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[6.5.0] Add profiling to remoteActionBuildingSemaphore.acquire() #20549

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Dec 15, 2023
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[6.5.0] Add profiling to remoteActionBuildingSemaphore.acquire() #20549

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10 changes: 8 additions & 2 deletions src/main/java/com/google/devtools/build/lib/remote/RemoteExecutionService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -517,7 +517,10 @@ private ToolSignature getToolSignature(Spawn spawn, SpawnExecutionContext contex
/** Creates a new {@link RemoteAction} instance from spawn. */
public RemoteAction buildRemoteAction(Spawn spawn, SpawnExecutionContext context)
throws IOException, ExecException, ForbiddenActionInputException, InterruptedException {
remoteActionBuildingSemaphore.acquire();
try (SilentCloseable c =
Profiler.instance().profile(ProfilerTask.REMOTE_SETUP, "acquiring semaphore")) {
remoteActionBuildingSemaphore.acquire();
}
try {
ToolSignature toolSignature = getToolSignature(spawn, context);
final MerkleTree merkleTree = buildInputMerkleTree(spawn, context, toolSignature);
Expand Down Expand Up @@ -1460,7 +1463,10 @@ public void uploadInputsIfNotPresent(RemoteAction action, boolean force)
// concurrency. This prevents memory exhaustion. We assume that
// ensureInputsPresent() provides enough parallelism to saturate the
// network connection.
remoteActionBuildingSemaphore.acquire();
try (SilentCloseable c =
Profiler.instance().profile(ProfilerTask.UPLOAD_TIME, "acquiring semaphore")) {
remoteActionBuildingSemaphore.acquire();
}
try {
MerkleTree merkleTree = action.getMerkleTree();
if (merkleTree == null) {
Expand Down