Support Intel VTune ITT API

Add VTune domain support extension to use VTune Domain/Task API and
tagging trace data for particular JS code block.

How to use:
1. Set `"checkout_ittapi" = True` in the custom_vars section of .gclient
file to download intel/ittapi by 'gclient sync'
2. Build d8 with gn build flag 'v8_enable_vtunetracemark = true'
3. Run d8 with flag '--enable-vtune-domain-support'

The Vtune Domain/Task API can be invoked from JS to mark JS code block.
You can mark the start of a JS task by
    vtunedomainmark(domain_name, task_name, "start")
and the end of a task by
    vtunedomainmark(domain_name, task_name, "end")
Tasks can nest.

The VTune API (ittapi) is integrated as an external third party library
while the v8_vtune_jit also relies on the VTune ittapi. We have another
patch almost ready which refactors the v8_vtune_jit related code to
depend on the third_party/ittapi. We will submit the refactored v8_vtune_jit
code after this patch stabilized and landed.


Contributed by fanchen.kong@intel.com

Change-Id: I0ecc9dd4e1ea52545f1b6932fcdadfa7c1a6d2b2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1938490
Commit-Queue: Shiyu Zhang <shiyu.zhang@intel.com>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65409}

BUILD.gn

@@ -75,6 +75,9 @@ declare_args() {
   # Sets -dENABLE_VTUNE_JIT_INTERFACE.
   v8_enable_vtunejit = false
 
+  # Sets -dENABLE_VTUNE_TRACEMARK.
+  v8_enable_vtunetracemark = false
+
   # Sets -dENABLE_HANDLE_ZAPPING.
   v8_enable_handle_zapping = true
 
@@ -405,6 +408,9 @@ config("features") {
   if (v8_enable_vtunejit) {
     defines += [ "ENABLE_VTUNE_JIT_INTERFACE" ]
   }
+  if (v8_enable_vtunetracemark) {
+    defines += [ "ENABLE_VTUNE_TRACEMARK" ]
+  }
   if (v8_enable_minor_mc) {
     defines += [ "ENABLE_MINOR_MC" ]
   }
@@ -3325,6 +3331,14 @@ v8_source_set("v8_base_without_compiler") {
       v8_current_cpu == "s390" || v8_current_cpu == "s390x") {
     libs += [ "atomic" ]
   }
+
+  if (v8_enable_vtunetracemark && (is_linux || is_win)) {
+    sources += [
+      "src/extensions/vtunedomain-support-extension.cc",
+      "src/extensions/vtunedomain-support-extension.h",
+    ]
+    deps += [ "src/third_party/vtune:v8_vtune_trace_mark" ]
+  }
 }
 
 group("v8_base") {

DEPS

@@ -27,6 +27,7 @@ vars = {
   'checkout_fuchsia_boot_images': "qemu.x64,qemu.arm64",
 
   'checkout_instrumented_libraries': False,
+  'checkout_ittapi': False,
   'chromium_url': 'https://chromium.googlesource.com',
   'android_url': 'https://android.googlesource.com',
   'download_gcmole': False,
@@ -258,6 +259,12 @@ deps = {
     Var('chromium_url') + '/external/github.com/google/protobuf'+ '@' + 'b68a347f56137b4b1a746e8c7438495a6ac1bd91',
   'v8/third_party/zlib':
     Var('chromium_url') + '/chromium/src/third_party/zlib.git'+ '@' + 'f262c1b3c4196a2fee98c113142faff525b8d884',
+  'v8/third_party/ittapi': {
+    # Force checkout ittapi libraries to pass v8 header includes check on
+    # bots that has check_v8_header_includes enabled.
+    'url': Var('chromium_url') + '/external/github.com/intel/ittapi' + '@' + 'b4ae0122ba749163096058b4f1bb065bf4a7de94',
+    'condition': "checkout_ittapi or check_v8_header_includes",
+  },
 }
 
 include_rules = [
@@ -265,6 +272,7 @@ include_rules = [
   '+include',
   '+unicode',
   '+third_party/fdlibm',
+  '+third_party/ittapi/include'
 ]
 
 # checkdeps.py shouldn't check for includes in these directories:

src/extensions/vtunedomain-support-extension.cc

@@ -0,0 +1,144 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/extensions/vtunedomain-support-extension.h"
+#include <string>
+#include <vector>
+
+namespace v8 {
+namespace internal {
+
+namespace libvtune {
+
+int startTask(const std::vector<std::string>& vparams);
+int endTask(const std::vector<std::string>& vparams);
+
+const auto& function_map =
+    *new std::map<std::string, int (*)(const std::vector<std::string>&)>{
+        {"start", startTask}, {"end", endTask}};
+
+void split(const std::string& str, char delimiter,
+           std::vector<std::string>* vparams) {
+  std::string::size_type baseindex = 0;
+  std::string::size_type offindex = str.find(delimiter);
+
+  while (offindex != std::string::npos) {
+    (*vparams).push_back(str.substr(baseindex, offindex - baseindex));
+    baseindex = ++offindex;
+    offindex = str.find(delimiter, offindex);
+
+    if (offindex == std::string::npos)
+      (*vparams).push_back(str.substr(baseindex, str.length()));
+  }
+}
+
+int startTask(const std::vector<std::string>& vparams) {
+  int errcode = 0;
+
+  if (const char* domain_name = vparams[1].c_str()) {
+    if (const char* task_name = vparams[2].c_str()) {
+      if (std::shared_ptr<VTuneDomain> domainptr =
+              VTuneDomain::createDomain(domain_name)) {
+        if (!domainptr->beginTask(task_name)) {
+          errcode += TASK_BEGIN_FAILED;
+        }
+      } else {
+        errcode += CREATE_DOMAIN_FAILED;
+      }
+    } else {
+      errcode += NO_TASK_NAME;
+    }
+
+  } else {
+    errcode = NO_DOMAIN_NAME;
+  }
+
+  return errcode;
+}
+
+int endTask(const std::vector<std::string>& vparams) {
+  int errcode = 0;
+
+  if (const char* domain_name = vparams[1].c_str()) {
+    if (std::shared_ptr<VTuneDomain> domainptr =
+            VTuneDomain::createDomain(domain_name)) {
+      domainptr->endTask();
+    } else {
+      errcode += CREATE_DOMAIN_FAILED;
+    }
+  } else {
+    errcode = NO_DOMAIN_NAME;
+  }
+
+  return errcode;
+}
+
+int invoke(const char* params) {
+  int errcode = 0;
+  std::vector<std::string> vparams;
+
+  split(*(new std::string(params)), ' ', &vparams);
+
+  auto it = function_map.find(vparams[0]);
+  if (it != function_map.end()) {
+    (it->second)(vparams);
+  } else {
+    errcode += UNKNOWN_PARAMS;
+  }
+
+  return errcode;
+}
+
+}  // namespace libvtune
+
+v8::Local<v8::FunctionTemplate>
+VTuneDomainSupportExtension::GetNativeFunctionTemplate(
+    v8::Isolate* isolate, v8::Local<v8::String> str) {
+  return v8::FunctionTemplate::New(isolate, VTuneDomainSupportExtension::Mark);
+}
+
+// args should take three parameters
+// %0 : string, which is the domain name. Domain is used to tagging trace data
+// for different modules or libraryies in a program
+// %1 : string, which is the task name. Task is a logical unit of work performed
+// by a particular thread statement. Task can nest.
+// %2 : string, "start" / "end". Action to be taken on a task in a particular
+// domain
+void VTuneDomainSupportExtension::Mark(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  if (args.Length() != 3 || !args[0]->IsString() || !args[1]->IsString() ||
+      !args[2]->IsString()) {
+    args.GetIsolate()->ThrowException(
+        v8::String::NewFromUtf8(
+            args.GetIsolate(),
+            "Parameter number should be exactly three, first domain name"
+            "second task name, third start/end",
+            NewStringType::kNormal)
+            .ToLocalChecked());
+    return;
+  }
+
+  v8::Isolate* isolate = args.GetIsolate();
+  v8::String::Utf8Value domainName(isolate, args[0]);
+  v8::String::Utf8Value taskName(isolate, args[1]);
+  v8::String::Utf8Value statName(isolate, args[2]);
+
+  char* cdomainName = *domainName;
+  char* ctaskName = *taskName;
+  char* cstatName = *statName;
+
+  std::stringstream params;
+  params << cstatName << " " << cdomainName << " " << ctaskName;
+
+  int r = 0;
+  if ((r = libvtune::invoke(params.str().c_str())) != 0) {
+    args.GetIsolate()->ThrowException(
+        v8::String::NewFromUtf8(args.GetIsolate(), std::to_string(r).c_str(),
+                                NewStringType::kNormal)
+            .ToLocalChecked());
+  }
+}
+
+}  // namespace internal
+}  // namespace v8

src/extensions/vtunedomain-support-extension.h

@@ -0,0 +1,47 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_EXTENSIONS_VTUNEDOMAIN_SUPPORT_EXTENSION_H_
+#define V8_EXTENSIONS_VTUNEDOMAIN_SUPPORT_EXTENSION_H_
+
+#include "include/v8.h"
+#include "src/third_party/vtune/vtuneapi.h"
+#include "src/utils/utils.h"
+
+#define UNKNOWN_PARAMS 1 << 0
+#define NO_DOMAIN_NAME 1 << 1
+#define CREATE_DOMAIN_FAILED 1 << 2
+#define NO_TASK_NAME 1 << 3
+#define CREATE_TASK_FAILED 1 << 4
+#define TASK_BEGIN_FAILED 1 << 5
+#define TASK_END_FAILED 1 << 6
+
+namespace v8 {
+namespace internal {
+
+class VTuneDomainSupportExtension : public v8::Extension {
+ public:
+  explicit VTuneDomainSupportExtension(const char* fun_name = "test")
+      : v8::Extension("v8/vtunedomain",
+                      BuildSource(buffer_, sizeof(buffer_), fun_name)) {}
+
+  v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
+      v8::Isolate* isolate, v8::Local<v8::String> name) override;
+
+ private:
+  static void Mark(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  static const char* BuildSource(char* buf, size_t size, const char* fun_name) {
+    SNPrintF(Vector<char>(buf, static_cast<int>(size)), "native function %s();",
+             fun_name);
+    return buf;
+  }
+
+  char buffer_[50];
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_EXTENSIONS_VTUNEDOMAIN_SUPPORT_EXTENSION_H_

src/flags/flag-definitions.h

@@ -1075,6 +1075,7 @@ DEFINE_BOOL(disallow_code_generation_from_strings, false,
 DEFINE_BOOL(expose_async_hooks, false, "expose async_hooks object")
 DEFINE_STRING(expose_cputracemark_as, nullptr,
               "expose cputracemark extension under the specified name")
+DEFINE_BOOL(enable_vtune_domain_support, false, "enable vtune domain support")
 
 // builtins.cc
 DEFINE_BOOL(allow_unsafe_function_constructor, false,

src/init/bootstrapper.cc

@@ -19,6 +19,9 @@
 #include "src/extensions/ignition-statistics-extension.h"
 #include "src/extensions/statistics-extension.h"
 #include "src/extensions/trigger-failure-extension.h"
+#ifdef ENABLE_VTUNE_TRACEMARK
+#include "src/extensions/vtunedomain-support-extension.h"
+#endif  // ENABLE_VTUNE_TRACEMARK
 #include "src/heap/heap-inl.h"
 #include "src/logging/counters.h"
 #include "src/numbers/math-random.h"
@@ -130,6 +133,10 @@ void Bootstrapper::InitializeOncePerProcess() {
     v8::RegisterExtension(
         std::make_unique<CpuTraceMarkExtension>(FLAG_expose_cputracemark_as));
   }
+#ifdef ENABLE_VTUNE_TRACEMARK
+  v8::RegisterExtension(
+      std::make_unique<VTuneDomainSupportExtension>("vtunedomainmark"));
+#endif  // ENABLE_VTUNE_TRACEMARK
 }
 
 void Bootstrapper::TearDown() {
@@ -5032,6 +5039,10 @@ bool Genesis::InstallExtensions(Isolate* isolate,
                            &extension_states)) &&
          (!isValidCpuTraceMarkFunctionName() ||
           InstallExtension(isolate, "v8/cpumark", &extension_states)) &&
+#ifdef ENABLE_VTUNE_TRACEMARK
+         (!FLAG_enable_vtune_domain_support ||
+          InstallExtension(isolate, "v8/vtunedomain", &extension_states)) &&
+#endif  // ENABLE_VTUNE_TRACEMARK
          InstallRequestedExtensions(isolate, extensions, &extension_states);
 }
 

src/third_party/vtune/BUILD.gn

@@ -4,6 +4,13 @@
 
 import("//build/toolchain/toolchain.gni")
 
+config("vtune_ittapi") {
+  include_dirs = [
+    "../../../third_party/ittapi/include",
+    "../../../third_party/ittapi/src/ittnotify",
+  ]
+}
+
 static_library("v8_vtune") {
   sources = [
     "ittnotify_config.h",
@@ -18,3 +25,27 @@ static_library("v8_vtune") {
     "../../..:v8",
   ]
 }
+
+static_library("v8_vtune_trace_mark") {
+  sources = [
+    "../../../third_party/ittapi/include/ittnotify.h",
+    "vtuneapi.cc",
+    "vtuneapi.h",
+  ]
+  deps = [
+    ":ittnotify",
+  ]
+}
+
+static_library("ittnotify") {
+  sources = [
+    "../../../third_party/ittapi/include/ittnotify.h",
+    "../../../third_party/ittapi/include/legacy/ittnotify.h",
+    "../../../third_party/ittapi/src/ittnotify/disable-warnings.h",
+    "../../../third_party/ittapi/src/ittnotify/ittnotify_config.h",
+    "../../../third_party/ittapi/src/ittnotify/ittnotify_static.c",
+    "../../../third_party/ittapi/src/ittnotify/ittnotify_static.h",
+  ]
+  include_dirs = [ "../../../third_party/ittapi/include" ]
+  deps = []
+}

src/third_party/vtune/vtuneapi.cc

@@ -0,0 +1,83 @@
+#include "vtuneapi.h"
+#ifdef _MSC_VER  // for msvc
+#include <cstdlib>
+#endif
+
+std::map<std::string, std::shared_ptr<VTuneDomain>> VTuneDomain::domains_;
+std::map<std::string, __itt_string_handle*> VTuneDomain::string_handlers_;
+
+std::shared_ptr<VTuneDomain> VTuneDomain::createDomain(
+    const char* domain_name) {
+  auto domain = getDomain(domain_name);
+
+  if (domain == nullptr) {
+#ifdef _MSC_VER  // for msvc
+    wchar_t buffer[255];
+    mbstowcs(buffer, domain_name, 255);
+    __itt_domain* itt_domain = __itt_domain_create(buffer);  // call api
+#else  // for clang and gcc
+    __itt_domain* itt_domain = __itt_domain_create(domain_name);  // call api
+#endif
+    if (itt_domain != NULL) {
+      std::string key(domain_name);
+      std::shared_ptr<VTuneDomain> value(new VTuneDomain(itt_domain));
+      domain = value;
+      domains_.insert(std::make_pair(key, value));
+    }
+  }
+
+  return domain;
+}
+
+void VTuneDomain::destroyDomain(const char* domain_name) {
+  auto it = domains_.find(domain_name);
+  if (it != domains_.end()) {
+    domains_.erase(it);
+  }
+}
+
+std::shared_ptr<VTuneDomain> VTuneDomain::getDomain(const char* domain_name) {
+  std::shared_ptr<VTuneDomain> result(nullptr);
+
+  auto it = domains_.find(domain_name);
+  if (it != domains_.end()) {
+    result = it->second;
+  }
+
+  return result;
+}
+
+__itt_string_handle* VTuneDomain::getString(const char* str) {
+  __itt_string_handle* result = NULL;
+
+  auto it = string_handlers_.find(str);
+  if (it != string_handlers_.end()) {
+    result = it->second;
+  } else {
+#ifdef _MSC_VER  // for msvc
+    wchar_t buffer[255];
+    mbstowcs(buffer, str, 255);
+    result = __itt_string_handle_create(buffer);  // call api
+#else                                             // for clang and gcc
+    result = __itt_string_handle_create(str);
+#endif
+    std::string key(str);
+    string_handlers_.insert(std::make_pair(key, result));
+  }
+
+  return result;
+}
+
+bool VTuneDomain::beginTask(const char* task_name) {
+  bool result = false;
+
+  __itt_string_handle* name = getString(task_name);
+  if (name != NULL) {
+    __itt_task_begin(domain_, __itt_null, __itt_null, name);
+    result = true;
+  }
+
+  return result;
+}
+
+void VTuneDomain::endTask() { __itt_task_end(domain_); }

src/third_party/vtune/vtuneapi.h

@@ -0,0 +1,48 @@
+#ifndef __VTUNE_API_H__
+#define __VTUNE_API_H__
+
+#include <map>
+#include <memory>
+#include <string>
+#include "third_party/ittapi/include/ittnotify.h"
+
+class VTuneDomain {
+  /* factory method to create vtune domain */
+ public:
+  /* create vtune domain, domain_name should be unique, if there
+     already has a domain with same name, return false.
+   */
+  static std::shared_ptr<VTuneDomain> createDomain(const char* domain_name);
+
+  /* destory vtune domain*/
+  static void destroyDomain(const char* domain_name);
+
+  /* get a domain */
+  static std::shared_ptr<VTuneDomain> getDomain(const char* domain_name);
+
+  /* domain interface */
+ public:
+  /* start a task with name, if no task name or null, use "default_task_name"*/
+  bool beginTask(const char* task_name = "default_task_name");
+
+  /* end a task, if there is no stacked task, return false*/
+  void endTask();
+
+ public:
+  virtual ~VTuneDomain() {}
+
+ protected:
+  static __itt_string_handle* getString(const char* str);
+
+ protected:
+  VTuneDomain(__itt_domain* domain) { domain_ = domain; }
+
+ private:
+  static std::map<std::string, std::shared_ptr<VTuneDomain>> domains_;
+  static std::map<std::string, __itt_string_handle*> string_handlers_;
+
+ private:
+  __itt_domain* domain_;
+};
+
+#endif