[llvm] [llvm]Add a simple Telemetry framework (PR #102323)
Thorsten Schütt via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 21 09:41:18 PDT 2024
================
@@ -0,0 +1,107 @@
+//===- llvm/Telemetry/Telemetry.h - Telemetry -------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TELEMETRY_TELEMETRY_H
+#define LLVM_TELEMETRY_TELEMETRY_H
+
+#include <chrono>
+#include <ctime>
+#include <memory>
+#include <optional>
+#include <string>
+
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/JSON.h"
+
+namespace llvm {
+namespace telemetry {
+
+using SteadyTimePoint = std::chrono::time_point<std::chrono::steady_clock>;
+
+struct TelemetryConfig {
+ // If true, telemetry will be enabled.
+ bool enable_telemetry;
+
+ // Additional destinations to send the logged entries.
+ // Could be stdout, stderr, or some local paths.
+ // Note: these are destinations are __in addition to__ whatever the default
+ // destination(s) are, as implemented by vendors.
+ std::vector<std::string> additional_destinations;
+};
+
+struct TelemetryEventStats {
+ // REQUIRED: Start time of event
+ SteadyTimePoint m_start;
+ // OPTIONAL: End time of event - may be empty if not meaningful.
+ std::optional<SteadyTimePoint> m_end;
+ // TBD: could add some memory stats here too?
+
+ TelemetryEventStats() = default;
+ TelemetryEventStats(SteadyTimePoint start) : m_start(start) {}
+ TelemetryEventStats(SteadyTimePoint start, SteadyTimePoint end)
+ : m_start(start), m_end(end) {}
+
+ std::string ToString() const;
----------------
tschuett wrote:
I would call it a `Consumer` base class to avoid the connection to serialization.
https://github.com/llvm/llvm-project/pull/102323
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