git: 0078d54c0985 - stable/13 - loader: Add a readtest command
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Date: Thu, 13 Jan 2022 09:49:01 UTC
The branch stable/13 has been updated by manu:
URL: https://cgit.FreeBSD.org/src/commit/?id=0078d54c0985a41ef172022bb9880cf751982f8b
commit 0078d54c0985a41ef172022bb9880cf751982f8b
Author: Emmanuel Vadot <manu@FreeBSD.org>
AuthorDate: 2021-12-09 13:54:58 +0000
Commit: Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2022-01-13 07:55:42 +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
(cherry picked from commit 70661eaafa069062317ae2c6012cc2bc303da0cc)
---
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 6cfa670b6e22..37f8b64f99aa 100644
--- a/stand/libsa/tftp.c
+++ b/stand/libsa/tftp.c
@@ -54,6 +54,7 @@ __FBSDID("$FreeBSD$");
#include <string.h>
+#include <bootstrap.h>
#include "stand.h"
#include "net.h"
#include "netif.h"