From 2e85f6891a978f9e036e42f54965d46d53f8487a Mon Sep 17 00:00:00 2001
From: ncteisen <ncteisen@gmail.com>
Date: Wed, 12 Jul 2017 23:10:37 -0700
Subject: [PATCH] Add a list_tracer functionality
---
src/core/lib/debug/trace.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/core/lib/debug/trace.c b/src/core/lib/debug/trace.c
index 4b9e3d20d2..4c9d2b8e2e 100644
--- a/src/core/lib/debug/trace.c
+++ b/src/core/lib/debug/trace.c
@@ -91,6 +91,14 @@ static void parse(const char *s) {
gpr_free(strings);
}
+static void list_tracers() {
+ gpr_log(GPR_DEBUG, "available tracers:");
+ tracer *t;
+ for (t = tracers; t; t = t->next) {
+ gpr_log(GPR_DEBUG, "\t%s", t->flag->name);
+ }
+}
+
void grpc_tracer_init(const char *env_var) {
char *e = gpr_getenv(env_var);
if (e != NULL) {
@@ -113,6 +121,8 @@ int grpc_tracer_set_enabled(const char *name, int enabled) {
for (t = tracers; t; t = t->next) {
TRACER_SET(*t->flag, enabled);
}
+ } else if (0 == strcmp(name, "list_tracers")) {
+ list_tracers();
} else {
int found = 0;
for (t = tracers; t; t = t->next) {
--
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