/
mono-perfcounters.c
1920 lines (1750 loc) · 48.3 KB
/
mono-perfcounters.c
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/*
* mono-perfcounters.c
*
* Performance counters support.
*
* Author: Paolo Molaro (lupus@ximian.com)
*
* Copyright 2008-2009 Novell, Inc (http://www.novell.com)
* 2011 Xamarin, Inc
*/
#include "config.h"
#include <time.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if defined (__OpenBSD__)
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if defined (__APPLE__)
#include <mach/message.h>
#include <mach/mach_host.h>
#include <mach/host_info.h>
#endif
#if defined (__NetBSD__) || defined (__APPLE__)
#include <sys/sysctl.h>
#endif
#include "metadata/mono-perfcounters.h"
#include "metadata/appdomain.h"
#include "metadata/object-internals.h"
/* for mono_stats */
#include "metadata/class-internals.h"
#include "utils/mono-time.h"
#include "utils/mono-mmap.h"
#include "utils/mono-proclib.h"
#include "utils/mono-networkinterfaces.h"
#include "utils/mono-error-internals.h"
#include "utils/atomic.h"
#include <mono/io-layer/io-layer.h>
/* map of CounterSample.cs */
struct _MonoCounterSample {
gint64 rawValue;
gint64 baseValue;
gint64 counterFrequency;
gint64 systemFrequency;
gint64 timeStamp;
gint64 timeStamp100nSec;
gint64 counterTimeStamp;
int counterType;
};
#ifndef DISABLE_PERFCOUNTERS
/* map of PerformanceCounterType.cs */
enum {
NumberOfItemsHEX32=0x00000000,
NumberOfItemsHEX64=0x00000100,
NumberOfItems32=0x00010000,
NumberOfItems64=0x00010100,
CounterDelta32=0x00400400,
CounterDelta64=0x00400500,
SampleCounter=0x00410400,
CountPerTimeInterval32=0x00450400,
CountPerTimeInterval64=0x00450500,
RateOfCountsPerSecond32=0x10410400,
RateOfCountsPerSecond64=0x10410500,
RawFraction=0x20020400,
CounterTimer=0x20410500,
Timer100Ns=0x20510500,
SampleFraction=0x20C20400,
CounterTimerInverse=0x21410500,
Timer100NsInverse=0x21510500,
CounterMultiTimer=0x22410500,
CounterMultiTimer100Ns=0x22510500,
CounterMultiTimerInverse=0x23410500,
CounterMultiTimer100NsInverse=0x23510500,
AverageTimer32=0x30020400,
ElapsedTime=0x30240500,
AverageCount64=0x40020500,
SampleBase=0x40030401,
AverageBase=0x40030402,
RawBase=0x40030403,
CounterMultiBase=0x42030500
};
/* maps a small integer type to the counter types above */
static const int
simple_type_to_type [] = {
NumberOfItemsHEX32, NumberOfItemsHEX64,
NumberOfItems32, NumberOfItems64,
CounterDelta32, CounterDelta64,
SampleCounter, CountPerTimeInterval32,
CountPerTimeInterval64, RateOfCountsPerSecond32,
RateOfCountsPerSecond64, RawFraction,
CounterTimer, Timer100Ns,
SampleFraction, CounterTimerInverse,
Timer100NsInverse, CounterMultiTimer,
CounterMultiTimer100Ns, CounterMultiTimerInverse,
CounterMultiTimer100NsInverse, AverageTimer32,
ElapsedTime, AverageCount64,
SampleBase, AverageBase,
RawBase, CounterMultiBase
};
enum {
SingleInstance,
MultiInstance,
CatTypeUnknown = -1
};
enum {
ProcessInstance,
ThreadInstance,
CPUInstance,
MonoInstance,
NetworkInterfaceInstance,
CustomInstance
};
#define PERFCTR_CAT(id,name,help,type,inst,first_counter) CATEGORY_ ## id,
#define PERFCTR_COUNTER(id,name,help,type,field)
enum {
#include "mono-perfcounters-def.h"
NUM_CATEGORIES
};
#undef PERFCTR_CAT
#undef PERFCTR_COUNTER
#define PERFCTR_CAT(id,name,help,type,inst,first_counter) CATEGORY_START_ ## id = -1,
#define PERFCTR_COUNTER(id,name,help,type,field) COUNTER_ ## id,
/* each counter is assigned an id starting from 0 inside the category */
enum {
#include "mono-perfcounters-def.h"
END_COUNTERS
};
#undef PERFCTR_CAT
#undef PERFCTR_COUNTER
#define PERFCTR_CAT(id,name,help,type,inst,first_counter)
#define PERFCTR_COUNTER(id,name,help,type,field) CCOUNTER_ ## id,
/* this is used just to count the number of counters */
enum {
#include "mono-perfcounters-def.h"
NUM_COUNTERS
};
static mono_mutex_t perfctr_mutex;
#define perfctr_lock() mono_mutex_lock (&perfctr_mutex)
#define perfctr_unlock() mono_mutex_unlock (&perfctr_mutex)
typedef struct {
char reserved [16];
int size;
unsigned short counters_start;
unsigned short counters_size;
unsigned short data_start;
MonoPerfCounters counters;
char data [1];
} MonoSharedArea;
/*
binary format of custom counters in shared memory, starting from MonoSharedArea* + data_start;
basic stanza:
struct stanza_header {
byte stanza_type; // FTYPE_*
byte other_info;
ushort stanza_length; // includeas header
... data ...
}
// strings are utf8
// perfcat and perfinstance are 4-bytes aligned
struct perfcat {
byte typeidx;
byte categorytype;
ushort length; // includes the counters
ushort num_counters;
ushort counters_data_size;
int num_instances;
char name[]; // null terminated
char help[]; // null terminated
// perfcounters follow
{
byte countertype;
char name[]; // null terminated
char help[]; // null terminated
}
0-byte
};
struct perfinstance {
byte typeidx;
byte data_offset; // offset of counters from beginning of struct
ushort length;
uint category_offset; // offset of category in the shared area
char name[]; // null terminated
// data follows: this is always 8-byte aligned
};
*/
enum {
FTYPE_CATEGORY = 'C',
FTYPE_DELETED = 'D',
FTYPE_PREDEF_INSTANCE = 'P', // an instance of a predef counter
FTYPE_INSTANCE = 'I',
FTYPE_DIRTY = 'd',
FTYPE_END = 0
};
typedef struct {
unsigned char ftype;
unsigned char extra;
unsigned short size;
} SharedHeader;
typedef struct {
SharedHeader header;
unsigned short num_counters;
unsigned short counters_data_size;
int num_instances;
/* variable length data follows */
char name [1];
// string name
// string help
// SharedCounter counters_info [num_counters]
} SharedCategory;
typedef struct {
SharedHeader header;
unsigned int category_offset;
/* variable length data follows */
char instance_name [1];
// string name
} SharedInstance;
typedef struct {
unsigned char type;
guint8 seq_num;
/* variable length data follows */
char name [1];
// string name
// string help
} SharedCounter;
typedef struct {
const char *name;
const char *help;
unsigned char id;
signed int type : 2;
unsigned int instance_type : 6;
short first_counter;
} CategoryDesc;
typedef struct {
const char *name;
const char *help;
short id;
unsigned short offset; // offset inside MonoPerfCounters
int type;
} CounterDesc;
#undef PERFCTR_CAT
#undef PERFCTR_COUNTER
#define PERFCTR_CAT(id,name,help,type,inst,first_counter) {name, help, CATEGORY_ ## id, type, inst ## Instance, CCOUNTER_ ## first_counter},
#define PERFCTR_COUNTER(id,name,help,type,field)
static const CategoryDesc
predef_categories [] = {
#include "mono-perfcounters-def.h"
{NULL, NULL, NUM_CATEGORIES, -1, 0, NUM_COUNTERS}
};
#undef PERFCTR_CAT
#undef PERFCTR_COUNTER
#define PERFCTR_CAT(id,name,help,type,inst,first_counter)
#define PERFCTR_COUNTER(id,name,help,type,field) {name, help, COUNTER_ ## id, G_STRUCT_OFFSET (MonoPerfCounters, field), type},
static const CounterDesc
predef_counters [] = {
#include "mono-perfcounters-def.h"
{NULL, NULL, -1, 0, 0}
};
/*
* We have several different classes of counters:
* *) system counters
* *) runtime counters
* *) remote counters
* *) user-defined counters
* *) windows counters (the implementation on windows will use this)
*
* To easily handle the differences we create a vtable for each class that contains the
* function pointers with the actual implementation to access the counters.
*/
typedef struct _ImplVtable ImplVtable;
typedef MonoBoolean (*SampleFunc) (ImplVtable *vtable, MonoBoolean only_value, MonoCounterSample* sample);
typedef gint64 (*UpdateFunc) (ImplVtable *vtable, MonoBoolean do_incr, gint64 value);
typedef void (*CleanupFunc) (ImplVtable *vtable);
struct _ImplVtable {
void *arg;
SampleFunc sample;
UpdateFunc update;
CleanupFunc cleanup;
};
typedef struct {
int id;
char *name;
} NetworkVtableArg;
typedef struct {
ImplVtable vtable;
MonoPerfCounters *counters;
int pid;
} PredefVtable;
typedef struct {
ImplVtable vtable;
SharedInstance *instance_desc;
SharedCounter *counter_desc;
} CustomVTable;
static ImplVtable*
create_vtable (void *arg, SampleFunc sample, UpdateFunc update)
{
ImplVtable *vtable = g_new0 (ImplVtable, 1);
vtable->arg = arg;
vtable->sample = sample;
vtable->update = update;
return vtable;
}
MonoPerfCounters *mono_perfcounters = NULL;
static MonoSharedArea *shared_area = NULL;
typedef struct {
void *sarea;
int refcount;
} ExternalSArea;
/* maps a pid to a ExternalSArea pointer */
static GHashTable *pid_to_shared_area = NULL;
static MonoSharedArea *
load_sarea_for_pid (int pid)
{
ExternalSArea *data;
MonoSharedArea *area = NULL;
perfctr_lock ();
if (pid_to_shared_area == NULL)
pid_to_shared_area = g_hash_table_new (NULL, NULL);
data = g_hash_table_lookup (pid_to_shared_area, GINT_TO_POINTER (pid));
if (!data) {
area = mono_shared_area_for_pid (GINT_TO_POINTER (pid));
if (area) {
data = g_new (ExternalSArea, 1);
data->sarea = area;
data->refcount = 1;
g_hash_table_insert (pid_to_shared_area, GINT_TO_POINTER (pid), data);
}
} else {
area = data->sarea;
data->refcount ++;
}
perfctr_unlock ();
return area;
}
static void
unref_pid_unlocked (int pid)
{
ExternalSArea *data;
data = g_hash_table_lookup (pid_to_shared_area, GINT_TO_POINTER (pid));
if (data) {
data->refcount--;
if (!data->refcount) {
g_hash_table_remove (pid_to_shared_area, GINT_TO_POINTER (pid));
mono_shared_area_unload (data->sarea);
g_free (data);
}
}
}
static void
predef_cleanup (ImplVtable *vtable)
{
PredefVtable *vt = (PredefVtable*)vtable;
/* ExternalSArea *data; */
perfctr_lock ();
if (!pid_to_shared_area) {
perfctr_unlock ();
return;
}
unref_pid_unlocked (vt->pid);
perfctr_unlock ();
}
static guint64
mono_determine_physical_ram_size (void)
{
#if defined (TARGET_WIN32)
MEMORYSTATUSEX memstat;
memstat.dwLength = sizeof (memstat);
GlobalMemoryStatusEx (&memstat);
return (guint64)memstat.ullTotalPhys;
#elif defined (__NetBSD__) || defined (__APPLE__)
#ifdef __NetBSD__
unsigned long value;
#else
guint64 value;
#endif
int mib[2] = {
CTL_HW,
#ifdef __NetBSD__
HW_PHYSMEM
#else
HW_MEMSIZE
#endif
};
size_t size_sys = sizeof (value);
sysctl (mib, 2, &value, &size_sys, NULL, 0);
if (value == 0)
return 134217728;
return (guint64)value;
#elif defined (HAVE_SYSCONF)
guint64 page_size = 0, num_pages = 0;
/* sysconf works on most *NIX operating systems, if your system doesn't have it or if it
* reports invalid values, please add your OS specific code below. */
#ifdef _SC_PAGESIZE
page_size = (guint64)sysconf (_SC_PAGESIZE);
#endif
#ifdef _SC_PHYS_PAGES
num_pages = (guint64)sysconf (_SC_PHYS_PAGES);
#endif
if (!page_size || !num_pages) {
g_warning ("Your operating system's sysconf (3) function doesn't correctly report physical memory size!");
return 134217728;
}
return page_size * num_pages;
#else
return 134217728;
#endif
}
static guint64
mono_determine_physical_ram_available_size (void)
{
#if defined (TARGET_WIN32)
MEMORYSTATUSEX memstat;
memstat.dwLength = sizeof (memstat);
GlobalMemoryStatusEx (&memstat);
return (guint64)memstat.ullAvailPhys;
#elif defined (__NetBSD__)
struct vmtotal vm_total;
guint64 page_size;
int mib [2];
size_t len;
mib = {
CTL_VM,
#if defined (VM_METER)
VM_METER
#else
VM_TOTAL
#endif
};
len = sizeof (vm_total);
sysctl (mib, 2, &vm_total, &len, NULL, 0);
mib = {
CTL_HW,
HW_PAGESIZE
};
len = sizeof (page_size);
sysctl (mib, 2, &page_size, &len, NULL, 0
return ((guint64) value.t_free * page_size) / 1024;
#elif defined (__APPLE__)
mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
vm_statistics_data_t vmstat;
if (KERN_SUCCESS != host_statistics(mach_host_self(), HOST_VM_INFO, (host_info_t)&vmstat, &count)) {
g_warning ("Mono was unable to retrieve memory usage!");
return 0;
}
return (guint64) vmstat.free_count;
#elif defined (HAVE_SYSCONF)
guint64 page_size = 0, num_pages = 0;
/* sysconf works on most *NIX operating systems, if your system doesn't have it or if it
* reports invalid values, please add your OS specific code below. */
#ifdef _SC_PAGESIZE
page_size = (guint64)sysconf (_SC_PAGESIZE);
#endif
#ifdef _SC_AVPHYS_PAGES
num_pages = (guint64)sysconf (_SC_AVPHYS_PAGES);
#endif
if (!page_size || !num_pages) {
g_warning ("Your operating system's sysconf (3) function doesn't correctly report physical memory size!");
return 0;
}
return page_size * num_pages;
#else
return 0;
#endif
}
void
mono_perfcounters_init (void)
{
int d_offset = G_STRUCT_OFFSET (MonoSharedArea, data);
d_offset += 7;
d_offset &= ~7;
mono_mutex_init_recursive (&perfctr_mutex);
shared_area = mono_shared_area ();
shared_area->counters_start = G_STRUCT_OFFSET (MonoSharedArea, counters);
shared_area->counters_size = sizeof (MonoPerfCounters);
shared_area->data_start = d_offset;
shared_area->size = 4096;
mono_perfcounters = &shared_area->counters;
}
static int
perfctr_type_compress (int type)
{
int i;
for (i = 0; i < G_N_ELEMENTS (simple_type_to_type); ++i) {
if (simple_type_to_type [i] == type)
return i;
}
/* NumberOfItems32 */
return 2;
}
static SharedHeader*
shared_data_reserve_room (int size, int ftype)
{
SharedHeader* header;
unsigned char *p = (unsigned char *)shared_area + shared_area->data_start;
unsigned char *end = (unsigned char *)shared_area + shared_area->size;
size += 7;
size &= ~7;
while (p < end) {
unsigned short *next;
if (*p == FTYPE_END) {
if (size < (end - p))
goto res;
return NULL;
}
if (p + 4 > end)
return NULL;
next = (unsigned short*)(p + 2);
if (*p == FTYPE_DELETED) {
/* we reuse only if it's the same size */
if (*next == size) {
goto res;
}
}
p += *next;
}
return NULL;
res:
header = (SharedHeader*)p;
header->ftype = ftype;
header->extra = 0; /* data_offset could overflow here, so we leave this field unused */
header->size = size;
return header;
}
typedef gboolean (*SharedFunc) (SharedHeader *header, void *data);
static void
foreach_shared_item_in_area (unsigned char *p, unsigned char *end, SharedFunc func, void *data)
{
while (p < end) {
unsigned short *next;
if (p + 4 > end)
return;
next = (unsigned short*)(p + 2);
if (!func ((SharedHeader*)p, data))
return;
if (*p == FTYPE_END)
return;
p += *next;
}
}
static void
foreach_shared_item (SharedFunc func, void *data)
{
unsigned char *p = (unsigned char *)shared_area + shared_area->data_start;
unsigned char *end = (unsigned char *)shared_area + shared_area->size;
foreach_shared_item_in_area (p, end, func, data);
}
static int
mono_string_compare_ascii (MonoString *str, const char *ascii_str)
{
/* FIXME: make this case insensitive */
guint16 *strc = mono_string_chars (str);
while (*strc == *ascii_str++) {
if (*strc == 0)
return 0;
strc++;
}
return *strc - *(const unsigned char *)(ascii_str - 1);
}
typedef struct {
MonoString *name;
SharedCategory *cat;
} CatSearch;
static gboolean
category_search (SharedHeader *header, void *data)
{
CatSearch *search = data;
if (header->ftype == FTYPE_CATEGORY) {
SharedCategory *cat = (SharedCategory*)header;
if (mono_string_compare_ascii (search->name, cat->name) == 0) {
search->cat = cat;
return FALSE;
}
}
return TRUE;
}
static SharedCategory*
find_custom_category (MonoString *name)
{
CatSearch search;
search.name = name;
search.cat = NULL;
foreach_shared_item (category_search, &search);
return search.cat;
}
static gboolean
category_collect (SharedHeader *header, void *data)
{
GSList **list = data;
if (header->ftype == FTYPE_CATEGORY) {
*list = g_slist_prepend (*list, header);
}
return TRUE;
}
static GSList*
get_custom_categories (void) {
GSList *list = NULL;
foreach_shared_item (category_collect, &list);
return list;
}
static char*
custom_category_counters (SharedCategory* cat)
{
char *p = cat->name + strlen (cat->name) + 1;
p += strlen (p) + 1; /* skip category help */
return p;
}
static SharedCounter*
find_custom_counter (SharedCategory* cat, MonoString *name)
{
int i;
char *p = custom_category_counters (cat);
for (i = 0; i < cat->num_counters; ++i) {
SharedCounter *counter = (SharedCounter*)p;
if (mono_string_compare_ascii (name, counter->name) == 0)
return counter;
p += 2; /* skip counter type */
p += strlen (p) + 1; /* skip counter name */
p += strlen (p) + 1; /* skip counter help */
}
return NULL;
}
typedef struct {
unsigned int cat_offset;
SharedCategory* cat;
char *name;
SharedInstance* result;
GSList *list;
} InstanceSearch;
static gboolean
instance_search (SharedHeader *header, void *data)
{
InstanceSearch *search = data;
if (header->ftype == FTYPE_INSTANCE) {
SharedInstance *ins = (SharedInstance*)header;
if (search->cat_offset == ins->category_offset) {
if (search->name) {
if (strcmp (search->name, ins->instance_name) == 0) {
search->result = ins;
return FALSE;
}
} else {
search->list = g_slist_prepend (search->list, ins);
}
}
}
return TRUE;
}
static SharedInstance*
find_custom_instance (SharedCategory* cat, char *name)
{
InstanceSearch search;
search.cat_offset = (char*)cat - (char*)shared_area;
search.cat = cat;
search.name = name;
search.list = NULL;
search.result = NULL;
foreach_shared_item (instance_search, &search);
return search.result;
}
static GSList*
get_custom_instances_list (SharedCategory* cat)
{
InstanceSearch search;
search.cat_offset = (char*)cat - (char*)shared_area;
search.cat = cat;
search.name = NULL;
search.list = NULL;
search.result = NULL;
foreach_shared_item (instance_search, &search);
return search.list;
}
static char*
custom_category_help (SharedCategory* cat)
{
return cat->name + strlen (cat->name) + 1;
}
static const CounterDesc*
get_counter_in_category (const CategoryDesc *desc, MonoString *counter)
{
const CounterDesc *cdesc = &predef_counters [desc->first_counter];
const CounterDesc *end = &predef_counters [desc [1].first_counter];
for (; cdesc < end; ++cdesc) {
if (mono_string_compare_ascii (counter, cdesc->name) == 0)
return cdesc;
}
return NULL;
}
/* fill the info in sample (except the raw value) */
static void
fill_sample (MonoCounterSample *sample)
{
sample->timeStamp = mono_100ns_ticks ();
sample->timeStamp100nSec = sample->timeStamp;
sample->counterTimeStamp = sample->timeStamp;
sample->counterFrequency = 10000000;
sample->systemFrequency = 10000000;
// the real basevalue needs to be get from a different counter...
sample->baseValue = 0;
}
static int
id_from_string (MonoString *instance, gboolean is_process)
{
int id = -1;
if (mono_string_length (instance)) {
char *id_str = mono_string_to_utf8 (instance);
char *end;
id = strtol (id_str, &end, 0);
if (end == id_str && !is_process)
id = -1;
g_free (id_str);
}
return id;
}
static MonoBoolean
get_cpu_counter (ImplVtable *vtable, MonoBoolean only_value, MonoCounterSample *sample)
{
MonoProcessError error;
int id = GPOINTER_TO_INT (vtable->arg);
int pid = id >> 5;
id &= 0x1f;
if (!only_value) {
fill_sample (sample);
sample->baseValue = 1;
}
sample->counterType = predef_counters [predef_categories [CATEGORY_CPU].first_counter + id].type;
switch (id) {
case COUNTER_CPU_USER_TIME:
sample->rawValue = mono_cpu_get_data (pid, MONO_CPU_USER_TIME, &error);
return TRUE;
case COUNTER_CPU_PRIV_TIME:
sample->rawValue = mono_cpu_get_data (pid, MONO_CPU_PRIV_TIME, &error);
return TRUE;
case COUNTER_CPU_INTR_TIME:
sample->rawValue = mono_cpu_get_data (pid, MONO_CPU_INTR_TIME, &error);
return TRUE;
case COUNTER_CPU_DCP_TIME:
sample->rawValue = mono_cpu_get_data (pid, MONO_CPU_DCP_TIME, &error);
return TRUE;
case COUNTER_CPU_PROC_TIME:
sample->rawValue = mono_cpu_get_data (pid, MONO_CPU_IDLE_TIME, &error);
return TRUE;
}
return FALSE;
}
static void*
cpu_get_impl (MonoString* counter, MonoString* instance, int *type, MonoBoolean *custom)
{
int id = id_from_string (instance, FALSE) << 5;
const CounterDesc *cdesc;
*custom = FALSE;
/* increase the shift above and the mask also in the implementation functions */
//g_assert (32 > desc [1].first_counter - desc->first_counter);
if ((cdesc = get_counter_in_category (&predef_categories [CATEGORY_CPU], counter))) {
*type = cdesc->type;
return create_vtable (GINT_TO_POINTER (id | cdesc->id), get_cpu_counter, NULL);
}
return NULL;
}
static MonoBoolean
get_network_counter (ImplVtable *vtable, MonoBoolean only_value, MonoCounterSample *sample)
{
MonoNetworkError error = MONO_NETWORK_ERROR_OTHER;
NetworkVtableArg *narg = (NetworkVtableArg*) vtable->arg;
if (!only_value) {
fill_sample (sample);
}
sample->counterType = predef_counters [predef_categories [CATEGORY_NETWORK].first_counter + narg->id].type;
switch (narg->id) {
case COUNTER_NETWORK_BYTESRECSEC:
sample->rawValue = mono_network_get_data (narg->name, MONO_NETWORK_BYTESREC, &error);
break;
case COUNTER_NETWORK_BYTESSENTSEC:
sample->rawValue = mono_network_get_data (narg->name, MONO_NETWORK_BYTESSENT, &error);
break;
case COUNTER_NETWORK_BYTESTOTALSEC:
sample->rawValue = mono_network_get_data (narg->name, MONO_NETWORK_BYTESTOTAL, &error);
break;
}
if (error == MONO_NETWORK_ERROR_NONE)
return TRUE;
else
return FALSE;
}
static void
network_cleanup (ImplVtable *vtable)
{
NetworkVtableArg *narg;
if (vtable == NULL)
return;
narg = vtable->arg;
if (narg == NULL)
return;
g_free (narg->name);
narg->name = NULL;
g_free (narg);
vtable->arg = NULL;
}
static void*
network_get_impl (MonoString* counter, MonoString* instance, int *type, MonoBoolean *custom)
{
const CounterDesc *cdesc;
NetworkVtableArg *narg;
ImplVtable *vtable;
char *instance_name;
*custom = FALSE;
if ((cdesc = get_counter_in_category (&predef_categories [CATEGORY_NETWORK], counter))) {
instance_name = mono_string_to_utf8 (instance);
narg = g_new0 (NetworkVtableArg, 1);
narg->id = cdesc->id;
narg->name = instance_name;
*type = cdesc->type;
vtable = create_vtable (narg, get_network_counter, NULL);
vtable->cleanup = network_cleanup;
return vtable;
}
return NULL;
}
static MonoBoolean
get_process_counter (ImplVtable *vtable, MonoBoolean only_value, MonoCounterSample *sample)
{
int id = GPOINTER_TO_INT (vtable->arg);
int pid = id >> 5;
if (pid < 0)
return FALSE;
id &= 0x1f;
if (!only_value) {
fill_sample (sample);
sample->baseValue = 1;
}
sample->counterType = predef_counters [predef_categories [CATEGORY_PROC].first_counter + id].type;
switch (id) {
case COUNTER_PROC_USER_TIME:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_USER_TIME);
return TRUE;
case COUNTER_PROC_PRIV_TIME:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_SYSTEM_TIME);
return TRUE;
case COUNTER_PROC_PROC_TIME:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_TOTAL_TIME);
return TRUE;
case COUNTER_PROC_THREADS:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_NUM_THREADS);
return TRUE;
case COUNTER_PROC_VBYTES:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_VIRTUAL_BYTES);
return TRUE;
case COUNTER_PROC_WSET:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_WORKING_SET);
return TRUE;
case COUNTER_PROC_PBYTES:
sample->rawValue = mono_process_get_data (GINT_TO_POINTER (pid), MONO_PROCESS_PRIVATE_BYTES);
return TRUE;
}
return FALSE;
}
static void*
process_get_impl (MonoString* counter, MonoString* instance, int *type, MonoBoolean *custom)
{
int id = id_from_string (instance, TRUE) << 5;
const CounterDesc *cdesc;
*custom = FALSE;
/* increase the shift above and the mask also in the implementation functions */
//g_assert (32 > desc [1].first_counter - desc->first_counter);
if ((cdesc = get_counter_in_category (&predef_categories [CATEGORY_PROC], counter))) {
*type = cdesc->type;
return create_vtable (GINT_TO_POINTER (id | cdesc->id), get_process_counter, NULL);
}
return NULL;
}
static MonoBoolean
mono_mem_counter (ImplVtable *vtable, MonoBoolean only_value, MonoCounterSample *sample)
{
int id = GPOINTER_TO_INT (vtable->arg);
if (!only_value) {
fill_sample (sample);
sample->baseValue = 1;
}
sample->counterType = predef_counters [predef_categories [CATEGORY_MONO_MEM].first_counter + id].type;
switch (id) {
case COUNTER_MEM_NUM_OBJECTS:
sample->rawValue = 0;
return TRUE;
case COUNTER_MEM_PHYS_TOTAL:
sample->rawValue = mono_determine_physical_ram_size ();;
return TRUE;
case COUNTER_MEM_PHYS_AVAILABLE:
sample->rawValue = mono_determine_physical_ram_available_size ();;
return TRUE;
}
return FALSE;
}