Data Structures | Macros | Functions | Variables
perf.c File Reference

This program estimates DNS name server performance. More...

#include "config.h"
#include <signal.h>
#include "util/log.h"
#include "util/locks.h"
#include "util/net_help.h"
#include "util/data/msgencode.h"
#include "util/data/msgreply.h"
#include "util/data/msgparse.h"
#include "sldns/sbuffer.h"
#include "sldns/wire2str.h"
#include "sldns/str2wire.h"
#include <sys/time.h>

Data Structures

struct  perfinfo
 Global info for perf. More...
 
struct  perfio
 I/O port for perf. More...
 

Macros

#define START_IO_INTERVAL   10
 number of msec between starting io ports
 
#define IO_TIMEOUT   10
 number of msec timeout on io ports
 

Functions

static void usage (char *nm)
 usage information for perf
 
static RETSIGTYPE perf_sigh (int sig)
 signal handler for user quit
 
static int perf_tv_smaller (struct timeval *t1, struct timeval *t2)
 timeval compare, t1 < t2
 
static void perf_tv_add (struct timeval *t1, struct timeval *t2)
 timeval add, t1 += t2
 
static void perf_tv_subtract (struct timeval *t1, struct timeval *t2)
 timeval subtract, t1 -= t2
 
static void perfsetup (struct perfinfo *info)
 setup perf test environment
 
static void perffree (struct perfinfo *info)
 cleanup perf test environment
 
static void perfsend (struct perfinfo *info, size_t n, struct timeval *now)
 send new query for io
 
static void perfreply (struct perfinfo *info, size_t n, struct timeval *now)
 got reply for io
 
static void perftimeout (struct perfinfo *info, size_t n, struct timeval *now)
 got timeout for io
 
static void stat_printout (struct perfinfo *info, struct timeval *now, struct timeval *elapsed)
 print nice stats about qps
 
static void perfselect (struct perfinfo *info)
 wait for new events for performance test
 
static void perfendstats (struct perfinfo *info)
 show end stats
 
static void perfmain (struct perfinfo *info)
 perform the performance test
 
static int qlist_parse_line (sldns_buffer *buf, char *p)
 parse a query line to a packet into buffer
 
static void qlist_grow_capacity (struct perfinfo *info)
 grow query list capacity
 
static void qlist_add_line (struct perfinfo *info, char *line, int no)
 setup query list in info
 
static void qlist_read_file (struct perfinfo *info, char *fname)
 setup query list in info
 
int main (int argc, char *argv[])
 main program for perf
 

Variables

static struct perfinfosig_info
 signal handler global info
 
int optind
 getopt global, in case header files fail to declare it. More...
 
char * optarg
 getopt global, in case header files fail to declare it. More...
 

Detailed Description

This program estimates DNS name server performance.

Variable Documentation

◆ optind

int optind

getopt global, in case header files fail to declare it.

Referenced by qlist_read_file().

◆ optarg

char* optarg

getopt global, in case header files fail to declare it.

Referenced by qlist_read_file().