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package main
import (
"fmt"
"os"
"github.com/mimecast/dtail/internal/tools/benchmark"
"github.com/mimecast/dtail/internal/tools/pgo"
"github.com/mimecast/dtail/internal/tools/profile"
)
func main() {
if len(os.Args) < 2 {
printUsage()
os.Exit(1)
}
command := os.Args[1]
// Remove command from args for subcommand parsing
os.Args = append([]string{os.Args[0]}, os.Args[2:]...)
switch command {
case "profile":
if err := profile.Run(); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
case "benchmark":
if err := benchmark.Run(); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
case "pgo":
if err := pgo.Run(); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
case "help", "-h", "--help":
printUsage()
default:
fmt.Fprintf(os.Stderr, "Unknown command: %s\n", command)
printUsage()
os.Exit(1)
}
}
func printUsage() {
fmt.Println("dtail-tools - DTail performance analysis toolkit")
fmt.Println()
fmt.Println("Usage: dtail-tools <command> [options]")
fmt.Println()
fmt.Println("Commands:")
fmt.Println(" profile Run profiling on dtail commands")
fmt.Println(" benchmark Run benchmarks and manage baselines")
fmt.Println(" pgo Profile-Guided Optimization for dtail commands")
fmt.Println(" help Show this help message")
fmt.Println()
fmt.Println("Run 'dtail-tools <command> -h' for command-specific help")
}
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