*
* Complete rewrite from the original version made by XangXiu Yang.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License Version 2.1 as published by the Free Software Foundation.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <glib.h>
#include <malloc.h>
#include <sys/mman.h>
+#include <string.h>
// For realpath
#include <limits.h>
#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/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
#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 precompute_offsets(LttTracefile *tf, LttEventType *event);
-
-#if 0
-/* Functions to parse system.xml file (using glib xml parser) */
-static void parser_start_element (GMarkupParseContext __UNUSED__ *context,
- const gchar *element_name,
- const gchar **attribute_names,
- const gchar **attribute_values,
- gpointer user_data,
- GError **error)
-{
- int i=0;
- LttSystemDescription* des = (LttSystemDescription* )user_data;
- if(strcmp("system", element_name)){
- *error = g_error_new(G_MARKUP_ERROR,
- G_LOG_LEVEL_WARNING,
- "This is not system.xml file");
- return;
- }
-
- while(attribute_names[i]){
- if(strcmp("node_name", attribute_names[i])==0){
- des->node_name = g_strdup(attribute_values[i]);
- }else if(strcmp("domainname", attribute_names[i])==0){
- des->domain_name = g_strdup(attribute_values[i]);
- }else if(strcmp("cpu", attribute_names[i])==0){
- des->nb_cpu = atoi(attribute_values[i]);
- }else if(strcmp("arch_size", attribute_names[i])==0){
- if(strcmp(attribute_values[i],"LP32") == 0) des->size = LTT_LP32;
- else if(strcmp(attribute_values[i],"ILP32") == 0) des->size = LTT_ILP32;
- else if(strcmp(attribute_values[i],"LP64") == 0) des->size = LTT_LP64;
- else if(strcmp(attribute_values[i],"ILP64") == 0) des->size = LTT_ILP64;
- else if(strcmp(attribute_values[i],"UNKNOWN") == 0) des->size = LTT_UNKNOWN;
- }else if(strcmp("endian", attribute_names[i])==0){
- if(strcmp(attribute_values[i],"LITTLE_ENDIAN") == 0)
- des->endian = LTT_LITTLE_ENDIAN;
- else if(strcmp(attribute_values[i],"BIG_ENDIAN") == 0)
- des->endian = LTT_BIG_ENDIAN;
- }else if(strcmp("kernel_name", attribute_names[i])==0){
- des->kernel_name = g_strdup(attribute_values[i]);
- }else if(strcmp("kernel_release", attribute_names[i])==0){
- des->kernel_release = g_strdup(attribute_values[i]);
- }else if(strcmp("kernel_version", attribute_names[i])==0){
- des->kernel_version = g_strdup(attribute_values[i]);
- }else if(strcmp("machine", attribute_names[i])==0){
- des->machine = g_strdup(attribute_values[i]);
- }else if(strcmp("processor", attribute_names[i])==0){
- des->processor = g_strdup(attribute_values[i]);
- }else if(strcmp("hardware_platform", attribute_names[i])==0){
- des->hardware_platform = g_strdup(attribute_values[i]);
- }else if(strcmp("operating_system", attribute_names[i])==0){
- des->operating_system = g_strdup(attribute_values[i]);
- }else if(strcmp("ltt_major_version", attribute_names[i])==0){
- des->ltt_major_version = atoi(attribute_values[i]);
- }else if(strcmp("ltt_minor_version", attribute_names[i])==0){
- des->ltt_minor_version = atoi(attribute_values[i]);
- }else if(strcmp("ltt_block_size", attribute_names[i])==0){
- des->ltt_block_size = atoi(attribute_values[i]);
- }else{
- *error = g_error_new(G_MARKUP_ERROR,
- G_LOG_LEVEL_WARNING,
- "Not a valid attribute");
- return;
- }
- i++;
- }
-}
-
-static void parser_characters (GMarkupParseContext __UNUSED__ *context,
- const gchar *text,
- gsize __UNUSED__ text_len,
- gpointer user_data,
- GError __UNUSED__ **error)
-{
- LttSystemDescription* des = (LttSystemDescription* )user_data;
- des->description = g_strdup(text);
-}
-#endif //0
-
-
-LttFacility *ltt_trace_get_facility_by_num(LttTrace *t,
- guint num)
-{
- g_assert(num < t->facilities_by_num->len);
-
- return &g_array_index(t->facilities_by_num, LttFacility, num);
+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 void ltt_update_event_size(LttTracefile *tf);
-}
+/* Enable event debugging */
+static int a_event_debug = 0;
-guint ltt_trace_get_num_cpu(LttTrace *t)
+void ltt_event_debug(int state)
{
- return t->num_cpu;
+ a_event_debug = state;
}
-
/* trace can be NULL
*
* Return value : 0 success, 1 bad tracefile
*/
-int parse_trace_header(void *header, LttTracefile *tf, LttTrace *t)
+static int parse_trace_header(void *header, LttTracefile *tf, LttTrace *t)
{
guint32 *magic_number = (guint32*)header;
struct ltt_trace_header_any *any = (struct ltt_trace_header_any *)header;
/* 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->has_tsc = any->has_tsc;
+ // 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:
+ case 0:
{
+ 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_3);
- g_warning("Unsupported trace version : %hhu.%hhu",
- any->major_version, any->minor_version);
- return 1;
- }
- break;
- case 6:
- {
- struct ltt_trace_header_0_5 *vheader =
- (struct ltt_trace_header_0_5 *)header;
- tf->buffer_header_size =
- sizeof(struct ltt_block_start_header)
- + sizeof(struct ltt_trace_header_0_5);
+ + 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);
+ 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),
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);
* : 0 for success, -1 otherwise.
****************************************************************************/
-gint ltt_tracefile_open(LttTrace *t, gchar * fileName, LttTracefile *tf)
+static gint ltt_tracefile_open(LttTrace *t, gchar * fileName, LttTracefile *tf)
{
struct stat lTDFStat; /* Trace data file status */
struct ltt_block_start_header *header;
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;
return -1;
}
-LttTrace *ltt_tracefile_get_trace(LttTracefile *tf)
-{
- return tf->trace;
-}
-
#if 0
/*****************************************************************************
*Open control and per cpu tracefiles
* t : tracefile which will be closed
****************************************************************************/
-void ltt_tracefile_close(LttTracefile *t)
+static void ltt_tracefile_close(LttTracefile *t)
{
int page_size = getpagesize();
* The left side is the name, the right side is the number.
*/
-int get_tracefile_name_number(const gchar *raw_name,
+static int get_tracefile_name_number(gchar *raw_name,
GQuark *name,
- guint *num)
+ guint *num,
+ gulong *tid,
+ gulong *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;
for(i=raw_name_len-1;i>=0;i--) {
if(raw_name[i] == '_') break;
}
- if(i==0) /* Either not found or name length is 0 */
- return -1;
- underscore_pos = i;
+ if(i==-1) { /* Either not found or name length is 0 */
+ /* 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);
+ 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';
+ 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;
+ }
- *name = g_quark_from_string(char_name);
- *num = cpu_num;
return 0;
}
}
-void ltt_tracefile_group_destroy(gpointer data)
+static void ltt_tracefile_group_destroy(gpointer data)
{
GArray *group = (GArray *)data;
int i;
g_array_free(group, TRUE);
}
-gboolean ltt_tracefile_group_has_cpu_online(gpointer data)
+static gboolean ltt_tracefile_group_has_cpu_online(gpointer data)
{
GArray *group = (GArray *)data;
int i;
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)
+static 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);
-
- if(strcmp(rel_path, "/eventdefs") == 0) continue;
+ 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;
+ gulong tid, pgid;
+ guint64 creation;
GArray *group;
-
- if(get_tracefile_name_number(rel_path, &name, &num))
+ num = 0;
+ tid = pgid = 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;
+ 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;
-
- }
- }
-
- closedir(dir);
-
- return 0;
-}
-
-/* ltt_get_facility_description
- *
- * Opens the file corresponding to the requested facility (identified by fac_id
- * and checksum).
- *
- * The name searched is : %trace root%/eventdefs/facname_checksum.xml
- *
- * Returns 0 on success, or 1 on failure.
- */
-
-static int ltt_get_facility_description(LttFacility *f,
- LttTrace *t,
- LttTracefile *fac_tf)
-{
- char desc_file_name[PATH_MAX];
- const gchar *text;
- guint textlen;
- gint err;
-
- text = g_quark_to_string(t->pathname);
- textlen = strlen(text);
-
- if(textlen >= PATH_MAX) goto name_error;
- strcpy(desc_file_name, text);
-
- text = "/eventdefs/";
- textlen+=strlen(text);
- if(textlen >= PATH_MAX) goto name_error;
- strcat(desc_file_name, text);
-
- text = g_quark_to_string(f->name);
- textlen+=strlen(text);
- if(textlen >= PATH_MAX) goto name_error;
- strcat(desc_file_name, text);
-#if 0
- text = "_";
- textlen+=strlen(text);
- if(textlen >= PATH_MAX) goto name_error;
- strcat(desc_file_name, text);
-
- err = snprintf(desc_file_name+textlen, PATH_MAX-textlen-1,
- "%u", f->checksum);
- if(err < 0) goto name_error;
-
- textlen=strlen(desc_file_name);
+ g_array_index (group, LttTracefile, num).event.tracefile =
+ &g_array_index (group, LttTracefile, num);
+ }
+ }
-#endif //0
- text = ".xml";
- textlen+=strlen(text);
- if(textlen >= PATH_MAX) goto name_error;
- strcat(desc_file_name, text);
-
- err = ltt_facility_open(f, t, desc_file_name);
- if(err) goto facility_error;
+ closedir(dir);
return 0;
-
-facility_error:
-name_error:
- return 1;
-}
-
-static void ltt_fac_ids_destroy(gpointer data)
-{
- GArray *fac_ids = (GArray *)data;
-
- g_array_free(fac_ids, TRUE);
}
static 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;
+ 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);
- fac_load_data =
- (struct LttFacilityLoad *)
- (tf->event.data + strlen(fac_name) + 1);
- 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(tf, 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. */
- 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);
- fac_state_dump_load_data =
- (struct LttStateDumpFacilityLoad *)
- (tf->event.data + strlen(fac_name) + 1);
- 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(tf, 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);
-
+ 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_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;
}
- 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;
}
-
+
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:
}
-GQuark ltt_trace_name(const LttTrace *t)
-{
- return t->pathname;
-}
-
-
/******************************************************************************
* When we copy a trace, we want all the opening actions to happen again :
* the trace will be reopened and totally independant from the original.
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
- ****************************************************************************/
-
-LttFacility *ltt_trace_facility_by_id(LttTrace *t, guint8 id)
-{
- g_assert(id < t->facilities_by_num->len);
- return &g_array_index(t->facilities_by_num, LttFacility, id);
-}
-
-/* ltt_trace_facility_get_by_name
- *
- * Returns the GArray of facility indexes. All the fac_ids that matches the
- * requested facility name.
- *
- * If name is not found, returns NULL.
- */
-GArray *ltt_trace_facility_get_by_name(LttTrace *t, GQuark name)
-{
- return g_datalist_id_get_data(&t->facilities_by_name, name);
-}
-
-/*****************************************************************************
- * Functions to discover all the event types in the trace
- ****************************************************************************/
-
-#if 0
-unsigned ltt_trace_eventtype_number(LttTrace *t)
-{
- unsigned int i;
- unsigned count = 0;
- unsigned int num = t->facility_number;
- LttFacility * f;
-
- for(i=0;i<num;i++){
- f = (LttFacility*)g_ptr_array_index(t->facilities, i);
- count += f->event_number;
- }
- return count;
-}
-#endif //0
-
-#if 0
-//use an iteration on all the trace facilities, and inside iteration on all the
-//event types in each facilities instead.
-LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId)
-{
- LttEventType *event_type;
-
- LttFacility * f;
- f = ltt_trace_facility_by_id(t,evId);
-
- if(unlikely(!f)) event_type = NULL;
- else event_type = f->events[evId - f->base_id];
-
- return event_type;
-}
-#endif //0
-
-#if 0
-/*****************************************************************************
- * ltt_trace_find_tracefile
- *
- * Find a tracefile by name and index in the group.
- *
- * Returns a pointer to the tracefiles, else NULL.
- ****************************************************************************/
-
-LttTracefile *ltt_trace_find_tracefile(LttTrace *t, const gchar *name)
-{
-}
-#endif //0
-
/*****************************************************************************
* 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;
}
}
+/* return the start and end time of a trace */
+
void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end)
{
LttTime min_start = ltt_time_infinite;
}
-/*****************************************************************************
- *Get the name of a tracefile
- ****************************************************************************/
-
-GQuark ltt_tracefile_name(const LttTracefile *tf)
-{
- return tf->name;
-}
-
-GQuark ltt_tracefile_long_name(const LttTracefile *tf)
-{
- return tf->long_name;
-}
-
-
-
-guint ltt_tracefile_num(LttTracefile *tf)
-{
- return tf->cpu_num;
-}
-
-/*****************************************************************************
- * Get the number of blocks in the tracefile
- ****************************************************************************/
-
-guint ltt_tracefile_block_number(LttTracefile *tf)
-{
- return tf->num_blocks;
-}
-
-
/* Seek to the first event in a tracefile that has a time equal or greater than
* the time passed in parameter.
*
}
-int ltt_tracefile_seek_position(LttTracefile *tf, const LttEventPosition *ep) {
-
+int ltt_tracefile_seek_position(LttTracefile *tf, const LttEventPosition *ep)
+{
int err;
if(ep->tracefile != tf) {
tf->event.offset = ep->offset;
+ /* 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;
err = ltt_tracefile_read_op(tf);
return 1;
}
-/* Calculate the real event time based on the buffer boundaries */
-LttTime ltt_interpolate_time(LttTracefile *tf, LttEvent *event)
+LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc)
{
LttTime time;
-
- g_assert(tf->trace->has_tsc);
-
-// time = ltt_time_from_uint64(
-// cycles_2_ns(tf, (guint64)(tf->buffer.tsc - tf->buffer.begin.cycle_count)));
- time = ltt_time_from_uint64(
- (double)(tf->buffer.tsc - tf->trace->start_tsc) * 1000000.0
- / (double)tf->trace->start_freq);
- //time = ltt_time_add(tf->buffer.begin.timestamp, time);
- time = ltt_time_add(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);
+}
+
/* Get the current event of the tracefile : valid until the next read */
LttEvent *ltt_tracefile_get_event(LttTracefile *tf)
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_tsc) {
- if(tf->trace->has_heartbeat) {
- event->time.timestamp = ltt_get_uint32(LTT_GET_BO(tf),
- pos);
+ 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->time.timestamp < (0xFFFFFFFFULL&tf->buffer.tsc)) {
+ if(event->timestamp < (0xFFFFFFFFULL&tf->buffer.tsc)) {
tf->buffer.tsc = ((tf->buffer.tsc&0xFFFFFFFF00000000ULL)
+ 0x100000000ULL)
- | (guint64)event->time.timestamp;
+ | (guint64)event->timestamp;
event->tsc = tf->buffer.tsc;
} else {
/* no overflow */
tf->buffer.tsc = (tf->buffer.tsc&0xFFFFFFFF00000000ULL)
- | (guint64)event->time.timestamp;
+ | (guint64)event->timestamp;
event->tsc = tf->buffer.tsc;
+ event->compact_data = 0;
}
- pos += sizeof(guint32);
} else {
- event->tsc = ltt_get_uint64(LTT_GET_BO(tf), pos);
- tf->buffer.tsc = event->tsc;
- pos += sizeof(guint64);
+ /* 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);
}
-
- event->event_time = ltt_interpolate_time(tf, event);
- } else {
- event->time.delta.tv_sec = 0;
- event->time.delta.tv_nsec = ltt_get_uint32(LTT_GET_BO(tf),
- pos) * NSEC_PER_USEC;
- tf->buffer.tsc = 0;
- event->tsc = tf->buffer.tsc;
-
- event->event_time = ltt_time_add(tf->buffer.begin.timestamp,
- event->time.delta);
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->facility_id = *(guint8*)pos;
- pos += sizeof(guint8);
+ if(!tf->compact) {
+ event->event_id = ltt_get_uint16(LTT_GET_BO(tf), pos);
+ pos += sizeof(guint16);
- event->event_id = *(guint8*)pos;
- pos += sizeof(guint8);
+ event->event_size = ltt_get_uint16(LTT_GET_BO(tf), pos);
+ pos += sizeof(guint16);
+ } else {
+ /* Compact event */
+ event->event_size = 0xFFFF;
+ }
- 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);
+ 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;
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;
&header->begin.cycle_count);
tf->buffer.begin.freq = ltt_get_uint64(LTT_GET_BO(tf),
&header->begin.freq);
- tf->buffer.begin.timestamp = ltt_time_add(
+ 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);
+#if 0
+ 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
tf->buffer.end.timestamp = ltt_time_add(
&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;
+
tf->buffer.lost_size = ltt_get_uint32(LTT_GET_BO(tf),
&header->lost_size);
- tf->buffer.end.timestamp = ltt_time_add(
+ tf->buffer.end.timestamp = ltt_interpolate_time_from_tsc(tf,
+ tf->buffer.end.cycle_count);
+#if 0
+ ltt_time_add(
ltt_time_from_uint64(
(double)(tf->buffer.end.cycle_count
- tf->trace->start_tsc) * 1000000.0
/ (double)tf->trace->start_freq),
tf->trace->start_time_from_tsc);
-
+#endif //0
tf->buffer.tsc = tf->buffer.begin.cycle_count;
tf->event.tsc = tf->buffer.tsc;
tf->buffer.freq = tf->buffer.begin.freq;
}
-/* It will update the fields offsets too */
-void ltt_update_event_size(LttTracefile *tf)
+static void print_debug_event_data(LttEvent *ev)
{
- off_t size = 0;
+ unsigned int offset = 0;
+ int i, j;
- /* 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 += 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;
- //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;
+ 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(" ");
}
- } else {
- if(!f->exists) {
- g_error("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;
+
+ 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");
+ }
+}
- LttEventType *event_type =
- ltt_facility_eventtype_get(f, tf->event.event_id);
+/* 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;
+ }
- if(!event_type) {
- g_error("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, event_type, &size, tf->event.data);
+ info = marker_get_info_from_id(tf->trace, tf->event.event_id);
- //g_debug("Event root field : f.e %hhu.%hhu size %zd",
- // tf->event.facility_id,
- // tf->event.event_id, size);
+ 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;
/* Check consistency between kernel and LTTV structure sizes */
- 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;
+ }
- return;
+ if (a_event_debug)
+ print_debug_event_data(&tf->event);
-facility_error:
-event_type_error:
-event_id_error:
- tf->event.data_size = 0;
+ /* 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) {
+ 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);
+ }
}
*Function name
* get_alignment : Get the alignment needed for a field.
*Input params
- * tf : tracefile
* field : field
*
* returns : The size on which it must be aligned.
*
****************************************************************************/
-off_t get_alignment(LttTracefile *tf, LttField *field)
+#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);
{
LttField *child = &g_array_index(type->fields, LttField, 0);
- return get_alignment(tf, child);
+ return get_alignment(child);
}
break;
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(tf, child));
+ localign = max(localign, get_alignment(child));
child = &g_array_index(type->fields, LttField, 1);
- localign = max(localign, get_alignment(tf, child));
+ localign = max(localign, get_alignment(child));
return localign;
}
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);
- localign = max(localign, get_alignment(tf, child));
+ localign = max(localign, get_alignment(child));
}
return localign;
}
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
*
****************************************************************************/
-
-void field_compute_static_size(LttTracefile *tf, LttField *field)
+#if 0
+void field_compute_static_size(LttFacility *fac, LttField *field)
{
LttType *type = &field->field_type;
g_assert(type->fields->len == 1);
{
LttField *child = &g_array_index(type->fields, LttField, 0);
- field_compute_static_size(tf, child);
+ field_compute_static_size(fac, child);
if(child->field_size != 0) {
field->field_size = type->size * child->field_size;
{
off_t local_offset = 0;
LttField *child = &g_array_index(type->fields, LttField, 1);
- field_compute_static_size(tf, child);
+ field_compute_static_size(fac, child);
field->field_size = 0;
type->size = 0;
if(child->field_size != 0) {
guint i;
for(i=0;i<type->fields->len;i++) {
LttField *child = &g_array_index(type->fields, LttField, i);
- field_compute_static_size(tf, child);
+ field_compute_static_size(fac, child);
if(child->field_size != 0) {
- type->size += ltt_align(type->size, get_alignment(tf, child),
- tf->has_alignment);
+ type->size += ltt_align(type->size, get_alignment(child),
+ fac->alignment);
type->size += child->field_size;
} else {
/* As soon as we find a child with variable size, we have
}
}
-
+#endif //0
/*****************************************************************************
*Function name
* precompute_fields_offsets : set the precomputable offset of the fields
*Input params
- * tf : tracefile
+ * fac : facility
* field : the field
* offset : pointer to the current offset, must be incremented
*
* 0 otherwise.
****************************************************************************/
-
-gint precompute_fields_offsets(LttTracefile *tf, 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:
case LTT_OFF_T:
case LTT_FLOAT:
case LTT_ENUM:
+ g_assert(field->field_size != 0);
/* Align offset on type size */
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
field->fixed_root = FIELD_FIXED;
{
LttField *child = &g_array_index(type->fields, LttField, 0);
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
LttField *child;
guint ret;
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
field->fixed_root = FIELD_FIXED;
child = &g_array_index(type->fields, LttField, 0);
- ret = precompute_fields_offsets(tf, 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);
- *offset += ltt_align(*offset, get_alignment(tf, child),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(child),
+ fac->alignment);
field->array_offset = *offset;
- /* Set the offset position at position 0 */
- ret = precompute_fields_offsets(tf, child, offset);
+ /* Let the child be variable. */
+ //ret = precompute_fields_offsets(fac, child, offset);
/* Cannot precompute fields offsets of sequence members, and has
* variable length. */
guint i;
gint ret=0;
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
field->fixed_root = FIELD_FIXED;
for(i=0; i< type->fields->len; i++) {
child = &g_array_index(type->fields, LttField, i);
- ret = precompute_fields_offsets(tf, child, offset);
+ ret = precompute_fields_offsets(fac, child, offset, is_compact);
if(ret) break;
}
guint i;
gint ret=0;
- *offset += ltt_align(*offset, get_alignment(tf, field),
- tf->has_alignment);
+ *offset += ltt_align(*offset, get_alignment(field),
+ fac->alignment);
/* remember offset */
field->offset_root = *offset;
field->fixed_root = FIELD_FIXED;
for(i=0; i< type->fields->len; i++) {
*offset = field->offset_root;
child = &g_array_index(type->fields, LttField, i);
- ret = precompute_fields_offsets(tf, 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
* event : event type
*
****************************************************************************/
-void precompute_offsets(LttTracefile *tf, LttEventType *event)
+void precompute_offsets(LttFacility *fac, LttEventType *event)
{
guint i;
off_t offset = 0;
* arrays, struct and unions, which is not done by the parser */
for(i=0; i<event->fields->len; i++) {
LttField *field = &g_array_index(event->fields, LttField, i);
- field_compute_static_size(tf, field);
+ field_compute_static_size(fac, field);
}
/* 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(tf, 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;
+ }
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:
return t->start_time_from_tsc;
}
-LttTracefile *ltt_tracefile_new()
+static 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)
+static void ltt_tracefile_destroy(LttTracefile *tf)
{
g_free(tf);
}
-void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src)
+static void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src)
{
*dest = *src;
}
/* Before library loading... */
-static void __attribute__((constructor)) init(void)
+static __attribute__((constructor)) 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");
}
-