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Commit d57da8c9 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf trace beauty mmap: Ignore 'fd' and 'offset' args for MAP_ANONYMOUS 

Just suppress them, not used by the kernel.

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-atpt07y2x9a8ttlwja94ow3j@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 6f8fe61e

tools/perf/trace/beauty/mmap.c

+3 −0
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, 
{

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



	if (flags & MAP_ANONYMOUS)

		arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */



#define	P_MMAP_FLAG(n) \

	if (flags & MAP_##n) { \

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