Merge branch 'linus' into perf/urgent

Merge back Linus's latest branch so that we pick up the uprobes changes.

( I tested this branch locally and while it's one from the middle of the
  merge window it's a good one to base further work off. )

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 18 insertions, 1 deletions

diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 2780d9ce48bf..b715cb71592b 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -77,7 +77,8 @@ OPTIONS
 
 -F::
 --funcs::
-	Show available functions in given module or kernel.
+	Show available functions in given module or kernel. With -x/--exec,
+	can also list functions in a user space executable / shared library.
 
 --filter=FILTER::
 	(Only for --vars and --funcs) Set filter. FILTER is a combination of glob
@@ -98,6 +99,15 @@ OPTIONS
 --max-probes::
 	Set the maximum number of probe points for an event. Default is 128.
 
+-x::
+--exec=PATH::
+	Specify path to the executable or shared library file for user
+	space tracing. Can also be used with --funcs option.
+
+In absence of -m/-x options, perf probe checks if the first argument after
+the options is an absolute path name. If its an absolute path, perf probe
+uses it as a target module/target user space binary to probe.
+
 PROBE SYNTAX
 ------------
 Probe points are defined by following syntax.
@@ -182,6 +192,13 @@ Delete all probes on schedule().
 
  ./perf probe --del='schedule*'
 
+Add probes at zfree() function on /bin/zsh
+
+ ./perf probe -x /bin/zsh zfree or ./perf probe /bin/zsh zfree
+
+Add probes at malloc() function on libc
+
+ ./perf probe -x /lib/libc.so.6 malloc or ./perf probe /lib/libc.so.6 malloc
 
 SEE ALSO
 --------