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13 June 2022, 11:31:42 UTC
Revision 66dd86b2a2bee129c70f7ff054d3a6a2e5f8eb20 authored by Ian Rogers on 14 January 2021, 18:02:50 UTC, committed by Arnaldo Carvalho de Melo on 15 January 2021, 20:28:27 UTC 
libperf tests: Fail when failing to get a tracepoint id
 
Permissions are necessary to get a tracepoint id. Fail the test when the
read fails.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20210114180250.3853825-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1 parent bba2ea1
Raw File
Tip revision: 66dd86b2a2bee129c70f7ff054d3a6a2e5f8eb20 authored by Ian Rogers on 14 January 2021, 18:02:50 UTC
libperf tests: Fail when failing to get a tracepoint id
Tip revision: 66dd86b
bounds.c 
// SPDX-License-Identifier: GPL-2.0
/*
 * Generate definitions needed by the preprocessor.
 * This code generates raw asm output which is post-processed
 * to extract and format the required data.
 */

#define __GENERATING_BOUNDS_H
/* Include headers that define the enum constants of interest */
#include <linux/page-flags.h>
#include <linux/mmzone.h>
#include <linux/kbuild.h>
#include <linux/log2.h>
#include <linux/spinlock_types.h>

int main(void)
{
	/* The enum constants to put into include/generated/bounds.h */
	DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
	DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
#ifdef CONFIG_SMP
	DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
#endif
	DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
	/* End of constants */

	return 0;
}
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