clean up
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parent
5460ef87b7
commit
5d5c7f1584
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@ -27,21 +27,23 @@ tsc(void)
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return ((uint64_t)high << 32) | low;
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return ((uint64_t)high << 32) | low;
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}
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}
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static
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static uint64_t
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uint64_t get_tsc_frequency() {
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get_tsc_frequency()
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uint32_t high, low;
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{
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__asm__ volatile("rdtsc" : "=a" (low), "=d" (high));
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uint32_t high, low;
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__asm__ volatile("rdtsc");
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__asm__ volatile("rdtsc" : "=a"(low), "=d"(high));
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return ((uint64_t)high << 32) | low;
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__asm__ volatile("rdtsc");
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return ((uint64_t)high << 32) | low;
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}
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}
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double
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double
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tsc_ticks_to_ns(uint64_t tsc_ticks) {
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tsc_ticks_to_ns(uint64_t tsc_ticks)
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static uint64_t tsc_freq = 0;
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{
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if (tsc_freq == 0) {
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static uint64_t tsc_freq = 0;
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tsc_freq = get_tsc_frequency();
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if (tsc_freq == 0) {
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}
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tsc_freq = get_tsc_frequency();
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return (double)tsc_ticks / (double)tsc_freq * 1e9;
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}
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return (double)tsc_ticks / (double)tsc_freq * 1e9;
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}
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}
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void
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void
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15
tests/test.c
15
tests/test.c
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@ -696,8 +696,8 @@ test_perf_span_solo(const MunitParameter params[], void *data)
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}
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}
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}
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}
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uint64_t est = EST_MEDIAN_GET(solo);
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uint64_t est = EST_MEDIAN_GET(solo);
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fprintf(stdout, "median time %zu or %f ns\n", est, tsc_ticks_to_ns(est)); // measured 228
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// fprintf(stdout, "median time %zu or %f ns\n", est, tsc_ticks_to_ns(est)); // measured 228
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assert_true(EST_MEDIAN_GET(solo) < 500);
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assert_true(est < 500);
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fflush(stdout);
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fflush(stdout);
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return MUNIT_OK;
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return MUNIT_OK;
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@ -743,15 +743,16 @@ test_perf_span_tainted(const MunitParameter params[], void *data)
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if (located_at >= placed_at)
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if (located_at >= placed_at)
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logf("b: i = %d, j = %d\tplaced_at %d located_at %d\n", i, j, placed_at, located_at);
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logf("b: i = %d, j = %d\tplaced_at %d located_at %d\n", i, j, placed_at, located_at);
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// assert_true(located_at >= placed_at);
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// assert_true(located_at >= placed_at);
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//start = tsc();
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// start = tsc();
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//located_at = sparsemap_span(map, (placed_at < j ? 0 : placed_at / 2), i);
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// located_at = sparsemap_span(map, (placed_at < j ? 0 : placed_at / 2), i);
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//stop = tsc();
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// stop = tsc();
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//EST_MEDIAN_ADD(solo, stop - start);
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// EST_MEDIAN_ADD(solo, stop - start);
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// assert_true(placed_at == located_at);
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// assert_true(placed_at == located_at);
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}
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}
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}
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}
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uint64_t est = EST_MEDIAN_GET(tainted);
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uint64_t est = EST_MEDIAN_GET(tainted);
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fprintf(stdout, "median time %zu or %f ns\n", est, tsc_ticks_to_ns(est)); // measured 228
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// fprintf(stdout, "median time %zu or %f ns\n", est, tsc_ticks_to_ns(est)); // measured 228
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assert_true(est < 500);
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return MUNIT_OK;
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return MUNIT_OK;
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}
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}
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