GQuark
LTT_FACILITY_KERNEL,
LTT_FACILITY_KERNEL_ARCH,
- LTT_FACILITY_PROCESS,
+ LTT_FACILITY_LIST,
LTT_FACILITY_FS,
- LTT_FACILITY_STATEDUMP,
LTT_FACILITY_USER_GENERIC;
/* Events Quarks */
LTT_EVENT_IRQ_EXIT,
LTT_EVENT_SOFT_IRQ_ENTRY,
LTT_EVENT_SOFT_IRQ_EXIT,
- LTT_EVENT_SCHEDCHANGE,
- LTT_EVENT_FORK,
- LTT_EVENT_KERNEL_THREAD,
- LTT_EVENT_EXIT,
- LTT_EVENT_FREE,
+ LTT_EVENT_SCHED_SCHEDULE,
+ LTT_EVENT_PROCESS_FORK,
+ LTT_EVENT_KTHREAD_CREATE,
+ LTT_EVENT_PROCESS_EXIT,
+ LTT_EVENT_PROCESS_FREE,
LTT_EVENT_EXEC,
- LTT_EVENT_ENUM_PROCESS_STATE,
+ LTT_EVENT_PROCESS_STATE,
LTT_EVENT_STATEDUMP_END,
LTT_EVENT_FUNCTION_ENTRY,
LTT_EVENT_FUNCTION_EXIT,
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_PREV_PID,
+ LTT_FIELD_NEXT_PID,
+ LTT_FIELD_PREV_STATE,
LTT_FIELD_PARENT_PID,
LTT_FIELD_CHILD_PID,
LTT_FIELD_PID,
LTT_FIELD_TGID,
+ LTT_FIELD_CHILD_TGID,
LTT_FIELD_FILENAME,
LTT_FIELD_NAME,
LTT_FIELD_TYPE,
LTTV_STATE_USER_THREAD,
LTTV_STATE_KERNEL_THREAD;
+LttvCPUMode
+ LTTV_CPU_UNKNOWN,
+ LTTV_CPU_IDLE,
+ LTTV_CPU_BUSY,
+ LTTV_CPU_IRQ,
+ LTTV_CPU_TRAP;
+
+LttvIRQMode
+ LTTV_IRQ_UNKNOWN,
+ LTTV_IRQ_IDLE,
+ LTTV_IRQ_BUSY;
+
static GQuark
LTTV_STATE_TRACEFILES,
LTTV_STATE_PROCESSES,
static void
init(LttvTracesetState *self, LttvTraceset *ts)
{
- guint i, j, nb_trace, nb_tracefile;
+ guint i, j, nb_trace, nb_tracefile, nb_cpu;
+ guint64 nb_irq;
LttvTraceContext *tc;
get_max_time(tcs);
nb_tracefile = tc->tracefiles->len;
+ nb_cpu = ltt_trace_get_num_cpu(tc->t);
+ nb_irq = tcs->nb_irqs;
tcs->processes = NULL;
tcs->usertraces = NULL;
- tcs->running_process = g_new(LttvProcessState*,
- ltt_trace_get_num_cpu(tc->t));
+ tcs->running_process = g_new(LttvProcessState*, nb_cpu);
+
+ /* init cpu resource stuff */
+ tcs->cpu_states = g_new(LttvCPUState, nb_cpu);
+ for(j = 0; j<nb_cpu; j++) {
+ tcs->cpu_states[j].mode_stack = g_array_new(FALSE, FALSE, sizeof(LttvCPUMode));
+ g_assert(tcs->cpu_states[j].mode_stack != NULL);
+ }
+
+ /* init irq resource stuff */
+ tcs->irq_states = g_new(LttvIRQState, nb_irq);
+ for(j = 0; j<nb_irq; j++) {
+ tcs->irq_states[j].mode_stack = g_array_new(FALSE, FALSE, sizeof(LttvIRQMode));
+ g_assert(tcs->irq_states[j].mode_stack != NULL);
+ }
+
restore_init_state(tcs);
for(j = 0 ; j < nb_tracefile ; j++) {
tfcs =
LttvTracefileContext*, j));
tfcs->tracefile_name = ltt_tracefile_name(tfcs->parent.tf);
tfcs->cpu = ltt_tracefile_cpu(tfcs->parent.tf);
+ tfcs->cpu_state = &(tcs->cpu_states[tfcs->cpu]);
if(ltt_tracefile_tid(tfcs->parent.tf) != 0) {
/* It's a Usertrace */
guint tid = ltt_tracefile_tid(tfcs->parent.tf);
name_tables->nb_syscalls = 0;
}
- if(!lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL,
+ if(!lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL_ARCH,
LTT_EVENT_TRAP_ENTRY,
LTT_FIELD_TRAP_ID, 0, 0,
NULL, NULL, &h)) {
#endif
+/* clears the stack and sets the state passed as argument */
+static void cpu_set_base_mode(LttvCPUState *cpust, LttvCPUMode state)
+{
+ g_array_set_size(cpust->mode_stack, 1);
+ ((GQuark *)cpust->mode_stack->data)[0] = state;
+}
+
+static void cpu_push_mode(LttvCPUState *cpust, LttvCPUMode state)
+{
+ g_array_set_size(cpust->mode_stack, cpust->mode_stack->len + 1);
+ ((GQuark *)cpust->mode_stack->data)[cpust->mode_stack->len - 1] = state;
+}
+
+static void cpu_pop_mode(LttvCPUState *cpust)
+{
+ if(cpust->mode_stack->len == 1)
+ cpu_set_base_mode(cpust, LTTV_CPU_UNKNOWN);
+ else
+ g_array_set_size(cpust->mode_stack, cpust->mode_stack->len - 1);
+}
+
+/* clears the stack and sets the state passed as argument */
+static void irq_set_base_mode(LttvIRQState *irqst, LttvIRQMode state)
+{
+ g_array_set_size(irqst->mode_stack, 1);
+ ((GQuark *)irqst->mode_stack->data)[0] = state;
+}
+
+static void irq_push_mode(LttvIRQState *irqst, LttvIRQMode state)
+{
+ g_array_set_size(irqst->mode_stack, irqst->mode_stack->len + 1);
+ ((GQuark *)irqst->mode_stack->data)[irqst->mode_stack->len - 1] = state;
+}
+
+static void irq_pop_mode(LttvIRQState *irqst)
+{
+ if(irqst->mode_stack->len == 1)
+ irq_set_base_mode(irqst, LTTV_IRQ_UNKNOWN);
+ else
+ g_array_set_size(irqst->mode_stack, irqst->mode_stack->len - 1);
+}
static void push_state(LttvTracefileState *tfs, LttvExecutionMode t,
guint state_id)
}
push_state(s, LTTV_STATE_TRAP, submode);
+
+ /* update cpu status */
+ cpu_push_mode(s->cpu_state, LTTV_CPU_TRAP);
+
return FALSE;
}
-
static gboolean trap_exit(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
pop_state(s, LTTV_STATE_TRAP);
+
+ /* update cpu status */
+ cpu_pop_mode(s->cpu_state);
+
return FALSE;
}
-
static gboolean irq_entry(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttvTraceState *ts = (LttvTraceState *)s->parent.t_context;
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);
/* Do something with the info about being in user or system mode when int? */
push_state(s, LTTV_STATE_IRQ, submode);
+
+ /* update cpu status */
+ cpu_push_mode(s->cpu_state, LTTV_CPU_IRQ);
+
+ /* update irq status */
+ s->cpu_state->last_irq = irq;
+ irq_push_mode(&ts->irq_states[irq], LTTV_IRQ_BUSY);
+
return FALSE;
}
static gboolean irq_exit(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttvTraceState *ts = (LttvTraceState *)s->parent.t_context;
pop_state(s, LTTV_STATE_IRQ);
+
+ /* update cpu status */
+ cpu_pop_mode(s->cpu_state);
+
+ /* update irq status */
+ irq_pop_mode(&ts->irq_states[s->cpu_state->last_irq]);
+
return FALSE;
}
LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
guint pid_in, pid_out;
- gint state_out;
+ gint64 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);
+ state_out = ltt_event_get_long_int(e, thf->f3);
if(likely(process != NULL)) {
process->state->t = LTTV_STATE_SYSCALL;
process->state->s = LTTV_STATE_WAIT;
process->state->change = s->parent.timestamp;
+ process->state->entry = s->parent.timestamp;
}
} else {
if(unlikely(process->state->s == LTTV_STATE_EXIT)) {
process->state->change = s->parent.timestamp;
}
- if(state_out == 32)
- exit_process(s, process); /* EXIT_DEAD */
+ if(state_out == 32 || state_out == 128)
+ exit_process(s, process); /* EXIT_DEAD || TASK_DEAD */
/* see sched.h for states */
}
}
process->usertrace->cpu = cpu;
// process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf);
process->state->change = s->parent.timestamp;
+
+ /* update cpu status */
+ if(pid_in == 0)
+ cpu_set_base_mode(s->cpu_state, LTTV_CPU_IDLE);
+ else
+ cpu_set_base_mode(s->cpu_state, LTTV_CPU_BUSY);
+
return FALSE;
}
return FALSE;
}
-/* We stamp a newly created process as kernel_thread */
+/* We stamp a newly created process as kernel_thread.
+ * The thread should not be running yet. */
static gboolean process_kernel_thread(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
LttvExecutionState *es;
/* PID */
- pid = ltt_event_get_unsigned(e, thf->f1);
+ pid = (guint)ltt_event_get_long_unsigned(e, thf->f1);
s->parent.target_pid = pid;
- process = lttv_state_find_process(ts, ANY_CPU, pid);
- es = &g_array_index(process->execution_stack, LttvExecutionState, 0);
+ process = lttv_state_find_process_or_create(ts, ANY_CPU, pid,
+ <t_time_zero);
+ process->execution_stack =
+ g_array_set_size(process->execution_stack, 1);
+ es = process->state =
+ &g_array_index(process->execution_stack, LttvExecutionState, 0);
es->t = LTTV_STATE_SYSCALL;
process->type = LTTV_STATE_KERNEL_THREAD;
guint cpu = s->cpu;
LttvProcessState *process = ts->running_process[cpu];
+#if 0//how to use a sequence that must be transformed in a string
/* 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);
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);
+#endif //0
+
+ process->name = g_quark_from_string(ltt_event_get_string(e, thf->f1));
process->brand = LTTV_STATE_UNBRANDED;
- g_free(null_term_name);
+ //g_free(null_term_name);
return FALSE;
}
es->s = LTTV_STATE_RUN;
if(process->execution_stack->len == 1) {
- /* Still in user mode, means never scheduled */
+ /* Still in bottom unknown mode, means never did a system call
+ * May be either in user mode, syscall mode, running or waiting.*/
+ /* FIXME : we may be tagging syscall mode when being user mode */
process->execution_stack =
g_array_set_size(process->execution_stack, 2);
es = process->state = &g_array_index(process->execution_stack,
//g_assert(timestamp->tv_sec != 0);
es->change = *timestamp;
es->cum_cpu_time = ltt_time_zero;
- es->s = LTTV_STATE_WAIT;
+ if(es->s == LTTV_STATE_WAIT_FORK)
+ es->s = LTTV_STATE_WAIT;
}
}
}
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_ENTRY,
+ LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_TRAP_ENTRY,
LTT_FIELD_TRAP_ID, 0, 0,
trap_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_KERNEL, LTT_EVENT_TRAP_EXIT,
+ LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_TRAP_EXIT,
0, 0, 0,
trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_PROCESS, LTT_EVENT_SCHEDCHANGE,
- LTT_FIELD_OUT, LTT_FIELD_IN, LTT_FIELD_OUT_STATE,
+ LTT_FACILITY_KERNEL, LTT_EVENT_SCHED_SCHEDULE,
+ LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE,
schedchange, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_PROCESS, LTT_EVENT_FORK,
- LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, LTT_FIELD_TGID,
+ LTT_FACILITY_KERNEL, LTT_EVENT_PROCESS_FORK,
+ LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, LTT_FIELD_CHILD_TGID,
process_fork, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_PROCESS, LTT_EVENT_KERNEL_THREAD,
+ LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_KTHREAD_CREATE,
LTT_FIELD_PID, 0, 0,
process_kernel_thread, NULL, &g_array_index(hooks, LttvTraceHook,
hn++));
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_PROCESS, LTT_EVENT_EXIT,
+ LTT_FACILITY_KERNEL, LTT_EVENT_PROCESS_EXIT,
LTT_FIELD_PID, 0, 0,
process_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_PROCESS, LTT_EVENT_FREE,
+ LTT_FACILITY_KERNEL, LTT_EVENT_PROCESS_FREE,
LTT_FIELD_PID, 0, 0,
process_free, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
/* statedump-related hooks */
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_STATEDUMP, LTT_EVENT_ENUM_PROCESS_STATE,
+ LTT_FACILITY_LIST, LTT_EVENT_PROCESS_STATE,
LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME,
enum_process_state, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
ret = lttv_trace_find_hook(ts->parent.t,
- LTT_FACILITY_STATEDUMP, LTT_EVENT_STATEDUMP_END,
+ LTT_FACILITY_LIST, LTT_EVENT_STATEDUMP_END,
0, 0, 0,
statedump_end, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
if(ret) hn--;
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_FACILITY_STATEDUMP = g_quark_from_string("statedump");
+ LTT_FACILITY_LIST = g_quark_from_string("list");
LTT_FACILITY_USER_GENERIC = g_quark_from_string("user_generic");
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_KERNEL_THREAD = g_quark_from_string("kernel_thread");
- LTT_EVENT_EXIT = g_quark_from_string("exit");
- LTT_EVENT_FREE = g_quark_from_string("free");
+ LTT_EVENT_SCHED_SCHEDULE = g_quark_from_string("sched_schedule");
+ LTT_EVENT_PROCESS_FORK = g_quark_from_string("process_fork");
+ LTT_EVENT_KTHREAD_CREATE = g_quark_from_string("kthread_create");
+ LTT_EVENT_PROCESS_EXIT = g_quark_from_string("process_exit");
+ LTT_EVENT_PROCESS_FREE = g_quark_from_string("process_free");
LTT_EVENT_EXEC = g_quark_from_string("exec");
- LTT_EVENT_ENUM_PROCESS_STATE = g_quark_from_string("enumerate_process_state");
+ LTT_EVENT_PROCESS_STATE = g_quark_from_string("process_state");
LTT_EVENT_STATEDUMP_END = g_quark_from_string("statedump_end");
LTT_EVENT_FUNCTION_ENTRY = g_quark_from_string("function_entry");
LTT_EVENT_FUNCTION_EXIT = g_quark_from_string("function_exit");
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_PREV_PID = g_quark_from_string("prev_pid");
+ LTT_FIELD_NEXT_PID = g_quark_from_string("next_pid");
+ LTT_FIELD_PREV_STATE = g_quark_from_string("prev_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_TGID = g_quark_from_string("tgid");
+ LTT_FIELD_CHILD_TGID = g_quark_from_string("child_tgid");
LTT_FIELD_FILENAME = g_quark_from_string("filename");
LTT_FIELD_NAME = g_quark_from_string("name");
LTT_FIELD_TYPE = g_quark_from_string("type");
LTT_FIELD_THIS_FN = g_quark_from_string("this_fn");
LTT_FIELD_CALL_SITE = g_quark_from_string("call_site");
+ LTTV_CPU_UNKNOWN = g_quark_from_string("unknown");
+ LTTV_CPU_IDLE = g_quark_from_string("idle");
+ LTTV_CPU_BUSY = g_quark_from_string("busy");
+ LTTV_CPU_IRQ = g_quark_from_string("irq");
+ LTTV_CPU_TRAP = g_quark_from_string("trap");
+
+ LTTV_IRQ_UNKNOWN = g_quark_from_string("unknown");
+ LTTV_IRQ_IDLE = g_quark_from_string("idle");
+ LTTV_IRQ_BUSY = g_quark_from_string("busy");
}
static void module_destroy()