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Vector Packet Processing
pmc.h
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/*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef included_clib_pmc_h
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#define included_clib_pmc_h
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#if defined (__x86_64__)
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always_inline
u64
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clib_rdpmc
(
int
counter_id)
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{
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u32
a
, d;
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asm
volatile
(
"rdpmc"
:
"=a"
(
a
),
"=d"
(d):
"c"
(counter_id));
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return
(
u64
) a + ((
u64
) d << (
u64
) 32);
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}
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#else
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always_inline
u64
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clib_rdpmc
(
int
counter_id)
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{
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return
0ULL;
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}
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#endif
/* __aarch64__ */
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#endif
/* included_clib_pmc_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
a
a
Definition:
bitmap.h:538
u64
unsigned long u64
Definition:
types.h:89
u32
unsigned int u32
Definition:
types.h:88
always_inline
#define always_inline
Definition:
ipsec.h:28
clib_rdpmc
static u64 clib_rdpmc(int counter_id)
Definition:
pmc.h:22
src
vppinfra
pmc.h
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