diff options
Diffstat (limited to 'tools/regression/environ/timings.c')
| -rw-r--r-- | tools/regression/environ/timings.c | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/tools/regression/environ/timings.c b/tools/regression/environ/timings.c index 1bf3c91..7999fa1 100644 --- a/tools/regression/environ/timings.c +++ b/tools/regression/environ/timings.c @@ -23,7 +23,9 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ +#include <sys/types.h> #include <sys/time.h> +#include <sys/resource.h> #include <err.h> #include <stdio.h> #include <stdlib.h> @@ -64,43 +66,44 @@ int main(int argc, char **argv) { int iterations; - struct timeval endTime; - struct timeval startTime; + struct rusage endUsage; + struct rusage startUsage; /* * getenv() on the existing environment. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) if (getenv(name) == NULL) err(EXIT_FAILURE, "getenv(name)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("getenv(name)", &startTime, &endTime); + report_time("getenv(name)", &startUsage.ru_utime, &endUsage.ru_utime); /* * setenv() a variable with a large value. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) if (setenv(name, value1, 1) == -1) err(EXIT_FAILURE, "setenv(name, value1, 1)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("setenv(name, value1, 1)", &startTime, &endTime); + report_time("setenv(name, value1, 1)", &startUsage.ru_utime, + &endUsage.ru_utime); /* * getenv() the new variable on the new environment. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) @@ -108,15 +111,15 @@ main(int argc, char **argv) if (getenv(name) == NULL) err(EXIT_FAILURE, "getenv(name)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("getenv(name)", &startTime, &endTime); + report_time("getenv(name)", &startUsage.ru_utime, &endUsage.ru_utime); /* * getenv() a different variable on the new environment. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) @@ -124,30 +127,31 @@ main(int argc, char **argv) if (getenv(name2) == NULL) err(EXIT_FAILURE, "getenv(name2)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("getenv(name2)", &startTime, &endTime); + report_time("getenv(name2)", &startUsage.ru_utime, &endUsage.ru_utime); /* * setenv() a variable with a small value. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) if (setenv(name, value2, 1) == -1) err(EXIT_FAILURE, "setenv(name, value2, 1)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("setenv(name, value2, 1)", &startTime, &endTime); + report_time("setenv(name, value2, 1)", &startUsage.ru_utime, + &endUsage.ru_utime); /* * getenv() a different variable on the new environment. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) @@ -155,15 +159,15 @@ main(int argc, char **argv) if (getenv(name2) == NULL) err(EXIT_FAILURE, "getenv(name)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("getenv(name)", &startTime, &endTime); + report_time("getenv(name)", &startUsage.ru_utime, &endUsage.ru_utime); /* * getenv() a different variable on the new environment. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) @@ -171,24 +175,25 @@ main(int argc, char **argv) if (getenv(name2) == NULL) err(EXIT_FAILURE, "getenv(name2)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("getenv(name2)", &startTime, &endTime); + report_time("getenv(name2)", &startUsage.ru_utime, &endUsage.ru_utime); /* * putenv() a variable with a small value. */ - gettimeofday(&startTime, NULL); + getrusage(RUSAGE_SELF, &startUsage); /* Iterate over setting variable. */ for (iterations = 0; iterations < MaxIterations; iterations++) if (putenv(nameValuePair) == -1) err(EXIT_FAILURE, "putenv(nameValuePair)"); - gettimeofday(&endTime, NULL); + getrusage(RUSAGE_SELF, &endUsage); - report_time("putenv(nameValuePair)", &startTime, &endTime); + report_time("putenv(nameValuePair)", &startUsage.ru_utime, + &endUsage.ru_utime); exit(EXIT_SUCCESS); |
