#ifndef PROCESSTRACE_H
#define PROCESSTRACE_H
+#include <string.h>
#include <lttv/traceset.h>
#include <lttv/attribute.h>
#include <lttv/hook.h>
#include <ltt/ltt.h>
+#include <ltt/marker.h>
/* This is the generic part of trace processing. All events within a
certain time interval are accessed and processing hooks are called for
GArray *tracefiles;
LttvAttribute *a;
LttvAttribute *t_a;
+ TimeInterval time_span;
};
struct _LttvTraceContextClass {
LttvHooksById *event_by_id;
LttTime timestamp;
LttvAttribute *a;
+ gint target_pid; /* Target PID of the event.
+ Updated by state.c. -1 means unset. */
};
struct _LttvTracefileContextClass {
guint lttv_process_traceset_middle(LttvTracesetContext *self,
LttTime end,
- guint nb_events,
+ gulong nb_events,
const LttvTracesetContextPosition *end_position);
void lttv_process_traceset_end(LttvTracesetContext *self,
void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *self,
unsigned i);
-/* A LttvTraceHook has two arrays of LttvTraceHookByFacility,
- * indexed by facility ID and a simple array used to walk all the hooks */
typedef struct _LttvTraceHook {
- GArray *fac_index;
- GArray *fac_list;
-} LttvTraceHook;
-
-typedef struct _LttvTraceHookByFacility {
LttvHook h;
- guint id;
- LttField *f1;
- LttField *f2;
- LttField *f3;
+ guint16 id; /* id of the marker associated with this hook */
+ GPtrArray *fields; /* struct marker_fields pointers */
gpointer hook_data;
-} LttvTraceHookByFacility;
-
-
-/* Get the first facility corresponding to the name. As the types must be
- * compatible, it is relevant to use the field name and sizes of the first
- * facility to create data structures and assume the data will be compatible
- * thorough the trace */
-LttvTraceHookByFacility *lttv_trace_hook_get_first(LttvTraceHook *th);
+} LttvTraceHook;
-LttvTraceHookByFacility *lttv_trace_hook_get_fac(
- LttvTraceHook *th, guint facility_id);
+/* Get the head of marker list corresponding to the given trace hook.
+ */
+struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th);
-void lttv_trace_hook_destroy(LttvTraceHook *th);
+/* Remove the hooks from the array. Does not free the array itself. */
+void lttv_trace_hook_remove_all(GArray **th);
/* Search in the trace for the id of the named event type within the named
facility. Then, find the three (if non null) named fields. All that
information is then used to fill the LttvTraceHook structure. This
is useful to find the specific id for an event within a trace, for
registering a hook using this structure as event data;
- it already contains the (up to three) needed fields handles. */
-
-gint lttv_trace_find_hook(LttTrace *t, GQuark facility, GQuark event_type,
- GQuark field1, GQuark field2, GQuark field3, LttvHook h,
- gpointer hook_data, LttvTraceHook *th);
+ it already contains the (up to three) needed fields handles.
+ Returns the modified LttvTraceHook array.
+ Prints warnings if events or markers are not found. returns 1 on error,
+ 0 on success.
+ Adds the hooks to the trace_hooks array.
+ */
+
+int lttv_trace_find_hook(LttTrace *t, GQuark facility_name, GQuark event_name,
+ GQuark fields[], LttvHook h, gpointer hook_data, GArray **trace_hooks);
+
+static inline struct marker_field *
+lttv_trace_get_hook_field(LttvTraceHook *hook, unsigned int index)
+{
+ return g_ptr_array_index(hook->fields, index);
+}
+
+static inline GQuark lttv_merge_facility_event_name(GQuark fac, GQuark ev)
+{
+ char *tmp;
+ const char *sfac, *sev;
+ GQuark ret;
+
+ sfac = g_quark_to_string(fac);
+ sev = g_quark_to_string(ev);
+ tmp = g_new(char, strlen(sfac) + strlen(sev) + 3); /* 3: _ \0 \0 */
+ strcpy(tmp, sfac);
+ strcat(tmp, "_");
+ strcat(tmp, sev);
+ ret = g_quark_from_string(tmp);
+ g_free(tmp);
+ return ret;
+}
LttvTracefileContext *lttv_traceset_context_get_current_tfc(
LttvTracesetContext *self);
#define BACKWARD_SEEK_MUL 2 /* Multiplication factor of time_offset between
backward seek iterations */
-static const LttTime seek_back_default_offset = { 0, 100000000 };
+static const LttTime seek_back_default_offset = { 1, 0 };
+
+typedef gboolean check_handler(guint count, gboolean *stop_flag, gpointer data);
guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self,
guint n,
- LttvFilter *filter);
+ check_handler *check,
+ gboolean *stop_flag,
+ LttvFilter *filter1,
+ LttvFilter *filter2,
+ LttvFilter *filter3,
+ gpointer data);
typedef void (*seek_time_fct)(LttvTracesetContext *self, LttTime start);
/* If first_offset is ltt_time_zero, it will choose a default value */
guint n,
LttTime first_offset,
seek_time_fct,
- LttvFilter *filter);
-
+ check_handler *check,
+ gboolean *stop_flag,
+ LttvFilter *filter1,
+ LttvFilter *filter2,
+ LttvFilter *filter3,
+ gpointer data);
+
+#define FIELD_ARRAY(val...) ((GQuark[]){ val, 0 })
#endif // PROCESSTRACE_H
projects / lttv.git / blobdiff