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| author |   Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> | 2020-07-21 21:16:44 -0400 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 09:26:23 -0300 |
| commit | 9dc7dc75b179d341d246ce7a9b21e93ab3acd8f2 (patch) | |
| tree | 0c5a95ef6e915fb0bb9615fb462d2c1ebc25f3c2 /tools/lib/traceevent/event-plugin.c | |
| parent | perf evsel: Extend message to mention CAP_SYS_PTRACE and perf security doc link (diff) | |
| download | linux-dev-9dc7dc75b179d341d246ce7a9b21e93ab3acd8f2.tar.xz linux-dev-9dc7dc75b179d341d246ce7a9b21e93ab3acd8f2.zip | |
libtraceevent: Document tep_load_plugins_hook()
Add description of tep_load_plugins_hook() traceevent API. Updated
library man pages with description of the tep_load_plugins_hook() API.
Link: https://lore.kernel.org/r/CAM9d7cgLBWCrEHwz+Lhv5x5EXGcNWB0QQoeGh3OKh2JfR=dV9Q@mail.gmail.com
Link: https://lore.kernel.org/linux-trace-devel/20200714103027.2477584-2-tz.stoyanov@gmail.com
Link: https://lore.kernel.org/linux-trace-devel/20200716092014.2613403-2-tz.stoyanov@gmail.com
Suggested-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200722011754.720060785@goodmis.org
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent/event-plugin.c')
| -rw-r--r-- | tools/lib/traceevent/event-plugin.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c index 1d4f1809cf17..aa6f43290cd3 100644 --- a/tools/lib/traceevent/event-plugin.c +++ b/tools/lib/traceevent/event-plugin.c @@ -543,6 +543,22 @@ 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, |