diff options
| author | fche <fche> | 2008-02-19 02:48:02 +0000 |
|---|---|---|
| committer | fche <fche> | 2008-02-19 02:48:02 +0000 |
| commit | 1ada6f08ba42f3c1a2f7986f1ad955fd79e06e41 (patch) | |
| tree | 4bb6811a833d9cff1a7f6167f5c7929d4c467e4c /stapprobes.5.in | |
| parent | cc8090b7e5b9c12616ec5f75195488b9a2737f80 (diff) | |
| download | systemtap-steved-1ada6f08ba42f3c1a2f7986f1ad955fd79e06e41.tar.gz systemtap-steved-1ada6f08ba42f3c1a2f7986f1ad955fd79e06e41.tar.xz systemtap-steved-1ada6f08ba42f3c1a2f7986f1ad955fd79e06e41.zip | |
2008-02-18 Frank Ch. Eigler <fche@elastic.org>
* NEWS, stapprobes.5.in: Document basic (non-symbolic prototype)
user-space probe points.
Diffstat (limited to 'stapprobes.5.in')
| -rw-r--r-- | stapprobes.5.in | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/stapprobes.5.in b/stapprobes.5.in index 276358a0..642ed739 100644 --- a/stapprobes.5.in +++ b/stapprobes.5.in @@ -283,6 +283,20 @@ $var[N] indexes into an array. The index is given with a literal number. +.SS USER-SPACE +Early prototype support for user-space probing is available in the +form of a non-symbolic probe point: +.SAMPLE +process(PID).statement(ADDRESS).absolute +.ESAMPLE +is analogous to +.IR +kernel.statement(ADDRESS).absolute +in that both use raw (unverified) virtual addresses and provide +no $variables. The target PID parameter must identify a running +process, and ADDRESS should identify a valid instruction address. +All threads of that process will be probed. + .SS PROCFS These probe points allow procfs "files" in |