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/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef STAT_H_
#define STAT_H_
#include <stdint.h>
#include <glib.h>
#include "spice-wrapped.h"
#include "stat-file.h"
SPICE_BEGIN_DECLS
typedef struct {
#ifdef RED_STATISTICS
uint64_t *counter;
#endif
uint8_t dummy_empty_field[0]; /* C/C++ compatibility */
} RedStatCounter;
typedef struct {
#ifdef RED_STATISTICS
uint32_t ref;
#endif
uint8_t dummy_empty_field[0]; /* C/C++ compatibility */
} RedStatNode;
#ifdef RED_STATISTICS
void stat_init_node(RedStatNode *node, SpiceServer *reds,
const RedStatNode *parent, const char *name, int visible);
void stat_remove_node(SpiceServer *reds, RedStatNode *node);
void stat_init_counter(RedStatCounter *counter, SpiceServer *reds,
const RedStatNode *parent, const char *name, int visible);
void stat_remove_counter(SpiceServer *reds, RedStatCounter *counter);
#else
static inline void
stat_init_node(RedStatNode *node, SpiceServer *reds,
const RedStatNode *parent, const char *name, int visible)
{
}
static inline void
stat_remove_node(SpiceServer *reds, RedStatNode *node)
{
}
static inline void
stat_init_counter(RedStatCounter *counter, SpiceServer *reds,
const RedStatNode *parent, const char *name, int visible)
{
}
static inline void
stat_remove_counter(SpiceServer *reds, RedStatCounter *counter)
{
}
#endif /* RED_STATISTICS */
static inline void
stat_inc_counter(RedStatCounter counter, uint64_t value)
{
#ifdef RED_STATISTICS
if (counter.counter) {
*(counter.counter) += value;
}
#endif
}
typedef uint64_t stat_time_t;
static inline stat_time_t stat_now(clockid_t clock_id)
{
struct timespec ts;
clock_gettime(clock_id, &ts);
return ts.tv_nsec + (uint64_t) ts.tv_sec * (1000 * 1000 * 1000);
}
typedef struct {
#if defined(RED_WORKER_STAT) || defined(COMPRESS_STAT)
stat_time_t time;
#endif
uint8_t dummy_empty_field[0]; /* C/C++ compatibility */
} stat_start_time_t;
#if defined(RED_WORKER_STAT) || defined(COMPRESS_STAT)
static inline double stat_cpu_time_to_sec(stat_time_t time)
{
return (double)time / (1000 * 1000 * 1000);
}
#endif
typedef struct {
#if defined(RED_WORKER_STAT) || defined(COMPRESS_STAT)
const char *name;
clockid_t clock;
uint32_t count;
stat_time_t max;
stat_time_t min;
stat_time_t total;
#ifdef COMPRESS_STAT
uint64_t orig_size;
uint64_t comp_size;
#endif
#endif
uint8_t dummy_empty_field[0]; /* C/C++ compatibility */
} stat_info_t;
static inline void stat_start_time_init(G_GNUC_UNUSED stat_start_time_t *tm,
G_GNUC_UNUSED const stat_info_t *info)
{
#if defined(RED_WORKER_STAT) || defined(COMPRESS_STAT)
tm->time = stat_now(info->clock);
#endif
}
static inline void stat_reset(G_GNUC_UNUSED stat_info_t *info)
{
#if defined(RED_WORKER_STAT) || defined(COMPRESS_STAT)
info->count = info->max = info->total = 0;
info->min = ~(stat_time_t)0;
#ifdef COMPRESS_STAT
info->orig_size = info->comp_size = 0;
#endif
#endif
}
static inline void stat_init(G_GNUC_UNUSED stat_info_t *info,
G_GNUC_UNUSED const char *name,
G_GNUC_UNUSED clockid_t clock)
{
#if defined(RED_WORKER_STAT) || defined(COMPRESS_STAT)
info->name = name;
info->clock = clock;
stat_reset(info);
#endif
}
static inline void stat_compress_init(G_GNUC_UNUSED stat_info_t *info,
G_GNUC_UNUSED const char *name,
G_GNUC_UNUSED clockid_t clock)
{
stat_init(info, name, clock);
}
static inline void stat_compress_add(G_GNUC_UNUSED stat_info_t *info,
G_GNUC_UNUSED stat_start_time_t start,
G_GNUC_UNUSED int orig_size,
G_GNUC_UNUSED int comp_size)
{
#ifdef COMPRESS_STAT
stat_time_t time;
++info->count;
time = stat_now(info->clock) - start.time;
info->total += time;
info->max = MAX(info->max, time);
info->min = MIN(info->min, time);
info->orig_size += orig_size;
info->comp_size += comp_size;
#endif
}
static inline double stat_byte_to_mega(uint64_t size)
{
return (double)size / (1000 * 1000);
}
static inline void stat_add(G_GNUC_UNUSED stat_info_t *info,
G_GNUC_UNUSED stat_start_time_t start)
{
#ifdef RED_WORKER_STAT
stat_time_t time;
++info->count;
time = stat_now(info->clock) - start.time;
info->total += time;
info->max = MAX(info->max, time);
info->min = MIN(info->min, time);
#endif
}
SPICE_END_DECLS
#endif /* STAT_H_ */
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