[PATCH 4/5] tracing/uprobes: Support event triggering
Add support for event triggering to uprobes. This is same as kprobes support added by Tom (plus cleanup by Steven). Cc: Masami Hiramatsu Cc: Oleg Nesterov Cc: Srikar Dronamraju Cc: zhangwei(Jovi) Cc: Tom Zanussi Signed-off-by: Namhyung Kim --- 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 349c6df9e332..01fcb0db75cb 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(, 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 */ -- 1.7.11.7 -- 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/
[PATCH 4/5] tracing/uprobes: Support event triggering
Add support for event triggering to uprobes. This is same as kprobes support added by Tom (plus cleanup by Steven). Cc: Masami Hiramatsu masami.hiramatsu...@hitachi.com 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 --- 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 349c6df9e332..01fcb0db75cb 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 */ -- 1.7.11.7 -- 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/
