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Reduce code duplication by factoring out the delta_t() function.

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No functional changes.

MFC after:	1 month
This commit is contained in:
trasz 2016-09-21 18:07:25 +00:00
parent 589ec3ab2d
commit d535adf723
1 changed files with 15 additions and 11 deletions
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26
usr.sbin/diskinfo/diskinfo.c
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@ -237,14 +237,24 @@ T0(void)
gettimeofday(&tv1, NULL);
}
static void
TN(int count)
static double
delta_t(void)
{
double dt;
gettimeofday(&tv2, NULL);
dt = (tv2.tv_usec - tv1.tv_usec) / 1e6;
dt += (tv2.tv_sec - tv1.tv_sec);
return (dt);
}
static void
TN(int count)
{
double dt;
dt = delta_t();
printf("%5d iter in %10.6f sec = %8.3f msec\n",
count, dt, dt * 1000.0 / count);
}
@ -254,9 +264,7 @@ TR(double count)
{
double dt;
gettimeofday(&tv2, NULL);
dt = (tv2.tv_usec - tv1.tv_usec) / 1e6;
dt += (tv2.tv_sec - tv1.tv_sec);
dt = delta_t();
printf("%8.0f kbytes in %10.6f sec = %8.0f kbytes/sec\n",
count, dt, count / dt);
}
@ -390,9 +398,7 @@ commandtime(int fd, off_t mediasize, u_int sectorsize)
T0();
for (i = 0; i < 10; i++)
rdmega(fd);
gettimeofday(&tv2, NULL);
dtmega = (tv2.tv_usec - tv1.tv_usec) / 1e6;
dtmega += (tv2.tv_sec - tv1.tv_sec);
dtmega = delta_t();
printf("\ttime to read 10MB block %10.6f sec\t= %8.3f msec/sector\n",
dtmega, dtmega*100/2048);
@ -401,9 +407,7 @@ commandtime(int fd, off_t mediasize, u_int sectorsize)
T0();
for (i = 0; i < 20480; i++)
rdsect(fd, 0, sectorsize);
gettimeofday(&tv2, NULL);
dtsector = (tv2.tv_usec - tv1.tv_usec) / 1e6;
dtsector += (tv2.tv_sec - tv1.tv_sec);
dtsector = delta_t();
printf("\ttime to read 20480 sectors %10.6f sec\t= %8.3f msec/sector\n",
dtsector, dtsector*100/2048);