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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/include/devstat.h |
/* * Copyright (c) 1997, 1998 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/lib/libdevstat/devstat.h 175861 2008-01-31 16:55:12Z jhb $ */ #ifndef _DEVSTAT_H #define _DEVSTAT_H #include <sys/cdefs.h> #include <sys/devicestat.h> #include <sys/resource.h> #include <kvm.h> /* * Bumped every time we change the userland API. Hopefully this doesn't * happen very often! This should be bumped every time we have to * increment SHLIB_MAJOR in the libdevstat Makefile (for non-backwards * compatible API changes) and should also be bumped every time we make * backwards-compatible API changes, so application writers have a way to * determine when a particular feature is available. */ #define DEVSTAT_USER_API_VER 6 #define DEVSTAT_ERRBUF_SIZE 2048 /* size of the devstat library error string */ extern char devstat_errbuf[]; typedef enum { DEVSTAT_MATCH_NONE = 0x00, DEVSTAT_MATCH_TYPE = 0x01, DEVSTAT_MATCH_IF = 0x02, DEVSTAT_MATCH_PASS = 0x04 } devstat_match_flags; typedef enum { DSM_NONE, DSM_TOTAL_BYTES, DSM_TOTAL_BYTES_READ, DSM_TOTAL_BYTES_WRITE, DSM_TOTAL_TRANSFERS, DSM_TOTAL_TRANSFERS_READ, DSM_TOTAL_TRANSFERS_WRITE, DSM_TOTAL_TRANSFERS_OTHER, DSM_TOTAL_BLOCKS, DSM_TOTAL_BLOCKS_READ, DSM_TOTAL_BLOCKS_WRITE, DSM_KB_PER_TRANSFER, DSM_KB_PER_TRANSFER_READ, DSM_KB_PER_TRANSFER_WRITE, DSM_TRANSFERS_PER_SECOND, DSM_TRANSFERS_PER_SECOND_READ, DSM_TRANSFERS_PER_SECOND_WRITE, DSM_TRANSFERS_PER_SECOND_OTHER, DSM_MB_PER_SECOND, DSM_MB_PER_SECOND_READ, DSM_MB_PER_SECOND_WRITE, DSM_BLOCKS_PER_SECOND, DSM_BLOCKS_PER_SECOND_READ, DSM_BLOCKS_PER_SECOND_WRITE, DSM_MS_PER_TRANSACTION, DSM_MS_PER_TRANSACTION_READ, DSM_MS_PER_TRANSACTION_WRITE, DSM_SKIP, DSM_TOTAL_BYTES_FREE, DSM_TOTAL_TRANSFERS_FREE, DSM_TOTAL_BLOCKS_FREE, DSM_KB_PER_TRANSFER_FREE, DSM_MB_PER_SECOND_FREE, DSM_TRANSFERS_PER_SECOND_FREE, DSM_BLOCKS_PER_SECOND_FREE, DSM_MS_PER_TRANSACTION_OTHER, DSM_MS_PER_TRANSACTION_FREE, DSM_BUSY_PCT, DSM_QUEUE_LENGTH, DSM_MAX } devstat_metric; struct devstat_match { devstat_match_flags match_fields; devstat_type_flags device_type; int num_match_categories; }; struct devstat_match_table { const char * match_str; devstat_type_flags type; devstat_match_flags match_field; }; struct device_selection { u_int32_t device_number; char device_name[DEVSTAT_NAME_LEN]; int unit_number; int selected; u_int64_t bytes; int position; }; struct devinfo { struct devstat *devices; u_int8_t *mem_ptr; long generation; int numdevs; }; struct statinfo { long cp_time[CPUSTATES]; long tk_nin; long tk_nout; struct devinfo *dinfo; long double snap_time; }; typedef enum { DS_SELECT_ADD, DS_SELECT_ONLY, DS_SELECT_REMOVE, DS_SELECT_ADDONLY } devstat_select_mode; __BEGIN_DECLS int devstat_getnumdevs(kvm_t *kd); long devstat_getgeneration(kvm_t *kd); int devstat_getversion(kvm_t *kd); int devstat_checkversion(kvm_t *kd); int devstat_getdevs(kvm_t *kd, struct statinfo *stats); int devstat_selectdevs(struct device_selection **dev_select, int *num_selected, int *num_selections, long *select_generation, long current_generation, struct devstat *devices, int numdevs, struct devstat_match *matches, int num_matches, char **dev_selections, int num_dev_selections, devstat_select_mode select_mode, int maxshowdevs, int perf_select); int devstat_buildmatch(char *match_str, struct devstat_match **matches, int *num_matches); int devstat_compute_statistics(struct devstat *current, struct devstat *previous, long double etime, ...); long double devstat_compute_etime(struct bintime *cur_time, struct bintime *prev_time); __END_DECLS #endif /* _DEVSTAT_H */