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libperf: Add perf_thread_map struct

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Add perf_thread_map struct to libperf.

It's added as a declaration into into:

  include/perf/threadmap.h

which will be included by users.

The perf_thread_map struct definition is added into:

  include/internal/threadmap.h

which is not to be included by users, but shared within perf and
libperf.

We tried the total separation of the perf_thread_map struct in libperf,
but it lead to complications and much bigger changes in perf code, so we
decided to share the declaration.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-32-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-07-21 13:24:18 +02:00 committed by Arnaldo Carvalho de Melo
parent 38f01d8da1
commit 07acd22677
5 changed files with 35 additions and 12 deletions
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1
tools/perf/lib/Build
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@ -1,2 +1,3 @@
libperf-y += core.o
libperf-y += cpumap.o
libperf-y += threadmap.o

21
tools/perf/lib/include/internal/threadmap.h Normal file
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@ -0,0 +1,21 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_INTERNAL_THREADMAP_H
#define __LIBPERF_INTERNAL_THREADMAP_H
#include <linux/refcount.h>
#include <sys/types.h>
#include <unistd.h>
struct thread_map_data {
pid_t pid;
char *comm;
};
struct perf_thread_map {
refcount_t refcnt;
int nr;
int err_thread;
struct thread_map_data map[];
};
#endif /* __LIBPERF_INTERNAL_THREADMAP_H */

7
tools/perf/lib/include/perf/threadmap.h Normal file
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@ -0,0 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_THREADMAP_H
#define __LIBPERF_THREADMAP_H
struct perf_thread_map;
#endif /* __LIBPERF_THREADMAP_H */

5
tools/perf/lib/threadmap.c Normal file
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@ -0,0 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
#include <perf/threadmap.h>
#include <stdlib.h>
#include <linux/refcount.h>
#include <internal/threadmap.h>

13
tools/perf/util/thread_map.h
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@ -5,18 +5,7 @@
#include <sys/types.h>
#include <stdio.h>
#include <linux/refcount.h>
struct thread_map_data {
pid_t pid;
char *comm;
};
struct perf_thread_map {
refcount_t refcnt;
int nr;
int err_thread;
struct thread_map_data map[];
};
#include <internal/threadmap.h>
struct thread_map_event;