Mainly focus on files that use BSD 2-Clause license, however the tool I was using mis-identified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
443 lines
8.9 KiB
C
443 lines
8.9 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2005 Robert N. M. Watson
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "memstat.h"
|
|
#include "memstat_internal.h"
|
|
|
|
const char *
|
|
memstat_strerror(int error)
|
|
{
|
|
|
|
switch (error) {
|
|
case MEMSTAT_ERROR_NOMEMORY:
|
|
return ("Cannot allocate memory");
|
|
case MEMSTAT_ERROR_VERSION:
|
|
return ("Version mismatch");
|
|
case MEMSTAT_ERROR_PERMISSION:
|
|
return ("Permission denied");
|
|
case MEMSTAT_ERROR_DATAERROR:
|
|
return ("Data format error");
|
|
case MEMSTAT_ERROR_KVM:
|
|
return ("KVM error");
|
|
case MEMSTAT_ERROR_KVM_NOSYMBOL:
|
|
return ("KVM unable to find symbol");
|
|
case MEMSTAT_ERROR_KVM_SHORTREAD:
|
|
return ("KVM short read");
|
|
case MEMSTAT_ERROR_UNDEFINED:
|
|
default:
|
|
return ("Unknown error");
|
|
}
|
|
}
|
|
|
|
struct memory_type_list *
|
|
memstat_mtl_alloc(void)
|
|
{
|
|
struct memory_type_list *mtlp;
|
|
|
|
mtlp = malloc(sizeof(*mtlp));
|
|
if (mtlp == NULL)
|
|
return (NULL);
|
|
|
|
LIST_INIT(&mtlp->mtl_list);
|
|
mtlp->mtl_error = MEMSTAT_ERROR_UNDEFINED;
|
|
return (mtlp);
|
|
}
|
|
|
|
struct memory_type *
|
|
memstat_mtl_first(struct memory_type_list *list)
|
|
{
|
|
|
|
return (LIST_FIRST(&list->mtl_list));
|
|
}
|
|
|
|
struct memory_type *
|
|
memstat_mtl_next(struct memory_type *mtp)
|
|
{
|
|
|
|
return (LIST_NEXT(mtp, mt_list));
|
|
}
|
|
|
|
void
|
|
_memstat_mtl_empty(struct memory_type_list *list)
|
|
{
|
|
struct memory_type *mtp;
|
|
|
|
while ((mtp = LIST_FIRST(&list->mtl_list))) {
|
|
free(mtp->mt_percpu_alloc);
|
|
free(mtp->mt_percpu_cache);
|
|
LIST_REMOVE(mtp, mt_list);
|
|
free(mtp);
|
|
}
|
|
}
|
|
|
|
void
|
|
memstat_mtl_free(struct memory_type_list *list)
|
|
{
|
|
|
|
_memstat_mtl_empty(list);
|
|
free(list);
|
|
}
|
|
|
|
int
|
|
memstat_mtl_geterror(struct memory_type_list *list)
|
|
{
|
|
|
|
return (list->mtl_error);
|
|
}
|
|
|
|
/*
|
|
* Look for an existing memory_type entry in a memory_type list, based on the
|
|
* allocator and name of the type. If not found, return NULL. No errno or
|
|
* memstat error.
|
|
*/
|
|
struct memory_type *
|
|
memstat_mtl_find(struct memory_type_list *list, int allocator,
|
|
const char *name)
|
|
{
|
|
struct memory_type *mtp;
|
|
|
|
LIST_FOREACH(mtp, &list->mtl_list, mt_list) {
|
|
if ((mtp->mt_allocator == allocator ||
|
|
allocator == ALLOCATOR_ANY) &&
|
|
strcmp(mtp->mt_name, name) == 0)
|
|
return (mtp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Allocate a new memory_type with the specificed allocator type and name,
|
|
* then insert into the list. The structure will be zero'd.
|
|
*
|
|
* libmemstat(3) internal function.
|
|
*/
|
|
struct memory_type *
|
|
_memstat_mt_allocate(struct memory_type_list *list, int allocator,
|
|
const char *name, int maxcpus)
|
|
{
|
|
struct memory_type *mtp;
|
|
|
|
mtp = malloc(sizeof(*mtp));
|
|
if (mtp == NULL)
|
|
return (NULL);
|
|
|
|
bzero(mtp, sizeof(*mtp));
|
|
|
|
mtp->mt_allocator = allocator;
|
|
mtp->mt_percpu_alloc = malloc(sizeof(struct mt_percpu_alloc_s) *
|
|
maxcpus);
|
|
mtp->mt_percpu_cache = malloc(sizeof(struct mt_percpu_cache_s) *
|
|
maxcpus);
|
|
strlcpy(mtp->mt_name, name, MEMTYPE_MAXNAME);
|
|
LIST_INSERT_HEAD(&list->mtl_list, mtp, mt_list);
|
|
return (mtp);
|
|
}
|
|
|
|
/*
|
|
* Reset any libmemstat(3)-owned statistics in a memory_type record so that
|
|
* it can be reused without incremental addition problems. Caller-owned
|
|
* memory is left "as-is", and must be updated by the caller if desired.
|
|
*
|
|
* libmemstat(3) internal function.
|
|
*/
|
|
void
|
|
_memstat_mt_reset_stats(struct memory_type *mtp, int maxcpus)
|
|
{
|
|
int i;
|
|
|
|
mtp->mt_countlimit = 0;
|
|
mtp->mt_byteslimit = 0;
|
|
mtp->mt_sizemask = 0;
|
|
mtp->mt_size = 0;
|
|
|
|
mtp->mt_memalloced = 0;
|
|
mtp->mt_memfreed = 0;
|
|
mtp->mt_numallocs = 0;
|
|
mtp->mt_numfrees = 0;
|
|
mtp->mt_bytes = 0;
|
|
mtp->mt_count = 0;
|
|
mtp->mt_free = 0;
|
|
mtp->mt_failures = 0;
|
|
mtp->mt_sleeps = 0;
|
|
|
|
mtp->mt_zonefree = 0;
|
|
mtp->mt_kegfree = 0;
|
|
|
|
for (i = 0; i < maxcpus; i++) {
|
|
mtp->mt_percpu_alloc[i].mtp_memalloced = 0;
|
|
mtp->mt_percpu_alloc[i].mtp_memfreed = 0;
|
|
mtp->mt_percpu_alloc[i].mtp_numallocs = 0;
|
|
mtp->mt_percpu_alloc[i].mtp_numfrees = 0;
|
|
mtp->mt_percpu_alloc[i].mtp_sizemask = 0;
|
|
mtp->mt_percpu_cache[i].mtp_free = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Accessor methods for struct memory_type. Avoids encoding the structure
|
|
* ABI into the application.
|
|
*/
|
|
const char *
|
|
memstat_get_name(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_name);
|
|
}
|
|
|
|
int
|
|
memstat_get_allocator(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_allocator);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_countlimit(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_countlimit);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_byteslimit(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_byteslimit);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_sizemask(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_sizemask);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_size(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_size);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_rsize(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_rsize);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_memalloced(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_memalloced);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_memfreed(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_memfreed);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_numallocs(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_numallocs);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_numfrees(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_numfrees);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_bytes(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_bytes);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_count(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_count);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_free(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_free);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_failures(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_failures);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_sleeps(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_sleeps);
|
|
}
|
|
|
|
void *
|
|
memstat_get_caller_pointer(const struct memory_type *mtp, int index)
|
|
{
|
|
|
|
return (mtp->mt_caller_pointer[index]);
|
|
}
|
|
|
|
void
|
|
memstat_set_caller_pointer(struct memory_type *mtp, int index, void *value)
|
|
{
|
|
|
|
mtp->mt_caller_pointer[index] = value;
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_caller_uint64(const struct memory_type *mtp, int index)
|
|
{
|
|
|
|
return (mtp->mt_caller_uint64[index]);
|
|
}
|
|
|
|
void
|
|
memstat_set_caller_uint64(struct memory_type *mtp, int index, uint64_t value)
|
|
{
|
|
|
|
mtp->mt_caller_uint64[index] = value;
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_zonefree(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_zonefree);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_kegfree(const struct memory_type *mtp)
|
|
{
|
|
|
|
return (mtp->mt_kegfree);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_memalloced(const struct memory_type *mtp, int cpu)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_memalloced);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_memfreed(const struct memory_type *mtp, int cpu)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_memfreed);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_numallocs(const struct memory_type *mtp, int cpu)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_numallocs);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_numfrees(const struct memory_type *mtp, int cpu)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_numfrees);
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_sizemask(const struct memory_type *mtp, int cpu)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_sizemask);
|
|
}
|
|
|
|
void *
|
|
memstat_get_percpu_caller_pointer(const struct memory_type *mtp, int cpu,
|
|
int index)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_caller_pointer[index]);
|
|
}
|
|
|
|
void
|
|
memstat_set_percpu_caller_pointer(struct memory_type *mtp, int cpu,
|
|
int index, void *value)
|
|
{
|
|
|
|
mtp->mt_percpu_alloc[cpu].mtp_caller_pointer[index] = value;
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_caller_uint64(const struct memory_type *mtp, int cpu,
|
|
int index)
|
|
{
|
|
|
|
return (mtp->mt_percpu_alloc[cpu].mtp_caller_uint64[index]);
|
|
}
|
|
|
|
void
|
|
memstat_set_percpu_caller_uint64(struct memory_type *mtp, int cpu, int index,
|
|
uint64_t value)
|
|
{
|
|
|
|
mtp->mt_percpu_alloc[cpu].mtp_caller_uint64[index] = value;
|
|
}
|
|
|
|
uint64_t
|
|
memstat_get_percpu_free(const struct memory_type *mtp, int cpu)
|
|
{
|
|
|
|
return (mtp->mt_percpu_cache[cpu].mtp_free);
|
|
}
|