diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2014-10-23 13:45:24 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-10-29 10:32:48 -0200 |
| commit | 46b1fa85ff5a2e03423770b3931b97266e8ac6cf (patch) | |
| tree | 1141f5e2227417cf3bff0e489eac16f0bd5e306f /tools/perf/util/vdso.c | |
| parent | perf tools: Add support for 32-bit compatibility VDSOs (diff) | |
| download | linux-dev-46b1fa85ff5a2e03423770b3931b97266e8ac6cf.tar.xz linux-dev-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.c | 10 |
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); |