Flutter Engine
The Flutter Engine
Public Member Functions | List of all members
SkDebugfTracer Class Reference

#include <SkDebugfTracer.h>

Inheritance diagram for SkDebugfTracer:
SkEventTracer

Public Member Functions

 SkDebugfTracer ()
 
SkEventTracer::Handle addTraceEvent (char phase, const uint8_t *categoryEnabledFlag, const char *name, uint64_t id, int numArgs, const char **argNames, const uint8_t *argTypes, const uint64_t *argValues, uint8_t flags) override
 
void updateTraceEventDuration (const uint8_t *categoryEnabledFlag, const char *name, SkEventTracer::Handle handle) override
 
const uint8_t * getCategoryGroupEnabled (const char *name) override
 
const char * getCategoryGroupName (const uint8_t *categoryEnabledFlag) override
 
void newTracingSection (const char *name) override
 
- Public Member Functions inherited from SkEventTracer
virtual ~SkEventTracer ()=default
 
virtual const uint8_t * getCategoryGroupEnabled (const char *name)=0
 
virtual const char * getCategoryGroupName (const uint8_t *categoryEnabledFlag)=0
 
virtual SkEventTracer::Handle addTraceEvent (char phase, const uint8_t *categoryEnabledFlag, const char *name, uint64_t id, int32_t numArgs, const char **argNames, const uint8_t *argTypes, const uint64_t *argValues, uint8_t flags)=0
 
virtual void updateTraceEventDuration (const uint8_t *categoryEnabledFlag, const char *name, SkEventTracer::Handle handle)=0
 
virtual void newTracingSection (const char *)
 

Additional Inherited Members

- Public Types inherited from SkEventTracer
enum  CategoryGroupEnabledFlags { kEnabledForRecording_CategoryGroupEnabledFlags = 1 << 0 , kEnabledForMonitoring_CategoryGroupEnabledFlags = 1 << 1 , kEnabledForEventCallback_CategoryGroupEnabledFlags = 1 << 2 }
 
typedef uint64_t Handle
 
- Static Public Member Functions inherited from SkEventTracer
static bool SetInstance (SkEventTracer *, bool leakTracer=false)
 
static SkEventTracer * GetInstance ()
 
- Protected Member Functions inherited from SkEventTracer
 SkEventTracer ()=default
 
 SkEventTracer (const SkEventTracer &)=delete
 
SkEventTracer & operator= (const SkEventTracer &)=delete
 

Detailed Description

A SkEventTracer implementation that logs events using SkDebugf.

Definition at line 18 of file SkDebugfTracer.h.

Constructor & Destructor Documentation

◆ SkDebugfTracer()

SkDebugfTracer::SkDebugfTracer ( )
inline

Definition at line 20 of file SkDebugfTracer.h.

20{}

Member Function Documentation

◆ addTraceEvent()

SkEventTracer::Handle SkDebugfTracer::addTraceEvent ( char  phase,
const uint8_t *  categoryEnabledFlag,
const char *  name,
uint64_t  id,
int  numArgs,
const char **  argNames,
const uint8_t *  argTypes,
const uint64_t *  argValues,
uint8_t  flags 
)
override

Definition at line 13 of file SkDebugfTracer.cpp.

21 {
22 SkString args;
23 for (int i = 0; i < numArgs; ++i) {
24 if (i > 0) {
25 args.append(", ");
26 } else {
27 args.append(" ");
28 }
29
30 uint64_t value = argValues[i];
31 switch (argTypes[i]) {
32 case TRACE_VALUE_TYPE_BOOL:
33 args.appendf("%s=%s", argNames[i], value ? "true" : "false");
34 break;
35 case TRACE_VALUE_TYPE_UINT:
36 args.appendf("%s=%" PRIu64, argNames[i], value);
37 break;
38 case TRACE_VALUE_TYPE_INT:
39 args.appendf("%s=%" PRIi64, argNames[i], static_cast<int64_t>(value));
40 break;
41 case TRACE_VALUE_TYPE_DOUBLE:
42 args.appendf("%s=%g", argNames[i], sk_bit_cast<double>(value));
43 break;
44 case TRACE_VALUE_TYPE_POINTER:
45 args.appendf("%s=0x%p", argNames[i], skia_private::TraceValueAsPointer(value));
46 break;
47 case TRACE_VALUE_TYPE_STRING:
48 case TRACE_VALUE_TYPE_COPY_STRING: {
49 static constexpr size_t kMaxLen = 20;
50 SkString string(skia_private::TraceValueAsString(value));
51 size_t truncAt = string.size();
52 size_t newLineAt = SkStrFind(string.c_str(), "\n");
53 if (newLineAt > 0) {
54 truncAt = newLineAt;
55 }
56 truncAt = std::min(truncAt, kMaxLen);
57 if (truncAt < string.size()) {
58 string.resize(truncAt);
59 string.append("...");
60 }
61 args.appendf("%s=\"%s\"", argNames[i], string.c_str());
62 break;
63 }
64 default:
65 args.appendf("%s=<unknown type>", argNames[i]);
66 break;
67 }
68 }
69 bool open = (phase == TRACE_EVENT_PHASE_COMPLETE);
70 if (open) {
71 const char* category = this->getCategoryGroupName(categoryEnabledFlag);
72 SkDebugf("[% 2d]%s <%s> %s%s #%d {\n", (int)fIndent.size(), fIndent.c_str(), category, name,
73 args.c_str(), fCnt);
74 fIndent.append(" ");
75 } else {
76 SkDebugf("%s%s #%d\n", name, args.c_str(), fCnt);
77 }
78 ++fCnt;
79 return 0;
80}
SkDebugf
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
SkStrFind
static int SkStrFind(const char string[], const char substring[])
Definition: SkString.h:41
TRACE_VALUE_TYPE_STRING
#define TRACE_VALUE_TYPE_STRING
Definition: SkTraceEventCommon.h:690
TRACE_VALUE_TYPE_BOOL
#define TRACE_VALUE_TYPE_BOOL
Definition: SkTraceEventCommon.h:685
TRACE_VALUE_TYPE_POINTER
#define TRACE_VALUE_TYPE_POINTER
Definition: SkTraceEventCommon.h:689
TRACE_VALUE_TYPE_COPY_STRING
#define TRACE_VALUE_TYPE_COPY_STRING
Definition: SkTraceEventCommon.h:691
TRACE_VALUE_TYPE_INT
#define TRACE_VALUE_TYPE_INT
Definition: SkTraceEventCommon.h:687
TRACE_VALUE_TYPE_UINT
#define TRACE_VALUE_TYPE_UINT
Definition: SkTraceEventCommon.h:686
TRACE_VALUE_TYPE_DOUBLE
#define TRACE_VALUE_TYPE_DOUBLE
Definition: SkTraceEventCommon.h:688
TRACE_EVENT_PHASE_COMPLETE
#define TRACE_EVENT_PHASE_COMPLETE
Definition: SkTraceEventPhase.h:10
SkDebugfTracer::getCategoryGroupName
const char * getCategoryGroupName(const uint8_t *categoryEnabledFlag) override
Definition: SkDebugfTracer.h:40
SkString::size
size_t size() const
Definition: SkString.h:131
SkString::append
void append(const char text[])
Definition: SkString.h:203
SkString::c_str
const char * c_str() const
Definition: SkString.h:133
args
G_BEGIN_DECLS G_MODULE_EXPORT FlValue * args
Definition: fl_event_channel.h:89
i
int i
Definition: fl_socket_accessible.cc:18
value
uint8_t value
Definition: fl_standard_message_codec.cc:36
min
static float min(float r, float g, float b)
Definition: hsl.cpp:48
flutter::name
DEF_SWITCHES_START aot vmservice shared library name
Definition: switches.h:32
flutter::size
it will be possible to load the file into Perfetto s trace viewer disable asset Prevents usage of any non test fonts unless they were explicitly Loaded via prefetched default font Indicates whether the embedding started a prefetch of the default font manager before creating the engine run In non interactive keep the shell running after the Dart script has completed enable serial On low power devices with low core running concurrent GC tasks on threads can cause them to contend with the UI thread which could potentially lead to jank This option turns off all concurrent GC activities domain network JSON encoded network policy per domain This overrides the DisallowInsecureConnections switch Embedder can specify whether to allow or disallow insecure connections at a domain level old gen heap size
Definition: switches.h:259
skia_private::TraceValueAsPointer
static const void * TraceValueAsPointer(uint64_t value)
Definition: SkTraceEvent.h:300
skia_private::TraceValueAsString
static const char * TraceValueAsString(uint64_t value)
Definition: SkTraceEvent.h:296

◆ getCategoryGroupEnabled()

const uint8_t * SkDebugfTracer::getCategoryGroupEnabled ( const char *  name)
inlineoverridevirtual

Implements SkEventTracer.

Definition at line 36 of file SkDebugfTracer.h.

36 {
37 return fCategories.getCategoryGroupEnabled(name);
38 }
SkEventTracingCategories::getCategoryGroupEnabled
uint8_t * getCategoryGroupEnabled(const char *name)
Definition: EventTracingPriv.cpp:76

◆ getCategoryGroupName()

const char * SkDebugfTracer::getCategoryGroupName ( const uint8_t *  categoryEnabledFlag)
inlineoverridevirtual

Implements SkEventTracer.

Definition at line 40 of file SkDebugfTracer.h.

40 {
41 return fCategories.getCategoryGroupName(categoryEnabledFlag);
42 }
SkEventTracingCategories::getCategoryGroupName
const char * getCategoryGroupName(const uint8_t *categoryEnabledFlag)
Definition: EventTracingPriv.cpp:108

◆ newTracingSection()

void SkDebugfTracer::newTracingSection ( const char *  name)
overridevirtual

Reimplemented from SkEventTracer.

Definition at line 89 of file SkDebugfTracer.cpp.

89 {
90 SkDebugf("\n\n- - - New tracing section: %s - - -\n", name);
91}

◆ updateTraceEventDuration()

void SkDebugfTracer::updateTraceEventDuration ( const uint8_t *  categoryEnabledFlag,
const char *  name,
SkEventTracer::Handle  handle 
)
overridevirtual

Implements SkEventTracer.

Definition at line 82 of file SkDebugfTracer.cpp.

84 {
85 fIndent.resize(fIndent.size() - 1);
86 SkDebugf("[% 2d]%s } %s\n", (int)fIndent.size(), fIndent.c_str(), name);
87}
SkString::resize
void resize(size_t len)
Definition: SkString.cpp:374
The documentation for this class was generated from the following files:
Generated on Sun Jun 23 2024 21:58:11 for Flutter Engine by doxygen 1.9.4