#include <stdlib.h>
-#include "parser.h"
#include <ltt/ltt.h>
#include "ltt-private.h"
#include <ltt/trace.h>
-#include <ltt/facility.h>
#include <ltt/event.h>
-#include <ltt/type.h>
+//#include <ltt/type.h>
#include <ltt/ltt-types.h>
-#include <ltt/markers.h>
+#include <ltt/marker.h>
/* Facility names used in this file */
#define PAGE_MASK (~(page_size-1))
#define PAGE_ALIGN(addr) (((addr)+page_size-1)&PAGE_MASK)
+LttTrace *father_trace = NULL;
+
/* set the offset of the fields belonging to the event,
need the information of the archecture */
//void set_fields_offsets(LttTracefile *tf, LttEventType *event_type);
/* go to the next event */
static int ltt_seek_next_event(LttTracefile *tf);
-void ltt_update_event_size(LttTracefile *tf);
+//void ltt_update_event_size(LttTracefile *tf);
+
+static int open_tracefiles(LttTrace *trace, gchar *root_path,
+ gchar *relative_path);
+static int ltt_process_facility_tracefile(LttTracefile *tf);
+static void ltt_tracefile_time_span_get(LttTracefile *tf,
+ LttTime *start, LttTime *end);
+static void group_time_span_get(GQuark name, gpointer data, gpointer user_data);
+static gint map_block(LttTracefile * tf, guint block_num);
+static int ltt_seek_next_event(LttTracefile *tf);
+static void __attribute__((constructor)) init(void);
+static void ltt_update_event_size(LttTracefile *tf);
+
+/* Enable event debugging */
+static int a_event_debug = 0;
+void ltt_event_debug(int state)
+{
+ a_event_debug = state;
+}
-void precompute_offsets(LttFacility *fac, LttEventType *event);
+//void precompute_offsets(LttFacility *fac, LttEventType *event);
#if 0
/* Functions to parse system.xml file (using glib xml parser) */
}
#endif //0
-
+#if 0
LttFacility *ltt_trace_get_facility_by_num(LttTrace *t,
guint num)
{
return &g_array_index(t->facilities_by_num, LttFacility, num);
}
+#endif //0
guint ltt_trace_get_num_cpu(LttTrace *t)
{
/* Get float byte order : might be different from int byte order
* (or is set to 0 if the trace has no float (kernel trace)) */
tf->float_word_order = any->float_word_order;
- tf->has_alignment = any->has_alignment;
+ tf->alignment = any->alignment;
tf->has_heartbeat = any->has_heartbeat;
if(t) {
t->ltt_major_version = any->major_version;
t->ltt_minor_version = any->minor_version;
t->flight_recorder = any->flight_recorder;
- t->compact_facilities = NULL;
+ // t->compact_facilities = NULL;
}
-
switch(any->major_version) {
case 0:
+ g_warning("Unsupported trace version : %hhu.%hhu",
+ any->major_version, any->minor_version);
+ return 1;
+ break;
+ case 1:
switch(any->minor_version) {
- case 3:
- {
- tf->buffer_header_size =
- sizeof(struct ltt_block_start_header)
- + sizeof(struct ltt_trace_header_0_3);
- g_warning("Unsupported trace version : %hhu.%hhu",
- any->major_version, any->minor_version);
- return 1;
- }
- break;
- case 7:
+ case 0:
{
- struct ltt_trace_header_0_7 *vheader =
- (struct ltt_trace_header_0_7 *)header;
+ struct ltt_trace_header_1_0 *vheader =
+ (struct ltt_trace_header_1_0 *)header;
tf->buffer_header_size =
sizeof(struct ltt_block_start_header)
- + sizeof(struct ltt_trace_header_0_7);
- tf->tsc_lsb_truncate = 0;
- tf->tscbits = 32;
- tf->tsc_msb_cutoff = 32 - tf->tsc_lsb_truncate - tf->tscbits;
- tf->tsc_mask = (1ULL<<32)-1;
- tf->tsc_mask_next_bit = (1ULL<<32);
- if(t) {
- t->start_freq = ltt_get_uint64(LTT_GET_BO(tf),
- &vheader->start_freq);
- t->freq_scale = ltt_get_uint32(LTT_GET_BO(tf),
- &vheader->freq_scale);
- t->start_tsc = ltt_get_uint64(LTT_GET_BO(tf),
- &vheader->start_tsc);
- t->start_monotonic = ltt_get_uint64(LTT_GET_BO(tf),
- &vheader->start_monotonic);
- t->start_time.tv_sec = ltt_get_uint64(LTT_GET_BO(tf),
- &vheader->start_time_sec);
- t->start_time.tv_nsec = ltt_get_uint64(LTT_GET_BO(tf),
- &vheader->start_time_usec);
- t->start_time.tv_nsec *= 1000; /* microsec to nanosec */
-
- t->start_time_from_tsc = ltt_time_from_uint64(
- (double)t->start_tsc
- * (1000000000.0 / tf->trace->freq_scale)
- / (double)t->start_freq);
- t->compact_event_bits = 0;
- }
- }
- break;
- case 8:
- {
- struct ltt_trace_header_0_8 *vheader =
- (struct ltt_trace_header_0_8 *)header;
- tf->buffer_header_size =
- sizeof(struct ltt_block_start_header)
- + sizeof(struct ltt_trace_header_0_8);
+ + sizeof(struct ltt_trace_header_1_0);
tf->tsc_lsb_truncate = vheader->tsc_lsb_truncate;
tf->tscbits = vheader->tscbits;
tf->tsc_msb_cutoff = 32 - tf->tsc_lsb_truncate - tf->tscbits;
+ tf->compact_event_bits = 32 - vheader->compact_data_shift;
tf->tsc_mask = ((1ULL << (tf->tscbits))-1);
tf->tsc_mask = tf->tsc_mask << tf->tsc_lsb_truncate;
tf->tsc_mask_next_bit = (1ULL<<(tf->tscbits));
&vheader->start_freq);
t->freq_scale = ltt_get_uint32(LTT_GET_BO(tf),
&vheader->freq_scale);
+ if(father_trace) {
+ t->start_freq = father_trace->start_freq;
+ t->freq_scale = father_trace->freq_scale;
+ }
+ else {
+ father_trace = t;
+ }
t->start_tsc = ltt_get_uint64(LTT_GET_BO(tf),
&vheader->start_tsc);
t->start_monotonic = ltt_get_uint64(LTT_GET_BO(tf),
(double)t->start_tsc
* (1000000000.0 / tf->trace->freq_scale)
/ (double)t->start_freq);
- t->compact_event_bits = 0;
}
}
break;
default:
g_warning("Unsupported trace version : %hhu.%hhu",
- any->major_version, any->minor_version);
+ any->major_version, any->minor_version);
return 1;
}
break;
-
default:
g_warning("Unsupported trace version : %hhu.%hhu",
any->major_version, any->minor_version);
perror("Error in allocating memory for buffer of tracefile");
goto close_file;
}
- g_assert( ( (guint)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned.
+ g_assert( ( (gulong)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned.
header = (struct ltt_block_start_header*)tf->buffer.head;
int get_tracefile_name_number(gchar *raw_name,
GQuark *name,
guint *num,
- guint *tid,
- guint *pgid,
+ gulong *tid,
+ gulong *pgid,
guint64 *creation)
{
guint raw_name_len = strlen(raw_name);
for(i=0; i<group->len; i++) {
tf = &g_array_index (group, LttTracefile, i);
- if(tf->cpu_online) return 1;
+ if(tf->cpu_online)
+ return 1;
}
return 0;
}
* A tracefile group is simply an array where all the per cpu tracefiles sit.
*/
-static int open_tracefiles(LttTrace *trace, gchar *root_path,
- gchar *relative_path)
+int open_tracefiles(LttTrace *trace, gchar *root_path, gchar *relative_path)
{
DIR *dir = opendir(root_path);
struct dirent *entry;
g_debug("Tracefile file or directory : %s\n", path);
- if(strcmp(rel_path, "/eventdefs") == 0) continue;
+ // if(strcmp(rel_path, "/eventdefs") == 0) continue;
if(S_ISDIR(stat_buf.st_mode)) {
if(ret < 0) continue;
} else if(S_ISREG(stat_buf.st_mode)) {
GQuark name;
- guint num, tid, pgid;
+ guint num;
+ gulong tid, pgid;
guint64 creation;
GArray *group;
- num = tid = pgid = 0;
+ num = 0;
+ tid = pgid = 0;
creation = 0;
if(get_tracefile_name_number(rel_path, &name, &num, &tid, &pgid, &creation))
continue; /* invalid name */
if(num+1 > old_len)
group = g_array_set_size(group, num+1);
g_array_index (group, LttTracefile, num) = tmp_tf;
-
+ g_array_index (group, LttTracefile, num).event.tracefile =
+ &g_array_index (group, LttTracefile, num);
}
}
*
* Returns 0 on success, or 1 on failure.
*/
-
+#if 0
static int ltt_get_facility_description(LttFacility *f,
LttTrace *t,
LttTracefile *fac_tf)
g_array_free(fac_ids, TRUE);
}
-
+#endif //0
/* Presumes the tracefile is already seeked at the beginning. It makes sense,
* because it must be done just after the opening */
-static int ltt_process_facility_tracefile(LttTracefile *tf)
+int ltt_process_facility_tracefile(LttTracefile *tf)
{
int err;
- LttFacility *fac;
- GArray *fac_ids;
+ //LttFacility *fac;
+ //GArray *fac_ids;
guint i;
- LttEventType *et;
+ //LttEventType *et;
while(1) {
err = ltt_tracefile_read_seek(tf);
* 2 : state dump facility load
* 3 : heartbeat
*/
- if(tf->event.facility_id != LTT_FACILITY_CORE) {
+ if(tf->event.event_id >= MARKER_CORE_IDS) {
/* Should only contain core facility */
g_warning("Error in processing facility file %s, "
- "should not contain facility id %u.", g_quark_to_string(tf->name),
- tf->event.facility_id);
+ "should not contain event id %u.", g_quark_to_string(tf->name),
+ tf->event.event_id);
err = EPERM;
- goto fac_id_error;
+ goto event_id_error;
} else {
- struct LttFacilityLoad *fac_load_data;
- struct LttStateDumpFacilityLoad *fac_state_dump_load_data;
- char *fac_name;
- void *pos;
+ char *pos;
+ const char *marker_name, *format;
+ uint16_t id;
+ guint8 int_size, long_size, pointer_size, size_t_size, alignment;
// FIXME align
- switch((enum ltt_core_events)tf->event.event_id) {
- case LTT_EVENT_FACILITY_LOAD:
- fac_name = (char*)(tf->event.data);
- g_debug("Doing LTT_EVENT_FACILITY_LOAD of facility %s",
- fac_name);
- pos = (tf->event.data + strlen(fac_name) + 1);
- pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
- fac_load_data = (struct LttFacilityLoad *)pos;
-
- fac = &g_array_index (tf->trace->facilities_by_num, LttFacility,
- ltt_get_uint32(LTT_GET_BO(tf), &fac_load_data->id));
- /* facility may already exist if trace is paused/unpaused */
- if(fac->exists) continue;
- fac->name = g_quark_from_string(fac_name);
- fac->checksum = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_load_data->checksum);
- fac->id = ltt_get_uint32(LTT_GET_BO(tf), &fac_load_data->id);
- fac->pointer_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_load_data->pointer_size);
- fac->int_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_load_data->int_size);
- fac->long_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_load_data->long_size);
- fac->size_t_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_load_data->size_t_size);
- fac->alignment = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_load_data->has_alignment);
-
- if(ltt_get_facility_description(fac, tf->trace, tf))
- continue; /* error opening description */
-
- fac->trace = tf->trace;
-
- /* Preset the field offsets */
- for(i=0; i<fac->events->len; i++){
- et = &g_array_index(fac->events, LttEventType, i);
- precompute_offsets(fac, et);
- }
-
- fac->exists = 1;
-
- fac_ids = g_datalist_id_get_data(&tf->trace->facilities_by_name,
- fac->name);
- if(fac_ids == NULL) {
- fac_ids = g_array_sized_new (FALSE, TRUE, sizeof(guint), 1);
- g_datalist_id_set_data_full(&tf->trace->facilities_by_name,
- fac->name,
- fac_ids, ltt_fac_ids_destroy);
- }
- g_array_append_val(fac_ids, fac->id);
-
+ switch((enum marker_id)tf->event.event_id) {
+ case MARKER_ID_SET_MARKER_ID:
+ marker_name = pos = tf->event.data;
+ g_debug("Doing MARKER_ID_SET_MARKER_ID of marker %s", marker_name);
+ pos += strlen(marker_name) + 1;
+ //remove genevent compatibility
+ //pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
+ pos += ltt_align((size_t)pos, sizeof(uint16_t), tf->alignment);
+ id = ltt_get_uint16(LTT_GET_BO(tf), pos);
+ g_debug("In MARKER_ID_SET_MARKER_ID of marker %s id %hu",
+ marker_name, id);
+ pos += sizeof(guint16);
+ int_size = *(guint8*)pos;
+ pos += sizeof(guint8);
+ long_size = *(guint8*)pos;
+ pos += sizeof(guint8);
+ pointer_size = *(guint8*)pos;
+ pos += sizeof(guint8);
+ size_t_size = *(guint8*)pos;
+ pos += sizeof(guint8);
+ alignment = *(guint8*)pos;
+ pos += sizeof(guint8);
+ marker_id_event(tf->trace, g_quark_from_string(marker_name),
+ id, int_size, long_size,
+ pointer_size, size_t_size, alignment);
break;
- case LTT_EVENT_FACILITY_UNLOAD:
- g_debug("Doing LTT_EVENT_FACILITY_UNLOAD");
- /* We don't care about unload : facilities ID are valid for the whole
- * trace. They simply won't be used after the unload. */
+ case MARKER_ID_SET_MARKER_FORMAT:
+ marker_name = pos = tf->event.data;
+ g_debug("Doing MARKER_ID_SET_MARKER_FORMAT of marker %s",
+ marker_name);
+ pos += strlen(marker_name) + 1;
+ //break genevent.
+ //pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
+ format = pos;
+ pos += strlen(format) + 1;
+ //break genevent
+ //pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
+ marker_format_event(tf->trace, g_quark_from_string(marker_name),
+ format);
+ /* get information from dictionnary TODO */
break;
- case LTT_EVENT_STATE_DUMP_FACILITY_LOAD:
- fac_name = (char*)(tf->event.data);
- g_debug("Doing LTT_EVENT_STATE_DUMP_FACILITY_LOAD of facility %s",
- fac_name);
- pos = (tf->event.data + strlen(fac_name) + 1);
- pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
- fac_state_dump_load_data = (struct LttStateDumpFacilityLoad *)pos;
-
- fac = &g_array_index (tf->trace->facilities_by_num, LttFacility,
- ltt_get_uint32(LTT_GET_BO(tf), &fac_state_dump_load_data->id));
- /* facility may already exist if trace is paused/unpaused */
- if(fac->exists) continue;
- fac->name = g_quark_from_string(fac_name);
- fac->checksum = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->checksum);
- fac->id = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->id);
- fac->pointer_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->pointer_size);
- fac->int_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->int_size);
- fac->long_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->long_size);
- fac->size_t_size = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->size_t_size);
- fac->alignment = ltt_get_uint32(LTT_GET_BO(tf),
- &fac_state_dump_load_data->has_alignment);
- if(ltt_get_facility_description(fac, tf->trace, tf))
- continue; /* error opening description */
-
- fac->trace = tf->trace;
-
- /* Preset the field offsets */
- for(i=0; i<fac->events->len; i++){
- et = &g_array_index(fac->events, LttEventType, i);
- precompute_offsets(fac, et);
- }
-
- fac->exists = 1;
-
- fac_ids = g_datalist_id_get_data(&tf->trace->facilities_by_name,
- fac->name);
- if(fac_ids == NULL) {
- fac_ids = g_array_sized_new (FALSE, TRUE, sizeof(guint), 1);
- g_datalist_id_set_data_full(&tf->trace->facilities_by_name,
- fac->name,
- fac_ids, ltt_fac_ids_destroy);
- }
- g_array_append_val(fac_ids, fac->id);
- g_debug("fac id : %u", fac->id);
-
- break;
- case LTT_EVENT_HEARTBEAT:
- break;
- case LTT_EVENT_HEARTBEAT_FULL:
+ case MARKER_ID_HEARTBEAT_32:
+ case MARKER_ID_HEARTBEAT_64:
break;
default:
g_warning("Error in processing facility file %s, "
- "unknown event id %hhu in core facility.",
+ "unknown event id %hhu.",
g_quark_to_string(tf->name),
tf->event.event_id);
err = EPERM;
/* Error handling */
event_id_error:
-fac_id_error:
update_error:
seek_error:
g_warning("An error occured in facility tracefile parsing");
DIR *dir;
struct dirent *entry;
guint control_found = 0;
- guint eventdefs_found = 0;
struct stat stat_buf;
gchar path[PATH_MAX];
if(strcmp(entry->d_name, "control") == 0) {
control_found = 1;
}
- if(strcmp(entry->d_name, "eventdefs") == 0) {
- eventdefs_found = 1;
- }
}
}
closedir(dir);
- if(!control_found || !eventdefs_found) goto find_error;
+ if(!control_found) goto find_error;
/* Open all the tracefiles */
if(open_tracefiles(t, abs_path, "")) {
goto find_error;
}
- /* Prepare the facilities containers : array and mapping */
- /* Array is zeroed : the "exists" field is set to false by default */
- t->facilities_by_num = g_array_sized_new (FALSE,
- TRUE, sizeof(LttFacility),
- NUM_FACILITIES);
- t->facilities_by_num = g_array_set_size(t->facilities_by_num, NUM_FACILITIES);
-
- g_datalist_init(&t->facilities_by_name);
-
/* Parse each trace control/facilitiesN files : get runtime fac. info */
group = g_datalist_id_get_data(&t->tracefiles, LTT_TRACEFILE_NAME_FACILITIES);
if(group == NULL) {
t->num_cpu = group->len;
+ ret = allocate_marker_data(t);
+ if (ret)
+ g_error("Error in allocating marker data");
+
for(i=0; i<group->len; i++) {
tf = &g_array_index (group, LttTracefile, i);
if(ltt_process_facility_tracefile(tf))
goto facilities_error;
}
- t->compact_facilities = ltt_trace_facility_get_by_name(t,
- g_quark_from_string("compact"));
- if(!t->compact_facilities)
- t->compact_facilities = ltt_trace_facility_get_by_name(t,
- g_quark_from_string("flight-compact"));
- if (t->compact_facilities) {
- /* FIXME : currently does not support unload/load of compact
- * facility during tracing. Should check for the currently loaded
- * version of the facility. */
- g_assert(t->compact_facilities->len == 1);
- g_assert(t->compact_facilities);
- {
- guint facility_id = g_array_index(t->compact_facilities, guint, 0);
- LttFacility *fac = ltt_trace_facility_by_id(t, facility_id);
- unsigned int num = ltt_facility_eventtype_number(fac);
- /* Could be done much quicker, but not on much used code path */
- if(num) {
- t->compact_event_bits = 1;
- while(num >>= 1)
- t->compact_event_bits++;
- } else
- t->compact_event_bits = 0;
- }
- }
return t;
/* Error handling */
facilities_error:
- g_datalist_clear(&t->facilities_by_name);
- g_array_free(t->facilities_by_num, TRUE);
+ destroy_marker_data(t);
find_error:
g_datalist_clear(&t->tracefiles);
open_error:
void ltt_trace_close(LttTrace *t)
{
- guint i;
- LttFacility *fac;
-
- for(i=0; i<t->facilities_by_num->len; i++) {
- fac = &g_array_index (t->facilities_by_num, LttFacility, i);
- if(fac->exists)
- ltt_facility_close(fac);
- }
-
- g_datalist_clear(&t->facilities_by_name);
- g_array_free(t->facilities_by_num, TRUE);
g_datalist_clear(&t->tracefiles);
g_free(t);
}
/*****************************************************************************
*Get the system description of the trace
****************************************************************************/
-
+#if 0
LttFacility *ltt_trace_facility_by_id(LttTrace *t, guint8 id)
{
g_assert(id < t->facilities_by_num->len);
{
return g_datalist_id_get_data(&t->facilities_by_name, name);
}
+#endif //0
/*****************************************************************************
* Functions to discover all the event types in the trace
* Get the start time and end time of the trace
****************************************************************************/
-static void ltt_tracefile_time_span_get(LttTracefile *tf,
+void ltt_tracefile_time_span_get(LttTracefile *tf,
LttTime *start, LttTime *end)
{
int err;
LttTime *end;
};
-static void group_time_span_get(GQuark name, gpointer data, gpointer user_data)
+void group_time_span_get(GQuark name, gpointer data, gpointer user_data)
{
struct tracefile_time_span_get_args *args =
(struct tracefile_time_span_get_args*)user_data;
return 0;
}
+static void print_debug_event_header(LttEvent *ev, void *start_pos, void *end_pos)
+{
+ unsigned int offset = 0;
+ int i, j;
+
+ g_printf("Event header (tracefile %s offset %llx):\n",
+ g_quark_to_string(ev->tracefile->long_name),
+ ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size)
+ + (long)start_pos - (long)ev->tracefile->buffer.head);
+
+ while (offset < (long)end_pos - (long)start_pos) {
+ g_printf("%8lx", (long)start_pos - (long)ev->tracefile->buffer.head + offset);
+ g_printf(" ");
+
+ for (i = 0; i < 4 ; i++) {
+ for (j = 0; j < 4; j++) {
+ if (offset + ((i * 4) + j) <
+ (long)end_pos - (long)start_pos)
+ g_printf("%02hhX",
+ ((char*)start_pos)[offset + ((i * 4) + j)]);
+ else
+ g_printf(" ");
+ g_printf(" ");
+ }
+ if (i < 4)
+ g_printf(" ");
+ }
+ offset+=16;
+ g_printf("\n");
+ }
+}
+
/* same as ltt_tracefile_read, but does not seek to the next event nor call
* event specific operation. */
{
void * pos;
LttEvent *event;
+ void *pos_aligned;
event = &tf->event;
pos = tf->buffer.head + event->offset;
/* Align the head */
if(!tf->compact)
- pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
+ pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
else {
g_assert(tf->has_heartbeat);
- pos += ltt_align((size_t)pos, sizeof(uint32_t), tf->has_alignment);
+ pos += ltt_align((size_t)pos, sizeof(uint32_t), tf->alignment);
}
+ pos_aligned = pos;
if(tf->has_heartbeat) {
event->timestamp = ltt_get_uint32(LTT_GET_BO(tf),
/* We keep the LSB of the previous timestamp, to make sure
* we never go back */
event->event_id = event->timestamp >> tf->tscbits;
- event->event_id = event->event_id & ((1 << tf->trace->compact_event_bits) - 1);
+ event->event_id = event->event_id & ((1 << tf->compact_event_bits) - 1);
event->compact_data = event->timestamp >>
- (tf->trace->compact_event_bits + tf->tscbits);
+ (tf->compact_event_bits + tf->tscbits);
//printf("tsc bits %u, ev bits %u init data %u\n",
// tf->tscbits, tf->trace->compact_event_bits, event->compact_data);
/* Put the compact data back in original endianness */
event->tsc = tf->buffer.tsc;
}
//printf("current tsc 0x%llX\n", tf->buffer.tsc);
- event->facility_id = g_array_index(tf->trace->compact_facilities, guint, 0);
}
pos += sizeof(guint32);
} else {
event->event_time = ltt_interpolate_time(tf, event);
if(!tf->compact) {
- event->facility_id = *(guint8*)pos;
- pos += sizeof(guint8);
-
- event->event_id = *(guint8*)pos;
- pos += sizeof(guint8);
+ event->event_id = ltt_get_uint16(LTT_GET_BO(tf), pos);
+ pos += sizeof(guint16);
event->event_size = ltt_get_uint16(LTT_GET_BO(tf), pos);
pos += sizeof(guint16);
} else {
/* Compact event */
+ event->event_size = 0xFFFF;
}
+
+ if (a_event_debug)
+ print_debug_event_header(event, pos_aligned, pos);
+
/* Align the head */
if(!tf->compact)
- pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
+ pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment);
event->data = pos;
* EIO : can not read from the file
****************************************************************************/
-static gint map_block(LttTracefile * tf, guint block_num)
+gint map_block(LttTracefile * tf, guint block_num)
{
int page_size = getpagesize();
struct ltt_block_start_header *header;
g_assert(0);
goto map_error;
}
- g_assert( ( (guint)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned.
+ g_assert( ( (gulong)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned.
tf->buffer.index = block_num;
}
+static void print_debug_event_data(LttEvent *ev)
+{
+ unsigned int offset = 0;
+ int i, j;
+
+ if (!max(ev->event_size, ev->data_size))
+ return;
+
+ g_printf("Event data (tracefile %s offset %llx):\n",
+ g_quark_to_string(ev->tracefile->long_name),
+ ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size)
+ + (long)ev->data - (long)ev->tracefile->buffer.head);
+
+ while (offset < max(ev->event_size, ev->data_size)) {
+ g_printf("%8lx", (long)ev->data + offset
+ - (long)ev->tracefile->buffer.head);
+ g_printf(" ");
+
+ for (i = 0; i < 4 ; i++) {
+ for (j = 0; j < 4; j++) {
+ if (offset + ((i * 4) + j) < max(ev->event_size, ev->data_size))
+ g_printf("%02hhX", ((char*)ev->data)[offset + ((i * 4) + j)]);
+ else
+ g_printf(" ");
+ g_printf(" ");
+ }
+ if (i < 4)
+ g_printf(" ");
+ }
+
+ g_printf(" ");
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (offset + ((i * 4) + j) < max(ev->event_size, ev->data_size)) {
+ if (isprint(((char*)ev->data)[offset + ((i * 4) + j)]))
+ g_printf("%c", ((char*)ev->data)[offset + ((i * 4) + j)]);
+ else
+ g_printf(".");
+ } else
+ g_printf(" ");
+ }
+ }
+ offset+=16;
+ g_printf("\n");
+ }
+}
+
/* It will update the fields offsets too */
void ltt_update_event_size(LttTracefile *tf)
{
switch((enum marker_id)tf->event.event_id) {
case MARKER_ID_SET_MARKER_ID:
size = strlen((char*)tf->event.data) + 1;
- //g_debug("marker %s id set", (char*)tf->event.data);
- size += ltt_align(size, sizeof(guint16), tf->has_alignment);
+ g_debug("marker %s id set", (char*)tf->event.data);
+ size += ltt_align(size, sizeof(guint16), tf->alignment);
size += sizeof(guint16);
+ size += sizeof(guint8);
+ size += sizeof(guint8);
+ size += sizeof(guint8);
+ size += sizeof(guint8);
+ size += sizeof(guint8);
break;
case MARKER_ID_SET_MARKER_FORMAT:
- //g_debug("marker %s format set", (char*)tf->event.data);
+ g_debug("marker %s format set", (char*)tf->event.data);
size = strlen((char*)tf->event.data) + 1;
- size += strlen((char*)tf->event.data) + 1;
+ size += strlen((char*)tf->event.data + size) + 1;
break;
case MARKER_ID_HEARTBEAT_32:
- //g_debug("Update Event heartbeat 32 bits");
- size = ltt_align(size, sizeof(guint32), tf->has_alignment);
- size += sizeof(guint32);
+ g_debug("Update Event heartbeat 32 bits");
break;
case MARKER_ID_HEARTBEAT_64:
- //g_debug("Update Event heartbeat 64 bits");
+ g_debug("Update Event heartbeat 64 bits");
tscdata = (char*)(tf->event.data);
tf->event.tsc = ltt_get_uint64(LTT_GET_BO(tf), tscdata);
tf->buffer.tsc = tf->event.tsc;
tf->event.event_time = ltt_interpolate_time(tf, &tf->event);
- size = ltt_align(size, sizeof(guint64), tf->has_alignment);
+ size = ltt_align(size, sizeof(guint64), tf->alignment);
size += sizeof(guint64);
break;
- default:
- info = marker_get_info_from_id(tf->trace, tf->event.event_id);
- g_assert(info != NULL);
- if (info->size) {
- size = info->size;
- } else {
- /* Must compute the event size dynamically TODO */
+ }
- }
+ info = marker_get_info_from_id(tf->trace, tf->event.event_id);
+
+ if (tf->event.event_id >= MARKER_CORE_IDS)
+ g_assert(info != NULL);
+
+ /* Do not update field offsets of core markers when initially reading the
+ * facility tracefile when the infos about these markers do not exist yet.
+ */
+ if (likely(info && info->fields)) {
+ if (info->size != -1)
+ size = info->size;
+ else
+ size = marker_update_fields_offsets(marker_get_info_from_id(tf->trace,
+ tf->event.event_id), tf->event.data);
}
tf->event.data_size = size;
/* Event size too big to fit in the event size field */
tf->event.event_size = tf->event.data_size;
}
+
+ if (a_event_debug)
+ print_debug_event_data(&tf->event);
+
+ /* Having a marker load or marker format event out of the facilities
+ * tracefiles is a serious bug. */
+ switch((enum marker_id)tf->event.event_id) {
+ case MARKER_ID_SET_MARKER_ID:
+ case MARKER_ID_SET_MARKER_FORMAT:
+ if (tf->name != g_quark_from_string("/control/facilities"))
+ g_error("Trace inconsistency : metadata event found in data "
+ "tracefile %s", g_quark_to_string(tf->long_name));
+ }
+
if (tf->event.data_size != tf->event.event_size) {
- g_error("Kernel/LTTV event size differs for event %s.%s: kernel %u, LTTV %u",
- g_quark_to_string(f->name), g_quark_to_string(event_type->name),
- tf->event.event_size, tf->event.data_size);
+ struct marker_info *info = marker_get_info_from_id(tf->trace,
+ tf->event.event_id);
+ g_error("Kernel/LTTV event size differs for event %s: kernel %u, LTTV %u",
+ g_quark_to_string(info->name),
+ tf->event.event_size, tf->event.data_size);
exit(-1);
}
* ERANGE if we are at the end of the buffer.
* ENOPROTOOPT if an error occured when getting the current event size.
*/
-static int ltt_seek_next_event(LttTracefile *tf)
+int ltt_seek_next_event(LttTracefile *tf)
{
int ret = 0;
void *pos;
* returns : The size on which it must be aligned.
*
****************************************************************************/
+#if 0
off_t get_alignment(LttField *field)
{
LttType *type = &field->field_type;
}
}
+#endif //0
+
/*****************************************************************************
*Function name
* field_compute_static_size : Determine the size of fields known by their
* field : field
*
****************************************************************************/
-
+#if 0
void field_compute_static_size(LttFacility *fac, LttField *field)
{
LttType *type = &field->field_type;
}
}
-
+#endif //0
/*****************************************************************************
* 0 otherwise.
****************************************************************************/
-
+#if 0
gint precompute_fields_offsets(LttFacility *fac, LttField *field, off_t *offset, gint is_compact)
{
LttType *type = &field->field_type;
}
+#endif //0
+#if 0
/*****************************************************************************
*Function name
* precompute_offsets : set the precomputable offset of an event type
if(ret) break;
}
}
-
+#endif //0
// this function checks for equality of field types. Therefore, it does not use
// per se offsets. For instance, an aligned version of a structure is
// compatible with an unaligned version of the same structure.
+#if 0
gint check_fields_compatibility(LttEventType *event_type1,
LttEventType *event_type2,
LttField *field1, LttField *field2)
end:
return different;
}
-
+#endif //0
#if 0
gint check_fields_compatibility(LttEventType *event_type1,
LttTracefile *ltt_tracefile_new()
{
- return g_new(LttTracefile, 1);
+ LttTracefile *tf;
+ tf = g_new(LttTracefile, 1);
+ tf->event.tracefile = tf;
+ return tf;
}
void ltt_tracefile_destroy(LttTracefile *tf)
/* Before library loading... */
-static void __attribute__((constructor)) init(void)
+void init(void)
{
LTT_FACILITY_NAME_HEARTBEAT = g_quark_from_string("heartbeat");
LTT_EVENT_NAME_HEARTBEAT = g_quark_from_string("heartbeat");
LTT_TRACEFILE_NAME_FACILITIES = g_quark_from_string("/control/facilities");
}
-