struct pmu_caps {
int nr_caps;
unsigned int max_branches;
+ unsigned int br_cntr_nr;
+ unsigned int br_cntr_width;
+
char **caps;
char *pmu_name;
};
unsigned long long total_mem;
unsigned int msr_pmu_type;
unsigned int max_branches;
+ unsigned int br_cntr_nr;
+ unsigned int br_cntr_width;
int kernel_is_64_bit;
int nr_cmdline;
}
static int __process_pmu_caps(struct feat_fd *ff, int *nr_caps,
- char ***caps, unsigned int *max_branches)
+ char ***caps, unsigned int *max_branches,
+ unsigned int *br_cntr_nr,
+ unsigned int *br_cntr_width)
{
char *name, *value, *ptr;
u32 nr_pmu_caps, i;
if (!strcmp(name, "branches"))
*max_branches = atoi(value);
+ if (!strcmp(name, "branch_counter_nr"))
+ *br_cntr_nr = atoi(value);
+
+ if (!strcmp(name, "branch_counter_width"))
+ *br_cntr_width = atoi(value);
+
free(value);
free(name);
}
{
int ret = __process_pmu_caps(ff, &ff->ph->env.nr_cpu_pmu_caps,
&ff->ph->env.cpu_pmu_caps,
- &ff->ph->env.max_branches);
+ &ff->ph->env.max_branches,
+ &ff->ph->env.br_cntr_nr,
+ &ff->ph->env.br_cntr_width);
if (!ret && !ff->ph->env.cpu_pmu_caps)
pr_debug("cpu pmu capabilities not available\n");
for (i = 0; i < nr_pmu; i++) {
ret = __process_pmu_caps(ff, &pmu_caps[i].nr_caps,
&pmu_caps[i].caps,
- &pmu_caps[i].max_branches);
+ &pmu_caps[i].max_branches,
+ &pmu_caps[i].br_cntr_nr,
+ &pmu_caps[i].br_cntr_width);
if (ret)
goto err;