diff options
| -rwxr-xr-x | configure.py | 3 | ||||
| -rw-r--r-- | src/util.cc | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/configure.py b/configure.py index f9ea8eb..fcea72a 100755 --- a/configure.py +++ b/configure.py @@ -505,6 +505,9 @@ if platform.is_msvc(): else: libs.append('-lninja') +if platform.is_aix(): + libs.append('-lperfstat') + all_targets = [] n.comment('Main executable is library plus main() function.') 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 }; |