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authorAdrian Hunter <adrian.hunter@intel.com>2014-10-23 13:45:24 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-10-29 10:32:48 -0200
commit46b1fa85ff5a2e03423770b3931b97266e8ac6cf (patch)
tree1141f5e2227417cf3bff0e489eac16f0bd5e306f /tools/perf/util/vdso.c
parentf6832e1720f5cc283703cfe9ccbfb46a3fb6f548 (diff)
downloadblackbird-op-linux-46b1fa85ff5a2e03423770b3931b97266e8ac6cf.tar.gz
blackbird-op-linux-46b1fa85ff5a2e03423770b3931b97266e8ac6cf.zip
perf tools: Do not attempt to run perf-read-vdso32 if it wasn't built
popen() causes an error message to print if perf-read-vdso32 does not run. Avoid that by not trying to run it if it was not built. Ditto perf-read-vdsox32. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1414061124-26830-17-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/vdso.c')
-rw-r--r--tools/perf/util/vdso.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c
index 69daef6a17d5..5c7dd796979d 100644
--- a/tools/perf/util/vdso.c
+++ b/tools/perf/util/vdso.c
@@ -255,6 +255,16 @@ static int vdso__dso_findnew_compat(struct machine *machine,
enum dso_type dso_type;
dso_type = machine__thread_dso_type(machine, thread);
+
+#ifndef HAVE_PERF_READ_VDSO32
+ if (dso_type == DSO__TYPE_32BIT)
+ return 0;
+#endif
+#ifndef HAVE_PERF_READ_VDSOX32
+ if (dso_type == DSO__TYPE_X32BIT)
+ return 0;
+#endif
+
switch (dso_type) {
case DSO__TYPE_32BIT:
*dso = vdso__findnew_compat(machine, &vdso_info->vdso32);
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