usr/src/cmd/rcap/common/rcapd_stat.h

   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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _RCAPD_STAT_H
  27 #define _RCAPD_STAT_H
  28
  29 #pragma ident   "%Z%%M% %I%     %E% SMI"
  30
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 /*
  36  * Default path to statistics file
  37  */
  38 #define STAT_FILE_DIR   "/var/run/daemon"
  39 #define STAT_FILE_DEFAULT       STAT_FILE_DIR   "/rcap.stat"
  40
  41 /*
  42  * Statistics file header.
  43  */
  44 #define RC_MODE_LEN     16
  45 typedef struct rcapd_stat_hdr {
  46         /*
  47          * sizeof pid_t can vary, so we use a fixed 64-bit quantity.
  48          */
  49         uint64_t        rs_pid;                 /* pid of producer */
  50         hrtime_t        rs_time;                /* time recorded */
  51
  52         /*
  53          * Physical memory pressure statistics, in percent.
  54          */
  55         uint32_t        rs_pressure_cur;        /* current memory pressure */
  56         uint32_t        rs_pressure_cap;        /* minimum cap enforcement p. */
  57
  58         uint64_t        rs_pressure_sample;     /* count of pr. samplings */
  59         char            rs_mode[RC_MODE_LEN];   /* mode ("project" only) */
  60 } rcapd_stat_hdr_t;
  61
  62 extern pid_t stat_get_rcapd_pid(char *);
  63
  64 #ifdef  __cplusplus
  65 }
  66 #endif
  67
  68 #endif  /* _RCAPD_STAT_H */