aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/Documentation/perf-probe.txt
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/Documentation/perf-probe.txt')
-rw-r--r--tools/perf/Documentation/perf-probe.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 39e387042098..736da44596e4 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -152,7 +152,9 @@ Probe points are defined by following syntax.
[[GROUP:]EVENT=]SRC;PTN [ARG ...]
4) Pre-defined SDT events or cached event with name
- %[PROVIDER:]SDTEVENT
+ %[sdt_PROVIDER:]SDTEVENT
+ or,
+ sdt_PROVIDER:SDTEVENT
'EVENT' specifies the name of new event, if omitted, it will be set the name of the probed function. You can also specify a group name by 'GROUP', if omitted, set 'probe' is used for kprobe and 'probe_<bin>' is used for uprobe.
Note that using existing group name can conflict with other events. Especially, using the group name reserved for kernel modules can hide embedded events in the