source: benchmark/io/http/printer.cfa @ 1dbbef6

#include "printer.hfa"
#include "options.hfa"

#include <fstream.hfa>
#include <stats.hfa>

void ?{}( sendfile_stats_t & this ) {
        this.maxfd = 0;
        this.close = 0;
        this.calls = 0;
        this.tries = 0;
        this.header = 0;
        this.splcin = 0;
        this.splcot = 0;
        for(i; zipf_cnts) {
                this.avgrd[i].calls = 0;
                this.avgrd[i].bytes = 0;
        };
}

void push(sendfile_stats_t & from, sendfile_stats_t & to) {
        to.maxfd = max( to.maxfd, from.maxfd);
        to.close += from.close; from.close = 0;
        to.calls += from.calls; from.calls = 0;
        to.tries += from.tries; from.tries = 0;
        to.header += from.header; from.header = 0;
        to.splcin += from.splcin; from.splcin = 0;
        to.splcot += from.splcot; from.splcot = 0;
        for(i; zipf_cnts) {
                to.avgrd[i].calls += from.avgrd[i].calls; from.avgrd[i].calls = 0;
                to.avgrd[i].bytes += from.avgrd[i].bytes; from.avgrd[i].bytes = 0;
        };
}

void ?{}( acceptor_stats_t & this ) {
        this.creates = 0;
        this.accepts = 0;
        this.eagains = 0;
}

void push(acceptor_stats_t & from, acceptor_stats_t & to) {
        to.creates += from.creates; from.creates = 0;
        to.accepts += from.accepts; from.accepts = 0;
        to.eagains += from.eagains; from.eagains = 0;
}

void ?{}( StatsPrinter & this, ServerCluster * cl ) {
        ((thread&)this){ "Stats Printer Thread" };
        this.cl = cl;
        memset(&this.stats, 0, sizeof(this.stats));;
}

void ^?{}( StatsPrinter & mutex this ) {}

#define eng3(X) (ws(3, 3, unit(eng( X ))))

void main(StatsPrinter & this) {
        LOOP: for() {
                wait(this.var, 10`s);

                for(i; options.clopts.nclusters) print_stats_now( this.cl[i].self, CFA_STATS_READY_Q | CFA_STATS_IO );
                {
                        struct {
                                volatile uint64_t calls;
                                volatile uint64_t bytes;
                        } avgrd[zipf_cnts];
                        memset(avgrd, 0, sizeof(avgrd));

                        uint64_t tries = this.stats.send.tries;
                        uint64_t calls  = this.stats.send.calls;
                        uint64_t header = this.stats.send.header;
                        uint64_t splcin = this.stats.send.splcin;
                        uint64_t splcot = this.stats.send.splcot;
                        for(j; zipf_cnts) {
                                avgrd[j].calls += this.stats.send.avgrd[j].calls;
                                avgrd[j].bytes += this.stats.send.avgrd[j].bytes;
                        }

                        double ratio = ((double)tries) / calls;
                        uint64_t accp_open = this.stats.accpt.accepts;
                        uint64_t accp_clse = this.stats.send.close;
                        uint64_t accp_live = accp_open - accp_clse;

                        sout | "----- Acceptor Stats -----";
                        sout | "accepts : " | eng3(accp_open) |"opened," | eng3(accp_clse) |"closed," | eng3(accp_live) |"live";
                        sout | "accept  : " | eng3(this.stats.accpt.accepts) | "calls," | eng3(this.stats.accpt.eagains) | "eagains," | eng3(this.stats.accpt.creates) | " thrds";
                        sout | nl;

                        sout | "----- Connection Stats -----";
                        sout | "max fd    : " | this.stats.send.maxfd;
                        sout | "sendfile  : " | eng3(calls) | "calls," | eng3(tries) | "tries (" | ratio | " try/call)";
                        sout | "            " | eng3(header) | "header," | eng3(splcin) | "splice in," | eng3(splcot) | "splice out";
                        sout | " - zipf sizes:";
                        for(i; zipf_cnts) {
                                double written = avgrd[i].calls > 0 ? ((double)avgrd[i].bytes) / avgrd[i].calls : 0;
                                sout | "        " | zipf_sizes[i] | "bytes," | avgrd[i].calls | "shorts," | written | "written";
                        }
                }

                waitfor( ^?{} : this) {
                        break LOOP;
                }
                or else {}
        }
}

StatsPrinter * stats_thrd;