perf trace: Add getrandom beautifier related defines for older systems

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Apr 14, 2016 perf events

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2016-04-14 13:34 UTC #0 lore raw

Commit-ID:  a355a61e43484ac02553b34b5f84ee84ca765fd6
Gitweb:     http://git.kernel.org/tip/a355a61e43484ac02553b34b5f84ee84ca765fd6
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Wed, 13 Apr 2016 11:55:18 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Thu, 14 Apr 2016 08:57:53 -0300

perf trace: Add getrandom beautifier related defines for older systems

Were the detached tarball (make perf-tar-src-pkg) build was failing because those definitions aren't available in the system headers.

On RHEL7, for instance:

builtin-trace.c: In function ‘syscall_arg__scnprintf_getrandom_flags’:
builtin-trace.c:1113:14: error: ‘GRND_RANDOM’ undeclared (first use in this function)

    P_FLAG(RANDOM);
                ^
  builtin-trace.c:1114:14: error: ‘GRND_NONBLOCK’ undeclared (first use in this function)
    P_FLAG(NONBLOCK);
              ^

Cc Adrian Hunter <[email protected]>

Cc David Ahern <[email protected]>

Cc Jiri Olsa <[email protected]>

Cc Milian Wolff <[email protected]>

Cc Namhyung Kim <[email protected]>

Cc Wang Nan <[email protected]>

Link http://lkml.kernel.org/n/[email protected] open here

Signed-off-by Arnaldo Carvalho de Melo <[email protected]>

---
 tools/perf/builtin-trace.c | 7 +++++++
 1 file changed, 7 insertions(+)

tools/perf/builtin-trace.c +7 -0

index 246866c..653d4c7 100644
@@ -1110,6 +1110,13 @@ static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size,
 
 #define SCA_SECCOMP_FLAGS syscall_arg__scnprintf_seccomp_flags
 
+#ifndef GRND_NONBLOCK
+#define GRND_NONBLOCK	0x0001
+#endif
+#ifndef GRND_RANDOM
+#define GRND_RANDOM	0x0002
+#endif
+
 static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size,
 						   struct syscall_arg *arg)
 {