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feat: add process.takeHeapSnapshot() / webContents.takeHeapSnapshot() (#14456)

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This commit is contained in:
Milan Burda 2018-09-18 20:00:31 +02:00 • committed by Shelley Vohr
parent 1855144d26
commit e22142ef9c
17 changed files with 262 additions and 5 deletions
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5
atom/common/api/api_messages.h
View file

@ -10,6 +10,7 @@
#include "content/public/common/common_param_traits.h"
#include "content/public/common/referrer.h"
#include "ipc/ipc_message_macros.h"
#include "ipc/ipc_platform_file.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/ipc/gfx_param_traits.h"
#include "url/gurl.h"
@ -76,3 +77,7 @@ IPC_SYNC_MESSAGE_ROUTED0_1(AtomFrameHostMsg_GetZoomLevel, double /* result */)
IPC_MESSAGE_ROUTED2(AtomFrameHostMsg_PDFSaveURLAs,
GURL /* url */,
content::Referrer /* referrer */)
IPC_MESSAGE_ROUTED2(AtomFrameMsg_TakeHeapSnapshot,
IPC::PlatformFileForTransit /* file_handle */,
std::string /* channel */)

15
atom/common/api/atom_bindings.cc
View file

@ -11,12 +11,15 @@
#include "atom/common/api/locker.h"
#include "atom/common/atom_version.h"
#include "atom/common/chrome_version.h"
#include "atom/common/heap_snapshot.h"
#include "atom/common/native_mate_converters/file_path_converter.h"
#include "atom/common/native_mate_converters/string16_converter.h"
#include "atom/common/node_includes.h"
#include "base/logging.h"
#include "base/process/process_info.h"
#include "base/process/process_metrics_iocounters.h"
#include "base/sys_info.h"
#include "base/threading/thread_restrictions.h"
#include "native_mate/dictionary.h"
namespace atom {
@ -60,6 +63,7 @@ void AtomBindings::BindTo(v8::Isolate* isolate, v8::Local<v8::Object> process) {
dict.SetMethod("getCPUUsage", base::Bind(&AtomBindings::GetCPUUsage,
base::Unretained(metrics_.get())));
dict.SetMethod("getIOCounters", &GetIOCounters);
dict.SetMethod("takeHeapSnapshot", &TakeHeapSnapshot);
#if defined(OS_POSIX)
dict.SetMethod("setFdLimit", &base::SetFdLimit);
#endif
@ -238,4 +242,15 @@ v8::Local<v8::Value> AtomBindings::GetIOCounters(v8::Isolate* isolate) {
return dict.GetHandle();
}
// static
bool AtomBindings::TakeHeapSnapshot(v8::Isolate* isolate,
const base::FilePath& file_path) {
base::ThreadRestrictions::ScopedAllowIO allow_io;
base::File file(file_path,
base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
return atom::TakeHeapSnapshot(isolate, &file);
}
} // namespace atom

3
atom/common/api/atom_bindings.h
View file

@ -8,6 +8,7 @@
#include <list>
#include <memory>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/process/process_metrics.h"
#include "base/strings/string16.h"
@ -43,6 +44,8 @@ class AtomBindings {
static v8::Local<v8::Value> GetCPUUsage(base::ProcessMetrics* metrics,
v8::Isolate* isolate);
static v8::Local<v8::Value> GetIOCounters(v8::Isolate* isolate);
static bool TakeHeapSnapshot(v8::Isolate* isolate,
const base::FilePath& file_path);
private:
void ActivateUVLoop(v8::Isolate* isolate);