Add description of tep_load_plugins_hook() traceevent API. Link: https://lore.kernel.org/linux-trace-devel/CAM9d7cgLBWCrEHwz+Lhv5x5EXGcNWB0QQoeGh3OKh2JfR=dV9Q@xxxxxxxxxxxxxx/ Suggested-by: Namhyung Kim <namhyung@xxxxxxxxxx> Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx> --- lib/traceevent/event-plugin.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/lib/traceevent/event-plugin.c b/lib/traceevent/event-plugin.c index 30c1526d..c11636ce 100644 --- a/lib/traceevent/event-plugin.c +++ b/lib/traceevent/event-plugin.c @@ -544,6 +544,22 @@ load_plugins_dir(struct tep_handle *tep, const char *suffix, closedir(dir); } +/** + * tep_load_plugins_hook - call a user specified callback to load a plugin + * @tep: handler to traceevent context + * @suffix: filter only plugin files with given suffix + * @load_plugin: user specified callback, called for each plugin file + * @data: custom context, passed to @load_plugin + * + * Searches for traceevent plugin files and calls @load_plugin for each + * The order of plugins search is: + * - Directories, specified in @tep->plugins_dir and priority TEP_PLUGIN_FIRST + * - Directory, specified at compile time with PLUGIN_TRACEEVENT_DIR + * - Directory, specified by environment variable TRACEEVENT_PLUGIN_DIR + * - In user's home: ~/.local/lib/traceevent/plugins/ + * - Directories, specified in @tep->plugins_dir and priority TEP_PLUGIN_LAST + * + */ void tep_load_plugins_hook(struct tep_handle *tep, const char *suffix, void (*load_plugin)(struct tep_handle *tep, const char *path, -- 2.26.2
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