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API to get memory of all processes of the app

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This commit is contained in:
Hari Krishna Reddy Juturu 2017-04-17 04:59:16 -07:00
parent dafd0b6c3c
commit bef7d5a520
3 changed files with 65 additions and 1 deletions
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35
atom/browser/api/atom_api_app.cc
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@ -912,6 +912,38 @@ void App::GetFileIcon(const base::FilePath& path,
}
}
v8::Local<v8::Value> App::GetAppMemoryInfo(v8::Isolate* isolate) {
AppIdProcessIterator processIterator;
auto processEntry = processIterator.NextProcessEntry();
mate::Dictionary result = mate::Dictionary::CreateEmpty(isolate);
while(processEntry != nullptr) {
int64_t pid = processEntry->pid();
auto process = base::Process::OpenWithExtraPrivileges(pid);
std::unique_ptr<base::ProcessMetrics> metrics(
base::ProcessMetrics::CreateProcessMetrics(process.Handle()));
mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
dict.Set("workingSetSize",
static_cast<double>(metrics->GetWorkingSetSize() >> 10));
dict.Set("peakWorkingSetSize",
static_cast<double>(metrics->GetPeakWorkingSetSize() >> 10));
size_t private_bytes, shared_bytes;
if (metrics->GetMemoryBytes(&private_bytes, &shared_bytes)) {
dict.Set("privateBytes", static_cast<double>(private_bytes >> 10));
dict.Set("sharedBytes", static_cast<double>(shared_bytes >> 10));
}
result.Set(std::to_string(pid).c_str(), dict);
processEntry = processIterator.NextProcessEntry();
}
return result.GetHandle();
}
// static
mate::Handle<App> App::Create(v8::Isolate* isolate) {
return mate::CreateHandle(isolate, new App(isolate));
@ -983,7 +1015,8 @@ void App::BuildPrototype(
&App::IsAccessibilitySupportEnabled)
.SetMethod("disableHardwareAcceleration",
&App::DisableHardwareAcceleration)
.SetMethod("getFileIcon", &App::GetFileIcon);
.SetMethod("getFileIcon", &App::GetFileIcon)
.SetMethod("getAppMemoryInfo", &App::GetAppMemoryInfo);
}
} // namespace api