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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2014-06-02 23:20:13 -0400
committerJiri Olsa <jolsa@kernel.org>2014-06-07 23:33:36 +0200
commita7c3196c79051f9e1a498f5be8fe6870bde5e55d (patch)
treef20cea545ac8f7faa6bcd9d3c60e0c13437bb35f /tools/lib
parent82b897782d10fcc4930c9d4a15b175348fdd2871 (diff)
tools lib traceevent: Add flag to not load event plugins
Add a flag to pevent that will let the callers be able to set it and keep the system, and perhaps even normal plugins from being loaded. This is useful when plugins might hide certain information and seeing the raw events shows what may be going on. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20140603032223.678098063@goodmis.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/traceevent/event-parse.h2
-rw-r--r--tools/lib/traceevent/event-plugin.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index feab94281634..a68ec3d8289f 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -354,6 +354,8 @@ enum pevent_func_arg_type {
enum pevent_flag {
PEVENT_NSEC_OUTPUT = 1, /* output in NSECS */
+ PEVENT_DISABLE_SYS_PLUGINS = 1 << 1,
+ PEVENT_DISABLE_PLUGINS = 1 << 2,
};
#define PEVENT_ERRORS \
diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c
index 0c8bf6780e4d..317466bd1a37 100644
--- a/tools/lib/traceevent/event-plugin.c
+++ b/tools/lib/traceevent/event-plugin.c
@@ -148,12 +148,17 @@ load_plugins(struct pevent *pevent, const char *suffix,
char *path;
char *envdir;
+ if (pevent->flags & PEVENT_DISABLE_PLUGINS)
+ return;
+
/*
* If a system plugin directory was defined,
* check that first.
*/
#ifdef PLUGIN_DIR
- load_plugins_dir(pevent, suffix, PLUGIN_DIR, load_plugin, data);
+ if (!(pevent->flags & PEVENT_DISABLE_SYS_PLUGINS))
+ load_plugins_dir(pevent, suffix, PLUGIN_DIR,
+ load_plugin, data);
#endif
/*