message: dashboard: print hostname in the name of the dashboard
diff: @@ -13,6 +13,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  #include <vector>
  #include <memory>
  +#include <unistd.h>
  #include "cpucounters.h"
  #include "dashboard.h"
  @@ -413,7 +414,13 @@ std::string getPCMDashboardJSON(int ns, int nu, int nc)
  const int width = 15;
  const int max_width = 24;
  int y = 0;
  - Dashboard dashboard("Processor Counter Monitor (PCM) Dashboard");
  + char buffer[64];
  + std::string hostname = "unknown hostname";
  + if (gethostname(buffer, 63) == 0)
  + {
  + hostname = buffer;
  + }
  + Dashboard dashboard("Processor Counter Monitor (PCM) Dashboard - " + hostname);
  {
  auto panel = std::make_shared<GraphPanel>(0, y, width, height, "Memory Bandwidth", "MByte/sec", false);
  auto panel1 = std::make_shared<BarGaugePanel>(width, y, max_width - width, height, "Memory Bandwidth (MByte/sec)");
  