[PATCH 2/9] perf intel-pt: Consolidate thread-stack use condition

[Adrian Hunter]

The components of the condition do not change, so consolidate them in one
variable.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
 tools/perf/util/intel-pt.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 865e79ccf55b..afc42a6e4e00 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -68,6 +68,7 @@ struct intel_pt {
        bool est_tsc;
        bool sync_switch;
        bool mispred_all;
+       bool use_thread_stack;
        int have_sched_switch;
        u32 pmu_type;
        u64 kernel_start;
@@ -2028,8 +2029,7 @@ static int intel_pt_sample(struct intel_pt_queue *ptq)
        if (!(state->type & INTEL_PT_BRANCH))
                return 0;
 
-       if (pt->synth_opts.callchain || pt->synth_opts.add_callchain ||
-           pt->synth_opts.thread_stack)
+       if (pt->use_thread_stack)
                thread_stack__event(ptq->thread, ptq->cpu, ptq->flags, 
state->from_ip,
                                    state->to_ip, ptq->insn_len,
                                    state->trace_nr, true, 0, 0);
@@ -3440,6 +3440,10 @@ int intel_pt_process_auxtrace_info(union perf_event 
*event,
                        goto err_delete_thread;
        }
 
+       pt->use_thread_stack = pt->synth_opts.callchain ||
+                              pt->synth_opts.add_callchain ||
+                              pt->synth_opts.thread_stack;
+
        err = intel_pt_synth_events(pt, session);
        if (err)
                goto err_delete_thread;
-- 
2.17.1