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46 lines
772 B
46 lines
772 B
#!/bin/bash
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# 获取 sledgert 进程的 PID
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SLEDGERT_PID=$(pgrep sledgert)
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if [ -z "$SLEDGERT_PID" ]; then
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echo "sledgert process not found!"
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exit 1
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fi
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# 启动 perf 监控
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sudo perf record -e cycles,instructions,cache-misses -p $SLEDGERT_PID -o perf.data &
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PERF_PID=$!
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# 确保 perf 已启动
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sleep 0.1
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# 记录开始时间（纳秒）
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start=$(date +%s%N)
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# 发送 HTTP 请求
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echo "10" | http :10000
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# 记录结束时间（纳秒）
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end=$(date +%s%N)
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# 计算耗时（纳秒）
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elapsed=$((end - start))
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# 转换为微秒
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elapsed_us=$((elapsed / 1000))
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echo "Elapsed time: ${elapsed_us} ?s"
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# 转换为毫秒
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elapsed_ms=$((elapsed / 1000000))
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echo "Elapsed time: ${elapsed_ms} ms"
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# 停止 perf 监控
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sudo pkill -INT -P $PERF_PID
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# 等待 perf 写入数据
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wait $PERF_PID
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# 显示 perf 报告
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sudo perf report -i perf.data
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