aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/drivers/unix/mem_drv.c145
-rw-r--r--erts/emulator/drivers/win32/mem_drv.c141
2 files changed, 0 insertions, 286 deletions
diff --git a/erts/emulator/drivers/unix/mem_drv.c b/erts/emulator/drivers/unix/mem_drv.c
deleted file mode 100644
index 1417ca1121..0000000000
--- a/erts/emulator/drivers/unix/mem_drv.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 1996-2009. All Rights Reserved.
- *
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
- *
- * %CopyrightEnd%
- */
-
-/* Purpose: Access to elib memory statistics */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "sys.h"
-#include "erl_driver.h"
-#include "elib_stat.h"
-
-#define MAP_BUF_SIZE 1000 /* Max map size */
-#define HISTO_BUF_SIZE 100 /* Max histogram buckets */
-
-static ErlDrvData mem_start(ErlDrvPort);
-static int mem_init(void);
-static void mem_stop(ErlDrvData);
-static void mem_command(ErlDrvData, char*, int);
-
-const struct driver_entry mem_driver_entry = {
- mem_init,
- mem_start,
- mem_stop,
- mem_command,
- NULL,
- NULL,
- "mem_drv"
-};
-
-static int mem_init(void)
-{
- return 0;
-}
-
-static ErlDrvData mem_start(ErlDrvPort port, char* buf)
-{
- return (ErlDrvData)port;
-}
-
-static void mem_stop(ErlDrvData port)
-{
-}
-
-void putint32(p, v)
-byte* p; int v;
-{
- p[0] = (v >> 24) & 0xff;
- p[1] = (v >> 16) & 0xff;
- p[2] = (v >> 8) & 0xff;
- p[3] = (v) & 0xff;
-}
-
-int getint16(p)
-byte* p;
-{
- return (p[0] << 8) | p[1];
-}
-
-/*
-** Command:
-** m L1 L0 -> a heap map of length L1*256 + L0 is returned
-** s -> X3 X2 X1 X0 Y3 Y2 Y1 Y0 Z3 Z2 Z1 Z0
-** X == Total heap size bytes
-** Y == Total free bytes
-** Z == Size of largest free block in bytes
-**
-** h L1 L0 B0 -> Generate a logarithm historgram base B with L buckets
-** l L1 L0 S0 -> Generate a linear histogram with step S with L buckets
-*/
-unsigned char outbuf[HISTO_BUF_SIZE*2*4];
-
-static void mem_command(ErlDrvData port, char* buf, int count)
-{
- if ((count == 1) && buf[0] == 's') {
- struct elib_stat info;
- char v[3*4];
-
- elib_stat(&info);
-
- putint32(v, info.mem_total*4);
- putint32(v+4, info.mem_free*4);
- putint32(v+8, info.max_free*4);
- driver_output((ErlDrvPort)port, v, 12);
- return;
- }
- else if ((count == 3) && buf[0] == 'm') {
- char w[MAP_BUF_SIZE];
- int n = getint16(buf+1);
-
- if (n > MAP_BUF_SIZE)
- n = MAP_BUF_SIZE;
- elib_heap_map(w, n);
- driver_output((ErlDrvPort)port, w, n);
- return;
- }
- else if ((count == 4) && (buf[0] == 'h' || buf[0] == 'l')) {
- unsigned long vf[HISTO_BUF_SIZE];
- unsigned long va[HISTO_BUF_SIZE];
- int n = getint16(buf+1);
- int base = (unsigned char) buf[3];
-
- if (n >= HISTO_BUF_SIZE)
- n = HISTO_BUF_SIZE;
- if (buf[0] == 'l')
- base = -base;
- if (elib_histo(vf, va, n, base) < 0) {
- driver_failure((ErlDrvPort)port, -1);
- return;
- }
- else {
- char* p = outbuf;
- int i;
-
- for (i = 0; i < n; i++) {
- putint32(p, vf[i]);
- p += 4;
- }
- for (i = 0; i < n; i++) {
- putint32(p, va[i]);
- p += 4;
- }
- driver_output((ErlDrvPort)port, outbuf, n*8);
- }
- return;
- }
- driver_failure((ErlDrvPort)port, -1);
-}
diff --git a/erts/emulator/drivers/win32/mem_drv.c b/erts/emulator/drivers/win32/mem_drv.c
deleted file mode 100644
index fa7c46eca8..0000000000
--- a/erts/emulator/drivers/win32/mem_drv.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * %CopyrightBegin%
- *
- * Copyright Ericsson AB 1997-2009. All Rights Reserved.
- *
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
- *
- * %CopyrightEnd%
- */
-/* Purpose: Access to elib memory statistics */
-
-#include "sys.h"
-#include "erl_driver.h"
-#include "elib_stat.h"
-
-#define MAP_BUF_SIZE 1000 /* Max map size */
-#define HISTO_BUF_SIZE 100 /* Max histogram buckets */
-
-static ErlDrvData mem_start(ErlDrvPort, char*);
-static int mem_init(void);
-static void mem_stop(ErlDrvData);
-static void mem_command(ErlDrvData);
-
-ErlDrvEntry mem_driver_entry = {
- mem_init,
- mem_start,
- mem_stop,
- mem_command,
- NULL,
- NULL,
- "mem_drv"
-};
-
-static int mem_init(void)
-{
- return 0;
-}
-
-static ErlDrvData mem_start(ErlDrvPort port, char* buf)
-{
- return (ErlDrvData)port;
-}
-
-static void mem_stop(ErlDrvData port)
-{
-}
-
-void putint32(p, v)
-byte* p; int v;
-{
- p[0] = (v >> 24) & 0xff;
- p[1] = (v >> 16) & 0xff;
- p[2] = (v >> 8) & 0xff;
- p[3] = (v) & 0xff;
-}
-
-int getint16(p)
-byte* p;
-{
- return (p[0] << 8) | p[1];
-}
-
-/*
-** Command:
-** m L1 L0 -> a heap map of length L1*256 + L0 is returned
-** s -> X3 X2 X1 X0 Y3 Y2 Y1 Y0 Z3 Z2 Z1 Z0
-** X == Total heap size bytes
-** Y == Total free bytes
-** Z == Size of largest free block in bytes
-**
-** h L1 L0 B0 -> Generate a logarithm histogram base B with L buckets
-** l L1 L0 S0 -> Generate a linear histogram with step S with L buckets
-*/
-unsigned char outbuf[HISTO_BUF_SIZE*2*4];
-
-static void mem_command(ErlDrvData port, char* buf, int count)
-{
- if ((count == 1) && buf[0] == 's') {
- struct elib_stat info;
- char v[3*4];
-
- elib_stat(&info);
-
- putint32(v, info.mem_total*4);
- putint32(v+4, info.mem_free*4);
- putint32(v+8, info.max_free*4);
- driver_output((ErlDrvPort)port, v, 12);
- return;
- }
- else if ((count == 3) && buf[0] == 'm') {
- char w[MAP_BUF_SIZE];
- int n = getint16(buf+1);
-
- if (n > MAP_BUF_SIZE)
- n = MAP_BUF_SIZE;
- elib_heap_map(w, n);
- driver_output((ErlDrvPort)port, w, n);
- return;
- }
- else if ((count == 4) && (buf[0] == 'h' || buf[0] == 'l')) {
- unsigned long vf[HISTO_BUF_SIZE];
- unsigned long va[HISTO_BUF_SIZE];
- int n = getint16(buf+1);
- int base = (unsigned char) buf[3];
-
- if (n >= HISTO_BUF_SIZE)
- n = HISTO_BUF_SIZE;
- if (buf[0] == 'l')
- base = -base;
- if (elib_histo(vf, va, n, base) < 0) {
- driver_failure((ErlDrvPort)port, -1);
- return;
- }
- else {
- char* p = outbuf;
- int i;
-
- for (i = 0; i < n; i++) {
- putint32(p, vf[i]);
- p += 4;
- }
- for (i = 0; i < n; i++) {
- putint32(p, va[i]);
- p += 4;
- }
- driver_output((ErlDrvPort)port, outbuf, n*8);
- }
- return;
- }
- driver_failure((ErlDrvPort)port, -1);
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 06:48:18 +0000