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D31929.diff
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diff --git a/usr.sbin/Makefile b/usr.sbin/Makefile
--- a/usr.sbin/Makefile
+++ b/usr.sbin/Makefile
@@ -6,6 +6,7 @@
SUBDIR= adduser \
arp \
binmiscctl \
+ boottrace \
camdd \
cdcontrol \
chkgrp \
diff --git a/usr.sbin/boottrace/Makefile b/usr.sbin/boottrace/Makefile
new file mode 100644
--- /dev/null
+++ b/usr.sbin/boottrace/Makefile
@@ -0,0 +1,4 @@
+PROG= boottrace
+MAN= boottrace.8
+
+.include <bsd.prog.mk>
diff --git a/usr.sbin/boottrace/boottrace.8 b/usr.sbin/boottrace/boottrace.8
new file mode 100644
--- /dev/null
+++ b/usr.sbin/boottrace/boottrace.8
@@ -0,0 +1,85 @@
+.\" SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+.\"
+.\" Copyright (c) 2022 NetApp, Inc.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.Dd February 18, 2022
+.Dt BOOTTRACE 8
+.Os
+.Sh NAME
+.Nm boottrace
+.Nd trace command execution with
+.Xr boottrace 4
+.Sh SYNOPSIS
+.Nm
+.Ar utility Op Ar argument ...
+.Sh DESCRIPTION
+The
+.Nm
+utility
+executes the specified
+.Ar utility ,
+creating two
+.Xr boottrace 4
+trace entries before and after its execution.
+.Sh ENVIRONMENT
+The
+.Ev PATH
+environment variable is used to locate the requested
+.Ar utility
+if the name contains no
+.Ql /
+characters.
+.Sh EXIT STATUS
+If
+.Ar utility
+was executed successfully, its exit status is returned.
+.Pp
+If
+.Ar utility
+was found but could not be executed, an exit status of 126 is returned.
+If
+.Ar utility
+could not be found, an exit status of 127 is returned.
+.Sh EXAMPLES
+Execute the
+.Xr dumpon 8
+utility, logging the trace entries:
+.Bd -literal -offset indent
+$ boottrace dumpon -z /dev/gpt/swap0
+.Ed
+.Pp
+This will appear in the output of the
+.Va kern.boottrace.log
+.Xr sysctl 8
+node:
+.Bd -literal
+CPU msecs delta process event PID CPUtime IBlks OBlks
+ 0 63918567 0 kernel sysinit 0x2100001 0 0.00 0 0
+[...]
+ 0 64076940 120605 boottrace dumpon start 1602 0.00 0 0
+ 0 64076942 2 boottrace dumpon done 1602 0.00 0 0
+.Ed
+.Sh SEE ALSO
+.Xr boottrace 4 ,
+.Xr rc.subr 8
diff --git a/usr.sbin/boottrace/boottrace.c b/usr.sbin/boottrace/boottrace.c
new file mode 100644
--- /dev/null
+++ b/usr.sbin/boottrace/boottrace.c
@@ -0,0 +1,71 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2022 NetApp, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/boottrace.h>
+#include <sys/sysctl.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage: boottrace utility [argument ...]\n");
+ exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+ pid_t pid;
+ int status;
+
+ if (argc < 2)
+ usage();
+ argv++;
+
+ BOOTTRACE("%s start", *argv);
+ pid = fork();
+ if (pid == -1) {
+ exit(1);
+ } else if (pid == 0) {
+ execvp(*argv, argv);
+ err(errno == ENOENT ? 127 : 126, "execvp %s", *argv);
+ }
+ waitpid(pid, &status, 0);
+ if (!WIFEXITED(status))
+ warnx("command terminated abnormally");
+ BOOTTRACE("%s done", *argv);
+
+ return (WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE);
+}
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