static u32 ns_to_micros(u64 count)
{
if (count > ((u64)0xffffffff * 1000)) {
count = (u64)0xffffffff * 1000;
}
return (u32)vmm_udiv64(count, 1000);
}
static int printi(char **out, struct vmm_chardev *cdev,
long long i, int b, int sg, int width, int pad, int letbase)
{
char print_buf[PRINT_BUF_LEN];
char *s;
int t, neg = 0, pc = 0;
unsigned long long u = i;
if (i == 0) {
print_buf[0] = '0';
print_buf[1] = '\0';
return prints(out, cdev, print_buf, width, pad);
}
if (sg && b == 10 && i < 0) {
neg = 1;
u = -i;
}
s = print_buf + PRINT_BUF_LEN - 1;
*s = '\0';
while (u) {
t = vmm_umod64(u, b);
if (t >= 10)
t += letbase - '0' - 10;
*--s = t + '0';
u = vmm_udiv64(u, b);
}
if (neg) {
if (width && (pad & PAD_ZERO)) {
printc(out, cdev, '-');
++pc;
--width;
} else {
*--s = '-';
}
}
return pc + prints(out, cdev, s, width, pad);
}
static int cmd_profile_count_iterator(void *data, const char *name,
unsigned long addr)
{
struct count_record *ptr = data;
u32 index = kallsyms_get_symbol_pos(addr, NULL, NULL);
u32 count = vmm_profiler_get_function_count(addr);
u64 time = vmm_profiler_get_function_total_time(addr);
ptr += index;
/* It would be nice to have the strncpy variant */
vmm_strcpy(ptr->function_name, name);
ptr->function_name[39] = 0;
ptr->count = count;
ptr->total_time = time;
if (count) {
ptr->time_per_call = vmm_udiv64(time, (u64)count);
}
return VMM_OK;
}
void arch_vcpu_stat_dump(struct vmm_vcpu * vcpu)
{
#ifdef CONFIG_ARM32_FUNCSTATS
int index;
if (!vcpu || !arm_priv(vcpu)) {
return;
}
vmm_printf("%-30s %-10s %s\n", "Function Name","Time/Call", "# Calls");
for (index=0; index < ARM_FUNCSTAT_MAX; index++) {
if (arm_priv(vcpu)->funcstat[index].exit_count) {
vmm_printf("%-30s %-10u %u\n",
arm_priv(vcpu)->funcstat[index].function_name,
(u32)vmm_udiv64(arm_priv(vcpu)->funcstat[index].time,
arm_priv(vcpu)->funcstat[index].exit_count),
arm_priv(vcpu)->funcstat[index].exit_count);
}
}
#else
vmm_printf("Not selected in Xvisor config\n");
#endif
}
