Upstream two performance monitor collectors to MachTask

Add two more perf monitors to MachTask::GetProfileData.

<rdar://problem/63984105>

lldb/tools/debugserver/source/MacOSX/MachTask.mm

@@ -64,6 +64,10 @@
 #include <pmsample.h>
 #endif
 
+extern "C" int
+proc_get_cpumon_params(pid_t pid, int *percentage,
+                       int *interval); // <libproc_internal.h> SPI
+
 //----------------------------------------------------------------------
 // MachTask constructor
 //----------------------------------------------------------------------
@@ -470,6 +474,16 @@ static void get_threads_profile_data(DNBProfileDataScanType scanType,
     }
 #endif
 
+    if (scanType & eProfileEnergyCPUCap) {
+      int percentage = -1;
+      int interval = -1;
+      int result = proc_get_cpumon_params(pid, &percentage, &interval);
+      if ((result == 0) && (percentage >= 0) && (interval >= 0)) {
+        profile_data_stream << "cpu_cap_p:" << percentage << ';';
+        profile_data_stream << "cpu_cap_t:" << interval << ';';
+      }
+    }
+
     profile_data_stream << "--end--;";
 
     result = profile_data_stream.str();