#include <ltt/event.h>
#include <ltt/type.h>
#include <stdio.h>
+#include <string.h>
#define PREALLOCATED_EXECUTION_STACK 10
GQuark
LTT_FACILITY_KERNEL,
+ LTT_FACILITY_KERNEL_ARCH,
LTT_FACILITY_PROCESS,
- LTT_FACILITY_FS;
+ LTT_FACILITY_FS,
+ LTT_FACILITY_STATEDUMP,
+ LTT_FACILITY_USER_GENERIC;
/* Events Quarks */
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_KERNEL_THREAD,
LTT_EVENT_EXIT,
LTT_EVENT_FREE,
- LTT_EVENT_EXEC;
+ LTT_EVENT_EXEC,
+ LTT_EVENT_ENUM_PROCESS_STATE,
+ LTT_EVENT_FUNCTION_ENTRY,
+ LTT_EVENT_FUNCTION_EXIT,
+ LTT_EVENT_THREAD_BRAND;
/* Fields Quarks */
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;
+ LTT_FIELD_TGID,
+ LTT_FIELD_FILENAME,
+ LTT_FIELD_NAME,
+ LTT_FIELD_TYPE,
+ LTT_FIELD_MODE,
+ LTT_FIELD_SUBMODE,
+ LTT_FIELD_STATUS,
+ LTT_FIELD_THIS_FN,
+ LTT_FIELD_CALL_SITE;
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,
LttvProcessStatus
LTTV_STATE_UNNAMED,
+ LTTV_STATE_UNBRANDED,
LTTV_STATE_WAIT_FORK,
LTTV_STATE_WAIT_CPU,
LTTV_STATE_EXIT,
LTTV_STATE_ZOMBIE,
LTTV_STATE_WAIT,
- LTTV_STATE_RUN;
+ LTTV_STATE_RUN,
+ LTTV_STATE_DEAD;
+
+LttvProcessType
+ LTTV_STATE_USER_THREAD,
+ LTTV_STATE_KERNEL_THREAD;
static GQuark
LTTV_STATE_TRACEFILES,
return ret;
}
+static void delete_usertrace(gpointer key, gpointer value, gpointer user_data)
+{
+ g_tree_destroy((GTree*)value);
+}
+
+static void lttv_state_free_usertraces(GHashTable *usertraces)
+{
+ g_hash_table_foreach(usertraces, delete_usertrace, NULL);
+ g_hash_table_destroy(usertraces);
+}
+
+
static void
restore_init_state(LttvTraceState *self)
guint i, nb_cpus;
LttvTracefileState *tfcs;
+
+ LttTime start_time, end_time;
/* Free the process tables */
if(self->processes != NULL) lttv_state_free_process_table(self->processes);
+ if(self->usertraces != NULL) lttv_state_free_usertraces(self->usertraces);
self->processes = g_hash_table_new(process_hash, process_equal);
+ self->usertraces = g_hash_table_new(g_direct_hash, g_direct_equal);
self->nb_event = 0;
/* Seek time to beginning */
- g_tree_destroy(self->parent.ts_context->pqueue);
- self->parent.ts_context->pqueue = g_tree_new(compare_tracefile);
+ // 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);
+ ltt_trace_time_span_get(self->parent.t, &start_time, &end_time);
+
+ //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] = lttv_state_create_process(self, NULL, i, 0, 0,
+ LTTV_STATE_UNNAMED, &start_time);
self->running_process[i]->state->s = LTTV_STATE_RUN;
self->running_process[i]->cpu = i;
}
//static LttTime time_zero = {0,0};
+static gint compare_usertraces(gconstpointer a, gconstpointer b,
+ gpointer user_data)
+{
+ const LttTime *t1 = (const LttTime *)a;
+ const LttTime *t2 = (const LttTime *)b;
+
+ return ltt_time_compare(*t1, *t2);
+}
+
+static void free_usertrace_key(gpointer data)
+{
+ g_free(data);
+}
+
static void
init(LttvTracesetState *self, LttvTraceset *ts)
{
get_max_time(tcs);
nb_tracefile = tc->tracefiles->len;
-#if 0
+ tcs->processes = NULL;
+ tcs->usertraces = NULL;
+ tcs->running_process = g_new(LttvProcessState*,
+ ltt_trace_get_num_cpu(tc->t));
+ restore_init_state(tcs);
for(j = 0 ; j < nb_tracefile ; j++) {
tfcs =
LTTV_TRACEFILE_STATE(g_array_index(tc->tracefiles,
LttvTracefileContext*, j));
tfcs->tracefile_name = ltt_tracefile_name(tfcs->parent.tf);
+ tfcs->cpu = ltt_tracefile_cpu(tfcs->parent.tf);
+#if 0
+ if(ltt_tracefile_tid(tfcs->parent.tf) != 0) {
+ /* It's a Usertrace */
+ LttvProcessState *process;
+ LttTime timestamp =
+ ltt_interpolate_time_from_tsc(tfcs->parent.tf,
+ ltt_tracefile_creation(tfcs->parent.tf));
+ process = lttv_state_find_process_or_create(
+ tcs,
+ 0, ltt_tracefile_tid(tfcs->parent.tf),
+ ×tamp);
+ process->usertrace = tfcs;
+ }
}
#endif //0
- tcs->processes = NULL;
- tcs->running_process = g_new(LttvProcessState*,
- ltt_trace_get_num_cpu(tc->t));
- restore_init_state(tcs);
+ if(ltt_tracefile_tid(tfcs->parent.tf) != 0) {
+ /* It's a Usertrace */
+ guint tid = ltt_tracefile_tid(tfcs->parent.tf);
+ GTree *usertrace_tree = (GTree*)g_hash_table_lookup(tcs->usertraces,
+ (gconstpointer)tid);
+ if(!usertrace_tree) {
+ usertrace_tree = g_tree_new_full(compare_usertraces,
+ NULL, free_usertrace_key, NULL);
+ g_hash_table_insert(tcs->usertraces,
+ (gpointer)tid, usertrace_tree);
+ }
+ LttTime *timestamp = g_new(LttTime, 1);
+ *timestamp = ltt_interpolate_time_from_tsc(tfcs->parent.tf,
+ ltt_tracefile_creation(tfcs->parent.tf));
+ g_tree_insert(usertrace_tree, timestamp, tfcs);
+ }
+ }
+
}
}
-
static void
fini(LttvTracesetState *self)
{
g_free(tcs->running_process);
tcs->running_process = NULL;
lttv_state_free_process_table(tcs->processes);
+ lttv_state_free_usertraces(tcs->usertraces);
tcs->processes = NULL;
+ tcs->usertraces = NULL;
}
LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))->
fini((LttvTracesetContext *)self);
FILE *fp = (FILE *)user_data;
guint i;
+ guint64 address;
process = (LttvProcessState *)value;
fprintf(fp,
-" <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),
+" <PROCESS CORE=%p PID=%u TGID=%u PPID=%u TYPE=\"%s\" CTIME_S=%lu CTIME_NS=%lu ITIME_S=%lu ITIME_NS=%lu NAME=\"%s\" BRAND=\"%s\" CPU=\"%u\" PROCESS_TYPE=%u>\n",
+ process, process->pid, process->tgid, process->ppid,
+ g_quark_to_string(process->type),
+ process->creation_time.tv_sec,
+ process->creation_time.tv_nsec,
+ process->insertion_time.tv_sec,
+ process->insertion_time.tv_nsec,
+ g_quark_to_string(process->name),
+ g_quark_to_string(process->brand),
process->cpu);
for(i = 0 ; i < process->execution_stack->len; i++) {
es = &g_array_index(process->execution_stack, LttvExecutionState, i);
fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu",
- g_quark_to_string(es->t), g_quark_to_string(es->n),
+ g_quark_to_string(es->t), g_quark_to_string(es->n),
es->entry.tv_sec, es->entry.tv_nsec);
fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n",
es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s));
}
+
+ for(i = 0 ; i < process->user_stack->len; i++) {
+ address = &g_array_index(process->user_stack, guint64, i);
+ fprintf(fp, " <USER_STACK ADDRESS=\"%llu\"/>\n",
+ address);
+ }
+
+ if(process->usertrace) {
+ fprintf(fp, " <USERTRACE NAME=\"%s\" CPU=%u\n/>",
+ g_quark_to_string(process->usertrace->tracefile_name),
+ process->usertrace->cpu);
+ }
+
+
fprintf(fp, " </PROCESS>\n");
}
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",
+ fprintf(fp," <CPU NUM=%u RUNNING_PROCESS=%u>\n",
i, self->running_process[i]->pid);
}
}
}
g_free(ep);
- fprintf(fp,"</PROCESS_STATE>");
+ fprintf(fp,"</PROCESS_STATE>\n");
+}
+
+
+static void write_process_state_raw(gpointer key, gpointer value,
+ gpointer user_data)
+{
+ LttvProcessState *process;
+
+ LttvExecutionState *es;
+
+ FILE *fp = (FILE *)user_data;
+
+ guint i;
+ guint64 address;
+
+ process = (LttvProcessState *)value;
+ fputc(HDR_PROCESS, fp);
+ //fwrite(&header, sizeof(header), 1, fp);
+ //fprintf(fp, "%s", g_quark_to_string(process->type));
+ //fputc('\0', fp);
+ fwrite(&process->type, sizeof(process->type), 1, fp);
+ //fprintf(fp, "%s", g_quark_to_string(process->name));
+ //fputc('\0', fp);
+ fwrite(&process->name, sizeof(process->name), 1, fp);
+ //fprintf(fp, "%s", g_quark_to_string(process->brand));
+ //fputc('\0', fp);
+ fwrite(&process->brand, sizeof(process->brand), 1, fp);
+ fwrite(&process->pid, sizeof(process->pid), 1, fp);
+ fwrite(&process->tgid, sizeof(process->tgid), 1, fp);
+ fwrite(&process->ppid, sizeof(process->ppid), 1, fp);
+ fwrite(&process->cpu, sizeof(process->cpu), 1, fp);
+ fwrite(&process->creation_time, sizeof(process->creation_time), 1, fp);
+ fwrite(&process->insertion_time, sizeof(process->insertion_time), 1, fp);
+
+#if 0
+ fprintf(fp,
+" <PROCESS CORE=%p PID=%u TGID=%u PPID=%u TYPE=\"%s\" CTIME_S=%lu CTIME_NS=%lu ITIME_S=%lu ITIME_NS=%lu NAME=\"%s\" BRAND=\"%s\" CPU=\"%u\" PROCESS_TYPE=%u>\n",
+ process, process->pid, process->tgid, process->ppid,
+ g_quark_to_string(process->type),
+ process->creation_time.tv_sec,
+ process->creation_time.tv_nsec,
+ process->insertion_time.tv_sec,
+ process->insertion_time.tv_nsec,
+ g_quark_to_string(process->name),
+ g_quark_to_string(process->brand),
+ process->cpu);
+#endif //0
+
+ for(i = 0 ; i < process->execution_stack->len; i++) {
+ es = &g_array_index(process->execution_stack, LttvExecutionState, i);
+
+ fputc(HDR_ES, fp);
+ //fprintf(fp, "%s", g_quark_to_string(es->t));
+ //fputc('\0', fp);
+ fwrite(&es->t, sizeof(es->t), 1, fp);
+ //fprintf(fp, "%s", g_quark_to_string(es->n));
+ //fputc('\0', fp);
+ fwrite(&es->n, sizeof(es->n), 1, fp);
+ //fprintf(fp, "%s", g_quark_to_string(es->s));
+ //fputc('\0', fp);
+ fwrite(&es->s, sizeof(es->s), 1, fp);
+ fwrite(&es->entry, sizeof(es->entry), 1, fp);
+ fwrite(&es->change, sizeof(es->change), 1, fp);
+#if 0
+ fprintf(fp, " <ES MODE=\"%s\" SUBMODE=\"%s\" ENTRY_S=%lu ENTRY_NS=%lu",
+ g_quark_to_string(es->t), g_quark_to_string(es->n),
+ es->entry.tv_sec, es->entry.tv_nsec);
+ fprintf(fp, " CHANGE_S=%lu CHANGE_NS=%lu STATUS=\"%s\"/>\n",
+ es->change.tv_sec, es->change.tv_nsec, g_quark_to_string(es->s));
+#endif //0
+ }
+
+ for(i = 0 ; i < process->user_stack->len; i++) {
+ address = &g_array_index(process->user_stack, guint64, i);
+ fputc(HDR_USER_STACK, fp);
+ fwrite(&address, sizeof(address), 1, fp);
+#if 0
+ fprintf(fp, " <USER_STACK ADDRESS=\"%llu\"/>\n",
+ address);
+#endif //0
+ }
+
+ if(process->usertrace) {
+ fputc(HDR_USERTRACE, fp);
+ //fprintf(fp, "%s", g_quark_to_string(process->usertrace->tracefile_name));
+ //fputc('\0', fp);
+ fwrite(&process->usertrace->tracefile_name,
+ sizeof(process->usertrace->tracefile_name), 1, fp);
+ fwrite(&process->usertrace->cpu, sizeof(process->usertrace->cpu), 1, fp);
+#if 0
+ fprintf(fp, " <USERTRACE NAME=\"%s\" CPU=%u\n/>",
+ g_quark_to_string(process->usertrace->tracefile_name),
+ process->usertrace->cpu);
+#endif //0
+ }
+
+}
+
+
+void lttv_state_write_raw(LttvTraceState *self, LttTime t, FILE *fp)
+{
+ guint i, nb_tracefile, nb_block, offset;
+ guint64 tsc;
+
+ LttvTracefileState *tfcs;
+
+ LttTracefile *tf;
+
+ 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);
+ fputc(HDR_PROCESS_STATE, fp);
+ fwrite(&t, sizeof(t), 1, fp);
+
+ g_hash_table_foreach(self->processes, write_process_state_raw, fp);
+
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+ for(i=0;i<nb_cpus;i++) {
+ fputc(HDR_CPU, fp);
+ fwrite(&i, sizeof(i), 1, fp); /* cpu number */
+ fwrite(&self->running_process[i]->pid,
+ sizeof(self->running_process[i]->pid), 1, fp);
+ //fprintf(fp," <CPU NUM=%u RUNNING_PROCESS=%u>\n",
+ // i, self->running_process[i]->pid);
+ }
+
+ nb_tracefile = self->parent.tracefiles->len;
+
+ for(i = 0 ; i < nb_tracefile ; i++) {
+ 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);
+ fputc(HDR_TRACEFILE, fp);
+ fwrite(&tfcs->parent.timestamp, sizeof(tfcs->parent.timestamp), 1, fp);
+ /* Note : if timestamp if LTT_TIME_INFINITE, there will be no
+ * position following : end of trace */
+ LttEvent *e = ltt_tracefile_get_event(tfcs->parent.tf);
+ if(e != NULL) {
+ 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);
+ fwrite(&nb_block, sizeof(nb_block), 1, fp);
+ fwrite(&offset, sizeof(offset), 1, fp);
+ fwrite(&tsc, sizeof(tsc), 1, fp);
+ }
+ }
+ g_free(ep);
+}
+
+
+/* Read process state from a file */
+
+/* Called because a HDR_PROCESS was found */
+static void read_process_state_raw(LttvTraceState *self, FILE *fp)
+{
+ LttvExecutionState *es;
+ LttvProcessState *process, *parent_process;
+ LttvProcessState tmp;
+
+ FILE *fp = (FILE *)user_data;
+
+ guint i;
+ guint64 address;
+ guint cpu;
+
+ /* TOOD : check return value */
+ fread(&tmp.type, sizeof(tmp.type), 1, fp);
+ fread(&tmp.name, sizeof(tmp.name), 1, fp);
+ fread(&tmp.brand, sizeof(tmp.brand), 1, fp);
+ fread(&tmp.pid, sizeof(tmp.pid), 1, fp);
+ fread(&tmp.tgid, sizeof(tmp.tgid), 1, fp);
+ fread(&tmp.ppid, sizeof(tmp.ppid), 1, fp);
+ fread(&tmp.cpu, sizeof(tmp.cpu), 1, fp);
+ fread(&tmp.creation_time, sizeof(tmp.creation_time), 1, fp);
+ fread(&tmp.insertion_time, sizeof(tmp.insertion_time), 1, fp);
+
+ if(tmp.pid == 0) {
+ process = lttv_state_find_process(self, tmp.cpu, tmp.pid,
+ tmp.insertion_time);
+ } else {
+ /* We must link to the parent */
+ parent_process = lttv_state_find_process_or_create(self, ANY_CPU, tmp.ppid,
+ LTT_TIME_ZERO);
+ process = lttv_state_find_process_or_create(self, ANY_CPU, tmp.pid,
+ tmp.insertion_time);
+ }
+ process->creation_time = tmp.creation_time;
+ process->type = tmp.type;
+ process->brand = tmp.brand;
+ process->tgid = tmp.tgid;
+ process->cpu = tmp.cpu;
+
+ do {
+ if(feof(fp) || ferror(fp)) goto end_loop;
+
+ hdr = fgetc(fp);
+
+ switch(hdr) {
+ case HDR_ES:
+ break;
+ case HDR_USER_STACK:
+ break;
+ case HDR_USERTRACE:
+ break;
+ case HDR_PROCESS_STATE:
+ break;
+ default:
+ ungetc(hdr, fp);
+ goto end_loop;
+ };
+ } while(1);
+end_loop:
+
}
+/* Called because a HDR_PROCESS_STATE was found */
+/* Append a saved state to the trace states */
+void lttv_state_read_raw(LttvTraceState *self, FILE *fp)
+{
+ guint i, nb_tracefile, nb_block, offset;
+ guint64 tsc;
+ LttTracefile *tf;
+
+ LttEventPosition *ep;
+
+ guint nb_cpus;
+
+ int hdr;
+
+ LttTime t;
+
+ LttvAttribute *saved_states_tree, *saved_state_tree;
+
+ LttvAttributeValue value;
+ ep = ltt_event_position_new();
+
+ restore_init_state(self);
+
+ fread(&t, sizeof(t), 1, fp);
+
+ do {
+ if(feof(fp) || ferror(fp)) goto end_loop;
+ hdr = fgetc(fp);
+
+ switch(hdr) {
+ case HDR_PROCESS:
+ /* Call read_process_state_raw */
+ read_process_state_raw(self, fp);
+ break;
+ case HDR_TRACEFILE:
+ case HDR_TRACESET:
+ case HDR_TRACE:
+ case HDR_QUARKS:
+ case HDR_QUARK:
+ case HDR_ES:
+ case HDR_USER_STACK:
+ case HDR_USERTRACE:
+ case HDR_PROCESS_STATE:
+ case HDR_CPU:
+ g_error("Error while parsing saved state file :"
+ " unexpected data header %d",
+ hdr);
+ break;
+ default:
+ g_error("Error while parsing saved state file : unknown data header %d",
+ hdr);
+ };
+ } while(1);
+end_loop:
+
+ nb_cpus = ltt_trace_get_num_cpu(self->parent.t);
+ for(i=0;i<nb_cpus;i++) {
+ int cpu_num;
+ hdr = fgetc(fp);
+ g_assert(hdr == HDR_CPU);
+ fread(&cpu_num, sizeof(cpu_num), 1, fp); /* cpu number */
+ g_assert(i == cpu_num);
+ fread(&self->running_process[i]->pid,
+ sizeof(self->running_process[i]->pid), 1, fp);
+ }
+
+ nb_tracefile = self->parent.tracefiles->len;
+
+ for(i = 0 ; i < nb_tracefile ; i++) {
+ 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);
+ hdr = fgetc(fp);
+ g_assert(hdr == HDR_TRACEFILE);
+ fread(&tfcs->parent.timestamp, sizeof(tfcs->parent.timestamp), 1, fp);
+ /* Note : if timestamp if LTT_TIME_INFINITE, there will be no
+ * position following : end of trace */
+ if(ltt_time_compare(tfcs->parent.timestamp, LTT_TIME_INFINITE) != 0) {
+ fread(&nb_block, sizeof(nb_block), 1, fp);
+ fread(&offset, sizeof(offset), 1, fp);
+ fread(&tsc, sizeof(tsc), 1, fp);
+ ltt_event_position_set(ep, tf, nb_block, offset, tsc);
+ g_assert(ltt_tracefile_seek_position(tfc->tf, ep) == 0);
+ }
+ }
+ g_free(ep);
+
+ 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) = t;
+ lttv_state_save(tcs, saved_state_tree);
+ g_debug("Saving state at time %lu.%lu", t.tv_sec,
+ self->parent.timestamp.tv_nsec);
+
+ *(self->max_time_state_recomputed_in_seek) = t;
+}
+
+/* Called when a HDR_TRACE is found */
+void lttv_trace_states_read_raw(LttvTraceState *tcs, FILE *fp)
+{
+ int hdr;
+
+ do {
+ if(feof(fp) || ferror(fp)) goto end_loop;
+ hdr = fgetc(fp);
+
+ switch(hdr) {
+ case HDR_PROCESS_STATE:
+ /* Call read_process_state_raw */
+ lttv_state_read_raw(tcs, fp);
+ break;
+ case HDR_TRACEFILE:
+ case HDR_TRACESET:
+ case HDR_TRACE:
+ case HDR_QUARKS:
+ case HDR_QUARK:
+ case HDR_ES:
+ case HDR_USER_STACK:
+ case HDR_USERTRACE:
+ case HDR_PROCESS:
+ case HDR_CPU:
+ g_error("Error while parsing saved state file :"
+ " unexpected data header %d",
+ hdr);
+ break;
+ default:
+ g_error("Error while parsing saved state file : unknown data header %d",
+ hdr);
+ };
+ } while(1);
+end_loop:
+
+ *(tcs->max_time_state_recomputed_in_seek) = tcs->parent.time_span.end_time;
+}
+
+
+
/* Copy each process from an existing hash table to a new one */
static void copy_process_state(gpointer key, gpointer value,gpointer user_data)
}
new_process->state = &g_array_index(new_process->execution_stack,
LttvExecutionState, new_process->execution_stack->len - 1);
+ new_process->user_stack = g_array_sized_new(FALSE, FALSE,
+ sizeof(guint64), 0);
+ new_process->user_stack =
+ g_array_set_size(new_process->user_stack,
+ process->user_stack->len);
+ for(i = 0 ; i < process->user_stack->len; i++) {
+ g_array_index(new_process->user_stack, guint64, i) =
+ g_array_index(process->user_stack, guint64, i);
+ }
+ new_process->current_function = process->current_function;
g_hash_table_insert(new_processes, new_process, new_process);
}
LttvAttributeName name;
+ gboolean is_named;
+
LttEventPosition *ep;
LttvTracesetContext *tsc = self->parent.ts_context;
nb_tracefile = self->parent.tracefiles->len;
- g_tree_destroy(tsc->pqueue);
- tsc->pqueue = g_tree_new(compare_tracefile);
+ //g_tree_destroy(tsc->pqueue);
+ //tsc->pqueue = g_tree_new(compare_tracefile);
for(i = 0 ; i < nb_tracefile ; i++) {
tfcs =
LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
LttvTracefileContext*, i));
- type = lttv_attribute_get(tracefiles_tree, i, &name, &value);
+ type = lttv_attribute_get(tracefiles_tree, i, &name, &value, &is_named);
g_assert(type == LTTV_GOBJECT);
tracefile_tree = *((LttvAttribute **)(value.v_gobject));
#if 0
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);
LttvAttributeName name;
+ gboolean is_named;
+
LttEventPosition *ep;
tracefiles_tree = lttv_attribute_find_subdir(container,
tfcs =
LTTV_TRACEFILE_STATE(g_array_index(self->parent.tracefiles,
LttvTracefileContext*, i));
- type = lttv_attribute_get(tracefiles_tree, i, &name, &value);
+ type = lttv_attribute_get(tracefiles_tree, i, &name, &value, &is_named);
g_assert(type == LTTV_GOBJECT);
tracefile_tree = *((LttvAttribute **)(value.v_gobject));
LttvAttributeName name;
+ gboolean is_named;
+
LttvAttribute *saved_states;
saved_states = lttv_attribute_find_subdir(self->parent.t_a,
nb = lttv_attribute_get_number(saved_states);
for(i = 0 ; i < nb ; i++) {
- type = lttv_attribute_get(saved_states, i, &name, &value);
+ type = lttv_attribute_get(saved_states, i, &name, &value, &is_named);
g_assert(type == LTTV_GOBJECT);
state_saved_free(self, *((LttvAttribute **)value.v_gobject));
}
typedef struct _LttvNameTables {
// FIXME GQuark *eventtype_names;
GQuark *syscall_names;
+ guint nb_syscalls;
GQuark *trap_names;
+ guint nb_traps;
GQuark *irq_names;
+ GQuark *soft_irq_names;
} LttvNameTables;
name_tables->eventtype_names[i] = g_quark_from_string(fe_name->str);
}
#endif //0
- if(lttv_trace_find_hook(tcs->parent.t,
- LTT_FACILITY_KERNEL, LTT_EVENT_SYSCALL_ENTRY,
+ 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);
+ NULL, NULL, &h)) {
+
+ 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 enum but currently are not!
- name_tables->syscall_names = g_new(GQuark, nb);
+ name_tables->syscall_names = g_new(GQuark, nb);
+ name_tables->nb_syscalls = nb;
- for(i = 0 ; i < nb ; i++) {
- name_tables->syscall_names[i] = g_quark_from_string(
- ltt_enum_string_get(t, i));
- }
- */
+ for(i = 0 ; i < nb ; 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);
+ //}
+ } else {
+ name_tables->syscall_names = NULL;
+ 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,
LTT_EVENT_TRAP_ENTRY,
LTT_FIELD_TRAP_ID, 0, 0,
- NULL, NULL, &h))
- return;
+ NULL, NULL, &h)) {
- thf = lttv_trace_hook_get_first(&h);
+ thf = lttv_trace_hook_get_first(&h);
- t = ltt_field_type(thf->f1);
- nb = ltt_type_element_number(t);
+ t = ltt_field_type(thf->f1);
+ //nb = ltt_type_element_number(t);
- lttv_trace_hook_destroy(&h);
+ lttv_trace_hook_destroy(&h);
- /*
- name_tables->trap_names = g_new(GQuark, nb);
- for(i = 0 ; i < nb ; i++) {
- name_tables->trap_names[i] = g_quark_from_string(
- ltt_enum_string_get(t, i));
- }
- */
-
- name_tables->trap_names = g_new(GQuark, 256);
- for(i = 0 ; i < 256 ; i++) {
- g_string_printf(fe_name, "trap %d", i);
- name_tables->trap_names[i] = g_quark_from_string(fe_name->str);
+ /*
+ name_tables->trap_names = g_new(GQuark, nb);
+ for(i = 0 ; i < nb ; i++) {
+ name_tables->trap_names[i] = g_quark_from_string(
+ ltt_enum_string_get(t, i));
+ }
+ */
+ name_tables->nb_traps = 256;
+ name_tables->trap_names = g_new(GQuark, 256);
+ for(i = 0 ; i < 256 ; i++) {
+ g_string_printf(fe_name, "trap %d", i);
+ name_tables->trap_names[i] = g_quark_from_string(fe_name->str);
+ }
+ } else {
+ name_tables->trap_names = NULL;
+ name_tables->nb_traps = 0;
}
- if(lttv_trace_find_hook(tcs->parent.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);
+ NULL, NULL, &h)) {
+
+ thf = lttv_trace_hook_get_first(&h);
+
+ t = ltt_field_type(thf->f1);
+ //nb = ltt_type_element_number(t);
- lttv_trace_hook_destroy(&h);
+ lttv_trace_hook_destroy(&h);
+ /*
+ name_tables->irq_names = g_new(GQuark, nb);
+ for(i = 0 ; i < nb ; i++) {
+ name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
+ }
+ */
+
+ name_tables->irq_names = g_new(GQuark, 256);
+ for(i = 0 ; i < 256 ; i++) {
+ g_string_printf(fe_name, "irq %d", i);
+ name_tables->irq_names[i] = g_quark_from_string(fe_name->str);
+ }
+ } else {
+ name_tables->irq_names = NULL;
+ }
/*
- name_tables->irq_names = g_new(GQuark, nb);
+ name_tables->soft_irq_names = g_new(GQuark, nb);
for(i = 0 ; i < nb ; i++) {
- name_tables->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
+ name_tables->soft_irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i));
}
*/
- name_tables->irq_names = g_new(GQuark, 256);
+ name_tables->soft_irq_names = g_new(GQuark, 256);
for(i = 0 ; i < 256 ; i++) {
- g_string_printf(fe_name, "irq %d", i);
- name_tables->irq_names[i] = g_quark_from_string(fe_name->str);
+ 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);
}
name_tables = (LttvNameTables *)*(v.v_pointer);
//tcs->eventtype_names = name_tables->eventtype_names;
tcs->syscall_names = name_tables->syscall_names;
+ tcs->nb_syscalls = name_tables->nb_syscalls;
tcs->trap_names = name_tables->trap_names;
+ tcs->nb_traps = name_tables->nb_traps;
tcs->irq_names = name_tables->irq_names;
+ tcs->soft_irq_names = name_tables->soft_irq_names;
}
*(v.v_pointer) = NULL;
// 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);
+ if(name_tables->syscall_names) g_free(name_tables->syscall_names);
+ if(name_tables->trap_names) g_free(name_tables->trap_names);
+ if(name_tables->irq_names) g_free(name_tables->irq_names);
+ if(name_tables->soft_irq_names) g_free(name_tables->soft_irq_names);
+ if(name_tables) 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;
+ guint cpu = tfs->cpu;
+
+#ifdef HASH_TABLE_DEBUG
+ hash_table_check(ts->processes);
+#endif
LttvProcessState *process = ts->running_process[cpu];
guint depth = process->execution_stack->len;
es->t = t;
es->n = state_id;
es->entry = es->change = tfs->parent.timestamp;
+ es->cum_cpu_time = ltt_time_zero;
es->s = process->state->s;
process->state = es;
}
+/* pop state
+ * return 1 when empty, else 0 */
+int lttv_state_pop_state_cleanup(LttvProcessState *process,
+ LttvTracefileState *tfs)
+{
+ guint cpu = tfs->cpu;
+ LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
+
+ guint depth = process->execution_stack->len;
+
+ if(depth == 1){
+ return 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;
+
+ return 0;
+}
static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t)
{
- guint cpu = ltt_tracefile_num(tfs->parent.tf);
+ guint cpu = tfs->cpu;
LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
LttvProcessState *process = ts->running_process[cpu];
g_info("Different execution mode type (%lu.%09lu): ignore it\n",
tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec);
g_info("process state has %s when pop_int is %s\n",
- g_quark_to_string(process->state->t),
- g_quark_to_string(t));
- g_info("{ %u, %u, %s, %s }\n",
- process->pid,
- process->ppid,
- g_quark_to_string(process->name),
- g_quark_to_string(process->state->s));
+ g_quark_to_string(process->state->t),
+ g_quark_to_string(t));
+ g_info("{ %u, %u, %s, %s, %s }\n",
+ process->pid,
+ process->ppid,
+ g_quark_to_string(process->name),
+ g_quark_to_string(process->brand),
+ g_quark_to_string(process->state->s));
return;
}
process->state->change = tfs->parent.timestamp;
}
+struct search_result {
+ const LttTime *time; /* Requested time */
+ LttTime *best; /* Best result */
+};
+
+static gint search_usertrace(gconstpointer a, gconstpointer b)
+{
+ const LttTime *elem_time = (const LttTime*)a;
+ /* Explicit non const cast */
+ struct search_result *res = (struct search_result *)b;
+
+ if(ltt_time_compare(*elem_time, *(res->time)) < 0) {
+ /* The usertrace was created before the schedchange */
+ /* Get larger keys */
+ return 1;
+ } else if(ltt_time_compare(*elem_time, *(res->time)) >= 0) {
+ /* The usertrace was created after the schedchange time */
+ /* Get smaller keys */
+ if(res->best) {
+ if(ltt_time_compare(*elem_time, *res->best) < 0) {
+ res->best = elem_time;
+ }
+ } else {
+ res->best = elem_time;
+ }
+ return -1;
+ }
+ return 0;
+}
+
+static LttvTracefileState *ltt_state_usertrace_find(LttvTraceState *tcs,
+ guint pid, const LttTime *timestamp)
+{
+ LttvTracefileState *tfs = NULL;
+ struct search_result res;
+ /* Find the usertrace associated with a pid and time interval.
+ * Search in the usertraces by PID (within a hash) and then, for each
+ * corresponding element of the array, find the first one with creation
+ * timestamp the lowest, but higher or equal to "timestamp". */
+ res.time = timestamp;
+ res.best = NULL;
+ GTree *usertrace_tree = g_hash_table_lookup(tcs->usertraces, (gpointer)pid);
+ if(usertrace_tree) {
+ g_tree_search(usertrace_tree, search_usertrace, &res);
+ if(res.best)
+ tfs = g_tree_lookup(usertrace_tree, res.best);
+ }
+
+ return tfs;
+}
+
LttvProcessState *
lttv_state_create_process(LttvTraceState *tcs, LttvProcessState *parent,
- guint cpu, guint pid, const LttTime *timestamp)
+ guint cpu, guint pid, guint tgid, GQuark name, const LttTime *timestamp)
{
LttvProcessState *process = g_new(LttvProcessState, 1);
char buffer[128];
process->pid = pid;
+ process->tgid = tgid;
process->cpu = cpu;
+ process->name = name;
+ process->brand = LTTV_STATE_UNBRANDED;
//process->last_cpu = tfs->cpu_name;
//process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)tfs)->tf);
+ process->type = LTTV_STATE_USER_THREAD;
+ process->usertrace = ltt_state_usertrace_find(tcs, pid, timestamp);
+ process->current_function = 0; //function 0x0 by default.
+
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 = *timestamp;
}
else {
process->ppid = 0;
- process->name = LTTV_STATE_UNNAMED;
process->creation_time = ltt_time_zero;
}
process->insertion_time = *timestamp;
sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec,
- process->creation_time.tv_nsec);
+ process->creation_time.tv_nsec);
process->pid_time = g_quark_from_string(buffer);
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);
- process->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->entry = *timestamp;
//g_assert(timestamp->tv_sec != 0);
es->change = *timestamp;
- es->s = LTTV_STATE_WAIT_FORK;
+ es->cum_cpu_time = ltt_time_zero;
+ 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->cum_cpu_time = ltt_time_zero;
+ es->s = LTTV_STATE_WAIT_FORK;
+
+ /* Allocate an empty function call stack. If it's empty, use 0x0. */
+ process->user_stack = g_array_sized_new(FALSE, FALSE,
+ sizeof(guint64), 0);
+
return process;
}
LttTime *timestamp)
{
LttvProcessState *process = lttv_state_find_process(ts, cpu, pid);
+ LttvExecutionState *es;
/* Put ltt_time_zero creation time for unexisting processes */
- if(unlikely(process == NULL)) process = lttv_state_create_process(ts,
- NULL, cpu, pid, timestamp);
+ if(unlikely(process == NULL)) {
+ process = lttv_state_create_process(ts,
+ NULL, cpu, pid, 0, LTTV_STATE_UNNAMED, timestamp);
+ /* We are not sure is it's a kernel thread or normal thread, put the
+ * bottom stack state to unknown */
+ es = &g_array_index(process->execution_stack, LttvExecutionState, 0);
+ es->t = LTTV_STATE_MODE_UNKNOWN;
+ }
return process;
}
key.cpu = process->cpu;
g_hash_table_remove(ts->processes, &key);
g_array_free(process->execution_stack, TRUE);
+ g_array_free(process->user_stack, TRUE);
g_free(process);
}
static void free_process_state(gpointer key, gpointer value,gpointer user_data)
{
g_array_free(((LttvProcessState *)value)->execution_stack, TRUE);
+ g_array_free(((LttvProcessState *)value)->user_stack, TRUE);
g_free(value);
}
LttvExecutionSubmode submode;
- submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[
- ltt_event_get_unsigned(e, f)];
+ guint nb_syscalls = ((LttvTraceState *)(s->parent.t_context))->nb_syscalls;
+ guint syscall = ltt_event_get_unsigned(e, f);
+
+ if(syscall < nb_syscalls) {
+ submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[
+ syscall];
+ } else {
+ /* Fixup an incomplete syscall table */
+ GString *string = g_string_new("");
+ g_string_printf(string, "syscall %u", syscall);
+ submode = g_quark_from_string(string->str);
+ g_string_free(string, TRUE);
+ }
push_state(s, LTTV_STATE_SYSCALL, submode);
return FALSE;
}
LttvExecutionSubmode submode;
- submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[
- ltt_event_get_unsigned(e, f)];
+ guint64 nb_traps = ((LttvTraceState *)(s->parent.t_context))->nb_traps;
+ guint64 trap = ltt_event_get_long_unsigned(e, f);
+
+ if(trap < nb_traps) {
+ submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[trap];
+ } else {
+ /* Fixup an incomplete trap table */
+ GString *string = g_string_new("");
+ g_string_printf(string, "trap %llu", trap);
+ submode = g_quark_from_string(string->str);
+ g_string_free(string, TRUE);
+ }
+
push_state(s, LTTV_STATE_TRAP, submode);
return FALSE;
}
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 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_long_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 void push_function(LttvTracefileState *tfs, guint64 funcptr)
+{
+ guint64 *new_func;
+
+ LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
+ guint cpu = tfs->cpu;
+ LttvProcessState *process = ts->running_process[cpu];
+
+ guint depth = process->user_stack->len;
+
+ process->user_stack =
+ g_array_set_size(process->user_stack, depth + 1);
+
+ new_func = &g_array_index(process->user_stack, guint64, depth);
+ *new_func = funcptr;
+ process->current_function = funcptr;
+}
+
+static void pop_function(LttvTracefileState *tfs, guint64 funcptr)
+{
+ guint cpu = tfs->cpu;
+ LttvTraceState *ts = (LttvTraceState*)tfs->parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+
+ if(process->current_function != funcptr){
+ g_info("Different functions (%lu.%09lu): ignore it\n",
+ tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec);
+ g_info("process state has %llu when pop_function is %llu\n",
+ process->current_function, funcptr);
+ g_info("{ %u, %u, %s, %s, %s }\n",
+ process->pid,
+ process->ppid,
+ g_quark_to_string(process->name),
+ g_quark_to_string(process->brand),
+ g_quark_to_string(process->state->s));
+ return;
+ }
+ guint depth = process->user_stack->len;
+
+ if(depth == 0){
+ g_info("Trying to pop last function on stack (%lu.%09lu): ignore it\n",
+ tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec);
+ return;
+ }
+
+ process->user_stack =
+ g_array_set_size(process->user_stack, depth - 1);
+ process->current_function =
+ g_array_index(process->user_stack, guint64, depth - 2);
+}
+
+
+static gboolean function_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(thf->f1 != NULL);
+ LttField *f = thf->f1;
+ guint64 funcptr = ltt_event_get_long_unsigned(e, f);
+
+ push_function(s, funcptr);
+ return FALSE;
+}
+
+static gboolean function_exit(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(thf->f1 != NULL);
+ LttField *f = thf->f1;
+ guint64 funcptr = ltt_event_get_long_unsigned(e, f);
+
+ LttvExecutionSubmode submode;
+
+ pop_function(s, funcptr);
+ return FALSE;
+}
static gboolean schedchange(void *hook_data, void *call_data)
{
LttvTracefileState *s = (LttvTracefileState *)call_data;
- guint cpu = ltt_tracefile_num(s->parent.tf);
+ guint cpu = s->cpu;
LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
LttvProcessState *process = ts->running_process[cpu];
+ LttvProcessState *old_process = ts->running_process[cpu];
LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
the wrongly attributed statistics. */
//This test only makes sense once the state is known and if there is no
- //missing events.
+ //missing events. We need to silently ignore schedchange coming after a
+ //process_free, or it causes glitches. (FIXME)
//if(unlikely(process->pid != pid_out)) {
// g_assert(process->pid == 0);
//}
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)) process->state->s = LTTV_STATE_WAIT_CPU;
else 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, process);
-
- process->state->change = s->parent.timestamp;
+ process->state->change = s->parent.timestamp;
+ }
+
+ if(state_out == 32)
+ exit_process(s, process); /* EXIT_DEAD */
+ /* see sched.h for states */
}
process = ts->running_process[cpu] =
lttv_state_find_process_or_create(
&s->parent.timestamp);
process->state->s = LTTV_STATE_RUN;
process->cpu = cpu;
+ if(process->usertrace)
+ process->usertrace->cpu = cpu;
// process->last_cpu_index = ltt_tracefile_num(((LttvTracefileContext*)s)->tf);
process->state->change = s->parent.timestamp;
return FALSE;
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;
+ guint child_pid; /* In the Linux Kernel, there is one PID per thread. */
+ guint child_tgid; /* tgid in the Linux kernel is the "real" POSIX PID. */
LttvProcessState *zombie_process;
- guint cpu = ltt_tracefile_num(s->parent.tf);
+ guint cpu = s->cpu;
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);
+ parent_pid = ltt_event_get_unsigned(e, thf->f1);
/* Child PID */
- f = thf->f2;
- child_pid = ltt_event_get_unsigned(e, f);
-
+ child_pid = ltt_event_get_unsigned(e, thf->f2);
+ s->parent.target_pid = child_pid;
+
+ /* Child TGID */
+ if(thf->f3) child_tgid = ltt_event_get_unsigned(e, thf->f3);
+ else child_tgid = 0;
+
+ /* 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 : 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);
}
+#endif //0
g_assert(process->pid != child_pid);
// FIXME : Add this test in the "known state" section
// g_assert(process->pid == parent_pid);
- lttv_state_create_process(ts, process, cpu, child_pid, &s->parent.timestamp);
+ child_process = lttv_state_find_process(ts, ANY_CPU, child_pid);
+ if(child_process == NULL) {
+ child_process = lttv_state_create_process(ts, process, cpu,
+ child_pid, child_tgid,
+ LTTV_STATE_UNNAMED, &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;
+ child_process->tgid = child_tgid;
+ }
+ g_assert(child_process->name == LTTV_STATE_UNNAMED);
+ child_process->name = process->name;
+ child_process->brand = process->brand;
return FALSE;
}
+/* We stamp a newly created process as kernel_thread */
+static gboolean process_kernel_thread(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;
+ guint pid;
+ guint cpu = s->cpu;
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttvProcessState *process;
+ LttvExecutionState *es;
+
+ /* PID */
+ pid = ltt_event_get_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);
+ es->t = LTTV_STATE_SYSCALL;
+ process->type = LTTV_STATE_KERNEL_THREAD;
+
+ return FALSE;
+}
static gboolean process_exit(void *hook_data, void *call_data)
{
LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
LttField *f;
guint pid;
- guint cpu = ltt_tracefile_num(s->parent.tf);
+ guint cpu = s->cpu;
LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
- LttvProcessState *process = ts->running_process[cpu];
+ LttvProcessState *process; // = ts->running_process[cpu];
pid = ltt_event_get_unsigned(e, thf->f1);
+ s->parent.target_pid = pid;
// FIXME : Add this test in the "known state" section
// g_assert(process->pid == pid);
+ process = lttv_state_find_process(ts, ANY_CPU, pid);
if(likely(process != NULL)) {
process->state->s = LTTV_STATE_EXIT;
}
/* PID of the process to release */
release_pid = ltt_event_get_unsigned(e, thf->f1);
+ s->parent.target_pid = release_pid;
+
+ g_assert(release_pid != 0);
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;
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);
+ //gchar *name;
+ guint cpu = s->cpu;
LttvProcessState *process = ts->running_process[cpu];
/* PID of the process to release */
- name = ltt_event_get_string(e, thf->f1);
+ 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);
+ process->brand = LTTV_STATE_UNBRANDED;
+ g_free(null_term_name);
+ return FALSE;
+}
+
+static gboolean thread_brand(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);
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ gchar *name;
+ guint cpu = s->cpu;
+ LttvProcessState *process = ts->running_process[cpu];
- process->name = g_quark_from_string(name);
+ name = ltt_event_get_string(e, thf->f1);
+ process->brand = g_quark_from_string(name);
return FALSE;
}
+static gboolean enum_process_state(void *hook_data, void *call_data)
+{
+ LttvTracefileState *s = (LttvTracefileState *)call_data;
+ LttEvent *e = ltt_tracefile_get_event(s->parent.tf);
+ //It's slow : optimise later by doing this before reading trace.
+ LttEventType *et = ltt_event_eventtype(e);
+ //
+ LttvTraceHookByFacility *thf = (LttvTraceHookByFacility *)hook_data;
+ guint parent_pid;
+ guint pid;
+ guint tgid;
+ gchar * command;
+ guint cpu = s->cpu;
+ LttvTraceState *ts = (LttvTraceState*)s->parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+ LttvProcessState *parent_process;
+ LttField *f4, *f5, *f6, *f7, *f8;
+ GQuark type, mode, submode, status;
+ LttvExecutionState *es;
-
+ /* PID */
+ pid = ltt_event_get_unsigned(e, thf->f1);
+ s->parent.target_pid = pid;
+
+ /* Parent PID */
+ parent_pid = ltt_event_get_unsigned(e, thf->f2);
+
+ /* Command name */
+ command = ltt_event_get_string(e, thf->f3);
+
+ /* type */
+ f4 = ltt_eventtype_field_by_name(et, LTT_FIELD_TYPE);
+ type = ltt_enum_string_get(ltt_field_type(f4),
+ ltt_event_get_unsigned(e, f4));
+
+ /* mode */
+ f5 = ltt_eventtype_field_by_name(et, LTT_FIELD_MODE);
+ mode = ltt_enum_string_get(ltt_field_type(f5),
+ ltt_event_get_unsigned(e, f5));
+
+ /* submode */
+ f6 = ltt_eventtype_field_by_name(et, LTT_FIELD_SUBMODE);
+ submode = ltt_enum_string_get(ltt_field_type(f6),
+ ltt_event_get_unsigned(e, f6));
+
+ /* status */
+ f7 = ltt_eventtype_field_by_name(et, LTT_FIELD_STATUS);
+ status = ltt_enum_string_get(ltt_field_type(f7),
+ ltt_event_get_unsigned(e, f7));
+
+ /* TGID */
+ f8 = ltt_eventtype_field_by_name(et, LTT_FIELD_TGID);
+ if(f8) tgid = ltt_event_get_unsigned(e, f8);
+ else tgid = 0;
+
+ /* The process might exist if a process was forked while performing the state
+ * dump. */
+ process = lttv_state_find_process(ts, ANY_CPU, pid);
+ if(process == NULL) {
+ parent_process = lttv_state_find_process(ts, ANY_CPU, parent_pid);
+ process = lttv_state_create_process(ts, parent_process, cpu,
+ pid, tgid, g_quark_from_string(command),
+ &s->parent.timestamp);
+
+ /* Keep the stack bottom : a running user mode */
+ /* Disabled because of inconsistencies in the current statedump states. */
+ if(type == LTTV_STATE_KERNEL_THREAD) {
+ /* Only keep the bottom */
+ 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;
+ es->s = status;
+ es->n = submode;
+ } else {
+ /* On top of it : */
+ es = process->state = &g_array_index(process->execution_stack,
+ LttvExecutionState, 1);
+ es->t = LTTV_STATE_USER_MODE;
+ es->s = status;
+ es->n = submode;
+ }
+#if 0
+ /* UNKNOWN STATE */
+ {
+ es = process->state = &g_array_index(process->execution_stack,
+ LttvExecutionState, 1);
+ es->t = LTTV_STATE_MODE_UNKNOWN;
+ es->s = LTTV_STATE_UNNAMED;
+ es->n = LTTV_STATE_SUBMODE_UNKNOWN;
+ }
+#endif //0
+ } else {
+ /* The process has already been created :
+ * Probably was forked while dumping the process state or
+ * was simply scheduled in prior to get the state dump event.
+ * We know for sure if it is a user space thread.
+ */
+ process->ppid = parent_pid;
+ process->tgid = tgid;
+ process->name = g_quark_from_string(command);
+ es = &g_array_index(process->execution_stack, LttvExecutionState, 0);
+ if(type != LTTV_STATE_KERNEL_THREAD)
+ es->t = LTTV_STATE_USER_MODE;
+ /* Don't mess around with the stack, it will eventually become
+ * ok after the end of state dump. */
+ }
+
+ return FALSE;
+}
gint lttv_state_hook_add_event_hooks(void *hook_data, void *call_data)
{
LttvAttributeValue val;
gint ret;
+ gint hn;
nb_trace = lttv_traceset_number(traceset);
for(i = 0 ; i < nb_trace ; i++) {
/* 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), 18);
+ hooks = g_array_set_size(hooks, 18); // Max possible number of hooks.
+ hn = 0;
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);
+ syscall_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
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);
+ syscall_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
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);
+ 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,
0, 0, 0,
- trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, 3));
- g_assert(!ret);
+ trap_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
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);
+ irq_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
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);
+ irq_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
+
+ 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, hn++));
+ if(ret) hn--;
+
+ 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, 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,
- schedchange, NULL, &g_array_index(hooks, LttvTraceHook, 6));
- g_assert(!ret);
+ 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, 0,
- process_fork, NULL, &g_array_index(hooks, LttvTraceHook, 7));
- g_assert(!ret);
+ LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID, LTT_FIELD_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_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_FIELD_PID, 0, 0,
- process_exit, NULL, &g_array_index(hooks, LttvTraceHook, 8));
- g_assert(!ret);
+ 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_FIELD_PID, 0, 0,
- process_free, NULL, &g_array_index(hooks, LttvTraceHook, 9));
- g_assert(!ret);
+ process_free, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
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));
- g_assert(!ret);
+ process_exec, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_USER_GENERIC, LTT_EVENT_THREAD_BRAND,
+ LTT_FIELD_NAME, 0, 0,
+ thread_brand, 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_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_USER_GENERIC, LTT_EVENT_FUNCTION_ENTRY,
+ LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE, 0,
+ function_entry, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
+
+ ret = lttv_trace_find_hook(ts->parent.t,
+ LTT_FACILITY_USER_GENERIC, LTT_EVENT_FUNCTION_EXIT,
+ LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE, 0,
+ function_exit, NULL, &g_array_index(hooks, LttvTraceHook, hn++));
+ if(ret) hn--;
+ hooks = g_array_set_size(hooks, hn);
+
/* Add these hooks to each event_by_id hooks list */
nb_tracefile = ts->parent.tracefiles->len;
}
}
}
- lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val);
+ lttv_attribute_find(ts->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val);
*(val.v_pointer) = hooks;
}
}
return 0;
}
-static guint test_event_count = 0;
void lttv_state_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_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val);
+ lttv_attribute_find(ts->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val);
hooks = *(val.v_pointer);
/* Remove these hooks from each event_by_id hooks list */
lttv_trace_hook_destroy(&g_array_index(hooks, LttvTraceHook, k));
g_array_free(hooks, TRUE);
}
- g_info("EVENT COUNT TEST : %u", test_event_count);
}
static gboolean state_save_event_hook(void *hook_data, void *call_data)
{
guint *event_count = (guint*)hook_data;
- test_event_count++;
/* Only save at LTTV_STATE_SAVE_INTERVAL */
if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL))
return FALSE;
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;
+}
+
+guint lttv_state_current_cpu(LttvTracefileState *tfs)
+{
+ return tfs->cpu;
+}
+
+
+
#if 0
static gboolean block_start(void *hook_data, void *call_data)
{
lttv_state_save(tcs, saved_state_tree);
tcs->nb_event = 0;
g_debug("Saving state at time %lu.%lu", self->parent.timestamp.tv_sec,
- self->parent.timestamp.tv_nsec);
+ self->parent.timestamp.tv_nsec);
}
*(tcs->max_time_state_recomputed_in_seek) = self->parent.timestamp;
return FALSE;
ts = (LttvTraceState *)self->parent.traces[i];
lttv_trace_find_hook(ts->parent.t, "core","block_start",NULL,
- NULL, NULL, block_start, &hook_start);
+ NULL, NULL, block_start, &hook_start);
lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL,
- NULL, NULL, block_end, &hook_end);
+ NULL, NULL, block_end, &hook_end);
nb_tracefile = ts->parent.tracefiles->len;
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);
}
}
}
}
}
+
+ 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)
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);
+ NULL, NULL, block_start, &hook_start);
lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL,
- NULL, NULL, block_end, &hook_end);
+ NULL, NULL, block_end, &hook_end);
nb_tracefile = ts->parent.tracefiles->len;
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;
+ guint *event_count = NULL;
for(j = 0 ; j < nb_tracefile ; j++) {
tfs =
LttvTracefileContext*, j));
event_count = lttv_hooks_remove(tfs->parent.event,
state_save_event_hook);
-
}
- g_free(event_count);
+ if(event_count) g_free(event_count);
}
}
LttvAttributeName name;
+ gboolean is_named;
+
LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree;
- g_tree_destroy(self->parent.pqueue);
- self->parent.pqueue = g_tree_new(compare_tracefile);
+ //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);
max_pos = lttv_attribute_get_number(saved_states_tree) - 1;
mid_pos = max_pos / 2;
while(min_pos < max_pos) {
- type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value);
+ type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value,
+ &is_named);
g_assert(type == LTTV_GOBJECT);
saved_state_tree = *((LttvAttribute **)(value.v_gobject));
type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME,
static void module_init()
{
- LTTV_STATE_UNNAMED = g_quark_from_string("unnamed");
- LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("unknown execution mode");
- LTTV_STATE_USER_MODE = g_quark_from_string("user mode");
- LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork");
- 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_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_EXIT = g_quark_from_string("exiting");
- 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_UNNAMED = g_quark_from_string("UNNAMED");
+ LTTV_STATE_UNBRANDED = g_quark_from_string("UNBRANDED");
+ LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("MODE_UNKNOWN");
+ LTTV_STATE_USER_MODE = g_quark_from_string("USER_MODE");
+ LTTV_STATE_SYSCALL = g_quark_from_string("SYSCALL");
+ 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");
+ LTTV_STATE_SUBMODE_NONE = g_quark_from_string("NONE");
+ LTTV_STATE_WAIT_FORK = g_quark_from_string("WAIT_FORK");
+ LTTV_STATE_WAIT_CPU = g_quark_from_string("WAIT_CPU");
+ LTTV_STATE_EXIT = g_quark_from_string("EXIT");
+ LTTV_STATE_ZOMBIE = g_quark_from_string("ZOMBIE");
+ LTTV_STATE_WAIT = g_quark_from_string("WAIT");
+ LTTV_STATE_RUN = g_quark_from_string("RUN");
+ LTTV_STATE_DEAD = g_quark_from_string("DEAD");
+ LTTV_STATE_USER_THREAD = g_quark_from_string("USER_THREAD");
+ LTTV_STATE_KERNEL_THREAD = g_quark_from_string("KERNEL_THREAD");
LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles");
LTTV_STATE_PROCESSES = g_quark_from_string("processes");
LTTV_STATE_PROCESS = g_quark_from_string("process");
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_USER_GENERIC = g_quark_from_string("user_generic");
LTT_EVENT_SYSCALL_ENTRY = g_quark_from_string("syscall_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_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_EXEC = g_quark_from_string("exec");
+ LTT_EVENT_ENUM_PROCESS_STATE = g_quark_from_string("enumerate_process_state");
+ LTT_EVENT_FUNCTION_ENTRY = g_quark_from_string("function_entry");
+ LTT_EVENT_FUNCTION_EXIT = g_quark_from_string("function_exit");
+ LTT_EVENT_THREAD_BRAND = g_quark_from_string("thread_brand");
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_TGID = g_quark_from_string("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_MODE = g_quark_from_string("mode");
+ LTT_FIELD_SUBMODE = g_quark_from_string("submode");
+ LTT_FIELD_STATUS = g_quark_from_string("status");
+ LTT_FIELD_THIS_FN = g_quark_from_string("this_fn");
+ LTT_FIELD_CALL_SITE = g_quark_from_string("call_site");
}
projects / lttv.git / blobdiff