void *pl_fbdev_flip(void)
{
flip_cnt++;
if (pl_fbdev_buf != NULL) {
if (hud_msg[0] != 0)
print_hud();
else if (g_opts & OPT_SHOWFPS)
print_fps();
if (g_opts & OPT_SHOWCPU)
print_cpu_usage();
}
// let's flip now
pl_fbdev_buf = vout_fbdev_flip(layer_fb);
return pl_fbdev_buf;
}
static int
do_top(virConnectPtr conn,
const char *dom_name,
unsigned int milliseconds)
{
int ret = -1;
virDomainPtr dom;
int max_id = 0;
int nparams = 0, then_nparams = 0, now_nparams = 0;
virTypedParameterPtr then_params = NULL, now_params = NULL;
/* Lookup the domain */
if (!(dom = virDomainLookupByName(conn, dom_name))) {
ERROR("Unable to find domain '%s'", dom_name);
goto cleanup;
}
/* and see how many vCPUs can we fetch stats for */
if ((max_id = virDomainGetCPUStats(dom, NULL, 0, 0, 0, 0)) < 0) {
ERROR("Unable to get cpu stats");
goto cleanup;
}
/* how many stats can we get for a vCPU? */
if ((nparams = virDomainGetCPUStats(dom, NULL, 0, 0, 1, 0)) < 0) {
ERROR("Unable to get cpu stats");
goto cleanup;
}
if (!(now_params = calloc(nparams * max_id, sizeof(*now_params))) ||
!(then_params = calloc(nparams * max_id, sizeof(*then_params)))) {
ERROR("Unable to allocate memory");
goto cleanup;
}
/* The ideal program would use sigaction to set this handler, but
* this way is portable to mingw. */
signal(SIGTERM, stop);
signal(SIGINT, stop);
run_top = true;
while (run_top) {
struct timeval then, now;
/* Get current time */
if (gettimeofday(&then, NULL) < 0) {
ERROR("unable to get time");
goto cleanup;
}
/* And current stats */
if ((then_nparams = virDomainGetCPUStats(dom, then_params,
nparams, 0, max_id, 0)) < 0) {
ERROR("Unable to get cpu stats");
goto cleanup;
}
/* Now sleep some time */
usleep(milliseconds * 1000); /* usleep expects microseconds */
/* And get current time */
if (gettimeofday(&now, NULL) < 0) {
ERROR("unable to get time");
goto cleanup;
}
/* And current stats */
if ((now_nparams = virDomainGetCPUStats(dom, now_params,
nparams, 0, max_id, 0)) < 0) {
ERROR("Unable to get cpu stats");
goto cleanup;
}
print_cpu_usage(0, max_id,
then.tv_sec * 1000000 + then.tv_usec,
then_params, then_nparams,
now.tv_sec * 1000000 + now.tv_usec,
now_params, now_nparams);
virTypedParamsClear(now_params, now_nparams * max_id);
virTypedParamsClear(then_params, then_nparams * max_id);
}
ret = 0;
cleanup:
virTypedParamsFree(now_params, nparams * max_id);
virTypedParamsFree(then_params, nparams * max_id);
if (dom)
virDomainFree(dom);
return ret;
}
