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@@ -83,7 +83,7 @@ main(int argc, char **argv)
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event_base_loop(tor_libevent_get_base(), 0);
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- uint64_t total_difference = 0;
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+ int64_t total_difference = 0;
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uint64_t total_square_difference = 0;
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tor_assert(n_fired == n_active_timers);
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for (i = 0; i < N_TIMERS; ++i) {
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@@ -92,11 +92,11 @@ main(int argc, char **argv)
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continue;
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}
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tor_assert(fired[i] == 1);
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- uint64_t diff = difference[i].tv_usec + difference[i].tv_sec * 1000000;
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+ int64_t diff = difference[i].tv_usec + difference[i].tv_sec * 1000000;
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total_difference += diff;
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total_square_difference += diff*diff;
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}
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- const uint64_t mean_diff = total_difference / n_active_timers;
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+ const int64_t mean_diff = total_difference / n_active_timers;
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printf("mean difference: "U64_FORMAT" usec\n",
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U64_PRINTF_ARG(mean_diff));
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@@ -105,11 +105,16 @@ main(int argc, char **argv)
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const double stddev = sqrt(mean_sq - sq_mean);
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printf("standard deviation: %lf usec\n", stddev);
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- if (mean_diff > 500*1000 || stddev > 500*1000) {
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+#define MAX_DIFF_USEC (500*1000)
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+#define MAX_STDDEV_USEC (500*1000)
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+#define ODD_DIFF_USEC (2000)
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+#define ODD_STDDEV_USEC (2000)
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+
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+ if (mean_diff < 0 || mean_diff > MAX_DIFF_USEC || stddev > MAX_STDDEV_USEC) {
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printf("Either your system is under ridiculous load, or the "
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"timer backend is broken.\n");
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ret = 1;
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- } else if (mean_diff > 2000 || stddev > 2000) {
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+ } else if (mean_diff > ODD_DIFF_USEC || stddev > ODD_STDDEV_USEC) {
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printf("Either your system is a bit slow or the "
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"timer backend is odd.\n");
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ret = 0;
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