]> arthur.barton.de Git - netdata.git/blobdiff - src/plugin_proc.c
added configuration options for controlling web compression level and strategy and...
[netdata.git] / src / plugin_proc.c
old mode 100755 (executable)
new mode 100644 (file)
index 8e7a257..ffcc32c
 #include "log.h"
 #include "rrd.h"
 #include "plugin_proc.h"
+#include "main.h"
+#include "registry.h"
 
 void *proc_main(void *ptr)
 {
-       if(ptr) { ; }
+       (void)ptr;
+
+       unsigned long long old_web_requests = 0, old_web_usec = 0,
+                       old_content_size = 0, old_compressed_content_size = 0;
+
+       collected_number compression_ratio = -1, average_response_time = -1;
 
        info("PROC Plugin thread created with task id %d", gettid());
 
@@ -26,134 +33,251 @@ void *proc_main(void *ptr)
        if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
                error("Cannot set pthread cancel state to ENABLE.");
 
-       struct rusage me, me_last;
-       struct timeval last, now;
+       struct rusage me, thread;
 
-       gettimeofday(&last, NULL);
-       last.tv_sec -= rrd_update_every;
-       
        // disable (by default) various interface that are not needed
-       config_get_boolean("plugin:proc:/proc/net/dev", "interface lo", 0);
-       config_get_boolean("plugin:proc:/proc/net/dev", "interface fireqos_monitor", 0);
+       config_get_boolean("plugin:proc:/proc/net/dev:lo", "enabled", 0);
+       config_get_boolean("plugin:proc:/proc/net/dev:fireqos_monitor", "enabled", 0);
 
        // when ZERO, attempt to do it
        int vdo_proc_net_dev                    = !config_get_boolean("plugin:proc", "/proc/net/dev", 1);
        int vdo_proc_diskstats                  = !config_get_boolean("plugin:proc", "/proc/diskstats", 1);
        int vdo_proc_net_snmp                   = !config_get_boolean("plugin:proc", "/proc/net/snmp", 1);
+       int vdo_proc_net_snmp6                  = !config_get_boolean("plugin:proc", "/proc/net/snmp6", 1);
        int vdo_proc_net_netstat                = !config_get_boolean("plugin:proc", "/proc/net/netstat", 1);
        int vdo_proc_net_stat_conntrack = !config_get_boolean("plugin:proc", "/proc/net/stat/conntrack", 1);
        int vdo_proc_net_ip_vs_stats    = !config_get_boolean("plugin:proc", "/proc/net/ip_vs/stats", 1);
+       int vdo_proc_net_stat_synproxy  = !config_get_boolean("plugin:proc", "/proc/net/stat/synproxy", 1);
        int vdo_proc_stat                               = !config_get_boolean("plugin:proc", "/proc/stat", 1);
        int vdo_proc_meminfo                    = !config_get_boolean("plugin:proc", "/proc/meminfo", 1);
        int vdo_proc_vmstat                     = !config_get_boolean("plugin:proc", "/proc/vmstat", 1);
        int vdo_proc_net_rpc_nfsd               = !config_get_boolean("plugin:proc", "/proc/net/rpc/nfsd", 1);
        int vdo_proc_sys_kernel_random_entropy_avail    = !config_get_boolean("plugin:proc", "/proc/sys/kernel/random/entropy_avail", 1);
        int vdo_proc_interrupts                 = !config_get_boolean("plugin:proc", "/proc/interrupts", 1);
+       int vdo_proc_softirqs                   = !config_get_boolean("plugin:proc", "/proc/softirqs", 1);
+       int vdo_proc_loadavg                    = !config_get_boolean("plugin:proc", "/proc/loadavg", 1);
+       int vdo_sys_kernel_mm_ksm               = !config_get_boolean("plugin:proc", "/sys/kernel/mm/ksm", 1);
        int vdo_cpu_netdata                     = !config_get_boolean("plugin:proc", "netdata server resources", 1);
 
-       RRDSET *stcpu = NULL, *stclients = NULL, *streqs = NULL, *stbytes = NULL;
+       // keep track of the time each module was called
+       unsigned long long sutime_proc_net_dev = 0ULL;
+       unsigned long long sutime_proc_diskstats = 0ULL;
+       unsigned long long sutime_proc_net_snmp = 0ULL;
+       unsigned long long sutime_proc_net_snmp6 = 0ULL;
+       unsigned long long sutime_proc_net_netstat = 0ULL;
+       unsigned long long sutime_proc_net_stat_conntrack = 0ULL;
+       unsigned long long sutime_proc_net_ip_vs_stats = 0ULL;
+       unsigned long long sutime_proc_net_stat_synproxy = 0ULL;
+       unsigned long long sutime_proc_stat = 0ULL;
+       unsigned long long sutime_proc_meminfo = 0ULL;
+       unsigned long long sutime_proc_vmstat = 0ULL;
+       unsigned long long sutime_proc_net_rpc_nfsd = 0ULL;
+       unsigned long long sutime_proc_sys_kernel_random_entropy_avail = 0ULL;
+       unsigned long long sutime_proc_interrupts = 0ULL;
+       unsigned long long sutime_proc_softirqs = 0ULL;
+       unsigned long long sutime_proc_loadavg = 0ULL;
+       unsigned long long sutime_sys_kernel_mm_ksm = 0ULL;
+
+       // the next time we will run - aligned properly
+       unsigned long long sunext = (time(NULL) - (time(NULL) % rrd_update_every) + rrd_update_every) * 1000000ULL;
+       unsigned long long sunow;
+
+       RRDSET *stcpu = NULL, *stcpu_thread = NULL, *stclients = NULL, *streqs = NULL, *stbytes = NULL, *stduration = NULL,
+                       *stcompression = NULL;
 
-       gettimeofday(&last, NULL);
-       getrusage(RUSAGE_SELF, &me_last);
-
-       unsigned long long usec = 0, susec = 0;
        for(;1;) {
-               
+               if(unlikely(netdata_exit)) break;
+
+               // delay until it is our time to run
+               while((sunow = timems()) < sunext)
+                       usleep((useconds_t)(sunext - sunow));
+
+               // find the next time we need to run
+               while(timems() > sunext)
+                       sunext += rrd_update_every * 1000000ULL;
+
+               if(unlikely(netdata_exit)) break;
+
                // BEGIN -- the job to be done
-               
+
+               if(!vdo_sys_kernel_mm_ksm) {
+                       debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_sys_kernel_mm_ksm().");
+
+                       sunow = timems();
+                       vdo_sys_kernel_mm_ksm = do_sys_kernel_mm_ksm(rrd_update_every, (sutime_sys_kernel_mm_ksm > 0)?sunow - sutime_sys_kernel_mm_ksm:0ULL);
+                       sutime_sys_kernel_mm_ksm = sunow;
+               }
+               if(unlikely(netdata_exit)) break;
+
+               if(!vdo_proc_loadavg) {
+                       debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_loadavg().");
+                       sunow = timems();
+                       vdo_proc_loadavg = do_proc_loadavg(rrd_update_every, (sutime_proc_loadavg > 0)?sunow - sutime_proc_loadavg:0ULL);
+                       sutime_proc_loadavg = sunow;
+               }
+               if(unlikely(netdata_exit)) break;
+
                if(!vdo_proc_interrupts) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_interrupts().");
-                       vdo_proc_interrupts = do_proc_interrupts(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_interrupts = do_proc_interrupts(rrd_update_every, (sutime_proc_interrupts > 0)?sunow - sutime_proc_interrupts:0ULL);
+                       sutime_proc_interrupts = sunow;
+               }
+               if(unlikely(netdata_exit)) break;
+
+               if(!vdo_proc_softirqs) {
+                       debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_softirqs().");
+                       sunow = timems();
+                       vdo_proc_softirqs = do_proc_softirqs(rrd_update_every, (sutime_proc_softirqs > 0)?sunow - sutime_proc_softirqs:0ULL);
+                       sutime_proc_softirqs = sunow;
                }
+               if(unlikely(netdata_exit)) break;
+
                if(!vdo_proc_sys_kernel_random_entropy_avail) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_sys_kernel_random_entropy_avail().");
-                       vdo_proc_sys_kernel_random_entropy_avail = do_proc_sys_kernel_random_entropy_avail(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_sys_kernel_random_entropy_avail = do_proc_sys_kernel_random_entropy_avail(rrd_update_every, (sutime_proc_sys_kernel_random_entropy_avail > 0)?sunow - sutime_proc_sys_kernel_random_entropy_avail:0ULL);
+                       sutime_proc_sys_kernel_random_entropy_avail = sunow;
                }
+               if(unlikely(netdata_exit)) break;
+
                if(!vdo_proc_net_dev) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_dev().");
-                       vdo_proc_net_dev = do_proc_net_dev(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_net_dev = do_proc_net_dev(rrd_update_every, (sutime_proc_net_dev > 0)?sunow - sutime_proc_net_dev:0ULL);
+                       sutime_proc_net_dev = sunow;
                }
+               if(unlikely(netdata_exit)) break;
+
                if(!vdo_proc_diskstats) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_diskstats().");
-                       vdo_proc_diskstats = do_proc_diskstats(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_diskstats = do_proc_diskstats(rrd_update_every, (sutime_proc_diskstats > 0)?sunow - sutime_proc_diskstats:0ULL);
+                       sutime_proc_diskstats = sunow;
                }
+               if(unlikely(netdata_exit)) break;
+
                if(!vdo_proc_net_snmp) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp().");
-                       vdo_proc_net_snmp = do_proc_net_snmp(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_net_snmp = do_proc_net_snmp(rrd_update_every, (sutime_proc_net_snmp > 0)?sunow - sutime_proc_net_snmp:0ULL);
+                       sutime_proc_net_snmp = sunow;
+               }
+               if(unlikely(netdata_exit)) break;
+
+               if(!vdo_proc_net_snmp6) {
+                       debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp6().");
+                       sunow = timems();
+                       vdo_proc_net_snmp6 = do_proc_net_snmp6(rrd_update_every, (sutime_proc_net_snmp6 > 0)?sunow - sutime_proc_net_snmp6:0ULL);
+                       sutime_proc_net_snmp6 = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_net_netstat) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_netstat().");
-                       vdo_proc_net_netstat = do_proc_net_netstat(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_net_netstat = do_proc_net_netstat(rrd_update_every, (sutime_proc_net_netstat > 0)?sunow - sutime_proc_net_netstat:0ULL);
+                       sutime_proc_net_netstat = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_net_stat_conntrack) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_stat_conntrack().");
-                       vdo_proc_net_stat_conntrack     = do_proc_net_stat_conntrack(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_net_stat_conntrack     = do_proc_net_stat_conntrack(rrd_update_every, (sutime_proc_net_stat_conntrack > 0)?sunow - sutime_proc_net_stat_conntrack:0ULL);
+                       sutime_proc_net_stat_conntrack = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_net_ip_vs_stats) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_ip_vs_stats().");
-                       vdo_proc_net_ip_vs_stats = do_proc_net_ip_vs_stats(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_net_ip_vs_stats = do_proc_net_ip_vs_stats(rrd_update_every, (sutime_proc_net_ip_vs_stats > 0)?sunow - sutime_proc_net_ip_vs_stats:0ULL);
+                       sutime_proc_net_ip_vs_stats = sunow;
                }
+               if(unlikely(netdata_exit)) break;
+
+               if(!vdo_proc_net_stat_synproxy) {
+                       debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_stat_synproxy().");
+                       sunow = timems();
+                       vdo_proc_net_stat_synproxy = do_proc_net_stat_synproxy(rrd_update_every, (sutime_proc_net_stat_synproxy > 0)?sunow - sutime_proc_net_stat_synproxy:0ULL);
+                       sutime_proc_net_stat_synproxy = sunow;
+               }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_stat) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_stat().");
-                       vdo_proc_stat = do_proc_stat(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_stat = do_proc_stat(rrd_update_every, (sutime_proc_stat > 0)?sunow - sutime_proc_stat:0ULL);
+                       sutime_proc_stat = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_meminfo) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_meminfo().");
-                       vdo_proc_meminfo = do_proc_meminfo(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_meminfo = do_proc_meminfo(rrd_update_every, (sutime_proc_meminfo > 0)?sunow - sutime_proc_meminfo:0ULL);
+                       sutime_proc_meminfo = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_vmstat) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_vmstat().");
-                       vdo_proc_vmstat = do_proc_vmstat(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_vmstat = do_proc_vmstat(rrd_update_every, (sutime_proc_vmstat > 0)?sunow - sutime_proc_vmstat:0ULL);
+                       sutime_proc_vmstat = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                if(!vdo_proc_net_rpc_nfsd) {
                        debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_rpc_nfsd().");
-                       vdo_proc_net_rpc_nfsd = do_proc_net_rpc_nfsd(rrd_update_every, usec+susec);
+                       sunow = timems();
+                       vdo_proc_net_rpc_nfsd = do_proc_net_rpc_nfsd(rrd_update_every, (sutime_proc_net_rpc_nfsd > 0)?sunow - sutime_proc_net_rpc_nfsd:0ULL);
+                       sutime_proc_net_rpc_nfsd = sunow;
                }
+               if(unlikely(netdata_exit)) break;
 
                // END -- the job is done
-               
-               // find the time to sleep in order to wait exactly update_every seconds
-               gettimeofday(&now, NULL);
-               usec = usecdiff(&now, &last) - susec;
-               debug(D_PROCNETDEV_LOOP, "PROCNETDEV: 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(!vdo_cpu_netdata && getrusage(RUSAGE_SELF, &me) == 0) {
-               
-                       unsigned long long cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec;
-                       unsigned long long cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec;
+               if(!vdo_cpu_netdata) {
+                       getrusage(RUSAGE_THREAD, &thread);
+                       getrusage(RUSAGE_SELF, &me);
+
+                       if(!stcpu_thread) stcpu_thread = rrdset_find("netdata.plugin_proc_cpu");
+                       if(!stcpu_thread) {
+                               stcpu_thread = rrdset_create("netdata", "plugin_proc_cpu", NULL, "proc.internal", NULL, "NetData Proc Plugin CPU usage", "milliseconds/s", 132000, rrd_update_every, RRDSET_TYPE_STACKED);
+
+                               rrddim_add(stcpu_thread, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
+                               rrddim_add(stcpu_thread, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+                       }
+                       else rrdset_next(stcpu_thread);
+
+                       rrddim_set(stcpu_thread, "user"  , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
+                       rrddim_set(stcpu_thread, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
+                       rrdset_done(stcpu_thread);
+
+                       // ----------------------------------------------------------------
 
                        if(!stcpu) stcpu = rrdset_find("netdata.server_cpu");
                        if(!stcpu) {
-                               stcpu = rrdset_create("netdata", "server_cpu", NULL, "netdata", "NetData CPU usage", "milliseconds/s", 9999, rrd_update_every, RRDSET_TYPE_STACKED);
+                               stcpu = rrdset_create("netdata", "server_cpu", NULL, "netdata", NULL, "NetData CPU usage", "milliseconds/s", 130000, rrd_update_every, RRDSET_TYPE_STACKED);
 
-                               rrddim_add(stcpu, "user",  NULL,  1, 1000 * rrd_update_every, RRDDIM_INCREMENTAL);
-                               rrddim_add(stcpu, "system", NULL, 1, 1000 * rrd_update_every, RRDDIM_INCREMENTAL);
+                               rrddim_add(stcpu, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
+                               rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
                        }
                        else rrdset_next(stcpu);
 
-                       rrddim_set(stcpu, "user", cpuuser);
-                       rrddim_set(stcpu, "system", cpusyst);
+                       rrddim_set(stcpu, "user"  , me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec);
+                       rrddim_set(stcpu, "system", me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec);
                        rrdset_done(stcpu);
-                       
-                       bcopy(&me, &me_last, sizeof(struct rusage));
 
                        // ----------------------------------------------------------------
 
                        if(!stclients) stclients = rrdset_find("netdata.clients");
                        if(!stclients) {
-                               stclients = rrdset_create("netdata", "clients", NULL, "netdata", "NetData Web Clients", "connected clients", 11000, rrd_update_every, RRDSET_TYPE_LINE);
+                               stclients = rrdset_create("netdata", "clients", NULL, "netdata", NULL, "NetData Web Clients", "connected clients", 130100, rrd_update_every, RRDSET_TYPE_LINE);
 
                                rrddim_add(stclients, "clients",  NULL,  1, 1, RRDDIM_ABSOLUTE);
                        }
@@ -166,9 +290,9 @@ void *proc_main(void *ptr)
 
                        if(!streqs) streqs = rrdset_find("netdata.requests");
                        if(!streqs) {
-                               streqs = rrdset_create("netdata", "requests", NULL, "netdata", "NetData Web Requests", "requests/s", 12000, rrd_update_every, RRDSET_TYPE_LINE);
+                               streqs = rrdset_create("netdata", "requests", NULL, "netdata", NULL, "NetData Web Requests", "requests/s", 130200, rrd_update_every, RRDSET_TYPE_LINE);
 
-                               rrddim_add(streqs, "requests",  NULL,  1, 1 * rrd_update_every, RRDDIM_INCREMENTAL);
+                               rrddim_add(streqs, "requests",  NULL,  1, 1, RRDDIM_INCREMENTAL);
                        }
                        else rrdset_next(streqs);
 
@@ -179,23 +303,77 @@ void *proc_main(void *ptr)
 
                        if(!stbytes) stbytes = rrdset_find("netdata.net");
                        if(!stbytes) {
-                               stbytes = rrdset_create("netdata", "net", NULL, "netdata", "NetData Network Traffic", "kilobits/s", 13000, rrd_update_every, RRDSET_TYPE_AREA);
+                               stbytes = rrdset_create("netdata", "net", NULL, "netdata", NULL, "NetData Network Traffic", "kilobits/s", 130300, rrd_update_every, RRDSET_TYPE_AREA);
 
-                               rrddim_add(stbytes, "in",  NULL,  8, 1024 * rrd_update_every, RRDDIM_INCREMENTAL);
-                               rrddim_add(stbytes, "out",  NULL,  -8, 1024 * rrd_update_every, RRDDIM_INCREMENTAL);
+                               rrddim_add(stbytes, "in",  NULL,  8, 1024, RRDDIM_INCREMENTAL);
+                               rrddim_add(stbytes, "out",  NULL,  -8, 1024, RRDDIM_INCREMENTAL);
                        }
                        else rrdset_next(stbytes);
 
                        rrddim_set(stbytes, "in", global_statistics.bytes_received);
                        rrddim_set(stbytes, "out", global_statistics.bytes_sent);
                        rrdset_done(stbytes);
-               }
 
-               usleep(susec);
-               
-               // copy current to last
-               bcopy(&now, &last, sizeof(struct timeval));
+                       // ----------------------------------------------------------------
+
+                       if(!stduration) stduration = rrdset_find("netdata.response_time");
+                       if(!stduration) {
+                               stduration = rrdset_create("netdata", "response_time", NULL, "netdata", NULL, "NetData Average API Response Time", "ms/request", 130400, rrd_update_every, RRDSET_TYPE_LINE);
+
+                               rrddim_add(stduration, "response_time", "response time",  1, 1000, RRDDIM_ABSOLUTE);
+                       }
+                       else rrdset_next(stduration);
+
+                       unsigned long long gweb_usec     = global_statistics.web_usec;
+                       unsigned long long gweb_requests = global_statistics.web_requests;
+
+                       unsigned long long web_usec     = gweb_usec     - old_web_usec;
+                       unsigned long long web_requests = gweb_requests - old_web_requests;
+
+                       old_web_usec     = gweb_usec;
+                       old_web_requests = gweb_requests;
+
+                       if(web_requests)
+                               average_response_time =  web_usec / web_requests;
+
+                       if(average_response_time != -1)
+                               rrddim_set(stduration, "response_time", average_response_time);
+
+                       rrdset_done(stduration);
+
+                       // ----------------------------------------------------------------
+
+                       if(!stcompression) stcompression = rrdset_find("netdata.compression_ratio");
+                       if(!stcompression) {
+                               stcompression = rrdset_create("netdata", "compression_ratio", NULL, "netdata", NULL, "NetData API Responses Compression Savings Ratio", "percentage", 130500, rrd_update_every, RRDSET_TYPE_LINE);
+
+                               rrddim_add(stcompression, "savings", NULL,  1, 1000, RRDDIM_ABSOLUTE);
+                       }
+                       else rrdset_next(stcompression);
+
+                       unsigned long long gcontent_size            = global_statistics.content_size;
+                       unsigned long long gcompressed_content_size = global_statistics.compressed_content_size;
+
+                       unsigned long long content_size             = gcontent_size            - old_content_size;
+                       unsigned long long compressed_content_size  = gcompressed_content_size - old_compressed_content_size;
+
+                       old_content_size            = gcontent_size;
+                       old_compressed_content_size = gcompressed_content_size;
+
+                       if(content_size)
+                               compression_ratio = (content_size - compressed_content_size) * 100 * 1000 / content_size;
+
+                       if(compression_ratio != -1)
+                               rrddim_set(stcompression, "savings", compression_ratio);
+
+                       rrdset_done(stcompression);
+
+                       // ----------------------------------------------------------------
+
+                       registry_statistics();
+               }
        }
 
+       pthread_exit(NULL);
        return NULL;
 }