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add indicator for rest space: /mars/rest-space-*

This commit is contained in:
Thomas Schoebel-Theuer 2012-01-24 09:27:40 +01:00 committed by Thomas Schoebel-Theuer
parent cc6b43a5a1
commit de11fbfc13
1 changed files with 20 additions and 6 deletions
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26
sy_old/mars_light.c
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@ -120,8 +120,10 @@ struct light_class {
#define COPY_PRIO MARS_PRIO_LOW
#ifdef CONFIG_MARS_MIN_SPACE
#define EXHAUSTED(x,max) ((x) <= ((max) / 100 * CONFIG_MARS_MIN_SPACE_PERCENT + CONFIG_MARS_MIN_SPACE_BASE * 1024 * 1024))
#define EXHAUSTED_LIMIT(max) ((max) / 100 * CONFIG_MARS_MIN_SPACE_PERCENT + CONFIG_MARS_MIN_SPACE_BASE * 1024 * 1024)
#define EXHAUSTED(x,max) ((x) <= EXHAUSTED_LIMIT(max))
#else
#define EXHAUSTED_LIMIT(max) 0
#define EXHAUSTED(x,max) (false)
#endif
@ -2824,6 +2826,7 @@ enum {
CL_PEERS,
CL_ALIVE,
CL_EXHAUSTED,
CL_REST_SPACE,
// resource definitions
CL_RESOURCE,
CL_DEFAULTS0,
@ -2921,6 +2924,14 @@ static const struct light_class light_classes[] = {
.cl_type = 'l',
.cl_father = CL_ROOT,
},
/* dto as percentage
*/
[CL_EXHAUSTED] = {
.cl_name = "rest-space-",
.cl_len = 12,
.cl_type = 'l',
.cl_father = CL_ROOT,
},
/* Directory containing all items of a resource
*/
@ -3384,12 +3395,13 @@ void _show_statist(struct mars_global *global)
#endif
static
void _make_alivelink(const char *name, bool alive)
void _make_alivelink(const char *name, loff_t val)
{
char *src = alive ? "1" : "0";
char *src = path_make("%lld", val);
char *dst = path_make("/mars/%s-%s", name, my_id());
mars_symlink(src, dst, NULL, 0);
brick_string_free(dst);
brick_string_free(src);
}
static struct mars_global _global = {
@ -3420,21 +3432,23 @@ static int light_thread(void *data)
while (_global.global_power.button || !list_empty(&_global.brick_anchor)) {
int status;
loff_t rest_space;
bool exhausted;
MARS_DBG("-------- NEW ROUND ---------\n");
msleep(100);
_global.global_power.button = !kthread_should_stop();
_make_alivelink("alive", _global.global_power.button);
_make_alivelink("alive", _global.global_power.button ? 1 : 0);
mars_remaining_space("/mars", &_global.total_space, &_global.remaining_space);
exhausted = EXHAUSTED(_global.remaining_space, _global.total_space);
_global.exhausted = exhausted;
_make_alivelink("exhausted", exhausted);
_make_alivelink("exhausted", exhausted ? 1 : 0);
if (exhausted)
MARS_WRN("EXHAUSTED filesystem space = %lld, STOPPING IO\n", _global.remaining_space);
rest_space = _global.remaining_space - EXHAUSTED_LIMIT(_global.total_space);
_make_alivelink("rest-space", rest_space);
#if 1
if (!_global.global_power.button) {