linux-kernel - [tip:perf/core] perf augmented_raw_syscalls: Use bpf

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Message-ID: <tip-pjlf38sv3i1hbn5vzkr4y3ol@git.kernel.org>
Date:   Sat, 26 Jan 2019 02:11:31 -0800
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, jolsa@...nel.org, hpa@...or.com,
        wangnan0@...wei.com, lclaudio@...hat.com, daniel@...earbox.net,
        linux-kernel@...r.kernel.org, namhyung@...nel.org, kafai@...com,
        yhs@...com, acme@...hat.com, adrian.hunter@...el.com,
        mingo@...nel.org
Subject: [tip:perf/core] perf augmented_raw_syscalls: Use bpf_map()

Commit-ID:  56d8175a4d05ed31fe9c3053a83a5f8e08a284ee
Gitweb:     https://git.kernel.org/tip/56d8175a4d05ed31fe9c3053a83a5f8e08a284ee
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Thu, 24 Jan 2019 15:17:23 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 25 Jan 2019 15:12:10 +0100

perf augmented_raw_syscalls: Use bpf_map()

To make the code more compact and also paving the way to have the BTF
annotation to be done transparently.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@...hat.com>
Cc: Martin KaFai Lau <kafai@...com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Cc: Yonghong Song <yhs@...com>
Link: https://lkml.kernel.org/n/tip-pjlf38sv3i1hbn5vzkr4y3ol@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/examples/bpf/augmented_raw_syscalls.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/tools/perf/examples/bpf/augmented_raw_syscalls.c b/tools/perf/examples/bpf/augmented_raw_syscalls.c
index 9e9d4c66e53c..f9b2161e1ca4 100644
--- a/tools/perf/examples/bpf/augmented_raw_syscalls.c
+++ b/tools/perf/examples/bpf/augmented_raw_syscalls.c
@@ -18,23 +18,13 @@
 #include <pid_filter.h>
 
 /* bpf-output associated map */
-struct bpf_map SEC("maps") __augmented_syscalls__ = {
-	.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
-	.key_size = sizeof(int),
-	.value_size = sizeof(u32),
-	.max_entries = __NR_CPUS__,
-};
+bpf_map(__augmented_syscalls__, PERF_EVENT_ARRAY, int, u32, __NR_CPUS__);
 
 struct syscall {
 	bool	enabled;
 };
 
-struct bpf_map SEC("maps") syscalls = {
-	.type	     = BPF_MAP_TYPE_ARRAY,
-	.key_size    = sizeof(int),
-	.value_size  = sizeof(struct syscall),
-	.max_entries = 512,
-};
+bpf_map(syscalls, ARRAY, int, struct syscall, 512);
 
 struct syscall_enter_args {
 	unsigned long long common_tp_fields;