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-rw-r--r--uncrypt/uncrypt.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index 5e804bcca..c73107cca 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -134,6 +134,7 @@
// devices, on which /cache partitions always exist.
static const std::string CACHE_BLOCK_MAP = "/cache/recovery/block.map";
static const std::string UNCRYPT_PATH_FILE = "/cache/recovery/uncrypt_file";
+static const std::string UNCRYPT_STATUS = "/cache/recovery/uncrypt_status";
static const std::string UNCRYPT_SOCKET = "uncrypt";
static struct fstab* fstab = nullptr;
@@ -466,12 +467,32 @@ static bool uncrypt_wrapper(const char* input_path, const char* map_file, const
input_path = package.c_str();
}
CHECK(map_file != nullptr);
+
+#define UNCRYPT_TIME_HOLDER 0x7FFFFFFF
+ // Intialize the uncrypt time cost to a huge number so that we can tell from
+ // the statistics if an uncrypt fails to finish.
+ if (!android::base::WriteStringToFile(android::base::StringPrintf(
+ "uncrypt_time: %d\n", UNCRYPT_TIME_HOLDER), UNCRYPT_STATUS)) {
+ PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
+ }
+
+ auto start = std::chrono::system_clock::now();
int status = uncrypt(input_path, map_file, socket);
if (status != 0) {
write_status_to_socket(-1, socket);
return false;
}
+
+ std::chrono::duration<double> duration = std::chrono::system_clock::now() - start;
+ int count = static_cast<int>(duration.count());
+ // Overwrite the uncrypt_time if uncrypt finishes successfully.
+ if (!android::base::WriteStringToFile(
+ android::base::StringPrintf("uncrypt_time: %d\n", count), UNCRYPT_STATUS)) {
+ PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
+ }
+
write_status_to_socket(100, socket);
+
return true;
}