From a9deca906f0ce7a8ecf390284d0d56b5ad104fbb Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Wed, 19 Sep 2012 10:25:27 -0400 Subject: [PATCH] Manpage update: document use in daemons Signed-off-by: Mathieu Desnoyers --- doc/man/lttng-ust.3 | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/man/lttng-ust.3 b/doc/man/lttng-ust.3 index 081f0a73..88025c0e 100644 --- a/doc/man/lttng-ust.3 +++ b/doc/man/lttng-ust.3 @@ -293,6 +293,17 @@ carefully: .fi +.SH "USING LTTNG UST WITH DAEMONS" + +.nf +Some extra care is needed when using liblttng-ust with daemon +applications that call fork(), clone(), or BSD rfork() without a +following exec() family system call. The library "liblttng-ust-fork.so" +needs to be preloaded for the application (launch with e.g. +LD_PRELOAD=liblttng-ust-fork.so appname). + +.fi + .SH "ENVIRONMENT VARIABLES" .PP -- 2.34.1