perf record: Add support for using symbols in address filters
Symbols come from either the DSO or /proc/kallsyms for the kernel.
Details of the functionality can be found in Documentation/perf-record.txt.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: http://lkml.kernel.org/r/1474641528-18776-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 962adcf..67d2a90 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1581,6 +1581,18 @@
if (err)
goto out;
+ /*
+ * Allow aliases to facilitate the lookup of symbols for address
+ * filters. Refer to auxtrace_parse_filters().
+ */
+ symbol_conf.allow_aliases = true;
+
+ symbol__init(NULL);
+
+ err = auxtrace_parse_filters(rec->evlist);
+ if (err)
+ goto out;
+
if (dry_run)
goto out;
@@ -1594,8 +1606,6 @@
err = -ENOMEM;
- symbol__init(NULL);
-
if (symbol_conf.kptr_restrict)
pr_warning(
"WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,\n"
