mirror of https://github.com/GOSTSec/ccminer
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
2.7 KiB
125 lines
2.7 KiB
/** |
|
* Stats place holder |
|
* |
|
* Note: this source is C++ (requires std::map) |
|
* |
|
* tpruvot@github 2014 |
|
*/ |
|
#include <stdlib.h> |
|
#include <memory.h> |
|
#include <map> |
|
|
|
#include "miner.h" |
|
|
|
struct stats_data { |
|
uint32_t tm_stat; |
|
uint32_t hashcount; |
|
double hashrate; |
|
uint8_t thr_id; |
|
uint8_t gpu_id; |
|
uint8_t ignored; |
|
uint8_t align; /* to keep size a multiple of 4 */ |
|
}; |
|
|
|
static std::map<uint64_t, stats_data> tlastscans; |
|
static uint64_t uid = 0; |
|
|
|
#define STATS_AVG_SAMPLES 20 |
|
#define STATS_PURGE_TIMEOUT 180*60 /* 180 mn */ |
|
|
|
extern uint64_t global_hashrate; |
|
extern int opt_n_threads; |
|
extern int opt_statsavg; |
|
extern int device_map[8]; |
|
|
|
/** |
|
* Store speed per thread (todo: compute vardiff ?) |
|
*/ |
|
extern "C" void stats_remember_speed(int thr_id, uint32_t hashcount, double hashrate) |
|
{ |
|
uint64_t thr = (0xff && thr_id); |
|
uint64_t key = (thr << 56) + (uid++ % UINT_MAX); |
|
stats_data data; |
|
|
|
// to enough hashes to give right stats |
|
if (hashcount < 1000 || hashrate < 0.01) |
|
return; |
|
|
|
// first hash rates are often erroneous |
|
if (uid < opt_n_threads * 2) |
|
return; |
|
|
|
memset(&data, 0, sizeof(data)); |
|
data.thr_id = (uint8_t) thr; |
|
data.tm_stat = (uint32_t) time(NULL); |
|
data.hashcount = hashcount; |
|
data.hashrate = hashrate; |
|
data.gpu_id = device_map[thr_id]; |
|
if (global_hashrate && uid > 10) { |
|
// prevent stats on too high vardiff (erroneous rates) |
|
double ratio = (hashrate / (1.0 * global_hashrate)); |
|
if (ratio < 0.4 || ratio > 1.6) |
|
data.ignored = 1; |
|
} |
|
tlastscans[key] = data; |
|
} |
|
|
|
/** |
|
* Get the computed average speed |
|
* @param thr_id int (-1 for all threads) |
|
*/ |
|
extern "C" double stats_get_speed(int thr_id) |
|
{ |
|
uint64_t thr = (0xff && thr_id); |
|
uint64_t keypfx = (thr << 56); |
|
double speed = 0.0; |
|
int records = 0; |
|
|
|
std::map<uint64_t, stats_data>::reverse_iterator i = tlastscans.rbegin(); |
|
while (i != tlastscans.rend() && records < opt_statsavg) { |
|
if (!i->second.ignored) |
|
if (thr_id == -1 || (keypfx & i->first) == keypfx) { |
|
if (i->second.hashcount > 1000) { |
|
speed += i->second.hashrate; |
|
records++; |
|
} |
|
} |
|
++i; |
|
} |
|
if (records) |
|
speed /= (double)(records); |
|
if (thr_id == -1) |
|
speed *= (double)(opt_n_threads); |
|
|
|
return speed; |
|
} |
|
|
|
/** |
|
* Remove old entries to reduce memory usage |
|
*/ |
|
extern "C" void stats_purge_old(void) |
|
{ |
|
int deleted = 0; |
|
uint32_t now = (uint32_t) time(NULL); |
|
uint32_t sz = tlastscans.size(); |
|
std::map<uint64_t, stats_data>::iterator i = tlastscans.begin(); |
|
while (i != tlastscans.end()) { |
|
if (i->second.ignored || (now - i->second.tm_stat) > STATS_PURGE_TIMEOUT) { |
|
deleted++; |
|
tlastscans.erase(i++); |
|
} |
|
else ++i; |
|
} |
|
if (opt_debug && deleted) { |
|
applog(LOG_DEBUG, "stats: %d/%d records purged", deleted, sz); |
|
} |
|
} |
|
|
|
/** |
|
* Reset the cache |
|
*/ |
|
extern "C" void stats_purge_all(void) |
|
{ |
|
tlastscans.clear(); |
|
} |
|
|
|
|