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Commit 5cea6ff2 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf trace: Beautify flock 'cmd' arg 

  4735.638 ( 0.003 ms): man/19881 flock(fd: 3, cmd: SH|NB) = 0
  4735.832 ( 0.002 ms): man/19881 flock(fd: 3, cmd: UN   ) = 0

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-amh3y88kh1nmclpwezqlarl8@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent eac032c5

tools/perf/builtin-trace.c

+33 −0
Original line number Diff line number Diff line
@@ -189,6 +189,37 @@ static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, 


#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior



static size_t syscall_arg__scnprintf_flock(char *bf, size_t size,

					   struct syscall_arg *arg)

{

	int printed = 0, op = arg->val;



	if (op == 0)

		return scnprintf(bf, size, "NONE");

#define	P_CMD(cmd) \

	if ((op & LOCK_##cmd) == LOCK_##cmd) { \

		printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \

		op &= ~LOCK_##cmd; \

	}



	P_CMD(SH);

	P_CMD(EX);

	P_CMD(NB);

	P_CMD(UN);

	P_CMD(MAND);

	P_CMD(RW);

	P_CMD(READ);

	P_CMD(WRITE);

#undef P_OP



	if (op)

		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);



	return printed;

}



#define SCA_FLOCK syscall_arg__scnprintf_flock



static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg)

{

	enum syscall_futex_args {
@@ -554,6 +585,8 @@ static struct syscall_fmt { 
	{ .name	    = "fcntl",	    .errmsg = true,

	  .arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ },

	  .arg_parm	 = { [1] = &strarray__fcntl_cmds, /* cmd */ }, },

	{ .name	    = "flock",	    .errmsg = true,

	  .arg_scnprintf = { [1] = SCA_FLOCK, /* cmd */ }, },

	{ .name	    = "fstat",	    .errmsg = true, .alias = "newfstat", },

	{ .name	    = "fstatat",    .errmsg = true, .alias = "newfstatat", },

	{ .name	    = "futex",	    .errmsg = true,