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perf trace beauty: Export strarray for use in per-object beautifiers 

Like will be done with fcntl(fd, F_GETLEASE, F_RDLCK|F_WRLCK|F_UNLCK)

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-3p11bgirtntjfmbixfkz8i2m@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-07-17 10:31:42 -03:00
parent 1f41873c22
commit 0ae79636e3
2 changed files with 27 additions and 20 deletions
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27
tools/perf/builtin-trace.c
View File

@ -283,34 +283,21 @@ out_delete:
({ struct syscall_tp *fields = evsel->priv; \
fields->name.pointer(&fields->name, sample); })
struct strarray {
int offset;
int nr_entries;
const char **entries;
};
size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val)
{
int idx = val - sa->offset;
#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
.nr_entries = ARRAY_SIZE(array), \
.entries = array, \
}
if (idx < 0 || idx >= sa->nr_entries)
return scnprintf(bf, size, intfmt, val);
#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
.offset = off, \
.nr_entries = ARRAY_SIZE(array), \
.entries = array, \
return scnprintf(bf, size, "%s", sa->entries[idx]);
}
static size_t __syscall_arg__scnprintf_strarray(char *bf, size_t size,
const char *intfmt,
struct syscall_arg *arg)
{
struct strarray *sa = arg->parm;
int idx = arg->val - sa->offset;
if (idx < 0 || idx >= sa->nr_entries)
return scnprintf(bf, size, intfmt, arg->val);
return scnprintf(bf, size, "%s", sa->entries[idx]);
return strarray__scnprintf(arg->parm, bf, size, intfmt, arg->val);
}
static size_t syscall_arg__scnprintf_strarray(char *bf, size_t size,

20
tools/perf/trace/beauty/beauty.h
View File

@ -1,8 +1,28 @@
#ifndef _PERF_TRACE_BEAUTY_H
#define _PERF_TRACE_BEAUTY_H
#include <linux/kernel.h>
#include <linux/types.h>
struct strarray {
int offset;
int nr_entries;
const char **entries;
};
#define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
.nr_entries = ARRAY_SIZE(array), \
.entries = array, \
}
#define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
.offset = off, \
.nr_entries = ARRAY_SIZE(array), \
.entries = array, \
}
size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val);
struct trace;
struct thread;