-/* Authors: Arnaud Legrand */
+/* $Id$ */
+
+/* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include "cpu_private.h"
#include "xbt/dict.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(cpu, surf,
+ "Logging specific to the SURF CPU module");
+
surf_cpu_resource_t surf_cpu_resource = NULL;
+
static xbt_dict_t cpu_set = NULL;
-static lmm_system_t sys = NULL;
+
+static void cpu_free(void *CPU)
+{
+/* cpu_t cpu = CPU; */
+/* lmm_constraint_free(maxmin_system,cpu->constraint); */
+/* Clean somewhere else ! */
+
+ xbt_free(CPU);
+}
/* power_scale is the basic power of the cpu when the cpu is
- completely available. initial_power is therefore expected to be
+ completely available. power_initial is therefore expected to be
comprised between 0.0 and 1.0, just as the values of power_trace.
state_trace values mean SURF_CPU_ON if >0 and SURF_CPU_OFF
otherwise.
*/
-
-static void *new_cpu(const char *name, xbt_maxmin_float_t power_scale,
- xbt_maxmin_float_t initial_power, tmgr_trace_t power_trace,
- e_surf_cpu_state_t initial_state, tmgr_trace_t state_trace)
+static cpu_t cpu_new(const char *name, xbt_maxmin_float_t power_scale,
+ xbt_maxmin_float_t power_initial,
+ tmgr_trace_t power_trace,
+ e_surf_cpu_state_t state_initial,
+ tmgr_trace_t state_trace)
{
- cpu_t cpu = xbt_new0(s_cpu_t,1);
+ cpu_t cpu = xbt_new0(s_cpu_t, 1);
+ cpu->resource = (surf_resource_t) surf_cpu_resource;
cpu->name = name;
cpu->power_scale = power_scale;
- cpu->current_power = initial_power;
- cpu->power_trace = power_trace;
- cpu->current_state = initial_state;
- cpu->state_trace = state_trace;
- cpu->constraint = lmm_constraint_new(sys, cpu, cpu->current_power * cpu->power_scale);
+ cpu->power_current = power_initial;
+/* cpu->power_trace = power_trace; */
+ if (power_trace)
+ cpu->power_event =
+ tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
+
+ cpu->state_current = state_initial;
+/* cpu->state_trace = state_trace; */
+ if (state_trace)
+ cpu->state_event =
+ tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
- xbt_dict_set(cpu_set, name, cpu, NULL);
+ cpu->constraint =
+ lmm_constraint_new(maxmin_system, cpu,
+ cpu->power_current * cpu->power_scale);
+
+ xbt_dict_set(cpu_set, name, cpu, cpu_free);
return cpu;
}
+/*
+ Semantic: name scale initial power initial state
+ power trace state trace
+
+ Token: TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD TOKEN_WORD
+ Type: string float float string ON/OFF string
+*/
+
+static void parse_cpu(void)
+{
+ e_surf_token_t token;
+ char *name = NULL;
+ xbt_maxmin_float_t power_scale = 0.0;
+ xbt_maxmin_float_t power_initial = 0.0;
+ tmgr_trace_t power_trace = NULL;;
+ e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
+ tmgr_trace_t state_trace = NULL;
+
+ name = xbt_strdup(surf_parse_text);
+
+ surf_parse_float(&power_scale);
+ surf_parse_float(&power_initial);
+ surf_parse_trace(&power_trace);
+
+ token = surf_parse(); /* state_initial */
+ xbt_assert1((token == TOKEN_WORD), "Parse error line %d", line_pos);
+ if (strcmp(surf_parse_text, "ON") == 0)
+ state_initial = SURF_CPU_ON;
+ else if (strcmp(surf_parse_text, "OFF") == 0)
+ state_initial = SURF_CPU_OFF;
+ else {
+ CRITICAL2("Invalid cpu state (line %d): %s neq ON or OFF\n", line_pos,
+ surf_parse_text);
+ xbt_abort();
+ }
+
+ surf_parse_trace(&state_trace);
+
+ cpu_new(name, power_scale, power_initial, power_trace, state_initial,
+ state_trace);
+}
+
static void parse_file(const char *file)
{
- new_cpu("Cpu A", 20.0, 1.0, NULL, SURF_CPU_ON, NULL);
- new_cpu("Cpu B", 120.0, 1.0, NULL, SURF_CPU_ON, NULL);
+ e_surf_token_t token;
+
+ find_section(file, "CPU");
+
+ while (1) {
+ token = surf_parse();
+
+ if (token == TOKEN_END_SECTION)
+ break;
+ if (token == TOKEN_NEWLINE)
+ continue;
+
+ if (token == TOKEN_WORD)
+ parse_cpu();
+ else {
+ CRITICAL1("Parse error line %d\n", line_pos);
+ xbt_abort();
+ }
+ }
+
+ close_section("CPU");
}
static void *name_service(const char *name)
{
- void *cpu=NULL;
-
+ void *cpu = NULL;
+
xbt_dict_get(cpu_set, name, &cpu);
return cpu;
static int resource_used(void *resource_id)
{
- return lmm_constraint_used(sys, ((cpu_t)resource_id)->constraint);
+ return lmm_constraint_used(maxmin_system,
+ ((cpu_t) resource_id)->constraint);
}
-static surf_action_t action_new(void *callback)
+static void action_free(surf_action_t action)
{
- return NULL;
-}
+ surf_action_cpu_t Action = (surf_action_cpu_t) action;
-static e_surf_action_state_t action_get_state(surf_action_t action)
-{
- return SURF_ACTION_NOT_IN_THE_SYSTEM;
-}
+ xbt_swag_remove(action, action->state_set);
+ lmm_variable_free(maxmin_system, Action->variable);
+ xbt_free(action);
-static void action_free(surf_action_t * action)
-{
return;
}
return;
}
-static void action_change_state(surf_action_t action, e_surf_action_state_t state)
+static void action_change_state(surf_action_t action,
+ e_surf_action_state_t state)
{
surf_action_change_state(action, state);
return;
}
-static xbt_heap_float_t share_resources()
+static xbt_heap_float_t share_resources(xbt_heap_float_t now)
{
surf_action_cpu_t action = NULL;
- xbt_swag_t running_actions= surf_cpu_resource->resource.states.running_action_set;
+ xbt_swag_t running_actions =
+ surf_cpu_resource->common_public->states.running_action_set;
xbt_maxmin_float_t min = -1;
xbt_maxmin_float_t value = -1;
- lmm_solve(sys);
+ lmm_solve(maxmin_system);
action = xbt_swag_getFirst(running_actions);
- if(!action) return 0.0;
+ if (!action)
+ return -1.0;
value = lmm_variable_getvalue(action->variable);
- min = action->generic_action.remains / value ;
+ min = action->generic_action.remains / value;
- xbt_swag_foreach(action,running_actions) {
- /* If everything is stable... */
- value = action->generic_action.remains /
- lmm_variable_getvalue(action->variable);
- if(value<min) min=value;
+ xbt_swag_foreach(action, running_actions) {
+ value = action->generic_action.remains /
+ lmm_variable_getvalue(action->variable);
+ if (value < min)
+ min = value;
}
return min;
}
-static void update_state(xbt_heap_float_t now,
- xbt_heap_float_t delta)
+static void update_actions_state(xbt_heap_float_t now,
+ xbt_heap_float_t delta)
{
surf_action_cpu_t action = NULL;
surf_action_cpu_t next_action = NULL;
- xbt_swag_t running_actions= surf_cpu_resource->resource.states.running_action_set;
+ xbt_swag_t running_actions =
+ surf_cpu_resource->common_public->states.running_action_set;
+ xbt_swag_t failed_actions =
+ surf_cpu_resource->common_public->states.failed_action_set;
xbt_swag_foreach_safe(action, next_action, running_actions) {
- action->generic_action.remains -=
- lmm_variable_getvalue(action->variable)*delta;
+ action->generic_action.remains -=
+ lmm_variable_getvalue(action->variable) * delta;
/* if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
- if(action->generic_action.remains<=0) {
- action_change_state((surf_action_t)action, SURF_ACTION_DONE);
- } /* else if(host_failed..) */
+ if (action->generic_action.remains <= 0) {
+ action_change_state((surf_action_t) action, SURF_ACTION_DONE);
+ } else { /* Need to check that none of the resource has failed */
+ lmm_constraint_t cnst = NULL;
+ int i = 0;
+ cpu_t cpu = NULL;
+
+ while ((cnst =
+ lmm_get_cnst_from_var(maxmin_system, action->variable,
+ i++))) {
+ cpu = lmm_constraint_id(cnst);
+ if (cpu->state_current == SURF_CPU_OFF) {
+ action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
+ break;
+ }
+ }
+ }
+ }
+
+ xbt_swag_foreach_safe(action, next_action, failed_actions) {
+ lmm_variable_disable(maxmin_system, action->variable);
}
return;
}
-static surf_action_t execute(void *cpu, xbt_maxmin_float_t size)
+static void update_resource_state(void *id,
+ tmgr_trace_event_t event_type,
+ xbt_maxmin_float_t value)
{
- lmm_variable_t var;
- surf_action_cpu_t action = NULL;
-
- action=xbt_new0(s_surf_action_cpu_t,1);
-
- action->generic_action.cost=size;
- action->generic_action.remains=size;
- action->generic_action.start=-1.0;
- action->generic_action.finish=-1.0;
- action->generic_action.callback=cpu;
- action->generic_action.resource_type=(surf_resource_t)surf_cpu_resource;
+ cpu_t cpu = id;
+
+/* printf("[" XBT_HEAP_FLOAT_T "] Asking to update CPU \"%s\" with value " */
+/* XBT_MAXMIN_FLOAT_T " for event %p\n", surf_get_clock(), cpu->name, */
+/* value, event_type); */
+
+ if (event_type == cpu->power_event) {
+ cpu->power_current = value;
+ lmm_update_constraint_bound(maxmin_system,cpu->constraint,
+ cpu->power_current * cpu->power_scale);
+ } else if (event_type == cpu->state_event) {
+ if (value > 0)
+ cpu->state_current = SURF_CPU_ON;
+ else
+ cpu->state_current = SURF_CPU_OFF;
+ } else {
+ CRITICAL0("Unknown event ! \n");
+ xbt_abort();
+ }
- action->generic_action.state_set=surf_cpu_resource->resource.states.running_action_set;
- xbt_swag_insert(action,action->generic_action.state_set);
+ return;
+}
- action->variable = lmm_variable_new(sys, action, 1.0, -1.0, 1);
- lmm_expand(sys, ((cpu_t)cpu)->constraint, action->variable, 1.0);
+static surf_action_t execute(void *cpu, xbt_maxmin_float_t size)
+{
+ surf_action_cpu_t action = NULL;
+ cpu_t CPU = cpu;
+
+ action = xbt_new0(s_surf_action_cpu_t, 1);
+
+ action->generic_action.cost = size;
+ action->generic_action.remains = size;
+ action->generic_action.start = -1.0;
+ action->generic_action.finish = -1.0;
+/* action->generic_action.callback = cpu; */
+ action->generic_action.callback = NULL;
+ action->generic_action.resource_type =
+ (surf_resource_t) surf_cpu_resource;
+
+ if (CPU->state_current == SURF_CPU_ON)
+ action->generic_action.state_set =
+ surf_cpu_resource->common_public->states.running_action_set;
+ else
+ action->generic_action.state_set =
+ surf_cpu_resource->common_public->states.failed_action_set;
+ xbt_swag_insert(action, action->generic_action.state_set);
+
+ action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0, 1);
+ lmm_expand(maxmin_system, ((cpu_t) cpu)->constraint, action->variable,
+ 1.0);
return (surf_action_t) action;
}
static e_surf_cpu_state_t get_state(void *cpu)
{
- return SURF_CPU_OFF;
+ return ((cpu_t) cpu)->state_current;
}
-static surf_cpu_resource_t surf_cpu_resource_init_internal(void)
+static void finalize(void)
+{
+ xbt_dict_free(&cpu_set);
+ xbt_swag_free(surf_cpu_resource->common_public->states.ready_action_set);
+ xbt_swag_free(surf_cpu_resource->common_public->states.
+ running_action_set);
+ xbt_swag_free(surf_cpu_resource->common_public->states.
+ failed_action_set);
+ xbt_swag_free(surf_cpu_resource->common_public->states.done_action_set);
+ xbt_free(surf_cpu_resource->common_public);
+ xbt_free(surf_cpu_resource->common_private);
+ xbt_free(surf_cpu_resource->extension_public);
+
+ xbt_free(surf_cpu_resource);
+ surf_cpu_resource = NULL;
+}
+
+static void surf_cpu_resource_init_internal(void)
{
s_surf_action_t action;
- surf_cpu_resource = xbt_new0(s_surf_cpu_resource_t,1);
-
- surf_cpu_resource->resource.states.ready_action_set=
- xbt_swag_new(xbt_swag_offset(action,state_hookup));
- surf_cpu_resource->resource.states.running_action_set=
- xbt_swag_new(xbt_swag_offset(action,state_hookup));
- surf_cpu_resource->resource.states.failed_action_set=
- xbt_swag_new(xbt_swag_offset(action,state_hookup));
- surf_cpu_resource->resource.states.done_action_set=
- xbt_swag_new(xbt_swag_offset(action,state_hookup));
-
- surf_cpu_resource->resource.name_service = name_service;
- surf_cpu_resource->resource.get_resource_name = get_resource_name;
- surf_cpu_resource->resource.resource_used = resource_used;
- surf_cpu_resource->resource.action_get_state=surf_action_get_state;
- surf_cpu_resource->resource.action_free = action_free;
- surf_cpu_resource->resource.action_cancel = action_cancel;
- surf_cpu_resource->resource.action_recycle = action_recycle;
- surf_cpu_resource->resource.action_change_state = action_change_state;
- surf_cpu_resource->resource.share_resources = share_resources;
- surf_cpu_resource->resource.update_state = update_state;
-
- surf_cpu_resource->execute = execute;
- surf_cpu_resource->get_state = get_state;
+ surf_cpu_resource = xbt_new0(s_surf_cpu_resource_t, 1);
+
+ surf_cpu_resource->common_private =
+ xbt_new0(s_surf_resource_private_t, 1);
+ surf_cpu_resource->common_public = xbt_new0(s_surf_resource_public_t, 1);
+/* surf_cpu_resource->extension_private = xbt_new0(s_surf_cpu_resource_extension_private_t,1); */
+ surf_cpu_resource->extension_public =
+ xbt_new0(s_surf_cpu_resource_extension_public_t, 1);
+
+ surf_cpu_resource->common_public->states.ready_action_set =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
+ surf_cpu_resource->common_public->states.running_action_set =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
+ surf_cpu_resource->common_public->states.failed_action_set =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
+ surf_cpu_resource->common_public->states.done_action_set =
+ xbt_swag_new(xbt_swag_offset(action, state_hookup));
+
+ surf_cpu_resource->common_public->name_service = name_service;
+ surf_cpu_resource->common_public->get_resource_name = get_resource_name;
+ surf_cpu_resource->common_public->action_get_state =
+ surf_action_get_state;
+ surf_cpu_resource->common_public->action_free = action_free;
+ surf_cpu_resource->common_public->action_cancel = action_cancel;
+ surf_cpu_resource->common_public->action_recycle = action_recycle;
+ surf_cpu_resource->common_public->action_change_state =
+ action_change_state;
+
+ surf_cpu_resource->common_private->resource_used = resource_used;
+ surf_cpu_resource->common_private->share_resources = share_resources;
+ surf_cpu_resource->common_private->update_actions_state =
+ update_actions_state;
+ surf_cpu_resource->common_private->update_resource_state =
+ update_resource_state;
+ surf_cpu_resource->common_private->finalize = finalize;
+
+ surf_cpu_resource->extension_public->execute = execute;
+ surf_cpu_resource->extension_public->get_state = get_state;
cpu_set = xbt_dict_new();
- sys = lmm_system_new();
-
- return surf_cpu_resource;
+ xbt_assert0(maxmin_system, "surf_init has to be called first!");
}
-void surf_cpu_resource_init(const char* filename)
+void surf_cpu_resource_init(const char *filename)
{
- surf_resource_t CPU = NULL;
-
- surf_cpu_resource=surf_cpu_resource_init_internal();
+ surf_cpu_resource_init_internal();
parse_file(filename);
- CPU = &(surf_cpu_resource->resource); /* to make short */
- xbt_dynar_push(resource_list, &CPU);
+ xbt_dynar_push(resource_list, &surf_cpu_resource);
}