Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
514 B
C
32 lines
514 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdlib.h>
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#include "../tests.h"
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#define BENCH_RUNS 999999
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#ifdef __aarch64__
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static void trap_bench(void)
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{
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unsigned long val;
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asm("mrs %0, ID_AA64ISAR0_EL1" : "=r" (val)); /* TRAP + ERET */
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}
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#else
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static void trap_bench(void) { }
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#endif
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static int traploop(int argc, const char **argv)
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{
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int num_loops = BENCH_RUNS;
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if (argc > 0)
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num_loops = atoi(argv[0]);
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for (int i = 0; i < num_loops; i++)
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trap_bench();
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return 0;
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}
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DEFINE_WORKLOAD(traploop);
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