#define PREALLOCATED_EXECUTION_STACK 10
+/* Facilities Quarks */
+
+GQuark
+ LTT_FACILITY_KERNEL,
+ LTT_FACILITY_KERNEL_ARCH,
+ LTT_FACILITY_PROCESS,
+ LTT_FACILITY_FS;
+
+/* Events Quarks */
+
+GQuark
+ LTT_EVENT_SYSCALL_ENTRY,
+ LTT_EVENT_SYSCALL_EXIT,
+ LTT_EVENT_TRAP_ENTRY,
+ LTT_EVENT_TRAP_EXIT,
+ LTT_EVENT_IRQ_ENTRY,
+ LTT_EVENT_IRQ_EXIT,
+ LTT_EVENT_SOFT_IRQ_ENTRY,
+ LTT_EVENT_SOFT_IRQ_EXIT,
+ LTT_EVENT_SCHEDCHANGE,
+ LTT_EVENT_FORK,
+ LTT_EVENT_EXIT,
+ LTT_EVENT_FREE,
+ LTT_EVENT_EXEC;
+
+/* Fields Quarks */
+
+GQuark
+ LTT_FIELD_SYSCALL_ID,
+ LTT_FIELD_TRAP_ID,
+ LTT_FIELD_IRQ_ID,
+ LTT_FIELD_SOFT_IRQ_ID,
+ LTT_FIELD_OUT,
+ LTT_FIELD_IN,
+ LTT_FIELD_OUT_STATE,
+ LTT_FIELD_PARENT_PID,
+ LTT_FIELD_CHILD_PID,
+ LTT_FIELD_PID,
+ LTT_FIELD_FILENAME;
+
LttvExecutionMode
LTTV_STATE_MODE_UNKNOWN,
LTTV_STATE_USER_MODE,
LTTV_STATE_SYSCALL,
LTTV_STATE_TRAP,
- LTTV_STATE_IRQ;
+ LTTV_STATE_IRQ,
+ LTTV_STATE_SOFT_IRQ;
LttvExecutionSubmode
LTTV_STATE_SUBMODE_UNKNOWN,
LTTV_STATE_EXIT,
LTTV_STATE_ZOMBIE,
LTTV_STATE_WAIT,
- LTTV_STATE_RUN;
+ LTTV_STATE_RUN,
+ LTTV_STATE_DEAD;
static GQuark
LTTV_STATE_TRACEFILES,
LTTV_STATE_PROCESSES,
LTTV_STATE_PROCESS,
+ LTTV_STATE_RUNNING_PROCESS,
LTTV_STATE_EVENT,
LTTV_STATE_SAVED_STATES,
LTTV_STATE_SAVED_STATES_TIME,
LTTV_STATE_NAME_TABLES,
LTTV_STATE_TRACE_STATE_USE_COUNT;
-
static void create_max_time(LttvTraceState *tcs);
static void get_max_time(LttvTraceState *tcs);
if(likely(process_a->pid != process_b->pid)) ret = FALSE;
else if(likely(process_a->pid == 0 &&
- process_a->last_cpu != process_b->last_cpu)) ret = FALSE;
+ process_a->cpu != process_b->cpu)) ret = FALSE;
return ret;
}
static void
restore_init_state(LttvTraceState *self)
{
- guint i, nb_tracefile;
+ guint i, nb_cpus;
LttvTracefileState *tfcs;
+ /* Free the process tables */
if(self->processes != NULL) lttv_state_free_process_table(self->processes);
self->processes = g_hash_table_new(process_hash, process_equal);
self->nb_event = 0;
- nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) +
- ltt_trace_per_cpu_tracefile_number(self->parent.t);
+ /* Seek time to beginning */
+ // Mathieu : fix : don't seek traceset here : causes inconsistency in seek
+ // closest. It's the tracecontext job to seek the trace to the beginning
+ // anyway : the init state might be used at the middle of the trace as well...
+ //g_tree_destroy(self->parent.ts_context->pqueue);
+ //self->parent.ts_context->pqueue = g_tree_new(compare_tracefile);
+
+
+ //lttv_process_trace_seek_time(&self->parent, ltt_time_zero);
+
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+
+ /* Put the per cpu running_process to beginning state : process 0. */
+ for(i=0; i< nb_cpus; i++) {
+ self->running_process[i] = lttv_state_create_process(self, NULL, i, 0,
+ <t_time_zero);
+ self->running_process[i]->state->s = LTTV_STATE_RUN;
+ self->running_process[i]->cpu = i;
+ }
+
+#if 0
+ nb_tracefile = self->parent.tracefiles->len;
for(i = 0 ; i < nb_tracefile ; i++) {
- tfcs = LTTV_TRACEFILE_STATE(self->parent.tracefiles[i]);
+ tfcs =
+ LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
+ LttvTracefileContext*, i));
ltt_trace_time_span_get(self->parent.t, &tfcs->parent.timestamp, NULL);
- tfcs->saved_position = 0;
+// tfcs->saved_position = 0;
tfcs->process = lttv_state_create_process(tfcs, NULL,0);
tfcs->process->state->s = LTTV_STATE_RUN;
tfcs->process->last_cpu = tfcs->cpu_name;
- tfcs->process->last_cpu_index = ((LttvTracefileContext*)tfcs)->index;
+ tfcs->process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfcs)->tf);
}
+#endif //0
}
-static LttTime time_zero = {0,0};
+//static LttTime time_zero = {0,0};
static void
init(LttvTracesetState *self, LttvTraceset *ts)
nb_trace = lttv_traceset_number(ts);
for(i = 0 ; i < nb_trace ; i++) {
tc = self->parent.traces[i];
- tcs = (LttvTraceState *)tc;
- tcs->save_interval = 50000;
+ tcs = LTTV_TRACE_STATE(tc);
+ tcs->save_interval = LTTV_STATE_SAVE_INTERVAL;
lttv_attribute_find(tcs->parent.t_a, LTTV_STATE_TRACE_STATE_USE_COUNT,
LTTV_UINT, &v);
(*v.v_uint)++;
get_name_tables(tcs);
get_max_time(tcs);
- nb_tracefile = ltt_trace_control_tracefile_number(tc->t) +
- ltt_trace_per_cpu_tracefile_number(tc->t);
-
+ nb_tracefile = tc->tracefiles->len;
+#if 0
for(j = 0 ; j < nb_tracefile ; j++) {
- tfcs = LTTV_TRACEFILE_STATE(tc->tracefiles[j]);
- tfcs->cpu_name= g_quark_from_string(ltt_tracefile_name(tfcs->parent.tf));
+ tfcs =
+ LTTV_TRACEFILE_STATE(g_array_index(tc->tracefiles,
+ LttvTracefileContext*, j));
+ tfcs->tracefile_name = ltt_tracefile_name(tfcs->parent.tf);
}
+#endif //0
tcs->processes = NULL;
+ tcs->running_process = g_new(LttvProcessState*,
+ ltt_trace_get_num_cpu(tc->t));
restore_init_state(tcs);
}
}
free_max_time(tcs);
free_saved_state(tcs);
}
+ g_free(tcs->running_process);
+ tcs->running_process = NULL;
lttv_state_free_process_table(tcs->processes);
tcs->processes = NULL;
}
process = (LttvProcessState *)value;
fprintf(fp,
-" <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%s\">\n",
+" <PROCESS CORE=%p PID=%u PPID=%u CTIME_S=%lu CTIME_NS=%lu NAME=\"%s\" CPU=\"%u\">\n",
process, process->pid, process->ppid, process->creation_time.tv_sec,
process->creation_time.tv_nsec, g_quark_to_string(process->name),
- g_quark_to_string(process->last_cpu));
+ process->cpu);
for(i = 0 ; i < process->execution_stack->len; i++) {
es = &g_array_index(process->execution_stack, LttvExecutionState, i);
void lttv_state_write(LttvTraceState *self, LttTime t, FILE *fp)
{
- guint i, nb_tracefile, nb_block, nb_event;
+ guint i, nb_tracefile, nb_block, offset;
+ guint64 tsc;
LttvTracefileState *tfcs;
LttEventPosition *ep;
+ guint nb_cpus;
+
ep = ltt_event_position_new();
fprintf(fp,"<PROCESS_STATE TIME_S=%lu TIME_NS=%lu>\n", t.tv_sec, t.tv_nsec);
g_hash_table_foreach(self->processes, write_process_state, fp);
+
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+ for(i=0;i<nb_cpus;i++) {
+ fprintf(fp,"<CPU NUM=%u RUNNING_PROCESS=%u>\n",
+ i, self->running_process[i]->pid);
+ }
- nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) +
- ltt_trace_per_cpu_tracefile_number(self->parent.t);
+ nb_tracefile = self->parent.tracefiles->len;
for(i = 0 ; i < nb_tracefile ; i++) {
- tfcs = (LttvTracefileState *)self->parent.tracefiles[i];
- fprintf(fp, " <TRACEFILE PID=%u TIMESTAMP_S=%lu TIMESTAMP_NS=%lu",
- tfcs->process->pid, tfcs->parent.timestamp.tv_sec,
+ tfcs =
+ LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
+ LttvTracefileContext*, i));
+ fprintf(fp, " <TRACEFILE TIMESTAMP_S=%lu TIMESTAMP_NS=%lu",
+ tfcs->parent.timestamp.tv_sec,
tfcs->parent.timestamp.tv_nsec);
- if(tfcs->parent.e == NULL) fprintf(fp,"/>\n");
+ LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf);
+ if(e == NULL) fprintf(fp,"/>\n");
else {
- ltt_event_position(tfcs->parent.e, ep);
- ltt_event_position_get(ep, &nb_block, &nb_event, &tf);
- fprintf(fp, " BLOCK=%u EVENT=%u/>\n", nb_block, nb_event);
+ ltt_event_position(e, ep);
+ ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc);
+ fprintf(fp, " BLOCK=%u OFFSET=%u TSC=%llu/>\n", nb_block, offset,
+ tsc);
}
}
g_free(ep);
*new_process = *process;
new_process->execution_stack = g_array_sized_new(FALSE, FALSE,
sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK);
- g_array_set_size(new_process->execution_stack,process->execution_stack->len);
+ new_process->execution_stack =
+ g_array_set_size(new_process->execution_stack,
+ process->execution_stack->len);
for(i = 0 ; i < process->execution_stack->len; i++) {
g_array_index(new_process->execution_stack, LttvExecutionState, i) =
g_array_index(process->execution_stack, LttvExecutionState, i);
static void state_save(LttvTraceState *self, LttvAttribute *container)
{
- guint i, nb_tracefile;
+ guint i, nb_tracefile, nb_cpus;
LttvTracefileState *tfcs;
LttvAttribute *tracefiles_tree, *tracefile_tree;
+
+ guint *running_process;
LttvAttributeType type;
LTTV_POINTER);
*(value.v_pointer) = lttv_state_copy_process_table(self->processes);
- nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) +
- ltt_trace_per_cpu_tracefile_number(self->parent.t);
+ /* Add the currently running processes array */
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+ running_process = g_new(guint, nb_cpus);
+ for(i=0;i<nb_cpus;i++) {
+ running_process[i] = self->running_process[i]->pid;
+ }
+ value = lttv_attribute_add(container, LTTV_STATE_RUNNING_PROCESS,
+ LTTV_POINTER);
+ *(value.v_pointer) = running_process;
+
+ g_info("State save");
+
+ nb_tracefile = self->parent.tracefiles->len;
for(i = 0 ; i < nb_tracefile ; i++) {
- tfcs = (LttvTracefileState *)self->parent.tracefiles[i];
+ tfcs =
+ LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
+ LttvTracefileContext*, i));
tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
value = lttv_attribute_add(tracefiles_tree, i,
LTTV_GOBJECT);
*(value.v_gobject) = (GObject *)tracefile_tree;
+#if 0
value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS,
LTTV_UINT);
*(value.v_uint) = tfcs->process->pid;
+#endif //0
value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT,
LTTV_POINTER);
- if(tfcs->parent.e == NULL) *(value.v_pointer) = NULL;
- else {
+ /* Only save the position if the tfs has not infinite time. */
+ //if(!g_tree_lookup(self->parent.ts_context->pqueue, &tfcs->parent)
+ // && current_tfcs != tfcs) {
+ if(ltt_time_compare(tfcs->parent.timestamp, ltt_time_infinite) == 0) {
+ *(value.v_pointer) = NULL;
+ } else {
+ LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf);
ep = ltt_event_position_new();
- ltt_event_position(tfcs->parent.e, ep);
+ ltt_event_position(e, ep);
*(value.v_pointer) = ep;
- guint nb_block, nb_event;
+ guint nb_block, offset;
+ guint64 tsc;
LttTracefile *tf;
- ltt_event_position_get(ep, &nb_block, &nb_event, &tf);
- g_debug("Block %u event %u time %lu.%lu", nb_block, nb_event,
+ ltt_event_position_get(ep, &tf, &nb_block, &offset, &tsc);
+ g_info("Block %u offset %u tsc %llu time %lu.%lu", nb_block, offset,
+ tsc,
tfcs->parent.timestamp.tv_sec, tfcs->parent.timestamp.tv_nsec);
}
}
static void state_restore(LttvTraceState *self, LttvAttribute *container)
{
- guint i, nb_tracefile, pid;
+ guint i, nb_tracefile, pid, nb_cpus;
LttvTracefileState *tfcs;
LttvAttribute *tracefiles_tree, *tracefile_tree;
+ guint *running_process;
+
LttvAttributeType type;
LttvAttributeValue value;
LttEventPosition *ep;
+ LttvTracesetContext *tsc = self->parent.ts_context;
+
tracefiles_tree = lttv_attribute_find_subdir(container,
LTTV_STATE_TRACEFILES);
lttv_state_free_process_table(self->processes);
self->processes = lttv_state_copy_process_table(*(value.v_pointer));
- nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) +
- ltt_trace_per_cpu_tracefile_number(self->parent.t);
+ /* Add the currently running processes array */
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+ type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS,
+ &value);
+ g_assert(type == LTTV_POINTER);
+ running_process = *(value.v_pointer);
+ for(i=0;i<nb_cpus;i++) {
+ pid = running_process[i];
+ self->running_process[i] = lttv_state_find_process(self, i, pid);
+ g_assert(self->running_process[i] != NULL);
+ }
+
+
+ nb_tracefile = self->parent.tracefiles->len;
+ //g_tree_destroy(tsc->pqueue);
+ //tsc->pqueue = g_tree_new(compare_tracefile);
+
for(i = 0 ; i < nb_tracefile ; i++) {
- tfcs = (LttvTracefileState *)self->parent.tracefiles[i];
+ tfcs =
+ LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
+ LttvTracefileContext*, i));
type = lttv_attribute_get(tracefiles_tree, i, &name, &value);
g_assert(type == LTTV_GOBJECT);
tracefile_tree = *((LttvAttribute **)(value.v_gobject));
-
+#if 0
type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS,
&value);
g_assert(type == LTTV_UINT);
pid = *(value.v_uint);
tfcs->process = lttv_state_find_process_or_create(tfcs, pid);
-
+#endif //0
type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT,
&value);
g_assert(type == LTTV_POINTER);
- if(*(value.v_pointer) == NULL) tfcs->parent.e = NULL;
- else {
- ep = *(value.v_pointer);
- g_assert(tfcs->parent.t_context != NULL);
- lttv_process_tracefile_seek_position(LTTV_TRACEFILE_CONTEXT(tfcs), ep);
+ //g_assert(*(value.v_pointer) != NULL);
+ ep = *(value.v_pointer);
+ g_assert(tfcs->parent.t_context != NULL);
+
+ LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfcs);
+ g_tree_remove(tsc->pqueue, tfc);
+
+ if(ep != NULL) {
+ g_assert(ltt_tracefile_seek_position(tfc->tf, ep) == 0);
+ tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf));
+ g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0);
+ g_tree_insert(tsc->pqueue, tfc, tfc);
+ g_info("Restoring state for a tf at time %lu.%lu", tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec);
+ } else {
+ tfc->timestamp = ltt_time_infinite;
}
}
}
static void state_saved_free(LttvTraceState *self, LttvAttribute *container)
{
- guint i, nb_tracefile;
+ guint i, nb_tracefile, nb_cpus;
LttvTracefileState *tfcs;
LttvAttribute *tracefiles_tree, *tracefile_tree;
+ guint *running_process;
+
LttvAttributeType type;
LttvAttributeValue value;
*(value.v_pointer) = NULL;
lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES);
- nb_tracefile = ltt_trace_control_tracefile_number(self->parent.t) +
- ltt_trace_per_cpu_tracefile_number(self->parent.t);
+ /* Free running processes array */
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+ type = lttv_attribute_get_by_name(container, LTTV_STATE_RUNNING_PROCESS,
+ &value);
+ g_assert(type == LTTV_POINTER);
+ running_process = *(value.v_pointer);
+ g_free(running_process);
+
+ nb_tracefile = self->parent.tracefiles->len;
for(i = 0 ; i < nb_tracefile ; i++) {
- tfcs = (LttvTracefileState *)self->parent.tracefiles[i];
+ tfcs =
+ LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
+ LttvTracefileContext*, i));
type = lttv_attribute_get(tracefiles_tree, i, &name, &value);
g_assert(type == LTTV_GOBJECT);
tracefile_tree = *((LttvAttribute **)(value.v_gobject));
LTTV_POINTER, &v);
g_assert(*(v.v_pointer) == NULL);
*(v.v_pointer) = g_new(LttTime,1);
- *((LttTime *)*(v.v_pointer)) = time_zero;
+ *((LttTime *)*(v.v_pointer)) = ltt_time_zero;
}
typedef struct _LttvNameTables {
- GQuark *eventtype_names;
+ // FIXME GQuark *eventtype_names;
GQuark *syscall_names;
GQuark *trap_names;
GQuark *irq_names;
+ GQuark *soft_irq_names;
} LttvNameTables;
{
int i, nb;
- char *f_name, *e_name;
+ GQuark f_name, e_name;
LttvTraceHook h;
+ LttvTraceHookByFacility *thf;
+
LttEventType *et;
LttType *t;
LTTV_POINTER, &v);
g_assert(*(v.v_pointer) == NULL);
*(v.v_pointer) = name_tables;
-
+#if 0 // Use iteration over the facilities_by_name and then list all event
+ // types of each facility
nb = ltt_trace_eventtype_number(tcs->parent.t);
name_tables->eventtype_names = g_new(GQuark, nb);
for(i = 0 ; i < nb ; i++) {
g_string_printf(fe_name, "%s.%s", f_name, e_name);
name_tables->eventtype_names[i] = g_quark_from_string(fe_name->str);
}
-
- lttv_trace_find_hook(tcs->parent.t, "core", "syscall_entry",
- "syscall_id", NULL, NULL, NULL, &h);
- t = ltt_field_type(h.f1);
+#endif //0
+ if(lttv_trace_find_hook(tcs->parent.t,
+ LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY,
+ LTT_FIELD_SYSCALL_ID, 0, 0,
+ NULL, NULL, &h))
+ return;
+
+ thf = lttv_trace_hook_get_first(&h);
+
+ t = ltt_field_type(thf->f1);
nb = ltt_type_element_number(t);
+
+ lttv_trace_hook_destroy(&h);
- /* CHECK syscalls should be an emun but currently are not!
name_tables->syscall_names = g_new(GQuark, nb);
for(i = 0 ; i < nb ; i++) {
- name_tables->syscall_names[i] = g_quark_from_string(
- ltt_enum_string_get(t, i));
+ name_tables->syscall_names[i] = ltt_enum_string_get(t, i);
}
- */
- name_tables->syscall_names = g_new(GQuark, 256);
- for(i = 0 ; i < 256 ; i++) {
- g_string_printf(fe_name, "syscall %d", i);
- name_tables->syscall_names[i] = g_quark_from_string(fe_name->str);
- }
+ //name_tables->syscall_names = g_new(GQuark, 256);
+ //for(i = 0 ; i < 256 ; i++) {
+ // g_string_printf(fe_name, "syscall %d", i);
+ // name_tables->syscall_names[i] = g_quark_from_string(fe_name->str);
+ //}
- lttv_trace_find_hook(tcs->parent.t, "core", "trap_entry",
- "trap_id", NULL, NULL, NULL, &h);
- t = ltt_field_type(h.f1);
- nb = ltt_type_element_number(t);
+ if(lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL,
+ LTT_EVENT_TRAP_ENTRY,
+ LTT_FIELD_TRAP_ID, 0, 0,
+ NULL, NULL, &h))
+ return;
+
+ thf = lttv_trace_hook_get_first(&h);
+
+ t = ltt_field_type(thf->f1);
+ //nb = ltt_type_element_number(t);
+
+ lttv_trace_hook_destroy(&h);
/*
name_tables->trap_names = g_new(GQuark, nb);
name_tables->trap_names[i] = g_quark_from_string(fe_name->str);
}
- lttv_trace_find_hook(tcs->parent.t, "core", "irq_entry",
- "irq_id", NULL, NULL, NULL, &h);
- t = ltt_field_type(h.f1);
- nb = ltt_type_element_number(t);
+ if(lttv_trace_find_hook(tcs->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY,
+ LTT_FIELD_IRQ_ID, 0, 0,
+ NULL, NULL, &h))
+ return;
+
+ thf = lttv_trace_hook_get_first(&h);
+
+ t = ltt_field_type(thf->f1);
+ //nb = ltt_type_element_number(t);
+
+ lttv_trace_hook_destroy(&h);
/*
name_tables->irq_names = g_new(GQuark, nb);
name_tables->irq_names[i] = g_quark_from_string(fe_name->str);
}
+ /*
+ name_tables->soft_irq_names = g_new(GQuark, nb);
+ for(i = 0 ; i < nb ; i++) {
+ name_tables->soft_irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
+ }
+ */
+
+ name_tables->soft_irq_names = g_new(GQuark, 256);
+ for(i = 0 ; i < 256 ; i++) {
+ g_string_printf(fe_name, "softirq %d", i);
+ name_tables->soft_irq_names[i] = g_quark_from_string(fe_name->str);
+ }
+
+
g_string_free(fe_name, TRUE);
}
LTTV_POINTER, &v);
g_assert(*(v.v_pointer) != NULL);
name_tables = (LttvNameTables *)*(v.v_pointer);
- tcs->eventtype_names = name_tables->eventtype_names;
+ //tcs->eventtype_names = name_tables->eventtype_names;
tcs->syscall_names = name_tables->syscall_names;
tcs->trap_names = name_tables->trap_names;
tcs->irq_names = name_tables->irq_names;
+ tcs->soft_irq_names = name_tables->soft_irq_names;
}
name_tables = (LttvNameTables *)*(v.v_pointer);
*(v.v_pointer) = NULL;
- g_free(name_tables->eventtype_names);
+ // g_free(name_tables->eventtype_names);
g_free(name_tables->syscall_names);
g_free(name_tables->trap_names);
g_free(name_tables->irq_names);
+ g_free(name_tables->soft_irq_names);
g_free(name_tables);
}
+#ifdef HASH_TABLE_DEBUG
+
+static void test_process(gpointer key, gpointer value, gpointer user_data)
+{
+ LttvProcessState *process = (LttvProcessState *)value;
+
+ /* Test for process corruption */
+ guint stack_len = process->execution_stack->len;
+}
+
+static void hash_table_check(GHashTable *table)
+{
+ g_hash_table_foreach(table, test_process, NULL);
+}
+
+
+#endif
+
static void push_state(LttvTracefileState *tfs, LttvExecutionMode t,
guint state_id)
{
LttvExecutionState *es;
+
+ guint cpu = ltt_tracefile_num(tfs->parent.tf);
+ LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
- LttvProcessState *process = tfs->process;
+#ifdef HASH_TABLE_DEBUG
+ hash_table_check(ts->processes);
+#endif
+ LttvProcessState *process = ts->running_process[cpu];
guint depth = process->execution_stack->len;
- g_array_set_size(process->execution_stack, depth + 1);
+ process->execution_stack =
+ g_array_set_size(process->execution_stack, depth + 1);
+ /* Keep in sync */
+ process->state =
+ &g_array_index(process->execution_stack, LttvExecutionState, depth - 1);
+
es = &g_array_index(process->execution_stack, LttvExecutionState, depth);
es->t = t;
es->n = state_id;
static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t)
{
- LttvProcessState *process = tfs->process;
+ guint cpu = ltt_tracefile_num(tfs->parent.tf);
+ LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
guint depth = process->execution_stack->len;
return;
}
- g_array_set_size(process->execution_stack, depth - 1);
+ process->execution_stack =
+ g_array_set_size(process->execution_stack, depth - 1);
process->state = &g_array_index(process->execution_stack, LttvExecutionState,
depth - 2);
process->state->change = tfs->parent.timestamp;
LttvProcessState *
-lttv_state_create_process(LttvTracefileState *tfs, LttvProcessState *parent,
- guint pid)
+lttv_state_create_process(LttvTraceState *tcs, LttvProcessState *parent,
+ guint cpu, guint pid, const LttTime *timestamp)
{
LttvProcessState *process = g_new(LttvProcessState, 1);
LttvExecutionState *es;
- LttvTraceContext *tc;
-
- LttvTraceState *tcs;
+ LttvTraceContext *tc = (LttvTraceContext*)tcs;
char buffer[128];
- tc = tfs->parent.t_context;
- tcs = (LttvTraceState *)tc;
-
process->pid = pid;
- process->last_cpu = tfs->cpu_name;
- process->last_cpu_index = ((LttvTracefileContext*)tfs)->index;
- g_warning("Process %u, core %p", process->pid, process);
+ process->cpu = cpu;
+ //process->last_cpu = tfs->cpu_name;
+ //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
+ g_info("Process %u, core %p", process->pid, process);
g_hash_table_insert(tcs->processes, process, process);
if(parent) {
process->ppid = parent->pid;
process->name = parent->name;
- process->creation_time = tfs->parent.timestamp;
+ process->creation_time = *timestamp;
}
/* No parent. This process exists but we are missing all information about
process->creation_time = ltt_time_zero;
}
- process->insertion_time = tfs->parent.timestamp;
+ process->insertion_time = *timestamp;
sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec,
process->creation_time.tv_nsec);
process->pid_time = g_quark_from_string(buffer);
- process->last_cpu = tfs->cpu_name;
- process->last_cpu_index = ((LttvTracefileContext*)tfs)->index;
+ process->cpu = cpu;
+ //process->last_cpu = tfs->cpu_name;
+ //process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
process->execution_stack = g_array_sized_new(FALSE, FALSE,
sizeof(LttvExecutionState), PREALLOCATED_EXECUTION_STACK);
- g_array_set_size(process->execution_stack, 1);
+ process->execution_stack = g_array_set_size(process->execution_stack, 2);
es = process->state = &g_array_index(process->execution_stack,
LttvExecutionState, 0);
es->t = LTTV_STATE_USER_MODE;
es->n = LTTV_STATE_SUBMODE_NONE;
- es->entry = tfs->parent.timestamp;
- g_assert(tfs->parent.timestamp.tv_sec != 0);
- es->change = tfs->parent.timestamp;
+ es->entry = *timestamp;
+ //g_assert(timestamp->tv_sec != 0);
+ es->change = *timestamp;
+ es->s = LTTV_STATE_RUN;
+
+ es = process->state = &g_array_index(process->execution_stack,
+ LttvExecutionState, 1);
+ es->t = LTTV_STATE_SYSCALL;
+ es->n = LTTV_STATE_SUBMODE_NONE;
+ es->entry = *timestamp;
+ //g_assert(timestamp->tv_sec != 0);
+ es->change = *timestamp;
es->s = LTTV_STATE_WAIT_FORK;
return process;
}
-LttvProcessState *lttv_state_find_process(LttvTracefileState *tfs,
+LttvProcessState *lttv_state_find_process(LttvTraceState *ts, guint cpu,
guint pid)
{
LttvProcessState key;
LttvProcessState *process;
- LttvTraceState* ts = (LttvTraceState*)tfs->parent.t_context;
-
key.pid = pid;
- key.last_cpu = tfs->cpu_name;
+ key.cpu = cpu;
process = g_hash_table_lookup(ts->processes, &key);
return process;
}
LttvProcessState *
-lttv_state_find_process_or_create(LttvTracefileState *tfs, guint pid)
+lttv_state_find_process_or_create(LttvTraceState *ts, guint cpu, guint pid,
+ LttTime *timestamp)
{
- LttvProcessState *process = lttv_state_find_process(tfs, pid);
-
- if(unlikely(process == NULL)) process = lttv_state_create_process(tfs, NULL, pid);
+ LttvProcessState *process = lttv_state_find_process(ts, cpu, pid);
+
+ /* Put ltt_time_zero creation time for unexisting processes */
+ if(unlikely(process == NULL)) process = lttv_state_create_process(ts,
+ NULL, cpu, pid, timestamp);
return process;
}
LttvProcessState key;
key.pid = process->pid;
- key.last_cpu = process->last_cpu;
+ key.cpu = process->cpu;
g_hash_table_remove(ts->processes, &key);
g_array_free(process->execution_stack, TRUE);
g_free(process);
static gboolean syscall_entry(void *hook_data, void *call_data)
{
- LttField *f = ((LttvTraceHook *)hook_data)->f1;
-
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ LttField *f = thf->f1;
LttvExecutionSubmode submode;
submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[
- ltt_event_get_unsigned(s->parent.e, f)];
+ ltt_event_get_unsigned(e, f)];
push_state(s, LTTV_STATE_SYSCALL, submode);
return FALSE;
}
static gboolean trap_entry(void *hook_data, void *call_data)
{
- LttField *f = ((LttvTraceHook *)hook_data)->f1;
-
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ LttField *f = thf->f1;
LttvExecutionSubmode submode;
submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[
- ltt_event_get_unsigned(s->parent.e, f)];
+ ltt_event_get_unsigned(e, f)];
push_state(s, LTTV_STATE_TRAP, submode);
return FALSE;
}
static gboolean irq_entry(void *hook_data, void *call_data)
{
- LttField *f = ((LttvTraceHook *)hook_data)->f1;
-
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ guint8 fac_id = ltt_event_facility_id(e);
+ guint8 ev_id = ltt_event_eventtype_id(e);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL);
+ g_assert(thf->f1 != NULL);
+ // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data));
+ LttField *f = thf->f1;
LttvExecutionSubmode submode;
submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[
- ltt_event_get_unsigned(s->parent.e, f)];
+ ltt_event_get_unsigned(e, f)];
/* Do something with the info about being in user or system mode when int? */
push_state(s, LTTV_STATE_IRQ, submode);
return FALSE;
}
-
-static gboolean schedchange(void *hook_data, void *call_data)
+static gboolean soft_irq_entry(void *hook_data, void *call_data)
{
- LttvTraceHook *h = (LttvTraceHook *)hook_data;
+ LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ guint8 fac_id = ltt_event_facility_id(e);
+ guint8 ev_id = ltt_event_eventtype_id(e);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ // g_assert(lttv_trace_hook_get_first((LttvTraceHook *)hook_data)->f1 != NULL);
+ g_assert(thf->f1 != NULL);
+ // g_assert(thf == lttv_trace_hook_get_first((LttvTraceHook *)hook_data));
+ LttField *f = thf->f1;
+ LttvExecutionSubmode submode;
+
+ submode = ((LttvTraceState *)(s->parent.t_context))->soft_irq_names[
+ ltt_event_get_unsigned(e, f)];
+
+ /* Do something with the info about being in user or system mode when int? */
+ push_state(s, LTTV_STATE_SOFT_IRQ, submode);
+ return FALSE;
+}
+
+
+static gboolean soft_irq_exit(void *hook_data, void *call_data)
+{
LttvTracefileState *s = (LttvTracefileState *)call_data;
- guint pid_in, pid_out, state_out;
+ pop_state(s, LTTV_STATE_SOFT_IRQ);
+ return FALSE;
+}
- pid_in = ltt_event_get_unsigned(s->parent.e, h->f1);
- pid_out = ltt_event_get_unsigned(s->parent.e, h->f2);
- state_out = ltt_event_get_unsigned(s->parent.e, h->f3);
- if(likely(s->process != NULL)) {
+static gboolean schedchange(void *hook_data, void *call_data)
+{
+ LttvTracefileState *s = (LttvTracefileState *)call_data;
+ guint cpu = ltt_tracefile_num(s->parent.tf);
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ guint pid_in, pid_out;
+ gint state_out;
+
+ pid_out = ltt_event_get_unsigned(e, thf->f1);
+ pid_in = ltt_event_get_unsigned(e, thf->f2);
+ state_out = ltt_event_get_int(e, thf->f3);
+
+ if(likely(process != NULL)) {
/* We could not know but it was not the idle process executing.
This should only happen at the beginning, before the first schedule
is missing. It is not obvious how we could, after the fact, compensate
the wrongly attributed statistics. */
- if(unlikely(s->process->pid != pid_out)) {
- g_assert(s->process->pid == 0);
- }
+ //This test only makes sense once the state is known and if there is no
+ //missing events.
+ //if(unlikely(process->pid != pid_out)) {
+ // g_assert(process->pid == 0);
+ //}
- if(unlikely(s->process->state->s == LTTV_STATE_EXIT)) {
- s->process->state->s = LTTV_STATE_ZOMBIE;
+ if(unlikely(process->state->s == LTTV_STATE_EXIT)) {
+ process->state->s = LTTV_STATE_ZOMBIE;
+ process->state->change = s->parent.timestamp;
} else {
- if(unlikely(state_out == 0)) s->process->state->s = LTTV_STATE_WAIT_CPU;
- else s->process->state->s = LTTV_STATE_WAIT;
- } /* FIXME : we do not remove process here, because the kernel
- * still has them : they may be zombies. We need to know
- * exactly when release_task is executed on the PID to
- * know when the zombie is destroyed.
- */
- //else
- // exit_process(s, s->process);
-
- s->process->state->change = s->parent.timestamp;
+ if(unlikely(state_out == 0)) process->state->s = LTTV_STATE_WAIT_CPU;
+ else process->state->s = LTTV_STATE_WAIT;
+ process->state->change = s->parent.timestamp;
+ }
+
+ if(state_out == 32)
+ exit_process(s, process); /* EXIT_DEAD */
+ /* see sched.h for states */
}
- s->process = lttv_state_find_process_or_create(s, pid_in);
- s->process->state->s = LTTV_STATE_RUN;
- s->process->last_cpu = s->cpu_name;
- s->process->last_cpu_index = ((LttvTracefileContext*)s)->index;
- s->process->state->change = s->parent.timestamp;
+ process = ts->running_process[cpu] =
+ lttv_state_find_process_or_create(
+ (LttvTraceState*)s->parent.t_context,
+ cpu, pid_in,
+ &s->parent.timestamp);
+ process->state->s = LTTV_STATE_RUN;
+ process->cpu = cpu;
+ // process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf);
+ process->state->change = s->parent.timestamp;
return FALSE;
}
-
-static gboolean process_fork(LttvTraceHook *trace_hook, LttvTracefileState *s)
+static gboolean process_fork(void *hook_data, void *call_data)
{
+ LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
LttField *f;
+ guint parent_pid;
guint child_pid;
LttvProcessState *zombie_process;
+ guint cpu = ltt_tracefile_num(s->parent.tf);
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+ LttvProcessState *child_process;
+
+ /* Parent PID */
+ f = thf->f1;
+ parent_pid = ltt_event_get_unsigned(e, f);
/* Child PID */
- f = trace_hook->f2;
- child_pid = ltt_event_get_unsigned(s->parent.e, f);
+ f = thf->f2;
+ child_pid = ltt_event_get_unsigned(e, f);
- zombie_process = lttv_state_find_process(s, child_pid);
+ /* Mathieu : it seems like the process might have been scheduled in before the
+ * fork, and, in a rare case, might be the current process. This might happen
+ * in a SMP case where we don't have enough precision on the clocks.
+ *
+ * Test reenabled after precision fixes on time. (Mathieu) */
+#if 0
+ zombie_process = lttv_state_find_process(ts, ANY_CPU, child_pid);
if(unlikely(zombie_process != NULL)) {
/* Reutilisation of PID. Only now we are sure that the old PID
- * has been released. FIXME : sould know when release_task happens instead.
+ * has been released. FIXME : should know when release_task happens instead.
*/
+ guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t);
+ guint i;
+ for(i=0; i< num_cpus; i++) {
+ g_assert(zombie_process != ts->running_process[i]);
+ }
+
exit_process(s, zombie_process);
}
- g_assert(s->process->pid != child_pid);
- lttv_state_create_process(s, s->process, child_pid);
+#endif //0
+ g_assert(process->pid != child_pid);
+ // FIXME : Add this test in the "known state" section
+ // g_assert(process->pid == parent_pid);
+ child_process = lttv_state_find_process(ts, ANY_CPU, child_pid);
+ if(child_process == NULL) {
+ lttv_state_create_process(ts, process, cpu,
+ child_pid, &s->parent.timestamp);
+ } else {
+ /* The process has already been created : due to time imprecision between
+ * multiple CPUs : it has been scheduled in before creation. Note that we
+ * shouldn't have this kind of imprecision.
+ *
+ * Simply put a correct parent.
+ */
+ g_assert(0); /* This is a problematic case : the process has been created
+ before the fork event */
+ child_process->ppid = process->pid;
+ }
return FALSE;
}
-static gboolean process_exit(LttvTraceHook *trace_hook, LttvTracefileState *s)
+static gboolean process_exit(void *hook_data, void *call_data)
{
- if(likely(s->process != NULL)) {
- s->process->state->s = LTTV_STATE_EXIT;
+ LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ LttField *f;
+ guint pid;
+ guint cpu = ltt_tracefile_num(s->parent.tf);
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+
+ pid = ltt_event_get_unsigned(e, thf->f1);
+
+ // FIXME : Add this test in the "known state" section
+ // g_assert(process->pid == pid);
+
+ if(likely(process != NULL)) {
+ process->state->s = LTTV_STATE_EXIT;
}
return FALSE;
}
-static gboolean process_release(LttvTraceHook *trace_hook,
- LttvTracefileState *s)
+static gboolean process_free(void *hook_data, void *call_data)
{
- LttField *f;
+ LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
guint release_pid;
LttvProcessState *process;
/* PID of the process to release */
- f = trace_hook->f2;
- release_pid = ltt_event_get_unsigned(s->parent.e, f);
+ release_pid = ltt_event_get_unsigned(e, thf->f1);
+
+ g_assert(release_pid != 0);
- process = lttv_state_find_process(s, release_pid);
+ process = lttv_state_find_process(ts, ANY_CPU, release_pid);
if(likely(process != NULL)) {
/* release_task is happening at kernel level : we can now safely release
* the data structure of the process */
- exit_process(s, process);
+ //This test is fun, though, as it may happen that
+ //at time t : CPU 0 : process_free
+ //at time t+150ns : CPU 1 : schedule out
+ //Clearly due to time imprecision, we disable it. (Mathieu)
+ //If this weird case happen, we have no choice but to put the
+ //Currently running process on the cpu to 0.
+ //I re-enable it following time precision fixes. (Mathieu)
+ //Well, in the case where an process is freed by a process on another CPU
+ //and still scheduled, it happens that this is the schedchange that will
+ //drop the last reference count. Do not free it here!
+ guint num_cpus = ltt_trace_get_num_cpu(ts->parent.t);
+ guint i;
+ for(i=0; i< num_cpus; i++) {
+ //g_assert(process != ts->running_process[i]);
+ if(process == ts->running_process[i]) {
+ //ts->running_process[i] = lttv_state_find_process(ts, i, 0);
+ break;
+ }
+ }
+ if(i == num_cpus) /* process is not scheduled */
+ exit_process(s, process);
}
return FALSE;
}
-gboolean process(void *hook_data, void *call_data)
-{
- LttvTraceHook *trace_hook = (LttvTraceHook *)hook_data;
- LttField *f = trace_hook->f1;
+static gboolean process_exec(void *hook_data, void *call_data)
+{
LttvTracefileState *s = (LttvTracefileState *)call_data;
-
- guint sub_id = ltt_event_get_unsigned(s->parent.e, f);
-
- /* CHECK : do not hardcode the sub_id values here ? */
- if(sub_id == 2) {
- return process_fork(trace_hook, s);
- } else if(sub_id == 3) {
- return process_exit(trace_hook, s);
- } else if(sub_id == 7) {
- return process_release(trace_hook, s);
- }
- return 0;
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ //gchar *name;
+ guint cpu = ltt_tracefile_num(s->parent.tf);
+ LttvProcessState *process = ts->running_process[cpu];
+
+ /* PID of the process to release */
+ guint64 name_len = ltt_event_field_element_number(e, thf->f1);
+ //name = ltt_event_get_string(e, thf->f1);
+ LttField *child = ltt_event_field_element_select(e, thf->f1, 0);
+ gchar *name_begin =
+ (gchar*)(ltt_event_data(e)+ltt_event_field_offset(e, child));
+ gchar *null_term_name = g_new(gchar, name_len+1);
+ memcpy(null_term_name, name_begin, name_len);
+ null_term_name[name_len] = '\0';
+
+ process->name = g_quark_from_string(null_term_name);
+ g_free(null_term_name);
+ return FALSE;
}
+
+
+
gint lttv_state_hook_add_event_hooks(void *hook_data, void *call_data)
{
LttvTracesetState *tss = (LttvTracesetState*)(call_data);
{
LttvTraceset *traceset = self->parent.ts;
- guint i, j, k, nb_trace, nb_tracefile;
+ guint i, j, k, l, nb_trace, nb_tracefile;
LttvTraceState *ts;
GArray *hooks;
- LttvTraceHook hook;
+ LttvTraceHookByFacility *thf;
+
+ LttvTraceHook *hook;
LttvAttributeValue val;
+ gint ret;
+
nb_trace = lttv_traceset_number(traceset);
for(i = 0 ; i < nb_trace ; i++) {
ts = (LttvTraceState *)self->parent.traces[i];
/* Find the eventtype id for the following events and register the
associated by id hooks. */
- hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook));
- g_array_set_size(hooks, 8);
-
- lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id",
- NULL, NULL, syscall_entry, &g_array_index(hooks, LttvTraceHook, 0));
-
- lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL,
- NULL, syscall_exit, &g_array_index(hooks, LttvTraceHook, 1));
-
- lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id",
- NULL, NULL, trap_entry, &g_array_index(hooks, LttvTraceHook, 2));
+ hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 13);
+ hooks = g_array_set_size(hooks, 13);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY,
+ LTT_FIELD_SYSCALL_ID, 0, 0,
+ syscall_entry, NULL, &g_array_index(hooks, LttvTraceHook, 0));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_EXIT,
+ 0, 0, 0,
+ syscall_exit, NULL, &g_array_index(hooks, LttvTraceHook, 1));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY,
+ LTT_FIELD_TRAP_ID, 0, 0,
+ trap_entry, NULL, &g_array_index(hooks, LttvTraceHook, 2));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT,
+ 0, 0, 0,
+ trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, 3));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_ENTRY,
+ LTT_FIELD_IRQ_ID, 0, 0,
+ irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, 4));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_IRQ_EXIT,
+ 0, 0, 0,
+ irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, 5));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_SOFT_IRQ_ENTRY,
+ LTT_FIELD_SOFT_IRQ_ID, 0, 0,
+ soft_irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, 6));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_KERNEL, LTT_EVENT_SOFT_IRQ_EXIT,
+ 0, 0, 0,
+ soft_irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, 7));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE,
+ LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE,
+ schedchange, NULL, &g_array_index(hooks, LttvTraceHook, 8));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_PROCESS, LTT_EVENT_FORK,
+ LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, 0,
+ process_fork, NULL, &g_array_index(hooks, LttvTraceHook, 9));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_PROCESS, LTT_EVENT_EXIT,
+ LTT_FIELD_PID, 0, 0,
+ process_exit, NULL, &g_array_index(hooks, LttvTraceHook, 10));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_PROCESS, LTT_EVENT_FREE,
+ LTT_FIELD_PID, 0, 0,
+ process_free, NULL, &g_array_index(hooks, LttvTraceHook, 11));
+ g_assert(!ret);
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_FS, LTT_EVENT_EXEC,
+ LTT_FIELD_FILENAME, 0, 0,
+ process_exec, NULL, &g_array_index(hooks, LttvTraceHook, 12));
+ g_assert(!ret);
- lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL,
- trap_exit, &g_array_index(hooks, LttvTraceHook, 3));
- lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL,
- NULL, irq_entry, &g_array_index(hooks, LttvTraceHook, 4));
- lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL,
- irq_exit, &g_array_index(hooks, LttvTraceHook, 5));
-
- lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out",
- "out_state", schedchange, &g_array_index(hooks, LttvTraceHook, 6));
-
- lttv_trace_find_hook(ts->parent.t, "core", "process", "event_sub_id",
- "event_data1", "event_data2", process,
- &g_array_index(hooks, LttvTraceHook, 7));
-
-#if 0
- lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid",
- NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7));
-
- lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL,
- NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8));
-#endif //0
/* Add these hooks to each event_by_id hooks list */
- nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) +
- ltt_trace_per_cpu_tracefile_number(ts->parent.t);
+ nb_tracefile = ts->parent.tracefiles->len;
for(j = 0 ; j < nb_tracefile ; j++) {
- tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]);
+ tfs =
+ LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles,
+ LttvTracefileContext*, j));
for(k = 0 ; k < hooks->len ; k++) {
- hook = g_array_index(hooks, LttvTraceHook, k);
- lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id,
- hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k), LTTV_PRIO_STATE);
+ hook = &g_array_index(hooks, LttvTraceHook, k);
+ for(l=0;l<hook->fac_list->len;l++) {
+ thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
+ lttv_hooks_add(
+ lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id),
+ thf->h,
+ thf,
+ LTTV_PRIO_STATE);
+ }
}
}
lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val);
{
LttvTraceset *traceset = self->parent.ts;
- guint i, j, k, nb_trace, nb_tracefile;
+ guint i, j, k, l, nb_trace, nb_tracefile;
LttvTraceState *ts;
GArray *hooks;
- LttvTraceHook hook;
+ LttvTraceHook *hook;
+
+ LttvTraceHookByFacility *thf;
LttvAttributeValue val;
/* Remove these hooks from each event_by_id hooks list */
- nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) +
- ltt_trace_per_cpu_tracefile_number(ts->parent.t);
+ nb_tracefile = ts->parent.tracefiles->len;
for(j = 0 ; j < nb_tracefile ; j++) {
- tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]);
+ tfs =
+ LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles,
+ LttvTracefileContext*, j));
for(k = 0 ; k < hooks->len ; k++) {
- hook = g_array_index(hooks, LttvTraceHook, k);
- lttv_hooks_remove_data(
- lttv_hooks_by_id_find(tfs->parent.event_by_id,
- hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k));
+ hook = &g_array_index(hooks, LttvTraceHook, k);
+ for(l=0;l<hook->fac_list->len;l++) {
+ thf = g_array_index(hook->fac_list, LttvTraceHookByFacility*, l);
+
+ lttv_hooks_remove_data(
+ lttv_hooks_by_id_find(tfs->parent.event_by_id, thf->id),
+ thf->h,
+ thf);
+ }
}
}
+ for(k = 0 ; k < hooks->len ; k++)
+ lttv_trace_hook_destroy(&g_array_index(hooks, LttvTraceHook, k));
g_array_free(hooks, TRUE);
}
}
+static gboolean state_save_event_hook(void *hook_data, void *call_data)
+{
+ guint *event_count = (guint*)hook_data;
+ /* Only save at LTTV_STATE_SAVE_INTERVAL */
+ if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL))
+ return FALSE;
+ else
+ *event_count = 0;
+
+ LttvTracefileState *self = (LttvTracefileState *)call_data;
+
+ LttvTracefileState *tfcs;
+
+ LttvTraceState *tcs = (LttvTraceState *)(self->parent.t_context);
+
+ LttEventPosition *ep;
+
+ guint i;
+
+ LttTracefile *tf;
+
+ LttvAttribute *saved_states_tree, *saved_state_tree;
+
+ LttvAttributeValue value;
+
+ saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a,
+ LTTV_STATE_SAVED_STATES);
+ saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ value = lttv_attribute_add(saved_states_tree,
+ lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT);
+ *(value.v_gobject) = (GObject *)saved_state_tree;
+ value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME);
+ *(value.v_time) = self->parent.timestamp;
+ lttv_state_save(tcs, saved_state_tree);
+ g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec,
+ self->parent.timestamp.tv_nsec);
+
+ *(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp;
+
+ return FALSE;
+}
+
+static gboolean state_save_after_trace_hook(void *hook_data, void *call_data)
+{
+ LttvTraceState *tcs = (LttvTraceState *)(call_data);
+
+ *(tcs->max_time_state_recomputed_in_seek) = tcs->parent.time_span.end_time;
+
+ return FALSE;
+}
+
+#if 0
static gboolean block_start(void *hook_data, void *call_data)
{
LttvTracefileState *self = (LttvTracefileState *)call_data;
LttvAttributeValue value;
ep = ltt_event_position_new();
- nb_tracefile = ltt_trace_control_tracefile_number(tcs->parent.t) +
- ltt_trace_per_cpu_tracefile_number(tcs->parent.t);
+
+ nb_tracefile = tcs->parent.tracefiles->len;
/* Count the number of events added since the last block end in any
tracefile. */
for(i = 0 ; i < nb_tracefile ; i++) {
- tfcs = (LttvTracefileState *)tcs->parent.tracefiles[i];
+ tfcs =
+ LTTV_TRACEFILE_STATE(&g_array_index(tcs->parent.tracefiles,
+ LttvTracefileContext, i));
ltt_event_position(tfcs->parent.e, ep);
ltt_event_position_get(ep, &nb_block, &nb_event, &tf);
tcs->nb_event += nb_event - tfcs->saved_position;
*(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp;
return FALSE;
}
+#endif //0
-
+#if 0
static gboolean block_end(void *hook_data, void *call_data)
{
LttvTracefileState *self = (LttvTracefileState *)call_data;
return FALSE;
}
-
-
+#endif //0
+#if 0
void lttv_state_save_add_event_hooks(LttvTracesetState *self)
{
LttvTraceset *traceset = self->parent.ts;
nb_trace = lttv_traceset_number(traceset);
for(i = 0 ; i < nb_trace ; i++) {
ts = (LttvTraceState *)self->parent.traces[i];
+
lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL,
NULL, NULL, block_start, &hook_start);
lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL,
NULL, NULL, block_end, &hook_end);
- nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) +
- ltt_trace_per_cpu_tracefile_number(ts->parent.t);
+ nb_tracefile = ts->parent.tracefiles->len;
for(j = 0 ; j < nb_tracefile ; j++) {
- tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]);
+ tfs =
+ LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles,
+ LttvTracefileContext, j));
lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id,
- hook_start.id), hook_start.h, NULL, LTTV_PRIO_STATE);
+ hook_start.id), hook_start.h, NULL, LTTV_PRIO_STATE);
lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.event_by_id,
- hook_end.id), hook_end.h, NULL, LTTV_PRIO_STATE);
+ hook_end.id), hook_end.h, NULL, LTTV_PRIO_STATE);
}
}
}
+#endif //0
+
+void lttv_state_save_add_event_hooks(LttvTracesetState *self)
+{
+ LttvTraceset *traceset = self->parent.ts;
+
+ guint i, j, nb_trace, nb_tracefile;
+
+ LttvTraceState *ts;
+
+ LttvTracefileState *tfs;
+
+
+ nb_trace = lttv_traceset_number(traceset);
+ for(i = 0 ; i < nb_trace ; i++) {
+
+ ts = (LttvTraceState *)self->parent.traces[i];
+ nb_tracefile = ts->parent.tracefiles->len;
+
+ guint *event_count = g_new(guint, 1);
+ *event_count = 0;
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfs =
+ LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles,
+ LttvTracefileContext*, j));
+ lttv_hooks_add(tfs->parent.event,
+ state_save_event_hook,
+ event_count,
+ LTTV_PRIO_STATE);
+
+ }
+ }
+
+ lttv_process_traceset_begin(&self->parent,
+ NULL, NULL, NULL, NULL, NULL);
+
+}
gint lttv_state_save_hook_add_event_hooks(void *hook_data, void *call_data)
{
}
+#if 0
void lttv_state_save_remove_event_hooks(LttvTracesetState *self)
{
LttvTraceset *traceset = self->parent.ts;
nb_trace = lttv_traceset_number(traceset);
for(i = 0 ; i < nb_trace ; i++) {
ts = LTTV_TRACE_STATE(self->parent.traces[i]);
+
lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL,
NULL, NULL, block_start, &hook_start);
lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL,
NULL, NULL, block_end, &hook_end);
- nb_tracefile = ltt_trace_control_tracefile_number(ts->parent.t) +
- ltt_trace_per_cpu_tracefile_number(ts->parent.t);
+ nb_tracefile = ts->parent.tracefiles->len;
for(j = 0 ; j < nb_tracefile ; j++) {
- tfs = LTTV_TRACEFILE_STATE(ts->parent.tracefiles[j]);
+ tfs =
+ LTTV_TRACEFILE_STATE(&g_array_index(ts->parent.tracefiles,
+ LttvTracefileContext, j));
lttv_hooks_remove_data(lttv_hooks_by_id_find(
tfs->parent.event_by_id, hook_start.id), hook_start.h, NULL);
lttv_hooks_remove_data(lttv_hooks_by_id_find(
}
}
}
+#endif //0
+
+void lttv_state_save_remove_event_hooks(LttvTracesetState *self)
+{
+ LttvTraceset *traceset = self->parent.ts;
+
+ guint i, j, nb_trace, nb_tracefile;
+
+ LttvTraceState *ts;
+
+ LttvTracefileState *tfs;
+
+ LttvHooks *after_trace = lttv_hooks_new();
+
+ lttv_hooks_add(after_trace,
+ state_save_after_trace_hook,
+ NULL,
+ LTTV_PRIO_STATE);
+
+
+ lttv_process_traceset_end(&self->parent,
+ NULL, after_trace, NULL, NULL, NULL);
+
+ lttv_hooks_destroy(after_trace);
+
+ nb_trace = lttv_traceset_number(traceset);
+ for(i = 0 ; i < nb_trace ; i++) {
+
+ ts = (LttvTraceState *)self->parent.traces[i];
+ nb_tracefile = ts->parent.tracefiles->len;
+
+ guint *event_count = NULL;
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfs =
+ LTTV_TRACEFILE_STATE(g_array_index(ts->parent.tracefiles,
+ LttvTracefileContext*, j));
+ event_count = lttv_hooks_remove(tfs->parent.event,
+ state_save_event_hook);
+ }
+ if(event_count) g_free(event_count);
+ }
+}
gint lttv_state_save_hook_remove_event_hooks(void *hook_data, void *call_data)
{
int min_pos, mid_pos, max_pos;
+ guint call_rest = 0;
+
LttvTraceState *tcs;
LttvAttributeValue value;
LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree;
+ //g_tree_destroy(self->parent.pqueue);
+ //self->parent.pqueue = g_tree_new(compare_tracefile);
+
+ g_info("Entering seek_time_closest for time %lu.%lu", t.tv_sec, t.tv_nsec);
+
nb_trace = lttv_traceset_number(traceset);
for(i = 0 ; i < nb_trace ; i++) {
tcs = (LttvTraceState *)self->parent.traces[i];
/* restore the closest earlier saved state */
if(min_pos != -1) {
lttv_state_restore(tcs, closest_tree);
+ call_rest = 1;
}
/* There is no saved state, yet we want to have it. Restart at T0 */
lttv_process_trace_seek_time(&(tcs->parent), t);
}
}
+ if(!call_rest) g_info("NOT Calling restore");
}
LTTV_STATE_SYSCALL = g_quark_from_string("system call");
LTTV_STATE_TRAP = g_quark_from_string("trap");
LTTV_STATE_IRQ = g_quark_from_string("irq");
+ LTTV_STATE_SOFT_IRQ = g_quark_from_string("softirq");
LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("unknown submode");
LTTV_STATE_SUBMODE_NONE = g_quark_from_string("(no submode)");
LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu");
LTTV_STATE_ZOMBIE = g_quark_from_string("zombie");
LTTV_STATE_WAIT = g_quark_from_string("wait for I/O");
LTTV_STATE_RUN = g_quark_from_string("running");
+ LTTV_STATE_DEAD = g_quark_from_string("dead");
LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles");
LTTV_STATE_PROCESSES = g_quark_from_string("processes");
LTTV_STATE_PROCESS = g_quark_from_string("process");
+ LTTV_STATE_RUNNING_PROCESS = g_quark_from_string("running_process");
LTTV_STATE_EVENT = g_quark_from_string("event");
LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states");
LTTV_STATE_SAVED_STATES_TIME = g_quark_from_string("saved states time");
LTTV_STATE_NAME_TABLES = g_quark_from_string("name tables");
LTTV_STATE_TRACE_STATE_USE_COUNT =
g_quark_from_string("trace_state_use_count");
+
+
+ LTT_FACILITY_KERNEL = g_quark_from_string("kernel");
+ LTT_FACILITY_KERNEL_ARCH = g_quark_from_string("kernel_arch");
+ LTT_FACILITY_PROCESS = g_quark_from_string("process");
+ LTT_FACILITY_FS = g_quark_from_string("fs");
+
+
+ LTT_EVENT_SYSCALL_ENTRY = g_quark_from_string("syscall_entry");
+ LTT_EVENT_SYSCALL_EXIT = g_quark_from_string("syscall_exit");
+ LTT_EVENT_TRAP_ENTRY = g_quark_from_string("trap_entry");
+ LTT_EVENT_TRAP_EXIT = g_quark_from_string("trap_exit");
+ LTT_EVENT_IRQ_ENTRY = g_quark_from_string("irq_entry");
+ LTT_EVENT_IRQ_EXIT = g_quark_from_string("irq_exit");
+ LTT_EVENT_SOFT_IRQ_ENTRY = g_quark_from_string("soft_irq_entry");
+ LTT_EVENT_SOFT_IRQ_EXIT = g_quark_from_string("soft_irq_exit");
+ LTT_EVENT_SCHEDCHANGE = g_quark_from_string("schedchange");
+ LTT_EVENT_FORK = g_quark_from_string("fork");
+ LTT_EVENT_EXIT = g_quark_from_string("exit");
+ LTT_EVENT_FREE = g_quark_from_string("free");
+ LTT_EVENT_EXEC = g_quark_from_string("exec");
+
+
+ LTT_FIELD_SYSCALL_ID = g_quark_from_string("syscall_id");
+ LTT_FIELD_TRAP_ID = g_quark_from_string("trap_id");
+ LTT_FIELD_IRQ_ID = g_quark_from_string("irq_id");
+ LTT_FIELD_SOFT_IRQ_ID = g_quark_from_string("softirq_id");
+ LTT_FIELD_OUT = g_quark_from_string("out");
+ LTT_FIELD_IN = g_quark_from_string("in");
+ LTT_FIELD_OUT_STATE = g_quark_from_string("out_state");
+ LTT_FIELD_PARENT_PID = g_quark_from_string("parent_pid");
+ LTT_FIELD_CHILD_PID = g_quark_from_string("child_pid");
+ LTT_FIELD_PID = g_quark_from_string("pid");
+ LTT_FIELD_FILENAME = g_quark_from_string("filename");
+
}
static void module_destroy()
projects / lttv.git / blobdiff