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Remove Darwin proc_mem.shared impl

This commit is contained in:
Doug MacEachern 2006-03-16 18:36:07 +00:00
parent 6d11590f61
commit 4c4a13570b
2 changed files with 6 additions and 157 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2006-03-16 Doug MacEachern <dougm@hyperic.net>
* Remove Darwin proc_mem.shared impl. More trouble that it is
worth and the code did not compile on x86.
2006-03-14 Doug MacEachern <dougm@hyperic.net>
* Enhance native library finder to work with -jar foo.jar and

158
src/os/darwin/darwin_sigar.c
View File

@ -684,71 +684,6 @@ static int sigar_get_pinfo(sigar_t *sigar, sigar_pid_t pid)
return SIGAR_OK;
}
#ifdef DARWIN
/* this insanity if dervied from Apple's port of 'top' and libgtop patch */
#define SHARED_TABLE_SIZE 137
#define TEXT_SEGMENT_START (GLOBAL_SHARED_TEXT_SEGMENT)
#define DATA_SEGMENT_END (GLOBAL_SHARED_DATA_SEGMENT + SHARED_DATA_REGION_SIZE)
typedef struct shared_info shared_table[SHARED_TABLE_SIZE];
typedef struct shared_info shared_info;
struct shared_info {
unsigned obj_id;
unsigned share_mode;
unsigned page_count;
unsigned ref_count;
unsigned task_ref_count;
vm_size_t size;
shared_info *next;
};
static void shared_table_free(shared_table table)
{
int i;
for (i=0; i<SHARED_TABLE_SIZE; i++) {
shared_info *info = table[i].next;
while (info) {
shared_info *next = info->next;
free(info);
info = next;
}
}
}
static void shared_table_register(shared_table table,
vm_region_top_info_data_t *top,
vm_size_t size)
{
shared_info *info, *last;
info = last = &table[top->obj_id % SHARED_TABLE_SIZE];
while (info) {
if (info->obj_id == top->obj_id) {
info->task_ref_count++;
return;
}
last = info;
info = info->next;
}
info = malloc(sizeof(shared_info));
if (info) {
info->obj_id = top->obj_id;
info->share_mode = top->share_mode;
info->page_count = top->shared_pages_resident;
info->ref_count = top->ref_count;
info->task_ref_count = 1;
info->size = size;
info->next = NULL;
last->next = info;
}
}
#endif /* DARWIN */
int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
sigar_proc_mem_t *procmem)
{
@ -758,10 +693,6 @@ int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
task_basic_info_data_t info;
task_events_info_data_t events;
mach_msg_type_number_t count;
vm_size_t vsize, private, vprivate, shared;
shared_table table;
vm_address_t address = 0;
int i, split = 0;
status = task_for_pid(self, pid, &task);
@ -775,8 +706,6 @@ int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
return errno;
}
vsize = info.virtual_size;
count = TASK_EVENTS_INFO_COUNT;
status = task_info(task, TASK_EVENTS_INFO, (task_info_t)&events, &count);
if (status == KERN_SUCCESS) {
@ -789,98 +718,13 @@ int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
procmem->minor_faults = SIGAR_FIELD_NOTIMPL;
procmem->major_faults = SIGAR_FIELD_NOTIMPL;
private = vprivate = shared = 0;
memset(table, 0, sizeof(table));
while (1) {
vm_region_basic_info_data_64_t basic;
vm_region_top_info_data_t top;
mach_port_t object_name;
vm_size_t size;
count = VM_REGION_BASIC_INFO_COUNT_64;
if (vm_region_64(task, &address, &size, VM_REGION_BASIC_INFO,
(vm_region_info_t)&basic,
&count, &object_name))
{
break;
}
count = VM_REGION_TOP_INFO_COUNT;
if (vm_region_64(task, &address, &size, VM_REGION_TOP_INFO,
(vm_region_info_t)&top,
&count, &object_name))
{
break;
}
if ((address >= TEXT_SEGMENT_START) &&
(address < DATA_SEGMENT_END))
{
if (!split && (top.share_mode == SM_EMPTY)) {
if (basic.reserved) {
split = 1;
}
}
if (top.share_mode != SM_PRIVATE) {
address += size;
continue;
}
}
switch (top.share_mode) {
case SM_COW:
if (top.ref_count == 1) {
private += top.private_pages_resident * vm_page_size;
private += top.shared_pages_resident * vm_page_size;
vprivate += size;
}
else {
shared_table_register(table, &top, size);
vprivate += top.private_pages_resident * vm_page_size;
}
break;
case SM_PRIVATE:
private += top.private_pages_resident * vm_page_size;
vprivate += size;
break;
case SM_SHARED:
shared_table_register(table, &top, size);
break;
}
address += size;
}
for (i=0; i<SHARED_TABLE_SIZE; i++) {
shared_info *sinfo = &table[i];
while (sinfo) {
if ((sinfo->share_mode == SM_SHARED) &&
(sinfo->ref_count == sinfo->task_ref_count))
{
private += sinfo->page_count * vm_page_size;
vprivate += sinfo->size;
}
else {
shared += sinfo->page_count * vm_page_size;
}
sinfo = sinfo->next;
}
}
shared_table_free(table);
if (split) {
vsize -= (DATA_SEGMENT_END - TEXT_SEGMENT_START);
}
if (task != self) {
mach_port_deallocate(self, task);
}
procmem->size = info.virtual_size;
procmem->resident = info.resident_size;
procmem->share = shared;
procmem->share = SIGAR_FIELD_NOTIMPL;
return SIGAR_OK;
#else