2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef included_clib_pmc_h
17 #define included_clib_pmc_h
19 #if defined (__x86_64__)
22 clib_rdpmc (int counter_id)
26 asm volatile ("rdpmc":"=a" (a), "=d" (d):"c" (counter_id));
27 return (u64) a + ((u64) d << (u64) 32);
32 clib_rdpmc (int counter_id)
36 #endif /* __aarch64__ */
38 #endif /* included_clib_pmc_h */
41 * fd.io coding-style-patch-verification: ON
44 * eval: (c-set-style "gnu")