From ad0f2aa843232649166e0252e28b96c1736c5082 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Wed, 2 Nov 2011 12:48:18 +0100 Subject: Add lseek/mach testcases --- open_issues/performance/io_system/test-lseek.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 open_issues/performance/io_system/test-lseek.c (limited to 'open_issues/performance/io_system/test-lseek.c') diff --git a/open_issues/performance/io_system/test-lseek.c b/open_issues/performance/io_system/test-lseek.c new file mode 100644 index 00000000..691e9d07 --- /dev/null +++ b/open_issues/performance/io_system/test-lseek.c @@ -0,0 +1,16 @@ +#include +#include +#include +#include +#include +int main(void) { + int fd = open("test.c", O_RDONLY); + struct timeval tv1, tv2; + int i; + gettimeofday(&tv1, NULL); + for (i = 0; i < 100000; i++) + lseek(fd, 0, SEEK_CUR); + gettimeofday(&tv2, NULL); + printf("%07lu\n", (tv2.tv_sec-tv1.tv_sec) * 1000000 + tv2.tv_usec - tv1.tv_usec); + return 0; +} -- cgit v1.2.3