[metrics] Added system metrics to the enb's stdout

lib/include/srslte/interfaces/enb_metrics_interface.h

@@ -20,6 +20,7 @@
 #include "srsenb/hdr/stack/rrc/rrc_metrics.h"
 #include "srsenb/hdr/stack/upper/common_enb.h"
 #include "srsenb/hdr/stack/upper/s1ap_metrics.h"
+#include "srslte/system/sys_metrics.h"
 #include "srslte/common/metrics_hub.h"
 #include "srslte/radio/radio_metrics.h"
 #include "srslte/upper/pdcp_metrics.h"
@@ -48,6 +49,7 @@ struct enb_metrics_t {
   srslte::rf_metrics_t       rf;
   std::vector<phy_metrics_t> phy;
   stack_metrics_t            stack;
+  srslte::sys_metrics_t      sys;
   bool                       running;
 };
 

lib/src/system/sys_metrics_processor.cpp

@@ -87,7 +87,6 @@ float sys_metrics_processor::cpu_usage(const proc_stats_info& current_query, flo
   static const unsigned cpu_count        = ::sysconf(_SC_NPROCESSORS_CONF);
   static const float    ticks_per_second = ::sysconf(_SC_CLK_TCK);
 
-  printf("delta time is: %f\n", delta_time_in_seconds);
   return ((current_query.stime + current_query.utime) - (last_query.stime + last_query.utime)) * 100.f /
          (cpu_count * ticks_per_second * delta_time_in_seconds);
 }

srsenb/hdr/enb.h

@@ -31,6 +31,7 @@
 #include "srsenb/hdr/stack/enb_stack_base.h"
 #include "srsenb/hdr/stack/rrc/rrc_config.h"
 
+#include "srslte/system/sys_metrics_processor.h"
 #include "srslte/common/bcd_helpers.h"
 #include "srslte/common/buffer_pool.h"
 #include "srslte/common/interfaces_common.h"
@@ -150,6 +151,9 @@ private:
   std::unique_ptr<srslte::radio_base> radio = nullptr;
   std::unique_ptr<enb_phy_base>       phy   = nullptr;
 
+  // System metrics processor.
+  srslte::sys_metrics_processor sys_proc;
+
   srslte::LOG_LEVEL_ENUM level(std::string l);
 
   std::string get_build_mode();

srsenb/src/CMakeLists.txt

@@ -25,8 +25,8 @@ target_link_libraries(enb_cfg_parser ${LIBCONFIGPP_LIBRARIES})
 
 add_executable(srsenb main.cc enb.cc metrics_stdout.cc metrics_csv.cc metrics_json.cc)
 
-set(SRSENB_SOURCES srsenb_phy srsenb_stack srsenb_upper srsenb_mac srsenb_rrc srslog)
+set(SRSENB_SOURCES srsenb_phy srsenb_stack srsenb_upper srsenb_mac srsenb_rrc srslog system)
-set(SRSLTE_SOURCES srslte_common srslte_mac srslte_phy srslte_upper srslte_radio rrc_asn1 s1ap_asn1 enb_cfg_parser srslog)
+set(SRSLTE_SOURCES srslte_common srslte_mac srslte_phy srslte_upper srslte_radio rrc_asn1 s1ap_asn1 enb_cfg_parser srslog system)
 
 set(SRSENB_SOURCES ${SRSENB_SOURCES} srsgnb_phy srsgnb_stack srsgnb_upper srsgnb_mac srsgnb_rrc)
 set(SRSLTE_SOURCES ${SRSLTE_SOURCES} rrc_nr_asn1 ngap_nr_asn1)

srsenb/src/enb.cc

@@ -200,6 +200,7 @@ bool enb::get_metrics(enb_metrics_t* m)
   phy->get_metrics(m->phy);
   stack->get_metrics(&m->stack);
   m->running = started;
+  m->sys = sys_proc.get_metrics();
   return true;
 }
 

srsenb/src/metrics_stdout.cc

@@ -84,8 +84,8 @@ void metrics_stdout::set_metrics(const enb_metrics_t& metrics, const uint32_t pe
   if (++n_reports > 10) {
     n_reports = 0;
     cout << endl;
-    cout << "------DL-------------------------------UL--------------------------------------------" << endl;
+    cout << "------DL-------------------------------UL---------------------------------------------|----SYS----" << endl;
-    cout << "rnti cqi  ri mcs brate   ok  nok  (%)  pusch pucch phr mcs brate   ok  nok  (%)   bsr" << endl;
+    cout << "rnti cqi  ri mcs brate   ok  nok  (%)  pusch pucch phr mcs brate   ok  nok  (%)   bsr   cpu   mem" << endl;
   }
 
   for (size_t i = 0; i < metrics.stack.rrc.ues.size(); i++) {
@@ -161,6 +161,11 @@ void metrics_stdout::set_metrics(const enb_metrics_t& metrics, const uint32_t pe
       cout << float_to_string(0, 1, 4) << "%";
     }
     cout << float_to_eng_string(metrics.stack.mac.ues[i].ul_buffer, 2);
+
+    // Write the system metrics.
+    cout << float_to_string(metrics.sys.process_cpu_usage, 2);
+    cout << float_to_string(metrics.sys.process_realmem, 2);
+
     cout << endl;
   }
 

srsue/src/metrics_stdout.cc

@@ -169,8 +169,8 @@ void metrics_stdout::set_metrics(const ue_metrics_t& metrics, const uint32_t per
     }
 
     // Write the system metrics.
-    cout << float_to_string(metrics.sys.process_cpu_usage, 2);
+    cout << float_to_string(metrics.sys.process_cpu_usage, 3);
-    cout << float_to_string(metrics.sys.system_mem, 2);
+    cout << float_to_string(metrics.sys.process_realmem, 3);
     cout << endl;
   }