xref: /freebsd-src/contrib/llvm-project/llvm/lib/XRay/BlockPrinter.cpp (revision 0b57cec536236d46e3dba9bd041533462f33dbb7) 
1*0b57cec5SDimitry Andric //===- BlockPrinter.cpp - FDR Block Pretty Printer Implementation --------===//
2*0b57cec5SDimitry Andric //
3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric //
7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric #include "llvm/XRay/BlockPrinter.h"
9*0b57cec5SDimitry Andric 
10*0b57cec5SDimitry Andric namespace llvm {
11*0b57cec5SDimitry Andric namespace xray {
12*0b57cec5SDimitry Andric 
visit(BufferExtents & R)13*0b57cec5SDimitry Andric Error BlockPrinter::visit(BufferExtents &R) {
14*0b57cec5SDimitry Andric   OS << "\n[New Block]\n";
15*0b57cec5SDimitry Andric   CurrentState = State::Preamble;
16*0b57cec5SDimitry Andric   return RP.visit(R);
17*0b57cec5SDimitry Andric }
18*0b57cec5SDimitry Andric 
19*0b57cec5SDimitry Andric // Preamble printing.
visit(NewBufferRecord & R)20*0b57cec5SDimitry Andric Error BlockPrinter::visit(NewBufferRecord &R) {
21*0b57cec5SDimitry Andric   if (CurrentState == State::Start)
22*0b57cec5SDimitry Andric     OS << "\n[New Block]\n";
23*0b57cec5SDimitry Andric 
24*0b57cec5SDimitry Andric   OS << "Preamble: \n";
25*0b57cec5SDimitry Andric   CurrentState = State::Preamble;
26*0b57cec5SDimitry Andric   return RP.visit(R);
27*0b57cec5SDimitry Andric }
28*0b57cec5SDimitry Andric 
visit(WallclockRecord & R)29*0b57cec5SDimitry Andric Error BlockPrinter::visit(WallclockRecord &R) {
30*0b57cec5SDimitry Andric   CurrentState = State::Preamble;
31*0b57cec5SDimitry Andric   return RP.visit(R);
32*0b57cec5SDimitry Andric }
33*0b57cec5SDimitry Andric 
visit(PIDRecord & R)34*0b57cec5SDimitry Andric Error BlockPrinter::visit(PIDRecord &R) {
35*0b57cec5SDimitry Andric   CurrentState = State::Preamble;
36*0b57cec5SDimitry Andric   return RP.visit(R);
37*0b57cec5SDimitry Andric }
38*0b57cec5SDimitry Andric 
39*0b57cec5SDimitry Andric // Metadata printing.
visit(NewCPUIDRecord & R)40*0b57cec5SDimitry Andric Error BlockPrinter::visit(NewCPUIDRecord &R) {
41*0b57cec5SDimitry Andric   if (CurrentState == State::Preamble)
42*0b57cec5SDimitry Andric     OS << "\nBody:\n";
43*0b57cec5SDimitry Andric   if (CurrentState == State::Function)
44*0b57cec5SDimitry Andric     OS << "\nMetadata: ";
45*0b57cec5SDimitry Andric   CurrentState = State::Metadata;
46*0b57cec5SDimitry Andric   OS << " ";
47*0b57cec5SDimitry Andric   auto E = RP.visit(R);
48*0b57cec5SDimitry Andric   return E;
49*0b57cec5SDimitry Andric }
50*0b57cec5SDimitry Andric 
visit(TSCWrapRecord & R)51*0b57cec5SDimitry Andric Error BlockPrinter::visit(TSCWrapRecord &R) {
52*0b57cec5SDimitry Andric   if (CurrentState == State::Function)
53*0b57cec5SDimitry Andric     OS << "\nMetadata:";
54*0b57cec5SDimitry Andric   CurrentState = State::Metadata;
55*0b57cec5SDimitry Andric   OS << " ";
56*0b57cec5SDimitry Andric   auto E = RP.visit(R);
57*0b57cec5SDimitry Andric   return E;
58*0b57cec5SDimitry Andric }
59*0b57cec5SDimitry Andric 
60*0b57cec5SDimitry Andric // Custom events will be rendered like "function" events.
visit(CustomEventRecord & R)61*0b57cec5SDimitry Andric Error BlockPrinter::visit(CustomEventRecord &R) {
62*0b57cec5SDimitry Andric   if (CurrentState == State::Metadata)
63*0b57cec5SDimitry Andric     OS << "\n";
64*0b57cec5SDimitry Andric   CurrentState = State::CustomEvent;
65*0b57cec5SDimitry Andric   OS << "*  ";
66*0b57cec5SDimitry Andric   auto E = RP.visit(R);
67*0b57cec5SDimitry Andric   return E;
68*0b57cec5SDimitry Andric }
69*0b57cec5SDimitry Andric 
visit(CustomEventRecordV5 & R)70*0b57cec5SDimitry Andric Error BlockPrinter::visit(CustomEventRecordV5 &R) {
71*0b57cec5SDimitry Andric   if (CurrentState == State::Metadata)
72*0b57cec5SDimitry Andric     OS << "\n";
73*0b57cec5SDimitry Andric   CurrentState = State::CustomEvent;
74*0b57cec5SDimitry Andric   OS << "*  ";
75*0b57cec5SDimitry Andric   auto E = RP.visit(R);
76*0b57cec5SDimitry Andric   return E;
77*0b57cec5SDimitry Andric }
78*0b57cec5SDimitry Andric 
visit(TypedEventRecord & R)79*0b57cec5SDimitry Andric Error BlockPrinter::visit(TypedEventRecord &R) {
80*0b57cec5SDimitry Andric   if (CurrentState == State::Metadata)
81*0b57cec5SDimitry Andric     OS << "\n";
82*0b57cec5SDimitry Andric   CurrentState = State::CustomEvent;
83*0b57cec5SDimitry Andric   OS << "*  ";
84*0b57cec5SDimitry Andric   auto E = RP.visit(R);
85*0b57cec5SDimitry Andric   return E;
86*0b57cec5SDimitry Andric }
87*0b57cec5SDimitry Andric 
88*0b57cec5SDimitry Andric // Function call printing.
visit(FunctionRecord & R)89*0b57cec5SDimitry Andric Error BlockPrinter::visit(FunctionRecord &R) {
90*0b57cec5SDimitry Andric   if (CurrentState == State::Metadata)
91*0b57cec5SDimitry Andric     OS << "\n";
92*0b57cec5SDimitry Andric   CurrentState = State::Function;
93*0b57cec5SDimitry Andric   OS << "-  ";
94*0b57cec5SDimitry Andric   auto E = RP.visit(R);
95*0b57cec5SDimitry Andric   return E;
96*0b57cec5SDimitry Andric }
97*0b57cec5SDimitry Andric 
visit(CallArgRecord & R)98*0b57cec5SDimitry Andric Error BlockPrinter::visit(CallArgRecord &R) {
99*0b57cec5SDimitry Andric   CurrentState = State::Arg;
100*0b57cec5SDimitry Andric   OS << " : ";
101*0b57cec5SDimitry Andric   auto E = RP.visit(R);
102*0b57cec5SDimitry Andric   return E;
103*0b57cec5SDimitry Andric }
104*0b57cec5SDimitry Andric 
visit(EndBufferRecord & R)105*0b57cec5SDimitry Andric Error BlockPrinter::visit(EndBufferRecord &R) {
106*0b57cec5SDimitry Andric     CurrentState = State::End;
107*0b57cec5SDimitry Andric     OS << " *** ";
108*0b57cec5SDimitry Andric     auto E = RP.visit(R);
109*0b57cec5SDimitry Andric     return E;
110*0b57cec5SDimitry Andric }
111*0b57cec5SDimitry Andric 
112*0b57cec5SDimitry Andric } // namespace xray
113*0b57cec5SDimitry Andric } // namespace llvm
114