From: Namhyung Kim <namhy...@kernel.org> Add support for event triggering to uprobes. This is same as kprobes support added by Tom (plus cleanup by Steven).
Link: http://lkml.kernel.org/r/1389946120-19610-5-git-send-email-namhy...@kernel.org Reviewed-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Ingo Molnar <mi...@kernel.org> Cc: Oleg Nesterov <o...@redhat.com> Cc: Srikar Dronamraju <sri...@linux.vnet.ibm.com> Cc: zhangwei(Jovi) <jovi.zhang...@huawei.com> Cc: Tom Zanussi <tom.zanu...@linux.intel.com> Signed-off-by: Namhyung Kim <namhy...@kernel.org> Signed-off-by: Steven Rostedt <rost...@goodmis.org> --- kernel/trace/trace_uprobe.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 349c6df..01fcb0d 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -776,6 +776,9 @@ static void __uprobe_trace_func(struct trace_uprobe *tu, if (WARN_ON_ONCE(tu->tp.size + dsize > PAGE_SIZE)) return; + if (ftrace_trigger_soft_disabled(ftrace_file)) + return; + esize = SIZEOF_TRACE_ENTRY(is_ret_probe(tu)); size = esize + tu->tp.size + dsize; event = trace_event_buffer_lock_reserve(&buffer, ftrace_file, @@ -795,8 +798,7 @@ static void __uprobe_trace_func(struct trace_uprobe *tu, memcpy(data, ucb->buf, tu->tp.size + dsize); - if (!call_filter_check_discard(call, entry, buffer, event)) - trace_buffer_unlock_commit(buffer, event, 0, 0); + event_trigger_unlock_commit(ftrace_file, buffer, event, entry, 0, 0); } /* uprobe handler */ -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
