more timer changes

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16098 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2009-12-30 20:55:04 +00:00
parent 648da02c1d
commit f97846f492
5 changed files with 165 additions and 57 deletions

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@ -218,6 +218,19 @@ struct switch_runtime {
extern struct switch_runtime runtime;
struct switch_session_manager {
switch_memory_pool_t *memory_pool;
switch_hash_t *session_table;
uint32_t session_count;
uint32_t session_limit;
switch_size_t session_id;
};
extern struct switch_session_manager session_manager;
switch_status_t switch_core_sqldb_start(switch_memory_pool_t *pool, switch_bool_t manage);
void switch_core_sqldb_stop(void);
void switch_core_session_init(switch_memory_pool_t *pool);

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@ -1942,6 +1942,7 @@ SWITCH_DECLARE(switch_bool_t) switch_check_network_list_ip_token(const char *ip_
#define switch_check_network_list_ip(_ip_str, _list_name) switch_check_network_list_ip_token(_ip_str, _list_name, NULL)
SWITCH_DECLARE(void) switch_time_set_monotonic(switch_bool_t enable);
SWITCH_DECLARE(void) switch_time_set_nanosleep(switch_bool_t enable);
SWITCH_DECLARE(void) switch_time_set_matrix(switch_bool_t enable);
SWITCH_DECLARE(void) switch_time_set_cond_yield(switch_bool_t enable);
SWITCH_DECLARE(uint32_t) switch_core_min_dtmf_duration(uint32_t duration);
SWITCH_DECLARE(uint32_t) switch_core_max_dtmf_duration(uint32_t duration);

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@ -1415,6 +1415,8 @@ static void switch_load_core_config(const char *file)
switch_time_set_nanosleep(switch_true(var));
} else if (!strcasecmp(var, "enable-cond-yield")) {
switch_time_set_cond_yield(switch_true(var));
} else if (!strcasecmp(var, "enable-timer-matrix")) {
switch_time_set_matrix(switch_true(var));
} else if (!strcasecmp(var, "max-sessions") && !zstr(val)) {
switch_core_session_limit(atoi(val));
} else if (!strcasecmp(var, "rtp-start-port") && !zstr(val)) {

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@ -36,13 +36,7 @@
#include "switch_core.h"
#include "private/switch_core_pvt.h"
static struct {
switch_memory_pool_t *memory_pool;
switch_hash_t *session_table;
uint32_t session_count;
uint32_t session_limit;
switch_size_t session_id;
} session_manager;
struct switch_session_manager session_manager;
#ifdef SWITCH_DEBUG_RWLOCKS
SWITCH_DECLARE(switch_core_session_t *) switch_core_session_perform_locate(const char *uuid_str, const char *file, const char *func, int line)

View File

@ -45,6 +45,32 @@
#define MAX_TICK UINT32_MAX - 1024
#define MAX_ELEMENTS 3600
#define IDLE_SPEED 100
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
static int MONO = 1;
#else
static int MONO = 0;
#endif
#if defined(HAVE_CLOCK_NANOSLEEP)
static int NANO = 1;
#else
static int NANO = 0;
#endif
static int OFFSET = 0;
static int COND = 0;
static int MATRIX = 1;
static int STEP_MS = 10;
static int STEP_MIC = 10000;
static int TICK_PER_SEC = 100;
static int MS_PER_TICK = 10;
static switch_memory_pool_t *module_pool = NULL;
@ -66,12 +92,6 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(softtimer_shutdown);
SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime);
SWITCH_MODULE_DEFINITION(CORE_SOFTTIMER_MODULE, softtimer_load, softtimer_shutdown, softtimer_runtime);
#define MAX_ELEMENTS 3600
#define IDLE_SPEED 100
#define STEP_MS 1
#define STEP_MIC 1000
#define TICK_PER_SEC 1000
struct timer_private {
switch_size_t reference;
switch_size_t start;
@ -92,6 +112,15 @@ typedef struct timer_matrix timer_matrix_t;
static timer_matrix_t TIMER_MATRIX[MAX_ELEMENTS + 1];
static void os_yield(void)
{
#if defined(WIN32)
SwitchToThread();
#else
sched_yield();
#endif
}
static void do_sleep(switch_interval_time_t t)
{
#if defined(HAVE_CLOCK_NANOSLEEP) || defined(DARWIN)
@ -105,16 +134,18 @@ static void do_sleep(switch_interval_time_t t)
#endif
#if !defined(DARWIN)
if (t > 100000) {
if (t > 100000 || !NANO) {
apr_sleep(t);
return;
}
#endif
#if defined(HAVE_CLOCK_NANOSLEEP)
ts.tv_sec = t / APR_USEC_PER_SEC;
ts.tv_nsec = ((t % APR_USEC_PER_SEC) * 1000) - 1000000;
t -= OFFSET;
ts.tv_sec = t / 1000000;
ts.tv_nsec = ((t % 1000000) * 1000);
clock_nanosleep(CLOCK_MONOTONIC, 0, &ts, NULL);
#elif defined(DARWIN)
ts.tv_sec = t / APR_USEC_PER_SEC;
ts.tv_nsec = (t % APR_USEC_PER_SEC) * 1000;
@ -129,6 +160,48 @@ sched_yield();
}
static switch_interval_time_t average_time(switch_interval_time_t t, int reps)
{
int x = 0;
switch_time_t start, stop, sum = 0;
for(x = 0; x < reps; x++) {
start = switch_time_now();
do_sleep(t);
stop = switch_time_now();
sum += (stop - start);
}
return sum / reps;
}
static void calibrate_clock(void)
{
int x;
switch_interval_time_t avg, val = 1000, want = 1000;
int over = 0, under = 0, good = 0;
for (x = 0; x < 500; x++) {
avg = average_time(val, 100);
if (abs(want - avg) <= 2) {
if (++good > 10) {
break;
}
} else if (avg > want) {
val--;
over++;
} else if (avg < want) {
val++;
under++;
}
}
OFFSET = want - val;
}
SWITCH_DECLARE(switch_time_t) switch_micro_time_now(void)
{
return (globals.RUNNING == 1 && runtime.timestamp) ? runtime.timestamp : switch_time_now();
@ -144,33 +217,41 @@ SWITCH_DECLARE(time_t) switch_epoch_time_now(time_t *t)
return now;
}
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
static int MONO = 1;
#else
static int MONO = 0;
#endif
#if defined(HAVE_CLOCK_NANOSLEEP)
static int NANO = 1;
#else
static int NANO = 0;
#endif
SWITCH_DECLARE(void) switch_time_set_monotonic(switch_bool_t enable)
{
MONO = enable ? 1 : 0;
switch_time_sync();
}
SWITCH_DECLARE(void) switch_time_set_matrix(switch_bool_t enable)
{
MATRIX = enable ? 1 : 0;
if (MATRIX) {
STEP_MS = 1;
STEP_MIC = 1000;
TICK_PER_SEC = 1000;
} else {
STEP_MS = 10;
STEP_MIC = 10000;
TICK_PER_SEC = 100;
}
switch_time_sync();
}
SWITCH_DECLARE(void) switch_time_set_nanosleep(switch_bool_t enable)
{
#if defined(HAVE_CLOCK_NANOSLEEP)
NANO = enable ? 1 : 0;
#endif
}
SWITCH_DECLARE(void) switch_time_set_cond_yield(switch_bool_t enable)
{
globals.use_cond_yield = enable ? 1 : 0;
COND = enable ? 1 : 0;
if (COND) {
MATRIX = 1;
}
}
static switch_time_t time_now(int64_t offset)
@ -226,6 +307,11 @@ SWITCH_DECLARE(void) switch_sleep(switch_interval_time_t t)
SWITCH_DECLARE(void) switch_cond_next(void)
{
if (session_manager.session_count > 1000) {
os_yield();
return;
}
#ifdef DISABLE_1MS_COND
do_sleep(1000);
#else
@ -291,6 +377,10 @@ static switch_status_t timer_init(switch_timer_t *timer)
if (timer->interval > 0 && timer->interval < MS_PER_TICK) {
MS_PER_TICK = timer->interval;
STEP_MS = 1;
STEP_MIC = 1000;
TICK_PER_SEC = 1000;
switch_time_sync();
}
return SWITCH_STATUS_SUCCESS;
@ -366,33 +456,31 @@ static switch_status_t timer_next(switch_timer_t *timer)
}
timer_step(timer);
if (!MATRIX) {
do_sleep(1000 * timer->interval);
goto end;
}
while (globals.RUNNING == 1 && private_info->ready && TIMER_MATRIX[timer->interval].tick < private_info->reference) {
check_roll();
if (NANO) {
do_sleep(1000 * timer->interval);
continue;
}
if (globals.use_cond_yield == 1) {
if (switch_mutex_lock(TIMER_MATRIX[cond_index].mutex) == SWITCH_STATUS_SUCCESS) {
if (TIMER_MATRIX[timer->interval].tick < private_info->reference) {
switch_thread_cond_wait(TIMER_MATRIX[cond_index].cond, TIMER_MATRIX[cond_index].mutex);
}
switch_mutex_unlock(TIMER_MATRIX[cond_index].mutex);
switch_mutex_lock(TIMER_MATRIX[cond_index].mutex);
if (TIMER_MATRIX[timer->interval].tick < private_info->reference) {
switch_thread_cond_wait(TIMER_MATRIX[cond_index].cond, TIMER_MATRIX[cond_index].mutex);
}
switch_mutex_unlock(TIMER_MATRIX[cond_index].mutex);
} else {
if (session_manager.session_count > 1000) {
os_yield();
} else {
do_sleep(1000);
}
} else {
do_sleep(1000);
}
}
if (globals.RUNNING == 1) {
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
end:
return globals.RUNNING == 1 ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
}
static switch_status_t timer_check(switch_timer_t *timer, switch_bool_t step)
@ -492,7 +580,11 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
}
#endif
globals.use_cond_yield = globals.RUNNING = 1;
calibrate_clock();
switch_time_sync();
globals.use_cond_yield = COND;
globals.RUNNING = 1;
while (globals.RUNNING == 1) {
runtime.reference += STEP_MIC;
@ -513,7 +605,13 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
} else {
rev_errs = 0;
}
do_sleep(STEP_MIC);
if (session_manager.session_count > 1000) {
os_yield();
} else {
do_sleep(STEP_MIC);
}
last = ts;
}
@ -570,18 +668,18 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
#endif
if ((current_ms % MS_PER_TICK) == 0) {
if (MATRIX && (current_ms % MS_PER_TICK) == 0) {
for (x = MS_PER_TICK; x <= MAX_ELEMENTS; x += MS_PER_TICK) {
if ((current_ms % x) == 0) {
if (TIMER_MATRIX[x].count) {
TIMER_MATRIX[x].tick++;
#ifdef DISABLE_1MS_COND
if (!NANO) {
if (TIMER_MATRIX[x].mutex && switch_mutex_trylock(TIMER_MATRIX[x].mutex) == SWITCH_STATUS_SUCCESS) {
switch_thread_cond_broadcast(TIMER_MATRIX[x].cond);
switch_mutex_unlock(TIMER_MATRIX[x].mutex);
}
if (TIMER_MATRIX[x].mutex && switch_mutex_trylock(TIMER_MATRIX[x].mutex) == SWITCH_STATUS_SUCCESS) {
switch_thread_cond_broadcast(TIMER_MATRIX[x].cond);
switch_mutex_unlock(TIMER_MATRIX[x].mutex);
}
#endif
if (TIMER_MATRIX[x].tick == MAX_TICK) {
TIMER_MATRIX[x].tick = 0;