7115199: Add event tracing hooks and Java Flight Recorder infrastructure
Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com
--- a/hotspot/make/Makefile Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/Makefile Wed Jan 11 17:34:02 2012 -0500
@@ -367,7 +367,7 @@
$(EXPORT_LIB_DIR)/%.jar: $(GEN_DIR)/%.jar
$(install-file)
-# Include files (jvmti.h, jvmticmlr.h, jni.h, $(JDK_INCLUDE_SUBDIR)/jni_md.h, jmm.h)
+# Include files (jvmti.h, jvmticmlr.h, jni.h, $(JDK_INCLUDE_SUBDIR)/jni_md.h, jmm.h, jfr.h)
$(EXPORT_INCLUDE_DIR)/%: $(GEN_DIR)/jvmtifiles/%
$(install-file)
@@ -384,6 +384,16 @@
$(EXPORT_INCLUDE_DIR)/%: $(HS_SRC_DIR)/share/vm/services/%
$(install-file)
+JFR_EXISTS=$(shell if [ -d $(HS_ALT_SRC) ]; then echo 1; else echo 0; fi)
+# export jfr.h
+ifeq ($JFR_EXISTS,1)
+$(EXPORT_INCLUDE_DIR)/%: $(HS_ALT_SRC)/share/vm/jfr/agent/%
+ $(install-file)
+else
+$(EXPORT_INCLUDE_DIR)/jfr.h:
+
+endif
+
# Doc files (jvmti.html)
$(EXPORT_DOCS_DIR)/platform/jvmti/%: $(DOCS_DIR)/%
$(install-file)
--- a/hotspot/make/bsd/makefiles/vm.make Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/bsd/makefiles/vm.make Wed Jan 11 17:34:02 2012 -0500
@@ -96,6 +96,10 @@
CPPFLAGS += -DDEFAULT_LIBPATH="\"$(DEFAULT_LIBPATH)\""
endif
+ifndef JAVASE_EMBEDDED
+CFLAGS += -DINCLUDE_TRACE
+endif
+
# CFLAGS_WARN holds compiler options to suppress/enable warnings.
CFLAGS += $(CFLAGS_WARN/BYFILE)
@@ -147,6 +151,12 @@
SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm
SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm
+ifndef JAVASE_EMBEDDED
+SOURCE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \
+ find $(HS_ALT_SRC)/share/vm/jfr -type d; \
+ fi)
+endif
+
CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path))
CORE_PATHS+=$(GENERATED)/jvmtifiles
--- a/hotspot/make/defs.make Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/defs.make Wed Jan 11 17:34:02 2012 -0500
@@ -294,3 +294,7 @@
EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/jni.h
EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/$(JDK_INCLUDE_SUBDIR)/jni_md.h
EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/jmm.h
+
+ifndef JAVASE_EMBEDDED
+EXPORT_LIST += $(EXPORT_INCLUDE_DIR)/jfr.h
+endif
--- a/hotspot/make/linux/makefiles/vm.make Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/linux/makefiles/vm.make Wed Jan 11 17:34:02 2012 -0500
@@ -98,6 +98,10 @@
${JRE_VERSION} \
${VM_DISTRO}
+ifndef JAVASE_EMBEDDED
+CFLAGS += -DINCLUDE_TRACE
+endif
+
# CFLAGS_WARN holds compiler options to suppress/enable warnings.
CFLAGS += $(CFLAGS_WARN/BYFILE)
@@ -143,6 +147,12 @@
SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm
SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm
+ifndef JAVASE_EMBEDDED
+SOURCE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \
+ find $(HS_ALT_SRC)/share/vm/jfr -type d; \
+ fi)
+endif
+
CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path))
CORE_PATHS+=$(GENERATED)/jvmtifiles
--- a/hotspot/make/solaris/makefiles/vm.make Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/solaris/makefiles/vm.make Wed Jan 11 17:34:02 2012 -0500
@@ -93,7 +93,7 @@
CFLAGS += $(CFLAGS/NOEX)
# Extra flags from gnumake's invocation or environment
-CFLAGS += $(EXTRA_CFLAGS)
+CFLAGS += $(EXTRA_CFLAGS) -DINCLUDE_TRACE
# Math Library (libm.so), do not use -lm.
# There might be two versions of libm.so on the build system:
@@ -160,6 +160,10 @@
SOURCE_PATHS+=$(HS_COMMON_SRC)/cpu/$(Platform_arch)/vm
SOURCE_PATHS+=$(HS_COMMON_SRC)/os_cpu/$(Platform_os_arch)/vm
+SOURCE_PATHS+=$(shell if [ -d $(HS_ALT_SRC)/share/vm/jfr ]; then \
+ find $(HS_ALT_SRC)/share/vm/jfr -type d; \
+ fi)
+
CORE_PATHS=$(foreach path,$(SOURCE_PATHS),$(call altsrc,$(path)) $(path))
CORE_PATHS+=$(GENERATED)/jvmtifiles
--- a/hotspot/make/windows/build.bat Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/windows/build.bat Wed Jan 11 17:34:02 2012 -0500
@@ -35,6 +35,8 @@
if %errorlevel% == 0 goto isia64
cl 2>&1 | grep "AMD64" >NUL
if %errorlevel% == 0 goto amd64
+cl 2>&1 | grep "x64" >NUL
+if %errorlevel% == 0 goto amd64
set ARCH=x86
set BUILDARCH=i486
set Platform_arch=x86
--- a/hotspot/make/windows/create_obj_files.sh Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/windows/create_obj_files.sh Wed Jan 11 17:34:02 2012 -0500
@@ -73,6 +73,13 @@
BASE_PATHS="${BASE_PATHS} ${GENERATED}/jvmtifiles"
+if [ -d "${ALTSRC}/share/vm/jfr" ]; then
+ BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/agent"
+ BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/agent/isolated_deps/util"
+ BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr/jvm"
+ BASE_PATHS="${BASE_PATHS} ${ALTSRC}/share/vm/jfr"
+fi
+
CORE_PATHS="${BASE_PATHS}"
# shared is already in BASE_PATHS. Should add vm/memory but that one is also in BASE_PATHS.
if [ -d "${ALTSRC}/share/vm/gc_implementation" ]; then
--- a/hotspot/make/windows/makefiles/projectcreator.make Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/windows/makefiles/projectcreator.make Wed Jan 11 17:34:02 2012 -0500
@@ -58,7 +58,8 @@
-absoluteInclude $(HOTSPOTBUILDSPACE)/%f/generated \
-ignorePath $(HOTSPOTBUILDSPACE)/%f/generated \
-ignorePath src\share\vm\adlc \
- -ignorePath src\share\vm\shark
+ -ignorePath src\share\vm\shark \
+ -ignorePath posix
# This is referenced externally by both the IDE and batch builds
ProjectCreatorOptions=
@@ -88,7 +89,7 @@
-jdkTargetRoot $(HOTSPOTJDKDIST) \
-define ALIGN_STACK_FRAMES \
-define VM_LITTLE_ENDIAN \
- -prelink "" "Generating vm.def..." "cd $(HOTSPOTBUILDSPACE)\%f\%b set HOTSPOTMKSHOME=$(HOTSPOTMKSHOME) $(HOTSPOTMKSHOME)\sh $(HOTSPOTWORKSPACE)\make\windows\build_vm_def.sh $(LINK_VER)" \
+ -prelink "" "Generating vm.def..." "cd $(HOTSPOTBUILDSPACE)\%f\%b set HOTSPOTMKSHOME=$(HOTSPOTMKSHOME) set JAVA_HOME=$(HOTSPOTJDKDIST) $(HOTSPOTMKSHOME)\sh $(HOTSPOTWORKSPACE)\make\windows\build_vm_def.sh $(LINK_VER)" \
-postbuild "" "Building hotspot.exe..." "cd $(HOTSPOTBUILDSPACE)\%f\%b set HOTSPOTMKSHOME=$(HOTSPOTMKSHOME) nmake -f $(HOTSPOTWORKSPACE)\make\windows\projectfiles\common\Makefile LOCAL_MAKE=$(HOTSPOTBUILDSPACE)\%f\local.make JAVA_HOME=$(HOTSPOTJDKDIST) launcher" \
-ignoreFile jsig.c \
-ignoreFile jvmtiEnvRecommended.cpp \
--- a/hotspot/make/windows/makefiles/vm.make Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/make/windows/makefiles/vm.make Wed Jan 11 17:34:02 2012 -0500
@@ -19,7 +19,7 @@
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
-#
+#
#
# Resource file containing VERSIONINFO
@@ -30,7 +30,7 @@
COMMONSRC=$(WorkSpace)\src
ALTSRC=$(WorkSpace)\src\closed
-!ifdef RELEASE
+!ifdef RELEASE
!ifdef DEVELOP
CPP_FLAGS=$(CPP_FLAGS) /D "DEBUG"
!else
@@ -74,6 +74,10 @@
CPP_FLAGS=$(CPP_FLAGS) /D "HOTSPOT_BUILD_USER=\"$(BuildUser)\""
CPP_FLAGS=$(CPP_FLAGS) /D "HOTSPOT_VM_DISTRO=\"$(HOTSPOT_VM_DISTRO)\""
+!ifndef JAVASE_EMBEDDED
+CPP_FLAGS=$(CPP_FLAGS) /D "INCLUDE_TRACE"
+!endif
+
CPP_FLAGS=$(CPP_FLAGS) $(CPP_INCLUDE_DIRS)
# Define that so jni.h is on correct side
@@ -97,7 +101,7 @@
!endif
# If you modify exports below please do the corresponding changes in
-# src/share/tools/ProjectCreator/WinGammaPlatformVC7.java
+# src/share/tools/ProjectCreator/WinGammaPlatformVC7.java
LINK_FLAGS=$(LINK_FLAGS) $(STACK_SIZE) /subsystem:windows /dll /base:0x8000000 \
/export:JNI_GetDefaultJavaVMInitArgs \
/export:JNI_CreateJavaVM \
@@ -170,6 +174,7 @@
VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/prims
VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/runtime
VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/services
+VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/trace
VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/utilities
VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/libadt
VM_PATH=$(VM_PATH);$(WorkSpace)/src/os/windows/vm
@@ -177,6 +182,13 @@
VM_PATH=$(VM_PATH);$(WorkSpace)/src/cpu/$(Platform_arch)/vm
VM_PATH=$(VM_PATH);$(WorkSpace)/src/share/vm/opto
+!if exists($(ALTSRC)\share\vm\jfr)
+VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/agent
+VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/agent/isolated_deps/util
+VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr/jvm
+VM_PATH=$(VM_PATH);$(ALTSRC)/share/vm/jfr
+!endif
+
VM_PATH={$(VM_PATH)}
# Special case files not using precompiled header files.
@@ -263,6 +275,9 @@
{$(COMMONSRC)\share\vm\services}.cpp.obj::
$(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+{$(COMMONSRC)\share\vm\trace}.cpp.obj::
+ $(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+
{$(COMMONSRC)\share\vm\utilities}.cpp.obj::
$(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
@@ -340,6 +355,9 @@
{$(ALTSRC)\share\vm\services}.cpp.obj::
$(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+{$(ALTSRC)\share\vm\trace}.cpp.obj::
+ $(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+
{$(ALTSRC)\share\vm\utilities}.cpp.obj::
$(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
@@ -371,6 +389,18 @@
{..\generated\jvmtifiles}.cpp.obj::
$(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+{$(ALTSRC)\share\vm\jfr}.cpp.obj::
+ $(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+
+{$(ALTSRC)\share\vm\jfr\agent}.cpp.obj::
+ $(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+
+{$(ALTSRC)\share\vm\jfr\agent\isolated_deps\util}.cpp.obj::
+ $(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+
+{$(ALTSRC)\share\vm\jfr\jvm}.cpp.obj::
+ $(CPP) $(CPP_FLAGS) $(CPP_USE_PCH) /c $<
+
default::
_build_pch_file.obj:
--- a/hotspot/src/share/vm/classfile/symbolTable.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/classfile/symbolTable.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -204,6 +204,24 @@
return s;
}
+// Look up the address of the literal in the SymbolTable for this Symbol*
+// Do not create any new symbols
+// Do not increment the reference count to keep this alive
+Symbol** SymbolTable::lookup_symbol_addr(Symbol* sym){
+ unsigned int hash = hash_symbol((char*)sym->bytes(), sym->utf8_length());
+ int index = the_table()->hash_to_index(hash);
+
+ for (HashtableEntry<Symbol*>* e = the_table()->bucket(index); e != NULL; e = e->next()) {
+ if (e->hash() == hash) {
+ Symbol* literal_sym = e->literal();
+ if (sym == literal_sym) {
+ return e->literal_addr();
+ }
+ }
+ }
+ return NULL;
+}
+
// Suggestion: Push unicode-based lookup all the way into the hashing
// and probing logic, so there is no need for convert_to_utf8 until
// an actual new Symbol* is created.
--- a/hotspot/src/share/vm/classfile/symbolTable.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/classfile/symbolTable.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -144,6 +144,9 @@
static void release(Symbol* sym);
+ // Look up the address of the literal in the SymbolTable for this Symbol*
+ static Symbol** lookup_symbol_addr(Symbol* sym);
+
// jchar (utf16) version of lookups
static Symbol* lookup_unicode(const jchar* name, int len, TRAPS);
static Symbol* lookup_only_unicode(const jchar* name, int len, unsigned int& hash);
--- a/hotspot/src/share/vm/classfile/systemDictionary.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/classfile/systemDictionary.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -2131,6 +2131,12 @@
}
}
+ // Assign a classid if one has not already been assigned. The
+ // counter does not need to be atomically incremented since this
+ // is only done while holding the SystemDictionary_lock.
+ // All loaded classes get a unique ID.
+ TRACE_INIT_ID(k);
+
// Check for a placeholder. If there, remove it and make a
// new system dictionary entry.
placeholders()->find_and_remove(p_index, p_hash, name, class_loader, THREAD);
--- a/hotspot/src/share/vm/oops/klass.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/oops/klass.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -158,6 +158,9 @@
kl->set_next_sibling(NULL);
kl->set_alloc_count(0);
kl->set_alloc_size(0);
+#ifdef TRACE_SET_KLASS_TRACE_ID
+ TRACE_SET_KLASS_TRACE_ID(kl, 0);
+#endif
kl->set_prototype_header(markOopDesc::prototype());
kl->set_biased_lock_revocation_count(0);
--- a/hotspot/src/share/vm/oops/klass.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/oops/klass.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -33,6 +33,7 @@
#include "oops/klassPS.hpp"
#include "oops/oop.hpp"
#include "runtime/orderAccess.hpp"
+#include "trace/traceMacros.hpp"
#include "utilities/accessFlags.hpp"
#ifndef SERIALGC
#include "gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp"
@@ -80,6 +81,7 @@
// [last_biased_lock_bulk_revocation_time] (64 bits)
// [prototype_header]
// [biased_lock_revocation_count]
+// [trace_id]
// Forward declarations.
@@ -263,6 +265,9 @@
markOop _prototype_header; // Used when biased locking is both enabled and disabled for this type
jint _biased_lock_revocation_count;
+#ifdef TRACE_DEFINE_KLASS_TRACE_ID
+ TRACE_DEFINE_KLASS_TRACE_ID;
+#endif
public:
// returns the enclosing klassOop
@@ -683,6 +688,9 @@
jlong last_biased_lock_bulk_revocation_time() { return _last_biased_lock_bulk_revocation_time; }
void set_last_biased_lock_bulk_revocation_time(jlong cur_time) { _last_biased_lock_bulk_revocation_time = cur_time; }
+#ifdef TRACE_DEFINE_KLASS_METHODS
+ TRACE_DEFINE_KLASS_METHODS;
+#endif
// garbage collection support
virtual void follow_weak_klass_links(
--- a/hotspot/src/share/vm/oops/methodKlass.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/oops/methodKlass.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -83,6 +83,7 @@
m->set_max_stack(0);
m->set_max_locals(0);
m->set_intrinsic_id(vmIntrinsics::_none);
+ m->set_jfr_towrite(false);
m->set_method_data(NULL);
m->set_interpreter_throwout_count(0);
m->set_vtable_index(methodOopDesc::garbage_vtable_index);
--- a/hotspot/src/share/vm/oops/methodOop.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/oops/methodOop.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -77,7 +77,7 @@
// | method_size | max_stack |
// | max_locals | size_of_parameters |
// |------------------------------------------------------|
-// | intrinsic_id, (unused) | throwout_count |
+// |intrinsic_id| flags | throwout_count |
// |------------------------------------------------------|
// | num_breakpoints | (unused) |
// |------------------------------------------------------|
@@ -124,6 +124,8 @@
u2 _max_locals; // Number of local variables used by this method
u2 _size_of_parameters; // size of the parameter block (receiver + arguments) in words
u1 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none)
+ u1 _jfr_towrite : 1, // Flags
+ : 7;
u2 _interpreter_throwout_count; // Count of times method was exited via exception while interpreting
u2 _number_of_breakpoints; // fullspeed debugging support
InvocationCounter _invocation_counter; // Incremented before each activation of the method - used to trigger frequency-based optimizations
@@ -225,6 +227,7 @@
void clear_number_of_breakpoints() { _number_of_breakpoints = 0; }
// index into instanceKlass methods() array
+ // note: also used by jfr
u2 method_idnum() const { return constMethod()->method_idnum(); }
void set_method_idnum(u2 idnum) { constMethod()->set_method_idnum(idnum); }
@@ -650,6 +653,9 @@
void init_intrinsic_id(); // updates from _none if a match
static vmSymbols::SID klass_id_for_intrinsics(klassOop holder);
+ bool jfr_towrite() { return _jfr_towrite; }
+ void set_jfr_towrite(bool towrite) { _jfr_towrite = towrite; }
+
// On-stack replacement support
bool has_osr_nmethod(int level, bool match_level) {
return instanceKlass::cast(method_holder())->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL;
--- a/hotspot/src/share/vm/prims/jni.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/prims/jni.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -48,6 +48,7 @@
#include "oops/typeArrayOop.hpp"
#include "prims/jni.h"
#include "prims/jniCheck.hpp"
+#include "prims/jniExport.hpp"
#include "prims/jniFastGetField.hpp"
#include "prims/jvm.h"
#include "prims/jvm_misc.hpp"
@@ -66,6 +67,8 @@
#include "runtime/signature.hpp"
#include "runtime/vm_operations.hpp"
#include "services/runtimeService.hpp"
+#include "trace/tracing.hpp"
+#include "trace/traceEventTypes.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/events.hpp"
@@ -5139,6 +5142,11 @@
if (JvmtiExport::should_post_thread_life()) {
JvmtiExport::post_thread_start(thread);
}
+
+ EVENT_BEGIN(TraceEventThreadStart, event);
+ EVENT_COMMIT(event,
+ EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj())));
+
// Check if we should compile all classes on bootclasspath
NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();)
// Since this is not a JVM_ENTRY we have to set the thread state manually before leaving.
@@ -5337,6 +5345,10 @@
JvmtiExport::post_thread_start(thread);
}
+ EVENT_BEGIN(TraceEventThreadStart, event);
+ EVENT_COMMIT(event,
+ EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj())));
+
*(JNIEnv**)penv = thread->jni_environment();
// Now leaving the VM, so change thread_state. This is normally automatically taken care
@@ -5464,8 +5476,7 @@
return ret;
}
- if (JvmtiExport::is_jvmti_version(version)) {
- ret = JvmtiExport::get_jvmti_interface(vm, penv, version);
+ if (JniExportedInterface::GetExportedInterface(vm, penv, version, &ret)) {
return ret;
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/prims/jniExport.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_PRIMS_JNI_EXPORT_HPP
+#define SHARE_VM_PRIMS_JNI_EXPORT_HPP
+
+#include "prims/jni.h"
+#include "prims/jvmtiExport.hpp"
+
+class JniExportedInterface {
+ public:
+ static bool GetExportedInterface(JavaVM* vm, void** penv, jint version, jint* iface) {
+ if (JvmtiExport::is_jvmti_version(version)) {
+ *iface = JvmtiExport::get_jvmti_interface(vm, penv, version);
+ return true;
+ }
+ return false;
+ }
+};
+
+#endif // SHARE_VM_PRIMS_JNI_EXPORT_HPP
--- a/hotspot/src/share/vm/runtime/java.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/java.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -57,6 +57,8 @@
#include "runtime/task.hpp"
#include "runtime/timer.hpp"
#include "runtime/vm_operations.hpp"
+#include "trace/tracing.hpp"
+#include "trace/traceEventTypes.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/histogram.hpp"
@@ -502,6 +504,11 @@
if (JvmtiExport::should_post_thread_life()) {
JvmtiExport::post_thread_end(thread);
}
+
+ EVENT_BEGIN(TraceEventThreadEnd, event);
+ EVENT_COMMIT(event,
+ EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(thread->threadObj())));
+
// Always call even when there are not JVMTI environments yet, since environments
// may be attached late and JVMTI must track phases of VM execution
JvmtiExport::post_vm_death();
--- a/hotspot/src/share/vm/runtime/mutexLocker.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/mutexLocker.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -132,7 +132,13 @@
Monitor* GCTaskManager_lock = NULL;
Mutex* Management_lock = NULL;
-Monitor* Service_lock = NULL;
+Monitor* Service_lock = NULL;
+Mutex* Stacktrace_lock = NULL;
+
+Monitor* JfrQuery_lock = NULL;
+Monitor* JfrMsg_lock = NULL;
+Mutex* JfrBuffer_lock = NULL;
+Mutex* JfrStream_lock = NULL;
#define MAX_NUM_MUTEX 128
static Monitor * _mutex_array[MAX_NUM_MUTEX];
@@ -207,6 +213,7 @@
def(Patching_lock , Mutex , special, true ); // used for safepointing and code patching.
def(ObjAllocPost_lock , Monitor, special, false);
def(Service_lock , Monitor, special, true ); // used for service thread operations
+ def(Stacktrace_lock , Mutex, special, true ); // used for JFR stacktrace database
def(JmethodIdCreation_lock , Mutex , leaf, true ); // used for creating jmethodIDs.
def(SystemDictionary_lock , Monitor, leaf, true ); // lookups done by VM thread
@@ -271,6 +278,11 @@
def(Debug3_lock , Mutex , nonleaf+4, true );
def(ProfileVM_lock , Monitor, nonleaf+4, false); // used for profiling of the VMThread
def(CompileThread_lock , Monitor, nonleaf+5, false );
+
+ def(JfrQuery_lock , Monitor, nonleaf, true); // JFR locks, keep these in consecutive order
+ def(JfrMsg_lock , Monitor, nonleaf+2, true);
+ def(JfrBuffer_lock , Mutex, nonleaf+3, true);
+ def(JfrStream_lock , Mutex, nonleaf+4, true);
}
GCMutexLocker::GCMutexLocker(Monitor * mutex) {
--- a/hotspot/src/share/vm/runtime/mutexLocker.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/mutexLocker.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -135,6 +135,12 @@
extern Mutex* Management_lock; // a lock used to serialize JVM management
extern Monitor* Service_lock; // a lock used for service thread operation
+extern Mutex* Stacktrace_lock; // used to guard access to the stacktrace table
+
+extern Monitor* JfrQuery_lock; // protects JFR use
+extern Monitor* JfrMsg_lock; // protects JFR messaging
+extern Mutex* JfrBuffer_lock; // protects JFR buffer operations
+extern Mutex* JfrStream_lock; // protects JFR stream access
// A MutexLocker provides mutual exclusion with respect to a given mutex
// for the scope which contains the locker. The lock is an OS lock, not
--- a/hotspot/src/share/vm/runtime/os.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/os.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -1101,6 +1101,7 @@
"%/lib/jsse.jar:"
"%/lib/jce.jar:"
"%/lib/charsets.jar:"
+ "%/lib/jfr.jar:"
#ifdef __APPLE__
"%/lib/JObjC.jar:"
#endif
--- a/hotspot/src/share/vm/runtime/thread.cpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/thread.cpp Wed Jan 11 17:34:02 2012 -0500
@@ -73,6 +73,7 @@
#include "services/attachListener.hpp"
#include "services/management.hpp"
#include "services/threadService.hpp"
+#include "trace/traceEventTypes.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/dtrace.hpp"
#include "utilities/events.hpp"
@@ -232,6 +233,7 @@
CHECK_UNHANDLED_OOPS_ONLY(_gc_locked_out_count = 0;)
_jvmti_env_iteration_count = 0;
set_allocated_bytes(0);
+ set_trace_buffer(NULL);
_vm_operation_started_count = 0;
_vm_operation_completed_count = 0;
_current_pending_monitor = NULL;
@@ -1512,6 +1514,10 @@
JvmtiExport::post_thread_start(this);
}
+ EVENT_BEGIN(TraceEventThreadStart, event);
+ EVENT_COMMIT(event,
+ EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj())));
+
// We call another function to do the rest so we are sure that the stack addresses used
// from there will be lower than the stack base just computed
thread_main_inner();
@@ -1641,6 +1647,15 @@
}
}
+ // Called before the java thread exit since we want to read info
+ // from java_lang_Thread object
+ EVENT_BEGIN(TraceEventThreadEnd, event);
+ EVENT_COMMIT(event,
+ EVENT_SET(event, javalangthread, java_lang_Thread::thread_id(this->threadObj())));
+
+ // Call after last event on thread
+ EVENT_THREAD_EXIT(this);
+
// Call Thread.exit(). We try 3 times in case we got another Thread.stop during
// the execution of the method. If that is not enough, then we don't really care. Thread.stop
// is deprecated anyhow.
@@ -3186,6 +3201,11 @@
return status;
}
+ // Must be run after init_ft which initializes ft_enabled
+ if (TRACE_INITIALIZE() != JNI_OK) {
+ vm_exit_during_initialization("Failed to initialize tracing backend");
+ }
+
// Should be done after the heap is fully created
main_thread->cache_global_variables();
@@ -3423,6 +3443,10 @@
create_vm_init_libraries();
}
+ if (!TRACE_START()) {
+ vm_exit_during_initialization(Handle(THREAD, PENDING_EXCEPTION));
+ }
+
// Notify JVMTI agents that VM initialization is complete - nop if no agents.
JvmtiExport::post_vm_initialized();
--- a/hotspot/src/share/vm/runtime/thread.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/thread.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -41,6 +41,7 @@
#include "runtime/stubRoutines.hpp"
#include "runtime/threadLocalStorage.hpp"
#include "runtime/unhandledOops.hpp"
+#include "trace/tracing.hpp"
#include "utilities/exceptions.hpp"
#include "utilities/top.hpp"
#ifndef SERIALGC
@@ -246,6 +247,8 @@
jlong _allocated_bytes; // Cumulative number of bytes allocated on
// the Java heap
+ TRACE_BUFFER _trace_buffer; // Thread-local buffer for tracing
+
int _vm_operation_started_count; // VM_Operation support
int _vm_operation_completed_count; // VM_Operation support
@@ -414,6 +417,9 @@
return allocated_bytes;
}
+ TRACE_BUFFER trace_buffer() { return _trace_buffer; }
+ void set_trace_buffer(TRACE_BUFFER buf) { _trace_buffer = buf; }
+
// VM operation support
int vm_operation_ticket() { return ++_vm_operation_started_count; }
int vm_operation_completed_count() { return _vm_operation_completed_count; }
--- a/hotspot/src/share/vm/runtime/vm_operations.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/runtime/vm_operations.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -93,6 +93,7 @@
template(HeapWalkOperation) \
template(HeapIterateOperation) \
template(ReportJavaOutOfMemory) \
+ template(JFRCheckpoint) \
template(Exit) \
class VM_Operation: public CHeapObj {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/trace/traceEventTypes.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_TRACE_TRACE_EVENT_TYPES_HPP
+#define SHARE_VM_TRACE_TRACE_EVENT_TYPES_HPP
+
+/* Empty, just a placeholder for tracing events */
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/trace/traceMacros.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_TRACE_TRACE_MACRO_HPP
+#define SHARE_VM_TRACE_TRACE_MACRO_HPP
+
+#define EVENT_BEGIN(type, name)
+#define EVENT_SET(name, field, value)
+#define EVENT_COMMIT(name, ...)
+#define EVENT_STARTED(name, time)
+#define EVENT_ENDED(name, time)
+#define EVENT_THREAD_EXIT(thread)
+
+#define TRACE_ENABLED 0
+
+#define TRACE_INIT_ID(k)
+#define TRACE_BUFFER void*
+
+#define TRACE_START() true
+#define TRACE_INITIALIZE() 0
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/trace/tracing.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_TRACE_TRACING_HPP
+#define SHARE_VM_TRACE_TRACING_HPP
+
+#include "trace/traceMacros.hpp"
+
+#endif
--- a/hotspot/src/share/vm/utilities/globalDefinitions.hpp Mon Jan 09 10:27:24 2012 +0100
+++ b/hotspot/src/share/vm/utilities/globalDefinitions.hpp Wed Jan 11 17:34:02 2012 -0500
@@ -298,6 +298,11 @@
const juint max_juint = (juint)-1; // 0xFFFFFFFF largest juint
const julong max_julong = (julong)-1; // 0xFF....FF largest julong
+typedef jbyte s1;
+typedef jshort s2;
+typedef jint s4;
+typedef jlong s8;
+
//----------------------------------------------------------------------------------------------------
// JVM spec restrictions