/**
* help_for_event - output event name and description
* @param i event number
*
* output an help string for the event @i
*/
static void help_for_event(struct op_event * event)
{
uint i, j;
uint mask;
size_t nr_counters = op_get_nr_counters(cpu_type);
printf("%s", event->name);
printf(": (counter: ");
mask = event->counter_mask;
if (hweight(mask) == nr_counters) {
printf("all");
} else {
for (i = 0; i < CHAR_BIT * sizeof(event->counter_mask); ++i) {
if (mask & (1 << i)) {
printf("%d", i);
mask &= ~(1 << i);
if (mask)
printf(", ");
}
}
}
printf(")\n\t%s (min count: %d)\n", event->desc, event->min_count);
if (strcmp(event->unit->name, "zero")) {
printf("\tUnit masks (default 0x%x)\n",
event->unit->default_mask);
printf("\t----------\n");
for (j = 0; j < event->unit->num; j++) {
printf("\t0x%.2x: %s\n",
event->unit->um[j].value,
event->unit->um[j].desc);
}
}
}
/**
* help_for_event - output event name and description
* @param i event number
*
* output an help string for the event @i
*/
static void help_for_event(struct op_event * event)
{
int column;
uint i, j;
uint mask;
size_t nr_counters;
char buf[32];
do_arch_specific_event_help(event);
nr_counters = op_get_nr_counters(cpu_type);
/* Sanity check */
if (!event)
return;
printf("%s", event->name);
if(event->counter_mask != 0) {
printf(": (counter: ");
mask = event->counter_mask;
if (hweight(mask) == nr_counters) {
printf("all");
} else {
for (i = 0; i < CHAR_BIT * sizeof(event->counter_mask); ++i) {
if (mask & (1 << i)) {
printf("%d", i);
mask &= ~(1 << i);
if (mask)
printf(", ");
}
}
}
} else if (event->ext != NULL) {
/* Handling extended feature interface */
printf(": (ext: %s", event->ext);
} else {
/* Handling arch_perfmon case */
printf(": (counter: all");
}
printf(")\n\t");
column = 8;
word_wrap(8, &column, event->desc);
snprintf(buf, sizeof buf, " (min count: %d)", event->min_count);
word_wrap(8, &column, buf);
putchar('\n');
if (strcmp(event->unit->name, "zero")) {
if (event->unit->default_mask_name) {
printf("\tUnit masks (default %s)\n",
event->unit->default_mask_name);
} else {
printf("\tUnit masks (default 0x%x)\n",
event->unit->default_mask);
}
printf("\t----------\n");
for (j = 0; j < event->unit->num; j++) {
printf("\t0x%.2x: ",
event->unit->um[j].value);
column = 14;
/* Named mask */
if (event->unit->um[j].name) {
word_wrap(14, &column, "(name=");
word_wrap(14, &column,
event->unit->um[j].name);
word_wrap(14, &column, ") ");
}
word_wrap(14, &column, event->unit->um[j].desc);
putchar('\n');
}
}
}
