diff options
Diffstat (limited to 'agent/protect.c')
-rw-r--r-- | agent/protect.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/agent/protect.c b/agent/protect.c index 3073fc4de..90690d950 100644 --- a/agent/protect.c +++ b/agent/protect.c @@ -23,6 +23,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <time.h> #include <ctype.h> #include <assert.h> #include <unistd.h> @@ -104,11 +105,14 @@ calibrate_get_time (struct calibrate_time_s *data) &data->creation_time, &data->exit_time, &data->kernel_time, &data->user_time); # endif -#else - struct tms tmp; +#elif defined (CLOCK_THREAD_CPUTIME_ID) + struct timespec tmp; - times (&tmp); - data->ticks = tmp.tms_utime; + clock_gettime (CLOCK_THREAD_CPUTIME_ID, &tmp); + data->ticks = (clock_t)(((unsigned long long)tmp.tv_sec * 1000000000 + + tmp.tv_nsec) * CLOCKS_PER_SEC / 1000000000); +#else + data->ticks = clock (); #endif } @@ -135,7 +139,7 @@ calibrate_elapsed_time (struct calibrate_time_s *starttime) } #else return (unsigned long)((((double) (stoptime.ticks - starttime->ticks)) - /CLOCKS_PER_SEC)*10000000); + /CLOCKS_PER_SEC)*1000); #endif } @@ -159,7 +163,7 @@ calibrate_s2k_count_one (unsigned long count) /* Measure the time we need to do the hash operations and deduce an - S2K count which requires about 100ms of time. */ + S2K count which requires roughly some targeted amount of time. */ static unsigned long calibrate_s2k_count (void) { @@ -171,11 +175,11 @@ calibrate_s2k_count (void) ms = calibrate_s2k_count_one (count); if (opt.verbose > 1) log_info ("S2K calibration: %lu -> %lums\n", count, ms); - if (ms > 100) + if (ms > AGENT_S2K_CALIBRATION) break; } - count = (unsigned long)(((double)count / ms) * 100); + count = (unsigned long)(((double)count / ms) * AGENT_S2K_CALIBRATION); count /= 1024; count *= 1024; if (count < 65536) |