perf intel-pt: Clear FUP flag on error
authorAdrian Hunter <adrian.hunter@intel.com>
Fri, 26 May 2017 08:17:09 +0000 (11:17 +0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 21 Jun 2017 14:35:47 +0000 (11:35 -0300)
Sometimes a FUP packet is associated with a TSX transaction and a flag is
set to indicate that. Ensure that flag is cleared on any error condition
because at that point the decoder can no longer assume it is correct.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1495786658-18063-9-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c

index 923c60efda264dd804c87f14b45e46a651782fff..a97710162e07be4ae1da61c7a9e331e24e39c349 100644 (file)
@@ -1962,6 +1962,8 @@ static int intel_pt_sync_ip(struct intel_pt_decoder *decoder)
 {
        int err;
 
+       decoder->set_fup_tx_flags = false;
+
        intel_pt_log("Scanning for full IP\n");
        err = intel_pt_walk_to_ip(decoder);
        if (err)