scirs2_core/advanced_jit_compilation_impl/
profiler.rs

1//! JIT profiler for performance analysis
2
3use crate::advanced_jit_compilation::config::{
4    JitCompilerConfig, ProfilerConfig, ProfilingSessionConfig,
5};
6use crate::advanced_jit_compilation::llvm_engine::{CodeSizeMetrics, CompilationError};
7use crate::error::CoreResult;
8use std::collections::HashMap;
9use std::time::{Duration, Instant};
10
11/// JIT profiler for performance analysis
12#[derive(Debug)]
13pub struct JitProfiler {
14    /// Compilation profiles
15    #[allow(dead_code)]
16    compilation_profiles: HashMap<String, CompilationProfile>,
17    /// Execution profiles
18    #[allow(dead_code)]
19    execution_profiles: HashMap<String, ExecutionProfile>,
20    /// Profiling configuration
21    #[allow(dead_code)]
22    config: ProfilerConfig,
23    /// Active profiling sessions
24    #[allow(dead_code)]
25    active_sessions: HashMap<String, ProfilingSession>,
26}
27
28/// Compilation profile
29#[derive(Debug, Clone)]
30pub struct CompilationProfile {
31    /// Compilation times
32    pub compilation_times: Vec<Duration>,
33    /// Optimization effectiveness
34    pub optimization_effectiveness: HashMap<String, f64>,
35    /// Code size metrics
36    pub code_size_metrics: CodeSizeMetrics,
37    /// Compilation errors
38    pub compilationerrors: Vec<CompilationError>,
39}
40
41/// Execution profile
42#[derive(Debug, Clone)]
43pub struct ExecutionProfile {
44    /// Execution times
45    pub execution_times: Vec<Duration>,
46    /// Performance counters
47    pub performance_counters: PerformanceCounters,
48    /// Hotspot analysis
49    pub hotspots: Vec<Hotspot>,
50    /// Optimization opportunities
51    pub optimization_opportunities: Vec<OptimizationOpportunity>,
52}
53
54/// Performance counters
55#[derive(Debug, Clone)]
56pub struct PerformanceCounters {
57    /// CPU cycles
58    pub cpu_cycles: u64,
59    /// Instructions executed
60    pub instructions: u64,
61    /// Branch mispredictions
62    pub branch_misses: u64,
63    /// Cache misses
64    pub cache_misses: u64,
65    /// Memory bandwidth utilization
66    pub memorybandwidth: f64,
67}
68
69/// Hotspot information
70#[derive(Debug, Clone)]
71pub struct Hotspot {
72    /// Function name
73    pub function_name: String,
74    /// Execution percentage
75    pub execution_percentage: f64,
76    /// Call count
77    pub call_count: u64,
78    /// Average duration
79    pub avg_duration: Duration,
80    /// Optimization suggestions
81    pub suggestions: Vec<String>,
82}
83
84/// Optimization opportunity
85#[derive(Debug, Clone)]
86pub struct OptimizationOpportunity {
87    /// Opportunity type
88    pub opportunity_type: OpportunityType,
89    /// Potential improvement
90    pub potential_improvement: f64,
91    /// Implementation complexity
92    pub complexity: ComplexityLevel,
93    /// Description
94    pub description: String,
95}
96
97/// Types of optimization opportunities
98#[derive(Debug, Clone)]
99pub enum OpportunityType {
100    Vectorization,
101    LoopUnrolling,
102    MemoryAccessOptimization,
103    BranchOptimization,
104    InstructionLevelParallelism,
105    DataLayoutOptimization,
106}
107
108/// Complexity levels for implementing optimizations
109#[derive(Debug, Clone)]
110pub enum ComplexityLevel {
111    Low,
112    Medium,
113    High,
114    Expert,
115}
116
117/// Active profiling session
118#[derive(Debug)]
119pub struct ProfilingSession {
120    /// Session ID
121    pub sessionid: String,
122    /// Start time
123    pub start_time: Instant,
124    /// Collected samples
125    pub samples: Vec<ProfilingSample>,
126    /// Session configuration
127    pub config: ProfilingSessionConfig,
128}
129
130/// Profiling sample
131#[derive(Debug, Clone)]
132pub struct ProfilingSample {
133    /// Timestamp
134    pub timestamp: Instant,
135    /// Function name
136    pub function_name: String,
137    /// Performance metrics
138    pub metrics: PerformanceCounters,
139    /// Stack trace
140    pub stack_trace: Vec<String>,
141}
142
143/// Profiler analytics
144#[derive(Debug, Clone)]
145pub struct ProfilerAnalytics {
146    /// Total profiling sessions
147    pub total_sessions: u64,
148    /// Average execution time
149    pub avgexecution_time: Duration,
150    /// Hotspot functions
151    pub hotspots: Vec<Hotspot>,
152    /// Optimization opportunities
153    pub opportunities: Vec<OptimizationOpportunity>,
154}
155
156impl JitProfiler {
157    pub fn new(config: &JitCompilerConfig) -> CoreResult<Self> {
158        Ok(Self {
159            compilation_profiles: HashMap::new(),
160            execution_profiles: HashMap::new(),
161            config: ProfilerConfig {
162                enable_execution_profiling: true,
163                enable_compilation_profiling: true,
164                samplingrate: 0.1,
165                retention_hours: 24,
166                enable_hotspot_detection: true,
167                hotspot_threshold: 0.05,
168            },
169            active_sessions: HashMap::new(),
170        })
171    }
172
173    pub fn start_profiling(&mut self, _kernelname: &str) -> CoreResult<()> {
174        // Simplified implementation
175        Ok(())
176    }
177
178    pub fn record_execution(
179        &mut self,
180        _kernel_name: &str,
181        execution_time: Duration,
182    ) -> CoreResult<()> {
183        // Simplified implementation
184        Ok(())
185    }
186
187    pub fn get_analytics(&self) -> ProfilerAnalytics {
188        ProfilerAnalytics {
189            total_sessions: 0,
190            avgexecution_time: Duration::from_micros(100),
191            hotspots: vec![],
192            opportunities: vec![],
193        }
194    }
195}
scirs2_core/advanced_jit_compilation_impl/profiler.rs

scirs2_core/advanced_jit_compilation_impl/
profiler.rs
