Em Mon, Jan 13, 2014 at 03:04:00PM -0300, Arnaldo Carvalho de Melo escreveu:
> On a Ubuntu system just installed (13.10, x86_64), I'm installing the
> devel libs one by one to check if there are problems with the automatic
> disabling of features that requires libraries not installed.
> Stumbled at this:
> util/probe-event.c: At top level:
> util/probe-event.c:193:12: error: ‘get_text_start_address’ defined but
> not used [-Werror=unused-function]
> Investigating...
This patch below fixes it, applying.
Jiri, this is something else for the give-me-more-ponies list for
tests/make: build it on freshly provisioned systems with multiple mixes
of devel packages installed ;-)
- Arnaldo
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 86ed858..a4ee6b4 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -172,6 +172,7 @@ const char *kernel_get_module_path(const char *module)
return (dso) ? dso->long_name : NULL;
}
+#ifdef HAVE_DWARF_SUPPORT
/* Copied from unwind.c */
static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
GElf_Shdr *shp, const char *name)
@@ -217,6 +218,7 @@ out:
elf_end(elf);
return ret;
}
+#endif
static int init_user_exec(void)
{
@@ -750,7 +752,8 @@ static int kprobe_convert_to_perf_probe(struct
probe_trace_point *tp,
static int try_to_find_probe_trace_events(struct perf_probe_event *pev,
struct probe_trace_event **tevs __maybe_unused,
- int max_tevs __maybe_unused, const char *target)
+ int max_tevs __maybe_unused,
+ const char *target __maybe_unused)
{
if (perf_probe_event_need_dwarf(pev)) {
pr_warning("Debuginfo-analysis is not supported.\n");
--
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