/usr/include/flint/profiler.h is in libflint-dev 2.4.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 | /*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright 2007 William Hart and David Harvey
******************************************************************************/
#ifndef FLINT_PROFILER_H
#define FLINT_PROFILER_H
#include "flint.h"
#undef ulong
#define ulong ulongxx /* interferes with system includes */
#include <time.h>
#include <sys/time.h>
#if defined (__WIN32) && !defined(__CYGWIN__)
#ifdef __cplusplus
void GetSystemTimeAsFileTime(FILETIME*);
static __inline__ int gettimeofday(struct timeval * p, void * tz)
{
union {
slong slong ns100;
FILETIME ft;
} now;
GetSystemTimeAsFileTime(&(now.ft));
p->tv_usec=(slong)((now.ns100 / WORD(10)L) % WORD(1000000)L );
p->tv_sec= (slong)((now.ns100-(WORD(116444736000000000)L))/WORD(10000000)L);
return 0;
}
#else
int gettimeofday(struct timeval * p, void * tz);
#endif
#else
#include <sys/resource.h>
#endif
#undef ulong
#define ulong mp_limb_t
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
ulong size;
ulong peak;
ulong hwm;
ulong rss;
} meminfo_t[1];
void get_memory_usage(meminfo_t meminfo);
typedef struct
{
slong cpu;
slong wall;
} timeit_t[1];
static __inline__
void timeit_start(timeit_t t)
{
struct timeval tv;
gettimeofday(&tv, 0);
t->wall = - tv.tv_sec * 1000 - tv.tv_usec / 1000;
t->cpu = - clock() * 1000 / CLOCKS_PER_SEC;
}
static __inline__
void timeit_stop(timeit_t t)
{
struct timeval tv;
gettimeofday(&tv, 0);
t->wall += tv.tv_sec * 1000 + tv.tv_usec / 1000;
t->cpu += clock() * 1000 / CLOCKS_PER_SEC;
}
/******************************************************************************
Timer based on the cycle counter
******************************************************************************/
#define FLINT_NUM_CLOCKS 20
#define FLINT_CLOCKSPEED 2400000000.0
extern double clock_last[FLINT_NUM_CLOCKS];
extern double clock_accum[FLINT_NUM_CLOCKS];
static __inline__
double get_cycle_counter()
{
unsigned int hi;
unsigned int lo;
__asm("rdtsc; movl %%edx,%0; movl %%eax,%1"
: "=r" (hi), "=r" (lo)
:
: "%edx", "%eax");
return (double) hi * (1 << 30) * 4 + lo;
}
#define FLINT_CLOCK_SCALE_FACTOR (1000000.0 / FLINT_CLOCKSPEED)
static __inline__
void init_clock(int n)
{
clock_accum[n] = 0.0;
}
static __inline__
void init_all_clocks()
{
int i;
for (i = 0; i < FLINT_NUM_CLOCKS; i++)
clock_accum[i] = 0.0;
}
static __inline__
double get_clock(int n)
{
return clock_accum[n] * FLINT_CLOCK_SCALE_FACTOR;
}
static __inline__
void start_clock(int n)
{
clock_last[n] = get_cycle_counter();
}
static __inline__
void stop_clock(int n)
{
double now = get_cycle_counter();
clock_accum[n] += (now - clock_last[n]);
}
/******************************************************************************
Framework for repeatedly sampling a single target
******************************************************************************/
static __inline__
void prof_start()
{
start_clock(0);
}
static __inline__
void prof_stop()
{
stop_clock(0);
}
typedef void (*profile_target_t)(void* arg, ulong count);
void prof_repeat(double* min, double* max, profile_target_t target, void* arg);
#define DURATION_THRESHOLD 5000.0
#define DURATION_TARGET 10000.0
/******************************************************************************
Simple timing macros
******************************************************************************/
#define TIMEIT_PRINT(__timer, __reps) \
flint_printf("cpu/wall(s): %g %g\n", \
__timer->cpu*0.001/__reps, __timer->wall*0.001 / __reps);
#define TIMEIT_REPEAT(__timer, __reps) \
do \
{ \
slong __timeit_k; \
__reps = 1; \
while (1) \
{ \
timeit_start(__timer); \
for (__timeit_k = 0; __timeit_k < __reps; __timeit_k++) \
{
#define TIMEIT_END_REPEAT(__timer, __reps) \
} \
timeit_stop(__timer); \
if (__timer->cpu >= 100) \
break; \
__reps *= 10; \
} \
} while (0);
#define TIMEIT_START \
do { \
timeit_t __timer; slong __reps; \
TIMEIT_REPEAT(__timer, __reps)
#define TIMEIT_STOP \
TIMEIT_END_REPEAT(__timer, __reps) \
TIMEIT_PRINT(__timer, __reps) \
} while (0);
#define TIMEIT_ONCE_START \
do \
{ \
timeit_t __timer; \
timeit_start(__timer); \
do { \
#define TIMEIT_ONCE_STOP \
} while (0); \
timeit_stop(__timer); \
TIMEIT_PRINT(__timer, 1) \
} while (0); \
#define SHOW_MEMORY_USAGE \
do { \
meminfo_t meminfo; \
get_memory_usage(meminfo); \
flint_printf("virt/peak/res/peak(MB): %.2f %.2f %.2f %.2f\n", \
meminfo->size / 1024.0, meminfo->peak / 1024.0, \
meminfo->rss / 1024.0, meminfo->hwm / 1024.0); \
} while (0);
#ifdef __cplusplus
}
#endif
#endif
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