416458e9c4
will not accept if the allocator returns NULL and crashes instead (ie. not compiling in tracing would have crashed if some module tried to use it). * Added total entries count to the KDL command output. * Fixed computing the start index of the KDL command. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23460 a95241bf-73f2-0310-859d-f6bbb57e9c96
66 lines
1.0 KiB
C++
66 lines
1.0 KiB
C++
#ifndef KERNEL_UTIL_TRACING_H
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#define KERNEL_UTIL_TRACING_H
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#include <SupportDefs.h>
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#include <KernelExport.h>
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#define ENABLE_TRACING 0
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#define MAX_TRACE_SIZE 1024 * 1024
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struct trace_entry {
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uint16 size;
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uint16 flags;
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};
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#ifdef __cplusplus
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#include <new>
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class TraceEntry : trace_entry {
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public:
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TraceEntry();
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virtual ~TraceEntry();
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virtual void Dump();
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size_t Size() const { return size; }
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uint16 Flags() const { return flags; }
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void Initialized();
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void* operator new(size_t size, const std::nothrow_t&) throw();
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};
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class AbstractTraceEntry : public TraceEntry {
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public:
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AbstractTraceEntry()
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:
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fThread(find_thread(NULL)),
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fTime(system_time())
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{
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}
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virtual void Dump()
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{
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kprintf("[%6ld] %Ld: ", fThread, fTime);
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}
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thread_id Thread() const { return fThread; }
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bigtime_t Time() const { return fTime; }
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protected:
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thread_id fThread;
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bigtime_t fTime;
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};
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#endif // __cplusplus
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#ifdef __cplusplus
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extern "C"
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#endif
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status_t tracing_init(void);
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#endif /* KERNEL_UTIL_TRACING_H */
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