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[cmdline] Increase resolution of "time" command

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A reasonably large (512MB) file transferred via HTTP over Gigabit
Ethernet should complete in around 4.6 seconds.  Increase the
resolution of the "time" command to tenths of a second, to allow such
transfers to be meaningfully measured.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2012-06-26 12:42:06 +01:00
parent cc3e9f068b
commit ba480730dc
1 changed files with 6 additions and 3 deletions
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9
src/hci/commands/time_cmd.c
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@@ -56,7 +56,8 @@ static struct command_descriptor time_cmd =
static int time_exec ( int argc, char **argv ) { static int time_exec ( int argc, char **argv ) {
struct time_options opts; struct time_options opts;
unsigned long start; unsigned long start;
int secs; unsigned long elapsed;
int decisecs;
int rc; int rc;
/* Parse options */ /* Parse options */
@@ -65,9 +66,11 @@ static int time_exec ( int argc, char **argv ) {
start = currticks(); start = currticks();
rc = execv ( argv[1], argv + 1 ); rc = execv ( argv[1], argv + 1 );
secs = (currticks() - start) / ticks_per_sec(); elapsed = ( currticks() - start );
decisecs = ( 10 * elapsed / ticks_per_sec() );
printf ( "%s: %ds\n", argv[0], secs ); printf ( "%s: %d.%ds\n", argv[0],
( decisecs / 10 ), ( decisecs % 10 ) );
return rc; return rc;
} }