1 files changed, 0 insertions, 113 deletions
diff --git a/libperfmgr/FileNode.cc b/libperfmgr/FileNode.cc
deleted file mode 100644
index bc2b8a67..00000000
--- a/libperfmgr/FileNode.cc
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specic language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "libperfmgr"
-
-#include <android-base/chrono_utils.h>
-#include <android-base/file.h>
-#include <android-base/logging.h>
-#include <android-base/stringprintf.h>
-#include <android-base/strings.h>
-
-#include "perfmgr/FileNode.h"
-
-namespace android {
-namespace perfmgr {
-
-FileNode::FileNode(std::string name, std::string node_path,
-                   std::vector<RequestGroup> req_sorted,
-                   std::size_t default_val_index, bool reset_on_init,
-                   bool hold_fd)
-    : Node(std::move(name), std::move(node_path), std::move(req_sorted),
-           default_val_index, reset_on_init),
-      hold_fd_(hold_fd) {
-    if (reset_on_init) {
-        Update(false);
-    }
-}
-
-std::chrono::milliseconds FileNode::Update(bool log_error) {
-    std::size_t value_index = default_val_index_;
-    std::chrono::milliseconds expire_time = std::chrono::milliseconds::max();
-
-    // Find the highest outstanding request's expire time
-    for (std::size_t i = 0; i < req_sorted_.size(); i++) {
-        if (req_sorted_[i].GetExpireTime(&expire_time)) {
-            value_index = i;
-            break;
-        }
-    }
-
-    // Update node only if request index changes
-    if (value_index != current_val_index_) {
-        const std::string& req_value =
-            req_sorted_[value_index].GetRequestValue();
-
-        android::base::Timer t;
-        fd_.reset(TEMP_FAILURE_RETRY(
-            open(node_path_.c_str(), O_WRONLY | O_CLOEXEC | O_TRUNC)));
-
-        if (fd_ == -1 || !android::base::WriteStringToFd(req_value, fd_)) {
-            if (log_error) {
-                LOG(WARNING) << "Failed to write to node: " << node_path_
-                             << " with value: " << req_value << ", fd: " << fd_;
-            }
-            // Retry in 500ms or sooner
-            expire_time = std::min(expire_time, std::chrono::milliseconds(500));
-        } else {
-            // For regular file system, we need fsync
-            fsync(fd_);
-            // Some dev node requires file to remain open during the entire hint
-            // duration e.g. /dev/cpu_dma_latency, so fd_ is intentionally kept
-            // open during any requested value other than default one. If
-            // request a default value, node will write the value and then
-            // release the fd.
-            if ((!hold_fd_) || value_index == default_val_index_) {
-                fd_.reset();
-            }
-            auto duration = t.duration();
-            if (duration > 50ms) {
-                LOG(WARNING) << "Slow writing to file: '" << node_path_
-                             << "' with value: '" << req_value
-                             << "' took: " << duration.count() << " ms";
-            }
-            // Update current index only when succeed
-            current_val_index_ = value_index;
-        }
-    }
-    return expire_time;
-}
-
-bool FileNode::GetHoldFd() const {
-    return hold_fd_;
-}
-
-void FileNode::DumpToFd(int fd) const {
-    std::string node_value;
-    if (!android::base::ReadFileToString(node_path_, &node_value)) {
-        LOG(ERROR) << "Failed to read node path: " << node_path_;
-    }
-    node_value = android::base::Trim(node_value);
-    std::string buf(android::base::StringPrintf(
-        "%s\t%s\t%zu\t%s\n", name_.c_str(), node_path_.c_str(),
-        current_val_index_, node_value.c_str()));
-    if (!android::base::WriteStringToFd(buf, fd)) {
-        LOG(ERROR) << "Failed to dump fd: " << fd;
-    }
-}
-
-}  // namespace perfmgr
-}  // namespace android