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Benson Wong 7e3e94a08a proxy,ui: add performance monitoring with Prometheus metrics (#743)
Add a comprehensive performance monitoring system that collects CPU, memory, swap, load average, network IO, and GPU stats. Provides both a REST API for the UI and a Prometheus /metrics endpoint.

Backend changes:
- New internal/perf package with configurable interval-based stats collection
- GPU monitoring via LACT (Unix socket) and nvidia-smi fallback on Linux
- Ring buffer (internal/ring) for time-series stat storage
- Prometheus /metrics endpoint with all system and GPU metrics
- Moved LogMonitor to internal/logmon package
- New PerformanceConfig for hot-reloadable monitoring settings
- REST /api/performance endpoint replacing SSE streaming

UI changes:
- New Performance page with real-time charts for CPU, memory, GPU, and network
- Reusable PerformanceChart component
- LLAMA_SWAP_URL environment variable support
- Improved capture dialog display

Other:
- Example Grafana dashboard for Prometheus metrics
- monitor-test standalone binary
- Config schema and example updates

fixes #596
2026-05-09 13:29:22 -07:00

45 lines
746 B
Go

package ring
import "testing"
const benchCap = 600 // matches default MaxAge/Every (1min / 100ms)
func BenchmarkBuffer_PushNoWrap(b *testing.B) {
for b.Loop() {
buf := NewBuffer[int](b.N + 1)
for i := range b.N {
buf.Push(i)
}
}
}
func BenchmarkBuffer_PushWrap(b *testing.B) {
buf := NewBuffer[int](benchCap)
b.ResetTimer()
for i := range b.N {
buf.Push(i)
}
}
func BenchmarkBuffer_Slice(b *testing.B) {
buf := NewBuffer[int](benchCap)
for i := range benchCap {
buf.Push(i)
}
b.ResetTimer()
for range b.N {
_ = buf.Slice()
}
}
func BenchmarkBuffer_PushAndSlice(b *testing.B) {
buf := NewBuffer[int](benchCap)
b.ResetTimer()
for i := range b.N {
buf.Push(i)
if i%benchCap == 0 {
_ = buf.Slice()
}
}
}