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Commit 9e9716d1 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf trace: Add beautifier for madvise behaviour/advice parm 

  [root@zoo ~]# perf trace -e madvise -a
    35299.631 ( 0.019 ms): 19553 madvise(start: 0x7f5b101d4000, len_in: 4063232, behavior: DONTNEED    ) = 0

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.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-a3twa1ia5sxt0hsxqika4efq@git.kernel.org


[ ifdef DO(NT)?DUMP to fix build on f16, from David Ahern ]
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 941557e0

tools/perf/builtin-trace.c

+40 −0
Original line number Diff line number Diff line
@@ -88,6 +88,43 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned 


#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags



static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, unsigned long arg)

{

	int behavior = arg;



	switch (behavior) {

#define	P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)

	P_MADV_BHV(NORMAL);

	P_MADV_BHV(RANDOM);

	P_MADV_BHV(SEQUENTIAL);

	P_MADV_BHV(WILLNEED);

	P_MADV_BHV(DONTNEED);

	P_MADV_BHV(REMOVE);

	P_MADV_BHV(DONTFORK);

	P_MADV_BHV(DOFORK);

	P_MADV_BHV(HWPOISON);

#ifdef MADV_SOFT_OFFLINE

	P_MADV_BHV(SOFT_OFFLINE);

#endif

	P_MADV_BHV(MERGEABLE);

	P_MADV_BHV(UNMERGEABLE);

	P_MADV_BHV(HUGEPAGE);

	P_MADV_BHV(NOHUGEPAGE);

#ifdef MADV_DONTDUMP

	P_MADV_BHV(DONTDUMP);

#endif

#ifdef MADV_DODUMP

	P_MADV_BHV(DODUMP);

#endif

#undef P_MADV_PHV

	default: break;

	}



	return scnprintf(bf, size, "%#x", behavior);

}



#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior



static struct syscall_fmt {

	const char *name;

	const char *alias;
@@ -108,6 +145,9 @@ static struct syscall_fmt { 
	{ .name	    = "ioctl",	    .errmsg = true,

	  .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, },

	{ .name	    = "lstat",	    .errmsg = true, .alias = "newlstat", },

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

	  .arg_scnprintf = { [0] = SCA_HEX,	 /* start */

			     [2] = SCA_MADV_BHV, /* behavior */ }, },

	{ .name	    = "mmap",	    .hexret = true,

	  .arg_scnprintf = { [0] = SCA_HEX,	  /* addr */

			     [2] = SCA_MMAP_PROT, /* prot */