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authorAdrian Hunter <adrian.hunter@intel.com>2019-02-06 13:39:46 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-02-06 16:27:54 +0300
commit26ee2bcdea33c60aa833cc32a1624ef5d49c9c6f (patch)
tree4be40bc9e16c42bc1df67e48a62e5aef48646666 /tools/perf/util/intel-pt-decoder
parent03997612904866abe7cdcc992784ef65cb3a4b81 (diff)
downloadlinux-26ee2bcdea33c60aa833cc32a1624ef5d49c9c6f.tar.xz
perf intel-pt: Packet splitting can happen only on 32-bit
Data is copied when the trace is stopped, so packets are never split between buffers except when processing if the buffer cannot fit in the address space which can only happen on 32-bit systems. Change the logic to reflect that. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190206103947.15750-5-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intel-pt-decoder')
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c2
1 files changed, 1 insertions, 1 deletions
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 a54d6c9a4601..6e03db142091 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -868,7 +868,7 @@ static int intel_pt_get_next_packet(struct intel_pt_decoder *decoder)
ret = intel_pt_get_packet(decoder->buf, decoder->len,
&decoder->packet);
- if (ret == INTEL_PT_NEED_MORE_BYTES &&
+ if (ret == INTEL_PT_NEED_MORE_BYTES && BITS_PER_LONG == 32 &&
decoder->len < INTEL_PT_PKT_MAX_SZ && !decoder->next_buf) {
ret = intel_pt_get_split_packet(decoder);
if (ret < 0)