linux/tools/perf/trace/beauty/beauty.h
Arnaldo Carvalho de Melo 84486caad9 perf trace: Allow syscall_arg beautifiers to set a different return formatter
Things like fcntl will use this to set the right formatter based on its
'cmd' argument.

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-4ea3wplb8b4j7aymj0d5uo0h@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-07-18 23:13:57 -03:00

61 lines
2.1 KiB
C

#ifndef _PERF_TRACE_BEAUTY_H
#define _PERF_TRACE_BEAUTY_H
#include <linux/types.h>
struct trace;
struct thread;
/**
* @val: value of syscall argument being formatted
* @args: All the args, use syscall_args__val(arg, nth) to access one
* @thread: tid state (maps, pid, tid, etc)
* @trace: 'perf trace' internals: all threads, etc
* @parm: private area, may be an strarray, for instance
* @idx: syscall arg idx (is this the first?)
* @mask: a syscall arg may mask another arg, see syscall_arg__scnprintf_futex_op
*/
struct syscall_arg {
unsigned long val;
unsigned char *args;
struct thread *thread;
struct trace *trace;
void *parm;
u8 idx;
u8 mask;
};
unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx);
size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_STRARRAYS syscall_arg__scnprintf_strarrays
size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_HEX syscall_arg__scnprintf_hex
size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_INT syscall_arg__scnprintf_int
size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_LONG syscall_arg__scnprintf_long
size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd
size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg
size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags
size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_STATX_MASK syscall_arg__scnprintf_statx_mask
size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size);
void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,
size_t (*ret_scnprintf)(unsigned long val, char *bf, size_t size));
#endif /* _PERF_TRACE_BEAUTY_H */