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Mon, 14 Jul 2025 16:40:08 GMT (envelope-from git) Date: Mon, 14 Jul 2025 16:40:08 GMT Message-Id: <202507141640.56EGe8pM050093@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mateusz Piotrowski <0mp@FreeBSD.org> Subject: git: 1fe7af063581 - main - dtrace.1: Document evaltime List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: 0mp X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 1fe7af0635810a96a292638d11d25ddbe95bd581 Auto-Submitted: auto-generated The branch main has been updated by 0mp: URL: https://cgit.FreeBSD.org/src/commit/?id=1fe7af0635810a96a292638d11d25ddbe95bd581 commit 1fe7af0635810a96a292638d11d25ddbe95bd581 Author: Mateusz Piotrowski <0mp@FreeBSD.org> AuthorDate: 2025-07-14 14:51:37 +0000 Commit: Mateusz Piotrowski <0mp@FreeBSD.org> CommitDate: 2025-07-14 16:38:19 +0000 dtrace.1: Document evaltime Reviewed by: christos, ziaee MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D51301 --- cddl/contrib/opensolaris/cmd/dtrace/dtrace.1 | 48 +++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1 b/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1 index bcd23c1789be..d44ee5023e78 100644 --- a/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1 +++ b/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1 @@ -20,7 +20,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 14, 2025 +.Dd July 14, 2025 .Dt DTRACE 1 .Os .Sh NAME @@ -617,6 +617,52 @@ Same as the flag. .It Sy dynvarsize Ns = Ns Ar size Size of the dynamic variable space. +.Sm off +.It Sy evaltime = Cm exec | preinit | postinit | main +.Sm on +Process create mode. +When using +.Fl c Ar cmd +to start a command, +.Nm +will first stop the newly started +.Ar cmd , +evaluate the +.Xr d 7 +program, +and then resume the +.Ar cmd . +The +.Cm evaltime +option controls the exact moment when this happens. +.Pp +The following table describes supported modes. +.Bl -column -offset indent "postinit" "D Program Evaluation Time" +.It Sy Mode Ta Sy D Program Evaluation Time +.It Cm exec Ta +Right at the first instruction of the command +.Ar cmd +execution. +.It Cm preinit Ta +Before +.Xr elf 5 Ap s +.Dq .init +sections. +.It Cm postinit Ta +After +.Xr elf 5 Ap s +.Dq .init +sections. +Default on +.Fx . +.It Cm main Ta +Before the first instruction of the +.Fn main +function. +.El +.Pp +Usually, there is no reason to change the default mode, +but it might be handy in situations such as shared library tracing. .It Sy flowindent Turn on flow indentation. Same as the