Changes to make upstart log performance stats to a file.

init/perf_log.h

+// Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PERF_LOG_H
+#define PERF_LOG_H
+
+#include "job.h"
+
+NIH_BEGIN_EXTERN
+
+char      **get_file_fields            (void *parent,
+                                        const char *file,
+                                        char *delimiters,
+                                        int *fields);
+
+void        perf_log_init              (void);
+
+void        perf_log_flush             (void);
+
+void        perf_log_set_files         (const char *uptime_file,
+                                        const char *diskstats_file,
+                                        const char *timestamp_file);
+
+void        perf_log_message           (const char *format,
+                                        ...);
+
+void        perf_log_job_state_change  (Job     *job,
+                                        JobState new_state);
+
+NIH_END_EXTERN
+
+#endif /* PERF_LOG_H */