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| author | Emmanuel Vadot <manu@FreeBSD.org> | 2021-12-09 13:54:58 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2021-12-16 10:50:31 +0000 |
| commit | 70661eaafa069062317ae2c6012cc2bc303da0cc (patch) | |
| tree | 94b8b05a0603e9e245b88998f70e4d916e940ec8 | |
| parent | bf07f2f8623d5e29e814b9dc49a0cdff920778c3 (diff) | |
| download | src-70661eaafa069062317ae2c6012cc2bc303da0cc.tar.gz src-70661eaafa069062317ae2c6012cc2bc303da0cc.zip | |
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
| -rw-r--r-- | stand/common/commands.c | 31 | ||||
| -rw-r--r-- | stand/libsa/tftp.c | 1 |
2 files changed, 32 insertions, 0 deletions
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" |