#include <stdlib.h>
#include <glib.h>
+ #include "config.h"
#include "mono-counters.h"
+ #include "mono-proclib.h"
+
+ #ifdef HAVE_UNISTD_H
+ #include <unistd.h>
+ #endif
struct _MonoCounter {
MonoCounter *next;
const char *name;
void *addr;
int type;
+ size_t size;
};
static MonoCounter *counters = NULL;
static int valid_mask = 0;
static int set_mask = 0;
+/**
+ * mono_counter_get_variance:
+ * @counter: counter to get the variance
+ *
+ * Variance specifies how the counter value is expected to behave between any two samplings.
+ *
+ * Returns: the monotonicity of the counter.
+ */
int
mono_counter_get_variance (MonoCounter *counter)
{
return counter->type & MONO_COUNTER_VARIANCE_MASK;
}
+/**
+ * mono_counter_get_unit:
+ * @counter: counter to get the unit
+ *
+ * The unit gives a high level view of the unit that the counter is measuring.
+ *
+ * Returns: the unit of the counter.
+ */
int
mono_counter_get_unit (MonoCounter *counter)
{
return counter->type & MONO_COUNTER_UNIT_MASK;
}
+/**
+ * mono_counter_get_section:
+ * @counter: counter to get the section
+ *
+ * Sections are the unit of organization between all counters.
+ *
+ * Returns: the section of the counter.
+ */
+
int
mono_counter_get_section (MonoCounter *counter)
{
return counter->type & MONO_COUNTER_SECTION_MASK;
}
+/**
+ * mono_counter_get_type:
+ * @counter: counter to get the type
+ *
+ * Returns the type used to strong the value of the counter.
+ *
+ * Returns:the type of the counter.
+ */
int
mono_counter_get_type (MonoCounter *counter)
{
return counter->type & MONO_COUNTER_TYPE_MASK;
}
+/**
+ * mono_counter_get_name:
+ * @counter: counter to get the name
+ *
+ * Returns the counter name. The string should not be freed.
+ *
+ * Returns the name of the counter.
+ */
+
const char*
mono_counter_get_name (MonoCounter *counter)
{
return counter->name;
}
+/**
+ * mono_counter_get_size:
+ * @counter: counter to get the max size of the counter
+ *
+ * Use the returned size to create the buffer used with mono_counters_sample
+ *
+ * Returns: the max size of the counter data.
+ */
size_t
mono_counter_get_size (MonoCounter *counter)
{
- switch (mono_counter_get_type (counter)) {
- case MONO_COUNTER_INT:
- return sizeof (int);
- case MONO_COUNTER_UINT:
- return sizeof (guint);
- case MONO_COUNTER_LONG:
- case MONO_COUNTER_TIME_INTERVAL:
- return sizeof (gint64);
- case MONO_COUNTER_ULONG:
- return sizeof (guint64);
- case MONO_COUNTER_WORD:
- return sizeof (gssize);
- case MONO_COUNTER_DOUBLE:
- return sizeof (double);
- case MONO_COUNTER_STRING:
- return -1; // FIXME
- default:
- g_assert_not_reached ();
- }
+ return counter->size;
}
/**
* Note that @name must be a valid string at all times until
* mono_counters_dump () is called.
*
+ * This function should not be used with counter types that require an explicit size such as string
+ * as the counter size will be set to zero making them effectively useless.
+ *
+ *
* It may be a function pointer if MONO_COUNTER_CALLBACK is specified:
* the function should return the value and take no arguments.
*/
void
mono_counters_register (const char* name, int type, void *addr)
+{
+ int size;
+ switch (type & MONO_COUNTER_TYPE_MASK) {
+ case MONO_COUNTER_INT:
+ size = sizeof (int);
+ break;
+ case MONO_COUNTER_UINT:
+ size = sizeof (guint);
+ break;
+ case MONO_COUNTER_LONG:
+ case MONO_COUNTER_TIME_INTERVAL:
+ size = sizeof (gint64);
+ break;
+ case MONO_COUNTER_ULONG:
+ size = sizeof (guint64);
+ break;
+ case MONO_COUNTER_WORD:
+ size = sizeof (gssize);
+ break;
+ case MONO_COUNTER_DOUBLE:
+ size = sizeof (double);
+ break;
+ case MONO_COUNTER_STRING:
+ size = 0;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+ mono_counters_register_with_size (name, type, addr, size);
+}
+
+/**
+ * mono_counters_register_with_size:
+ * @name: The name for this counters.
+ * @type: One of the possible MONO_COUNTER types, or MONO_COUNTER_CALLBACK for a function pointer.
+ * @addr: The address to register.
+ * @size: Max size of the counter data.
+ *
+ * Register addr as the address of a counter of type @type.
+ * Note that @name must be a valid string at all times until
+ * mono_counters_dump () is called.
+ *
+ * It may be a function pointer if MONO_COUNTER_CALLBACK is specified:
+ * the function should return the value and take no arguments.
+ *
+ * The value of @size is ignored for types with fixed size such as int and long.
+ *
+ * Use @size for types that can have dynamic size such as string.
+ *
+ * If @size is negative, it's silently converted to zero.
+ */
+void
+mono_counters_register_with_size (const char *name, int type, void *addr, int size)
{
MonoCounter *counter;
if ((type & MONO_COUNTER_VARIANCE_MASK) == 0)
type |= MONO_COUNTER_MONOTONIC;
+ if (size < 0)
+ size = 0;
counter = malloc (sizeof (MonoCounter));
if (!counter)
counter->type = type;
counter->addr = addr;
counter->next = NULL;
+ counter->size = size;
set_mask |= type;
#define ENTRY_FMT "%-36s: "
static void
dump_counter (MonoCounter *counter, FILE *outfile) {
- int intval;
- guint uintval;
- gint64 int64val;
- guint64 uint64val;
- gssize wordval;
- double dval;
- const char *str;
+ void *buffer = g_malloc0 (counter->size);
+ mono_counters_sample (counter, buffer, counter->size);
+
switch (counter->type & MONO_COUNTER_TYPE_MASK) {
case MONO_COUNTER_INT:
- if (counter->type & MONO_COUNTER_CALLBACK)
- intval = ((IntFunc)counter->addr) ();
- else
- intval = *(int*)counter->addr;
- fprintf (outfile, ENTRY_FMT "%d\n", counter->name, intval);
- break;
+ fprintf (outfile, ENTRY_FMT "%d\n", counter->name, *(int*)buffer);
+ break;
case MONO_COUNTER_UINT:
- if (counter->type & MONO_COUNTER_CALLBACK)
- uintval = ((UIntFunc)counter->addr) ();
- else
- uintval = *(guint*)counter->addr;
- fprintf (outfile, ENTRY_FMT "%u\n", counter->name, uintval);
- break;
+ fprintf (outfile, ENTRY_FMT "%u\n", counter->name, *(guint*)buffer);
+ break;
case MONO_COUNTER_LONG:
- if (counter->type & MONO_COUNTER_CALLBACK)
- int64val = ((LongFunc)counter->addr) ();
- else
- int64val = *(gint64*)counter->addr;
- if (mono_counter_get_unit (counter) == MONO_COUNTER_TIME)
- fprintf (outfile, ENTRY_FMT "%.2f ms\n", counter->name, (double)int64val / 10000.0);
- else
- fprintf (outfile, ENTRY_FMT "%lld\n", counter->name, (long long)int64val);
- break;
+ if ((counter->type & MONO_COUNTER_UNIT_MASK) == MONO_COUNTER_TIME)
+ fprintf (outfile, ENTRY_FMT "%.2f ms\n", counter->name, (double)(*(gint64*)buffer) / 10000.0);
+ else
+ fprintf (outfile, ENTRY_FMT "%lld\n", counter->name, *(gint64*)buffer);
+ break;
case MONO_COUNTER_ULONG:
- if (counter->type & MONO_COUNTER_CALLBACK)
- uint64val = ((ULongFunc)counter->addr) ();
- else
- uint64val = *(guint64*)counter->addr;
- fprintf (outfile, ENTRY_FMT "%llu\n", counter->name, (unsigned long long)uint64val);
- break;
+ fprintf (outfile, ENTRY_FMT "%llu\n", counter->name, *(guint64*)buffer);
+ break;
case MONO_COUNTER_WORD:
- if (counter->type & MONO_COUNTER_CALLBACK)
- wordval = ((PtrFunc)counter->addr) ();
- else
- wordval = *(gssize*)counter->addr;
- fprintf (outfile, ENTRY_FMT "%zd\n", counter->name, (gint64)wordval);
- break;
+ fprintf (outfile, ENTRY_FMT "%zd\n", counter->name, *(gssize*)buffer);
+ break;
case MONO_COUNTER_DOUBLE:
- if (counter->type & MONO_COUNTER_CALLBACK)
- dval = ((DoubleFunc)counter->addr) ();
- else
- dval = *(double*)counter->addr;
- fprintf (outfile, ENTRY_FMT "%.4f\n", counter->name, dval);
- break;
+ fprintf (outfile, ENTRY_FMT "%.4f\n", counter->name, *(double*)buffer);
+ break;
case MONO_COUNTER_STRING:
- if (counter->type & MONO_COUNTER_CALLBACK)
- str = ((StrFunc)counter->addr) ();
- else
- str = *(char**)counter->addr;
- fprintf (outfile, ENTRY_FMT "%s\n", counter->name, str);
- break;
+ fprintf (outfile, ENTRY_FMT "%s\n", counter->name, (counter->size == 0) ? "(null)" : (char*)buffer);
+ break;
case MONO_COUNTER_TIME_INTERVAL:
- if (counter->type & MONO_COUNTER_CALLBACK)
- int64val = ((LongFunc)counter->addr) ();
- else
- int64val = *(gint64*)counter->addr;
- fprintf (outfile, ENTRY_FMT "%.2f ms\n", counter->name, (double)int64val / 1000.0);
+ fprintf (outfile, ENTRY_FMT "%.2f ms\n", counter->name, (double)(*(gint64*)buffer) / 1000.0);
break;
}
+
+ g_free (buffer);
}
+ static gint64
+ user_time ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_USER_TIME);
+ }
+
+ static gint64
+ system_time ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_SYSTEM_TIME);
+ }
+
+ static gint64
+ total_time ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_TOTAL_TIME);
+ }
+
+ static gint64
+ working_set ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_WORKING_SET);
+ }
+
+ static gint64
+ private_bytes ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_PRIVATE_BYTES);
+ }
+
+ static gint64
+ virtual_bytes ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_VIRTUAL_BYTES);
+ }
+
+ static gint64
+ page_faults ()
+ {
+ return mono_process_get_data (GINT_TO_POINTER (mono_process_current_pid ()), MONO_PROCESS_FAULTS);
+ }
+
+ static double
+ cpu_load (int kind)
+ {
+ #if defined(TARGET_WIN32)
+ #elif defined(TARGET_MACH)
+ double load [3];
+ if (getloadavg (load, 3) > 0)
+ return load [kind];
+ #else
+ char buffer[512], *b;
+ int len, i;
+ FILE *f = fopen ("/proc/loadavg", "r");
+ if (f) {
+ len = fread (buffer, 1, sizeof (buffer) - 1, f);
+ if (len > 0) {
+ buffer [len < 511 ? len : 511] = 0;
+ b = buffer;
+ for (i = 0; i < 3; i++) {
+ if (kind == i)
+ return strtod (b, NULL);
+ if (i < 2) {
+ b = strchr (b, ' ');
+ if (!b)
+ return 0;
+ b += 1;
+ }
+ }
+ }
+ fclose (f);
+ }
+ #endif
+ return 0;
+ }
+
+ static double
+ cpu_load_1min ()
+ {
+ return cpu_load (0);
+ }
+
+ static double
+ cpu_load_5min ()
+ {
+ return cpu_load (1);
+ }
+
+ static double
+ cpu_load_15min ()
+ {
+ return cpu_load (2);
+ }
+
+ static gboolean system_counters_initialized = FALSE;
+
+ #define SYSCOUNTER_TIME (MONO_COUNTER_SYSTEM | MONO_COUNTER_LONG | MONO_COUNTER_TIME | MONO_COUNTER_MONOTONIC | MONO_COUNTER_CALLBACK)
+ #define SYSCOUNTER_BYTES (MONO_COUNTER_SYSTEM | MONO_COUNTER_LONG | MONO_COUNTER_BYTES | MONO_COUNTER_VARIABLE | MONO_COUNTER_CALLBACK)
+ #define SYSCOUNTER_COUNT (MONO_COUNTER_SYSTEM | MONO_COUNTER_LONG | MONO_COUNTER_COUNT | MONO_COUNTER_MONOTONIC | MONO_COUNTER_CALLBACK)
+ #define SYSCOUNTER_LOAD (MONO_COUNTER_SYSTEM | MONO_COUNTER_DOUBLE | MONO_COUNTER_PERCENTAGE | MONO_COUNTER_VARIABLE | MONO_COUNTER_CALLBACK)
+
+ static void
+ initialize_system_counters ()
+ {
+ mono_counters_register ("User Time", SYSCOUNTER_TIME, &user_time);
+ mono_counters_register ("System Time", SYSCOUNTER_TIME, &system_time);
+ mono_counters_register ("Total Time", SYSCOUNTER_TIME, &total_time);
+ mono_counters_register ("Working Set", SYSCOUNTER_BYTES, &working_set);
+ mono_counters_register ("Private Bytes", SYSCOUNTER_BYTES, &private_bytes);
+ mono_counters_register ("Virtual Bytes", SYSCOUNTER_BYTES, &virtual_bytes);
+ mono_counters_register ("Page Faults", SYSCOUNTER_COUNT, &page_faults);
+ mono_counters_register ("CPU Load Average - 1min", SYSCOUNTER_LOAD, &cpu_load_1min);
+ mono_counters_register ("CPU Load Average - 5min", SYSCOUNTER_LOAD, &cpu_load_5min);
+ mono_counters_register ("CPU Load Average - 15min", SYSCOUNTER_LOAD, &cpu_load_15min);
+
+ system_counters_initialized = TRUE;
+ }
/**
* mono_counters_foreach:
{
MonoCounter *counter;
+ if (!system_counters_initialized)
+ initialize_system_counters ();
+
for (counter = counters; counter; counter = counter->next) {
if (!cb (counter, user_data))
return;
int cb = counter->type & MONO_COUNTER_CALLBACK;
int size = -1;
+ char *strval;
+
switch (mono_counter_get_type (counter)) {
case MONO_COUNTER_INT:
COPY_COUNTER (int, IntFunc);
COPY_COUNTER (double, DoubleFunc);
break;
case MONO_COUNTER_STRING:
- // FIXME : add support for string sampling
- break;
+ if (buffer_size < counter->size)
+ return -1;
+ if (counter->size == 0)
+ return 0;
+ strval = cb ? ((StrFunc)counter->addr) () : (char*)counter->addr;
+ if (!strval)
+ return 0;
+ size = counter->size;
+ strncpy (buffer, strval, size - 1);
+ ((char*)buffer)[size - 1] = '\0';
}
return size;
};
static void
-mono_counters_dump_section (int section, FILE *outfile)
+mono_counters_dump_section (int section, int variance, FILE *outfile)
{
MonoCounter *counter = counters;
while (counter) {
- if ((counter->type & section) && (mono_counter_get_variance (counter) & section))
+ if ((counter->type & section) && (mono_counter_get_variance (counter) & variance))
dump_counter (counter, outfile);
counter = counter->next;
}
mono_counters_dump (int section_mask, FILE *outfile)
{
int i, j;
+ int variance;
section_mask &= valid_mask;
if (!counters)
return;
+ variance = section_mask & MONO_COUNTER_VARIANCE_MASK;
+
/* If no variance mask is supplied, we default to all kinds. */
- if (!(section_mask & MONO_COUNTER_VARIANCE_MASK))
- section_mask |= MONO_COUNTER_VARIANCE_MASK;
+ if (!variance)
+ variance = MONO_COUNTER_VARIANCE_MASK;
+ section_mask &= ~MONO_COUNTER_VARIANCE_MASK;
for (j = 0, i = MONO_COUNTER_JIT; i < MONO_COUNTER_LAST_SECTION; j++, i <<= 1) {
if ((section_mask & i) && (set_mask & i)) {
fprintf (outfile, "\n%s statistics\n", section_names [j]);
- mono_counters_dump_section (i | (section_mask & MONO_COUNTER_VARIANCE_MASK), outfile);
+ mono_counters_dump_section (i, variance, outfile);
}
}
projects / mono.git / commitdiff