2 // Copyright (c) 2015 Intel Corporation
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
22 int sysfs_read_int (const char path[PATH_MAX], int *value);
23 int sysfs_write_int (const char path[PATH_MAX], int value);
25 int sysfs_read_str (const char path[PATH_MAX], char *buf, int buf_len);
26 int sysfs_write_str (const char path[PATH_MAX], const char *buf);
28 int sysfs_read_float (const char path[PATH_MAX], float *value);
29 int sysfs_write_float(const char path[PATH_MAX], float value);
31 int sysfs_read_uint64(const char path[PATH_MAX], uint64_t *value);
33 void set_timestamp (struct timespec *out, int64_t target_ns);
35 int64_t get_timestamp_boot (void);
36 int64_t get_timestamp_thread (void);
37 int64_t get_timestamp_realtime (void);
38 int64_t get_timestamp_monotonic (void);