profiling

Dec 14, 2025

Changes in this version

+ func ExitCodeFromRegressions(regressions []Regression) int

+ func FormatRegressions(regressions []Regression) string

+ func SaveBaseline(baseline *Baseline, path string) error

+ func Track(name string, fn func() error) error

+ func TrackResources(name string, fn func() error) error

+ func TrackWithContext(ctx context.Context, name string, fn func(context.Context) error) error

+ type Baseline struct

+ Benchmarks map[string]BenchmarkMetrics

+ Environment EnvironmentInfo

+ Timestamp time.Time

+ Version string

+ func LoadBaseline(path string) (*Baseline, error)

+ func NewBaseline(version string) *Baseline

+ func (b *Baseline) AddBenchmark(name string, metrics BenchmarkMetrics)

+ type BenchmarkMetrics struct

+ AllocedBytesPerOp float64

+ AllocsPerOp float64

+ MBPerSec float64

+ NsPerOp float64

+ type EnvironmentInfo struct

+ Arch string

+ GoVersion string

+ Hostname string

+ NumCPU int

+ OS string

+ func CaptureEnvironment() EnvironmentInfo

+ type Regression struct

+ BaselineValue float64

+ BenchmarkName string

+ CurrentValue float64

+ Metric string

+ PercentChange float64

+ Severity RegressionSeverity

+ Threshold float64

+ func DetectRegressions(baseline *Baseline, current *Baseline, thresholds RegressionThresholds) []Regression

+ type RegressionSeverity string

+ const SeverityCritical

+ const SeverityHigh

+ const SeverityLow

+ const SeverityMedium

+ type RegressionThresholds struct

+ AllocThreshold float64

+ MemoryThreshold float64

+ ThroughputThreshold float64

+ TimeThreshold float64

+ func DefaultThresholds() RegressionThresholds

+ type ResourceDelta struct

+ AllocDiff int64

+ Duration time.Duration

+ GoroutineDiff int

+ NumGCDiff uint32

+ PauseDiff uint64

+ SysDiff int64

+ TotalAllocDiff uint64

+ func (d ResourceDelta) LogDelta(operation string)

+ type ResourceSnapshot struct

+ Alloc uint64

+ Goroutines int

+ NumGC uint32

+ PauseTotalNs uint64

+ Sys uint64

+ Timestamp time.Time

+ TotalAlloc uint64

+ func CaptureResourceSnapshot() ResourceSnapshot

+ func (before ResourceSnapshot) Delta(after ResourceSnapshot) ResourceDelta

+ type RuntimeConfig struct

+ Addr string

+ ReadTimeout time.Duration

+ WriteTimeout time.Duration

+ func DefaultRuntimeConfig() RuntimeConfig

+ type RuntimeProfiler struct

+ func NewRuntimeProfiler(config RuntimeConfig) *RuntimeProfiler

+ func StartRuntimeProfiler(addr string) (*RuntimeProfiler, error)

+ func (rp *RuntimeProfiler) Addr() string

+ func (rp *RuntimeProfiler) Start(ctx context.Context) error

+ func (rp *RuntimeProfiler) Stop() error

+ type Timer struct

+ func NewTimer(name string) *Timer

+ func (t *Timer) Stop() time.Duration

+ func (t *Timer) StopWithError(err error) time.Duration

+ func (t *Timer) WithLabel(key string, value interface{}) *Timer

Oct 16, 2025

Changes in this version

+ type Config struct

+ BlockRate int

+ MutexFraction int

+ OutputDir string

+ Profiles []ProfileType

+ func AllProfilesConfig() Config

+ func DefaultConfig() Config

+ type ProfileInfo struct

+ Filename string

+ Size int64

+ Type ProfileType

+ type ProfileResults struct

+ Duration time.Duration

+ MemoryStats runtime.MemStats

+ OutputDir string

+ Profiles []ProfileInfo

+ type ProfileType string

+ const ProfileBlock

+ const ProfileCPU

+ const ProfileGoroutine

+ const ProfileMemory

+ const ProfileMutex

+ const ProfileTrace

+ type Profiler struct

+ func New(config Config) (*Profiler, error)

+ func (p *Profiler) GetResults() (*ProfileResults, error)

+ func (p *Profiler) Start() error

+ func (p *Profiler) Stop() error