sync_switch is a facility to synchronize decoding more closely with the
point in the kernel when the context actually switched.

In one case, INTEL_PT_SS_NOT_TRACING state was not correctly transitioning
to INTEL_PT_SS_TRACING state due to a missing case clause. Add it.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
Cc: sta...@vger.kernel.org
---
 tools/perf/util/intel-pt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 492986a25ef6..3db7f0ee52a8 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1521,6 +1521,7 @@ static int intel_pt_sample(struct intel_pt_queue *ptq)
 
        if (intel_pt_is_switch_ip(ptq, state->to_ip)) {
                switch (ptq->switch_state) {
+               case INTEL_PT_SS_NOT_TRACING:
                case INTEL_PT_SS_UNKNOWN:
                case INTEL_PT_SS_EXPECTING_SWITCH_IP:
                        err = intel_pt_next_tid(pt, ptq);
-- 
1.9.1

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