X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Fmodules%2Fgui%2Fcontrolflow%2Feventhooks.c;h=cb1121acd7fb77a91d0e2ddbd43a119c3c655711;hb=b9a010a28d9625c9d31968aa44f1a553daccb294;hp=98b13d278cdecfeaac0e1099a472162afa43a254;hpb=51705146eabfc882972ca6bc815dc78addcee896;p=lttv.git diff --git a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c index 98b13d27..cb1121ac 100644 --- a/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c +++ b/ltt/branches/poly/lttv/modules/gui/controlflow/eventhooks.c @@ -22,6 +22,30 @@ *****************************************************************************/ +/* Event hooks are the drawing hooks called during traceset read. They draw the + * icons, text, lines and background color corresponding to the events read. + * + * Two hooks are used for drawing : draw_before and draw_after hooks. The + * draw_before is called before the state update that occurs with an event and + * the draw_after hook is called after this state update. + * + * The draw_before hooks fulfill the task of drawing the visible objects that + * corresponds to the data accumulated by the draw_after hook. + * + * The draw_after hook accumulates the data that need to be shown on the screen + * (items) into a queue. Then, the next draw_before hook will draw what that + * queue contains. That's the Right Way (TM) of drawing items on the screen, + * because we need to draw the background first (and then add icons, text, ... + * over it), but we only know the length of a background region once the state + * corresponding to it is over, which happens to be at the next draw_before + * hook. + * + * We also have a hook called at the end of a chunk to draw the information left + * undrawn in each process queue. We use the current time as end of + * line/background. + */ + + //#define PANGO_ENABLE_BACKEND #include #include @@ -53,19 +77,98 @@ #define MAX_PATH_LEN 256 +#if 0 +typedef struct _ProcessAddClosure { + ControlFlowData *cfd; + guint trace_num; +} ProcessAddClosure; + +static void process_add(gpointer key, + gpointer value, + gpointer user_data) +{ + LttvProcessState *process = (LttvProcessState*)value; + ProcessAddClosure *closure = (ProcessAddClosure*)user_data; + ControlFlowData *control_flow_data = closure->cfd; + guint trace_num = closure->trace_num; + + /* Add process to process list (if not present) */ + guint pid; + LttTime birth; + guint y = 0, height = 0, pl_height = 0; + + ProcessList *process_list = + guicontrolflow_get_process_list(control_flow_data); + + pid = process->pid; + birth = process->creation_time; + const gchar *name = g_quark_to_string(process->name); + HashedProcessData *hashed_process_data = NULL; + + if(processlist_get_process_pixels(process_list, + pid, + &birth, + trace_num, + &y, + &height, + &hashed_process_data) == 1) + { + /* Process not present */ + processlist_add(process_list, + pid, + &birth, + trace_num, + name, + &pl_height, + &hashed_process_data); + processlist_get_process_pixels(process_list, + pid, + &birth, + trace_num, + &y, + &height, + &hashed_process_data); + drawing_insert_square( control_flow_data->drawing, y, height); + } +} +#endif //0 + + /* Action to do when background computation completed. * * Eventually, will have to check that every requested traces are finished - * before doing the redraw. + * before doing the redraw. It will save unnecessary processor usage. */ gint background_ready(void *hook_data, void *call_data) { ControlFlowData *control_flow_data = (ControlFlowData *)hook_data; LttvTrace *trace = (LttvTrace*)call_data; + LttvTracesetContext *tsc = + lttvwindow_get_traceset_context(control_flow_data->tab); g_debug("control flow viewer : background computation data ready."); + drawing_clear(control_flow_data->drawing); + processlist_clear(control_flow_data->process_list); +#if 0 + { + gint num_traces = lttv_traceset_number(tsc->ts); + gint i; + LttvTraceState *ts; + ProcessAddClosure closure; + closure.cfd = control_flow_data; + + for(i=0;itraces[i]; + + closure.trace_num = i; + + /* add all the processes to the list */ + lttv_state_for_each_process(ts, (GHFunc)process_add, &closure); + } + } +#endif //0 redraw_notify(control_flow_data, NULL); return 0; @@ -174,32 +277,10 @@ int event_selected_hook(void *hook_data, void *call_data) g_debug("DEBUG : event selected by main window : %u", *event_number); -// control_flow_data->currently_Selected_Event = *event_number; -// control_flow_data->Selected_Event = TRUE ; - -// tree_v_set_cursor(control_flow_data); - } -/* Hook called before drawing. Gets the initial context at the beginning of the - * drawing interval and copy it to the context in event_request. - */ -int draw_before_hook(void *hook_data, void *call_data) -{ - EventsRequest *events_request = (EventsRequest*)hook_data; - //EventsContext Events_Context = (EventsContext*)call_data; - - //event_request->Events_Context = Events_Context; - - return 0; -} - -/* - * The draw event hook is called by the reading API to have a - * particular event drawn on the screen. - * @param hook_data ControlFlowData structure of the viewer. - * @param call_data Event context. - * +/* draw_before_hook + * * This function basically draw lines and icons. Two types of lines are drawn : * one small (3 pixels?) representing the state of the process and the second * type is thicker (10 pixels?) representing on which CPU a process is running @@ -214,8 +295,120 @@ int draw_before_hook(void *hook_data, void *call_data) * The choice of lines'color is defined by the context of the last event for this * process. */ -int draw_event_hook(void *hook_data, void *call_data) + + +int draw_before_hook(void *hook_data, void *call_data) { + EventsRequest *events_request = (EventsRequest*)hook_data; + ControlFlowData *control_flow_data = events_request->viewer_data; + + LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; + + LttvTracefileState *tfs = (LttvTracefileState *)call_data; + LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; + + LttEvent *e; + e = tfc->e; + + LttTime evtime = ltt_event_time(e); + TimeWindow time_window = + lttvwindow_get_time_window(control_flow_data->tab); + + LttTime end_time = ltt_time_add(time_window.start_time, + time_window.time_width); + + if(ltt_time_compare(evtime, time_window.start_time) == -1 + || ltt_time_compare(evtime, end_time) == 1) + return; + + guint width = control_flow_data->drawing->width; + + if(strcmp(ltt_eventtype_name(ltt_event_eventtype(e)),"schedchange") == 0) { + + /* we are in a schedchange, before the state update. We must draw the + * items corresponding to the state before it changes : now is the right + * time to do it. + */ + + guint pid_out; + { + guint pid_in; + LttField *f = ltt_event_field(e); + LttField *element; + element = ltt_field_member(f,0); + pid_out = ltt_event_get_long_unsigned(e,element); + element = ltt_field_member(f,1); + pid_in = ltt_event_get_long_unsigned(e,element); + g_debug("out : %u in : %u", pid_out, pid_in); + } + + /* First, check if the current process is in the state computation process + * list. If it is there, that means we must add it right now and draw items + * from the beginning of the read for it. If it is not present, it's a new + * process and it was not present : it will be added after the state update. + */ + LttvProcessState *process; + process = lttv_state_find_process(tfs, pid_out); + + if(process != NULL) { + /* Well, the process_out existed : we must get it in the process hash + * or add it, and draw its items. + */ + /* Add process to process list (if not present) */ + guint y_out = 0, height = 0, pl_height = 0; + HashedProcessData *hashed_process_data = NULL; + ProcessList *process_list = + guicontrolflow_get_process_list(control_flow_data); + LttTime birth = process->creation_time; + const gchar *name = g_quark_to_string(process->name); + + if(processlist_get_process_pixels(process_list, + pid_out, + &birth, + tfc->t_context->index, + &y_out, + &height, + &hashed_process_data) == 1) + { + /* Process not present */ + processlist_add(process_list, + pid_out, + &birth, + tfc->t_context->index, + name, + &pl_height, + &hashed_process_data); + processlist_get_process_pixels(process_list, + pid_out, + &birth, + tfc->t_context->index, + &y_out, + &height, + &hashed_process_data); + drawing_insert_square( control_flow_data->drawing, y_out, height); + } + + /* Now, the process is in the state hash and our own process hash. + * We definitely can draw the items related to the ending state. + */ + + /* Check if the x position is unset. In can have been left unset by + * a draw closure from a after chunk hook. This should never happen, + * because it must be set by before chunk hook to the damage_begin + * value. + */ + g_assert(hashed_process_data->x != -1); + + + } + } + + + return 0; + + + +#if 0 EventsRequest *events_request = (EventsRequest*)hook_data; ControlFlowData *control_flow_data = (ControlFlowData*)events_request->viewer_data; @@ -802,6 +995,9 @@ int draw_event_hook(void *hook_data, void *call_data) } return 0; +#endif //0 + + /* Text dump */ #ifdef DONTSHOW @@ -825,7 +1021,16 @@ int draw_event_hook(void *hook_data, void *call_data) } - +/* draw_after_hook + * + * The draw after hook is called by the reading API to have a + * particular event drawn on the screen. + * @param hook_data ControlFlowData structure of the viewer. + * @param call_data Event context. + * + * This function adds items to be drawn in a queue for each process. + * + */ int draw_after_hook(void *hook_data, void *call_data) { EventsRequest *events_request = (EventsRequest*)hook_data; @@ -836,6 +1041,104 @@ int draw_after_hook(void *hook_data, void *call_data) LttvTracefileState *tfs = (LttvTracefileState *)call_data; LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; + LttEvent *e; + e = tfc->e; + + LttTime evtime = ltt_event_time(e); + TimeWindow time_window = + lttvwindow_get_time_window(control_flow_data->tab); + + LttTime end_time = ltt_time_add(time_window.start_time, + time_window.time_width); + + if(ltt_time_compare(evtime, time_window.start_time) == -1 + || ltt_time_compare(evtime, end_time) == 1) + return; + + guint width = control_flow_data->drawing->width; + + if(strcmp(ltt_eventtype_name(ltt_event_eventtype(e)),"schedchange") == 0) { + + g_debug("schedchange!"); + + { + /* Add process to process list (if not present) */ + LttvProcessState *process_out, *process_in; + LttTime birth; + guint y_in = 0, y_out = 0, height = 0, pl_height = 0; + HashedProcessData *hashed_process_data_in = NULL; + + ProcessList *process_list = + guicontrolflow_get_process_list(control_flow_data); + + guint pid_in; + { + guint pid_out; + LttField *f = ltt_event_field(e); + LttField *element; + element = ltt_field_member(f,0); + pid_out = ltt_event_get_long_unsigned(e,element); + element = ltt_field_member(f,1); + pid_in = ltt_event_get_long_unsigned(e,element); + g_debug("out : %u in : %u", pid_out, pid_in); + } + + + /* Find process pid_in in the list... */ + process_in = lttv_state_find_process(tfs, pid_in); + /* It should exist, because we are after the state update. */ + g_assert(process_in != NULL); + + birth = process_in->creation_time; + const gchar *name = g_quark_to_string(process_in->name); + + if(processlist_get_process_pixels(process_list, + pid_in, + &birth, + tfc->t_context->index, + &y_in, + &height, + &hashed_process_data_in) == 1) + { + /* Process not present */ + processlist_add(process_list, + pid_in, + &birth, + tfc->t_context->index, + name, + &pl_height, + &hashed_process_data_in); + processlist_get_process_pixels(process_list, + pid_in, + &birth, + tfc->t_context->index, + &y_in, + &height, + &hashed_process_data_in); + drawing_insert_square( control_flow_data->drawing, y_in, height); + } + + convert_time_to_pixels( + time_window.start_time, + end_time, + evtime, + width, + &hashed_process_data_in->x); + } + } + return 0; + + + +#if 0 + EventsRequest *events_request = (EventsRequest*)hook_data; + ControlFlowData *control_flow_data = events_request->viewer_data; + + LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; + + LttvTracefileState *tfs = (LttvTracefileState *)call_data; + LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; + LttEvent *e; e = tfc->e; @@ -1277,6 +1580,7 @@ int draw_after_hook(void *hook_data, void *call_data) } return 0; +#endif //0 } @@ -1510,15 +1814,8 @@ gint traceset_notify(void *hook_data, void *call_data) drawing->damage_begin = 0; drawing->damage_end = drawing->width; - - // Clear the image - gdk_draw_rectangle (drawing->pixmap, - widget->style->black_gc, - TRUE, - 0, 0, - drawing->width+SAFETY, - drawing->height); - + drawing_clear(control_flow_data->drawing); + processlist_clear(control_flow_data->process_list); if(drawing->damage_begin < drawing->damage_end) { @@ -1601,22 +1898,6 @@ gint continue_notify(void *hook_data, void *call_data) } -gint after_process_traceset_hook(void *hook_data, void *call_data) -{ - //ControlFlowData *control_flow_data = (ControlFlowData*) hook_data; - EventsRequest *events_request = (EventsRequest *)hook_data; - - ControlFlowData *control_flow_data = - (ControlFlowData*)events_request->viewer_data; - - - drawing_data_request_end(events_request, - (LttvTracesetState*)call_data); - return 0; -} - - - gint update_current_time_hook(void *hook_data, void *call_data) { ControlFlowData *control_flow_data = (ControlFlowData*)hook_data; @@ -1695,11 +1976,17 @@ gint update_current_time_hook(void *hook_data, void *call_data) typedef struct _ClosureData { EventsRequest *events_request; LttvTracesetState *tss; + LttTime end_time; } ClosureData; void draw_closure(gpointer key, gpointer value, gpointer user_data) { + + return; + + +#if 0 ProcessInfo *process_info = (ProcessInfo*)key; HashedProcessData *hashed_process_data = (HashedProcessData*)value; ClosureData *closure_data = (ClosureData*)user_data; @@ -1915,9 +2202,20 @@ void draw_closure(gpointer key, gpointer value, gpointer user_data) hashed_process_data->draw_context->previous->modify_under->y = -1; hashed_process_data->draw_context->previous->status = LTTV_STATE_UNNAMED; +#endif //0 } -int before_data_request(void *hook_data, void *call_data) +int before_chunk(void *hook_data, void *call_data) +{ + EventsRequest *events_request = (EventsRequest*)hook_data; + LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data); + + drawing_chunk_begin(events_request, tss); + + return 0; +} + +int before_request(void *hook_data, void *call_data) { EventsRequest *events_request = (EventsRequest*)hook_data; LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data); @@ -1929,29 +2227,72 @@ int before_data_request(void *hook_data, void *call_data) /* + * after request is necessary in addition of after chunk in order to draw + * lines until the end of the screen. after chunk just draws lines until + * the last event. + * * for each process * draw closing line - * new default prev and current - * then finally remove reading hooks. + * expose */ -int after_data_request(void *hook_data, void *call_data) +int after_request(void *hook_data, void *call_data) { EventsRequest *events_request = (EventsRequest*)hook_data; ControlFlowData *control_flow_data = events_request->viewer_data; LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data); + LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(call_data); ProcessList *process_list = guicontrolflow_get_process_list(control_flow_data); + LttTime end_time = events_request->end_time; + + ClosureData closure_data; + closure_data.events_request = (EventsRequest*)hook_data; + closure_data.tss = tss; + closure_data.end_time = end_time; + + /* Draw last items */ + g_hash_table_foreach(process_list->process_hash, draw_closure, + (void*)&closure_data); + + /* Request expose */ + drawing_request_expose(events_request, tss, end_time); + return 0; +} + +/* + * for each process + * draw closing line + * expose + */ +int after_chunk(void *hook_data, void *call_data) +{ + EventsRequest *events_request = (EventsRequest*)hook_data; + ControlFlowData *control_flow_data = events_request->viewer_data; + LttvTracesetState *tss = LTTV_TRACESET_STATE(call_data); + LttvTracesetContext *tsc = LTTV_TRACESET_CONTEXT(call_data); + LttvTracefileContext *tfc = lttv_traceset_context_get_current_tfc(tsc); + LttTime end_time; + + ProcessList *process_list = + guicontrolflow_get_process_list(control_flow_data); + + if(tfc != NULL) + end_time = tfc->timestamp; + else /* end of traceset */ + end_time = tsc->time_span.end_time; ClosureData closure_data; closure_data.events_request = (EventsRequest*)hook_data; closure_data.tss = tss; + closure_data.end_time = end_time; + /* Draw last items */ g_hash_table_foreach(process_list->process_hash, draw_closure, (void*)&closure_data); /* Request expose */ - drawing_data_request_end(events_request, tss); + drawing_request_expose(events_request, tss, end_time); return 0; }