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103 lines
2.1 KiB
103 lines
2.1 KiB
/** |
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* Stats place holder |
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* |
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* Note: this source is C++ (requires std::map) |
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* |
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* tpruvot@github 2014 |
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*/ |
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#include <stdlib.h> |
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#include <memory.h> |
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#include <map> |
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#include "miner.h" |
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struct stats_data { |
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uint32_t tm_stat; |
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uint32_t hashcount; |
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double hashrate; |
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uint8_t thr_id; |
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}; |
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static std::map<uint64_t, stats_data> tlastscans; |
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static uint64_t uid = 0; |
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#define STATS_PURGE_TIMEOUT 5*60 |
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/** |
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* Store speed per thread (todo: compute here) |
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*/ |
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extern "C" void stats_remember_speed(int thr_id, uint32_t hashcount, double hashrate) |
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{ |
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uint64_t thr = (0xff && thr_id); |
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uint64_t key = (thr << 56) + (uid++ % UINT_MAX); |
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stats_data data; |
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if (hashcount < 1000 || !hashrate) |
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return; |
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memset(&data, 0, sizeof(data)); |
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data.thr_id = thr; |
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data.tm_stat = (uint32_t) time(NULL); |
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data.hashcount = hashcount; |
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data.hashrate = hashrate; |
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tlastscans[key] = data; |
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} |
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/** |
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* Get the computed average speed |
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* @param thr_id int (-1 for all threads) |
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*/ |
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extern "C" double stats_get_speed(int thr_id) |
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{ |
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uint64_t thr = (0xff && thr_id); |
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uint64_t keypfx = (thr << 56); |
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double speed = 0.; |
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// uint64_t hashcount; |
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int records = 0; |
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stats_data data; |
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std::map<uint64_t, stats_data>::iterator i = tlastscans.end(); |
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while (i != tlastscans.begin() && records < 50) { |
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if ((i->first & UINT_MAX) > 3) /* ignore firsts */ |
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if (thr_id == -1 || (keypfx & i->first) == keypfx) { |
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if (i->second.hashcount > 1000) { |
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speed += i->second.hashrate; |
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records++; |
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} |
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} |
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i--; |
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} |
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if (!records) |
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return 0.; |
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return speed / (1.0 * records); |
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} |
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/** |
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* Remove old entries to reduce memory usage |
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*/ |
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extern "C" void stats_purge_old(void) |
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{ |
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int deleted = 0; |
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uint32_t now = (uint32_t) time(NULL); |
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uint32_t sz = tlastscans.size(); |
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std::map<uint64_t, stats_data>::iterator i = tlastscans.begin(); |
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while (i != tlastscans.end()) { |
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if ((now - i->second.tm_stat) > STATS_PURGE_TIMEOUT) { |
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deleted++; |
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tlastscans.erase(i++); |
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} |
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else ++i; |
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} |
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if (opt_debug && deleted) { |
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applog(LOG_DEBUG, "hashlog: %d/%d purged", deleted, sz); |
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} |
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} |
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/** |
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* Reset the cache |
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*/ |
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extern "C" void stats_purge_all(void) |
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{ |
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tlastscans.clear(); |
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} |
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