+// wait state (BackgroundCompilation flag is set to false) since there is no
+// a program to execute. VM exits when the compilation is finished.
+//
+//
+// Replay inlining.
+// ----------------
+//
+// Replay inlining file inline_pid%p_compid%d.log is created for
+// a specific java method during normal execution of a java program
+// using CompileCommand option DumpInline:
+//
+// -XX:CompileCommand=option,Benchmark::test,DumpInline
+//
+// To replay inlining the replay file and the method should be specified:
+//
+// -XX:CompileCommand=option,Benchmark::test,ReplayInline -XX:InlineDataFile=inline_pid3244_compid6.log
+//
+// The difference from replay compilation is that replay inlining
+// is performed during normal java program execution.
+//
+
 class ciReplay {
   CI_PACKAGE_ACCESS
 
@@ -37,7 +104,11 @@ class ciReplay {
   static int replay_impl(TRAPS);
 
  public:
+  // Replay specified compilation and exit VM.
   static void replay(TRAPS);
+  // Load inlining decisions from file and use them
+  // during compilation of specified method.
+  static void* load_inline_data(ciMethod* method, int entry_bci, int comp_level);
 
   // These are used by the CI to fill in the cached data from the
   // replay file when replaying compiles.
@@ -48,6 +119,8 @@ class ciReplay {
   static bool is_loaded(Klass* klass);
 
   static bool should_not_inline(ciMethod* method);
+  static bool should_inline(void* data, ciMethod* method, int bci, int inline_depth);
+  static bool should_not_inline(void* data, ciMethod* method, int bci, int inline_depth);
 
 #endif
 };
diff --git a/src/share/vm/memory/allocation.cpp b/src/share/vm/memory/allocation.cpp
index 36c0d06c3..7b87bc3a7 100644
--- a/src/share/vm/memory/allocation.cpp
+++ b/src/share/vm/memory/allocation.cpp
@@ -140,7 +140,7 @@ void ResourceObj::operator delete [](void* p) {
 void ResourceObj::set_allocation_type(address res, allocation_type type) {
     // Set allocation type in the resource object
     uintptr_t allocation = (uintptr_t)res;
-    assert((allocation & allocation_mask) == 0, "address should be aligned to 4 bytes at least");
+    assert((allocation & allocation_mask) == 0, err_msg("address should be aligned to 4 bytes at least: " PTR_FORMAT, res));
     assert(type <= allocation_mask, "incorrect allocation type");
     ResourceObj* resobj = (ResourceObj *)res;
     resobj->_allocation_t[0] = ~(allocation + type);
diff --git a/src/share/vm/opto/bytecodeInfo.cpp b/src/share/vm/opto/bytecodeInfo.cpp
index 3e7b7a57f..4b3f39f08 100644
--- a/src/share/vm/opto/bytecodeInfo.cpp
+++ b/src/share/vm/opto/bytecodeInfo.cpp
@@ -50,7 +50,10 @@ InlineTree::InlineTree(Compile* c,
   _subtrees(c->comp_arena(), 2, 0, NULL),
   _msg(NULL)
 {
-  NOT_PRODUCT(_count_inlines = 0;)
+#ifndef PRODUCT
+  _count_inlines = 0;
+  _forced_inline = false;
+#endif
   if (_caller_jvms != NULL) {
     // Keep a private copy of the caller_jvms:
     _caller_jvms = new (C) JVMState(caller_jvms->method(), caller_tree->caller_jvms());
@@ -81,7 +84,10 @@ InlineTree::InlineTree(Compile* c, ciMethod* callee_method, JVMState* caller_jvm
   _count_inline_bcs(method()->code_size()),
   _msg(NULL)
 {
-  NOT_PRODUCT(_count_inlines = 0;)
+#ifndef PRODUCT
+  _count_inlines = 0;
+  _forced_inline = false;
+#endif
   assert(!UseOldInlining, "do not use for old stuff");
 }
 
@@ -128,9 +134,19 @@ bool InlineTree::should_inline(ciMethod* callee_method, ciMethod* caller_method,
       tty->print_cr("Inlined method is hot: ");
     }
     set_msg("force inline by CompilerOracle");
+    _forced_inline = true;
     return true;
   }
 
+#ifndef PRODUCT
+  int inline_depth = inline_level()+1;
+  if (ciReplay::should_inline(C->replay_inline_data(), callee_method, caller_bci, inline_depth)) {
+    set_msg("force inline by ciReplay");
+    _forced_inline = true;
+    return true;
+  }
+#endif
+
   int size = callee_method->code_size_for_inlining();
 
   // Check for too many throws (and not too huge)
@@ -264,6 +280,18 @@ bool InlineTree::should_not_inline(ciMethod *callee_method,
   }
 
 #ifndef PRODUCT
+  int caller_bci = jvms->bci();
+  int inline_depth = inline_level()+1;
+  if (ciReplay::should_inline(C->replay_inline_data(), callee_method, caller_bci, inline_depth)) {
+    set_msg("force inline by ciReplay");
+    return false;
+  }
+
+  if (ciReplay::should_not_inline(C->replay_inline_data(), callee_method, caller_bci, inline_depth)) {
+    set_msg("disallowed by ciReplay");
+    return true;
+  }
+
   if (ciReplay::should_not_inline(callee_method)) {
     set_msg("disallowed by ciReplay");
     return true;
@@ -343,6 +371,7 @@ bool InlineTree::try_to_inline(ciMethod* callee_method, ciMethod* caller_method,
     }
   }
 
+  _forced_inline = false; // Reset
   if (!should_inline(callee_method, caller_method, caller_bci, profile,
                      wci_result)) {
     return false;
@@ -373,10 +402,10 @@ bool InlineTree::try_to_inline(ciMethod* callee_method, ciMethod* caller_method,
 
     if ((!UseInterpreter || CompileTheWorld) &&
         is_init_with_ea(callee_method, caller_method, C)) {
-
       // Escape Analysis stress testing when running Xcomp or CTW:
       // inline constructors even if they are not reached.
-
+    } else if (forced_inline()) {
+      // Inlining was forced by CompilerOracle or ciReplay
     } else if (profile.count() == 0) {
       // don't inline unreached call sites
        set_msg("call site not reached");
@@ -700,12 +729,28 @@ InlineTree* InlineTree::find_subtree_from_root(InlineTree* root, JVMState* jvms,
   return iltp;
 }
 
+// Count number of nodes in this subtree
+int InlineTree::count() const {
+  int result = 1;
+  for (int i = 0 ; i < _subtrees.length(); i++) {
+    result += _subtrees.at(i)->count();
+  }
+  return result;
+}
+
+void InlineTree::dump_replay_data(outputStream* out) {
+  out->print(" %d %d ", inline_level(), caller_bci());
+  method()->dump_name_as_ascii(out);
+  for (int i = 0 ; i < _subtrees.length(); i++) {
+    _subtrees.at(i)->dump_replay_data(out);
+  }
+}
 
 
 #ifndef PRODUCT
 void InlineTree::print_impl(outputStream* st, int indent) const {
   for (int i = 0; i < indent; i++) st->print(" ");
-  st->print(" @ %d ", caller_bci());
+  st->print(" @ %d", caller_bci());
   method()->print_short_name(st);
   st->cr();
 
diff --git a/src/share/vm/opto/compile.cpp b/src/share/vm/opto/compile.cpp
index 99d3cec27..ba8debaae 100644
--- a/src/share/vm/opto/compile.cpp
+++ b/src/share/vm/opto/compile.cpp
@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "asm/macroAssembler.hpp"
 #include "asm/macroAssembler.inline.hpp"
+#include "ci/ciReplay.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "code/exceptionHandlerTable.hpp"
 #include "code/nmethod.hpp"
@@ -647,6 +648,7 @@ Compile::Compile( ciEnv* ci_env, C2Compiler* compiler, ciMethod* target, int osr
                   _printer(IdealGraphPrinter::printer()),
 #endif
                   _congraph(NULL),
+                  _replay_inline_data(NULL),
                   _late_inlines(comp_arena(), 2, 0, NULL),
                   _string_late_inlines(comp_arena(), 2, 0, NULL),
                   _boxing_late_inlines(comp_arena(), 2, 0, NULL),
@@ -680,6 +682,10 @@ Compile::Compile( ciEnv* ci_env, C2Compiler* compiler, ciMethod* target, int osr
   }
   set_print_assembly(print_opto_assembly);
   set_parsed_irreducible_loop(false);
+
+  if (method()->has_option("ReplayInline")) {
+    _replay_inline_data = ciReplay::load_inline_data(method(), entry_bci(), ci_env->comp_level());
+  }
 #endif
   set_print_inlining(PrintInlining || method()->has_option("PrintInlining") NOT_PRODUCT( || PrintOptoInlining));
   set_print_intrinsics(PrintIntrinsics || method()->has_option("PrintIntrinsics"));
@@ -849,6 +855,15 @@ Compile::Compile( ciEnv* ci_env, C2Compiler* compiler, ciMethod* target, int osr
 #endif
 
   NOT_PRODUCT( verify_barriers(); )
+
+  // Dump compilation data to replay it.
+  if (method()->has_option("DumpReplay")) {
+    env()->dump_replay_data(_compile_id);
+  }
+  if (method()->has_option("DumpInline") && (ilt() != NULL)) {
+    env()->dump_inline_data(_compile_id);
+  }
+
   // Now that we know the size of all the monitors we can add a fixed slot
   // for the original deopt pc.
 
@@ -938,6 +953,7 @@ Compile::Compile( ciEnv* ci_env,
     _dead_node_list(comp_arena()),
     _dead_node_count(0),
     _congraph(NULL),
+    _replay_inline_data(NULL),
     _number_of_mh_late_inlines(0),
     _inlining_progress(false),
     _inlining_incrementally(false),
@@ -3757,6 +3773,16 @@ void Compile::dump_inlining() {
   }
 }
 
+// Dump inlining replay data to the stream.
+// Don't change thread state and acquire any locks.
+void Compile::dump_inline_data(outputStream* out) {
+  InlineTree* inl_tree = ilt();
+  if (inl_tree != NULL) {
+    out->print(" inline %d", inl_tree->count());
+    inl_tree->dump_replay_data(out);
+  }
+}
+
 int Compile::cmp_expensive_nodes(Node* n1, Node* n2) {
   if (n1->Opcode() < n2->Opcode())      return -1;
   else if (n1->Opcode() > n2->Opcode()) return 1;
diff --git a/src/share/vm/opto/compile.hpp b/src/share/vm/opto/compile.hpp
index d248d9d6c..88581238b 100644
--- a/src/share/vm/opto/compile.hpp
+++ b/src/share/vm/opto/compile.hpp
@@ -431,6 +431,8 @@ class Compile : public Phase {
   // Are we within a PreserveJVMState block?
   int _preserve_jvm_state;
 
+  void* _replay_inline_data; // Pointer to data loaded from file
+
  public:
 
   outputStream* print_inlining_stream() const {
@@ -465,6 +467,11 @@ class Compile : public Phase {
     print_inlining_stream()->print(ss.as_string());
   }
 
+  void* replay_inline_data() const { return _replay_inline_data; }
+
+  // Dump inlining replay data to the stream.
+  void dump_inline_data(outputStream* out);
+
  private:
   // Matching, CFG layout, allocation, code generation
   PhaseCFG*             _cfg;                   // Results of CFG finding
diff --git a/src/share/vm/opto/parse.hpp b/src/share/vm/opto/parse.hpp
index 1e367d41c..6da027ee6 100644
--- a/src/share/vm/opto/parse.hpp
+++ b/src/share/vm/opto/parse.hpp
@@ -141,6 +141,13 @@ public:
   GrowableArray<InlineTree*> subtrees() { return _subtrees; }
 
   void print_value_on(outputStream* st) const PRODUCT_RETURN;
+
+  bool        _forced_inline;     // Inlining was forced by CompilerOracle or ciReplay
+  bool        forced_inline()     const { return _forced_inline; }
+  // Count number of nodes in this subtree
+  int         count() const;
+  // Dump inlining replay data to the stream.
+  void dump_replay_data(outputStream* out);
 };
 
 
diff --git a/src/share/vm/runtime/globals.hpp b/src/share/vm/runtime/globals.hpp
index 3f1155cd6..575e6d316 100644
--- a/src/share/vm/runtime/globals.hpp
+++ b/src/share/vm/runtime/globals.hpp
@@ -3342,6 +3342,10 @@ class CommandLineFlags {
           "File containing compilation replay information"                  \
           "[default: ./replay_pid%p.log] (%p replaced with pid)")           \
                                                                             \
+   product(ccstr, InlineDataFile, NULL,                                     \
+          "File containing inlining replay information"                     \
+          "[default: ./inline_pid%p.log] (%p replaced with pid)")           \
+                                                                            \
   develop(intx, ReplaySuppressInitializers, 2,                              \
           "Control handling of class initialization during replay: "        \
           "0 - don't do anything special; "                                 \
diff --git a/src/share/vm/utilities/vmError.cpp b/src/share/vm/utilities/vmError.cpp
index bbf983953..4b0953ae4 100644
--- a/src/share/vm/utilities/vmError.cpp
+++ b/src/share/vm/utilities/vmError.cpp
@@ -1040,7 +1040,7 @@ void VMError::report_and_die() {
     OnError = NULL;
   }
 
-  static bool skip_replay = false;
+  static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay
   if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) {
     skip_replay = true;
     ciEnv* env = ciEnv::current();