X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Fstate.c;h=823bbe78aeb96a83359f8618764f0c7cce90b4a7;hb=8743690d339401db862834d50f9b6bbd1268271f;hp=cf7b0b00fe5f4e93447376f2408f98fddf4a0206;hpb=5fe0b9ca3ca6a7ca1ed57c73f16ba2496c41dfc4;p=lttv.git diff --git a/ltt/branches/poly/lttv/lttv/state.c b/ltt/branches/poly/lttv/lttv/state.c index cf7b0b00..823bbe78 100644 --- a/ltt/branches/poly/lttv/lttv/state.c +++ b/ltt/branches/poly/lttv/lttv/state.c @@ -47,9 +47,8 @@ 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 */ @@ -63,13 +62,13 @@ GQuark 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, @@ -82,13 +81,14 @@ GQuark 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, @@ -127,6 +127,18 @@ LttvProcessType 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, @@ -376,7 +388,8 @@ end: 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; @@ -406,10 +419,26 @@ init(LttvTracesetState *self, LttvTraceset *ts) 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; jcpu_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; jirq_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 = @@ -417,6 +446,7 @@ init(LttvTracesetState *self, LttvTraceset *ts) 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); @@ -1436,7 +1466,7 @@ create_name_tables(LttvTraceState *tcs) 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)) { @@ -1575,6 +1605,47 @@ static void hash_table_check(GHashTable *table) #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) @@ -1934,22 +2005,29 @@ static gboolean trap_entry(void *hook_data, void *call_data) } 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); @@ -1976,6 +2054,14 @@ static gboolean irq_entry(void *hook_data, void *call_data) /* 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; } @@ -1992,8 +2078,16 @@ static gboolean soft_irq_exit(void *hook_data, void *call_data) 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; } @@ -2124,11 +2218,11 @@ static gboolean schedchange(void *hook_data, void *call_data) 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)) { @@ -2181,6 +2275,13 @@ static gboolean schedchange(void *hook_data, void *call_data) 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; } @@ -2271,10 +2372,11 @@ static gboolean process_kernel_thread(void *hook_data, void *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); + 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 = @@ -2366,6 +2468,7 @@ static gboolean process_exec(void *hook_data, void *call_data) 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); @@ -2375,10 +2478,12 @@ static gboolean process_exec(void *hook_data, void *call_data) 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; } @@ -2686,13 +2791,13 @@ void lttv_state_add_event_hooks(LttvTracesetState *self) 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--; @@ -2722,32 +2827,32 @@ void lttv_state_add_event_hooks(LttvTracesetState *self) 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--; @@ -2766,13 +2871,13 @@ void lttv_state_add_event_hooks(LttvTracesetState *self) /* 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--; @@ -3462,9 +3567,8 @@ 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"); - 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"); @@ -3476,13 +3580,13 @@ static void module_init() 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"); @@ -3493,13 +3597,14 @@ static void module_init() 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"); @@ -3509,6 +3614,15 @@ static void module_init() 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()