X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=doc%2Fman%2Flttng-enable-event.1.txt;h=18df67d465acd9fafe5faff4763e107f9ee134f6;hb=508a802cc4850531d02cb097bb4ed2379a66052c;hp=eec5a0dc8f322a2fae1cec348d739eabaa169e2c;hpb=c827506eb07ba1986ce3d673ed8d08f6543d9460;p=lttng-tools.git diff --git a/doc/man/lttng-enable-event.1.txt b/doc/man/lttng-enable-event.1.txt index eec5a0dc8..18df67d46 100644 --- a/doc/man/lttng-enable-event.1.txt +++ b/doc/man/lttng-enable-event.1.txt @@ -1,5 +1,6 @@ lttng-enable-event(1) ===================== +:revdate: 4 April 2019 NAME @@ -410,10 +411,10 @@ Dynamic user space probes ~~~~~~~~~~~~~~~~~~~~~~~~~ With the option:--userspace-probe option, you can instrument function entries of any user space binary (application or library) using either -an available symbol name or a SystemTap Statically Defined Tracepoint -(SDT, a DTrace-style marker) probe's provider and probe names. As of -this version, only SDT probes that are :not: surrounded by a reference -counter (semaphore) are supported. +an available symbol name or a SystemTap User-level Statically Defined +Tracing (USDT, a DTrace-style marker) probe's provider and probe names. +As of this version, only USDT probes that are :not: surrounded by a +reference counter (semaphore) are supported. The option:--userspace-probe option must be specified with the option:--kernel option because it uses Linux's uprobe feature to @@ -519,7 +520,7 @@ Examples: * `--userspace-probe=httpd:ap_run_open_htaccess` ++sdt:++__PATH__++:++__PROVIDER__++:++__NAME__:: - Dynamically instrument an SDT probe within a user space application + Dynamically instrument a USDT probe within a user space application or library. + -- @@ -534,9 +535,9 @@ This can be: `PATH` environment variable. __PROVIDER__++:++__NAME__:: - SDT provider and probe names. + USDT provider and probe names. + -For example, with the following SDT probe: +For example, with the following USDT probe: + [source,c] ----