[lttv.git] / ltt / branches / poly / lttv / textDump.c

/* The text dump facility needs to print headers before the trace set and
   before each trace, to print each event, and to print statistics
   after each trace. */

#include <lttv/lttv.h>
#include <lttv/option.h>
#include <lttv/module.h>
#include <lttv/hook.h>
#include <lttv/attribute.h>
#include <lttv/iattribute.h>
#include <lttv/stats.h>
#include <ltt/ltt.h>
#include <ltt/event.h>
#include <ltt/type.h>
#include <ltt/trace.h>
#include <stdio.h>

static gboolean
  a_field_names,
  a_state,
  a_cpu_stats,
  a_process_stats;

static char
  *a_file_name = NULL;

static LttvHooks
  *before_traceset,
  *after_traceset,
  *before_trace,
  *before_event;


void print_field(LttEvent *e, LttField *f, GString *s, gboolean field_names) {

  LttType *type;

  LttField *element;

  char *name;

  int nb, i;

  type = ltt_field_type(f);
  switch(ltt_type_class(type)) {
    case LTT_INT:
      g_string_append_printf(s, " %ld", ltt_event_get_long_int(e,f));
      break;

    case LTT_UINT:
      g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f));
      break;

    case LTT_FLOAT:
      g_string_append_printf(s, " %g", ltt_event_get_double(e,f));
      break;

    case LTT_STRING:
      g_string_append_printf(s, " \"%s\"", ltt_event_get_string(e,f));
      break;

    case LTT_ENUM:
      g_string_append_printf(s, " %s", ltt_enum_string_get(type,
          ltt_event_get_unsigned(e,f)-1));
      break;

    case LTT_ARRAY:
    case LTT_SEQUENCE:
      g_string_append_printf(s, " {");
      nb = ltt_event_field_element_number(e,f);
      element = ltt_field_element(f);
      for(i = 0 ; i < nb ; i++) {
        ltt_event_field_element_select(e,f,i);
        print_field(e, element, s, field_names);
      }
      g_string_append_printf(s, " }");
      break;

    case LTT_STRUCT:
      g_string_append_printf(s, " {");
      nb = ltt_type_member_number(type);
      for(i = 0 ; i < nb ; i++) {
        element = ltt_field_member(f,i);
        if(field_names) {
          ltt_type_member_type(type, i, &name);
          g_string_append_printf(s, " %s = ", name);
        }
        print_field(e, element, s, field_names);
      }
      g_string_append_printf(s, " }");
      break;
  }
}


void lttv_event_to_string(LttEvent *e, LttTracefile *tf, GString *s,
    gboolean mandatory_fields, gboolean field_names, LttvTracefileState *tfs)
{ 
  LttFacility *facility;

  LttEventType *event_type;

  LttType *type;

  LttField *field;

  LttTime time;

  g_string_set_size(s,0);

  facility = ltt_event_facility(e);
  event_type = ltt_event_eventtype(e);
  field = ltt_event_field(e);

  if(mandatory_fields) {
    time = ltt_event_time(e);
    g_string_append_printf(s,"%s.%s: %ld.%09ld (%s)",
        ltt_facility_name(facility),
        ltt_eventtype_name(event_type), (long)time.tv_sec, time.tv_nsec,
        g_quark_to_string(tfs->cpu_name));
    /* Print the process id and the state/interrupt type of the process */
    g_string_append_printf(s,", %u, %u,  %s", tfs->process->pid,
		    tfs->process->ppid,
		    g_quark_to_string(tfs->process->state->t));
  }

  if(field)
    print_field(e, field, s, field_names);
} 


static void 
print_tree(FILE *fp, GString *indent, LttvAttribute *tree)
{
  int i, nb, saved_length;

  LttvAttribute *subtree;

  LttvAttributeName name;

  LttvAttributeValue value;

  LttvAttributeType type;

  nb = lttv_attribute_get_number(tree);
  for(i = 0 ; i < nb ; i++) {
    type = lttv_attribute_get(tree, i, &name, &value);
    fprintf(fp, "%s%s: ", indent->str, g_quark_to_string(name));

    switch(type) {
      case LTTV_INT:
        fprintf(fp, "%d\n", *value.v_int);
        break;
      case LTTV_UINT:
        fprintf(fp, "%u\n", *value.v_uint);
        break;
      case LTTV_LONG:
        fprintf(fp, "%ld\n", *value.v_long);
        break;
      case LTTV_ULONG:
        fprintf(fp, "%lu\n", *value.v_ulong);
        break;
      case LTTV_FLOAT:
        fprintf(fp, "%f\n", (double)*value.v_float);
        break;
      case LTTV_DOUBLE:
        fprintf(fp, "%f\n", *value.v_double);
        break;
      case LTTV_TIME:
        fprintf(fp, "%10u.%09u\n", value.v_time->tv_sec, 
            value.v_time->tv_nsec);
        break;
      case LTTV_POINTER:
        fprintf(fp, "POINTER\n");
        break;
      case LTTV_STRING:
        fprintf(fp, "%s\n", *value.v_string);
        break;
      case LTTV_GOBJECT:
        if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
          fprintf(fp, "\n");
          subtree = (LttvAttribute *)*(value.v_gobject);
          saved_length = indent->len; 
          g_string_append(indent, "  ");
          print_tree(fp, indent, subtree);
          g_string_truncate(indent, saved_length);
        }
        else fprintf(fp, "GOBJECT\n");
        break;
      case LTTV_NONE:
        break;
    }
  }
}


static void
print_stats(FILE *fp, LttvTracesetStats *tscs)
{
  int i, nb, saved_length;

  LttvTraceset *ts;

  LttvTraceStats *tcs;

  GString *indent;

  LttSystemDescription *desc;

  if(tscs->stats == NULL) return;
  indent = g_string_new("");
  fprintf(fp, "Traceset statistics:\n\n");
  print_tree(fp, indent, tscs->stats);

  ts = tscs->parent.parent.ts;
  nb = lttv_traceset_number(ts);

  for(i = 0 ; i < nb ; i++) {
    tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
    desc = ltt_trace_system_description(tcs->parent.parent.t);
    fprintf(fp, "Trace on system %s at time %d secs:\n", desc->node_name, 
        desc->trace_start.tv_sec);
    saved_length = indent->len;
    g_string_append(indent, "  ");
    print_tree(fp, indent, tcs->stats);
    g_string_truncate(indent, saved_length);
  }
  g_string_free(indent, TRUE);
}


/* Insert the hooks before and after each trace and tracefile, and for each
   event. Print a global header. */

static FILE *a_file;

static GString *a_string;

static gboolean write_traceset_header(void *hook_data, void *call_data)
{
  LttvTracesetContext *tc = (LttvTracesetContext *)call_data;

  g_info("TextDump traceset header");

  if(a_file_name == NULL) a_file = stdout;
  else a_file = fopen(a_file_name, "w");

  if(a_file == NULL) g_error("cannot open file %s", a_file_name);

  /* Print the trace set header */
  fprintf(a_file,"Trace set contains %d traces\n\n", 
      lttv_traceset_number(tc->ts));

  return FALSE;
}


static gboolean write_traceset_footer(void *hook_data, void *call_data)
{
  LttvTracesetContext *tc = (LttvTracesetContext *)call_data;

  g_info("TextDump traceset footer");

  fprintf(a_file,"End trace set\n\n");

  if(LTTV_IS_TRACESET_STATS(tc)) {
    print_stats(a_file, (LttvTracesetStats *)tc);
  }

  if(a_file_name != NULL) fclose(a_file);

  return FALSE;
}


static gboolean write_trace_header(void *hook_data, void *call_data)
{
  LttvTraceContext *tc = (LttvTraceContext *)call_data;

  LttSystemDescription *system = ltt_trace_system_description(tc->t);

  fprintf(a_file,"  Trace from %s in %s\n%s\n\n", system->node_name, 
      system->domain_name, system->description);
  return FALSE;
}


static int write_event_content(void *hook_data, void *call_data)
{
  LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;

  LttvTracefileState *tfs = (LttvTracefileState *)call_data;

  LttEvent *e;

  e = tfc->e;

  lttv_event_to_string(e, tfc->tf, a_string, TRUE, a_field_names, tfs);
  g_string_append_printf(a_string,"\n");  

  if(a_state) {
    g_string_append_printf(a_string, " %s",
        g_quark_to_string(tfs->process->state->s));
  }

  fputs(a_string->str, a_file);
  return FALSE;
}


G_MODULE_EXPORT void init(LttvModule *self, int argc, char **argv)
{
  LttvAttributeValue value;

  LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());

  g_info("Init textDump.c");

  lttv_module_require(self, "libbatchAnalysis", argc, argv);

  a_string = g_string_new("");

  a_file_name = NULL;
  lttv_option_add("output", 'o', 
      "output file where the text is written", 
      "file name", 
      LTTV_OPT_STRING, &a_file_name, NULL, NULL);

  a_field_names = FALSE;
  lttv_option_add("field_names", 'l', 
      "write the field names for each event", 
      "", 
      LTTV_OPT_NONE, &a_field_names, NULL, NULL);

  a_state = FALSE;
  lttv_option_add("process_state", 's', 
      "write the pid and state for each event", 
      "", 
      LTTV_OPT_NONE, &a_state, NULL, NULL);

  a_cpu_stats = FALSE;
  lttv_option_add("cpu_stats", 's', 
      "write the per cpu statistics", 
      "", 
      LTTV_OPT_NONE, &a_cpu_stats, NULL, NULL);

  a_process_stats = FALSE;
  lttv_option_add("process_stats", 's', 
      "write the per process statistics", 
      "", 
      LTTV_OPT_NONE, &a_process_stats, NULL, NULL);

  g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
      LTTV_POINTER, &value));
  g_assert((before_event = *(value.v_pointer)) != NULL);
  lttv_hooks_add(before_event, write_event_content, NULL);

  g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
      LTTV_POINTER, &value));
  g_assert((before_trace = *(value.v_pointer)) != NULL);
  lttv_hooks_add(before_trace, write_trace_header, NULL);

  g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
      LTTV_POINTER, &value));
  g_assert((before_traceset = *(value.v_pointer)) != NULL);
  lttv_hooks_add(before_traceset, write_traceset_header, NULL);

  g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
      LTTV_POINTER, &value));
  g_assert((after_traceset = *(value.v_pointer)) != NULL);
  lttv_hooks_add(after_traceset, write_traceset_footer, NULL);
}


G_MODULE_EXPORT void destroy()
{
  g_info("Destroy textDump");

  lttv_option_remove("output");

  lttv_option_remove("field_names");

  lttv_option_remove("process_state");

  lttv_option_remove("cpu_stats");

  lttv_option_remove("process_stats");

  g_string_free(a_string, TRUE);

  lttv_hooks_remove_data(before_event, write_event_content, NULL);

  lttv_hooks_remove_data(before_trace, write_trace_header, NULL);

  lttv_hooks_remove_data(before_trace, write_traceset_header, NULL);

  lttv_hooks_remove_data(before_trace, write_traceset_footer, NULL);
}
Commit	Line	Data
	1	/* The text dump facility needs to print headers before the trace set and
	2	before each trace, to print each event, and to print statistics
	3	after each trace. */
	4
	5	#include <lttv/lttv.h>
	6	#include <lttv/option.h>
	7	#include <lttv/module.h>
	8	#include <lttv/hook.h>
	9	#include <lttv/attribute.h>
	10	#include <lttv/iattribute.h>
	11	#include <lttv/stats.h>
	12	#include <ltt/ltt.h>
	13	#include <ltt/event.h>
	14	#include <ltt/type.h>
	15	#include <ltt/trace.h>
	16	#include <stdio.h>
	17
	18	static gboolean
	19	a_field_names,
	20	a_state,
	21	a_cpu_stats,
	22	a_process_stats;
	23
	24	static char
	25	*a_file_name = NULL;
	26
	27	static LttvHooks
	28	*before_traceset,
	29	*after_traceset,
	30	*before_trace,
	31	*before_event;
	32
	33
	34	void print_field(LttEvent e, LttField f, GString *s, gboolean field_names) {
	35
	36	LttType *type;
	37
	38	LttField *element;
	39
	40	char *name;
	41
	42	int nb, i;
	43
	44	type = ltt_field_type(f);
	45	switch(ltt_type_class(type)) {
	46	case LTT_INT:
	47	g_string_append_printf(s, " %ld", ltt_event_get_long_int(e,f));
	48	break;
	49
	50	case LTT_UINT:
	51	g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f));
	52	break;
	53
	54	case LTT_FLOAT:
	55	g_string_append_printf(s, " %g", ltt_event_get_double(e,f));
	56	break;
	57
	58	case LTT_STRING:
	59	g_string_append_printf(s, " \"%s\"", ltt_event_get_string(e,f));
	60	break;
	61
	62	case LTT_ENUM:
	63	g_string_append_printf(s, " %s", ltt_enum_string_get(type,
	64	ltt_event_get_unsigned(e,f)-1));
	65	break;
	66
	67	case LTT_ARRAY:
	68	case LTT_SEQUENCE:
	69	g_string_append_printf(s, " {");
	70	nb = ltt_event_field_element_number(e,f);
	71	element = ltt_field_element(f);
	72	for(i = 0 ; i < nb ; i++) {
	73	ltt_event_field_element_select(e,f,i);
	74	print_field(e, element, s, field_names);
	75	}
	76	g_string_append_printf(s, " }");
	77	break;
	78
	79	case LTT_STRUCT:
	80	g_string_append_printf(s, " {");
	81	nb = ltt_type_member_number(type);
	82	for(i = 0 ; i < nb ; i++) {
	83	element = ltt_field_member(f,i);
	84	if(field_names) {
	85	ltt_type_member_type(type, i, &name);
	86	g_string_append_printf(s, " %s = ", name);
	87	}
	88	print_field(e, element, s, field_names);
	89	}
	90	g_string_append_printf(s, " }");
	91	break;
	92	}
	93	}
	94
	95
	96	void lttv_event_to_string(LttEvent e, LttTracefile tf, GString *s,
	97	gboolean mandatory_fields, gboolean field_names, LttvTracefileState *tfs)
	98	{
	99	LttFacility *facility;
	100
	101	LttEventType *event_type;
	102
	103	LttType *type;
	104
	105	LttField *field;
	106
	107	LttTime time;
	108
	109	g_string_set_size(s,0);
	110
	111	facility = ltt_event_facility(e);
	112	event_type = ltt_event_eventtype(e);
	113	field = ltt_event_field(e);
	114
	115	if(mandatory_fields) {
	116	time = ltt_event_time(e);
	117	g_string_append_printf(s,"%s.%s: %ld.%09ld (%s)",
	118	ltt_facility_name(facility),
	119	ltt_eventtype_name(event_type), (long)time.tv_sec, time.tv_nsec,
	120	g_quark_to_string(tfs->cpu_name));
	121	/* Print the process id and the state/interrupt type of the process */
	122	g_string_append_printf(s,", %u, %u, %s", tfs->process->pid,
	123	tfs->process->ppid,
	124	g_quark_to_string(tfs->process->state->t));
	125	}
	126
	127	if(field)
	128	print_field(e, field, s, field_names);
	129	}
	130
	131
	132	static void
	133	print_tree(FILE fp, GString indent, LttvAttribute *tree)
	134	{
	135	int i, nb, saved_length;
	136
	137	LttvAttribute *subtree;
	138
	139	LttvAttributeName name;
	140
	141	LttvAttributeValue value;
	142
	143	LttvAttributeType type;
	144
	145	nb = lttv_attribute_get_number(tree);
	146	for(i = 0 ; i < nb ; i++) {
	147	type = lttv_attribute_get(tree, i, &name, &value);
	148	fprintf(fp, "%s%s: ", indent->str, g_quark_to_string(name));
	149
	150	switch(type) {
	151	case LTTV_INT:
	152	fprintf(fp, "%d\n", *value.v_int);
	153	break;
	154	case LTTV_UINT:
	155	fprintf(fp, "%u\n", *value.v_uint);
	156	break;
	157	case LTTV_LONG:
	158	fprintf(fp, "%ld\n", *value.v_long);
	159	break;
	160	case LTTV_ULONG:
	161	fprintf(fp, "%lu\n", *value.v_ulong);
	162	break;
	163	case LTTV_FLOAT:
	164	fprintf(fp, "%f\n", (double)*value.v_float);
	165	break;
	166	case LTTV_DOUBLE:
	167	fprintf(fp, "%f\n", *value.v_double);
	168	break;
	169	case LTTV_TIME:
	170	fprintf(fp, "%10u.%09u\n", value.v_time->tv_sec,
	171	value.v_time->tv_nsec);
	172	break;
	173	case LTTV_POINTER:
	174	fprintf(fp, "POINTER\n");
	175	break;
	176	case LTTV_STRING:
	177	fprintf(fp, "%s\n", *value.v_string);
	178	break;
	179	case LTTV_GOBJECT:
	180	if(LTTV_IS_ATTRIBUTE(*(value.v_gobject))) {
	181	fprintf(fp, "\n");
	182	subtree = (LttvAttribute )(value.v_gobject);
	183	saved_length = indent->len;
	184	g_string_append(indent, " ");
	185	print_tree(fp, indent, subtree);
	186	g_string_truncate(indent, saved_length);
	187	}
	188	else fprintf(fp, "GOBJECT\n");
	189	break;
	190	case LTTV_NONE:
	191	break;
	192	}
	193	}
	194	}
	195
	196
	197	static void
	198	print_stats(FILE fp, LttvTracesetStats tscs)
	199	{
	200	int i, nb, saved_length;
	201
	202	LttvTraceset *ts;
	203
	204	LttvTraceStats *tcs;
	205
	206	GString *indent;
	207
	208	LttSystemDescription *desc;
	209
	210	if(tscs->stats == NULL) return;
	211	indent = g_string_new("");
	212	fprintf(fp, "Traceset statistics:\n\n");
	213	print_tree(fp, indent, tscs->stats);
	214
	215	ts = tscs->parent.parent.ts;
	216	nb = lttv_traceset_number(ts);
	217
	218	for(i = 0 ; i < nb ; i++) {
	219	tcs = (LttvTraceStats *)(LTTV_TRACESET_CONTEXT(tscs)->traces[i]);
	220	desc = ltt_trace_system_description(tcs->parent.parent.t);
	221	fprintf(fp, "Trace on system %s at time %d secs:\n", desc->node_name,
	222	desc->trace_start.tv_sec);
	223	saved_length = indent->len;
	224	g_string_append(indent, " ");
	225	print_tree(fp, indent, tcs->stats);
	226	g_string_truncate(indent, saved_length);
	227	}
	228	g_string_free(indent, TRUE);
	229	}
	230
	231
	232	/* Insert the hooks before and after each trace and tracefile, and for each
	233	event. Print a global header. */
	234
	235	static FILE *a_file;
	236
	237	static GString *a_string;
	238
	239	static gboolean write_traceset_header(void hook_data, void call_data)
	240	{
	241	LttvTracesetContext tc = (LttvTracesetContext )call_data;
	242
	243	g_info("TextDump traceset header");
	244
	245	if(a_file_name == NULL) a_file = stdout;
	246	else a_file = fopen(a_file_name, "w");
	247
	248	if(a_file == NULL) g_error("cannot open file %s", a_file_name);
	249
	250	/* Print the trace set header */
	251	fprintf(a_file,"Trace set contains %d traces\n\n",
	252	lttv_traceset_number(tc->ts));
	253
	254	return FALSE;
	255	}
	256
	257
	258	static gboolean write_traceset_footer(void hook_data, void call_data)
	259	{
	260	LttvTracesetContext tc = (LttvTracesetContext )call_data;
	261
	262	g_info("TextDump traceset footer");
	263
	264	fprintf(a_file,"End trace set\n\n");
	265
	266	if(LTTV_IS_TRACESET_STATS(tc)) {
	267	print_stats(a_file, (LttvTracesetStats *)tc);
	268	}
	269
	270	if(a_file_name != NULL) fclose(a_file);
	271
	272	return FALSE;
	273	}
	274
	275
	276	static gboolean write_trace_header(void hook_data, void call_data)
	277	{
	278	LttvTraceContext tc = (LttvTraceContext )call_data;
	279
	280	LttSystemDescription *system = ltt_trace_system_description(tc->t);
	281
	282	fprintf(a_file," Trace from %s in %s\n%s\n\n", system->node_name,
	283	system->domain_name, system->description);
	284	return FALSE;
	285	}
	286
	287
	288	static int write_event_content(void hook_data, void call_data)
	289	{
	290	LttvTracefileContext tfc = (LttvTracefileContext )call_data;
	291
	292	LttvTracefileState tfs = (LttvTracefileState )call_data;
	293
	294	LttEvent *e;
	295
	296	e = tfc->e;
	297
	298	lttv_event_to_string(e, tfc->tf, a_string, TRUE, a_field_names, tfs);
	299	g_string_append_printf(a_string,"\n");
	300
	301	if(a_state) {
	302	g_string_append_printf(a_string, " %s",
	303	g_quark_to_string(tfs->process->state->s));
	304	}
	305
	306	fputs(a_string->str, a_file);
	307	return FALSE;
	308	}
	309
	310
	311	G_MODULE_EXPORT void init(LttvModule self, int argc, char *argv)
	312	{
	313	LttvAttributeValue value;
	314
	315	LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
	316
	317	g_info("Init textDump.c");
	318
	319	lttv_module_require(self, "libbatchAnalysis", argc, argv);
	320
	321	a_string = g_string_new("");
	322
	323	a_file_name = NULL;
	324	lttv_option_add("output", 'o',
	325	"output file where the text is written",
	326	"file name",
	327	LTTV_OPT_STRING, &a_file_name, NULL, NULL);
	328
	329	a_field_names = FALSE;
	330	lttv_option_add("field_names", 'l',
	331	"write the field names for each event",
	332	"",
	333	LTTV_OPT_NONE, &a_field_names, NULL, NULL);
	334
	335	a_state = FALSE;
	336	lttv_option_add("process_state", 's',
	337	"write the pid and state for each event",
	338	"",
	339	LTTV_OPT_NONE, &a_state, NULL, NULL);
	340
	341	a_cpu_stats = FALSE;
	342	lttv_option_add("cpu_stats", 's',
	343	"write the per cpu statistics",
	344	"",
	345	LTTV_OPT_NONE, &a_cpu_stats, NULL, NULL);
	346
	347	a_process_stats = FALSE;
	348	lttv_option_add("process_stats", 's',
	349	"write the per process statistics",
	350	"",
	351	LTTV_OPT_NONE, &a_process_stats, NULL, NULL);
	352
	353	g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
	354	LTTV_POINTER, &value));
	355	g_assert((before_event = *(value.v_pointer)) != NULL);
	356	lttv_hooks_add(before_event, write_event_content, NULL);
	357
	358	g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
	359	LTTV_POINTER, &value));
	360	g_assert((before_trace = *(value.v_pointer)) != NULL);
	361	lttv_hooks_add(before_trace, write_trace_header, NULL);
	362
	363	g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
	364	LTTV_POINTER, &value));
	365	g_assert((before_traceset = *(value.v_pointer)) != NULL);
	366	lttv_hooks_add(before_traceset, write_traceset_header, NULL);
	367
	368	g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
	369	LTTV_POINTER, &value));
	370	g_assert((after_traceset = *(value.v_pointer)) != NULL);
	371	lttv_hooks_add(after_traceset, write_traceset_footer, NULL);
	372	}
	373
	374
	375	G_MODULE_EXPORT void destroy()
	376	{
	377	g_info("Destroy textDump");
	378
	379	lttv_option_remove("output");
	380
	381	lttv_option_remove("field_names");
	382
	383	lttv_option_remove("process_state");
	384
	385	lttv_option_remove("cpu_stats");
	386
	387	lttv_option_remove("process_stats");
	388
	389	g_string_free(a_string, TRUE);
	390
	391	lttv_hooks_remove_data(before_event, write_event_content, NULL);
	392
	393	lttv_hooks_remove_data(before_trace, write_trace_header, NULL);
	394
	395	lttv_hooks_remove_data(before_trace, write_traceset_header, NULL);
	396
	397	lttv_hooks_remove_data(before_trace, write_traceset_footer, NULL);
	398	}
	399
	400
	401
	402