Add systrace output for dlopen calls
Bug: http://b/27195126
Test: manual: adb shell atrace -t 5 bionic
and run bionic-unit-tests --gtest_filter=dl*:Dl*
Change-Id: Ib2bad794e571b89bd1f52c9e0de642c2092e5c21
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 7b16cc3..a05cd3b 100644
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -1861,6 +1861,9 @@
void* do_dlopen(const char* name, int flags,
const android_dlextinfo* extinfo,
const void* caller_addr) {
+ std::string trace_prefix = std::string("dlopen: ") + (name == nullptr ? "(nullptr)" : name);
+ ScopedTrace trace(trace_prefix.c_str());
+ ScopedTrace loading_trace((trace_prefix + " - loading and linking").c_str());
soinfo* const caller = find_containing_library(caller_addr);
android_namespace_t* ns = get_caller_namespace(caller);
@@ -1937,6 +1940,8 @@
ProtectedDataGuard guard;
soinfo* si = find_library(ns, translated_name, flags, extinfo, caller);
+ loading_trace.End();
+
if (si != nullptr) {
void* handle = si->to_handle();
LD_LOG(kLogDlopen,
diff --git a/linker/linker_logger.h b/linker/linker_logger.h
index 502f872..f37b974 100644
--- a/linker/linker_logger.h
+++ b/linker/linker_logger.h
@@ -32,6 +32,7 @@
#include <stdlib.h>
#include <limits.h>
#include "private/bionic_macros.h"
+#include "private/bionic_systrace.h"
#define LD_LOG(type, x...) \
{ \
diff --git a/linker/linker_soinfo.cpp b/linker/linker_soinfo.cpp
index fe3a6fb..15f2502 100644
--- a/linker/linker_soinfo.cpp
+++ b/linker/linker_soinfo.cpp
@@ -409,11 +409,17 @@
si->call_constructors();
});
- TRACE("\"%s\": calling constructors", get_realpath());
+ if (!is_linker()) {
+ bionic_trace_begin((std::string("calling constructors: ") + get_realpath()).c_str());
+ }
// DT_INIT should be called before DT_INIT_ARRAY if both are present.
call_function("DT_INIT", init_func_, get_realpath());
call_array("DT_INIT_ARRAY", init_array_, init_array_count_, false, get_realpath());
+
+ if (!is_linker()) {
+ bionic_trace_end();
+ }
}
void soinfo::call_destructors() {