xref: /aosp_15_r20/external/pigweed/pw_trace_tokenized/host_trace_time.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
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 //
16 
17 #include <chrono>
18 
19 #include "pw_trace_tokenized/config.h"
20 
21 using namespace std::chrono;
22 
23 namespace {
24 
25 auto start = steady_clock::now();
26 
27 }  // namespace
28 
29 // Define trace time as a counter for tests.
pw_trace_GetTraceTime()30 PW_TRACE_TIME_TYPE pw_trace_GetTraceTime() {
31   auto delta = steady_clock::now() - start;
32   return floor<microseconds>(delta).count();
33 }
34 
35 // Microsecond time source
pw_trace_GetTraceTimeTicksPerSecond()36 size_t pw_trace_GetTraceTimeTicksPerSecond() { return 1000000; }
37