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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-04-13 12:10:19 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-04-14 08:57:53 -0300
commitea8dc3cefba0a0decaedc710b218a6ceffe0194a (patch)
tree7476d9832a5e2218fbb7c1d31585fd12ed07c578 /tools/perf/trace
parentdf4cb1678e2ea91eb66665f00c4a43d898a12697 (diff)
downloadlinux-ea8dc3cefba0a0decaedc710b218a6ceffe0194a.tar.gz
perf trace: Move eventfd beautifiers to trace/beauty/ directory
To better organize all these beautifiers. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Milian Wolff <milian.wolff@kdab.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-zrw5zz7cnrs44o5osouyutvt@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/eventfd.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/eventfd.c b/tools/perf/trace/beauty/eventfd.c
new file mode 100644
index 000000000000..d64f4a9128a1
--- /dev/null
+++ b/tools/perf/trace/beauty/eventfd.c
@@ -0,0 +1,38 @@
+#include <sys/eventfd.h>
+
+#ifndef EFD_SEMAPHORE
+#define EFD_SEMAPHORE 1
+#endif
+
+#ifndef EFD_NONBLOCK
+#define EFD_NONBLOCK 00004000
+#endif
+
+#ifndef EFD_CLOEXEC
+#define EFD_CLOEXEC 02000000
+#endif
+
+static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+ int printed = 0, flags = arg->val;
+
+ if (flags == 0)
+ return scnprintf(bf, size, "NONE");
+#define P_FLAG(n) \
+ if (flags & EFD_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
+ flags &= ~EFD_##n; \
+ }
+
+ P_FLAG(SEMAPHORE);
+ P_FLAG(CLOEXEC);
+ P_FLAG(NONBLOCK);
+#undef P_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+ return printed;
+}
+
+#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags