@@ -20,9 +20,9 @@ STEXI
ETEXI
DEF("bench", img_bench,
- "bench [-c count] [-d depth] [-f fmt] [--flush-interval=flush_interval] [-n] [--no-drain] [-o offset] [--pattern=pattern] [-q] [-s buffer_size] [-S step_size] [-t cache] [-w] [-U] filename")
+ "bench [-c count] [-d depth] [-f fmt] [--flush-interval=flush_interval] [-n] [--no-drain] [-o offset] [--pattern=pattern] [-q] [-s buffer_size] [-S step_size] [-t cache] [-i aio] [-w] [-U] filename")
STEXI
-@item bench [-c @var{count}] [-d @var{depth}] [-f @var{fmt}] [--flush-interval=@var{flush_interval}] [-n] [--no-drain] [-o @var{offset}] [--pattern=@var{pattern}] [-q] [-s @var{buffer_size}] [-S @var{step_size}] [-t @var{cache}] [-w] [-U] @var{filename}
+@item bench [-c @var{count}] [-d @var{depth}] [-f @var{fmt}] [--flush-interval=@var{flush_interval}] [-n] [--no-drain] [-o @var{offset}] [--pattern=@var{pattern}] [-q] [-s @var{buffer_size}] [-S @var{step_size}] [-t @var{cache}] [-i @var{aio}] [-w] [-U] @var{filename}
ETEXI
DEF("check", img_check,
@@ -4192,7 +4192,8 @@ static int img_bench(int argc, char **argv)
{"force-share", no_argument, 0, 'U'},
{0, 0, 0, 0}
};
- c = getopt_long(argc, argv, ":hc:d:f:no:qs:S:t:wU", long_options, NULL);
+ c = getopt_long(argc, argv, ":hc:d:f:ni:o:qs:S:t:wU", long_options,
+ NULL);
if (c == -1) {
break;
}
@@ -4235,6 +4236,14 @@ static int img_bench(int argc, char **argv)
case 'n':
flags |= BDRV_O_NATIVE_AIO;
break;
+ case 'i':
+ ret = bdrv_parse_aio(optarg, &flags);
+ if (ret < 0) {
+ error_report("Invalid aio option: %s", optarg);
+ ret = -1;
+ goto out;
+ }
+ break;
case 'o':
{
offset = cvtnum(optarg);
@@ -206,7 +206,7 @@ Command description:
Amends the image format specific @var{options} for the image file
@var{filename}. Not all file formats support this operation.
-@item bench [-c @var{count}] [-d @var{depth}] [-f @var{fmt}] [--flush-interval=@var{flush_interval}] [-n] [--no-drain] [-o @var{offset}] [--pattern=@var{pattern}] [-q] [-s @var{buffer_size}] [-S @var{step_size}] [-t @var{cache}] [-w] [-U] @var{filename}
+@item bench [-c @var{count}] [-d @var{depth}] [-f @var{fmt}] [--flush-interval=@var{flush_interval}] [-n] [-i @var{aio}][--no-drain] [-o @var{offset}] [--pattern=@var{pattern}] [-q] [-s @var{buffer_size}] [-S @var{step_size}] [-t @var{cache}] [-w] [-U] @var{filename}
Run a simple sequential I/O benchmark on the specified image. If @code{-w} is
specified, a write test is performed, otherwise a read test is performed.
@@ -227,6 +227,9 @@ If @code{-n} is specified, the native AIO backend is used if possible. On
Linux, this option only works if @code{-t none} or @code{-t directsync} is
specified as well.
+If @code{-i} is specified, aio option can be used to specify different AIO
+backends: @var{threads}, @var{native} or @var{io_uring}.
+
For write tests, by default a buffer filled with zeros is written. This can be
overridden with a pattern byte specified by @var{pattern}.
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com> --- qemu-img-cmds.hx | 4 ++-- qemu-img.c | 11 ++++++++++- qemu-img.texi | 5 ++++- 3 files changed, 16 insertions(+), 4 deletions(-)