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updated to systemtap 3

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This commit is contained in:
Jiri Vanek 2016-08-25 14:13:56 +02:00
parent 57c769a539
commit e8a1ee2643
5 changed files with 5 additions and 418 deletions
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1
.gitignore vendored
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@ -61,5 +61,6 @@
/aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u92-b14.tar.xz /aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u92-b14.tar.xz
/aarch64-port-jdk8u-aarch64-jdk8u101-b14.tar.xz /aarch64-port-jdk8u-aarch64-jdk8u101-b14.tar.xz
/aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u101-b14-shenandoah-merge-2016-07-25.tar.xz /aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u101-b14-shenandoah-merge-2016-07-25.tar.xz
/systemtap-tapset-3.1.0.tar.xz
/aarch64-port-jdk8u-aarch64-jdk8u102-b14.tar.xz /aarch64-port-jdk8u-aarch64-jdk8u102-b14.tar.xz
/aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u102-b14.tar.xz /aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u102-b14.tar.xz

136
bz1204159_java8.patch
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@ -1,136 +0,0 @@
diff -r 6e357a1fc157 tapset/hotspot.stp.in
--- tapset/hotspot-1.8.0.stp.in Tue Apr 26 18:36:01 2016 +0100
+++ tapset/hotspot-1.8.0.stp.in Wed Jul 13 14:06:31 2016 -0400
@@ -141,7 +141,8 @@
Triggers at the end of the virtual machine initialization.
Has no arguments.
*/
-probe hotspot.vm_init_end =
+probe hotspot_vm_init_end = hotspot.vm_init_end8 {}
+probe hotspot.vm_init_end8 =
process("@ABS_CLIENT_LIBJVM_SO@").mark("vm__init__end"),
process("@ABS_SERVER_LIBJVM_SO@").mark("vm__init__end")
{
diff -r 6e357a1fc157 tapset/jstack.stp.in
--- tapset/jstack-1.8.0.stp.in Tue Apr 26 18:36:01 2016 +0100
+++ tapset/jstack-1.8.0.stp.in Wed Jul 13 14:06:31 2016 -0400
@@ -45,22 +45,28 @@
semantic error: failed to retrieve location attribute for local
*/
-global CodeCache_heap;
+/* Resolve multiple installed java versions conflict. */
+@define _private %( %( systemtap_v >= "3.0" %? private %) %)
+@define _check_match %(
+ %( systemtap_v >= "3.0" %? if (pp() !~ "@prefix@") next %)
+%)
-global sp_register;
-global fp_register;
-global pc_register;
-global ptr_size;
-global ptr_mask;
+@_private global CodeCache_heap;
-global constantPool_size;
-global HeapBlock_Header_size;
+@_private global sp_register;
+@_private global fp_register;
+@_private global pc_register;
+@_private global ptr_size;
+@_private global ptr_mask;
-global vm_inited;
+@_private global constantPool_size;
+@_private global HeapBlock_Header_size;
+
+@_private global vm_inited;
/* We need to collect some global symbol addresses that cannot be resolved
in a bare function and vm_init_end seems a good place to use. */
-probe hotspot.vm_init_end
+probe hotspot.vm_init_end8
{
/**
* The CodeCache class contains the static CodeHeap _heap that
@@ -116,6 +122,8 @@
function jstack:string()
{
+ @_check_match
+
// java backtraces can be a lot bigger, but we risk going over MAXACTION.
// 32 frames only gives us ~32 actions per frame (with MAXACTION == 1024).
max_depth = 32;
@@ -125,6 +133,8 @@
function jstack_n:string(max_depth:long)
{
+ @_check_match
+
// Whether to log the method signatures.
log_sig = 0;
@@ -139,6 +149,8 @@
function print_jstack()
{
+ @_check_match
+
// java backtraces can be a lot bigger, but we risk going over MAXACTION.
// 32 frames only gives us ~32 actions per frame (with MAXACTION == 1024).
max_depth = 32;
@@ -148,6 +160,8 @@
function print_jstack_n:string(max_depth:long)
{
+ @_check_match
+
// Whether to log the method signatures.
log_sig = 0;
@@ -162,6 +176,8 @@
function jstack_full:string()
{
+ @_check_match
+
// java backtraces can be a lot bigger, but we risk going over MAXACTION.
// 32 frames only gives us ~32 actions per frame (with MAXACTION == 1024).
max_depth = 32;
@@ -171,6 +187,8 @@
function jstack_full_n:string(max_depth:long)
{
+ @_check_match
+
// Whether to log the method signatures.
log_sig = 1;
@@ -185,6 +203,8 @@
function print_jstack_full()
{
+ @_check_match
+
// java backtraces can be a lot bigger, but we risk going over MAXACTION.
// 32 frames only gives us ~32 actions per frame (with MAXACTION == 1024).
max_depth = 32;
@@ -194,6 +214,8 @@
function print_jstack_full_n:string(max_depth:long)
{
+ @_check_match
+
// Whether to log the method signatures.
log_sig = 1;
@@ -209,6 +231,8 @@
function jstack_call:string(max_depth:long, log_sig:long, log_native:long,
print_frames:long)
{
+ @_check_match
+
if (! vm_inited[pid()])
{
frame = "<vm-not-inited>";

10
java-1.8.0-openjdk.spec
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@ -817,7 +817,7 @@ Source2: README.src
# They are based on code contained in the IcedTea7 project. # They are based on code contained in the IcedTea7 project.
# Systemtap tapsets. Zipped up to keep it small. # Systemtap tapsets. Zipped up to keep it small.
Source8: systemtap-tapset.tar.gz Source8: systemtap-tapset-3.1.0.tar.xz
# Desktop files. Adapated from IcedTea. # Desktop files. Adapated from IcedTea.
Source9: jconsole.desktop.in Source9: jconsole.desktop.in
@ -943,9 +943,6 @@ Patch525: pr1834-rh1022017.patch
Patch529: corba_typo_fix.patch Patch529: corba_typo_fix.patch
# Non-OpenJDK fixes # Non-OpenJDK fixes
Patch300: jstack-pr1845.patch
# PR3090, RH1204159: SystemTap is heavily confused by multiple JDKs
Patch301: bz1204159_java8.patch
BuildRequires: autoconf BuildRequires: autoconf
BuildRequires: automake BuildRequires: automake
@ -1281,9 +1278,7 @@ sh %{SOURCE12}
# Extract systemtap tapsets # Extract systemtap tapsets
%if %{with_systemtap} %if %{with_systemtap}
tar xzf %{SOURCE8} tar -x -I xz -f %{SOURCE8}
%patch300
%patch301
%if %{include_debug_build} %if %{include_debug_build}
cp -r tapset tapset%{debug_suffix} cp -r tapset tapset%{debug_suffix}
%endif %endif
@ -1873,6 +1868,7 @@ require "copy_jdk_configs.lua"
- used aarch64-port-jdk8u-aarch64-jdk8u102-b14.tar.xz as new sources - used aarch64-port-jdk8u-aarch64-jdk8u102-b14.tar.xz as new sources
- used aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u102-b14.tar.xz as new sources for hotspot - used aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u102-b14.tar.xz as new sources for hotspot
- removed upstreamed patches 519 and 520 - removed upstreamed patches 519 and 520
- updated to systemtap 3, removed related patches 300 and 301
* Mon Aug 01 2016 Andrew Hughes <gnu.andrew@redhat.com> - 1:1.8.0.101-3.b14 * Mon Aug 01 2016 Andrew Hughes <gnu.andrew@redhat.com> - 1:1.8.0.101-3.b14
- Replace patch for S8162384 with upstream version. Document correctly along with SystemTap RH1204159 patch. - Replace patch for S8162384 with upstream version. Document correctly along with SystemTap RH1204159 patch.

274
jstack-pr1845.patch
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@ -1,274 +0,0 @@
diff -r c728621e76f2 tapset/jstack.stp.in
--- tapset/jstack-1.8.0.stp.in Mon Jun 02 18:41:24 2014 +0100
+++ tapset/jstack-1.8.0.stp.in Sat Jun 14 00:21:14 2014 +0900
@@ -45,11 +45,7 @@
semantic error: failed to retrieve location attribute for local
*/
-global Universe_methodKlassObj;
-global Universe_collectedHeap;
-global HeapWordSize;
global CodeCache_heap;
-global NarrowOopStruct;
global sp_register;
global fp_register;
@@ -57,9 +53,8 @@
global ptr_size;
global ptr_mask;
-global constantPoolOopDesc_size;
+global constantPool_size;
global HeapBlock_Header_size;
-global oopDesc_size;
global vm_inited;
@@ -67,26 +62,6 @@
in a bare function and vm_init_end seems a good place to use. */
probe hotspot.vm_init_end
{
- // The parent/type oop for a methodOop.
- Universe_methodKlassObj[pid()] = %( systemtap_v >= "1.8"
- %? @var("_methodKlassObj@universe.cpp")
- %: $_methodKlassObj %);
-
- /**
- * The Universe class holds some of the interesting statics for
- * introspection into HotSpot. The CollectedHeap
- * (Universe::_collectedHeap) is an abstraction of a java heap for Hotspot
- * it contains a _reserved MemRegion which represents a contigous
- * region of the address space consisting of HeapWords (which just
- * have one field member char *i).
- *
- * Note that we access it through its "short name" _collectedHeap.
- */
- Universe_collectedHeap[pid()] = %( systemtap_v >= "1.8"
- %? @var("_collectedHeap@universe.cpp")
- %: $_collectedHeap %);
- HeapWordSize[pid()] = $HeapWordSize;
-
/**
* The CodeCache class contains the static CodeHeap _heap that
* is malloced at the start of the vm run and holds all generated
@@ -107,17 +82,6 @@
%? @var("_heap@codeCache.cpp")
%: $_heap %);
- /**
- * Does target process use CompressedOops ?
- */
- NarrowOopStruct[pid()] = 0;
- %( systemtap_v >= "1.8"
- %? if (@var("UseCompressedOops@globals.cpp"))
- NarrowOopStruct[pid()] = &@var("_narrow_oop@universe.cpp");
- %: if($UseCompressedOops)
- NarrowOopStruct[pid()] = $_narrow_oop;
- %)
-
// Should really check arch of user space (for 32bit jvm on 64bit kernel).
%( arch == "i386" %?
sp_register = "esp";
@@ -136,22 +100,17 @@
// Pretend we have an array at address zero and take address of second
// element and we have the size.
- constantPoolOopDesc_size = &@cast(0, "constantPoolOopDesc")[1];
+ constantPool_size = &@cast(0, "ConstantPool")[1];
// Really should get from dwarf: @size("HeapBlock::Header"), @size("oopDesc")
HeapBlock_Header_size = 2 * ptr_size;
- oopDesc_size = 2 * ptr_size;
vm_inited[pid()] = 1;
}
probe hotspot.vm_shutdown
{
- delete(Universe_methodKlassObj[pid()]);
- delete(Universe_collectedHeap[pid()]);
- delete(HeapWordSize[pid()]);
delete(CodeCache_heap[pid()]);
- delete(NarrowOopStruct[pid()]);
delete(vm_inited[pid()]);
}
@@ -262,15 +221,7 @@
return frame;
}
- // Extract heap and code bounds.
- heap_start = @cast(Universe_collectedHeap[pid()],
- "CollectedHeap",
- "@ABS_SERVER_LIBJVM_SO@")->_reserved->_start;
- heap_size = HeapWordSize[pid()] * @cast(Universe_collectedHeap[pid()],
- "CollectedHeap",
- "@ABS_SERVER_LIBJVM_SO@")->_reserved->_word_size;
- heap_end = heap_start + heap_size;
-
+ // Extract code bounds.
CodeCache_low = @cast(CodeCache_heap[pid()], "CodeHeap",
"@ABS_SERVER_LIBJVM_SO@")->_memory->_low;
CodeCache_high = @cast(CodeCache_heap[pid()], "CodeHeap",
@@ -351,105 +302,69 @@
// For the interpreter (and other code blobs) it is on the
// stack relative to the frame pointer.
if (blob_name == "nmethod")
- methodOopPtr = @cast(blob, "nmethod",
+ methodPtr = @cast(blob, "nmethod",
"@ABS_SERVER_LIBJVM_SO@")->_method
else
- methodOopPtr = user_long(fp + (-3 * ptr_size)) & ptr_mask
-
- // Start optimistic. A methodOop is only valid if it was
- // heap allocated. And if the "type class" oop equals the
- // Universe::methodKlassObj.
- if (heap_start > methodOopPtr || methodOopPtr >= heap_end)
- isMethodOop = 0
- else
- {
- if (NarrowOopStruct[pid()])
- {
- methodOopKlass = @cast(methodOopPtr, "methodOopDesc",
- "@ABS_SERVER_LIBJVM_SO@")->_metadata->_compressed_klass;
- methodOopKlass = (@cast(NarrowOopStruct[pid()],
- "NarrowOopStruct",
- "@ABS_SERVER_LIBJVM_SO@")->_base
- + (methodOopKlass
- << @cast(NarrowOopStruct[pid()],
- "NarrowOopStruct",
- "@ABS_SERVER_LIBJVM_SO@")->_shift));
- }
- else
- methodOopKlass = @cast(methodOopPtr, "methodOopDesc",
- "@ABS_SERVER_LIBJVM_SO@")->_metadata->_klass;
+ methodPtr = user_long(fp + (-3 * ptr_size)) & ptr_mask
- isMethodOop = (methodOopKlass == Universe_methodKlassObj[pid()]);
- }
+ // The java class is the holder of the constants (strings)
+ // that describe the method and signature. This constant pool
+ // contains symbolic information that describe the properties
+ // of the class. The indexes for methods and signaturates in
+ // the constant pool are Symbols that contain utf8
+ // strings (plus lenghts). (We could also sanity check that
+ // the tag value is correct [CONSTANT_String = 8]).
+ // Note that the class name uses '/' instead of '.' as
+ // package name separator and that the method signature is
+ // encoded as a method descriptor string. Both of which we
+ // don't demangle here.
+ constMethod = @cast(methodPtr, "Method",
+ "@ABS_SERVER_LIBJVM_SO@")->_constMethod;
+ constantPool = @cast(constMethod, "ConstMethod",
+ "@ABS_SERVER_LIBJVM_SO@")->_constants;
+ constantPool_base = constantPool + constantPool_size;
+
+ klass = @cast(constantPool, "ConstantPool",
+ "@ABS_SERVER_LIBJVM_SO@")->_pool_holder;
+ klassSymbol = @cast(klass, "Klass",
+ "@ABS_SERVER_LIBJVM_SO@")->_name;
+ klassName = &@cast(klassSymbol, "Symbol",
+ "@ABS_SERVER_LIBJVM_SO@")->_body[0];
+ klassLength = @cast(klassSymbol, "Symbol",
+ "@ABS_SERVER_LIBJVM_SO@")->_length;
+
+ methodIndex = @cast(constMethod, "ConstMethod",
+ "@ABS_SERVER_LIBJVM_SO@")->_name_index;
+ methodSymbol = user_long(constantPool_base + (methodIndex * ptr_size));
+ methodName = &@cast(methodSymbol, "Symbol",
+ "@ABS_SERVER_LIBJVM_SO@")->_body[0];
+ methodLength = @cast(methodSymbol, "Symbol",
+ "@ABS_SERVER_LIBJVM_SO@")->_length;
- if (isMethodOop)
+ if (log_sig)
{
- // The java class is the holder of the constants (strings)
- // that describe the method and signature. This constant pool
- // contains symbolic information that describe the properties
- // of the class. The indexes for methods and signaturates in
- // the constant pool are Symbols that contain utf8
- // strings (plus lenghts). (We could also sanity check that
- // the tag value is correct [CONSTANT_String = 8]).
- // Note that the class name uses '/' instead of '.' as
- // package name separator and that the method signature is
- // encoded as a method descriptor string. Both of which we
- // don't demangle here.
- constantPoolOopDesc = @cast(methodOopPtr, "methodOopDesc",
- "@ABS_SERVER_LIBJVM_SO@")->_constants;
- constantPoolOop_base = constantPoolOopDesc + constantPoolOopDesc_size;
-
- klassPtr = @cast(constantPoolOopDesc, "constantPoolOopDesc",
- "@ABS_SERVER_LIBJVM_SO@")->_pool_holder;
- klassSymbol = @cast(klassPtr + oopDesc_size, "Klass",
- "@ABS_SERVER_LIBJVM_SO@")->_name;
- klassName = &@cast(klassSymbol, "Symbol",
- "@ABS_SERVER_LIBJVM_SO@")->_body[0];
- klassLength = @cast(klassSymbol, "Symbol",
- "@ABS_SERVER_LIBJVM_SO@")->_length;
-
- methodIndex = @cast(methodOopPtr, "methodOopDesc",
- "@ABS_SERVER_LIBJVM_SO@")->_constMethod->_name_index;
- methodOopDesc = user_long(constantPoolOop_base + (methodIndex * ptr_size)) - 1;
- methodName = &@cast(methodOopDesc, "Symbol",
- "@ABS_SERVER_LIBJVM_SO@")->_body[0];
- methodLength = @cast(methodOopDesc, "Symbol",
- "@ABS_SERVER_LIBJVM_SO@")->_length;
-
- if (log_sig)
- {
- sigIndex = @cast(methodOopPtr, "methodOopDesc",
- "@ABS_SERVER_LIBJVM_SO@")->_constMethod->_signature_index;
- sigOopDesc = user_long(constantPoolOop_base
- + (sigIndex * ptr_size)) - 1;
- sigName = &@cast(sigOopDesc, "Symbol",
- "@ABS_SERVER_LIBJVM_SO@")->_body[0];
- sigLength = @cast(sigOopDesc, "Symbol",
- "@ABS_SERVER_LIBJVM_SO@")->_length;
- sig = user_string_n(sigName, sigLength);
- }
- else
- sig = "";
-
- code_name = (log_native
- ? sprintf("<%s@0x%x>",
- str_replace(blob_name, " ", "_"), pc)
- : "");
-
- frame = sprintf("%s.%s%s%s",
- user_string_n(klassName, klassLength),
- user_string_n(methodName, methodLength),
- sig, code_name);
+ sigIndex = @cast(constMethod, "ConstMethod",
+ "@ABS_SERVER_LIBJVM_SO@")->_signature_index;
+ sigSymbol = user_long(constantPool_base
+ + (sigIndex * ptr_size));
+ sigName = &@cast(sigSymbol, "Symbol",
+ "@ABS_SERVER_LIBJVM_SO@")->_body[0];
+ sigLength = @cast(sigSymbol, "Symbol",
+ "@ABS_SERVER_LIBJVM_SO@")->_length;
+ sig = user_string_n(sigName, sigLength);
}
else
- {
- // This is probably just an internal function, not a java
- // method, just print the blob_name and continue.
- // fp is probably still trusted.
- if (log_native)
- frame = sprintf("<%s@0x%x>",
- str_replace(blob_name, " ", "_"), pc);
- }
+ sig = "";
+
+ code_name = (log_native
+ ? sprintf("<%s@0x%x>",
+ str_replace(blob_name, " ", "_"), pc)
+ : "");
+
+ frame = sprintf("%s.%s%s%s",
+ user_string_n(klassName, klassLength),
+ user_string_n(methodName, methodLength),
+ sig, code_name);
// We cannot trust the frame pointer of compiled methods.
// The server (c2) jit compiler uses the fp register.

2
sources
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@ -1,3 +1,3 @@
94ca5a45c3cb3b85c4577d0891166007 systemtap-tapset.tar.gz 822e321b710defc8f9c8ec97a6f34b55 systemtap-tapset-3.1.0.tar.xz
fd982589a6345c6dd3698256bed45d3d aarch64-port-jdk8u-aarch64-jdk8u102-b14.tar.xz fd982589a6345c6dd3698256bed45d3d aarch64-port-jdk8u-aarch64-jdk8u102-b14.tar.xz
76ebec7a595c567a66b9d15fdc530a56 aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u102-b14.tar.xz 76ebec7a595c567a66b9d15fdc530a56 aarch64-port-jdk8u-shenandoah-aarch64-shenandoah-jdk8u102-b14.tar.xz