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https://github.com/torvalds/linux
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3ce311afb5
Move libperf from its current location under tools/perf to a separate directory under tools/lib/. Also change various paths (mainly includes) to reflect the libperf move to a separate directory and add a new directory under MANIFEST. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20191206210612.8676-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
39 lines
792 B
C
39 lines
792 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#define __printf(a, b) __attribute__((format(printf, a, b)))
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <linux/compiler.h>
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#include <perf/core.h>
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#include <internal/lib.h>
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#include "internal.h"
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static int __base_pr(enum libperf_print_level level __maybe_unused, const char *format,
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va_list args)
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{
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return vfprintf(stderr, format, args);
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}
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static libperf_print_fn_t __libperf_pr = __base_pr;
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__printf(2, 3)
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void libperf_print(enum libperf_print_level level, const char *format, ...)
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{
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va_list args;
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if (!__libperf_pr)
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return;
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va_start(args, format);
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__libperf_pr(level, format, args);
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va_end(args);
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}
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void libperf_init(libperf_print_fn_t fn)
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{
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page_size = sysconf(_SC_PAGE_SIZE);
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__libperf_pr = fn;
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}
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