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Message-Id: <20170523074853.54892-3-davidcc@google.com>
Date: Tue, 23 May 2017 00:48:42 -0700
From: David Carrillo-Cisneros <davidcc@...gle.com>
To: linux-kernel@...r.kernel.org
Cc: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>, Simon Que <sque@...omium.org>,
Wang Nan <wangnan0@...wei.com>, Jiri Olsa <jolsa@...nel.org>,
He Kuang <hekuang@...wei.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
David Ahern <dsa@...ulusnetworks.com>,
Namhyung Kim <namhyung@...nel.org>,
Stephane Eranian <eranian@...gle.com>,
Paul Turner <pjt@...gle.com>,
David Carrillo-Cisneros <davidcc@...gle.com>
Subject: [PATCH v2 02/13] perf header: add PROCESS_STR_FUN macro
Simplify code by adding a macro to handle the common case
of processing header features that a simple string.
Signed-off-by: David Carrillo-Cisneros <davidcc@...gle.com>
---
tools/perf/util/header.c | 65 +++++++++++++-----------------------------------
1 file changed, 17 insertions(+), 48 deletions(-)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 1dd4dbe13f88..8f9200724979 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1593,6 +1593,23 @@ static int perf_header__read_build_ids(struct perf_header *header,
return err;
}
+/* Macro for features that simply need to read and store a string. */
+#define FEAT_PROCESS_STR_FUN(__feat, __feat_env) \
+static int process_##__feat(struct perf_file_section *section __maybe_unused, \
+ struct perf_header *ph, int fd, \
+ void *data __maybe_unused) \
+{\
+ ph->env.__feat_env = do_read_string(fd, ph); \
+ return ph->env.__feat_env ? 0 : -ENOMEM; \
+}
+
+FEAT_PROCESS_STR_FUN(hostname, hostname);
+FEAT_PROCESS_STR_FUN(osrelease, os_release);
+FEAT_PROCESS_STR_FUN(version, version);
+FEAT_PROCESS_STR_FUN(arch, arch);
+FEAT_PROCESS_STR_FUN(cpudesc, cpu_desc);
+FEAT_PROCESS_STR_FUN(cpuid, cpuid);
+
static int process_tracing_data(struct perf_file_section *section __maybe_unused,
struct perf_header *ph __maybe_unused,
int fd, void *data)
@@ -1610,38 +1627,6 @@ static int process_build_id(struct perf_file_section *section,
return 0;
}
-static int process_hostname(struct perf_file_section *section __maybe_unused,
- struct perf_header *ph, int fd,
- void *data __maybe_unused)
-{
- ph->env.hostname = do_read_string(fd, ph);
- return ph->env.hostname ? 0 : -ENOMEM;
-}
-
-static int process_osrelease(struct perf_file_section *section __maybe_unused,
- struct perf_header *ph, int fd,
- void *data __maybe_unused)
-{
- ph->env.os_release = do_read_string(fd, ph);
- return ph->env.os_release ? 0 : -ENOMEM;
-}
-
-static int process_version(struct perf_file_section *section __maybe_unused,
- struct perf_header *ph, int fd,
- void *data __maybe_unused)
-{
- ph->env.version = do_read_string(fd, ph);
- return ph->env.version ? 0 : -ENOMEM;
-}
-
-static int process_arch(struct perf_file_section *section __maybe_unused,
- struct perf_header *ph, int fd,
- void *data __maybe_unused)
-{
- ph->env.arch = do_read_string(fd, ph);
- return ph->env.arch ? 0 : -ENOMEM;
-}
-
static int process_nrcpus(struct perf_file_section *section __maybe_unused,
struct perf_header *ph, int fd,
void *data __maybe_unused)
@@ -1661,22 +1646,6 @@ static int process_nrcpus(struct perf_file_section *section __maybe_unused,
return 0;
}
-static int process_cpudesc(struct perf_file_section *section __maybe_unused,
- struct perf_header *ph, int fd,
- void *data __maybe_unused)
-{
- ph->env.cpu_desc = do_read_string(fd, ph);
- return ph->env.cpu_desc ? 0 : -ENOMEM;
-}
-
-static int process_cpuid(struct perf_file_section *section __maybe_unused,
- struct perf_header *ph, int fd,
- void *data __maybe_unused)
-{
- ph->env.cpuid = do_read_string(fd, ph);
- return ph->env.cpuid ? 0 : -ENOMEM;
-}
-
static int process_total_mem(struct perf_file_section *section __maybe_unused,
struct perf_header *ph, int fd,
void *data __maybe_unused)
--
2.13.0.219.gdb65acc882-goog
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