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executable file
·274 lines (229 loc) · 8.76 KB
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#!/bin/bash
# 获取所有 httpd 进程的 PID(通过 /opt/lampp/bin/httpd 匹配)
HTTPD_PIDS=$(pgrep -f "/opt/lampp/bin/httpd")
# 获取所有 mysqld 进程的 PID
MYSQLD_PIDS=$(pgrep mysqld)
# 转换为数组
HTTPD_PIDS_ARRAY=($HTTPD_PIDS)
MYSQLD_PIDS_ARRAY=($MYSQLD_PIDS)
echo "追踪的 httpd 进程 PIDs: $HTTPD_PIDS"
echo "追踪的 mysqld 进程 PIDs: $MYSQLD_PIDS"
# 构建 PID 过滤条件(返回不带结束/的过滤器,以便组合)
build_pid_filter() {
local pids=("$@")
if [ ${#pids[@]} -eq 0 ]; then
echo "/false/"
return
fi
local filter="/(pid == ${pids[0]}"
for ((i=1; i<${#pids[@]}; i++)); do
filter="$filter || pid == ${pids[$i]}"
done
echo "$filter)/"
}
# 构建不带斜杠的 PID 条件(用于组合其他条件)
build_pid_condition() {
local pids=("$@")
if [ ${#pids[@]} -eq 0 ]; then
echo "false"
return
fi
local condition="(pid == ${pids[0]}"
for ((i=1; i<${#pids[@]}; i++)); do
condition="$condition || pid == ${pids[$i]}"
done
echo "$condition)"
}
# 生成 httpd 和 mysqld 的过滤条件
HTTPD_FILTER=$(build_pid_filter "${HTTPD_PIDS_ARRAY[@]}")
MYSQLD_FILTER=$(build_pid_filter "${MYSQLD_PIDS_ARRAY[@]}")
# 生成不带斜杠的条件(用于 sys_exit 探针)
HTTPD_CONDITION=$(build_pid_condition "${HTTPD_PIDS_ARRAY[@]}")
MYSQLD_CONDITION=$(build_pid_condition "${MYSQLD_PIDS_ARRAY[@]}")
echo "HTTPD 过滤条件: $HTTPD_FILTER"
echo "MYSQLD 过滤条件: $MYSQLD_FILTER"
# 生成动态磁盘追踪脚本
cat > /tmp/trace_disk_dynamic.bt <<EOF
#!/usr/bin/env bpftrace
BEGIN {
printf("开始追踪磁盘操作...\n");
}
tracepoint:block:block_rq_issue
$HTTPD_FILTER
{
@disk_ops_httpd[comm, pid] = count();
@disk_bytes_httpd[comm, pid] = sum(args->bytes);
@total_disk_ops_httpd = @total_disk_ops_httpd + 1;
@total_disk_bytes_httpd = @total_disk_bytes_httpd + args->bytes;
}
tracepoint:block:block_rq_issue
$MYSQLD_FILTER
{
@disk_ops_mysqld[comm, pid] = count();
@disk_bytes_mysqld[comm, pid] = sum(args->bytes);
@total_disk_ops_mysqld = @total_disk_ops_mysqld + 1;
@total_disk_bytes_mysqld = @total_disk_bytes_mysqld + args->bytes;
}
// 每15秒输出一次统计结果
interval:s:15
{
printf("\n=== 磁盘操作统计 [%s] ===\n", strftime("%H:%M:%S", nsecs));
printf("\nHTTPD 磁盘操作次数(最近15秒):\n");
print(@disk_ops_httpd);
printf("\nHTTPD 磁盘操作字节(最近15秒):\n");
print(@disk_bytes_httpd);
printf("\nMYSQLD 磁盘操作次数(最近15秒):\n");
print(@disk_ops_mysqld);
printf("\nMYSQLD 磁盘操作字节(最近15秒):\n");
print(@disk_bytes_mysqld);
printf("==============================\n");
clear(@disk_ops_httpd);
clear(@disk_bytes_httpd);
clear(@disk_ops_mysqld);
clear(@disk_bytes_mysqld);
}
END {
printf("\n=== 最终磁盘操作统计 ===\n");
printf("\nHTTPD 各进程磁盘操作次数:\n");
print(@disk_ops_httpd);
printf("\nHTTPD 各进程磁盘操作字节:\n");
print(@disk_bytes_httpd);
printf("\nMYSQLD 各进程磁盘操作次数:\n");
print(@disk_ops_mysqld);
printf("\nMYSQLD 各进程磁盘操作字节:\n");
print(@disk_bytes_mysqld);
printf("\n--- 汇总统计 ---\n");
printf("所有 HTTPD 进程磁盘操作总次数: %lld\n", @total_disk_ops_httpd);
printf("所有 HTTPD 进程磁盘操作总字节: %lld\n", @total_disk_bytes_httpd);
printf("所有 MYSQLD 进程磁盘操作总次数: %lld\n", @total_disk_ops_mysqld);
printf("所有 MYSQLD 进程磁盘操作总字节: %lld\n", @total_disk_bytes_mysqld);
}
EOF
# 生成动态网络追踪脚本(追踪网卡驱动层)
cat > /tmp/trace_network_dynamic.bt <<EOF
#!/usr/bin/env bpftrace
BEGIN {
printf("开始追踪网络操作(网卡驱动层)...\n");
}
// 追踪发送数据包(网卡驱动层)
tracepoint:net:net_dev_queue
$HTTPD_FILTER
{
@net_send_httpd[comm, pid] = count();
@net_send_bytes_httpd[comm, pid] = sum(args->len);
@total_net_send_httpd = @total_net_send_httpd + 1;
@total_net_send_bytes_httpd = @total_net_send_bytes_httpd + args->len;
}
tracepoint:net:net_dev_queue
$MYSQLD_FILTER
{
@net_send_mysqld[comm, pid] = count();
@net_send_bytes_mysqld[comm, pid] = sum(args->len);
@total_net_send_mysqld = @total_net_send_mysqld + 1;
@total_net_send_bytes_mysqld = @total_net_send_bytes_mysqld + args->len;
}
// 追踪接收数据包(网卡驱动层)
tracepoint:net:netif_receive_skb
$HTTPD_FILTER
{
@net_recv_httpd[comm, pid] = count();
@net_recv_bytes_httpd[comm, pid] = sum(args->len);
@total_net_recv_httpd = @total_net_recv_httpd + 1;
@total_net_recv_bytes_httpd = @total_net_recv_bytes_httpd + args->len;
}
tracepoint:net:netif_receive_skb
$MYSQLD_FILTER
{
@net_recv_mysqld[comm, pid] = count();
@net_recv_bytes_mysqld[comm, pid] = sum(args->len);
@total_net_recv_mysqld = @total_net_recv_mysqld + 1;
@total_net_recv_bytes_mysqld = @total_net_recv_bytes_mysqld + args->len;
}
// 每15秒输出一次统计结果
interval:s:15
{
printf("\n=== 网络操作统计 [%s] ===\n", strftime("%H:%M:%S", nsecs));
printf("\nHTTPD 发送数据包次数(最近15秒):\n");
print(@net_send_httpd);
printf("\nHTTPD 发送字节数(最近15秒):\n");
print(@net_send_bytes_httpd);
printf("\nHTTPD 接收数据包次数(最近15秒):\n");
print(@net_recv_httpd);
printf("\nHTTPD 接收字节数(最近15秒):\n");
print(@net_recv_bytes_httpd);
printf("\nMYSQLD 发送数据包次数(最近15秒):\n");
print(@net_send_mysqld);
printf("\nMYSQLD 发送字节数(最近15秒):\n");
print(@net_send_bytes_mysqld);
printf("\nMYSQLD 接收数据包次数(最近15秒):\n");
print(@net_recv_mysqld);
printf("\nMYSQLD 接收字节数(最近15秒):\n");
print(@net_recv_bytes_mysqld);
printf("==============================\n");
clear(@net_send_httpd);
clear(@net_send_bytes_httpd);
clear(@net_recv_httpd);
clear(@net_recv_bytes_httpd);
clear(@net_send_mysqld);
clear(@net_send_bytes_mysqld);
clear(@net_recv_mysqld);
clear(@net_recv_bytes_mysqld);
}
END {
printf("\n=== 最终网络操作统计 ===\n");
printf("\nHTTPD 各进程发送数据包次数:\n");
print(@net_send_httpd);
printf("\nHTTPD 各进程发送字节数:\n");
print(@net_send_bytes_httpd);
printf("\nHTTPD 各进程接收数据包次数:\n");
print(@net_recv_httpd);
printf("\nHTTPD 各进程接收字节数:\n");
print(@net_recv_bytes_httpd);
printf("\nMYSQLD 各进程发送数据包次数:\n");
print(@net_send_mysqld);
printf("\nMYSQLD 各进程发送字节数:\n");
print(@net_send_bytes_mysqld);
printf("\nMYSQLD 各进程接收数据包次数:\n");
print(@net_recv_mysqld);
printf("\nMYSQLD 各进程接收字节数:\n");
print(@net_recv_bytes_mysqld);
printf("\n--- 汇总统计 ---\n");
printf("所有 HTTPD 进程发送数据包总次数: %lld\n", @total_net_send_httpd);
printf("所有 HTTPD 进程发送总字节数: %lld\n", @total_net_send_bytes_httpd);
printf("所有 HTTPD 进程接收数据包总次数: %lld\n", @total_net_recv_httpd);
printf("所有 HTTPD 进程接收总字节数: %lld\n", @total_net_recv_bytes_httpd);
printf("所有 MYSQLD 进程发送数据包总次数: %lld\n", @total_net_send_mysqld);
printf("所有 MYSQLD 进程发送总字节数: %lld\n", @total_net_send_bytes_mysqld);
printf("所有 MYSQLD 进程接收数据包总次数: %lld\n", @total_net_recv_mysqld);
printf("所有 MYSQLD 进程接收总字节数: %lld\n", @total_net_recv_bytes_mysqld);
}
EOF
echo "动态脚本已生成:"
echo " - /tmp/trace_disk_dynamic.bt"
echo " - /tmp/trace_network_dynamic.bt"
# 启动磁盘追踪
sudo BPFTRACE_STACK_SIZE=1024 bpftrace /tmp/trace_disk_dynamic.bt > disk_trace.log 2>&1 &
DISK_TRACE_PID=$!
# 启动网络追踪
sudo BPFTRACE_STACK_SIZE=1024 bpftrace /tmp/trace_network_dynamic.bt > network_trace.log 2>&1 &
NETWORK_TRACE_PID=$!
# 等待 bpftrace 启动
sleep 2
echo "追踪已启动,PID: disk=$DISK_TRACE_PID, network=$NETWORK_TRACE_PID"
# 运行测试(取消注释以启用)
/home/mangp/miniconda3/bin/python3 wordpress_concurrent_test.py --users=100
echo "停止追踪..."
# 停止两个 bpftrace 进程
sudo kill -INT $DISK_TRACE_PID
sudo kill -INT $NETWORK_TRACE_PID
# 等待进程结束
wait $DISK_TRACE_PID 2>/dev/null
wait $NETWORK_TRACE_PID 2>/dev/null
echo "追踪完成!"
echo "磁盘追踪日志: disk_trace.log"
echo "网络追踪日志: network_trace.log"
# 显示统计结果
echo -e "\n=== 磁盘操作统计 ==="
grep -E "(HTTPD|MYSQLD) 磁盘" disk_trace.log
echo -e "\n=== 网络操作统计 ==="
grep -E "(HTTPD|MYSQLD) 网络" network_trace.log