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e52434a2e4
commit 7621e38bf3
Author: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Date: Tue Jan 29 17:43:45 2019 +0000
Add generic hp-timing support
removed the clock_gettime option. Restore the clock_gettime option for
some x86 CPUs on which value from RDTSC may not be incremented at a fixed
rate.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* Define timing macros.
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Copyright (C) 2013-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#undef attribute_hidden
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#define attribute_hidden
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#ifdef USE_CLOCK_GETTIME
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# include <sysdeps/generic/hp-timing.h>
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#else
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# include <hp-timing.h>
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#endif
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#include <stdint.h>
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#define GL(x) _##x
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#define GLRO(x) _##x
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typedef hp_timing_t timing_t;
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#define TIMING_TYPE "hp_timing"
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#define TIMING_NOW(var) HP_TIMING_NOW (var)
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#define TIMING_DIFF(diff, start, end) HP_TIMING_DIFF ((diff), (start), (end))
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#define TIMING_ACCUM(sum, diff) HP_TIMING_ACCUM_NT ((sum), (diff))
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#define TIMING_PRINT_MEAN(d_total_s, d_iters) \
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printf ("\t%g", (d_total_s) / (d_iters))
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