linux_dsm_epyc7002/tools/lib/perf/core.c
Jiri Olsa 3ce311afb5 libperf: Move to tools/lib/perf
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>
2020-01-06 11:46:09 -03:00

39 lines
792 B
C

// SPDX-License-Identifier: GPL-2.0-only
#define __printf(a, b) __attribute__((format(printf, a, b)))
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <linux/compiler.h>
#include <perf/core.h>
#include <internal/lib.h>
#include "internal.h"
static int __base_pr(enum libperf_print_level level __maybe_unused, const char *format,
va_list args)
{
return vfprintf(stderr, format, args);
}
static libperf_print_fn_t __libperf_pr = __base_pr;
__printf(2, 3)
void libperf_print(enum libperf_print_level level, const char *format, ...)
{
va_list args;
if (!__libperf_pr)
return;
va_start(args, format);
__libperf_pr(level, format, args);
va_end(args);
}
void libperf_init(libperf_print_fn_t fn)
{
page_size = sysconf(_SC_PAGE_SIZE);
__libperf_pr = fn;
}