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-rw-r--r--tools/cpp-define-generator/constant_lockword.def22
-rw-r--r--tools/dexanalyze/dexanalyze.cc13
-rw-r--r--tools/dexanalyze/dexanalyze_experiments.cc22
-rw-r--r--tools/dexanalyze/dexanalyze_experiments.h3
-rwxr-xr-xtools/run-jdwp-tests.sh4
-rw-r--r--tools/tracefast-plugin/Android.bp108
-rw-r--r--tools/tracefast-plugin/tracefast.cc177
7 files changed, 333 insertions, 16 deletions
diff --git a/tools/cpp-define-generator/constant_lockword.def b/tools/cpp-define-generator/constant_lockword.def
index 08d588505d..977d1ca12d 100644
--- a/tools/cpp-define-generator/constant_lockword.def
+++ b/tools/cpp-define-generator/constant_lockword.def
@@ -23,23 +23,29 @@
#define DEFINE_LOCK_WORD_EXPR(macro_name, type, constant_field_name) \
DEFINE_EXPR(LOCK_WORD_ ## macro_name, type, art::LockWord::constant_field_name)
+// FIXME: The naming is inconsistent, the `Shifted` -> `_SHIFTED` suffix is sometimes missing.
DEFINE_LOCK_WORD_EXPR(STATE_SHIFT, int32_t, kStateShift)
-DEFINE_LOCK_WORD_EXPR(STATE_MASK, uint32_t, kStateMaskShifted)
+DEFINE_LOCK_WORD_EXPR(STATE_MASK_SHIFTED, uint32_t, kStateMaskShifted)
DEFINE_LOCK_WORD_EXPR(READ_BARRIER_STATE_SHIFT, int32_t, kReadBarrierStateShift)
-DEFINE_LOCK_WORD_EXPR(READ_BARRIER_STATE_MASK, uint32_t, kReadBarrierStateMaskShifted)
+DEFINE_LOCK_WORD_EXPR(READ_BARRIER_STATE_MASK, uint32_t, kReadBarrierStateMaskShifted)
DEFINE_LOCK_WORD_EXPR(READ_BARRIER_STATE_MASK_TOGGLED, uint32_t, kReadBarrierStateMaskShiftedToggled)
-DEFINE_LOCK_WORD_EXPR(THIN_LOCK_COUNT_ONE, int32_t, kThinLockCountOne)
+DEFINE_LOCK_WORD_EXPR(THIN_LOCK_COUNT_SIZE, int32_t, kThinLockCountSize)
+DEFINE_LOCK_WORD_EXPR(THIN_LOCK_COUNT_SHIFT, int32_t, kThinLockCountShift)
+DEFINE_LOCK_WORD_EXPR(THIN_LOCK_COUNT_MASK_SHIFTED, uint32_t, kThinLockCountMaskShifted)
+DEFINE_LOCK_WORD_EXPR(THIN_LOCK_COUNT_ONE, uint32_t, kThinLockCountOne)
+DEFINE_LOCK_WORD_EXPR(THIN_LOCK_OWNER_MASK_SHIFTED, uint32_t, kThinLockOwnerMaskShifted)
-DEFINE_LOCK_WORD_EXPR(STATE_FORWARDING_ADDRESS, uint32_t, kStateForwardingAddress)
+DEFINE_LOCK_WORD_EXPR(STATE_FORWARDING_ADDRESS, uint32_t, kStateForwardingAddress)
DEFINE_LOCK_WORD_EXPR(STATE_FORWARDING_ADDRESS_OVERFLOW, uint32_t, kStateForwardingAddressOverflow)
DEFINE_LOCK_WORD_EXPR(STATE_FORWARDING_ADDRESS_SHIFT, uint32_t, kForwardingAddressShift)
-DEFINE_LOCK_WORD_EXPR(GC_STATE_MASK_SHIFTED, uint32_t, kGCStateMaskShifted)
+DEFINE_LOCK_WORD_EXPR(GC_STATE_MASK_SHIFTED, uint32_t, kGCStateMaskShifted)
DEFINE_LOCK_WORD_EXPR(GC_STATE_MASK_SHIFTED_TOGGLED, uint32_t, kGCStateMaskShiftedToggled)
-DEFINE_LOCK_WORD_EXPR(GC_STATE_SHIFT, int32_t, kGCStateShift)
+DEFINE_LOCK_WORD_EXPR(GC_STATE_SIZE, int32_t, kGCStateSize)
+DEFINE_LOCK_WORD_EXPR(GC_STATE_SHIFT, int32_t, kGCStateShift)
-DEFINE_LOCK_WORD_EXPR(MARK_BIT_SHIFT, int32_t, kMarkBitStateShift)
-DEFINE_LOCK_WORD_EXPR(MARK_BIT_MASK_SHIFTED, uint32_t, kMarkBitStateMaskShifted)
+DEFINE_LOCK_WORD_EXPR(MARK_BIT_SHIFT, int32_t, kMarkBitStateShift)
+DEFINE_LOCK_WORD_EXPR(MARK_BIT_MASK_SHIFTED, uint32_t, kMarkBitStateMaskShifted)
#undef DEFINE_LOCK_WORD_EXPR
diff --git a/tools/dexanalyze/dexanalyze.cc b/tools/dexanalyze/dexanalyze.cc
index 58b1fc7ba3..46c48520e3 100644
--- a/tools/dexanalyze/dexanalyze.cc
+++ b/tools/dexanalyze/dexanalyze.cc
@@ -30,7 +30,10 @@
namespace art {
class DexAnalyze {
- static const int kExitCodeUsageError = 1;
+ static constexpr int kExitCodeUsageError = 1;
+ static constexpr int kExitCodeFailedToOpenFile = 2;
+ static constexpr int kExitCodeFailedToOpenDex = 3;
+ static constexpr int kExitCodeFailedToProcessDex = 4;
static void StdoutLogger(android::base::LogId,
android::base::LogSeverity,
@@ -135,10 +138,10 @@ class DexAnalyze {
Analysis cumulative(&options);
for (const std::string& filename : options.filenames_) {
std::string content;
- // TODO: once added, use an api to android::base to read a std::vector<uint8_t>.
+ // TODO: once added, use an API to android::base to read a std::vector<uint8_t>.
if (!android::base::ReadFileToString(filename.c_str(), &content)) {
LOG(ERROR) << "ReadFileToString failed for " + filename << std::endl;
- return 2;
+ return kExitCodeFailedToOpenFile;
}
std::vector<std::unique_ptr<const DexFile>> dex_files;
const DexFileLoader dex_file_loader;
@@ -150,14 +153,14 @@ class DexAnalyze {
&error_msg,
&dex_files)) {
LOG(ERROR) << "OpenAll failed for " + filename << " with " << error_msg << std::endl;
- return 3;
+ return kExitCodeFailedToOpenDex;
}
for (std::unique_ptr<const DexFile>& dex_file : dex_files) {
if (options.dump_per_input_dex_) {
Analysis current(&options);
if (!current.ProcessDexFile(*dex_file)) {
LOG(ERROR) << "Failed to process " << filename << " with error " << error_msg;
- return 4;
+ return kExitCodeFailedToProcessDex;
}
LOG(INFO) << "Analysis for " << dex_file->GetLocation() << std::endl;
current.Dump(LOG_STREAM(INFO));
diff --git a/tools/dexanalyze/dexanalyze_experiments.cc b/tools/dexanalyze/dexanalyze_experiments.cc
index bfeb4b9d72..adc515472d 100644
--- a/tools/dexanalyze/dexanalyze_experiments.cc
+++ b/tools/dexanalyze/dexanalyze_experiments.cc
@@ -26,6 +26,7 @@
#include "dex/code_item_accessors-inl.h"
#include "dex/dex_instruction-inl.h"
#include "dex/standard_dex_file.h"
+#include "dex/utf-inl.h"
namespace art {
@@ -48,8 +49,20 @@ void AnalyzeStrings::ProcessDexFile(const DexFile& dex_file) {
std::vector<std::string> strings;
for (size_t i = 0; i < dex_file.NumStringIds(); ++i) {
uint32_t length = 0;
- const char* data =
- dex_file.GetStringDataAndUtf16Length(dex_file.GetStringId(dex::StringIndex(i)), &length);
+ const char* data = dex_file.StringDataAndUtf16LengthByIdx(dex::StringIndex(i), &length);
+ // Analyze if the string has any UTF16 chars.
+ bool have_wide_char = false;
+ const char* ptr = data;
+ for (size_t j = 0; j < length; ++j) {
+ have_wide_char = have_wide_char || GetUtf16FromUtf8(&ptr) >= 0x100;
+ }
+ if (have_wide_char) {
+ wide_string_bytes_ += 2 * length;
+ } else {
+ ascii_string_bytes_ += length;
+ }
+ string_data_bytes_ += ptr - data;
+
strings.push_back(data);
}
// Note that the strings are probably already sorted.
@@ -88,6 +101,11 @@ void AnalyzeStrings::ProcessDexFile(const DexFile& dex_file) {
}
void AnalyzeStrings::Dump(std::ostream& os, uint64_t total_size) const {
+ os << "Total string data bytes " << Percent(string_data_bytes_, total_size) << "\n";
+ os << "UTF-16 string data bytes " << Percent(wide_string_bytes_, total_size) << "\n";
+ os << "ASCII string data bytes " << Percent(ascii_string_bytes_, total_size) << "\n";
+
+ // Prefix based strings.
os << "Total shared prefix bytes " << Percent(total_prefix_savings_, total_size) << "\n";
os << "Prefix dictionary cost " << Percent(total_prefix_dict_, total_size) << "\n";
os << "Prefix table cost " << Percent(total_prefix_table_, total_size) << "\n";
diff --git a/tools/dexanalyze/dexanalyze_experiments.h b/tools/dexanalyze/dexanalyze_experiments.h
index 6f70f5d166..0fb4d32005 100644
--- a/tools/dexanalyze/dexanalyze_experiments.h
+++ b/tools/dexanalyze/dexanalyze_experiments.h
@@ -41,6 +41,9 @@ class AnalyzeStrings : public Experiment {
void Dump(std::ostream& os, uint64_t total_size) const;
private:
+ int64_t wide_string_bytes_ = 0u;
+ int64_t ascii_string_bytes_ = 0u;
+ int64_t string_data_bytes_ = 0u;
int64_t total_prefix_savings_ = 0u;
int64_t total_prefix_dict_ = 0u;
int64_t total_prefix_table_ = 0u;
diff --git a/tools/run-jdwp-tests.sh b/tools/run-jdwp-tests.sh
index d376cad9da..eebc09278a 100755
--- a/tools/run-jdwp-tests.sh
+++ b/tools/run-jdwp-tests.sh
@@ -360,7 +360,9 @@ echo "Killing stalled dalvikvm processes..."
if [[ $mode == "host" ]]; then
pkill -9 -f /bin/dalvikvm
else
- adb shell pkill -9 -f /bin/dalvikvm
+ # Tests may run on older Android versions where pkill requires "-l SIGNAL"
+ # rather than "-SIGNAL".
+ adb shell pkill -l 9 -f /bin/dalvikvm
fi
echo "Done."
diff --git a/tools/tracefast-plugin/Android.bp b/tools/tracefast-plugin/Android.bp
new file mode 100644
index 0000000000..1d7dd302c0
--- /dev/null
+++ b/tools/tracefast-plugin/Android.bp
@@ -0,0 +1,108 @@
+//
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+// Build variants {target,host} x {debug,ndebug} x {32,64}
+
+cc_defaults {
+ name: "tracefast-defaults",
+ host_supported: true,
+ srcs: ["tracefast.cc"],
+ defaults: ["art_defaults"],
+
+ // Note that this tool needs to be built for both 32-bit and 64-bit since it requires
+ // to be same ISA as what it is attached to.
+ compile_multilib: "both",
+
+ shared_libs: [
+ "libbase",
+ ],
+ target: {
+ android: {
+ shared_libs: [
+ "libcutils",
+ ],
+ },
+ darwin: {
+ enabled: false,
+ },
+ },
+ header_libs: [
+ "libnativehelper_header_only",
+ ],
+ multilib: {
+ lib32: {
+ suffix: "32",
+ },
+ lib64: {
+ suffix: "64",
+ },
+ },
+ symlink_preferred_arch: true,
+}
+
+cc_defaults {
+ name: "tracefast-interpreter-defaults",
+ defaults: ["tracefast-defaults"],
+ cflags: ["-DTRACEFAST_INTERPRETER=1"],
+}
+
+cc_defaults {
+ name: "tracefast-trampoline-defaults",
+ defaults: ["tracefast-defaults"],
+ cflags: ["-DTRACEFAST_TRAMPOLINE=1"],
+}
+
+art_cc_library {
+ name: "libtracefast-interpreter",
+ defaults: ["tracefast-interpreter-defaults"],
+ shared_libs: [
+ "libart",
+ "libartbase",
+ ],
+}
+
+art_cc_library {
+ name: "libtracefast-interpreterd",
+ defaults: [
+ "art_debug_defaults",
+ "tracefast-interpreter-defaults",
+ ],
+ shared_libs: [
+ "libartd",
+ "libartbased",
+ ],
+}
+
+art_cc_library {
+ name: "libtracefast-trampoline",
+ defaults: ["tracefast-trampoline-defaults"],
+ shared_libs: [
+ "libart",
+ "libartbase",
+ ],
+}
+
+art_cc_library {
+ name: "libtracefast-trampolined",
+ defaults: [
+ "art_debug_defaults",
+ "tracefast-trampoline-defaults",
+ ],
+ shared_libs: [
+ "libartd",
+ "libartbased",
+ ],
+}
diff --git a/tools/tracefast-plugin/tracefast.cc b/tools/tracefast-plugin/tracefast.cc
new file mode 100644
index 0000000000..ed6ac3d199
--- /dev/null
+++ b/tools/tracefast-plugin/tracefast.cc
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "gc/scoped_gc_critical_section.h"
+#include "instrumentation.h"
+#include "runtime.h"
+#include "runtime_callbacks.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-inl.h"
+#include "thread_list.h"
+
+namespace tracefast {
+
+#if ((!defined(TRACEFAST_INTERPRETER) && !defined(TRACEFAST_TRAMPOLINE)) || \
+ (defined(TRACEFAST_INTERPRETER) && defined(TRACEFAST_TRAMPOLINE)))
+#error Must set one of TRACEFAST_TRAMPOLINE or TRACEFAST_INTERPRETER during build
+#endif
+
+
+#ifdef TRACEFAST_INTERPRETER
+static constexpr const char* kTracerInstrumentationKey = "tracefast_INTERPRETER";
+static constexpr bool kNeedsInterpreter = true;
+#else // defined(TRACEFAST_TRAMPOLINE)
+static constexpr const char* kTracerInstrumentationKey = "tracefast_TRAMPOLINE";
+static constexpr bool kNeedsInterpreter = false;
+#endif // TRACEFAST_INITERPRETER
+
+class Tracer FINAL : public art::instrumentation::InstrumentationListener {
+ public:
+ Tracer() {}
+
+ void MethodEntered(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void MethodExited(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> return_value ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void MethodExited(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ const art::JValue& return_value ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void MethodUnwind(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void DexPcMoved(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t new_dex_pc ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void FieldRead(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ art::ArtField* field ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void FieldWritten(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ art::ArtField* field ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> field_value ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void FieldWritten(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ art::ArtField* field ATTRIBUTE_UNUSED,
+ const art::JValue& field_value ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void ExceptionThrown(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Throwable> exception_object ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void ExceptionHandled(art::Thread* self ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Throwable> throwable ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void Branch(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::ArtMethod* method ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ int32_t dex_pc_offset ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void InvokeVirtualOrInterface(art::Thread* thread ATTRIBUTE_UNUSED,
+ art::Handle<art::mirror::Object> this_object ATTRIBUTE_UNUSED,
+ art::ArtMethod* caller ATTRIBUTE_UNUSED,
+ uint32_t dex_pc ATTRIBUTE_UNUSED,
+ art::ArtMethod* callee ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ void WatchedFramePop(art::Thread* thread ATTRIBUTE_UNUSED,
+ const art::ShadowFrame& frame ATTRIBUTE_UNUSED)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) { }
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(Tracer);
+};
+
+Tracer gEmptyTracer;
+
+static void StartTracing() REQUIRES(!art::Locks::mutator_lock_,
+ !art::Locks::thread_list_lock_,
+ !art::Locks::thread_suspend_count_lock_) {
+ art::Thread* self = art::Thread::Current();
+ art::Runtime* runtime = art::Runtime::Current();
+ art::gc::ScopedGCCriticalSection gcs(self,
+ art::gc::kGcCauseInstrumentation,
+ art::gc::kCollectorTypeInstrumentation);
+ art::ScopedSuspendAll ssa("starting fast tracing");
+ runtime->GetInstrumentation()->AddListener(&gEmptyTracer,
+ art::instrumentation::Instrumentation::kMethodEntered |
+ art::instrumentation::Instrumentation::kMethodExited |
+ art::instrumentation::Instrumentation::kMethodUnwind);
+ runtime->GetInstrumentation()->EnableMethodTracing(kTracerInstrumentationKey, kNeedsInterpreter);
+}
+
+class TraceFastPhaseCB : public art::RuntimePhaseCallback {
+ public:
+ TraceFastPhaseCB() {}
+
+ void NextRuntimePhase(art::RuntimePhaseCallback::RuntimePhase phase)
+ OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) {
+ if (phase == art::RuntimePhaseCallback::RuntimePhase::kInit) {
+ art::ScopedThreadSuspension sts(art::Thread::Current(),
+ art::ThreadState::kWaitingForMethodTracingStart);
+ StartTracing();
+ }
+ }
+};
+TraceFastPhaseCB gPhaseCallback;
+
+// The plugin initialization function.
+extern "C" bool ArtPlugin_Initialize() REQUIRES_SHARED(art::Locks::mutator_lock_) {
+ art::Runtime* runtime = art::Runtime::Current();
+ art::ScopedThreadSuspension stsc(art::Thread::Current(),
+ art::ThreadState::kWaitingForMethodTracingStart);
+ art::ScopedSuspendAll ssa("Add phase callback");
+ runtime->GetRuntimeCallbacks()->AddRuntimePhaseCallback(&gPhaseCallback);
+ return true;
+}
+
+extern "C" bool ArtPlugin_Deinitialize() {
+ // Don't need to bother doing anything.
+ return true;
+}
+
+} // namespace tracefast
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-10 09:29:50 +0000