From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 17 Jul 2009 21:16:17 +0000 (+0200)
Subject: Add tera/peta suffixes
X-Git-Tag: fio-1.32~3^2~2
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=b09da8fa5be85634a3e8331d6e5ce07cd427a5a2;ds=sidebyside

Add tera/peta suffixes

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/HOWTO b/HOWTO
index 6cdd71d2..dc70ab66 100644
--- a/HOWTO
+++ b/HOWTO
@@ -197,21 +197,21 @@ Some parameters take an option of a given type, such as an integer or
 a string. The following types are used:
 
 str	String. This is a sequence of alpha characters.
-time	Integer with possible time postfix. In seconds unless otherwise
+time	Integer with possible time suffix. In seconds unless otherwise
 	specified, use eg 10m for 10 minutes. Accepts s/m/h for seconds,
 	minutes, and hours.
-int	SI integer. A whole number value, which may contain a postfix
-	describing the base of the number. Accepted postfixes are k/m/g,
-	meaning kilo, mega, and giga. So if you want to specify 4096,
-	you could either write out '4096' or just give 4k. The postfixes
-	signify base 2 values, so 1024 is 1k and 1024k is 1m and so on.
-	If the option accepts an upper and lower range, use a colon ':'
-	or minus '-' to separate such values. May also include a prefix
-	to indicate numbers base. If 0x is used, the number is assumed to
-	be hexadecimal. See irange.
+int	SI integer. A whole number value, which may contain a suffix
+	describing the base of the number. Accepted suffixes are k/m/g/t/p,
+	meaning kilo, mega, giga, tera, and peta. The suffix is not case
+	sensitive. So if you want to specify 4096, you could either write
+	out '4096' or just give 4k. The suffixes signify base 2 values, so
+	1024 is 1k and 1024k is 1m and so on. If the option accepts an upper
+	and lower range, use a colon ':' or minus '-' to separate such values.
+	May also include a prefix to indicate numbers base. If 0x is used,
+	the number is assumed to be hexadecimal. See irange.
 bool	Boolean. Usually parsed as an integer, however only defined for
 	true and false (1 and 0).
-irange	Integer range with postfix. Allows value range to be given, such
+irange	Integer range with suffix. Allows value range to be given, such
 	as 1024-4096. A colon may also be used as the separator, eg
 	1k:4k. If the option allows two sets of ranges, they can be
 	specified with a ',' or '/' delimiter: 1k-4k/8k-32k. Also see
@@ -600,7 +600,7 @@ thinktime_blocks
 		after every block.
 
 rate=int	Cap the bandwidth used by this job. The number is in bytes/sec,
-		the normal postfix rules apply. You can use rate=500k to limit
+		the normal suffix rules apply. You can use rate=500k to limit
 		reads and writes to 500k each, or you can specify read and
 		writes separately. Using rate=1m,500k would limit reads to
 		1MB/sec and writes to 500KB/sec. Capping only reads or
diff --git a/fio.1 b/fio.1
index 497db539..b3925b5f 100644
--- a/fio.1
+++ b/fio.1
@@ -78,9 +78,10 @@ String: a sequence of alphanumeric characters.
 .TP
 .I int
 SI integer: a whole number, possibly containing a suffix denoting the base unit
-of the value.  Accepted suffixes are `k', 'M' and 'G', denoting kilo (1024),
-mega (1024*1024) and giga (1024*1024*1024) respectively. If prefixed with '0x',
-the value is assumed to be base 16 (hexadecimal).
+of the value.  Accepted suffixes are `k', 'M', 'G', 'T', and 'P', denoting
+kilo (1024), mega (1024^2), giga (1024^3), tera (1024^4), and peta (1024^5)
+respectively. The suffix is not case sensitive. If prefixed with '0x', the
+value is assumed to be base 16 (hexadecimal).
 .TP
 .I bool
 Boolean: a true or false value. `0' denotes false, `1' denotes true.
diff --git a/parse.c b/parse.c
index 29f444b4..2a49b63c 100644
--- a/parse.c
+++ b/parse.c
@@ -112,7 +112,7 @@ static unsigned long get_mult_time(char c)
 	}
 }
 
-static unsigned long get_mult_bytes(char c)
+static unsigned long long get_mult_bytes(char c)
 {
 	switch (c) {
 	case 'k':
@@ -124,9 +124,12 @@ static unsigned long get_mult_bytes(char c)
 	case 'g':
 	case 'G':
 		return 1024 * 1024 * 1024;
-	case 'e':
-	case 'E':
+	case 't':
+	case 'T':
 		return 1024 * 1024 * 1024 * 1024UL;
+	case 'p':
+	case 'P':
+		return 1024 * 1024 * 1024 * 1024ULL * 1024ULL;
 	default:
 		return 1;
 	}