Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH 4/5] perf intel-pt: Packet splitting can happen only on 32-bit | Date | Wed, 6 Feb 2019 12:39:46 +0200 |
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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> --- tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 2 +- 1 file changed, 1 insertion(+), 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 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) -- 2.17.1
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