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tools lib traceevent: Add flag to not load event plugins

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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>
This commit is contained in:
Steven Rostedt (Red Hat) 2014-06-02 23:20:13 -04:00 committed by Jiri Olsa
parent 82b897782d
commit a7c3196c79
2 changed files with 8 additions and 1 deletions
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2
tools/lib/traceevent/event-parse.h
View File

@ -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 \

7
tools/lib/traceevent/event-plugin.c
View File

@ -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
/*