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
parent
648da02c1d
commit
f97846f492
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@ -218,6 +218,19 @@ struct switch_runtime {
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extern struct switch_runtime runtime;
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struct switch_session_manager {
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switch_memory_pool_t *memory_pool;
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switch_hash_t *session_table;
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uint32_t session_count;
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uint32_t session_limit;
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switch_size_t session_id;
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};
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extern struct switch_session_manager session_manager;
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switch_status_t switch_core_sqldb_start(switch_memory_pool_t *pool, switch_bool_t manage);
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void switch_core_sqldb_stop(void);
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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_
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#define switch_check_network_list_ip(_ip_str, _list_name) switch_check_network_list_ip_token(_ip_str, _list_name, NULL)
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SWITCH_DECLARE(void) switch_time_set_monotonic(switch_bool_t enable);
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SWITCH_DECLARE(void) switch_time_set_nanosleep(switch_bool_t enable);
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SWITCH_DECLARE(void) switch_time_set_matrix(switch_bool_t enable);
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SWITCH_DECLARE(void) switch_time_set_cond_yield(switch_bool_t enable);
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SWITCH_DECLARE(uint32_t) switch_core_min_dtmf_duration(uint32_t duration);
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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)
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switch_time_set_nanosleep(switch_true(var));
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} else if (!strcasecmp(var, "enable-cond-yield")) {
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switch_time_set_cond_yield(switch_true(var));
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} else if (!strcasecmp(var, "enable-timer-matrix")) {
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switch_time_set_matrix(switch_true(var));
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} else if (!strcasecmp(var, "max-sessions") && !zstr(val)) {
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switch_core_session_limit(atoi(val));
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} else if (!strcasecmp(var, "rtp-start-port") && !zstr(val)) {
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@ -36,13 +36,7 @@
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#include "switch_core.h"
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#include "private/switch_core_pvt.h"
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static struct {
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switch_memory_pool_t *memory_pool;
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switch_hash_t *session_table;
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uint32_t session_count;
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uint32_t session_limit;
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switch_size_t session_id;
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} session_manager;
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struct switch_session_manager session_manager;
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#ifdef SWITCH_DEBUG_RWLOCKS
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SWITCH_DECLARE(switch_core_session_t *) switch_core_session_perform_locate(const char *uuid_str, const char *file, const char *func, int line)
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@ -45,6 +45,32 @@
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#define MAX_TICK UINT32_MAX - 1024
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#define MAX_ELEMENTS 3600
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#define IDLE_SPEED 100
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#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
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static int MONO = 1;
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#else
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static int MONO = 0;
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#endif
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#if defined(HAVE_CLOCK_NANOSLEEP)
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static int NANO = 1;
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#else
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static int NANO = 0;
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#endif
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static int OFFSET = 0;
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static int COND = 0;
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static int MATRIX = 1;
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static int STEP_MS = 10;
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static int STEP_MIC = 10000;
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static int TICK_PER_SEC = 100;
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static int MS_PER_TICK = 10;
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static switch_memory_pool_t *module_pool = NULL;
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@ -66,12 +92,6 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(softtimer_shutdown);
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SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime);
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SWITCH_MODULE_DEFINITION(CORE_SOFTTIMER_MODULE, softtimer_load, softtimer_shutdown, softtimer_runtime);
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#define MAX_ELEMENTS 3600
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#define IDLE_SPEED 100
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#define STEP_MS 1
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#define STEP_MIC 1000
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#define TICK_PER_SEC 1000
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struct timer_private {
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switch_size_t reference;
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switch_size_t start;
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@ -92,6 +112,15 @@ typedef struct timer_matrix timer_matrix_t;
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static timer_matrix_t TIMER_MATRIX[MAX_ELEMENTS + 1];
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static void os_yield(void)
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{
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#if defined(WIN32)
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SwitchToThread();
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#else
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sched_yield();
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#endif
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}
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static void do_sleep(switch_interval_time_t t)
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{
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#if defined(HAVE_CLOCK_NANOSLEEP) || defined(DARWIN)
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@ -105,16 +134,18 @@ static void do_sleep(switch_interval_time_t t)
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#endif
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#if !defined(DARWIN)
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if (t > 100000) {
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if (t > 100000 || !NANO) {
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apr_sleep(t);
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return;
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}
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#endif
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#if defined(HAVE_CLOCK_NANOSLEEP)
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ts.tv_sec = t / APR_USEC_PER_SEC;
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ts.tv_nsec = ((t % APR_USEC_PER_SEC) * 1000) - 1000000;
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t -= OFFSET;
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ts.tv_sec = t / 1000000;
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ts.tv_nsec = ((t % 1000000) * 1000);
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clock_nanosleep(CLOCK_MONOTONIC, 0, &ts, NULL);
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#elif defined(DARWIN)
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ts.tv_sec = t / APR_USEC_PER_SEC;
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ts.tv_nsec = (t % APR_USEC_PER_SEC) * 1000;
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@ -129,6 +160,48 @@ sched_yield();
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}
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static switch_interval_time_t average_time(switch_interval_time_t t, int reps)
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{
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int x = 0;
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switch_time_t start, stop, sum = 0;
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for(x = 0; x < reps; x++) {
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start = switch_time_now();
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do_sleep(t);
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stop = switch_time_now();
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sum += (stop - start);
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}
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return sum / reps;
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}
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static void calibrate_clock(void)
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{
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int x;
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switch_interval_time_t avg, val = 1000, want = 1000;
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int over = 0, under = 0, good = 0;
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for (x = 0; x < 500; x++) {
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avg = average_time(val, 100);
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if (abs(want - avg) <= 2) {
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if (++good > 10) {
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break;
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}
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} else if (avg > want) {
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val--;
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over++;
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} else if (avg < want) {
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val++;
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under++;
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}
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}
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OFFSET = want - val;
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}
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SWITCH_DECLARE(switch_time_t) switch_micro_time_now(void)
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{
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return (globals.RUNNING == 1 && runtime.timestamp) ? runtime.timestamp : switch_time_now();
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@ -144,33 +217,41 @@ SWITCH_DECLARE(time_t) switch_epoch_time_now(time_t *t)
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return now;
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}
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#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
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static int MONO = 1;
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#else
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static int MONO = 0;
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#endif
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#if defined(HAVE_CLOCK_NANOSLEEP)
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static int NANO = 1;
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#else
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static int NANO = 0;
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#endif
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SWITCH_DECLARE(void) switch_time_set_monotonic(switch_bool_t enable)
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{
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MONO = enable ? 1 : 0;
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switch_time_sync();
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}
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SWITCH_DECLARE(void) switch_time_set_matrix(switch_bool_t enable)
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{
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MATRIX = enable ? 1 : 0;
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if (MATRIX) {
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STEP_MS = 1;
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STEP_MIC = 1000;
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TICK_PER_SEC = 1000;
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} else {
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STEP_MS = 10;
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STEP_MIC = 10000;
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TICK_PER_SEC = 100;
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}
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switch_time_sync();
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}
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SWITCH_DECLARE(void) switch_time_set_nanosleep(switch_bool_t enable)
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{
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#if defined(HAVE_CLOCK_NANOSLEEP)
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NANO = enable ? 1 : 0;
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#endif
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}
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SWITCH_DECLARE(void) switch_time_set_cond_yield(switch_bool_t enable)
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{
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globals.use_cond_yield = enable ? 1 : 0;
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COND = enable ? 1 : 0;
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if (COND) {
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MATRIX = 1;
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}
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}
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static switch_time_t time_now(int64_t offset)
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@ -226,6 +307,11 @@ SWITCH_DECLARE(void) switch_sleep(switch_interval_time_t t)
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SWITCH_DECLARE(void) switch_cond_next(void)
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{
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if (session_manager.session_count > 1000) {
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os_yield();
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return;
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}
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#ifdef DISABLE_1MS_COND
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do_sleep(1000);
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#else
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@ -291,6 +377,10 @@ static switch_status_t timer_init(switch_timer_t *timer)
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if (timer->interval > 0 && timer->interval < MS_PER_TICK) {
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MS_PER_TICK = timer->interval;
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STEP_MS = 1;
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STEP_MIC = 1000;
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TICK_PER_SEC = 1000;
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switch_time_sync();
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}
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return SWITCH_STATUS_SUCCESS;
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@ -366,33 +456,31 @@ static switch_status_t timer_next(switch_timer_t *timer)
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}
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timer_step(timer);
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if (!MATRIX) {
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do_sleep(1000 * timer->interval);
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goto end;
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}
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while (globals.RUNNING == 1 && private_info->ready && TIMER_MATRIX[timer->interval].tick < private_info->reference) {
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check_roll();
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if (NANO) {
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do_sleep(1000 * timer->interval);
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continue;
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}
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if (globals.use_cond_yield == 1) {
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if (switch_mutex_lock(TIMER_MATRIX[cond_index].mutex) == SWITCH_STATUS_SUCCESS) {
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switch_mutex_lock(TIMER_MATRIX[cond_index].mutex);
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if (TIMER_MATRIX[timer->interval].tick < private_info->reference) {
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switch_thread_cond_wait(TIMER_MATRIX[cond_index].cond, TIMER_MATRIX[cond_index].mutex);
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}
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switch_mutex_unlock(TIMER_MATRIX[cond_index].mutex);
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} else {
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do_sleep(1000);
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}
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if (session_manager.session_count > 1000) {
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os_yield();
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} else {
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do_sleep(1000);
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}
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}
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if (globals.RUNNING == 1) {
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return SWITCH_STATUS_SUCCESS;
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}
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return SWITCH_STATUS_FALSE;
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end:
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return globals.RUNNING == 1 ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
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}
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static switch_status_t timer_check(switch_timer_t *timer, switch_bool_t step)
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@ -492,7 +580,11 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
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}
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#endif
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globals.use_cond_yield = globals.RUNNING = 1;
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calibrate_clock();
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switch_time_sync();
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globals.use_cond_yield = COND;
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globals.RUNNING = 1;
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while (globals.RUNNING == 1) {
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runtime.reference += STEP_MIC;
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@ -513,7 +605,13 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
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} else {
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rev_errs = 0;
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}
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if (session_manager.session_count > 1000) {
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os_yield();
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} else {
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do_sleep(STEP_MIC);
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}
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last = ts;
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}
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@ -570,18 +668,18 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
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#endif
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if ((current_ms % MS_PER_TICK) == 0) {
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if (MATRIX && (current_ms % MS_PER_TICK) == 0) {
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for (x = MS_PER_TICK; x <= MAX_ELEMENTS; x += MS_PER_TICK) {
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if ((current_ms % x) == 0) {
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if (TIMER_MATRIX[x].count) {
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TIMER_MATRIX[x].tick++;
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#ifdef DISABLE_1MS_COND
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if (!NANO) {
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if (TIMER_MATRIX[x].mutex && switch_mutex_trylock(TIMER_MATRIX[x].mutex) == SWITCH_STATUS_SUCCESS) {
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switch_thread_cond_broadcast(TIMER_MATRIX[x].cond);
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switch_mutex_unlock(TIMER_MATRIX[x].mutex);
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}
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}
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#endif
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if (TIMER_MATRIX[x].tick == MAX_TICK) {
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TIMER_MATRIX[x].tick = 0;
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