mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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1ab8df03ce
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com> Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Fabiano Fidêncio <fidencio@redhat.com>
138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _H_STAT
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#define _H_STAT
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#include <stdint.h>
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typedef uint32_t StatNodeRef;
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#define INVALID_STAT_REF (~(StatNodeRef)0)
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#ifdef RED_STATISTICS
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StatNodeRef stat_add_node(StatNodeRef parent, const char *name, int visible);
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void stat_remove_node(StatNodeRef node);
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uint64_t *stat_add_counter(StatNodeRef parent, const char *name, int visible);
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void stat_remove_counter(uint64_t *counter);
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#define stat_inc_counter(counter, value) { \
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if (counter) { \
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*(counter) += (value); \
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} \
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}
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#else
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#define stat_add_node(p, n, v) INVALID_STAT_REF
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#define stat_remove_node(n)
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#define stat_add_counter(p, n, v) NULL
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#define stat_remove_counter(c)
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#define stat_inc_counter(c, v)
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#endif /* RED_STATISTICS */
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typedef unsigned long stat_time_t;
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static inline stat_time_t stat_now(clockid_t clock_id)
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{
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struct timespec ts;
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clock_gettime(clock_id, &ts);
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return ts.tv_nsec + ts.tv_sec * 1000 * 1000 * 1000;
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}
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static inline double stat_cpu_time_to_sec(stat_time_t time)
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{
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return (double)time / (1000 * 1000 * 1000);
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}
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typedef struct stat_info_s {
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const char *name;
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clockid_t clock;
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uint32_t count;
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stat_time_t max;
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stat_time_t min;
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stat_time_t total;
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#ifdef COMPRESS_STAT
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uint64_t orig_size;
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uint64_t comp_size;
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#endif
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} stat_info_t;
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static inline void stat_reset(stat_info_t *info)
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{
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info->count = info->max = info->total = 0;
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info->min = ~(stat_time_t)0;
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#ifdef COMPRESS_STAT
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info->orig_size = info->comp_size = 0;
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#endif
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}
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#ifdef COMPRESS_STAT
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static inline void stat_compress_init(stat_info_t *info, const char *name)
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{
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info->name = name;
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stat_reset(info);
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}
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static inline void stat_compress_add(stat_info_t *info,
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stat_time_t start, int orig_size,
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int comp_size)
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{
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stat_time_t time;
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++info->count;
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time = stat_now(info->clock) - start;
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info->total += time;
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info->max = MAX(info->max, time);
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info->min = MIN(info->min, time);
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info->orig_size += orig_size;
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info->comp_size += comp_size;
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}
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static inline double stat_byte_to_mega(uint64_t size)
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{
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return (double)size / (1000 * 1000);
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}
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#else
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#define stat_compress_init(a, b)
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#define stat_compress_add(a, b, c, d)
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#endif
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#ifdef RED_WORKER_STAT
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static inline void stat_init(stat_info_t *info, const char *name, clockid_t clock)
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{
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info->name = name;
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info->clock = clock;
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stat_reset(info);
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}
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static inline void stat_add(stat_info_t *info, stat_time_t start)
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{
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stat_time_t time;
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++info->count;
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time = stat_now(info->clock) - start;
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info->total += time;
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info->max = MAX(info->max, time);
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info->min = MIN(info->min, time);
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}
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#else
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#define stat_add(a, b)
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#define stat_init(a, b, c)
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#endif /* RED_WORKER_STAT */
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#endif /* _H_STAT */
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