xref: /titanic_41/usr/src/cmd/rcap/common/rcapd_stat.h (revision 5aefb6555731130ca4fd295960123d71f2d21fe8)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_RCAPD_STAT_H
28 #define	_RCAPD_STAT_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * Default path to statistics file
38  */
39 #define	STAT_FILE_DIR	"/var/run/daemon"
40 #define	STAT_FILE_DEFAULT	STAT_FILE_DIR	"/rcap.stat"
41 
42 /*
43  * Statistics file header.
44  */
45 #define	RC_MODE_LEN	16
46 typedef struct rcapd_stat_hdr {
47 	pid_t		rs_pid;			/* pid of producer */
48 	hrtime_t	rs_time;		/* time recorded */
49 
50 	/*
51 	 * Physical memory pressure statistics, in percent.
52 	 */
53 	uint32_t	rs_pressure_cur;	/* current memory pressure */
54 	uint32_t	rs_pressure_cap;	/* minimum cap enforcement p. */
55 
56 	uint64_t	rs_pressure_sample;	/* count of pr. samplings */
57 	char		rs_mode[RC_MODE_LEN];	/* mode ("project" only) */
58 } rcapd_stat_hdr_t;
59 
60 extern pid_t stat_get_rcapd_pid(char *);
61 
62 #ifdef	__cplusplus
63 }
64 #endif
65 
66 #endif	/* _RCAPD_STAT_H */
67