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nvme/perf: add additional latency cutoffs

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Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I1aee7aba522cc816f69709cfc95d12c50a5d0f4b

Reviewed-on: https://review.gerrithub.io/367279
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Jim Harris 2017-06-23 17:40:17 -07:00 committed by Daniel Verkamp
parent 65bd6422ee
commit 79f53469eb
1 changed files with 4 additions and 1 deletions
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5
examples/nvme/perf/perf.c
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@ -90,11 +90,14 @@ static const double g_latency_cutoffs[] = {
0.75, 0.75,
0.90, 0.90,
0.95, 0.95,
0.98,
0.99, 0.99,
0.995,
0.999, 0.999,
0.9999, 0.9999,
0.99999, 0.99999,
0.999999, 0.999999,
0.9999999,
-1, -1,
}; };
@ -715,7 +718,7 @@ check_cutoff(void *ctx, uint64_t start, uint64_t end, uint64_t count,
so_far_pct = (double)so_far / total; so_far_pct = (double)so_far / total;
while (so_far_pct >= **cutoff && **cutoff > 0) { while (so_far_pct >= **cutoff && **cutoff > 0) {
printf("%8.4f%% : %9.3fus\n", **cutoff * 100, (double)end * 1000 * 1000 / g_tsc_rate); printf("%9.5f%% : %9.3fus\n", **cutoff * 100, (double)end * 1000 * 1000 / g_tsc_rate);
(*cutoff)++; (*cutoff)++;
} }
} }