[PATCH RFC V7 3/7] perf,tools: introduce callgraph_set for callgraph option

[Kan Liang]

From: Kan Liang <kan.li...@intel.com>

Introduce callgraph_set to indicate whether the callgraph option was set
by user.

Signed-off-by: Kan Liang <kan.li...@intel.com>
---
 tools/perf/builtin-record.c | 9 +++++++--
 tools/perf/perf.h           | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 445a64d..f51131b 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -762,12 +762,14 @@ static void callchain_debug(void)
                         callchain_param.dump_size);
 }
 
-int record_parse_callchain_opt(const struct option *opt __maybe_unused,
+int record_parse_callchain_opt(const struct option *opt,
                               const char *arg,
                               int unset)
 {
        int ret;
+       struct record_opts *record = (struct record_opts *)opt->value;
 
+       record->callgraph_set = true;
        callchain_param.enabled = !unset;
 
        /* --no-call-graph */
@@ -784,10 +786,13 @@ int record_parse_callchain_opt(const struct option *opt 
__maybe_unused,
        return ret;
 }
 
-int record_callchain_opt(const struct option *opt __maybe_unused,
+int record_callchain_opt(const struct option *opt,
                         const char *arg __maybe_unused,
                         int unset __maybe_unused)
 {
+       struct record_opts *record = (struct record_opts *)opt->value;
+
+       record->callgraph_set = true;
        callchain_param.enabled = true;
 
        if (callchain_param.record_mode == CALLCHAIN_NONE)
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index cf459f8..cccb4cf 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -52,6 +52,7 @@ struct record_opts {
        bool         sample_weight;
        bool         sample_time;
        bool         sample_time_set;
+       bool         callgraph_set;
        bool         period;
        bool         sample_intr_regs;
        bool         running_time;
-- 
1.8.3.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/