perf stat: Use *SEC_PER_*SEC macros

To match how this is done in the kernel.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-gym6yshewpdegt153u8v2q5r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index e33a66bffbdb1d4a6d9f18dd9461252ab97c3747..90882b1d6a915db8288d5705e88c277e3e8be0cc 100644 (file)
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -173,7 +173,7 @@ static inline void diff_timespec(struct timespec *r, struct timespec *a,
 {
        r->tv_sec = a->tv_sec - b->tv_sec;
        if (a->tv_nsec < b->tv_nsec) {
-               r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec;
+               r->tv_nsec = a->tv_nsec + NSEC_PER_SEC - b->tv_nsec;
                r->tv_sec--;
        } else {
                r->tv_nsec = a->tv_nsec - b->tv_nsec ;
@@ -365,7 +365,7 @@ static void process_interval(void)
 static void enable_counters(void)
 {
        if (initial_delay)
-               usleep(initial_delay * 1000);
+               usleep(initial_delay * USEC_PER_MSEC);
 
        /*
         * We need to enable counters only if:
@@ -542,8 +542,8 @@ static int __run_perf_stat(int argc, const char **argv)
        bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false;
 
        if (interval) {
-               ts.tv_sec  = interval / 1000;
-               ts.tv_nsec = (interval % 1000) * 1000000;
+               ts.tv_sec  = interval / USEC_PER_MSEC;
+               ts.tv_nsec = (interval % USEC_PER_MSEC) * NSEC_PER_MSEC;
        } else {
                ts.tv_sec  = 1;
                ts.tv_nsec = 0;
@@ -972,7 +972,7 @@ static void print_metric_header(void *ctx, const char *color __maybe_unused,
 static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg)
 {
        FILE *output = stat_config.output;
-       double msecs = avg / 1e6;
+       double msecs = avg / NSEC_PER_MSEC;
        const char *fmt_v, *fmt_n;
        char name[25];
 
@@ -1461,7 +1461,7 @@ static void print_footer(void)
        if (!null_run)
                fprintf(output, "\n");
        fprintf(output, " %17.9f seconds time elapsed",
-                       avg_stats(&walltime_nsecs_stats)/1e9);
+                       avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC);
        if (run_count > 1) {
                fprintf(output, "                                        ");
                print_noise_pct(stddev_stats(&walltime_nsecs_stats),