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/*
* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License (not later!)
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses>
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <gtk/gtk.h>
#include <glib-object.h>
#include "trace-cmd.h"
#include "trace-local.h"
#include "trace-view.h"
#include "trace-gui.h"
#include "trace-compat.h"
#include "cpu.h"
#include "event-utils.h"
enum {
COL_INDEX,
COL_CPU,
COL_TS,
COL_COMM,
COL_PID,
COL_LAT,
COL_EVENT,
COL_INFO,
NUM_COLS
};
static char* col_labels[] = {
"#",
"CPU",
"Time Stamp",
"Task",
"PID",
"Latency",
"Event",
"Info",
NULL
};
static int col_chars[] = {
0, /* INDEX */
0, /* CPU */
0, /* TS */
0, /* COMM */
0, /* PID */
0, /* LAT */
0, /* EVENT */
0, /* INFO */
0
};
static GtkTreeModel *
create_trace_view_model(struct tracecmd_input *handle)
{
TraceViewStore *store;
store = trace_view_store_new(handle);
return GTK_TREE_MODEL(store);
}
static void
spin_changed(gpointer data, GtkWidget *spin)
{
GtkTreeView *tree = data;
GtkTreeModel *model;
gint val, page;
val = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(spin));
model = gtk_tree_view_get_model(tree);
/* This can be called when we NULL out the model */
if (!model)
return;
page = trace_view_store_get_page(TRACE_VIEW_STORE(model));
if (page == val)
return;
g_object_ref(model);
gtk_tree_view_set_model(tree, NULL);
trace_view_store_set_page(TRACE_VIEW_STORE(model), val);
gtk_tree_view_set_model(tree, model);
g_object_unref(model);
}
void trace_view_data_func(GtkTreeViewColumn *column, GtkCellRenderer *renderer,
GtkTreeModel *model, GtkTreeIter *iter,
gpointer data)
{
long col_num = (long)data;
int str_len, label_len;
gchar *text, *str;
int new_w, x_pad;
GValue val = {0};
GtkWidget *view;
PangoFontDescription *pfd;
PangoLayout *playout;
/* Put the text in the renderer. */
gtk_tree_model_get_value(model, iter, col_num, &val);
g_object_set_property(G_OBJECT(renderer), "text", &val);
g_object_get(G_OBJECT(renderer),
"text", &text,
"font-desc", &pfd,
NULL);
if (!text)
goto out;
/* Make sure there is enough room to render the column label. */
str = text;
str_len = strlen(str);
label_len = strlen(col_labels[col_num]);
if (label_len > str_len) {
str = col_labels[col_num];
str_len = label_len;
}
/* Don't bother with pango unless we have more chars than the max. */
if (str_len > col_chars[col_num]) {
col_chars[col_num] = str_len;
view = GTK_WIDGET(gtk_tree_view_column_get_tree_view(column));
playout = gtk_widget_create_pango_layout(GTK_WIDGET(view), str);
pango_layout_set_font_description(playout, pfd);
pango_layout_get_pixel_size(playout, &new_w, NULL);
gtk_cell_renderer_get_padding(renderer, &x_pad, NULL);
/* +10 to avoid another adjustment for one char */
new_w += 2*x_pad + 10;
g_object_unref(playout);
if (new_w > gtk_tree_view_column_get_width(column))
gtk_tree_view_column_set_fixed_width(column, new_w);
}
g_free(text);
out:
pango_font_description_free(pfd);
g_value_unset(&val);
}
void
trace_view_load(GtkWidget *view, struct tracecmd_input *handle,
GtkWidget *spin)
{
GtkCellRenderer *renderer;
GtkCellRenderer *fix_renderer;
GtkTreeModel *model;
long c;
/*
* The handle should have loaded the file by now.
* Try to turn off function trace indent and turn on show parent
* if possible.
*/
trace_util_add_option("ftrace:parent", "1");
trace_util_add_option("ftrace:indent", "0");
/* Also, show the function name in the tail for function graph */
trace_util_add_option("fgraph:tailprint", "1");
/* --- CPU column --- */
renderer = gtk_cell_renderer_text_new();
fix_renderer = gtk_cell_renderer_text_new();
g_object_set(fix_renderer,
"family", "Monospace",
"family-set", TRUE,
NULL);
/*
* Set fixed height mode now which will cause all the columns below to
* be created with their sizing property to be set to
* GTK_TREE_VIEW_COLUMN_FIXED.
*/
gtk_tree_view_set_fixed_height_mode(GTK_TREE_VIEW(view), TRUE);
for (c = 0; c < NUM_COLS; c++)
{
gtk_tree_view_insert_column_with_data_func(GTK_TREE_VIEW(view),
-1,
col_labels[c],
(c == COL_LAT || c == COL_INFO) ? fix_renderer : renderer,
trace_view_data_func,
(gpointer)c,
NULL);
}
g_signal_connect_swapped (G_OBJECT (spin), "value-changed",
G_CALLBACK (spin_changed),
(gpointer) view);
if (handle) {
model = create_trace_view_model(handle);
trace_view_store_set_spin_button(TRACE_VIEW_STORE(model), spin);
gtk_tree_view_set_model(GTK_TREE_VIEW(view), model);
g_object_unref(model); /* destroy model automatically with view */
}
}
void trace_view_reload(GtkWidget *view, struct tracecmd_input *handle,
GtkWidget *spin)
{
GtkTreeModel *model;
if (!handle)
return;
model = create_trace_view_model(handle);
if (!model)
return;
trace_view_store_set_spin_button(TRACE_VIEW_STORE(model), spin);
gtk_tree_view_set_model(GTK_TREE_VIEW(view), model);
}
/**
* trace_view_get_selected_row - return the selected row
* @treeview: The tree view
*
* Returns the selected row number (or -1 if none is selected)
*/
gint trace_view_get_selected_row(GtkWidget *treeview)
{
GtkTreeView *tree = GTK_TREE_VIEW(treeview);
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreePath *path;
gchar *spath;
GList *glist;
gint row;
model = gtk_tree_view_get_model(tree);
if (!model)
return -1;
selection = gtk_tree_view_get_selection(tree);
glist = gtk_tree_selection_get_selected_rows(selection, &model);
if (!glist)
return -1;
/* Only one row may be selected */
path = glist->data;
spath = gtk_tree_path_to_string(path);
row = atoi(spath);
g_free(spath);
gtk_tree_path_free(path);
g_list_free(glist);
return row;
}
void trace_view_make_selection_visible(GtkWidget *treeview)
{
GtkTreeView *tree = GTK_TREE_VIEW(treeview);
GtkTreePath *path;
gchar *spath;
GString *gstr;
gint row;
row = trace_view_get_selected_row(treeview);
if (row < 0)
return;
gstr = g_string_new("");
g_string_printf(gstr, "%d", row);
spath = g_string_free(gstr, FALSE);
path = gtk_tree_path_new_from_string(spath);
g_free(spath);
gtk_tree_view_scroll_to_cell(tree, path, NULL, TRUE, 0.5, 0.0);
gtk_tree_path_free(path);
}
void trace_view_update_filters(GtkWidget *treeview,
struct filter_task *task_filter,
struct filter_task *hide_tasks)
{
GtkTreeView *tree = GTK_TREE_VIEW(treeview);
TraceViewRecord *vrec;
GtkTreeModel *model;
guint64 time;
gint row;
model = gtk_tree_view_get_model(tree);
if (!model)
return;
/* Keep track of the currently selected row */
row = trace_view_get_selected_row(treeview);
if (row >= 0) {
vrec = trace_view_store_get_row(TRACE_VIEW_STORE(model), row);
time = vrec->timestamp;
}
g_object_ref(model);
gtk_tree_view_set_model(tree, NULL);
trace_view_store_assign_filters(TRACE_VIEW_STORE(model), task_filter, hide_tasks);
trace_view_store_update_filter(TRACE_VIEW_STORE(model));
gtk_tree_view_set_model(tree, model);
g_object_unref(model);
/* Keep selection near previous selection */
if (row >= 0)
trace_view_select(treeview, time);
}
static void select_row_from_path(GtkTreeView *tree, GtkTreePath *path)
{
GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection(tree);
gtk_tree_view_set_cursor(tree, path, NULL, FALSE);
}
void trace_view_select(GtkWidget *treeview, guint64 time)
{
GtkTreeView *tree = GTK_TREE_VIEW(treeview);
GtkTreeModel *model;
GtkTreePath *path;
gint select_page, page;
GtkWidget *spin;
gchar buf[100];
gint row;
model = gtk_tree_view_get_model(tree);
/* This can be called when we NULL out the model */
if (!model)
return;
if (!trace_view_store_visible_rows(TRACE_VIEW_STORE(model)))
return;
page = trace_view_store_get_page(TRACE_VIEW_STORE(model));
select_page = trace_view_store_get_timestamp_page(TRACE_VIEW_STORE(model),
time);
/* Make sure the page contains the selected event */
if (page != select_page) {
spin = trace_view_store_get_spin(TRACE_VIEW_STORE(model));
/* If a spin button exists, it should update when changed */
if (spin)
gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), select_page);
else {
g_object_ref(model);
gtk_tree_view_set_model(tree, NULL);
trace_view_store_set_page(TRACE_VIEW_STORE(model), select_page);
gtk_tree_view_set_model(tree, model);
g_object_unref(model);
}
}
/* Select the event */
row = trace_view_store_get_timestamp_visible_row(TRACE_VIEW_STORE(model), time);
snprintf(buf, 100, "%d", row);
path = gtk_tree_path_new_from_string(buf);
select_row_from_path(tree, path);
gtk_tree_path_free(path);
}
static void update_rows(GtkTreeView *trace_tree, TraceViewStore *store)
{
TraceViewRecord *vrec;
guint64 time;
gint row;
/* Keep track of the currently selected row */
row = trace_view_get_selected_row(GTK_WIDGET(trace_tree));
if (row >= 0) {
vrec = trace_view_store_get_row(store, row);
time = vrec->timestamp;
}
/* Force an update */
g_object_ref(store);
gtk_tree_view_set_model(trace_tree, NULL);
trace_view_store_update_filter(store);
gtk_tree_view_set_model(trace_tree, GTK_TREE_MODEL(store));
g_object_unref(store);
if (row >= 0)
trace_view_select(GTK_WIDGET(trace_tree), time);
}
void trace_view_event_filter_callback(gboolean accept,
gboolean all_events,
gchar **systems,
gint *events,
gpointer data)
{
struct event_filter *event_filter;
GtkTreeView *trace_tree = data;
GtkTreeModel *model;
TraceViewStore *store;
if (!accept)
return;
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return;
store = TRACE_VIEW_STORE(model);
if (all_events) {
if (trace_view_store_get_all_events_enabled(store))
return;
trace_view_store_set_all_events_enabled(store);
} else {
trace_view_store_clear_all_events_enabled(store);
event_filter = trace_view_store_get_event_filter(store);
trace_filter_convert_char_to_filter(event_filter, systems, events);
}
update_rows(trace_tree, store);
}
void trace_view_adv_filter_callback(gboolean accept,
const gchar *text,
gint *event_ids,
gpointer data)
{
struct event_filter *event_filter;
GtkTreeView *trace_tree = data;
GtkTreeModel *model;
TraceViewStore *store;
char error_str[200];
int ret;
int i;
if (!accept)
return;
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return;
if (!has_text(text) && !event_ids)
return;
store = TRACE_VIEW_STORE(model);
event_filter = trace_view_store_get_event_filter(store);
if (event_ids) {
for (i = 0; event_ids[i] >= 0; i++)
pevent_filter_remove_event(event_filter, event_ids[i]);
}
if (has_text(text)) {
trace_view_store_clear_all_events_enabled(store);
ret = pevent_filter_add_filter_str(event_filter, text);
if (ret < 0) {
pevent_strerror(event_filter->pevent, ret,
error_str, sizeof(error_str));
warning("filter failed due to: %s", error_str);
return;
}
}
update_rows(trace_tree, store);
}
void trace_view_copy_filter(GtkWidget *treeview,
gboolean all_events,
struct event_filter *src_event_filter)
{
GtkTreeView *trace_tree;
struct event_filter *event_filter;
GtkTreeModel *model;
TraceViewStore *store;
trace_tree = GTK_TREE_VIEW(treeview);
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return;
store = TRACE_VIEW_STORE(model);
if (all_events) {
if (trace_view_store_get_all_events_enabled(store))
return;
trace_view_store_set_all_events_enabled(store);
} else {
trace_view_store_clear_all_events_enabled(store);
event_filter = trace_view_store_get_event_filter(store);
pevent_filter_copy(event_filter, src_event_filter);
}
update_rows(trace_tree, store);
}
void trace_view_cpu_filter_callback(gboolean accept,
gboolean all_cpus,
guint64 *selected_cpu_mask,
gpointer data)
{
GtkTreeView *trace_tree = data;
TraceViewRecord *rec;
GtkTreeModel *model;
TraceViewStore *store;
guint64 time = 0;
gint selected_row;
gint cpus;
gint cpu;
if (!accept)
return;
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return;
store = TRACE_VIEW_STORE(model);
selected_row = trace_view_get_selected_row(GTK_WIDGET(trace_tree));
if (selected_row < 0)
selected_row = 0;
g_object_ref(store);
gtk_tree_view_set_model(trace_tree, NULL);
/*
* If the selected row is not part of one of the CPUs
* that are kept, then find one that is. Do nothing if
* the first row is selected.
*/
if (selected_row) {
/* Save this timestamp */
rec = trace_view_store_get_visible_row(TRACE_VIEW_STORE(model), selected_row);
time = rec->timestamp;
}
if (all_cpus) {
trace_view_store_set_all_cpus(store);
goto set_model;
}
cpus = trace_view_store_get_cpus(store);
for (cpu = 0; cpu < cpus; cpu++) {
if (cpu_isset(selected_cpu_mask, cpu))
trace_view_store_set_cpu(store, cpu);
else
trace_view_store_clear_cpu(store, cpu);
}
set_model:
gtk_tree_view_set_model(trace_tree, GTK_TREE_MODEL(store));
g_object_unref(store);
if (!time)
return;
/*
* Try to select the row that was near the selection
* before the change.
*/
trace_view_select(GTK_WIDGET(trace_tree), time);
}
static GtkTreeModel *create_col_model(GtkTreeView *treeview)
{
GtkListStore *store;
GtkTreeViewColumn *col;
GtkTreeIter iter;
const gchar *title;
int i;
store = gtk_list_store_new(1, G_TYPE_STRING);
i = 0;
col = gtk_tree_view_get_column(treeview, i++);
while (col) {
title = gtk_tree_view_column_get_title(col);
if (!title)
break;
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
0, title,
-1);
col = gtk_tree_view_get_column(treeview, i++);
}
return GTK_TREE_MODEL(store);
}
struct search_info {
GtkTreeView *treeview;
GtkWidget *entry;
GtkWidget *selection;
GtkWidget *column;
};
#define SELECTION_NAMES \
C( contains, CONTAINS ), \
C( full match, FULL_MATCH ), \
C( does not have, NOT_IN )
#undef C
#define C(a, b) #a
static gchar *select_names[] = { SELECTION_NAMES, NULL };
#undef C
#define C(a, b) SEL_##b
enum select_options { SELECTION_NAMES };
static gboolean test_int(gint val, gint search_val, enum select_options sel)
{
gint tens;
gboolean match = TRUE;
switch (sel) {
case SEL_NOT_IN:
match = FALSE;
case SEL_CONTAINS:
for (tens = 1; search_val / tens; tens *= 10)
;
while (val) {
if (val - search_val == (val / tens) * tens)
return match;
val /= 10;
}
return !match;
case SEL_FULL_MATCH:
return search_val == val;
}
return FALSE;
}
static gboolean test_text(const gchar *text, const gchar *search_text, enum select_options sel)
{
gboolean match = TRUE;
switch (sel) {
case SEL_NOT_IN:
match = FALSE;
case SEL_CONTAINS:
text = strcasestr(text, search_text);
if (text)
return match;
return !match;
case SEL_FULL_MATCH:
return strcmp(text, search_text) == 0;
}
return FALSE;
}
static gboolean test_row(GtkTreeModel *model, GtkTreeIter *iter, gint sel,
gint col_num, gint search_val, const gchar *search_text)
{
gchar *text = NULL;
gboolean found = FALSE;
gint val;
switch (col_num) {
case TRACE_VIEW_STORE_COL_INDEX:
case TRACE_VIEW_STORE_COL_CPU:
case TRACE_VIEW_STORE_COL_PID:
/* integers */
gtk_tree_model_get(model, iter,
col_num, &val,
-1);
if (test_int(val, search_val, sel))
found = TRUE;
break;
case TRACE_VIEW_STORE_COL_TS:
case TRACE_VIEW_STORE_COL_COMM:
case TRACE_VIEW_STORE_COL_LAT:
case TRACE_VIEW_STORE_COL_EVENT:
case TRACE_VIEW_STORE_COL_INFO:
/* strings */
gtk_tree_model_get(model, iter,
col_num, &text,
-1);
if (test_text(text, search_text, sel))
found = TRUE;
break;
}
return found;
}
static void search_next_pages(GtkTreeView *tree,
TraceViewStore *store, gint sel, gint col_num,
gint search_val, const char *search_text)
{
GtkTreeModel *model;
TraceViewRecord *rec;
GtkTreeIter iter;
gint row;
gint total_rows;
gboolean found = FALSE;
model = (GtkTreeModel *)store;
row = store->start_row + store->num_rows;
total_rows = trace_view_store_get_num_actual_rows(store);
trace_set_cursor(GDK_WATCH);
trace_freeze_all();
for (; row < total_rows; row++) {
/* Needed to process the cursor change */
if (!(row & ((1 << 5)-1)))
gtk_main_iteration_do(FALSE);
rec = trace_view_store_get_actual_row(store, row);
iter.user_data = rec;
found = test_row(model, &iter, sel, col_num, search_val, search_text);
if (found)
break;
}
trace_unfreeze_all();
trace_put_cursor();
if (!found) {
trace_dialog(NULL, TRACE_GUI_INFO, "Not found");
return;
}
trace_view_select(GTK_WIDGET(tree), rec->timestamp);
}
static void search_tree(gpointer data)
{
struct search_info *info = data;
GtkTreePath *path;
GtkTreeViewColumn *col;
GtkTreeModel *model;
TraceViewStore *store;
GtkTreeIter iter;
GtkEntry *entry = GTK_ENTRY(info->entry);
GtkComboBox *col_combo = GTK_COMBO_BOX(info->column);
GtkComboBox *sel_combo = GTK_COMBO_BOX(info->selection);
const gchar *title;
const gchar *search_text;
gint col_num;
gint sel;
gint search_val;
gint start_row;
gboolean found = FALSE;
gint i = 0;
col_num = gtk_combo_box_get_active(col_combo);
sel = gtk_combo_box_get_active(sel_combo);
if (col_num >= TRACE_VIEW_STORE_N_COLUMNS)
return;
search_text = gtk_entry_get_text(entry);
if (!search_text || !strlen(search_text))
return;
col = gtk_tree_view_get_column(info->treeview, col_num);
if (!col)
return;
title = gtk_tree_view_column_get_title(col);
if (!title)
return;
model = gtk_tree_view_get_model(info->treeview);
if (!model)
return;
store = TRACE_VIEW_STORE(model);
if (!trace_view_store_visible_rows(store))
return;
start_row = trace_view_get_selected_row(GTK_WIDGET(info->treeview));
if (start_row < 0)
start_row = 0;
if (!gtk_tree_model_iter_nth_child(model, &iter, NULL, start_row))
return;
trace_set_cursor(GDK_WATCH);
trace_freeze_all();
search_val = atoi(search_text);
while (gtk_tree_model_iter_next(model, &iter)) {
/* Needed to process the cursor change */
if (!(i++ & ((1 << 5)-1)))
gtk_main_iteration_do(FALSE);
found = test_row(model, &iter, sel, col_num, search_val, search_text);
if (found)
break;
}
trace_unfreeze_all();
trace_put_cursor();
if (!found) {
GtkResponseType ret;
gint pages = trace_view_store_get_pages(store);
gint page = trace_view_store_get_page(store);
if (page < pages) {
ret = trace_dialog(NULL, TRACE_GUI_ASK,
"Not found on this page\n"
"Search next pages?");
if (ret == GTK_RESPONSE_YES)
search_next_pages(info->treeview, store, sel,
col_num, search_val, search_text);
return;
}
trace_dialog(NULL, TRACE_GUI_INFO, "Not found");
return;
}
path = gtk_tree_model_get_path(model, &iter);
select_row_from_path(info->treeview, path);
gtk_tree_path_free(path);
}
void trace_view_search_setup(GtkBox *box, GtkTreeView *treeview)
{
GtkCellRenderer *renderer;
GtkListStore *store;
GtkTreeModel *model;
GtkTreeIter iter;
GtkWidget *label;
GtkWidget *col_combo;
GtkWidget *sel_combo;
GtkWidget *entry;
gchar **selects = select_names;
int i;
struct search_info *info;
renderer = gtk_cell_renderer_text_new();
info = g_new0(typeof(*info), 1);
info->treeview = treeview;
label = gtk_label_new("Column: ");
gtk_box_pack_start(box, label, FALSE, FALSE, 0);
gtk_widget_show(label);
/* --- Set up the column selection combo box --- */
model = create_col_model(treeview);
col_combo = gtk_combo_box_new_with_model(model);
gtk_box_pack_start(box, col_combo, FALSE, FALSE, 0);
gtk_widget_show(col_combo);
/* Free model with combobox */
g_object_unref(model);
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(col_combo),
renderer,
TRUE);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(col_combo),
renderer,
"text", 0,
NULL);
gtk_combo_box_set_active(GTK_COMBO_BOX(col_combo), 0);
info->column = col_combo;
/* --- Set up the column selection combo box --- */
store = gtk_list_store_new(1, G_TYPE_STRING);
model = GTK_TREE_MODEL(store);
sel_combo = gtk_combo_box_new_with_model(model);
gtk_box_pack_start(box, sel_combo, FALSE, FALSE, 0);
gtk_widget_show(sel_combo);
info->selection = sel_combo;
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(sel_combo),
renderer,
TRUE);
gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(sel_combo),
renderer,
"text", 0,
NULL);
for (i = 0; selects[i]; i++ ) {
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
0, selects[i],
-1);
}
gtk_combo_box_set_active(GTK_COMBO_BOX(sel_combo), 0);
/* --- The text entry --- */
entry = gtk_entry_new();
gtk_box_pack_start(box, entry, FALSE, FALSE, 0);
gtk_widget_show(entry);
info->entry = entry;
g_signal_connect_swapped (entry, "activate",
G_CALLBACK (search_tree),
(gpointer) info);
}
int trace_view_save_filters(struct tracecmd_xml_handle *handle,
GtkTreeView *trace_tree)
{
struct event_filter *event_filter;
GtkTreeModel *model;
TraceViewStore *store;
gboolean all_events;
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return -1;
store = TRACE_VIEW_STORE(model);
tracecmd_xml_start_system(handle, "TraceView");
all_events = trace_view_store_get_all_events_enabled(store);
event_filter = trace_view_store_get_event_filter(store);
tracecmd_xml_start_sub_system(handle, "EventFilter");
if (all_events || !event_filter)
tracecmd_xml_write_element(handle, "FilterType", "all events");
else {
tracecmd_xml_write_element(handle, "FilterType", "filter");
trace_filter_save_events(handle, event_filter);
}
tracecmd_xml_end_sub_system(handle);
tracecmd_xml_end_system(handle);
return 0;
}
static int load_event_filter(TraceViewStore *store,
struct tracecmd_xml_handle *handle,
struct tracecmd_xml_system_node *node)
{
struct tracecmd_xml_system_node *child;
struct event_filter *event_filter;
const char *name;
const char *value;
event_filter = trace_view_store_get_event_filter(store);
child = tracecmd_xml_node_child(node);
name = tracecmd_xml_node_type(child);
if (strcmp(name, "FilterType") != 0)
return -1;
value = tracecmd_xml_node_value(handle, child);
/* Do nothing with all events enabled */
if (strcmp(value, "all events") == 0)
return 0;
node = tracecmd_xml_node_next(child);
if (!node)
return -1;
trace_view_store_clear_all_events_enabled(store);
trace_filter_load_events(event_filter, handle, node);
return 0;
}
int trace_view_load_filters(struct tracecmd_xml_handle *handle,
GtkTreeView *trace_tree)
{
struct tracecmd_xml_system *system;
struct tracecmd_xml_system_node *syschild;
GtkTreeModel *model;
TraceViewStore *store;
const char *name;
model = gtk_tree_view_get_model(trace_tree);
if (!model)
return -1;
store = TRACE_VIEW_STORE(model);
system = tracecmd_xml_find_system(handle, "TraceView");
if (!system)
return -1;
syschild = tracecmd_xml_system_node(system);
if (!syschild)
goto out_free_sys;
do {
name = tracecmd_xml_node_type(syschild);
if (strcmp(name, "EventFilter") == 0)
load_event_filter(store, handle, syschild);
syschild = tracecmd_xml_node_next(syschild);
} while (syschild);
tracecmd_xml_free_system(system);
update_rows(trace_tree, store);
return 0;
out_free_sys:
tracecmd_xml_free_system(system);
return -1;
}
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