/* 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. */
-#include "host_private.h"
+#include "cpu_private.h"
+#include "xbt/dict.h"
-surf_host_resource_t surf_host_resource = NULL;
+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;
+
+/* power_scale is the basic power of the cpu when the cpu is
+ completely available. initial_power 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 cpu_free(void *CPU){
+ cpu_t cpu = CPU;
+
+/* lmm_constraint_free(maxmin_system,cpu->constraint); */
+/* Clean somewhere else ! */
+
+ xbt_free(cpu);
+}
+
+static void *cpu_new(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)
+{
+ 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; */
+ if(power_trace)
+ cpu->power_event = tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
+
+ cpu->current_state = initial_state;
+/* cpu->state_trace = state_trace; */
+ if(state_trace)
+ cpu->state_event = tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
+
+ cpu->constraint = lmm_constraint_new(maxmin_system, cpu, cpu->current_power * 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_host(void)
+{
+ e_surf_token_t token;
+ char *name = NULL;
+ xbt_maxmin_float_t power_scale = 0.0;
+ xbt_maxmin_float_t initial_power = 0.0;
+ tmgr_trace_t power_trace = NULL;;
+ e_surf_cpu_state_t initial_state = SURF_CPU_OFF;
+ tmgr_trace_t state_trace = NULL;
+
+ name=xbt_strdup(surf_parse_text);
+
+ token=surf_parse(); /* power_scale */
+ xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+ xbt_assert2((sscanf(surf_parse_text,XBT_MAXMIN_FLOAT_T, &power_scale)==1),
+ "Parse error line %d : %s not a number",line_pos,surf_parse_text);
+
+ token=surf_parse(); /* initial_power */
+ xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+ xbt_assert2((sscanf(surf_parse_text,XBT_MAXMIN_FLOAT_T, &initial_power)==1),
+ "Parse error line %d : %s not a number",line_pos,surf_parse_text);
+
+ token=surf_parse(); /* power_trace */
+ xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+ if(strcmp(surf_parse_text,"")==0) power_trace = NULL;
+ else power_trace = tmgr_trace_new(surf_parse_text);
+
+ token=surf_parse(); /* initial_state */
+ xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+ if(strcmp(surf_parse_text,"ON")==0) initial_state = SURF_CPU_ON;
+ else if(strcmp(surf_parse_text,"OFF")==0) initial_state = SURF_CPU_OFF;
+ else {
+ CRITICAL2("Invalid cpu state (line %d): %s neq ON or OFF\n",line_pos,
+ surf_parse_text);
+ xbt_abort();
+ }
+
+ token=surf_parse(); /* state_trace */
+ xbt_assert1((token==TOKEN_WORD),"Parse error line %d",line_pos);
+ if(strcmp(surf_parse_text,"")==0) state_trace = NULL;
+ else state_trace = tmgr_trace_new(surf_parse_text);
+
+ cpu_new(name, power_scale, initial_power, power_trace, initial_state, state_trace);
+}
static void parse_file(const char *file)
{
+ 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_host();
+ else {
+ CRITICAL1("Parse error line %d\n",line_pos);
+ xbt_abort();
+ }
+ }
+
+ close_section("CPU");
}
static void *name_service(const char *name)
{
- return NULL;
+ void *cpu=NULL;
+
+ xbt_dict_get(cpu_set, name, &cpu);
+
+ return cpu;
}
-static surf_action_t action_new(void *callback)
+static const char *get_resource_name(void *resource_id)
{
- return NULL;
+ return ((cpu_t) resource_id)->name;
}
-static e_surf_action_state_t action_get_state(surf_action_t action)
+static int resource_used(void *resource_id)
{
- return SURF_ACTION_NOT_IN_THE_SYSTEM;
+ return lmm_constraint_used(maxmin_system, ((cpu_t)resource_id)->constraint);
}
-static void action_free(surf_action_t * action)
+static void action_free(surf_action_t action)
{
+ surf_action_cpu_t Action = (surf_action_cpu_t) action;
+
+ xbt_swag_remove(action,action->state_set);
+ lmm_variable_free(maxmin_system,Action->variable);
+ xbt_free(action);
+
return;
}
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(void)
+static xbt_heap_float_t share_resources(xbt_heap_float_t now)
{
- return -1.0;
+ surf_action_cpu_t action = NULL;
+ 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(maxmin_system);
+
+ action = xbt_swag_getFirst(running_actions);
+ if(!action) return 0.0;
+ value = lmm_variable_getvalue(action->variable);
+ min = action->generic_action.remains / 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 solve(xbt_heap_float_t date)
+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->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;
+/* 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 { /* 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->current_state==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 void execute(void *host, xbt_maxmin_float_t size, surf_action_t action)
+static void update_resource_state(void *id,
+ tmgr_trace_event_t event_type,
+ xbt_maxmin_float_t value)
{
+ cpu_t cpu = id;
+
+ printf("[" XBT_HEAP_FLOAT_T "] Asking to update \"%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->current_power = value;
+ lmm_update_constraint_bound(cpu->constraint,cpu->current_power * cpu->power_scale);
+ } else if (event_type==cpu->state_event) {
+ if(value>0) cpu->current_state = SURF_CPU_ON;
+ else cpu->current_state = SURF_CPU_OFF;
+ } else {CRITICAL0("Unknown event ! \n");xbt_abort();}
+
+ return;
}
-static e_surf_host_state_t get_state(void *host)
+static surf_action_t execute(void *cpu, xbt_maxmin_float_t size)
{
- return SURF_HOST_OFF;
+ 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.resource_type=(surf_resource_t)surf_cpu_resource;
+
+ if(CPU->current_state==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;
}
+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;
+}
-surf_host_resource_t surf_host_resource_init(void)
+static void surf_cpu_resource_init_internal(void)
{
- surf_host_resource = xbt_new0(s_surf_host_resource_t,1);
+ s_surf_action_t action;
- surf_host_resource->resource.parse_file = parse_file;
- surf_host_resource->resource.name_service = name_service;
- surf_host_resource->resource.action_new=action_new;
- surf_host_resource->resource.action_get_state=surf_action_get_state;
- surf_host_resource->resource.action_free = action_free;
- surf_host_resource->resource.action_cancel = action_cancel;
- surf_host_resource->resource.action_recycle = action_recycle;
- surf_host_resource->resource.action_change_state = action_change_state;
- surf_host_resource->resource.share_resources = share_resources;
- surf_host_resource->resource.solve = solve;
+ 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_host_resource->execute = execute;
- surf_host_resource->get_state = get_state;
+ 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));
- return surf_host_resource;
+ 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->resource_used = resource_used;
+ 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->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();
+
+ xbt_assert0(maxmin_system,"surf_init has to be called first!");
+}
+
+void surf_cpu_resource_init(const char* filename)
+{
+ surf_cpu_resource_init_internal();
+ parse_file(filename);
+ xbt_dynar_push(resource_list, &surf_cpu_resource);
}
