You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
claude-code/src/main/java/com/claudecode/command/impl/PerformanceCommand.java

104 lines
4.3 KiB

package com.claudecode.command.impl;
import com.claudecode.command.CommandContext;
import com.claudecode.command.SlashCommand;
import com.claudecode.console.AnsiStyle;
import com.claudecode.telemetry.MetricsCollector;
/**
* /performance 命令 —— 性能统计。
*/
public class PerformanceCommand implements SlashCommand {
@Override
public String name() { return "performance"; }
@Override
public String description() { return "Show performance statistics"; }
@Override
public java.util.List<String> aliases() {
return java.util.List.of("perf");
}
@Override
public String execute(String args, CommandContext context) {
StringBuilder sb = new StringBuilder();
sb.append("\n").append(AnsiStyle.bold(" ⚡ Performance Statistics\n"));
sb.append(" ").append("─".repeat(40)).append("\n\n");
// JVM stats
Runtime runtime = Runtime.getRuntime();
long totalMem = runtime.totalMemory();
long freeMem = runtime.freeMemory();
long usedMem = totalMem - freeMem;
long maxMem = runtime.maxMemory();
sb.append(AnsiStyle.bold(" Memory\n"));
sb.append(" Used: ").append(formatBytes(usedMem)).append("\n");
sb.append(" Allocated: ").append(formatBytes(totalMem)).append("\n");
sb.append(" Max: ").append(formatBytes(maxMem)).append("\n");
sb.append(" Usage: ").append(memBar(usedMem, maxMem)).append("\n\n");
// Thread stats
int threadCount = Thread.activeCount();
sb.append(AnsiStyle.bold(" Threads\n"));
sb.append(" Active: ").append(threadCount).append("\n");
sb.append(" Available: ").append(runtime.availableProcessors()).append(" CPUs\n\n");
// GC stats
long gcCount = 0;
long gcTime = 0;
for (var gc : java.lang.management.ManagementFactory.getGarbageCollectorMXBeans()) {
gcCount += gc.getCollectionCount();
gcTime += gc.getCollectionTime();
}
sb.append(AnsiStyle.bold(" GC\n"));
sb.append(" Collections: ").append(gcCount).append("\n");
sb.append(" Total time: ").append(gcTime).append("ms\n\n");
// Metrics if available
if (context.agentLoop() != null) {
Object metricsObj = context.agentLoop().getToolContext().get("METRICS_COLLECTOR");
if (metricsObj instanceof MetricsCollector metrics) {
sb.append(AnsiStyle.bold(" Session Metrics\n"));
sb.append(" Duration: ").append(formatDuration(metrics.getSessionDurationSeconds())).append("\n");
var toolUsage = metrics.getToolUsage();
if (!toolUsage.isEmpty()) {
sb.append(" Tool calls: ").append(toolUsage.values().stream().mapToLong(Long::longValue).sum()).append("\n");
sb.append(" Top tools: ");
toolUsage.entrySet().stream()
.sorted(java.util.Map.Entry.<String, Long>comparingByValue().reversed())
.limit(3)
.forEach(e -> sb.append(e.getKey()).append("(").append(e.getValue()).append(") "));
sb.append("\n");
}
}
}
return sb.toString();
}
private String memBar(long used, long max) {
int barWidth = 20;
double ratio = (double) used / max;
int filled = (int) (ratio * barWidth);
String color = ratio > 0.8 ? AnsiStyle.red("█".repeat(filled))
: ratio > 0.5 ? AnsiStyle.yellow("█".repeat(filled))
: AnsiStyle.green("█".repeat(filled));
return "[" + color + "░".repeat(barWidth - filled) + "] " +
String.format("%.0f%%", ratio * 100);
}
private String formatBytes(long bytes) {
if (bytes >= 1_073_741_824) return String.format("%.1fGB", bytes / 1_073_741_824.0);
if (bytes >= 1_048_576) return String.format("%.0fMB", bytes / 1_048_576.0);
return String.format("%.0fKB", bytes / 1_024.0);
}
private String formatDuration(long seconds) {
if (seconds < 60) return seconds + "s";
if (seconds < 3600) return (seconds / 60) + "m " + (seconds % 60) + "s";
return (seconds / 3600) + "h " + ((seconds % 3600) / 60) + "m";
}
}