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Subject[PATCH 13/85] perf intel-pt: Re-factor TIP cases in intel_pt_walk_to_ip
Date
From: Adrian Hunter <adrian.hunter@intel.com>

To make it easier to add new code for different TIP cases, separate each
case.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190520113728.14389-11-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
.../util/intel-pt-decoder/intel-pt-decoder.c | 23 ++++++++++++++-----
1 file changed, 17 insertions(+), 6 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 a2384a314990..99773445872d 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -2128,18 +2128,29 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder)
switch (decoder->packet.type) {
case INTEL_PT_TIP_PGD:
decoder->continuous_period = false;
- __fallthrough;
+ decoder->pge = false;
+ if (intel_pt_have_ip(decoder))
+ intel_pt_set_ip(decoder);
+ if (!decoder->ip)
+ break;
+ decoder->state.type |= INTEL_PT_TRACE_END;
+ return 0;
+
case INTEL_PT_TIP_PGE:
+ decoder->pge = true;
+ if (intel_pt_have_ip(decoder))
+ intel_pt_set_ip(decoder);
+ if (!decoder->ip)
+ break;
+ decoder->state.type |= INTEL_PT_TRACE_BEGIN;
+ return 0;
+
case INTEL_PT_TIP:
- decoder->pge = decoder->packet.type != INTEL_PT_TIP_PGD;
+ decoder->pge = true;
if (intel_pt_have_ip(decoder))
intel_pt_set_ip(decoder);
if (!decoder->ip)
break;
- if (decoder->packet.type == INTEL_PT_TIP_PGE)
- decoder->state.type |= INTEL_PT_TRACE_BEGIN;
- if (decoder->packet.type == INTEL_PT_TIP_PGD)
- decoder->state.type |= INTEL_PT_TRACE_END;
return 0;

case INTEL_PT_FUP:
--
2.20.1
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