*
* 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
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->freq_scale = any->freq_scale;
}
return 1;
}
break;
- case 6:
+ case 7:
{
- struct ltt_trace_header_0_6 *vheader =
- (struct ltt_trace_header_0_6 *)header;
+ struct ltt_trace_header_0_7 *vheader =
+ (struct ltt_trace_header_0_7 *)header;
tf->buffer_header_size =
sizeof(struct ltt_block_start_header)
- + sizeof(struct ltt_trace_header_0_6);
+ + sizeof(struct ltt_trace_header_0_7);
if(t) {
t->start_freq = ltt_get_uint64(LTT_GET_BO(tf),
&vheader->start_freq);
* The left side is the name, the right side is the number.
*/
-int get_tracefile_name_number(const gchar *raw_name,
+int get_tracefile_name_number(gchar *raw_name,
GQuark *name,
- guint *num)
+ guint *num,
+ 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;
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;
-
- cpu_num = strtol(raw_name+underscore_pos+1, &endptr, 10);
+ 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';
- 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;
}
if(ret < 0) continue;
} else if(S_ISREG(stat_buf.st_mode)) {
GQuark name;
- guint num;
+ guint num, tid, pgid;
+ guint64 creation;
GArray *group;
-
- if(get_tracefile_name_number(rel_path, &name, &num))
+ num = 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");
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;
group = g_datalist_id_get_data(&trace->tracefiles, name);
if(group == NULL) {
const gchar *text;
guint textlen;
gint err;
+ 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);
- textlen+=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;
+ }
+
#if 0
text = "_";
textlen+=strlen(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);
+ }
+
text = ".xml";
textlen+=strlen(text);
if(textlen >= PATH_MAX) goto name_error;
-guint ltt_tracefile_num(LttTracefile *tf)
+guint ltt_tracefile_cpu(LttTracefile *tf)
{
return tf->cpu_num;
}
+guint ltt_tracefile_tid(LttTracefile *tf)
+{
+ return tf->tid;
+}
+
+guint ltt_tracefile_pgid(LttTracefile *tf)
+{
+ return tf->pgid;
+}
+
+guint64 ltt_tracefile_creation(LttTracefile *tf)
+{
+ return tf->creation;
+}
/*****************************************************************************
* Get the number of blocks in the tracefile
****************************************************************************/
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)
/* Align the head */
pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->has_alignment);
- if(tf->trace->has_tsc) {
- if(tf->trace->has_heartbeat) {
- event->time.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->time.timestamp < (0xFFFFFFFFULL&tf->buffer.tsc)) {
- tf->buffer.tsc = ((tf->buffer.tsc&0xFFFFFFFF00000000ULL)
- + 0x100000000ULL)
- | (guint64)event->time.timestamp;
- event->tsc = tf->buffer.tsc;
- } else {
- /* no overflow */
- tf->buffer.tsc = (tf->buffer.tsc&0xFFFFFFFF00000000ULL)
- | (guint64)event->time.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);
- } 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);
- }
-
+ 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);
&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;
}
} else {
if(!f->exists) {
- g_error("Unknown facility %hhu (0x%hhx) in tracefile %s",
+ g_warning("Unknown facility %hhu (0x%hhx) in tracefile %s",
tf->event.facility_id,
tf->event.facility_id,
g_quark_to_string(tf->name));
ltt_facility_eventtype_get(f, tf->event.event_id);
if(!event_type) {
- g_error("Unknown event id %hhu in facility %s in tracefile %s",
+ 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));
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);
return;
facility_error:
event_type_error:
event_id_error:
- tf->event.data_size = 0;
+ 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;
}
different = 1;
goto end;
}
+ if(type1->network != type2->network) {
+ different = 1;
+ goto end;
+ }
switch(type1->type_class) {
case LTT_INT_FIXED:
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