[PATCH v5 3.1.0-rc4-tip 25/26] perf: Documentation for perf uprobes

[Srikar Dronamraju]

Modify perf-probe.txt to include uprobe documentation

Signed-off-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
---
 tools/perf/Documentation/perf-probe.txt |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 800775e..3c98a54 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -78,6 +78,8 @@ OPTIONS
 -F::
 --funcs::
 	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 +100,11 @@ 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.
+
 PROBE SYNTAX
 ------------
 Probe points are defined by following syntax.
@@ -182,6 +189,13 @@ Delete all probes on schedule().
 
  ./perf probe --del='schedule*'
 
+Add probes at zfree() function on /bin/zsh
+
+ ./perf probe -x /bin/zsh zfree
+
+Add probes at malloc() function on libc
+
+ ./perf probe -x /lib/libc.so.6 malloc
 
 SEE ALSO
 --------
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