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[cmdline] Increase resolution of "time" command

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>
tags/v1.20.1
Michael Brown 12 years ago
parent
commit
ba480730dc
1 changed files with 6 additions and 3 deletions
  1. 6
    3
      src/hci/commands/time_cmd.c

+ 6
- 3
src/hci/commands/time_cmd.c View File

@@ -56,7 +56,8 @@ static struct command_descriptor time_cmd =
56 56
 static int time_exec ( int argc, char **argv ) {
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 	struct time_options opts;
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 	unsigned long start;
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-	int secs;
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+	unsigned long elapsed;
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+	int decisecs;
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 	int rc;
61 62
 
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 	/* Parse options */
@@ -65,9 +66,11 @@ static int time_exec ( int argc, char **argv ) {
65 66
 
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 	start = currticks();
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 	rc = execv ( argv[1], argv + 1 );
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-	secs = (currticks() - start) / ticks_per_sec();
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+	elapsed = ( currticks() - start );
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+	decisecs = ( 10 * elapsed / ticks_per_sec() );
69 71
 
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-	printf ( "%s: %ds\n", argv[0], secs );
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+	printf ( "%s: %d.%ds\n", argv[0],
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+		 ( decisecs / 10 ), ( decisecs % 10 ) );
71 74
 
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 	return rc;
73 76
 }

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