#include <lttv/traceset.h>
#include <lttv/iattribute.h>
+#include <lttv/state.h>
+#include <lttv/event.h>
+#include <lttv/hook.h>
#include <stdio.h>
+#include <babeltrace/babeltrace.h>
+#include <babeltrace/context.h>
+#include <babeltrace/ctf/iterator.h>
+#include <babeltrace/ctf/events.h>
+
+/* To traverse a tree recursively */
+#include <fcntl.h>
+#include <fts.h>
+/* For the use of realpath*/
+#include <limits.h>
+#include <stdlib.h>
+/* For strcpy*/
+#include <string.h>
/* A trace is a sequence of events gathered in the same tracing session. The
events may be stored in several tracefiles in the same directory.
possibly to study the interactions between events in the different traces.
*/
-struct _LttvTraceset {
- char * filename;
- GPtrArray *traces;
- LttvAttribute *a;
-};
-
-struct _LttvTrace {
- LttTrace *t;
- LttvAttribute *a;
- guint ref_count;
-};
-
-
-LttvTraceset *lttv_traceset_new()
+LttvTraceset *lttv_traceset_new(void)
{
- LttvTraceset *s;
-
- s = g_new(LttvTraceset, 1);
- s->filename = NULL;
- s->traces = g_ptr_array_new();
- s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
- return s;
+ LttvTraceset *ts;
+ struct bt_iter_pos begin_pos;
+
+ ts = g_new(LttvTraceset, 1);
+ ts->filename = NULL;
+ ts->traces = g_ptr_array_new();
+ ts->context = bt_context_create();
+ ts->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ //TODO remove this when we have really mecanism
+ //s->tmpState = g_new(LttvTraceState *, 1);
+ //lttv_trace_state_init(s->tmpState,0);
+
+ /*Initialize iterator to the beginning of the traces*/
+ begin_pos.type = BT_SEEK_BEGIN;
+ ts->iter = bt_ctf_iter_create(ts->context, &begin_pos, NULL);
+
+ ts->event_hooks = lttv_hooks_new();
+
+ ts->state_trace_handle_index = g_ptr_array_new();
+ ts->has_precomputed_states = FALSE;
+
+ ts->time_span.start_time = ltt_time_zero;
+ ts->time_span.end_time = ltt_time_zero;
+ lttv_traceset_get_time_span_real(ts);
+ return ts;
}
char * lttv_traceset_name(LttvTraceset * s)
return s->filename;
}
-LttvTrace *lttv_trace_new(LttTrace *t)
+#ifdef BABEL_CLEANUP
+LttvTrace *lttv_trace_new(LttTrace *t)
{
LttvTrace *new_trace;
new_trace = g_new(LttvTrace, 1);
new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
- new_trace->t = t;
+ new_trace->id = t;
new_trace->ref_count = 0;
return new_trace;
}
+#endif
+/*
+ * get_absolute_pathname : Return the unique pathname in the system
+ *
+ * pathname is the relative path.
+ *
+ * abs_pathname is being set to the absolute path.
+ *
+ */
+void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname)
+{
+ abs_pathname[0] = '\0';
+
+ if (realpath(pathname, abs_pathname) != NULL)
+ return;
+ else
+ {
+ /* error, return the original path unmodified */
+ strcpy(abs_pathname, pathname);
+ return;
+ }
+ return;
+}
+
+
+/*
+ * lttv_trace_create : Create a trace from a path
+ *
+ * ts is the traceset in which will be contained the trace
+ *
+ * path is the path where to find a trace. It is not recursive.
+ *
+ * This function is static since a trace should always be contained in a
+ * traceset.
+ *
+ * return the created trace or NULL on failure
+ */
+static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path)
+{
+ int id = bt_context_add_trace(lttv_traceset_get_context(ts),
+ path,
+ "ctf",
+ NULL,
+ NULL,
+ NULL);
+ if (id < 0) {
+ return NULL;
+ }
+ // Create the trace and save the trace handle id returned by babeltrace
+ LttvTrace *new_trace;
+
+ new_trace = g_new(LttvTrace, 1);
+ new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ new_trace->id = id;
+ new_trace->ref_count = 0;
+ new_trace->traceset = ts;
+ new_trace->state = g_new(LttvTraceState,1);
+ lttv_trace_state_init(new_trace->state,new_trace);
+
+ /* Add the state to the trace_handle to state index */
+ g_ptr_array_set_size(ts->state_trace_handle_index,id+1);
+ g_ptr_array_index(ts->state_trace_handle_index,id) = new_trace->state;
+
+ return new_trace;
+}
+
+/*
+ * lttv_trace_create : Create and add a single trace to a traceset
+ *
+ * ts is the traceset in which will be contained the trace
+ *
+ * path is the path where to find a trace. It is not recursive.
+ *
+ * return a positive integer (>=0)on success or -1 on failure
+ */
+static int lttv_traceset_create_trace(LttvTraceset *ts, const char *path)
+{
+ LttvTrace *trace = lttv_trace_create(ts, path);
+ if (trace == NULL) {
+ return -1;
+ }
+ lttv_traceset_add(ts, trace);
+ return 0;
+}
LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig)
{
s = g_new(LttvTraceset, 1);
s->filename = NULL;
s->traces = g_ptr_array_new();
+ s->state_trace_handle_index = g_ptr_array_new();
for(i=0;i<s_orig->traces->len;i++)
{
trace = g_ptr_array_index(s_orig->traces, i);
trace->ref_count++;
+ /* WARNING: this is an alias, not a copy. */
g_ptr_array_add(s->traces, trace);
+
+ g_ptr_array_set_size(s->state_trace_handle_index,trace->id+1);
+ g_ptr_array_index(s->state_trace_handle_index,trace->id) = trace->state;
+
}
+ s->context = s_orig->context;
+ bt_context_get(s->context);
s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a)));
return s;
}
for(i=0;i<s->traces->len;i++) {
LttvTrace *trace = g_ptr_array_index(s->traces, i);
lttv_trace_unref(trace);
+ // todo mdenis 2012-03-27: uncomment when babeltrace gets fixed
+ //bt_context_remove_trace(lttv_traceset_get_context(s), trace->id);
if(lttv_trace_get_ref_number(trace) == 0)
lttv_trace_destroy(trace);
}
g_ptr_array_free(s->traces, TRUE);
+ bt_context_put(s->context);
g_object_unref(s->a);
g_free(s);
}
+struct bt_context *lttv_traceset_get_context(LttvTraceset *s)
+{
+ return s->context;
+}
+
+LttvTraceset *lttv_trace_get_traceset(LttvTrace *trace)
+{
+ return trace->traceset;
+}
+
+LttvHooks *lttv_traceset_get_hooks(LttvTraceset *s)
+{
+ return s->event_hooks;
+}
+
void lttv_trace_destroy(LttvTrace *t)
{
g_object_unref(t->a);
g_free(t);
}
-
void lttv_traceset_add(LttvTraceset *s, LttvTrace *t)
{
t->ref_count++;
g_ptr_array_add(s->traces, t);
}
+int lttv_traceset_add_path(LttvTraceset *ts, char *trace_path)
+{
+ FTS *tree;
+ FTSENT *node;
+ char * const paths[2] = { trace_path, NULL };
+ int ret = -1;
+
+ gboolean metaFileFound = FALSE;
+
+ tree = fts_open(paths, FTS_NOCHDIR | FTS_LOGICAL, 0);
+ if (tree == NULL) {
+ g_warning("Cannot traverse \"%s\" for reading.\n",
+ trace_path);
+ return ret;
+ }
+
+ int dirfd, metafd;
+ while ((node = fts_read(tree))) {
+
+ if (!(node->fts_info & FTS_D))
+ continue;
+
+ dirfd = open(node->fts_accpath, 0);
+ if (dirfd < 0) {
+ g_warning("Unable to open trace "
+ "directory file descriptor : %s.", node->fts_accpath);
+ ret = dirfd;
+ goto error;
+ }
+
+ // Check if a metadata file exists in the current directory
+ metafd = openat(dirfd, "metadata", O_RDONLY);
+ if (metafd < 0) {
+ ret = close(dirfd);
+ if (ret < 0) {
+ g_warning("Unable to open metadata "
+ "file descriptor : %s.", node->fts_accpath);
+ goto error;
+ }
+ } else {
+ ret = close(metafd);
+ if (ret < 0) {
+ g_warning("Unable to close metadata "
+ "file descriptor : %s.", node->fts_accpath);
+ goto error;
+ }
+ ret = close(dirfd);
+ if (ret < 0) {
+ g_warning("Unable to close trace "
+ "directory file descriptor : %s.", node->fts_accpath);
+ goto error;
+ }
+
+ ret = lttv_traceset_create_trace(ts, node->fts_accpath);
+ if (ret < 0) {
+ g_warning("Opening trace \"%s\" from %s "
+ "for reading.", node->fts_accpath, trace_path);
+ goto error;
+ }
+ metaFileFound = TRUE;
+ }
+ }
+
+error:
+ ret = fts_close(tree);
+ if (ret < 0) {
+ g_warning("Unable to close tree "
+ "file descriptor : %s.", trace_path);
+ }
+ if(metaFileFound)
+ return ret;
+ else
+ return -1;
+}
+
unsigned lttv_traceset_number(LttvTraceset *s)
{
g_assert(s->traces->len > i);
t = (LttvTrace *)s->traces->pdata[i];
t->ref_count--;
+ bt_context_remove_trace(lttv_traceset_get_context(s), t->id);
g_ptr_array_remove_index(s->traces, i);
}
}
-LttTrace *lttv_trace(LttvTrace *t)
+gint lttv_trace_get_id(LttvTrace *t)
{
- return t->t;
+ return t->id;
}
guint lttv_trace_get_ref_number(LttvTrace * t)
{
+ // todo mdenis: adapt to babeltrace
return t->ref_count;
}
return t->ref_count;
}
+guint lttv_trace_get_num_cpu(LttvTrace *t)
+{
+#warning "TODO - Set the right number of CPU"
+ return 24;
+}
+
+LttvTracesetPosition *lttv_traceset_create_current_position(LttvTraceset *traceset)
+{
+ LttvTracesetPosition *traceset_pos;
+
+ traceset_pos = g_new(LttvTracesetPosition, 1);
+
+ /* Check if the new passed */
+ if(traceset_pos == NULL) {
+ return NULL;
+ }
+
+ traceset_pos->iter = traceset->iter;
+ traceset_pos->bt_pos = bt_iter_get_pos(bt_ctf_get_iter(traceset->iter));
+ traceset_pos->timestamp = G_MAXUINT64;
+ traceset_pos->cpu_id = INT_MAX;
+
+ return traceset_pos;
+}
+
+LttvTracesetPosition *lttv_traceset_create_time_position(LttvTraceset *traceset,
+ LttTime timestamp)
+{
+ LttvTracesetPosition *traceset_pos;
+
+ traceset_pos = g_new(LttvTracesetPosition, 1);
+
+ /* Check if the new passed */
+ if(traceset_pos == NULL) {
+ return NULL;
+ }
+
+ traceset_pos->iter = traceset->iter;
+ traceset_pos->bt_pos = bt_iter_create_time_pos(
+ bt_ctf_get_iter(traceset_pos->iter),
+ ltt_time_to_uint64(timestamp));
+ traceset_pos->timestamp = G_MAXUINT64;
+ traceset_pos->cpu_id = INT_MAX;
+ return traceset_pos;
+}
+
+void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos)
+{
+ bt_iter_free_pos(traceset_pos->bt_pos);
+ g_free(traceset_pos);
+}
+
+void lttv_traceset_seek_to_position(const LttvTracesetPosition *traceset_pos)
+{
+ bt_iter_set_pos(bt_ctf_get_iter(traceset_pos->iter), traceset_pos->bt_pos);
+}
+
+guint lttv_traceset_get_cpuid_from_event(LttvEvent *event)
+{
+ unsigned long timestamp;
+ unsigned int cpu_id;
+
+ struct bt_ctf_event *ctf_event = event->bt_event;
+ timestamp = bt_ctf_get_timestamp(ctf_event);
+ if (timestamp == -1ULL) {
+ return 0;
+ }
+ const struct definition *scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT);
+ if (bt_ctf_field_get_error()) {
+ return 0;
+ }
+ cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, "cpu_id"));
+ if (bt_ctf_field_get_error()) {
+ return 0;
+ } else {
+ return cpu_id;
+ }
+}
+
+guint64 lttv_traceset_get_timestamp_first_event(LttvTraceset *ts)
+{
+ LttvTracesetPosition begin_position;
+ struct bt_iter_pos pos;
+ begin_position.bt_pos = &pos;
+ begin_position.timestamp = G_MAXUINT64;
+ begin_position.cpu_id = INT_MAX;
+
+ /* Assign iterator to the beginning of the traces */
+ begin_position.bt_pos->type = BT_SEEK_BEGIN;
+ begin_position.iter = ts->iter;
+
+ return lttv_traceset_position_get_timestamp(&begin_position);
+}
+
+guint64 lttv_traceset_get_timestamp_last_event(LttvTraceset *ts)
+{
+ LttvTracesetPosition last_position;
+ struct bt_iter_pos pos;
+ last_position.bt_pos = &pos;
+ last_position.timestamp = G_MAXUINT64;
+ last_position.cpu_id = INT_MAX;
+#ifdef BABEL_HAS_SEEK_LAST
+ /* Assign iterator to the last event of the traces */
+ last_position.bt_pos->type = BT_SEEK_LAST;
+ last_position.iter = ts->iter;
+#endif
+ return lttv_traceset_position_get_timestamp(&last_position);
+}
+
+/*
+ * lttv_traceset_get_timestamp_begin : returns the minimum timestamp of
+ * all the traces in the traceset.
+ *
+ */
+guint64 lttv_traceset_get_timestamp_begin(LttvTraceset *traceset)
+{
+ struct bt_context *bt_ctx;
+ bt_ctx = lttv_traceset_get_context(traceset);
+ guint64 timestamp_min, timestamp_cur = 0;
+ int i;
+ int trace_count;
+ LttvTrace *currentTrace;
+ trace_count = traceset->traces->len;
+ if(trace_count == 0)
+ timestamp_min = 0;
+ else{
+ timestamp_min = G_MAXUINT64;
+ for(i = 0; i < trace_count;i++)
+ {
+ currentTrace = g_ptr_array_index(traceset->traces,i);
+ timestamp_cur = bt_trace_handle_get_timestamp_begin(bt_ctx,
+ currentTrace->id,
+ BT_CLOCK_REAL);
+ if(timestamp_cur < timestamp_min)
+ timestamp_min = timestamp_cur;
+ }
+ }
+ return timestamp_min;
+}
+
+/*
+ * lttv_traceset_get_timestamp_end: returns the maximum timestamp of
+ * all the traces in the traceset.
+ *
+ */
+guint64 lttv_traceset_get_timestamp_end(LttvTraceset *traceset)
+{
+ struct bt_context *bt_ctx;
+ bt_ctx = lttv_traceset_get_context(traceset);
+ guint64 timestamp_max, timestamp_cur = 0;
+ int i;
+ int trace_count;
+ LttvTrace *currentTrace;
+ trace_count = traceset->traces->len;
+
+ if(trace_count == 0){
+ timestamp_max = 1;
+ }
+ else{
+ timestamp_max = 0;
+ for(i =0; i < trace_count;i++)
+ {
+ currentTrace = g_ptr_array_index(traceset->traces,i);
+ timestamp_cur = bt_trace_handle_get_timestamp_end(bt_ctx,
+ currentTrace->id,
+ BT_CLOCK_REAL);
+ if(timestamp_cur > timestamp_max){
+ timestamp_max = timestamp_cur;
+ }
+ }
+ }
+ return timestamp_max;
+}
+/*
+ * lttv_traceset_get_time_span_real : return a TimeInterval representing the
+ * minimum timestamp and the maximum timestamp of the traceset.
+ *
+ */
+TimeInterval lttv_traceset_get_time_span_real(LttvTraceset *ts)
+{
+
+
+ if(ltt_time_compare(ts->time_span.start_time,
+ ltt_time_zero) == 0 && ts->traces->len > 0){
+ ts->time_span.start_time = ltt_time_from_uint64(
+ lttv_traceset_get_timestamp_first_event(ts));
+#ifdef BABEL_HAS_SEEK_LAST
+ ts->time_span.end_time = ltt_time_from_uint64(
+ lttv_traceset_get_timestamp_end(ts));
+#else
+ ts->time_span.end_time = lttv_traceset_get_time_span(ts).end_time;
+#endif
+ }
+ return ts->time_span;
+}
+
+/*
+ * lttv_traceset_get_time_span : return a TimeInterval representing the
+ * minimum timestamp and the maximum timestamp of the traceset.
+ *
+ */
+TimeInterval lttv_traceset_get_time_span(LttvTraceset *ts)
+{
+ if(ltt_time_compare(ts->time_span.start_time, ltt_time_zero) == 0){
+ ts->time_span.start_time =ltt_time_from_uint64(
+ lttv_traceset_get_timestamp_begin(ts));
+ ts->time_span.end_time = ltt_time_from_uint64(
+ lttv_traceset_get_timestamp_end(ts));
+ }
+ return ts->time_span;
+}
+
+const char *lttv_traceset_get_name_from_event(LttvEvent *event)
+{
+ return bt_ctf_event_name(event->bt_event);
+}
+
+int set_values_position(const LttvTracesetPosition *pos)
+{
+ LttvTracesetPosition previous_pos;
+ previous_pos.iter = pos->iter;
+ previous_pos.bt_pos = bt_iter_get_pos(bt_ctf_get_iter(pos->iter));
+ /* Seek to the new desired position */
+ lttv_traceset_seek_to_position(pos);
+ /*Read the event*/
+ struct bt_ctf_event *event = bt_ctf_iter_read_event(pos->iter);
+
+ if(event != NULL){
+ ((LttvTracesetPosition *)pos)->timestamp = bt_ctf_get_timestamp(event);
+
+ LttvEvent lttv_event;
+ lttv_event.bt_event = event;
+ ((LttvTracesetPosition *)pos)->cpu_id = lttv_traceset_get_cpuid_from_event(<tv_event);
+ }
+ else {
+ /* The event is null */
+ return 0;
+ }
+
+ /* Reassign the previously saved position */
+ lttv_traceset_seek_to_position(&previous_pos);
+ /*We must desallocate because the function bt_iter_get_pos() does a g_new */
+ bt_iter_free_pos(previous_pos.bt_pos);
+ return 1;
+}
+
+guint64 lttv_traceset_position_get_timestamp(const LttvTracesetPosition *pos)
+{
+ if(pos->timestamp == G_MAXUINT64){
+ if(set_values_position(pos) == 0){
+ return 0;
+ }
+ }
+
+ return pos->timestamp;
+}
+
+int lttv_traceset_position_get_cpuid(const LttvTracesetPosition *pos){
+ if(pos->cpu_id == INT_MAX ){
+ if(set_values_position(pos) == 0){
+ return 0;
+ }
+ }
+ return pos->cpu_id;
+}
+
+LttTime lttv_traceset_position_get_time(const LttvTracesetPosition *pos)
+{
+ return ltt_time_from_uint64(lttv_traceset_position_get_timestamp(pos));
+}
+
+
+
+int lttv_traceset_position_compare(const LttvTracesetPosition *pos1, const LttvTracesetPosition *pos2)
+{
+#warning " TODO :Rename for lttv_traceset_position_equals && Must return COMPARAISON OF THE 2 POSITION && verify if it is the best way to compare position"
+ if(pos1 == NULL || pos2 == NULL){
+ return -1;
+ }
+
+ guint64 timeStampPos1,timeStampPos2;
+ guint cpuId1, cpuId2;
+
+ timeStampPos1 = lttv_traceset_position_get_timestamp(pos1);
+ timeStampPos2 = lttv_traceset_position_get_timestamp(pos2);
+
+
+ cpuId1 = lttv_traceset_position_get_cpuid(pos1);
+ cpuId2 = lttv_traceset_position_get_cpuid(pos2);
+
+ if(timeStampPos1 == timeStampPos2 && cpuId1 == cpuId2){
+ return 0;
+ }
+ else{
+ return 1;
+ }
+}
+
+int lttv_traceset_position_time_compare(const LttvTracesetPosition *pos1,
+ const LttvTracesetPosition *pos2)
+{
+ guint64 timeStampPos1,timeStampPos2;
+
+ timeStampPos1 = lttv_traceset_position_get_timestamp(pos1);
+ timeStampPos2 = lttv_traceset_position_get_timestamp(pos2);
+
+ return timeStampPos1 - timeStampPos2;
+}
+int lttv_traceset_position_compare_current(const LttvTraceset *ts,
+ const LttvTracesetPosition *pos)
+{
+ int result = 0;
+ LttvTracesetPosition *curPos = lttv_traceset_create_current_position(ts);
+
+ result = lttv_traceset_position_compare(curPos,pos);
+
+ lttv_traceset_destroy_position(curPos);
+
+ return result;
+}
+
+LttTime lttv_traceset_get_current_time(const LttvTraceset *ts)
+{
+ LttvTracesetPosition *curPos = lttv_traceset_create_current_position(ts);
+ guint64 currentTimestamp = lttv_traceset_position_get_timestamp(curPos);
+ lttv_traceset_destroy_position(curPos);
+
+ return ltt_time_from_uint64(currentTimestamp);
+}
projects / lttv.git / blobdiff