php-fpm.conf.xml

<?xml version="1.0" ?>
<configuration>
	<section name="global_options">
		<value name="pid_file">/var/run/php-fpm.pid</value>
		<value name="error_log">/var/log/php-fpm.log</value>
		<value name="log_level">notice</value>
		<value name="emergency_restart_threshold">10</value>
		<value name="emergency_restart_interval">1m</value>
		<value name="process_control_timeout">5s</value>
		<value name="daemonize">yes</value>
	</section>

	<workers>
		<section name="pool">
			<value name="name">main_pool</value>
			<value name="listen_address">127.0.0.1:9000</value>
			<value name="listen_options">
				<value name="backlog">-1</value>
				<value name="owner"></value>
				<value name="group"></value>
				<value name="mode">0666</value>
			</value>

			<value name="user">apache</value>
			<value name="group">apache</value>

			<value name="pm">
				<value name="style">apache-like</value>
				<value name="max_children">50</value>
				<value name="apache_like">
					<value name="StartServers">20</value>
					<value name="MinSpareServers">5</value>
					<value name="MaxSpareServers">35</value>
				</value>
			</value>

			<value name="request_terminate_timeout">0s</value>
			<value name="request_slowlog_timeout">0s</value>
			<value name="slowlog">logs/slow.log</value>
			<value name="rlimit_files">1024</value>
			<value name="rlimit_core">0</value>
			<value name="chroot"></value>
			<value name="chdir"></value>
			<value name="catch_workers_output">yes</value>
			<value name="max_requests">500</value>
			<value name="allowed_clients">127.0.0.1</value>

			<value name="environment">
				<value name="HOSTNAME">$HOSTNAME</value>
				<value name="PATH">/usr/local/bin:/usr/bin:/bin</value>
				<value name="TMP">/tmp</value>
				<value name="TMPDIR">/tmp</value>
				<value name="TEMP">/tmp</value>
				<value name="OSTYPE">$OSTYPE</value>
				<value name="MACHTYPE">$MACHTYPE</value>
				<value name="MALLOC_CHECK_">2</value>
			</value>
		</section>

		<section name="pool">
			<value name="name">render_pool</value>
			<value name="listen_address">127.0.0.1:9001</value>
			<value name="listen_options">
				<value name="backlog">-1</value>
				<value name="owner"></value>
				<value name="group"></value>
				<value name="mode">0666</value>
			</value>

			<value name="user">apache</value>
			<value name="group">apache</value>

			<value name="pm">
				<value name="style">apache-like</value>
				<value name="max_children">10</value>
				<value name="apache_like">
					<value name="StartServers">5</value>
					<value name="MinSpareServers">2</value>
					<value name="MaxSpareServers">4</value>
				</value>
			</value>

			<value name="request_terminate_timeout">0s</value>
			<value name="request_slowlog_timeout">0s</value>
			<value name="slowlog">logs/slow.log</value>
			<value name="rlimit_files">1024</value>
			<value name="rlimit_core">0</value>
			<value name="chroot"></value>
			<value name="chdir"></value>
			<value name="catch_workers_output">yes</value>
			<value name="max_requests">1</value>
			<value name="allowed_clients">127.0.0.1</value>

			<value name="environment">
				<value name="HOSTNAME">$HOSTNAME</value>
				<value name="PATH">/usr/local/bin:/usr/bin:/bin</value>
				<value name="TMP">/tmp</value>
				<value name="TMPDIR">/tmp</value>
				<value name="TEMP">/tmp</value>
				<value name="OSTYPE">$OSTYPE</value>
				<value name="MACHTYPE">$MACHTYPE</value>
				<value name="MALLOC_CHECK_">2</value>
			</value>
		</section>
	</workers>
</configuration>

After php5.2, turn on the monitoring option pm.status_path.

How to turn on status monitoring in version 5.2 of PHP?