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am 7c38499e: am 0ada9388: Merge "Add a couple more system call benchmarks."

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* commit '7c38499edabc93b3c685fa7accc6c63a94d8b81d':
  Add a couple more system call benchmarks.
This commit is contained in:
Elliott Hughes 2014-06-11 21:37:51 +00:00 committed by Android Git Automerger
commit c6003c11c8
2 changed files with 25 additions and 0 deletions
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13
benchmarks/time_benchmark.cpp
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@ -35,4 +35,17 @@ static void BM_time_localtime_tz(int iters) {
StopBenchmarkTiming(); StopBenchmarkTiming();
} }
BENCHMARK(BM_time_localtime_tz); BENCHMARK(BM_time_localtime_tz);
#endif #endif
static void BM_time_clock_gettime(int iters) {
StartBenchmarkTiming();
struct timespec t;
for (int i = 0; i < iters; ++i) {
clock_gettime(CLOCK_MONOTONIC, &t);
}
StopBenchmarkTiming();
}
BENCHMARK(BM_time_clock_gettime);

12
benchmarks/unistd_benchmark.cpp
View File

@ -16,6 +16,7 @@
#include "benchmark.h" #include "benchmark.h"
#include <sys/syscall.h>
#include <unistd.h> #include <unistd.h>
static void BM_unistd_getpid(int iters) { static void BM_unistd_getpid(int iters) {
@ -39,3 +40,14 @@ static void BM_unistd_gettid(int iters) {
StopBenchmarkTiming(); StopBenchmarkTiming();
} }
BENCHMARK(BM_unistd_gettid); BENCHMARK(BM_unistd_gettid);
static void BM_unistd_gettid_syscall(int iters) {
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
syscall(__NR_gettid);
}
StopBenchmarkTiming();
}
BENCHMARK(BM_unistd_gettid_syscall);