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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-12-17 11:55:57 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-12-18 16:07:42 -0300
commit601d66d43309534eb7a268bdc42c205521014645 (patch)
tree938d474607077e425c175ca5e3533ab44193d744 /tools/perf/trace
parentc65c83ffe904590162bd762be185ac4d53ce5a85 (diff)
perf trace beauty: Print O_RDONLY when (flags & O_ACCMODE) == 0
And there are more flags, to match strace's output. openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 Also to help with regression tests. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-ofovpmvdli3bwch30936xn7t@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/trace')
-rw-r--r--tools/perf/trace/beauty/open_flags.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c
index 6da48893a1bb..78f6566ef110 100644
--- a/tools/perf/trace/beauty/open_flags.c
+++ b/tools/perf/trace/beauty/open_flags.c
@@ -27,8 +27,10 @@ size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool sh
const char *prefix = "O_";
int printed = 0;
+ if ((flags & O_ACCMODE) == O_RDONLY)
+ printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", "RDONLY");
if (flags == 0)
- return scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", "RDONLY");
+ return printed;
#define P_FLAG(n) \
if (flags & O_##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \