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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>
typedef uint32_t StatNodeRef;
#define INVALID_STAT_REF (~(StatNodeRef)0)
#ifdef RED_STATISTICS
StatNodeRef stat_add_node(StatNodeRef parent, const char *name, int visible);
void stat_remove_node(StatNodeRef node);
uint64_t *stat_add_counter(StatNodeRef parent, const char *name, int visible);
void stat_remove_counter(uint64_t *counter);
#define stat_inc_counter(counter, value) { \
if (counter) { \
*(counter) += (value); \
} \
}
#else
#define stat_add_node(p, n, v) INVALID_STAT_REF
#define stat_remove_node(n)
#define stat_add_counter(p, n, v) NULL
#define stat_remove_counter(c)
#define stat_inc_counter(c, v)
#endif /* RED_STATISTICS */
typedef unsigned long 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 + ts.tv_sec * 1000 * 1000 * 1000;
}
static inline double stat_cpu_time_to_sec(stat_time_t time)
{
return (double)time / (1000 * 1000 * 1000);
}
typedef struct stat_info_s {
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
} stat_info_t;
static inline void stat_reset(stat_info_t *info)
{
info->count = info->max = info->total = 0;
info->min = ~(stat_time_t)0;
#ifdef COMPRESS_STAT
info->orig_size = info->comp_size = 0;
#endif
}
#ifdef COMPRESS_STAT
static inline void stat_compress_init(stat_info_t *info, const char *name)
{
info->name = name;
stat_reset(info);
}
static inline void stat_compress_add(RedWorker *worker, stat_info_t *info,
stat_time_t start, int orig_size,
int comp_size)
{
stat_time_t time;
++info->count;
time = stat_now(worker) - start;
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;
}
double inline stat_byte_to_mega(uint64_t size)
{
return (double)size / (1000 * 1000);
}
#else
#define stat_compress_init(a, b)
#define stat_compress_add(a, b, c, d)
#endif
#ifdef RED_WORKER_STAT
static inline void stat_init(stat_info_t *info, const char *name, clockid_t clock)
{
info->name = name;
info->clock = clock;
stat_reset(info);
}
static inline void stat_add(stat_info_t *info, stat_time_t start)
{
stat_time_t time;
++info->count;
time = stat_now(info->clock) - start;
info->total += time;
info->max = MAX(info->max, time);
info->min = MIN(info->min, time);
}
#else
#define stat_add(a, b)
#define stat_init(a, b, c)
#endif /* RED_WORKER_STAT */
#endif /* _H_STAT */
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