chore: readme

README.md

@@ -43,6 +43,11 @@ Please see each tool's source directory for additional documentation
 * Node.js signal handlers that provide a way to shut down long-running application components
 gracefully on unhandled exceptions or interrupt signals.
 
+### CPU Profiler
+
+* Fastify server that controls a CPU profiler capable of generating `cpuprofile` snapshot files for
+  memory usage analysis.
+
 ### Logger
 
 * Standardized logger configuration using [pino](https://github.com/pinojs/pino)

src/profiler/server.ts

@@ -11,6 +11,9 @@ import Fastify, { FastifyInstance, FastifyPluginCallback, FastifyReply } from 'f
 import { Type, TypeBoxTypeProvider } from '@fastify/type-provider-typebox';
 import { initCpuProfiling, initHeapSnapshot, ProfilerInstance } from './inspector-util';
 
+const DurationSchema = Type.Number({ minimum: 0 });
+const SamplingIntervalSchema = Type.Optional(Type.Number({ minimum: 0 }));
+
 const CpuProfiler: FastifyPluginCallback<Record<never, never>, Server, TypeBoxTypeProvider> = (
   fastify,
   options,
@@ -23,8 +26,8 @@ const CpuProfiler: FastifyPluginCallback<Record<never, never>, Server, TypeBoxTy
     {
       schema: {
         querystring: Type.Object({
-          duration: Type.Number({ minimum: 0 }),
-          sampling_interval: Type.Optional(Type.Integer({ minimum: 0 })),
+          duration: DurationSchema,
+          sampling_interval: SamplingIntervalSchema,
         }),
       },
     },
@@ -76,7 +79,7 @@ const CpuProfiler: FastifyPluginCallback<Record<never, never>, Server, TypeBoxTy
     {
       schema: {
         querystring: Type.Object({
-          sampling_interval: Type.Optional(Type.Integer({ minimum: 0 })),
+          sampling_interval: SamplingIntervalSchema,
         }),
       },
     },