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| author | Mike Seplowitz <mseplowitz@bloomberg.net> | 2015-01-13 01:48:07 (GMT) |
|---|---|---|
| committer | Mike Seplowitz <mseplowitz@bloomberg.net> | 2015-08-19 12:43:58 (GMT) |
| commit | 94c10a6a18ceadf78d27245ce389610c67a7cf2e (patch) | |
| tree | 5137b614e613f1d1675c6d4dea4da0fbe6d814a2 /src | |
| parent | 164e7f9494a7a9b9c6ec38b4cd4700bdb2aec1c5 (diff) | |
| download | Ninja-94c10a6a18ceadf78d27245ce389610c67a7cf2e.zip Ninja-94c10a6a18ceadf78d27245ce389610c67a7cf2e.tar.gz Ninja-94c10a6a18ceadf78d27245ce389610c67a7cf2e.tar.bz2 | |
Implement GetLoadAverage on AIX using libperfstat
Diffstat (limited to 'src')
| -rw-r--r-- | src/util.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/util.cc b/src/util.cc index aa47f2f..d150fe2 100644 --- a/src/util.cc +++ b/src/util.cc @@ -45,6 +45,8 @@ #elif defined(__SVR4) && defined(__sun) #include <unistd.h> #include <sys/loadavg.h> +#elif defined(_AIX) +#include <libperfstat.h> #elif defined(linux) || defined(__GLIBC__) #include <sys/sysinfo.h> #endif @@ -573,6 +575,16 @@ double GetLoadAverage() { return posix_compatible_load; } +#elif defined(_AIX) +double GetLoadAverage() { + perfstat_cpu_total_t cpu_stats; + if (perfstat_cpu_total(NULL, &cpu_stats, sizeof(cpu_stats), 1) < 0) { + return -0.0f; + } + + // Calculation taken from comment in libperfstats.h + return double(cpu_stats.loadavg[0]) / double(1 << SBITS); +} #else double GetLoadAverage() { double loadavg[3] = { 0.0f, 0.0f, 0.0f }; |