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author | David Carrillo-Cisneros <davidcc@google.com> | 2017-07-17 21:25:35 -0700 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-18 23:14:28 -0300 |
commit | dfaa1580efcfb6b9537043ba0447747d7179fb26 (patch) | |
tree | 8d616d26aa2c6b250122a99ab53c52da90d1ded6 /tools/perf/util | |
parent | 6200e49423f8023eba54cf0b01076d6f8c0af6ae (diff) | |
download | op-kernel-dev-dfaa1580efcfb6b9537043ba0447747d7179fb26.zip op-kernel-dev-dfaa1580efcfb6b9537043ba0447747d7179fb26.tar.gz |
perf header: Add PROCESS_STR_FUN macro
Simplify code by adding a macro to handle the common case of processing
header features that are a simple string.
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Acked-by: David Ahern <dsahern@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170718042549.145161-3-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/header.c | 65 |
1 files changed, 17 insertions, 48 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 24e842c..3b833f0 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1603,6 +1603,23 @@ out: 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) @@ -1620,38 +1637,6 @@ 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) @@ -1671,22 +1656,6 @@ 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) |