Add support for logging complex events from C++.
Also include relevant new metric_logger.proto values.
Test: m
Test: Exercised by ag/3890335 in art
Bug: 77517571
Change-Id: Ia527f2b94c7a6147ad9d537376266e5ffc597b04
diff --git a/libmetricslogger/Android.bp b/libmetricslogger/Android.bp
index 6549b8d..e6e17ce 100644
--- a/libmetricslogger/Android.bp
+++ b/libmetricslogger/Android.bp
@@ -29,6 +29,13 @@
defaults: ["metricslogger_defaults"],
}
+// static version of libmetricslogger, needed by a few art static binaries
+cc_library_static {
+ name: "libmetricslogger_static",
+ srcs: metricslogger_lib_src_files,
+ defaults: ["metricslogger_defaults"],
+}
+
// metricslogger shared library, debug
// -----------------------------------------------------------------------------
cc_library_shared {
diff --git a/libmetricslogger/include/metricslogger/metrics_logger.h b/libmetricslogger/include/metricslogger/metrics_logger.h
index 189bc4b..2c76869 100644
--- a/libmetricslogger/include/metricslogger/metrics_logger.h
+++ b/libmetricslogger/include/metricslogger/metrics_logger.h
@@ -14,6 +14,7 @@
* limitations under the License.
*/
+#include <log/log_event_list.h>
#include <cstdint>
#include <string>
@@ -32,6 +33,34 @@
// |value| in the field |field|.
void LogMultiAction(int32_t category, int32_t field, const std::string& value);
+// Logs a Tron complex event.
+//
+// A complex event can include data in a structure not suppored by the other
+// log event types above.
+//
+// Note that instances of this class are single use. You must call Record()
+// to write the event to the event log.
+class ComplexEventLogger {
+ private:
+ android_log_event_list logger;
+
+ public:
+ // Create a complex event with category|category|.
+ explicit ComplexEventLogger(int category);
+ // Add tagged data to the event, with the given tag and integer value.
+ void AddTaggedData(int tag, int32_t value);
+ // Add tagged data to the event, with the given tag and string value.
+ void AddTaggedData(int tag, const std::string& value);
+ // Add tagged data to the event, with the given tag and integer value.
+ void AddTaggedData(int tag, int64_t value);
+ // Add tagged data to the event, with the given tag and float value.
+ void AddTaggedData(int tag, float value);
+ // Record this event. This method can only be used once per instance
+ // of ComplexEventLogger. Do not made any subsequent calls to AddTaggedData
+ // after recording an event.
+ void Record();
+};
+
// TODO: replace these with the metric_logger.proto definitions
enum {
LOGBUILDER_CATEGORY = 757,
@@ -44,11 +73,23 @@
ACTION_BOOT = 1098,
FIELD_PLATFORM_REASON = 1099,
+
+ ACTION_HIDDEN_API_ACCESSED = 1391,
+ FIELD_HIDDEN_API_ACCESS_METHOD = 1392,
+ FIELD_HIDDEN_API_ACCESS_DENIED = 1393,
+ FIELD_HIDDEN_API_SIGNATURE = 1394,
};
enum {
TYPE_ACTION = 4,
};
+enum {
+ ACCESS_METHOD_NONE = 0,
+ ACCESS_METHOD_REFLECTION = 1,
+ ACCESS_METHOD_JNI = 2,
+ ACCESS_METHOD_LINKING = 3,
+};
+
} // namespace metricslogger
} // namespace android
diff --git a/libmetricslogger/metrics_logger.cpp b/libmetricslogger/metrics_logger.cpp
index fdc4407..912fa12 100644
--- a/libmetricslogger/metrics_logger.cpp
+++ b/libmetricslogger/metrics_logger.cpp
@@ -23,9 +23,14 @@
namespace {
+#ifdef __ANDROID__
EventTagMap* kEventTagMap = android_openEventTagMap(nullptr);
const int kSysuiMultiActionTag = android_lookupEventTagNum(
kEventTagMap, "sysui_multi_action", "(content|4)", ANDROID_LOG_UNKNOWN);
+#else
+// android_openEventTagMap does not work on host builds.
+const int kSysuiMultiActionTag = 0;
+#endif
} // namespace
@@ -53,5 +58,29 @@
<< field << value << LOG_ID_EVENTS;
}
+ComplexEventLogger::ComplexEventLogger(int category) : logger(kSysuiMultiActionTag) {
+ logger << LOGBUILDER_CATEGORY << category;
+}
+
+void ComplexEventLogger::AddTaggedData(int tag, int32_t value) {
+ logger << tag << value;
+}
+
+void ComplexEventLogger::AddTaggedData(int tag, const std::string& value) {
+ logger << tag << value;
+}
+
+void ComplexEventLogger::AddTaggedData(int tag, int64_t value) {
+ logger << tag << value;
+}
+
+void ComplexEventLogger::AddTaggedData(int tag, float value) {
+ logger << tag << value;
+}
+
+void ComplexEventLogger::Record() {
+ logger << LOG_ID_EVENTS;
+}
+
} // namespace metricslogger
} // namespace android