/**
* Instruments profiling tools
*/
import type { ToolDefinition, ToolResult } from '../../shared/types.js';
import {
StartProfilingSchema,
StopProfilingSchema,
AnalyzeTraceSchema,
type StartProfilingInput,
type StopProfilingInput,
type AnalyzeTraceInput
} from '../../schemas/instruments.js';
/**
* Tool: Start profiling session
*/
export const startProfilingTool: ToolDefinition<typeof StartProfilingSchema> = {
name: 'instruments_start_profiling',
description: 'Start Instruments profiling session for an iOS app with Time Profiler, Allocations, and Leaks templates',
inputSchema: {
type: 'object',
properties: {
device_udid: {
type: 'string',
description: 'iOS simulator UDID'
},
bundle_id: {
type: 'string',
description: 'App bundle identifier (e.g., com.example.MyApp)'
},
templates: {
type: 'array',
items: {
type: 'string',
enum: ['time', 'allocations', 'leaks']
},
description: 'Profiling templates to use (default: ["time", "allocations", "leaks"])'
},
launch_args: {
type: 'array',
items: { type: 'string' },
description: 'Optional app launch arguments'
},
env_vars: {
type: 'object',
additionalProperties: { type: 'string' },
description: 'Optional environment variables'
}
},
required: ['device_udid', 'bundle_id']
},
schema: StartProfilingSchema,
handler: async (args: StartProfilingInput): Promise<ToolResult> => {
try {
// Validate input
const validated = StartProfilingSchema.parse(args);
// TODO: Implement actual profiling start logic
// For now, return placeholder response
const sessionId = `session-${Date.now()}-${Math.random().toString(36).substring(2, 9)}`;
const tracePath = `/tmp/instruments-traces/${sessionId}/recording.trace`;
const result = {
session_id: sessionId,
trace_path: tracePath,
pid: 0, // Placeholder
status: 'recording' as const
};
return {
content: [
{
type: 'text',
text: JSON.stringify(result, null, 2)
}
],
isError: false
};
} catch (error) {
return {
content: [
{
type: 'text',
text: `Error starting profiling: ${error instanceof Error ? error.message : String(error)}`
}
],
isError: true
};
}
}
};
/**
* Tool: Stop profiling session
*/
export const stopProfilingTool: ToolDefinition<typeof StopProfilingSchema> = {
name: 'instruments_stop_profiling',
description: 'Stop active Instruments profiling session and finalize trace file',
inputSchema: {
type: 'object',
properties: {
session_id: {
type: 'string',
description: 'Session ID from start_profiling'
}
},
required: ['session_id']
},
schema: StopProfilingSchema,
handler: async (args: StopProfilingInput): Promise<ToolResult> => {
try {
// Validate input
const validated = StopProfilingSchema.parse(args);
// TODO: Implement actual profiling stop logic
// For now, return placeholder response
const result = {
session_id: validated.session_id,
trace_path: `/tmp/instruments-traces/${validated.session_id}/recording.trace`,
duration_seconds: 0, // Placeholder
file_size_mb: 0, // Placeholder
status: 'completed' as const
};
return {
content: [
{
type: 'text',
text: JSON.stringify(result, null, 2)
}
],
isError: false
};
} catch (error) {
return {
content: [
{
type: 'text',
text: `Error stopping profiling: ${error instanceof Error ? error.message : String(error)}`
}
],
isError: true
};
}
}
};
/**
* Tool: Analyze trace file
*/
export const analyzeTraceTool: ToolDefinition<typeof AnalyzeTraceSchema> = {
name: 'instruments_analyze_trace',
description: 'Analyze Instruments trace file and return executive summary with top CPU hotspots, memory allocations, and leaks',
inputSchema: {
type: 'object',
properties: {
session_id: {
type: 'string',
description: 'Session ID from start_profiling'
},
trace_path: {
type: 'string',
description: 'Path to existing .trace file'
},
templates: {
type: 'array',
items: {
type: 'string',
enum: ['time', 'allocations', 'leaks']
},
description: 'Which templates to analyze (default: all)'
}
}
},
schema: AnalyzeTraceSchema,
handler: async (args: AnalyzeTraceInput): Promise<ToolResult> => {
try {
// Validate input
const validated = AnalyzeTraceSchema.parse(args);
// TODO: Implement actual trace analysis logic
// For now, return placeholder response
const result = {
summary: {
duration_seconds: 0,
templates_analyzed: validated.templates || ['time', 'allocations', 'leaks'],
trace_file_size_mb: 0
},
time_profiler: {
total_cpu_time_ms: 0,
heaviest_stack_trace: '',
top_10_symbols: []
},
allocations: {
peak_memory_mb: 0,
total_allocations: 0,
living_allocations: 0,
top_10_allocations: []
},
leaks: {
total_leaked_mb: 0,
leak_count: 0,
leaks: []
}
};
return {
content: [
{
type: 'text',
text: JSON.stringify(result, null, 2)
}
],
isError: false
};
} catch (error) {
return {
content: [
{
type: 'text',
text: `Error analyzing trace: ${error instanceof Error ? error.message : String(error)}`
}
],
isError: true
};
}
}
};
