git: 70661eaafa06 - main - loader: Add a readtest command
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Thu, 16 Dec 2021 10:53:19 UTC
The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=70661eaafa069062317ae2c6012cc2bc303da0cc commit 70661eaafa069062317ae2c6012cc2bc303da0cc Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2021-12-09 13:54:58 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2021-12-16 10:50:31 +0000 loader: Add a readtest command readtest will simply load the file in memory, useful for timing loading on some filesystems. Reviewed by: tsoome MFC after: 2 weeks Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D33411 --- stand/common/commands.c | 31 +++++++++++++++++++++++++++++++ stand/libsa/tftp.c | 1 + 2 files changed, 32 insertions(+) diff --git a/stand/common/commands.c b/stand/common/commands.c index 9f7252014d87..0d21ed44c681 100644 --- a/stand/common/commands.c +++ b/stand/common/commands.c @@ -545,3 +545,34 @@ command_lsdev(int argc, char *argv[]) pager_close(); return (CMD_OK); } + +static int +command_readtest(int argc, char *argv[]) +{ + int fd; + time_t start, end; + char buf[512]; + ssize_t rv, count = 0; + + if (argc != 2) { + snprintf(command_errbuf, sizeof(command_errbuf), + "Usage: readtest <filename>"); + return (CMD_ERROR); + } + + start = getsecs(); + if ((fd = open(argv[1], O_RDONLY)) < 0) { + snprintf(command_errbuf, sizeof(command_errbuf), + "can't open '%s'", argv[1]); + return (CMD_ERROR); + } + while ((rv = read(fd, buf, sizeof(buf))) > 0) + count += rv; + end = getsecs(); + + printf("Received %zd bytes during %jd seconds\n", count, (intmax_t)end - start); + close(fd); + return (CMD_OK); +} + +COMMAND_SET(readtest, "readtest", "Time a file read", command_readtest); diff --git a/stand/libsa/tftp.c b/stand/libsa/tftp.c index 80156cf95ef0..78eedddcb1f6 100644 --- a/stand/libsa/tftp.c +++ b/stand/libsa/tftp.c @@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$"); #include <string.h> +#include <bootstrap.h> #include "stand.h" #include "net.h" #include "netif.h"