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/*
* Copyright (C) 2018 The Android Open Source Project
*
* 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 <fstream>
#include <iostream>
#include <limits>
#include <vector>
#include "perfetto/base/logging.h"
#include "perfetto/ext/base/string_utils.h"
#include "tools/trace_to_text/symbolize_profile.h"
#include "tools/trace_to_text/trace_to_json.h"
#include "tools/trace_to_text/trace_to_profile.h"
#include "tools/trace_to_text/trace_to_systrace.h"
#include "tools/trace_to_text/trace_to_text.h"
#if PERFETTO_BUILDFLAG(PERFETTO_VERSION_GEN)
#include "perfetto_version.gen.h"
#else
#define PERFETTO_GET_GIT_REVISION() "unknown"
#endif
namespace perfetto {
namespace trace_to_text {
namespace {
int Usage(const char* argv0) {
fprintf(stderr,
"Usage: %s systrace|json|ctrace|text|profile [--pid PID] "
"[--timestamps TIMESTAMP1,TIMESTAMP2,...] "
"[--truncate start|end] "
"[--full-sort] "
"[trace.pb] "
"[trace.txt]\n"
"\nProfile mode only:\n"
"\t--timestamps TIMESTAMP1,TIMESTAMP2,... generate profiles "
"only for these timestamps\n"
"\t--pid PID generate profiles only for this process id\n",
argv0);
return 1;
}
uint64_t StringToUint64OrDie(const char* str) {
char* end;
uint64_t number = static_cast<uint64_t>(strtoll(str, &end, 10));
if (*end != '\0') {
PERFETTO_ELOG("Invalid %s. Expected decimal integer.", str);
exit(1);
}
return number;
}
int Main(int argc, char** argv) {
std::vector<const char*> positional_args;
Keep truncate_keep = Keep::kAll;
uint64_t pid = 0;
std::vector<uint64_t> timestamps;
bool full_sort = false;
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--version") == 0) {
printf("%s\n", PERFETTO_GET_GIT_REVISION());
return 0;
} else if (strcmp(argv[i], "-t") == 0 ||
strcmp(argv[i], "--truncate") == 0) {
i++;
if (i <= argc && strcmp(argv[i], "start") == 0) {
truncate_keep = Keep::kStart;
} else if (i <= argc && strcmp(argv[i], "end") == 0) {
truncate_keep = Keep::kEnd;
} else {
PERFETTO_ELOG(
"--truncate must specify whether to keep the end or the "
"start of the trace.");
return Usage(argv[0]);
}
} else if (i <= argc && strcmp(argv[i], "--pid") == 0) {
i++;
pid = StringToUint64OrDie(argv[i]);
} else if (i <= argc && strcmp(argv[i], "--timestamps") == 0) {
i++;
std::vector<std::string> ts_strings = base::SplitString(argv[i], ",");
for (const std::string& ts : ts_strings) {
timestamps.emplace_back(StringToUint64OrDie(ts.c_str()));
}
} else if (strcmp(argv[i], "--full-sort") == 0) {
full_sort = true;
} else {
positional_args.push_back(argv[i]);
}
}
if (positional_args.size() < 1)
return Usage(argv[0]);
std::istream* input_stream;
std::ifstream file_istream;
if (positional_args.size() > 1) {
const char* file_path = positional_args[1];
file_istream.open(file_path, std::ios_base::in | std::ios_base::binary);
if (!file_istream.is_open())
PERFETTO_FATAL("Could not open %s", file_path);
input_stream = &file_istream;
} else {
if (isatty(STDIN_FILENO)) {
PERFETTO_ELOG("Reading from stdin but it's connected to a TTY");
PERFETTO_LOG("It is unlikely that you want to type in some binary.");
PERFETTO_LOG("Either pass a file path to the cmdline or pipe stdin");
return Usage(argv[0]);
}
input_stream = &std::cin;
}
std::ostream* output_stream;
std::ofstream file_ostream;
if (positional_args.size() > 2) {
const char* file_path = positional_args[2];
file_ostream.open(file_path, std::ios_base::out | std::ios_base::trunc);
if (!file_ostream.is_open())
PERFETTO_FATAL("Could not open %s", file_path);
output_stream = &file_ostream;
} else {
output_stream = &std::cout;
}
std::string format(positional_args[0]);
if (format != "profile" && (pid != 0 || !timestamps.empty())) {
PERFETTO_ELOG(
"--pid and --timestamps are supported only for profile format.");
return 1;
}
if (format == "json")
return TraceToJson(input_stream, output_stream, /*compress=*/false,
truncate_keep, full_sort);
if (format == "systrace")
return TraceToSystrace(input_stream, output_stream, /*compress=*/false,
truncate_keep, full_sort);
if (format == "ctrace")
return TraceToSystrace(input_stream, output_stream, /*compress=*/true,
truncate_keep, full_sort);
if (truncate_keep != Keep::kAll) {
PERFETTO_ELOG(
"--truncate is unsupported for text|profile|symbolize format.");
return 1;
}
if (full_sort) {
PERFETTO_ELOG(
"--full-sort is unsupported for text|profile|symbolize format.");
return 1;
}
if (format == "text")
return TraceToText(input_stream, output_stream);
if (format == "profile")
return TraceToProfile(input_stream, output_stream, pid, timestamps);
if (format == "symbolize")
return SymbolizeProfile(input_stream, output_stream);
return Usage(argv[0]);
}
} // namespace
} // namespace trace_to_text
} // namespace perfetto
int main(int argc, char** argv) {
return perfetto::trace_to_text::Main(argc, argv);
}
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