svn commit: r214261 - head/tools/tools/syscall_timing
Alexander Best
arundel at freebsd.org
Sun Oct 24 13:20:17 UTC 2010
On Sun Oct 24 10, Robert Watson wrote:
> Author: rwatson
> Date: Sun Oct 24 09:14:21 2010
> New Revision: 214261
> URL: http://svn.freebsd.org/changeset/base/214261
>
> Log:
> Add microbenchmark for create/unlink of a zero-byte file.
clang still complaining:
syscall_timing.c:766:24: warning: conversion specifies type 'int' but the argument has type 'uintmax_t' (aka 'unsigned long') [-Wformat]
printf("%ju.%09ju\t%d\t", (uintmax_t)ts_end.tv_sec,
~^
%lu
1 warning generated.
cheers.
alex
>
> Sponsored by: Google, Inc.
> MFC after: 2 weeks
>
> Modified:
> head/tools/tools/syscall_timing/syscall_timing.c
>
> Modified: head/tools/tools/syscall_timing/syscall_timing.c
> ==============================================================================
> --- head/tools/tools/syscall_timing/syscall_timing.c Sun Oct 24 05:22:07 2010 (r214260)
> +++ head/tools/tools/syscall_timing/syscall_timing.c Sun Oct 24 09:14:21 2010 (r214261)
> @@ -260,6 +260,34 @@ test_socketpair_dgram(uintmax_t num, uin
> }
>
> uintmax_t
> +test_create_unlink(uintmax_t num, uintmax_t int_arg, const char *path)
> +{
> + uintmax_t i;
> + int fd;
> +
> + (void)unlink(path);
> + fd = open(path, O_RDWR | O_CREAT, 0600);
> + if (fd < 0)
> + err(-1, "test_create_unlink: create: %s", path);
> + close(fd);
> + if (unlink(path) < 0)
> + err(-1, "test_create_unlink: unlink: %s", path);
> + benchmark_start();
> + for (i = 0; i < num; i++) {
> + if (alarm_fired)
> + break;
> + fd = open(path, O_RDWR | O_CREAT, 0600);
> + if (fd < 0)
> + err(-1, "test_create_unlink: create: %s", path);
> + close(fd);
> + if (unlink(path) < 0)
> + err(-1, "test_create_unlink: unlink: %s", path);
> + }
> + benchmark_stop();
> + return (i);
> +}
> +
> +uintmax_t
> test_open_close(uintmax_t num, uintmax_t int_arg, const char *path)
> {
> uintmax_t i;
> @@ -292,7 +320,7 @@ test_read(uintmax_t num, uintmax_t int_a
>
> fd = open(path, O_RDONLY);
> if (fd < 0)
> - err(-1, "test_open_close: %s", path);
> + err(-1, "test_open_read: %s", path);
> (void)pread(fd, buf, int_arg, 0);
>
> benchmark_start();
> @@ -315,7 +343,7 @@ test_open_read_close(uintmax_t num, uint
>
> fd = open(path, O_RDONLY);
> if (fd < 0)
> - err(-1, "test_open_close: %s", path);
> + err(-1, "test_open_read_close: %s", path);
> (void)read(fd, buf, int_arg);
> close(fd);
>
> @@ -325,7 +353,7 @@ test_open_read_close(uintmax_t num, uint
> break;
> fd = open(path, O_RDONLY);
> if (fd < 0)
> - err(-1, "test_open_close: %s", path);
> + err(-1, "test_open_read_close: %s", path);
> (void)read(fd, buf, int_arg);
> close(fd);
> }
> @@ -587,6 +615,7 @@ static const struct test tests[] = {
> { "socketpair_dgram", test_socketpair_dgram },
> { "socket_tcp", test_socket_stream, .t_int = PF_INET },
> { "socket_udp", test_socket_dgram, .t_int = PF_INET },
> + { "create_unlink", test_create_unlink, .t_flags = FLAG_PATH },
> { "open_close", test_open_close, .t_flags = FLAG_PATH },
> { "open_read_close_1", test_open_read_close, .t_flags = FLAG_PATH,
> .t_int = 1 },
--
a13x
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