perf intel-pt: Factor out intel_pt_reposition()
Factor out intel_pt_reposition() so it can be reused. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20190604130017.31207-7-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -494,6 +494,14 @@ static inline void intel_pt_update_sample_time(struct intel_pt_decoder *decoder)
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decoder->sample_insn_cnt = decoder->timestamp_insn_cnt;
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}
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static void intel_pt_reposition(struct intel_pt_decoder *decoder)
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{
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decoder->ip = 0;
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decoder->pkt_state = INTEL_PT_STATE_NO_PSB;
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decoder->timestamp = 0;
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decoder->have_tma = false;
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}
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static int intel_pt_get_data(struct intel_pt_decoder *decoder)
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{
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struct intel_pt_buffer buffer = { .buf = 0, };
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@ -512,11 +520,8 @@ static int intel_pt_get_data(struct intel_pt_decoder *decoder)
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return -ENODATA;
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}
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if (!buffer.consecutive) {
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decoder->ip = 0;
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decoder->pkt_state = INTEL_PT_STATE_NO_PSB;
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intel_pt_reposition(decoder);
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decoder->ref_timestamp = buffer.ref_timestamp;
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decoder->timestamp = 0;
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decoder->have_tma = false;
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decoder->state.trace_nr = buffer.trace_nr;
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intel_pt_log("Reference timestamp 0x%" PRIx64 "\n",
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decoder->ref_timestamp);
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