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Add USDT for operator execution

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Summary: Import relevant headers from folly.

Reviewed By: azzolini

Differential Revision: D4342793

fbshipit-source-id: 77471e1afd70e399805e4c46e5320ccc3e39d69c
This commit is contained in:
Pieter Noordhuis 2017-02-06 08:38:25 -08:00 committed by Facebook Github Bot
parent 06591ad414
commit c4afd618c4
3 changed files with 151 additions and 2 deletions
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10
caffe2/core/net.cc
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@ -6,6 +6,7 @@
#include <unordered_set>
#include "caffe2/core/operator.h"
#include "caffe2/core/static_tracepoint.h"
#include "caffe2/core/timer.h"
#include "caffe2/proto/caffe2.pb.h"
#include "caffe2/utils/proto_utils.h"
@ -756,8 +757,13 @@ class DAGNet : public DAGNetBase {
protected:
bool RunAt(const std::vector<int>& chain) override {
bool success = true;
for (const auto idx : chain) {
success &= operator_nodes_[idx].operator_->Run();
const auto& net_name = name_.c_str();
for (const auto i : chain) {
const auto& op_name = operator_nodes_[i].operator_->def().name().c_str();
const auto& op_type = operator_nodes_[i].operator_->def().type().c_str();
CAFFE_SDT(operator_start, net_name, op_name, op_type);
success &= operator_nodes_[i].operator_->Run();
CAFFE_SDT(operator_done, net_name, op_name, op_type);
}
return success;
}

27
caffe2/core/static_tracepoint.h Normal file
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@ -0,0 +1,27 @@
/*
* Copyright 2017 Facebook, Inc.
*
* 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 specific language governing permissions and
* limitations under the License.
*/
#pragma once
#if defined(__ELF__) && (defined(__x86_64__) || defined(__i386__))
#include <caffe2/core/static_tracepoint_elfx86.h>
#define CAFFE_SDT(name, ...) \
CAFFE_SDT_PROBE_N( \
caffe2, name, CAFFE_SDT_NARG(0, ##__VA_ARGS__), ##__VA_ARGS__)
#else
#define CAFFE_SDT(name, ...) do {} while(0)
#endif

116
caffe2/core/static_tracepoint_elfx86.h Normal file
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@ -0,0 +1,116 @@
/*
* Copyright 2017 Facebook, Inc.
*
* 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 specific language governing permissions and
* limitations under the License.
*/
#pragma once
// Default constraint for the probe arguments as operands.
#ifndef CAFFE_SDT_ARG_CONSTRAINT
#define CAFFE_SDT_ARG_CONSTRAINT "nor"
#endif
// Instruction to emit for the probe.
#define CAFFE_SDT_NOP nop
// Note section properties.
#define CAFFE_SDT_NOTE_NAME "stapsdt"
#define CAFFE_SDT_NOTE_TYPE 3
// Size of address depending on platform.
#ifdef __LP64__
#define CAFFE_SDT_ASM_ADDR .8byte
#else
#define CAFFE_SDT_ASM_ADDR .4byte
#endif
// Assembler helper Macros.
#define CAFFE_SDT_S(x) #x
#define CAFFE_SDT_ASM_1(x) CAFFE_SDT_S(x) "\n"
#define CAFFE_SDT_ASM_2(a, b) CAFFE_SDT_S(a) "," CAFFE_SDT_S(b) "\n"
#define CAFFE_SDT_ASM_3(a, b, c) CAFFE_SDT_S(a) "," CAFFE_SDT_S(b) "," \
CAFFE_SDT_S(c) "\n"
#define CAFFE_SDT_ASM_STRING(x) CAFFE_SDT_ASM_1(.asciz CAFFE_SDT_S(x))
// Helper to determine the size of an argument.
#define CAFFE_SDT_ISARRAY(x) (__builtin_classify_type(x) == 14)
#define CAFFE_SDT_ARGSIZE(x) (CAFFE_SDT_ISARRAY(x) ? sizeof(void*) : sizeof(x))
// Format of each probe arguments as operand.
// Size of the arugment tagged with CAFFE_SDT_Sn, with "n" constraint.
// Value of the argument tagged with CAFFE_SDT_An, with configured constraint.
#define CAFFE_SDT_ARG(n, x) \
[CAFFE_SDT_S##n] "n" ((size_t)CAFFE_SDT_ARGSIZE(x)), \
[CAFFE_SDT_A##n] CAFFE_SDT_ARG_CONSTRAINT (x)
// Templates to append arguments as operands.
#define CAFFE_SDT_OPERANDS_0() [__sdt_dummy] "g" (0)
#define CAFFE_SDT_OPERANDS_1(_1) CAFFE_SDT_ARG(1, _1)
#define CAFFE_SDT_OPERANDS_2(_1, _2) \
CAFFE_SDT_OPERANDS_1(_1), CAFFE_SDT_ARG(2, _2)
#define CAFFE_SDT_OPERANDS_3(_1, _2, _3) \
CAFFE_SDT_OPERANDS_2(_1, _2), CAFFE_SDT_ARG(3, _3)
#define CAFFE_SDT_OPERANDS_4(_1, _2, _3, _4) \
CAFFE_SDT_OPERANDS_3(_1, _2, _3), CAFFE_SDT_ARG(4, _4)
#define CAFFE_SDT_OPERANDS_5(_1, _2, _3, _4, _5) \
CAFFE_SDT_OPERANDS_4(_1, _2, _3, _4), CAFFE_SDT_ARG(5, _5)
#define CAFFE_SDT_OPERANDS_6(_1, _2, _3, _4, _5, _6) \
CAFFE_SDT_OPERANDS_5(_1, _2, _3, _4, _5), CAFFE_SDT_ARG(6, _6)
#define CAFFE_SDT_OPERANDS_7(_1, _2, _3, _4, _5, _6, _7) \
CAFFE_SDT_OPERANDS_6(_1, _2, _3, _4, _5, _6), CAFFE_SDT_ARG(7, _7)
#define CAFFE_SDT_OPERANDS_8(_1, _2, _3, _4, _5, _6, _7, _8) \
CAFFE_SDT_OPERANDS_7(_1, _2, _3, _4, _5, _6, _7), CAFFE_SDT_ARG(8, _8)
// Templates to reference the arguments from operands in note section.
#define CAFFE_SDT_ARGFMT(no) %n[CAFFE_SDT_S##no]@%[CAFFE_SDT_A##no]
#define CAFFE_SDT_ARG_TEMPLATE_0 /*No arguments*/
#define CAFFE_SDT_ARG_TEMPLATE_1 CAFFE_SDT_ARGFMT(1)
#define CAFFE_SDT_ARG_TEMPLATE_2 CAFFE_SDT_ARG_TEMPLATE_1 CAFFE_SDT_ARGFMT(2)
#define CAFFE_SDT_ARG_TEMPLATE_3 CAFFE_SDT_ARG_TEMPLATE_2 CAFFE_SDT_ARGFMT(3)
#define CAFFE_SDT_ARG_TEMPLATE_4 CAFFE_SDT_ARG_TEMPLATE_3 CAFFE_SDT_ARGFMT(4)
#define CAFFE_SDT_ARG_TEMPLATE_5 CAFFE_SDT_ARG_TEMPLATE_4 CAFFE_SDT_ARGFMT(5)
#define CAFFE_SDT_ARG_TEMPLATE_6 CAFFE_SDT_ARG_TEMPLATE_5 CAFFE_SDT_ARGFMT(6)
#define CAFFE_SDT_ARG_TEMPLATE_7 CAFFE_SDT_ARG_TEMPLATE_6 CAFFE_SDT_ARGFMT(7)
#define CAFFE_SDT_ARG_TEMPLATE_8 CAFFE_SDT_ARG_TEMPLATE_7 CAFFE_SDT_ARGFMT(8)
// Structure of note section for the probe.
#define CAFFE_SDT_NOTE_CONTENT(provider, name, arg_template) \
CAFFE_SDT_ASM_1(990: CAFFE_SDT_NOP) \
CAFFE_SDT_ASM_3( .pushsection .note.stapsdt,"","note") \
CAFFE_SDT_ASM_1( .balign 4) \
CAFFE_SDT_ASM_3( .4byte 992f-991f, 994f-993f, CAFFE_SDT_NOTE_TYPE) \
CAFFE_SDT_ASM_1(991: .asciz CAFFE_SDT_NOTE_NAME) \
CAFFE_SDT_ASM_1(992: .balign 4) \
CAFFE_SDT_ASM_1(993: CAFFE_SDT_ASM_ADDR 990b) \
CAFFE_SDT_ASM_1( CAFFE_SDT_ASM_ADDR 0) /*Reserved for Semaphore address*/\
CAFFE_SDT_ASM_1( CAFFE_SDT_ASM_ADDR 0) /*Reserved for Semaphore name*/ \
CAFFE_SDT_ASM_STRING(provider) \
CAFFE_SDT_ASM_STRING(name) \
CAFFE_SDT_ASM_STRING(arg_template) \
CAFFE_SDT_ASM_1(994: .balign 4) \
CAFFE_SDT_ASM_1( .popsection)
// Main probe Macro.
#define CAFFE_SDT_PROBE(provider, name, n, arglist) \
__asm__ __volatile__ ( \
CAFFE_SDT_NOTE_CONTENT(provider, name, CAFFE_SDT_ARG_TEMPLATE_##n) \
:: CAFFE_SDT_OPERANDS_##n arglist \
) \
// Helper Macros to handle variadic arguments.
#define CAFFE_SDT_NARG_(_0, _1, _2, _3, _4, _5, _6, _7, _8, N, ...) N
#define CAFFE_SDT_NARG(...) \
CAFFE_SDT_NARG_(__VA_ARGS__, 8, 7, 6, 5, 4, 3, 2, 1, 0)
#define CAFFE_SDT_PROBE_N(provider, name, N, ...) \
CAFFE_SDT_PROBE(provider, name, N, (__VA_ARGS__))