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Adding CPU and I/O metrics to process module

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This commit is contained in:
Hari Krishna Reddy Juturu 2017-05-04 10:49:01 -07:00
parent 70e199e255
commit 8a5aa04756
5 changed files with 84 additions and 0 deletions
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35
atom/common/api/atom_bindings.cc
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@ -14,6 +14,7 @@
#include "atom/common/node_includes.h"
#include "base/logging.h"
#include "base/process/process_metrics.h"
#include "base/sys_info.h"
#include "native_mate/dictionary.h"
namespace atom {
@ -23,6 +24,38 @@ namespace {
// Dummy class type that used for crashing the program.
struct DummyClass { bool crash; };
v8::Local<v8::Value> GetCPUUsage(v8::Isolate* isolate) {
std::unique_ptr<base::ProcessMetrics> metrics(
base::ProcessMetrics::CreateCurrentProcessMetrics());
mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
int processor_count = base::SysInfo::NumberOfProcessors();
dict.Set("percentCPUUsage",
metrics->GetPlatformIndependentCPUUsage() / processor_count);
dict.Set("idleWakeupsPerSecond", metrics->GetIdleWakeupsPerSecond());
return dict.GetHandle();
}
v8::Local<v8::Value> GetIOCounters(v8::Isolate* isolate) {
std::unique_ptr<base::ProcessMetrics> metrics(
base::ProcessMetrics::CreateCurrentProcessMetrics());
base::IoCounters io_counters;
const bool got_counters = metrics->GetIOCounters(&io_counters);
mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
if (got_counters) {
dict.Set("readOperationCount", io_counters.ReadOperationCount);
dict.Set("writeOperationCount", io_counters.WriteOperationCount);
dict.Set("otherOperationCount", io_counters.OtherOperationCount);
dict.Set("readTransferCount", io_counters.ReadTransferCount);
dict.Set("writeTransferCount", io_counters.WriteTransferCount);
dict.Set("otherTransferCount", io_counters.OtherTransferCount);
}
return dict.GetHandle();
}
// Called when there is a fatal error in V8, we just crash the process here so
// we can get the stack trace.
void FatalErrorCallback(const char* location, const char* message) {
@ -52,6 +85,8 @@ void AtomBindings::BindTo(v8::Isolate* isolate,
dict.SetMethod("log", &Log);
dict.SetMethod("getProcessMemoryInfo", &GetProcessMemoryInfo);
dict.SetMethod("getSystemMemoryInfo", &GetSystemMemoryInfo);
dict.SetMethod("getCPUUsage", &GetCPUUsage);
dict.SetMethod("getIOCounters", &GetIOCounters);
#if defined(OS_POSIX)
dict.SetMethod("setFdLimit", &base::SetFdLimit);
#endif