void *cpuidlejitter_main(void *ptr) {
struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
info("IDLEJITTER thread created with task id %d", gettid());
if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
error("Cannot set pthread cancel type to DEFERRED.");
if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
error("Cannot set pthread cancel state to ENABLE.");
int sleep_ms = (int) config_get_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
if(sleep_ms <= 0) {
config_set_number("plugin:idlejitter", "loop time in ms", CPU_IDLEJITTER_SLEEP_TIME_MS);
sleep_ms = CPU_IDLEJITTER_SLEEP_TIME_MS;
}
RRDSET *st = rrdset_find_localhost("system.idlejitter");
if(!st) {
st = rrdset_create_localhost("system", "idlejitter", NULL, "processes", NULL, "CPU Idle Jitter"
, "microseconds lost/s", 9999, localhost->rrd_update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "jitter", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
struct timeval before, after;
unsigned long long counter;
for(counter = 0; 1 ;counter++) {
usec_t usec = 0, susec = 0;
if(netdata_exit) break;
while(susec < (localhost->rrd_update_every * USEC_PER_SEC)) {
now_monotonic_timeval(&before);
sleep_usec(sleep_ms * 1000);
now_monotonic_timeval(&after);
// calculate the time it took for a full loop
usec = dt_usec(&after, &before);
susec += usec;
}
usec -= (sleep_ms * 1000);
if(counter) rrdset_next(st);
rrddim_set(st, "jitter", usec);
rrdset_done(st);
}
info("IDLEJITTER thread exiting");
static_thread->enabled = 0;
pthread_exit(NULL);
return NULL;
}
void *nfacct_main(void *ptr) {
if(ptr) { ; }
info("NFACCT thread created with task id %d", gettid());
if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
error("nfacct.plugin: Cannot set pthread cancel type to DEFERRED.");
if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
error("nfacct.plugin: Cannot set pthread cancel state to ENABLE.");
char buf[MNL_SOCKET_BUFFER_SIZE];
struct mnl_socket *nl = NULL;
struct nlmsghdr *nlh = NULL;
unsigned int seq = 0, portid = 0;
seq = now_realtime_sec() - 1;
nl = mnl_socket_open(NETLINK_NETFILTER);
if(!nl) {
error("nfacct.plugin: mnl_socket_open() failed");
pthread_exit(NULL);
return NULL;
}
if(mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
mnl_socket_close(nl);
error("nfacct.plugin: mnl_socket_bind() failed");
pthread_exit(NULL);
return NULL;
}
portid = mnl_socket_get_portid(nl);
// ------------------------------------------------------------------------
struct timeval last, now;
usec_t usec = 0, susec = 0;
RRDSET *st = NULL;
now_realtime_timeval(&last);
// ------------------------------------------------------------------------
while(1) {
if(unlikely(netdata_exit)) break;
seq++;
nlh = nfacct_nlmsg_build_hdr(buf, NFNL_MSG_ACCT_GET, NLM_F_DUMP, seq);
if(!nlh) {
mnl_socket_close(nl);
error("nfacct.plugin: nfacct_nlmsg_build_hdr() failed");
pthread_exit(NULL);
return NULL;
}
if(mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
error("nfacct.plugin: mnl_socket_send");
pthread_exit(NULL);
return NULL;
}
if(nfacct_list) nfacct_list->len = 0;
int ret;
while((ret = mnl_socket_recvfrom(nl, buf, sizeof(buf))) > 0) {
if((ret = mnl_cb_run(buf, ret, seq, portid, nfacct_callback, NULL)) <= 0) break;
}
if (ret == -1) {
error("nfacct.plugin: error communicating with kernel.");
pthread_exit(NULL);
return NULL;
}
// --------------------------------------------------------------------
now_realtime_timeval(&now);
usec = dt_usec(&now, &last) - susec;
debug(D_NFACCT_LOOP, "nfacct.plugin: last loop took %llu usec (worked for %llu, sleeped for %llu).", usec + susec, usec, susec);
if(usec < (rrd_update_every * 1000000ULL / 2ULL)) susec = (rrd_update_every * 1000000ULL) - usec;
else susec = rrd_update_every * 1000000ULL / 2ULL;
// --------------------------------------------------------------------
if(nfacct_list && nfacct_list->len) {
int i;
st = rrdset_find_bytype("netfilter", "nfacct_packets");
if(!st) {
st = rrdset_create("netfilter", "nfacct_packets", NULL, "nfacct", NULL, "Netfilter Accounting Packets", "packets/s", 3206, rrd_update_every, RRDSET_TYPE_STACKED);
for(i = 0; i < nfacct_list->len ; i++)
rrddim_add(st, nfacct_list->data[i].name, NULL, 1, rrd_update_every, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
for(i = 0; i < nfacct_list->len ; i++) {
RRDDIM *rd = rrddim_find(st, nfacct_list->data[i].name);
if(!rd) rd = rrddim_add(st, nfacct_list->data[i].name, NULL, 1, rrd_update_every, RRDDIM_INCREMENTAL);
if(rd) rrddim_set_by_pointer(st, rd, nfacct_list->data[i].pkts);
}
rrdset_done(st);
// ----------------------------------------------------------------
st = rrdset_find_bytype("netfilter", "nfacct_bytes");
if(!st) {
st = rrdset_create("netfilter", "nfacct_bytes", NULL, "nfacct", NULL, "Netfilter Accounting Bandwidth", "kilobytes/s", 3207, rrd_update_every, RRDSET_TYPE_STACKED);
for(i = 0; i < nfacct_list->len ; i++)
rrddim_add(st, nfacct_list->data[i].name, NULL, 1, 1000 * rrd_update_every, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
for(i = 0; i < nfacct_list->len ; i++) {
RRDDIM *rd = rrddim_find(st, nfacct_list->data[i].name);
if(!rd) rd = rrddim_add(st, nfacct_list->data[i].name, NULL, 1, 1000 * rrd_update_every, RRDDIM_INCREMENTAL);
if(rd) rrddim_set_by_pointer(st, rd, nfacct_list->data[i].bytes);
}
rrdset_done(st);
}
// --------------------------------------------------------------------
usleep(susec);
// copy current to last
memmove(&last, &now, sizeof(struct timeval));
}
mnl_socket_close(nl);
pthread_exit(NULL);
return NULL;
}