#include <glib.h>
#include <malloc.h>
#include <sys/mman.h>
+#include <string.h>
// For realpath
#include <limits.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/marker.h>
/* Facility names used in this file */
GQuark LTT_FACILITY_NAME_HEARTBEAT,
- LTT_EVENT_NAME_HEARTBEAT;
+ LTT_EVENT_NAME_HEARTBEAT,
+ LTT_EVENT_NAME_HEARTBEAT_FULL;
GQuark LTT_TRACEFILE_NAME_FACILITIES;
#ifndef g_open
/* 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->arch_type = ltt_get_uint32(LTT_GET_BO(tf),
t->ltt_major_version = any->major_version;
t->ltt_minor_version = any->minor_version;
t->flight_recorder = any->flight_recorder;
- t->has_heartbeat = any->has_heartbeat;
- t->freq_scale = any->freq_scale;
+ // 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);
+ + 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));
+ tf->tsc_mask_next_bit = tf->tsc_mask_next_bit << tf->tsc_lsb_truncate;
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),
t->start_time.tv_nsec *= 1000; /* microsec to nanosec */
t->start_time_from_tsc = ltt_time_from_uint64(
- (double)t->start_tsc * 1000000.0 / (double)t->start_freq);
+ (double)t->start_tsc
+ * (1000000000.0 / tf->trace->freq_scale)
+ / (double)t->start_freq);
}
}
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);
int get_tracefile_name_number(gchar *raw_name,
GQuark *name,
guint *num,
- guint *tid,
- guint *pgid,
- guint64 *creation)
+ guint *tid,
+ guint *pgid,
+ guint64 *creation)
{
guint raw_name_len = strlen(raw_name);
gchar char_name[PATH_MAX];
int underscore_pos;
long int cpu_num;
gchar *endptr;
- gchar *tmpptr;
+ gchar *tmpptr;
for(i=raw_name_len-1;i>=0;i--) {
if(raw_name[i] == '_') break;
}
if(i==-1) { /* Either not found or name length is 0 */
- /* This is a userspace tracefile */
- strncpy(char_name, raw_name, raw_name_len);
- *name = g_quark_from_string(char_name);
- *num = 0; /* unknown cpu */
- for(i=0;i<raw_name_len;i++) {
- if(raw_name[i] == '/') {
- break;
- }
- }
- i++;
- for(;i<raw_name_len;i++) {
- if(raw_name[i] == '/') {
- break;
- }
- }
- i++;
- for(;i<raw_name_len;i++) {
- if(raw_name[i] == '-') {
- break;
- }
- }
- if(i == raw_name_len) return -1;
- i++;
- tmpptr = &raw_name[i];
- for(;i<raw_name_len;i++) {
- if(raw_name[i] == '.') {
- raw_name[i] = ' ';
- break;
- }
- }
- *tid = strtoul(tmpptr, &endptr, 10);
- if(endptr == tmpptr)
- return -1; /* No digit */
- if(*tid == ULONG_MAX)
- return -1; /* underflow / overflow */
- i++;
- tmpptr = &raw_name[i];
- for(;i<raw_name_len;i++) {
- if(raw_name[i] == '.') {
- raw_name[i] = ' ';
- break;
- }
- }
- *pgid = strtoul(tmpptr, &endptr, 10);
- if(endptr == tmpptr)
- return -1; /* No digit */
- if(*pgid == ULONG_MAX)
- return -1; /* underflow / overflow */
- i++;
- tmpptr = &raw_name[i];
- *creation = strtoull(tmpptr, &endptr, 10);
- if(endptr == tmpptr)
- return -1; /* No digit */
- if(*creation == G_MAXUINT64)
- return -1; /* underflow / overflow */
- } else {
- underscore_pos = i;
-
- cpu_num = strtol(raw_name+underscore_pos+1, &endptr, 10);
-
- if(endptr == raw_name+underscore_pos+1)
- return -1; /* No digit */
- if(cpu_num == LONG_MIN || cpu_num == LONG_MAX)
- return -1; /* underflow / overflow */
-
- strncpy(char_name, raw_name, underscore_pos);
- char_name[underscore_pos] = '\0';
-
- *name = g_quark_from_string(char_name);
- *num = cpu_num;
- }
+ /* This is a userspace tracefile */
+ strncpy(char_name, raw_name, raw_name_len);
+ char_name[raw_name_len] = '\0';
+ *name = g_quark_from_string(char_name);
+ *num = 0; /* unknown cpu */
+ for(i=0;i<raw_name_len;i++) {
+ if(raw_name[i] == '/') {
+ break;
+ }
+ }
+ i++;
+ for(;i<raw_name_len;i++) {
+ if(raw_name[i] == '/') {
+ break;
+ }
+ }
+ i++;
+ for(;i<raw_name_len;i++) {
+ if(raw_name[i] == '-') {
+ break;
+ }
+ }
+ if(i == raw_name_len) return -1;
+ i++;
+ tmpptr = &raw_name[i];
+ for(;i<raw_name_len;i++) {
+ if(raw_name[i] == '.') {
+ raw_name[i] = ' ';
+ break;
+ }
+ }
+ *tid = strtoul(tmpptr, &endptr, 10);
+ if(endptr == tmpptr)
+ return -1; /* No digit */
+ if(*tid == ULONG_MAX)
+ return -1; /* underflow / overflow */
+ i++;
+ tmpptr = &raw_name[i];
+ for(;i<raw_name_len;i++) {
+ if(raw_name[i] == '.') {
+ raw_name[i] = ' ';
+ break;
+ }
+ }
+ *pgid = strtoul(tmpptr, &endptr, 10);
+ if(endptr == tmpptr)
+ return -1; /* No digit */
+ if(*pgid == ULONG_MAX)
+ return -1; /* underflow / overflow */
+ i++;
+ tmpptr = &raw_name[i];
+ *creation = strtoull(tmpptr, &endptr, 10);
+ if(endptr == tmpptr)
+ return -1; /* No digit */
+ if(*creation == G_MAXUINT64)
+ return -1; /* underflow / overflow */
+ } else {
+ underscore_pos = i;
+
+ cpu_num = strtol(raw_name+underscore_pos+1, &endptr, 10);
+
+ if(endptr == raw_name+underscore_pos+1)
+ return -1; /* No digit */
+ if(cpu_num == LONG_MIN || cpu_num == LONG_MAX)
+ return -1; /* underflow / overflow */
+
+ strncpy(char_name, raw_name, underscore_pos);
+ char_name[underscore_pos] = '\0';
+
+ *name = g_quark_from_string(char_name);
+ *num = cpu_num;
+ }
return 0;
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;
}
* relative path is the path relative to the trace root
* root path is the full path
*
- * A tracefile group is simply an array where all the per cpu tracefiles sits.
+ * 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;
- struct stat stat_buf;
- int ret;
+ DIR *dir = opendir(root_path);
+ struct dirent *entry;
+ struct stat stat_buf;
+ int ret;
- gchar path[PATH_MAX];
- int path_len;
- gchar *path_ptr;
+ gchar path[PATH_MAX];
+ int path_len;
+ gchar *path_ptr;
int rel_path_len;
gchar rel_path[PATH_MAX];
gchar *rel_path_ptr;
LttTracefile tmp_tf;
- if(dir == NULL) {
- perror(root_path);
- return ENOENT;
- }
+ if(dir == NULL) {
+ perror(root_path);
+ return ENOENT;
+ }
- strncpy(path, root_path, PATH_MAX-1);
- path_len = strlen(path);
- path[path_len] = '/';
- path_len++;
- path_ptr = path + path_len;
+ strncpy(path, root_path, PATH_MAX-1);
+ path_len = strlen(path);
+ path[path_len] = '/';
+ path_len++;
+ path_ptr = path + path_len;
strncpy(rel_path, relative_path, PATH_MAX-1);
rel_path_len = strlen(rel_path);
rel_path_len++;
rel_path_ptr = rel_path + rel_path_len;
- while((entry = readdir(dir)) != NULL) {
-
- if(entry->d_name[0] == '.') continue;
-
- strncpy(path_ptr, entry->d_name, PATH_MAX - path_len);
- strncpy(rel_path_ptr, entry->d_name, PATH_MAX - rel_path_len);
-
- ret = stat(path, &stat_buf);
- if(ret == -1) {
- perror(path);
- continue;
- }
-
- g_debug("Tracefile file or directory : %s\n", path);
-
+ while((entry = readdir(dir)) != NULL) {
+
+ if(entry->d_name[0] == '.') continue;
+
+ strncpy(path_ptr, entry->d_name, PATH_MAX - path_len);
+ strncpy(rel_path_ptr, entry->d_name, PATH_MAX - rel_path_len);
+
+ ret = stat(path, &stat_buf);
+ if(ret == -1) {
+ perror(path);
+ continue;
+ }
+
+ g_debug("Tracefile file or directory : %s\n", path);
+
if(strcmp(rel_path, "/eventdefs") == 0) continue;
- if(S_ISDIR(stat_buf.st_mode)) {
+ if(S_ISDIR(stat_buf.st_mode)) {
- g_debug("Entering subdirectory...\n");
- ret = open_tracefiles(trace, path, rel_path);
- if(ret < 0) continue;
- } else if(S_ISREG(stat_buf.st_mode)) {
- GQuark name;
+ g_debug("Entering subdirectory...\n");
+ ret = open_tracefiles(trace, path, rel_path);
+ if(ret < 0) continue;
+ } else if(S_ISREG(stat_buf.st_mode)) {
+ GQuark name;
guint num, tid, pgid;
- guint64 creation;
+ guint64 creation;
GArray *group;
num = tid = pgid = 0;
- creation = 0;
+ creation = 0;
if(get_tracefile_name_number(rel_path, &name, &num, &tid, &pgid, &creation))
continue; /* invalid name */
- g_debug("Opening file.\n");
+ g_debug("Opening file.\n");
if(ltt_tracefile_open(trace, path, &tmp_tf)) {
g_info("Error opening tracefile %s", path);
tmp_tf.cpu_online = 1;
tmp_tf.cpu_num = num;
tmp_tf.name = name;
- tmp_tf.tid = tid;
- tmp_tf.pgid = pgid;
- tmp_tf.creation = creation;
-
+ tmp_tf.tid = tid;
+ tmp_tf.pgid = pgid;
+ tmp_tf.creation = creation;
+ if(tmp_tf.name == g_quark_from_string("/compact")
+ || tmp_tf.name == g_quark_from_string("/flight-compact"))
+ tmp_tf.compact = 1;
+ else
+ tmp_tf.compact = 0;
group = g_datalist_id_get_data(&trace->tracefiles, name);
if(group == NULL) {
/* Elements are automatically cleared when the array is allocated.
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);
+ }
+ }
+
+ closedir(dir);
- }
- }
-
- closedir(dir);
-
- return 0;
+ return 0;
}
/* ltt_get_facility_description
*
* Returns 0 on success, or 1 on failure.
*/
-
+#if 0
static int ltt_get_facility_description(LttFacility *f,
LttTrace *t,
LttTracefile *fac_tf)
const gchar *text;
guint textlen;
gint err;
- gint arch_spec;
- gint fac_name_len;
+ gint arch_spec;
+ gint fac_name_len;
text = g_quark_to_string(t->pathname);
textlen = strlen(text);
strcat(desc_file_name, text);
text = g_quark_to_string(f->name);
- fac_name_len = strlen(text);
+ fac_name_len = strlen(text);
textlen+=fac_name_len;
if(textlen >= PATH_MAX) goto name_error;
strcat(desc_file_name, text);
- /* arch specific facilities are named like this : name_arch */
- if(fac_name_len+1 < sizeof("_arch"))
- arch_spec = 0;
- else {
- if(!strcmp(&text[fac_name_len+1-sizeof("_arch")], "_arch"))
- arch_spec = 1;
- else
- arch_spec = 0;
- }
+ /* arch specific facilities are named like this : name_arch */
+ if(fac_name_len+1 < sizeof("_arch"))
+ arch_spec = 0;
+ else {
+ if(!strcmp(&text[fac_name_len+1-sizeof("_arch")], "_arch"))
+ arch_spec = 1;
+ else
+ arch_spec = 0;
+ }
#if 0
text = "_";
textlen=strlen(desc_file_name);
#endif //0
-
- if(arch_spec) {
- switch(t->arch_type) {
- case LTT_ARCH_TYPE_I386:
- text = "_i386";
- break;
- case LTT_ARCH_TYPE_PPC:
- text = "_ppc";
- break;
- case LTT_ARCH_TYPE_SH:
- text = "_sh";
- break;
- case LTT_ARCH_TYPE_S390:
- text = "_s390";
- break;
- case LTT_ARCH_TYPE_MIPS:
- text = "_mips";
- break;
- case LTT_ARCH_TYPE_ARM:
- text = "_arm";
- break;
- case LTT_ARCH_TYPE_PPC64:
- text = "_ppc64";
- break;
- case LTT_ARCH_TYPE_X86_64:
- text = "_x86_64";
- break;
- default:
- g_error("Trace from unsupported architecture.");
- }
- textlen+=strlen(text);
- if(textlen >= PATH_MAX) goto name_error;
- strcat(desc_file_name, text);
- }
-
+
+ if(arch_spec) {
+ switch(t->arch_type) {
+ case LTT_ARCH_TYPE_I386:
+ text = "_i386";
+ break;
+ case LTT_ARCH_TYPE_PPC:
+ text = "_ppc";
+ break;
+ case LTT_ARCH_TYPE_SH:
+ text = "_sh";
+ break;
+ case LTT_ARCH_TYPE_S390:
+ text = "_s390";
+ break;
+ case LTT_ARCH_TYPE_MIPS:
+ text = "_mips";
+ break;
+ case LTT_ARCH_TYPE_ARM:
+ text = "_arm";
+ break;
+ case LTT_ARCH_TYPE_PPC64:
+ text = "_ppc64";
+ break;
+ case LTT_ARCH_TYPE_X86_64:
+ text = "_x86_64";
+ break;
+ case LTT_ARCH_TYPE_C2:
+ text = "_c2";
+ break;
+ case LTT_ARCH_TYPE_POWERPC:
+ text = "_powerpc";
+ break;
+ default:
+ g_error("Trace from unsupported architecture.");
+ }
+ textlen+=strlen(text);
+ if(textlen >= PATH_MAX) goto name_error;
+ strcat(desc_file_name, text);
+ }
+
text = ".xml";
textlen+=strlen(text);
if(textlen >= PATH_MAX) goto name_error;
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, sizeof(guint32), 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, sizeof(guint32), 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);
-
- break;
- case LTT_EVENT_HEARTBEAT:
+ 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");
GArray *group;
int i, ret;
struct ltt_block_start_header *header;
- DIR *dir;
- struct dirent *entry;
+ DIR *dir;
+ struct dirent *entry;
guint control_found = 0;
guint eventdefs_found = 0;
- struct stat stat_buf;
+ struct stat stat_buf;
gchar path[PATH_MAX];
t = g_new(LttTrace, 1);
g_datalist_init(&t->tracefiles);
/* Test to see if it looks like a trace */
- dir = opendir(abs_path);
- if(dir == NULL) {
- perror(abs_path);
- goto open_error;
- }
- while((entry = readdir(dir)) != NULL) {
+ dir = opendir(abs_path);
+ if(dir == NULL) {
+ perror(abs_path);
+ goto open_error;
+ }
+ while((entry = readdir(dir)) != NULL) {
strcpy(path, abs_path);
strcat(path, "/");
strcat(path, entry->d_name);
- ret = stat(path, &stat_buf);
- if(ret == -1) {
- perror(path);
- continue;
- }
- if(S_ISDIR(stat_buf.st_mode)) {
+ ret = stat(path, &stat_buf);
+ if(ret == -1) {
+ perror(path);
+ continue;
+ }
+ if(S_ISDIR(stat_buf.st_mode)) {
if(strcmp(entry->d_name, "control") == 0) {
control_found = 1;
}
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;
}
-
+
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;
tf->event.offset = ep->offset;
- /* Put back the event real tsc */
- tf->event.tsc = ep->tsc;
- tf->buffer.tsc = ep->tsc;
+ /* Put back the event real tsc */
+ tf->event.tsc = ep->tsc;
+ tf->buffer.tsc = ep->tsc;
err = ltt_tracefile_read_update_event(tf);
if(err) goto fail;
LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc)
{
LttTime time;
-
- if(tsc > tf->trace->start_tsc) {
- time = ltt_time_from_uint64(
- (double)(tsc - tf->trace->start_tsc)
- * (1000000000.0 / tf->trace->freq_scale)
- / (double)tf->trace->start_freq);
- time = ltt_time_add(tf->trace->start_time_from_tsc, time);
- } else {
- time = ltt_time_from_uint64(
- (double)(tf->trace->start_tsc - tsc)
- * (1000000000.0 / tf->trace->freq_scale)
- / (double)tf->trace->start_freq);
- time = ltt_time_sub(tf->trace->start_time_from_tsc, time);
- }
+
+ if(tsc > tf->trace->start_tsc) {
+ time = ltt_time_from_uint64(
+ (double)(tsc - tf->trace->start_tsc)
+ * (1000000000.0 / tf->trace->freq_scale)
+ / (double)tf->trace->start_freq);
+ time = ltt_time_add(tf->trace->start_time_from_tsc, time);
+ } else {
+ time = ltt_time_from_uint64(
+ (double)(tf->trace->start_tsc - tsc)
+ * (1000000000.0 / tf->trace->freq_scale)
+ / (double)tf->trace->start_freq);
+ time = ltt_time_sub(tf->trace->start_time_from_tsc, time);
+ }
return time;
}
/* Calculate the real event time based on the buffer boundaries */
LttTime ltt_interpolate_time(LttTracefile *tf, LttEvent *event)
{
- return ltt_interpolate_time_from_tsc(tf, tf->buffer.tsc);
+ return ltt_interpolate_time_from_tsc(tf, tf->buffer.tsc);
}
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;
/* Read event header */
- /* Align the head */
- pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
+ /* Align the head */
+ if(!tf->compact)
+ 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->alignment);
+ }
+ pos_aligned = pos;
- if(tf->trace->has_heartbeat) {
- event->timestamp = ltt_get_uint32(LTT_GET_BO(tf),
- pos);
- /* 32 bits -> 64 bits tsc */
- /* note : still works for seek and non seek cases. */
- if(event->timestamp < (0xFFFFFFFFULL&tf->buffer.tsc)) {
- tf->buffer.tsc = ((tf->buffer.tsc&0xFFFFFFFF00000000ULL)
- + 0x100000000ULL)
- | (guint64)event->timestamp;
- event->tsc = tf->buffer.tsc;
- } else {
- /* no overflow */
- tf->buffer.tsc = (tf->buffer.tsc&0xFFFFFFFF00000000ULL)
- | (guint64)event->timestamp;
- event->tsc = tf->buffer.tsc;
- }
- pos += sizeof(guint32);
- } else {
- event->tsc = ltt_get_uint64(LTT_GET_BO(tf), pos);
- tf->buffer.tsc = event->tsc;
- pos += sizeof(guint64);
- }
- event->event_time = ltt_interpolate_time(tf, event);
- event->facility_id = *(guint8*)pos;
- pos += sizeof(guint8);
+ if(tf->has_heartbeat) {
+ event->timestamp = ltt_get_uint32(LTT_GET_BO(tf),
+ pos);
+ if(!tf->compact) {
+ /* 32 bits -> 64 bits tsc */
+ /* note : still works for seek and non seek cases. */
+ if(event->timestamp < (0xFFFFFFFFULL&tf->buffer.tsc)) {
+ tf->buffer.tsc = ((tf->buffer.tsc&0xFFFFFFFF00000000ULL)
+ + 0x100000000ULL)
+ | (guint64)event->timestamp;
+ event->tsc = tf->buffer.tsc;
+ } else {
+ /* no overflow */
+ tf->buffer.tsc = (tf->buffer.tsc&0xFFFFFFFF00000000ULL)
+ | (guint64)event->timestamp;
+ event->tsc = tf->buffer.tsc;
+ event->compact_data = 0;
+ }
+ } else {
+ /* Compact header */
+ /* 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->compact_event_bits) - 1);
+ event->compact_data = event->timestamp >>
+ (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->compact_data = ltt_get_uint32(LTT_GET_BO(tf), &event->compact_data);
+ event->event_size = 0xFFFF;
+ //printf("Found compact event %d\n", event->event_id);
+ //printf("Compact data %d\n", event->compact_data);
+ event->timestamp = event->timestamp << tf->tsc_lsb_truncate;
+ event->timestamp = event->timestamp & tf->tsc_mask;
+ //printf("timestamp 0x%lX\n", event->timestamp);
+ //printf("mask 0x%llX\n", tf->tsc_mask);
+ //printf("mask_next 0x%llX\n", tf->tsc_mask_next_bit);
+ //printf("previous tsc 0x%llX\n", tf->buffer.tsc);
+ //printf("previous tsc&mask 0x%llX\n", tf->tsc_mask&tf->buffer.tsc);
+ //printf("previous tsc&(~mask) 0x%llX\n", tf->buffer.tsc&(~tf->tsc_mask));
+ if(event->timestamp < (tf->tsc_mask&tf->buffer.tsc)) {
+ //printf("wrap\n");
+ tf->buffer.tsc = ((tf->buffer.tsc&(~tf->tsc_mask))
+ + tf->tsc_mask_next_bit)
+ | (guint64)event->timestamp;
+ event->tsc = tf->buffer.tsc;
+ } else {
+ //printf("no wrap\n");
+ /* no overflow */
+ tf->buffer.tsc = (tf->buffer.tsc&(~tf->tsc_mask))
+ | (guint64)event->timestamp;
+ event->tsc = tf->buffer.tsc;
+ }
+ //printf("current tsc 0x%llX\n", tf->buffer.tsc);
+ }
+ pos += sizeof(guint32);
+ } else {
+ event->tsc = ltt_get_uint64(LTT_GET_BO(tf), pos);
+ tf->buffer.tsc = event->tsc;
+ event->compact_data = 0;
+ pos += sizeof(guint64);
+ }
+ event->event_time = ltt_interpolate_time(tf, event);
- event->event_id = *(guint8*)pos;
- pos += sizeof(guint8);
+ if(!tf->compact) {
+ event->event_id = *(guint16*)pos;
+ pos += sizeof(guint16);
- event->event_size = ltt_get_uint16(LTT_GET_BO(tf), pos);
- pos += sizeof(guint16);
-
- /* Align the head */
- pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
+ event->event_size = ltt_get_uint16(LTT_GET_BO(tf), pos);
+ pos += sizeof(guint16);
+ } else {
+ /* Compact event */
+ }
+
+ 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->alignment);
event->data = pos;
/* get the data size and update the event fields with the current
- * information */
+ * information. Also update the time if a heartbeat_full event is found. */
ltt_update_event_size(tf);
return 0;
* 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;
&header->begin.cycle_count);
tf->buffer.begin.freq = ltt_get_uint64(LTT_GET_BO(tf),
&header->begin.freq);
- if(tf->buffer.begin.freq == 0)
- tf->buffer.begin.freq = tf->trace->start_freq;
+ if(tf->buffer.begin.freq == 0)
+ tf->buffer.begin.freq = tf->trace->start_freq;
tf->buffer.begin.timestamp = ltt_interpolate_time_from_tsc(tf,
- tf->buffer.begin.cycle_count);
+ tf->buffer.begin.cycle_count);
#if 0
- ltt_time_add(
+ ltt_time_add(
ltt_time_from_uint64(
(double)(tf->buffer.begin.cycle_count
- tf->trace->start_tsc) * 1000000.0
/ (double)tf->trace->start_freq),
- tf->trace->start_time_from_tsc);
+ tf->trace->start_time_from_tsc);
#endif //0
#if 0
&header->end.cycle_count);
tf->buffer.end.freq = ltt_get_uint64(LTT_GET_BO(tf),
&header->end.freq);
- if(tf->buffer.end.freq == 0)
- tf->buffer.end.freq = tf->trace->start_freq;
-
+ if(tf->buffer.end.freq == 0)
+ tf->buffer.end.freq = tf->trace->start_freq;
+
tf->buffer.lost_size = ltt_get_uint32(LTT_GET_BO(tf),
&header->lost_size);
tf->buffer.end.timestamp = ltt_interpolate_time_from_tsc(tf,
- tf->buffer.end.cycle_count);
+ tf->buffer.end.cycle_count);
#if 0
- ltt_time_add(
+ ltt_time_add(
ltt_time_from_uint64(
(double)(tf->buffer.end.cycle_count
- tf->trace->start_tsc) * 1000000.0
}
+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)
{
off_t size = 0;
+ char *tscdata;
+ struct marker_info *info;
+
+ 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->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);
+ 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");
+ break;
+ case MARKER_ID_HEARTBEAT_64:
+ 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->alignment);
+ size += sizeof(guint64);
+ break;
+ }
- /* Specific handling of core events : necessary to read the facility control
- * tracefile. */
- LttFacility *f = ltt_trace_get_facility_by_num(tf->trace,
- tf->event.facility_id);
-
- if(likely(tf->event.facility_id == LTT_FACILITY_CORE)) {
- switch((enum ltt_core_events)tf->event.event_id) {
- case LTT_EVENT_FACILITY_LOAD:
- size = strlen((char*)tf->event.data) + 1;
- //g_debug("Update Event facility load of facility %s", (char*)tf->event.data);
- size += ltt_align(size, sizeof(guint32), tf->has_alignment);
- size += sizeof(struct LttFacilityLoad);
- break;
- case LTT_EVENT_FACILITY_UNLOAD:
- //g_debug("Update Event facility unload");
- size = sizeof(struct LttFacilityUnload);
- break;
- case LTT_EVENT_STATE_DUMP_FACILITY_LOAD:
- size = strlen((char*)tf->event.data) + 1;
- size += ltt_align(size, sizeof(guint32), tf->has_alignment);
- //g_debug("Update Event facility load state dump of facility %s",
- // (char*)tf->event.data);
- size += sizeof(struct LttStateDumpFacilityLoad);
- break;
- case LTT_EVENT_HEARTBEAT:
- //g_debug("Update Event heartbeat");
- size = sizeof(TimeHeartbeat);
- break;
- default:
- g_warning("Error in getting event size : tracefile %s, "
- "unknown event id %hhu in core facility.",
- g_quark_to_string(tf->name),
- tf->event.event_id);
- goto event_id_error;
+ 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);
+ }
- }
- } else {
- if(!f->exists) {
- g_warning("Unknown facility %hhu (0x%hhx) in tracefile %s",
- tf->event.facility_id,
- tf->event.facility_id,
- g_quark_to_string(tf->name));
- goto facility_error;
- }
+ tf->event.data_size = size;
+
+ /* Check consistency between kernel and LTTV structure sizes */
+ if(tf->event.event_size == 0xFFFF) {
+ /* Event size too big to fit in the event size field */
+ tf->event.event_size = tf->event.data_size;
+ }
- LttEventType *event_type =
- ltt_facility_eventtype_get(f, tf->event.event_id);
+ 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(!event_type) {
- g_warning("Unknown event id %hhu in facility %s in tracefile %s",
- tf->event.event_id,
- g_quark_to_string(f->name),
- g_quark_to_string(tf->name));
- goto event_type_error;
- }
-
- /* Compute the dynamic offsets */
- compute_offsets(tf, f, event_type, &size, tf->event.data);
+ if (tf->event.data_size != tf->event.event_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);
+ }
- //g_debug("Event root field : f.e %hhu.%hhu size %zd",
- // tf->event.facility_id,
- // tf->event.event_id, size);
+#if 0
+ LttEventType *event_type =
+ ltt_facility_eventtype_get(f, tf->event.event_id);
+
+ if(!event_type) {
+ g_warning("Unknown event id %hhu in facility %s in tracefile %s",
+ tf->event.event_id,
+ g_quark_to_string(f->name),
+ g_quark_to_string(tf->name));
+ goto event_type_error;
}
+ /* Compute the dynamic offsets */
+ compute_offsets(tf, f, event_type, &size, tf->event.data);
+
+ //g_debug("Event root field : f.e %hhu.%hhu size %zd",
+ // tf->event.facility_id,
+ // tf->event.event_id, size);
+
+no_offset:
tf->event.data_size = size;
/* Check consistency between kernel and LTTV structure sizes */
- if(tf->event.event_size == 0xFFFF) {
- /* Event size too big to fit in the event size field */
- tf->event.event_size = tf->event.data_size;
- }
- g_assert(tf->event.data_size == tf->event.event_size);
+ if(tf->event.event_size == 0xFFFF) {
+ /* Event size too big to fit in the event size field */
+ tf->event.event_size = tf->event.data_size;
+ }
+ 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);
+ exit(-1);
+ }
+ //g_assert(tf->event.data_size == tf->event.event_size);
return;
-facility_error:
event_type_error:
event_id_error:
- if(tf->event.event_size == 0xFFFF) {
- g_error("Cannot jump over an unknown event bigger than 0xFFFE bytes");
- }
- /* The facility is unknown : use the kernel information about this event
- * to jump over it. */
+ if(tf->event.event_size == 0xFFFF) {
+ g_error("Cannot jump over an unknown event bigger than 0xFFFE bytes");
+ }
+ /* The facility is unknown : use the kernel information about this event
+ * to jump over it. */
tf->event.data_size = tf->event.event_size;
+#endif //0
}
* 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;
case LTT_FLOAT:
case LTT_ENUM:
/* Align offset on type size */
+ g_assert(field->field_size != 0);
return field->field_size;
break;
case LTT_STRING:
- return 0;
+ return 1;
break;
case LTT_ARRAY:
g_assert(type->fields->len == 1);
case LTT_SEQUENCE:
g_assert(type->fields->len == 2);
{
- off_t localign = 0;
+ off_t localign = 1;
LttField *child = &g_array_index(type->fields, LttField, 0);
localign = max(localign, get_alignment(child));
case LTT_UNION:
{
guint i;
- off_t localign = 0;
+ off_t localign = 1;
for(i=0; i<type->fields->len; i++) {
LttField *child = &g_array_index(type->fields, LttField, i);
case LTT_NONE:
default:
g_error("get_alignment : unknown type");
+ return -1;
}
-
}
+#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.
****************************************************************************/
-
-gint precompute_fields_offsets(LttFacility *fac, LttField *field, off_t *offset)
+#if 0
+gint precompute_fields_offsets(LttFacility *fac, LttField *field, off_t *offset, gint is_compact)
{
LttType *type = &field->field_type;
+
+ if(unlikely(is_compact)) {
+ g_assert(field->field_size != 0);
+ /* FIXME THIS IS A HUUUUUGE hack :
+ * offset is between the compact_data field in struct LttEvent
+ * and the address of the field root in the memory map.
+ * ark. Both will stay at the same addresses while the event
+ * is readable, so it's ok.
+ */
+ field->offset_root = 0;
+ field->fixed_root = FIELD_FIXED;
+ return 0;
+ }
switch(type->type_class) {
case LTT_INT_FIXED:
field->fixed_root = FIELD_FIXED;
child = &g_array_index(type->fields, LttField, 0);
- ret = precompute_fields_offsets(fac, child, offset);
+ ret = precompute_fields_offsets(fac, child, offset, is_compact);
g_assert(ret == 0); /* Seq len cannot have variable len */
child = &g_array_index(type->fields, LttField, 1);
for(i=0; i< type->fields->len; i++) {
child = &g_array_index(type->fields, LttField, i);
- ret = precompute_fields_offsets(fac, child, offset);
+ ret = precompute_fields_offsets(fac, child, offset, is_compact);
if(ret) break;
}
for(i=0; i< type->fields->len; i++) {
*offset = field->offset_root;
child = &g_array_index(type->fields, LttField, i);
- ret = precompute_fields_offsets(fac, child, offset);
+ ret = precompute_fields_offsets(fac, child, offset, is_compact);
if(ret) break;
}
}
+#endif //0
+#if 0
/*****************************************************************************
*Function name
* precompute_offsets : set the precomputable offset of an event type
/* Precompute all known offsets */
for(i=0; i<event->fields->len; i++) {
LttField *field = &g_array_index(event->fields, LttField, i);
- ret = precompute_fields_offsets(fac, field, &offset);
+ if(event->has_compact_data && i == 0)
+ ret = precompute_fields_offsets(fac, field, &offset, 1);
+ else
+ ret = precompute_fields_offsets(fac, field, &offset, 0);
if(ret) break;
}
}
-
+#endif //0
size_t max_size;
switch(type->type_class) {
+ case LTT_INT_FIXED:
+ case LTT_UINT_FIXED:
+ case LTT_CHAR:
+ case LTT_UCHAR:
+ case LTT_SHORT:
+ case LTT_USHORT:
case LTT_INT:
case LTT_UINT:
case LTT_FLOAT:
max_size = max(max_size, field->child[i]->field_size);
}
if(final_child_status != FIELD_FIXED) {
- g_error("LTTV does not support variable size fields in unions.");
- /* This will stop the application. */
+ g_error("LTTV does not support variable size fields in unions.");
+ /* This will stop the application. */
*fixed_root = final_child_status;
*fixed_parent = final_child_status;
field->field_size = 0;
field->fixed_size = FIELD_FIXED;
}
break;
+ case LTT_NONE:
+ g_error("unexpected type NONE");
+ break;
}
}
// 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)
different = 1;
goto end;
}
- if(type1->network != type2->network) {
- different = 1;
- goto end;
- }
+ if(type1->network != type2->network) {
+ different = 1;
+ goto end;
+ }
switch(type1->type_class) {
case LTT_INT_FIXED:
break;
case LTT_NONE:
default:
- g_error("precompute_fields_offsets : unknown type");
+ g_error("check_fields_compatibility : unknown type");
}
end:
return different;
}
-
+#endif //0
#if 0
gint check_fields_compatibility(LttEventType *event_type1,
}
switch(type1->type_class) {
+ case LTT_INT_FIXED:
+ case LTT_UINT_FIXED:
+ case LTT_POINTER:
+ case LTT_CHAR:
+ case LTT_UCHAR:
+ case LTT_SHORT:
+ case LTT_USHORT:
case LTT_INT:
case LTT_UINT:
case LTT_FLOAT:
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_EVENT_NAME_HEARTBEAT_FULL = g_quark_from_string("heartbeat_full");
LTT_TRACEFILE_NAME_FACILITIES = g_quark_from_string("/control/facilities");
}
-