Merge "dumpstate: calculate logcat timeout using readable buffer size"
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index ec97f1b..78c09f2 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -76,6 +76,7 @@
#include <hardware_legacy/power.h>
#include <hidl/ServiceManagement.h>
#include <log/log.h>
+#include <log/log_read.h>
#include <openssl/sha.h>
#include <private/android_filesystem_config.h>
#include <private/android_logger.h>
@@ -634,14 +635,24 @@
static const long MINIMUM_LOGCAT_TIMEOUT_MS = 50000;
-/* timeout in ms to read a list of buffers */
+// Returns the actual readable size of the given buffer or -1 on error.
+static long logcat_buffer_readable_size(const std::string& buffer) {
+ std::unique_ptr<logger_list, decltype(&android_logger_list_free)> logger_list{
+ android_logger_list_alloc(0, 0, 0), &android_logger_list_free};
+ auto logger = android_logger_open(logger_list.get(), android_name_to_log_id(buffer.c_str()));
+
+ return android_logger_get_log_readable_size(logger);
+}
+
+// Returns timeout in ms to read a list of buffers.
static unsigned long logcat_timeout(const std::vector<std::string>& buffers) {
unsigned long timeout_ms = 0;
for (const auto& buffer : buffers) {
- log_id_t id = android_name_to_log_id(buffer.c_str());
- unsigned long property_size = __android_logger_get_buffer_size(id);
- /* Engineering margin is ten-fold our guess */
- timeout_ms += 10 * (property_size + worst_write_perf) / worst_write_perf;
+ long readable_size = logcat_buffer_readable_size(buffer);
+ if (readable_size > 0) {
+ // Engineering margin is ten-fold our guess.
+ timeout_ms += 10 * (readable_size + worst_write_perf) / worst_write_perf;
+ }
}
return timeout_ms > MINIMUM_LOGCAT_TIMEOUT_MS ? timeout_ms : MINIMUM_LOGCAT_TIMEOUT_MS;
}
