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profile: add profile_finish_ts #17636

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profile: add profile_finish_ts #17636

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1 change: 1 addition & 0 deletions site/en/advanced/performance/json-trace-profile.md
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,7 @@ Example:
"otherData": {
"build_id": "101bff9a-7243-4c1a-8503-9dc6ae4c3b05",
"date": "Wed Oct 26 08:22:35 CEST 2022",
"profile_finish_ts": "1677666095162000",
"output_base": "/usr/local/google/_bazel_johndoe/573d4be77eaa72b91a3dfaa497bf8cd0"
},
"traceEvents": [
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5 changes: 4 additions & 1 deletion src/main/java/com/google/devtools/build/lib/profiler/JsonTraceFileWriter.java
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Expand Up @@ -24,6 +24,7 @@
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.time.Instant;
import java.util.Date;
import java.util.HashMap;
import java.util.UUID;
Expand Down Expand Up @@ -172,13 +173,15 @@ public void run() {
// The buffer size of 262144 is chosen at random.
new OutputStreamWriter(
new BufferedOutputStream(outStream, 262144), StandardCharsets.UTF_8))) {
var finishDate = Instant.now();
writer.beginObject();
writer.name("otherData");
writer.beginObject();
writer.name("bazel_version").value(BlazeVersionInfo.instance().getReleaseName());
writer.name("build_id").value(buildID.toString());
writer.name("output_base").value(outputBase);
writer.name("date").value(new Date().toString());
writer.name("date").value(finishDate.toString());
writer.name("profile_finish_ts").value(finishDate.getEpochSecond() * 1000);
writer.endObject();
writer.name("traceEvents");
writer.beginArray();
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