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[lttv.git] / ltt / branches / poly / lttv / lttv / state.c
diff --git a/ltt/branches/poly/lttv/lttv/state.c b/ltt/branches/poly/lttv/lttv/state.c
index 52815dd922dfd4335c287f5e974c74934ad6e944..18518e87f557fcb5636df6c17fdf9c6c65a3051d 100644 (file)
--- a/ltt/branches/poly/lttv/lttv/state.c
+++ b/ltt/branches/poly/lttv/lttv/state.c
@@ -35,6 +35,7 @@
 
 GQuark
     LTT_FACILITY_KERNEL,
+    LTT_FACILITY_KERNEL_ARCH,
     LTT_FACILITY_PROCESS,
     LTT_FACILITY_FS;
 
@@ -47,6 +48,8 @@ GQuark
     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,
@@ -59,6 +62,7 @@ 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,
@@ -72,7 +76,8 @@ LttvExecutionMode
   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,
@@ -727,6 +732,7 @@ typedef struct _LttvNameTables {
   GQuark *syscall_names;
   GQuark *trap_names;
   GQuark *irq_names;
+  GQuark *soft_irq_names;
 } LttvNameTables;
 
 
@@ -768,7 +774,7 @@ create_name_tables(LttvTraceState *tcs)
   }
 #endif //0
   if(lttv_trace_find_hook(tcs->parent.t,
-      LTT_FACILITY_KERNEL, LTT_EVENT_SYSCALL_ENTRY,
+      LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_ENTRY,
       LTT_FIELD_SYSCALL_ID, 0, 0,
       NULL, NULL, &h))
     return;
@@ -780,20 +786,17 @@ create_name_tables(LttvTraceState *tcs)
   
   lttv_trace_hook_destroy(&h);
 
-  /* CHECK syscalls should be an enum 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);
+  //}
 
   if(lttv_trace_find_hook(tcs->parent.t, LTT_FACILITY_KERNEL,
         LTT_EVENT_TRAP_ENTRY,
@@ -804,7 +807,7 @@ create_name_tables(LttvTraceState *tcs)
   thf = lttv_trace_hook_get_first(&h);
 
   t = ltt_field_type(thf->f1);
-  nb = ltt_type_element_number(t);
+  //nb = ltt_type_element_number(t);
 
   lttv_trace_hook_destroy(&h);
 
@@ -831,7 +834,7 @@ create_name_tables(LttvTraceState *tcs)
   thf = lttv_trace_hook_get_first(&h);
   
   t = ltt_field_type(thf->f1);
-  nb = ltt_type_element_number(t);
+  //nb = ltt_type_element_number(t);
 
   lttv_trace_hook_destroy(&h);
 
@@ -848,6 +851,20 @@ create_name_tables(LttvTraceState *tcs)
     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);
 }
 
@@ -867,6 +884,7 @@ get_name_tables(LttvTraceState *tcs)
   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;
 }
 
 
@@ -886,6 +904,7 @@ free_name_tables(LttvTraceState *tcs)
   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);
 } 
 
@@ -1179,6 +1198,37 @@ static gboolean irq_exit(void *hook_data, void *call_data)
   return FALSE;
 }
 
+static gboolean soft_irq_entry(void *hook_data, void *call_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;
+
+  pop_state(s, LTTV_STATE_SOFT_IRQ);
+  return FALSE;
+}
+
 
 static gboolean schedchange(void *hook_data, void *call_data)
 {
@@ -1375,15 +1425,22 @@ static gboolean process_exec(void *hook_data, void *call_data)
   LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
   LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
   LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
-  gchar *name;
+  //gchar *name;
   guint cpu = ltt_tracefile_num(s->parent.tf);
   LttvProcessState *process = ts->running_process[cpu];
 
   /* PID of the process to release */
-  name = ltt_event_get_string(e, thf->f1);
-
-  process->name = g_quark_from_string(name);
-
+  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;
 }
 
@@ -1426,17 +1483,17 @@ void lttv_state_add_event_hooks(LttvTracesetState *self)
     /* Find the eventtype id for the following events and register the
        associated by id hooks. */
 
-    hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 11);
-    hooks = g_array_set_size(hooks, 11);
+    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, LTT_EVENT_SYSCALL_ENTRY,
+        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, LTT_EVENT_SYSCALL_EXIT,
+        LTT_FACILITY_KERNEL_ARCH, LTT_EVENT_SYSCALL_EXIT,
         0, 0, 0,
         syscall_exit, NULL, &g_array_index(hooks, LttvTraceHook, 1));
     g_assert(!ret);
@@ -1465,34 +1522,46 @@ void lttv_state_add_event_hooks(LttvTracesetState *self)
         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, 6));
+        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, 7));
+        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, 8));
+        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, 9));
+        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, 10));
+        process_exec, NULL, &g_array_index(hooks, LttvTraceHook, 12));
     g_assert(!ret);
 
 
@@ -1866,7 +1935,7 @@ void lttv_state_save_remove_event_hooks(LttvTracesetState *self)
     ts = (LttvTraceState *)self->parent.traces[i];
     nb_tracefile = ts->parent.tracefiles->len;
 
-    guint *event_count;
+    guint *event_count = NULL;
 
     for(j = 0 ; j < nb_tracefile ; j++) {
       tfs = 
@@ -1875,7 +1944,7 @@ void lttv_state_save_remove_event_hooks(LttvTracesetState *self)
       event_count = lttv_hooks_remove(tfs->parent.event,
                         state_save_event_hook);
     }
-    g_free(event_count);
+    if(event_count) g_free(event_count);
   }
 }
 
@@ -2125,6 +2194,7 @@ static void module_init()
   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");
@@ -2148,6 +2218,7 @@ static void module_init()
 
   
   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");
 
@@ -2158,6 +2229,8 @@ static void module_init()
   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");
@@ -2168,6 +2241,7 @@ static void module_init()
   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");
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