perf annotate: Delete session for debug builds

Use the debug build indicator as the guide to free the session. This
implements a behavior described in a comment, which is consequentially
removed.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Tom Rix <trix@redhat.com>
Cc: llvm@lists.linux.dev
Link: https://lore.kernel.org/r/20230328235543.1082207-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 4750fac7bf932659f652bcd31a9af2917de3e61d..98d1b63792307436ac18e54653597867cc17edba 100644 (file)
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -692,16 +692,12 @@ int cmd_annotate(int argc, const char **argv)
 
 out_delete:
        /*
-        * Speed up the exit process, for large files this can
-        * take quite a while.
-        *
-        * XXX Enable this when using valgrind or if we ever
-        * librarize this command.
-        *
-        * Also experiment with obstacks to see how much speed
-        * up we'll get here.
-        *
-        * perf_session__delete(session);
+        * Speed up the exit process by only deleting for debug builds. For
+        * large files this can save time.
         */
+#ifndef NDEBUG
+       perf_session__delete(annotate.session);
+#endif
+
        return ret;
 }