1 // Copyright 2020 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 //==============================================================================
15 // BUID
16 // ninja -C out
17 // host_clang_debug/obj/pw_trace_tokenized/bin/trace_tokenized_example_basic
18 //
19 // RUN
20 // .out/host_clang_debug/obj/pw_trace_tokenized/bin/trace_tokenized_example_basic
21 // trace.bin
22 //
23 // DECODE
24 // python pw_trace_tokenized/py/trace_tokenized.py -i trace.bin -o trace.json
25 // ./out/host_clang_debug/obj/pw_trace_tokenized/bin/trace_tokenized_example_basic
26 //
27 // VIEW
28 // In chrome navigate to chrome://tracing, and load the trace.json file.
29 
30 #include "pw_log/log.h"
31 #include "pw_trace/example/sample_app.h"
32 #include "pw_trace_tokenized/example/trace_to_file.h"
33 
main(int argc,char ** argv)34 int main(int argc, char** argv) {  // Take filename as arg
35   if (argc != 2) {
36     PW_LOG_ERROR("Expected output file name as argument.\n");
37     return -1;
38   }
39 
40   // Enable tracing.
41   PW_TRACE_SET_ENABLED(true);
42 
43   // Dump trace data to the file passed in.
44   pw::trace::TraceToFile trace_to_file(argv[1]);
45 
46   PW_LOG_INFO("Running basic trace example...\n");
47   RunTraceSampleApp();
48   return 0;
49 }