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#include <stdio.h>
#include "ufo-priv.h"
#include "ufo/compat.h"
#include "ufo/ufo-profiler.h"
#include "ufo/ufo-task-node.h"
typedef struct {
const gchar *name;
gchar *tid;
gsize pid;
gchar type;
gdouble timestamp;
gconstpointer data;
} Event;
typedef struct {
GList *events;
} EventContainer;
static gint
compare_events (const Event *a,
const Event *b)
{
if (a->timestamp != b->timestamp)
return a->timestamp < b->timestamp ? -1 : 1;
/* Check that 'B' < 'E' */
return (a->type - b->type);
}
static GList *
get_sorted_trace_events (GList *nodes)
{
GList *it;
GList *sorted = NULL;
g_list_for (nodes, it) {
UfoTaskNode *node;
UfoProfiler *profiler;
GList *events;
GList *jt;
node = UFO_TASK_NODE (it->data);
profiler = ufo_task_node_get_profiler (node);
events = ufo_profiler_get_trace_events (profiler);
g_list_for (events, jt) {
UfoTraceEvent *trace_event;
Event *event;
trace_event = (UfoTraceEvent *) jt->data;
event = g_new0 (Event, 1);
event->timestamp = trace_event->timestamp;
if (trace_event->type & UFO_TRACE_EVENT_BEGIN)
event->type = 'B';
if (trace_event->type & UFO_TRACE_EVENT_END)
event->type = 'E';
if (trace_event->type & UFO_TRACE_EVENT_PROCESS)
event->name = "process";
if (trace_event->type & UFO_TRACE_EVENT_GENERATE)
event->name = "generate";
event->pid = 1;
event->tid = g_strdup_printf ("%s-%p", G_OBJECT_TYPE_NAME (node), (gpointer) node);
sorted = g_list_insert_sorted (sorted, event, (GCompareFunc) compare_events);
}
}
return sorted;
}
static Event *
make_event (const gchar *kernel, gconstpointer queue, gchar type, gulong timestamp)
{
Event *event;
event = g_new0 (Event, 1);
event->name = g_strdup (kernel);
event->tid = g_strdup (kernel);
event->pid = (gsize) queue;
event->type = type;
/* Convert from OpenCL ns to seconds in order to get µs in the trace view */
event->timestamp = timestamp * 10e-9;
return event;
}
static void
add_events (const gchar *kernel, gconstpointer queue,
gulong queued, gulong submitted, gulong start, gulong end,
EventContainer *c)
{
c->events = g_list_append (c->events, make_event (kernel, queue, 'B', start));
c->events = g_list_append (c->events, make_event (kernel, queue, 'E', end));
}
static void
write_trace_json (const gchar *filename_template, GList *events)
{
FILE *fp;
gchar *filename;
GList *it;
guint pid;
pid = (guint) getpid ();
filename = g_strdup_printf (filename_template, pid);
fp = fopen (filename, "w");
fprintf (fp, "{ \"traceEvents\": [");
g_list_for (events, it) {
Event *event = (Event *) it->data;
gdouble timestamp = event->timestamp * 1000 * 1000;
fprintf (fp, "{\"cat\":\"f\",\"ph\": \"%c\", \"ts\": %.0f, \"pid\": %zu, \"tid\": \"%s\",\"name\": \"%s\", \"args\": {}}",
event->type, timestamp, event->pid, event->tid, event->name);
if (g_list_next (it) != NULL)
fprintf (fp, ",");
}
fprintf (fp, "] }");
fclose (fp);
g_free (filename);
}
void
ufo_write_opencl_events (GList *nodes)
{
GList *it;
EventContainer container;
container.events = NULL;
g_list_for (nodes, it) {
UfoProfiler *profiler;
profiler = ufo_task_node_get_profiler (UFO_TASK_NODE (it->data));
ufo_profiler_foreach (profiler, (UfoProfilerFunc) add_events, &container);
}
container.events = g_list_sort (container.events, (GCompareFunc) compare_events);
write_trace_json ("opencl.%i.json", container.events);
g_list_free (container.events);
}
void
ufo_write_profile_events (GList *nodes)
{
GList *sorted;
sorted = get_sorted_trace_events (nodes);
write_trace_json ("trace.%i.json", sorted);
g_list_foreach (sorted, (GFunc) g_free, NULL);
g_list_free (sorted);
}
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