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1 //===- RecordPrinter.cpp - FDR Record Printer -----------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 #include "llvm/XRay/RecordPrinter.h"
9 
10 #include "llvm/Support/FormatVariadic.h"
11 
12 namespace llvm {
13 namespace xray {
14 
visit(BufferExtents & R)15 Error RecordPrinter::visit(BufferExtents &R) {
16   OS << formatv("<Buffer: size = {0} bytes>", R.size()) << Delim;
17   return Error::success();
18 }
19 
visit(WallclockRecord & R)20 Error RecordPrinter::visit(WallclockRecord &R) {
21   OS << formatv("<Wall Time: seconds = {0}.{1,0+6}>", R.seconds(), R.nanos())
22      << Delim;
23   return Error::success();
24 }
25 
visit(NewCPUIDRecord & R)26 Error RecordPrinter::visit(NewCPUIDRecord &R) {
27   OS << formatv("<CPU: id = {0}, tsc = {1}>", R.cpuid(), R.tsc()) << Delim;
28   return Error::success();
29 }
30 
visit(TSCWrapRecord & R)31 Error RecordPrinter::visit(TSCWrapRecord &R) {
32   OS << formatv("<TSC Wrap: base = {0}>", R.tsc()) << Delim;
33   return Error::success();
34 }
35 
visit(CustomEventRecord & R)36 Error RecordPrinter::visit(CustomEventRecord &R) {
37   OS << formatv(
38             "<Custom Event: tsc = {0}, cpu = {1}, size = {2}, data = '{3}'>",
39             R.tsc(), R.cpu(), R.size(), R.data())
40      << Delim;
41   return Error::success();
42 }
43 
visit(CustomEventRecordV5 & R)44 Error RecordPrinter::visit(CustomEventRecordV5 &R) {
45   OS << formatv("<Custom Event: delta = +{0}, size = {1}, data = '{2}'>",
46                 R.delta(), R.size(), R.data())
47      << Delim;
48   return Error::success();
49 }
50 
visit(TypedEventRecord & R)51 Error RecordPrinter::visit(TypedEventRecord &R) {
52   OS << formatv(
53             "<Typed Event: delta = +{0}, type = {1}, size = {2}, data = '{3}'",
54             R.delta(), R.eventType(), R.size(), R.data())
55      << Delim;
56   return Error::success();
57 }
58 
visit(CallArgRecord & R)59 Error RecordPrinter::visit(CallArgRecord &R) {
60   OS << formatv("<Call Argument: data = {0} (hex = {0:x})>", R.arg()) << Delim;
61   return Error::success();
62 }
63 
visit(PIDRecord & R)64 Error RecordPrinter::visit(PIDRecord &R) {
65   OS << formatv("<PID: {0}>", R.pid()) << Delim;
66   return Error::success();
67 }
68 
visit(NewBufferRecord & R)69 Error RecordPrinter::visit(NewBufferRecord &R) {
70   OS << formatv("<Thread ID: {0}>", R.tid()) << Delim;
71   return Error::success();
72 }
73 
visit(EndBufferRecord & R)74 Error RecordPrinter::visit(EndBufferRecord &R) {
75   OS << "<End of Buffer>" << Delim;
76   return Error::success();
77 }
78 
visit(FunctionRecord & R)79 Error RecordPrinter::visit(FunctionRecord &R) {
80   // FIXME: Support symbolization here?
81   switch (R.recordType()) {
82   case RecordTypes::ENTER:
83     OS << formatv("<Function Enter: #{0} delta = +{1}>", R.functionId(),
84                   R.delta());
85     break;
86   case RecordTypes::ENTER_ARG:
87     OS << formatv("<Function Enter With Arg: #{0} delta = +{1}>",
88                   R.functionId(), R.delta());
89     break;
90   case RecordTypes::EXIT:
91     OS << formatv("<Function Exit: #{0} delta = +{1}>", R.functionId(),
92                   R.delta());
93     break;
94   case RecordTypes::TAIL_EXIT:
95     OS << formatv("<Function Tail Exit: #{0} delta = +{1}>", R.functionId(),
96                   R.delta());
97     break;
98   case RecordTypes::CUSTOM_EVENT:
99   case RecordTypes::TYPED_EVENT:
100     // TODO: Flag as a bug?
101     break;
102   }
103   OS << Delim;
104   return Error::success();
105 }
106 
107 } // namespace xray
108 } // namespace llvm
109