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Delgan 2024-04-07 10:05:10 +02:00
parent d841aeeecd
commit b85ba99980
64 changed files with 1868 additions and 2678 deletions
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68
modules/cpu.c
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@ -31,7 +31,8 @@ struct cpu_stats {
uint32_t *cur_cores_nidle;
};
struct private {
struct private
{
struct particle *template;
uint16_t interval;
size_t core_count;
@ -69,28 +70,22 @@ get_cpu_nb_cores()
}
static bool
parse_proc_stat_line(const char *line, uint32_t *user, uint32_t *nice,
uint32_t *system, uint32_t *idle, uint32_t *iowait,
uint32_t *irq, uint32_t *softirq, uint32_t *steal,
uint32_t *guest, uint32_t *guestnice)
parse_proc_stat_line(const char *line, uint32_t *user, uint32_t *nice, uint32_t *system, uint32_t *idle,
uint32_t *iowait, uint32_t *irq, uint32_t *softirq, uint32_t *steal, uint32_t *guest,
uint32_t *guestnice)
{
int32_t core_id;
if (line[sizeof("cpu") - 1] == ' ') {
int read = sscanf(
line,
"cpu %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32
" %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32,
user, nice, system, idle, iowait, irq, softirq, steal, guest,
guestnice);
int read = sscanf(line,
"cpu %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32
" %" SCNu32 " %" SCNu32 " %" SCNu32,
user, nice, system, idle, iowait, irq, softirq, steal, guest, guestnice);
return read == 10;
} else {
int read = sscanf(
line,
"cpu%" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32
" %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32
" %" SCNu32,
&core_id, user, nice, system, idle, iowait, irq, softirq, steal,
guest, guestnice);
int read = sscanf(line,
"cpu%" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32
" %" SCNu32 " %" SCNu32 " %" SCNu32 " %" SCNu32,
&core_id, user, nice, system, idle, iowait, irq, softirq, steal, guest, guestnice);
return read == 11;
}
}
@ -98,18 +93,12 @@ parse_proc_stat_line(const char *line, uint32_t *user, uint32_t *nice,
static uint8_t
get_cpu_usage_percent(const struct cpu_stats *cpu_stats, int8_t core_idx)
{
uint32_t prev_total =
cpu_stats->prev_cores_idle[core_idx + 1] +
cpu_stats->prev_cores_nidle[core_idx + 1];
uint32_t prev_total = cpu_stats->prev_cores_idle[core_idx + 1] + cpu_stats->prev_cores_nidle[core_idx + 1];
uint32_t cur_total =
cpu_stats->cur_cores_idle[core_idx + 1] +
cpu_stats->cur_cores_nidle[core_idx + 1];
uint32_t cur_total = cpu_stats->cur_cores_idle[core_idx + 1] + cpu_stats->cur_cores_nidle[core_idx + 1];
double totald = cur_total - prev_total;
double nidled =
cpu_stats->cur_cores_nidle[core_idx + 1] -
cpu_stats->prev_cores_nidle[core_idx + 1];
double nidled = cpu_stats->cur_cores_nidle[core_idx + 1] - cpu_stats->prev_cores_nidle[core_idx + 1];
double percent = (nidled * 100) / (totald + 1);
return round(percent);
@ -143,10 +132,8 @@ refresh_cpu_stats(struct cpu_stats *cpu_stats, size_t core_count)
while ((read = getline(&line, &len, fp)) != -1 && core <= core_count) {
if (strncmp(line, "cpu", sizeof("cpu") - 1) == 0) {
if (!parse_proc_stat_line(
line, &user, &nice, &system, &idle, &iowait, &irq, &softirq,
&steal, &guest, &guestnice))
{
if (!parse_proc_stat_line(line, &user, &nice, &system, &idle, &iowait, &irq, &softirq, &steal, &guest,
&guestnice)) {
LOG_ERR("unable to parse /proc/stat line");
goto exit;
}
@ -251,15 +238,11 @@ cpu_new(uint16_t interval, struct particle *template)
p->interval = interval;
p->core_count = nb_cores;
p->cpu_stats.prev_cores_nidle = calloc(
nb_cores + 1, sizeof(*p->cpu_stats.prev_cores_nidle));
p->cpu_stats.prev_cores_idle = calloc(
nb_cores + 1, sizeof(*p->cpu_stats.prev_cores_idle));
p->cpu_stats.prev_cores_nidle = calloc(nb_cores + 1, sizeof(*p->cpu_stats.prev_cores_nidle));
p->cpu_stats.prev_cores_idle = calloc(nb_cores + 1, sizeof(*p->cpu_stats.prev_cores_idle));
p->cpu_stats.cur_cores_nidle = calloc(
nb_cores + 1, sizeof(*p->cpu_stats.cur_cores_nidle));
p->cpu_stats.cur_cores_idle = calloc(
nb_cores + 1, sizeof(*p->cpu_stats.cur_cores_idle));
p->cpu_stats.cur_cores_nidle = calloc(nb_cores + 1, sizeof(*p->cpu_stats.cur_cores_nidle));
p->cpu_stats.cur_cores_idle = calloc(nb_cores + 1, sizeof(*p->cpu_stats.cur_cores_idle));
struct module *mod = module_common_new();
mod->private = p;
@ -276,9 +259,7 @@ from_conf(const struct yml_node *node, struct conf_inherit inherited)
const struct yml_node *interval = yml_get_value(node, "poll-interval");
const struct yml_node *c = yml_get_value(node, "content");
return cpu_new(
interval == NULL ? min_poll_interval : yml_value_as_int(interval),
conf_to_particle(c, inherited));
return cpu_new(interval == NULL ? min_poll_interval : yml_value_as_int(interval), conf_to_particle(c, inherited));
}
static bool
@ -288,8 +269,7 @@ conf_verify_poll_interval(keychain_t *chain, const struct yml_node *node)
return false;
if (yml_value_as_int(node) < min_poll_interval) {
LOG_ERR("%s: interval value cannot be less than %ldms",
conf_err_prefix(chain, node), min_poll_interval);
LOG_ERR("%s: interval value cannot be less than %ldms", conf_err_prefix(chain, node), min_poll_interval);
return false;
}