aboutsummaryrefslogtreecommitdiffstats
path: root/library/cpp/lfalloc/alloc_profiler/profiler.h
blob: 4ea49b9dcc8b40a356f8dd320f751c9100e1d2d1 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
#pragma once

#include "stackcollect.h"

#include <library/cpp/lfalloc/dbg_info/dbg_info.h>

#include <util/generic/noncopyable.h>
#include <util/stream/output.h>

namespace NAllocProfiler {

////////////////////////////////////////////////////////////////////////////////

inline int SetCurrentScopeTag(int value)
{
    return NAllocDbg::SetThreadAllocTag(value);
}

inline bool SetProfileCurrentThread(bool value)
{
    return NAllocDbg::SetProfileCurrentThread(value);
}

bool StartAllocationSampling(bool profileAllThreads = false);
bool StopAllocationSampling(IAllocationStatsDumper& out, int count = 100);
bool StopAllocationSampling(IOutputStream& out, int count = 100);

////////////////////////////////////////////////////////////////////////////////

class TProfilingScope: private TNonCopyable {
private:
    const int Prev;

public:
    explicit TProfilingScope(int value)
        : Prev(SetCurrentScopeTag(value))
    {}

    ~TProfilingScope()
    {
        SetCurrentScopeTag(Prev);
    }
};

}   // namespace NAllocProfiler