mirror of
https://github.com/zeek/zeek.git
synced 2025-10-02 14:48:21 +00:00
147 lines
3.2 KiB
C++
147 lines
3.2 KiB
C++
// Classes that collect and report statistics.
|
|
|
|
#pragma once
|
|
|
|
#include "zeek/zeek-config.h"
|
|
|
|
#include <sys/resource.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <cstdint>
|
|
#include <memory>
|
|
|
|
namespace zeek
|
|
{
|
|
|
|
class File;
|
|
class Func;
|
|
class TableVal;
|
|
|
|
namespace detail
|
|
{
|
|
|
|
class Location;
|
|
|
|
// Object called by SegmentProfiler when it is done and reports its
|
|
// cumulative CPU/memory statistics.
|
|
class SegmentStatsReporter
|
|
{
|
|
public:
|
|
SegmentStatsReporter() { }
|
|
virtual ~SegmentStatsReporter() { }
|
|
|
|
virtual void SegmentProfile(const char* name, const Location* loc, double dtime, int dmem) = 0;
|
|
};
|
|
|
|
// A SegmentProfiler tracks how much CPU and memory is consumed
|
|
// across its lifetime.
|
|
//
|
|
// ### This needs porting to Linux. It could also be improved by
|
|
// better efforts at measuring its own overhead.
|
|
class SegmentProfiler
|
|
{
|
|
public:
|
|
// The constructor takes some way of identifying the segment.
|
|
SegmentProfiler(std::shared_ptr<SegmentStatsReporter> arg_reporter, const char* arg_name)
|
|
: reporter(std::move(arg_reporter)), name(arg_name), loc(), initial_rusage()
|
|
{
|
|
if ( reporter )
|
|
Init();
|
|
}
|
|
|
|
SegmentProfiler(std::shared_ptr<SegmentStatsReporter> arg_reporter, const Location* arg_loc)
|
|
: reporter(std::move(arg_reporter)), name(), loc(arg_loc), initial_rusage()
|
|
{
|
|
if ( reporter )
|
|
Init();
|
|
}
|
|
|
|
~SegmentProfiler()
|
|
{
|
|
if ( reporter )
|
|
Report();
|
|
}
|
|
|
|
protected:
|
|
void Init();
|
|
void Report();
|
|
|
|
std::shared_ptr<SegmentStatsReporter> reporter;
|
|
const char* name;
|
|
const Location* loc;
|
|
struct rusage initial_rusage;
|
|
};
|
|
|
|
class ProfileLogger final : public SegmentStatsReporter
|
|
{
|
|
public:
|
|
ProfileLogger(zeek::File* file, double interval);
|
|
~ProfileLogger() override;
|
|
|
|
void Log();
|
|
zeek::File* File() { return file; }
|
|
|
|
protected:
|
|
void SegmentProfile(const char* name, const Location* loc, double dtime, int dmem) override;
|
|
|
|
private:
|
|
zeek::File* file;
|
|
unsigned int log_count;
|
|
};
|
|
|
|
// Generates load_sample() events.
|
|
class SampleLogger final : public SegmentStatsReporter
|
|
{
|
|
public:
|
|
SampleLogger();
|
|
~SampleLogger() override;
|
|
|
|
// These are called to report that a given function or location
|
|
// has been seen during the sampling.
|
|
void FunctionSeen(const Func* func);
|
|
void LocationSeen(const Location* loc);
|
|
|
|
protected:
|
|
void SegmentProfile(const char* name, const Location* loc, double dtime, int dmem) override;
|
|
|
|
TableVal* load_samples;
|
|
};
|
|
|
|
extern std::shared_ptr<ProfileLogger> profiling_logger;
|
|
extern std::shared_ptr<ProfileLogger> segment_logger;
|
|
extern std::shared_ptr<SampleLogger> sample_logger;
|
|
|
|
// Connection statistics.
|
|
extern uint64_t killed_by_inactivity;
|
|
|
|
// Content gap statistics.
|
|
extern uint64_t tot_ack_events;
|
|
extern uint64_t tot_ack_bytes;
|
|
extern uint64_t tot_gap_events;
|
|
extern uint64_t tot_gap_bytes;
|
|
|
|
class PacketProfiler
|
|
{
|
|
public:
|
|
PacketProfiler(unsigned int mode, double freq, File* arg_file);
|
|
~PacketProfiler();
|
|
|
|
static const unsigned int MODE_TIME = 1;
|
|
static const unsigned int MODE_PACKET = 2;
|
|
static const unsigned int MODE_VOLUME = 3;
|
|
|
|
void ProfilePkt(double t, unsigned int bytes);
|
|
|
|
protected:
|
|
File* file;
|
|
unsigned int update_mode;
|
|
double update_freq;
|
|
double last_Utime, last_Stime, last_Rtime;
|
|
double last_timestamp, time;
|
|
uint64_t last_mem;
|
|
uint64_t pkt_cnt;
|
|
uint64_t byte_cnt;
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace zeek
|