X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/178d9ca3560ec4b1e756970b888b4e36212ce670..504b4d20dd2db9ea1eaa9c4b390b2a412d7c9779:/src/simdag/sd_workstation.c diff --git a/src/simdag/sd_workstation.c b/src/simdag/sd_workstation.c index 48d24796f1..b7e97e8ecd 100644 --- a/src/simdag/sd_workstation.c +++ b/src/simdag/sd_workstation.c @@ -4,19 +4,26 @@ #include "xbt/sysdep.h" #include "surf/surf.h" +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_workstation, sd, + "Logging specific to SimDag (workstation)"); + /* Creates a workstation and registers it in SD. */ SD_workstation_t __SD_workstation_create(void *surf_workstation, void *data) { + + SD_workstation_t workstation; + const char *name; SD_CHECK_INIT_DONE(); xbt_assert0(surf_workstation != NULL, "surf_workstation is NULL !"); - SD_workstation_t workstation = xbt_new(s_SD_workstation_t, 1); + workstation = xbt_new(s_SD_workstation_t, 1); workstation->surf_workstation = surf_workstation; workstation->data = data; /* user data */ - SD_workstation_set_access_mode(workstation, SD_WORKSTATION_SHARED_ACCESS); /* default mode is shared */ + workstation->access_mode = SD_WORKSTATION_SHARED_ACCESS; /* default mode is shared */ workstation->task_fifo = NULL; + workstation->current_task = NULL; - const char *name = SD_workstation_get_name(workstation); + name = SD_workstation_get_name(workstation); xbt_dict_set(sd_global->workstations, name, workstation, __SD_workstation_destroy); /* add the workstation to the dictionary */ sd_global->workstation_count++; @@ -48,14 +55,17 @@ SD_workstation_t SD_workstation_get_by_name(const char *name) { * \see SD_workstation_get_number() */ const SD_workstation_t* SD_workstation_get_list(void) { - SD_CHECK_INIT_DONE(); - xbt_assert0(SD_workstation_get_number() > 0, "There is no workstation!"); xbt_dict_cursor_t cursor; char *key; void *data; int i; + SD_CHECK_INIT_DONE(); + xbt_assert0(SD_workstation_get_number() > 0, "There is no workstation!"); + + + if (sd_global->workstation_list == NULL) { /* this is the first time the function is called */ sd_global->workstation_list = xbt_new(SD_workstation_t, sd_global->workstation_count); @@ -116,9 +126,38 @@ void SD_workstation_set_data(SD_workstation_t workstation, void *data) { const char* SD_workstation_get_name(SD_workstation_t workstation) { SD_CHECK_INIT_DONE(); xbt_assert0(workstation != NULL, "Invalid parameter"); - return surf_workstation_resource->common_public->get_resource_name(workstation->surf_workstation); + return surf_workstation_model->common_public->get_resource_name(workstation->surf_workstation); +} + +/** + * \brief Returns the value of a certain workstation property + * + * \param workstation a workstation + * \param name a property name + * \return value of a property + */ +const char* SD_workstation_get_property_value(SD_workstation_t ws, char* name) +{ + return xbt_dict_get_or_null(SD_workstation_get_properties(ws), name); +} + + +/** + * \brief Returns a xbt_dynar_t consisting of the list of properties assigned to this workstation + * + * \param workstation a workstation + * \return the dictionary containing the properties associated with the workstation + */ +xbt_dict_t SD_workstation_get_properties(SD_workstation_t workstation) +{ + SD_CHECK_INIT_DONE(); + xbt_assert0((workstation != NULL), "Invalid parameters"); + + return (surf_workstation_model->common_public->get_cpu_properties(workstation->surf_workstation)); + } + /** * \brief Returns the route between two workstations * @@ -130,6 +169,13 @@ const char* SD_workstation_get_name(SD_workstation_t workstation) { * \see SD_route_get_size(), SD_link_t */ const SD_link_t* SD_route_get_list(SD_workstation_t src, SD_workstation_t dst) { + void *surf_src; + void *surf_dst; + const void **surf_route; + int route_size; + const char *link_name; + int i; + SD_CHECK_INIT_DONE(); if (sd_global->recyclable_route == NULL) { @@ -137,16 +183,15 @@ const SD_link_t* SD_route_get_list(SD_workstation_t src, SD_workstation_t dst) { sd_global->recyclable_route = xbt_new(SD_link_t, SD_link_get_number()); } - void *surf_src = src->surf_workstation; - void *surf_dst = dst->surf_workstation; + surf_src = src->surf_workstation; + surf_dst = dst->surf_workstation; + + surf_route = surf_workstation_model->extension_public->get_route(surf_src, surf_dst); + route_size = surf_workstation_model->extension_public->get_route_size(surf_src, surf_dst); - const void **surf_route = surf_workstation_resource->extension_public->get_route(surf_src, surf_dst); - int route_size = surf_workstation_resource->extension_public->get_route_size(surf_src, surf_dst); - const char *link_name; - int i; for (i = 0; i < route_size; i++) { - link_name = surf_workstation_resource->extension_public->get_link_name(surf_route[i]); + link_name = surf_workstation_model->extension_public->get_link_name(surf_route[i]); sd_global->recyclable_route[i] = xbt_dict_get(sd_global->links, link_name); } @@ -163,7 +208,7 @@ const SD_link_t* SD_route_get_list(SD_workstation_t src, SD_workstation_t dst) { */ int SD_route_get_size(SD_workstation_t src, SD_workstation_t dst) { SD_CHECK_INIT_DONE(); - return surf_workstation_resource->extension_public-> + return surf_workstation_model->extension_public-> get_route_size(src->surf_workstation, dst->surf_workstation); } @@ -177,7 +222,7 @@ int SD_route_get_size(SD_workstation_t src, SD_workstation_t dst) { double SD_workstation_get_power(SD_workstation_t workstation) { SD_CHECK_INIT_DONE(); xbt_assert0(workstation != NULL, "Invalid parameter"); - return surf_workstation_resource->extension_public->get_speed(workstation->surf_workstation, 1.0); + return surf_workstation_model->extension_public->get_speed(workstation->surf_workstation, 1.0); } /** @@ -190,7 +235,7 @@ double SD_workstation_get_power(SD_workstation_t workstation) { double SD_workstation_get_available_power(SD_workstation_t workstation) { SD_CHECK_INIT_DONE(); xbt_assert0(workstation != NULL, "Invalid parameter"); - return surf_workstation_resource->extension_public->get_available_speed(workstation->surf_workstation); + return surf_workstation_model->extension_public->get_available_speed(workstation->surf_workstation); } /** @@ -217,12 +262,17 @@ double SD_workstation_get_computation_time(SD_workstation_t workstation, double * \see SD_route_get_current_bandwidth() */ double SD_route_get_current_latency(SD_workstation_t src, SD_workstation_t dst) { + + const SD_link_t *links; + int nb_links; + double latency ; + int i; + SD_CHECK_INIT_DONE(); xbt_assert0(src != NULL && dst != NULL, "Invalid parameter"); - const SD_link_t *links = SD_route_get_list(src, dst); - int nb_links = SD_route_get_size(src, dst); - double latency = 0.0; - int i; + links = SD_route_get_list(src, dst); + nb_links = SD_route_get_size(src, dst); + latency = 0.0; for (i = 0; i < nb_links; i++) { latency += SD_link_get_current_latency(links[i]); @@ -241,12 +291,20 @@ double SD_route_get_current_latency(SD_workstation_t src, SD_workstation_t dst) * \see SD_route_get_current_latency() */ double SD_route_get_current_bandwidth(SD_workstation_t src, SD_workstation_t dst) { + + const SD_link_t *links; + int nb_links; + double bandwidth; + double min_bandwidth; + int i; + SD_CHECK_INIT_DONE(); xbt_assert0(src != NULL && dst != NULL, "Invalid parameter"); - const SD_link_t *links = SD_route_get_list(src, dst); - int nb_links = SD_route_get_size(src, dst); - double bandwidth, min_bandwidth = -1.0; - int i; + + links = SD_route_get_list(src, dst); + nb_links = SD_route_get_size(src, dst); + bandwidth = min_bandwidth = -1.0; + for (i = 0; i < nb_links; i++) { bandwidth = SD_link_get_current_bandwidth(links[i]); @@ -269,17 +327,22 @@ double SD_route_get_current_bandwidth(SD_workstation_t src, SD_workstation_t dst */ double SD_route_get_communication_time(SD_workstation_t src, SD_workstation_t dst, double communication_amount) { + + /* total time = latency + transmission time of the slowest link transmission time of a link = communication amount / link bandwidth */ - SD_CHECK_INIT_DONE(); - xbt_assert0(src != NULL && dst != NULL, "Invalid parameter"); - xbt_assert0(communication_amount >= 0, "communication_amount must be greater than or equal to zero"); const SD_link_t *links; int nb_links; double bandwidth, min_bandwidth; double latency; int i; + + SD_CHECK_INIT_DONE(); + xbt_assert0(src != NULL && dst != NULL, "Invalid parameter"); + xbt_assert0(communication_amount >= 0, "communication_amount must be greater than or equal to zero"); + + if (communication_amount == 0.0) return 0.0; @@ -317,7 +380,7 @@ double SD_route_get_communication_time(SD_workstation_t src, SD_workstation_t ds /** * \brief Sets the access mode for the tasks that will be executed on a workstation * - * By default, a workstation resource is shared, i.e. several tasks + * By default, a workstation model is shared, i.e. several tasks * can be executed at the same time on a workstation. The CPU power of * the workstation is shared between the running tasks on the workstation. * In sequential mode, only one task can use the workstation, and the other @@ -366,6 +429,12 @@ int __SD_workstation_is_busy(SD_workstation_t workstation) { SD_CHECK_INIT_DONE(); xbt_assert0(workstation != NULL, "Invalid parameter"); + DEBUG4("Workstation '%s' access mode: '%s', current task: %s, fifo size: %d", + SD_workstation_get_name(workstation), + (workstation->access_mode==SD_WORKSTATION_SHARED_ACCESS)?"SHARED":"FIFO", + (workstation->current_task ? SD_task_get_name(workstation->current_task) : "none"), + (workstation->task_fifo ? xbt_fifo_size(workstation->task_fifo) : 0)); + return workstation->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS && (workstation->current_task != NULL || xbt_fifo_size(workstation->task_fifo) > 0); } @@ -373,11 +442,14 @@ int __SD_workstation_is_busy(SD_workstation_t workstation) { /* Destroys a workstation. */ void __SD_workstation_destroy(void *workstation) { + + SD_workstation_t w; + SD_CHECK_INIT_DONE(); xbt_assert0(workstation != NULL, "Invalid parameter"); /* workstation->surf_workstation is freed by surf_exit and workstation->data is freed by the user */ - SD_workstation_t w = (SD_workstation_t) workstation; + w = (SD_workstation_t) workstation; if (w->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) { xbt_fifo_free(w->task_fifo);