Merge pull request #24151 from veblush/stack-debug
Add stack-debugging features using Abseilpull/24207/head
Esun Kim
5 years ago
committed by
GitHub
commit
c516eb7c09
8 changed files with 196 additions and 1 deletions
@ -0,0 +1,102 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2020 the gRPC authors. |
||||||
|
* |
||||||
|
* 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. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
||||||
|
#include <grpc/support/port_platform.h> |
||||||
|
|
||||||
|
#include "test/core/util/examine_stack.h" |
||||||
|
|
||||||
|
#include <cstdio> |
||||||
|
#include <string> |
||||||
|
|
||||||
|
#include "absl/debugging/stacktrace.h" |
||||||
|
#include "absl/debugging/symbolize.h" |
||||||
|
|
||||||
|
namespace { |
||||||
|
|
||||||
|
static constexpr int kPrintfPointerFieldWidth = 2 + 2 * sizeof(void*); |
||||||
|
|
||||||
|
static void DumpPCAndFrameSizeAndSymbol(void (*writerfn)(const char*, void*), |
||||||
|
void* writerfn_arg, void* pc, |
||||||
|
void* symbolize_pc, int framesize, |
||||||
|
const char* const prefix) { |
||||||
|
char tmp[1024]; |
||||||
|
const char* symbol = "(unknown)"; |
||||||
|
if (absl::Symbolize(symbolize_pc, tmp, sizeof(tmp))) { |
||||||
|
symbol = tmp; |
||||||
|
} |
||||||
|
char buf[1024]; |
||||||
|
if (framesize <= 0) { |
||||||
|
snprintf(buf, sizeof(buf), "%s@ %*p (unknown) %s\n", prefix, |
||||||
|
kPrintfPointerFieldWidth, pc, symbol); |
||||||
|
} else { |
||||||
|
snprintf(buf, sizeof(buf), "%s@ %*p %9d %s\n", prefix, |
||||||
|
kPrintfPointerFieldWidth, pc, framesize, symbol); |
||||||
|
} |
||||||
|
writerfn(buf, writerfn_arg); |
||||||
|
} |
||||||
|
|
||||||
|
static void DumpPCAndFrameSize(void (*writerfn)(const char*, void*), |
||||||
|
void* writerfn_arg, void* pc, int framesize, |
||||||
|
const char* const prefix) { |
||||||
|
char buf[100]; |
||||||
|
if (framesize <= 0) { |
||||||
|
snprintf(buf, sizeof(buf), "%s@ %*p (unknown)\n", prefix, |
||||||
|
kPrintfPointerFieldWidth, pc); |
||||||
|
} else { |
||||||
|
snprintf(buf, sizeof(buf), "%s@ %*p %9d\n", prefix, |
||||||
|
kPrintfPointerFieldWidth, pc, framesize); |
||||||
|
} |
||||||
|
writerfn(buf, writerfn_arg); |
||||||
|
} |
||||||
|
|
||||||
|
static void DumpStackTrace(void* const stack[], int frame_sizes[], int depth, |
||||||
|
bool symbolize_stacktrace, |
||||||
|
void (*writerfn)(const char*, void*), |
||||||
|
void* writerfn_arg) { |
||||||
|
for (int i = 0; i < depth; i++) { |
||||||
|
if (symbolize_stacktrace) { |
||||||
|
DumpPCAndFrameSizeAndSymbol(writerfn, writerfn_arg, stack[i], |
||||||
|
reinterpret_cast<char*>(stack[i]) - 1, |
||||||
|
frame_sizes[i], " "); |
||||||
|
} else { |
||||||
|
DumpPCAndFrameSize(writerfn, writerfn_arg, stack[i], frame_sizes[i], |
||||||
|
" "); |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
static void DebugWriteToString(const char* data, void* str) { |
||||||
|
reinterpret_cast<std::string*>(str)->append(data); |
||||||
|
} |
||||||
|
|
||||||
|
} // namespace
|
||||||
|
|
||||||
|
namespace grpc_core { |
||||||
|
|
||||||
|
std::string CurrentStackTrace() { |
||||||
|
std::string result = "Stack trace:\n"; |
||||||
|
constexpr int kNumStackFrames = 32; |
||||||
|
void* stack[kNumStackFrames]; |
||||||
|
int frame_sizes[kNumStackFrames]; |
||||||
|
int depth = absl::GetStackFrames(stack, frame_sizes, kNumStackFrames, 1); |
||||||
|
DumpStackTrace(stack, frame_sizes, depth, true, DebugWriteToString, |
||||||
|
(void*)&result); |
||||||
|
return result; |
||||||
|
} |
||||||
|
|
||||||
|
} // namespace grpc_core
|
||||||
@ -0,0 +1,34 @@ |
|||||||
|
/*
|
||||||
|
* |
||||||
|
* Copyright 2020 the gRPC authors. |
||||||
|
* |
||||||
|
* 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. |
||||||
|
* |
||||||
|
*/ |
||||||
|
|
||||||
|
#ifndef GRPC_TEST_CORE_UTIL_EXAMINE_STACK_H |
||||||
|
#define GRPC_TEST_CORE_UTIL_EXAMINE_STACK_H |
||||||
|
|
||||||
|
#include <grpc/support/port_platform.h> |
||||||
|
|
||||||
|
#include <string> |
||||||
|
|
||||||
|
namespace grpc_core { |
||||||
|
|
||||||
|
// Return the current stack trace as a string (on multiple lines, beginning with
|
||||||
|
// "Stack trace:\n")
|
||||||
|
std::string CurrentStackTrace(); |
||||||
|
|
||||||
|
} // namespace grpc_core
|
||||||
|
|
||||||
|
#endif /* GRPC_TEST_CORE_UTIL_EXAMINE_STACK_H */ |
||||||
Loading…
Reference in new issue