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authorMasami Hiramatsu <mhiramat@kernel.org>2018-04-25 15:17:05 +0300
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2018-10-11 05:19:06 +0300
commiteeb07b0615004bce145015b704de85fd3ac6cce0 (patch)
treea3ddb46aa2539fb9fd2c5d1343e0f0176425dae5 /kernel/trace/trace_probe.c
parent56de763052792669d61d79a087611da9a7f04d4e (diff)
downloadlinux-eeb07b0615004bce145015b704de85fd3ac6cce0.tar.xz
tracing: probeevent: Cleanup argument field definition
Cleanup event argument definition code in one place for maintenancability. Link: http://lkml.kernel.org/r/152465862529.26224.9068605421476018902.stgit@devbox Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_probe.c')
-rw-r--r--kernel/trace/trace_probe.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index e2c184eaa7db..21af28ffba3a 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -668,3 +668,24 @@ int set_print_fmt(struct trace_probe *tp, bool is_return)
return 0;
}
+
+int traceprobe_define_arg_fields(struct trace_event_call *event_call,
+ size_t offset, struct trace_probe *tp)
+{
+ int ret, i;
+
+ /* Set argument names as fields */
+ for (i = 0; i < tp->nr_args; i++) {
+ struct probe_arg *parg = &tp->args[i];
+
+ ret = trace_define_field(event_call, parg->type->fmttype,
+ parg->name,
+ offset + parg->offset,
+ parg->type->size,
+ parg->type->is_signed,
+ FILTER_OTHER);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}