From: Adrian Hunter adrian.hunter@intel.com
On some platforms, overflows will clear before MTC wraparound, and there is no following TSC/TMA packet. In that case the previous TMA is valid. Since there will be a valid TMA either way, stop setting 'have_tma' to false upon overflow.
Signed-off-by: Adrian Hunter adrian.hunter@intel.com Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1527762225-26024-4-git-send-email-adrian.hunter@int... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com --- tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c index e5eb91777383..881d7c5e5e2a 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1376,7 +1376,6 @@ static int intel_pt_overflow(struct intel_pt_decoder *decoder) { intel_pt_log("ERROR: Buffer overflow\n"); intel_pt_clear_tx_flags(decoder); - decoder->have_tma = false; decoder->cbr = 0; decoder->timestamp_insn_cnt = 0; decoder->pkt_state = INTEL_PT_STATE_ERR_RESYNC;