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Upstream two performance monitor collectors to MachTask #1343

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merged 1 commit into from
Jun 17, 2020
Merged

Upstream two performance monitor collectors to MachTask #1343

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14 changes: 14 additions & 0 deletions lldb/tools/debugserver/source/MacOSX/MachTask.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -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
//----------------------------------------------------------------------
Expand Down Expand Up @@ -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();
Expand Down