| 1 | |
| 2 |
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| 3 | #define __printf(a, b) __attribute__((format(printf, a, b)))
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| 4 |
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| 5 | #include <stdio.h>
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| 6 | #include <stdarg.h>
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| 7 | #include <unistd.h>
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| 8 | #include <linux/compiler.h>
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| 9 | #include <perf/core.h>
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| 10 | #include <internal/lib.h>
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| 11 | #include "internal.h"
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| 12 |
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| 13 | static int __base_pr(enum libperf_print_level level __maybe_unused, const char *format,
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| 14 | va_list args)
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| 15 | {
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| 16 | return vfprintf(stderr, format, args);
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| 17 | }
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| 18 |
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| 19 | static libperf_print_fn_t __libperf_pr = __base_pr;
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| 20 |
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| 21 | __printf(2, 3)
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| 22 | void libperf_print(enum libperf_print_level level, const char *format, ...)
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| 23 | {
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| 24 | va_list args;
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| 25 |
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| 26 | if (!__libperf_pr)
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| 27 | return;
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| 28 |
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| 29 | va_start(args, format);
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| 30 | __libperf_pr(level, format, args);
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| 31 | va_end(args);
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| 32 | }
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| 33 |
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| 34 | void libperf_init(libperf_print_fn_t fn)
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| 35 | {
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| 36 | page_size = sysconf(_SC_PAGE_SIZE);
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| 37 | __libperf_pr = fn;
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| 38 | }
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