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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 _H_STAT
#define _H_STAT
#include <stdint.h>
#include <glib.h>
typedef uint32_t StatNodeRef;
#define INVALID_STAT_REF (~(StatNodeRef)0)
#ifdef RED_STATISTICS
StatNodeRef stat_add_node(SpiceServer *reds, StatNodeRef parent, const char *name, int visible);
void stat_remove_node(SpiceServer *reds, StatNodeRef node);
uint64_t *stat_add_counter(SpiceServer *reds, StatNodeRef parent, const char *name, int visible);
void stat_remove_counter(SpiceServer *reds, uint64_t *counter);
void stat_update_value(SpiceServer *reds, uint32_t value);
#define stat_inc_counter(reds, counter, value) { \
if (counter) { \
*(counter) += (value); \
} \
}
#else
#define stat_add_node(r, p, n, v) INVALID_STAT_REF
#define stat_remove_node(r, n)
#define stat_add_counter(r, p, n, v) NULL
#define stat_remove_counter(r, c)
#define stat_inc_counter(r, c, v)
#endif /* RED_STATISTICS */
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
} 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
} 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
}
#endif /* _H_STAT */
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