Commit-ID: d57da8c9a5e11e7786931cfa1fd744969f530b2e Gitweb: http://git.kernel.org/tip/d57da8c9a5e11e7786931cfa1fd744969f530b2e Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Wed, 19 Jul 2017 12:16:15 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Thu, 20 Jul 2017 09:55:51 -0300
perf trace beauty mmap: Ignore 'fd' and 'offset' args for MAP_ANONYMOUS Just suppress them, not used by the kernel. Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/trace/beauty/mmap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c index af1cfde..754558f 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -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); \
