106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
// Copyright 2006 The Android Open Source Project
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <assert.h>
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#include "trace_reader.h"
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#include "bitvector.h"
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#include "parse_options.h"
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#include "armdis.h"
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typedef TraceReader<> TraceReaderType;
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#include "parse_options-inl.h"
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#include "callstack.h"
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class MyFrame : public StackFrame<symbol_type> {
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public:
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void push(int stackLevel, uint64_t time, CallStackBase *base);
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void pop(int stackLevel, uint64_t time, CallStackBase *base);
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};
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typedef CallStack<MyFrame> CallStackType;
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void MyFrame::push(int stackLevel, uint64_t time, CallStackBase *base)
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{
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printf("%llu en thr %d %3d", time, base->getId(), stackLevel);
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for (int ii = 0; ii < stackLevel; ++ii)
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printf(".");
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printf(" 0x%08x %s\n", addr, function->name);
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}
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void MyFrame::pop(int stackLevel, uint64_t time, CallStackBase *base)
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{
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printf("%llu x thr %d %3d", time, base->getId(), stackLevel);
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for (int ii = 0; ii < stackLevel; ++ii)
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printf(".");
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printf(" 0x%08x %s\n", addr, function->name);
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}
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static const int kNumStackFrames = 500;
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static const int kMaxThreads = (32 * 1024);
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CallStackType *stacks[kMaxThreads];
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static uint64_t debugTime;
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void Usage(const char *program)
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{
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fprintf(stderr, "Usage: %s [options] trace_name elf_file\n",
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program);
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OptionsUsage();
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}
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int main(int argc, char **argv)
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{
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ParseOptions(argc, argv);
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if (argc - optind != 2) {
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Usage(argv[0]);
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exit(1);
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}
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char *qemu_trace_file = argv[optind++];
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char *elf_file = argv[optind++];
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TraceReaderType *trace = new TraceReaderType;
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trace->Open(qemu_trace_file);
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trace->ReadKernelSymbols(elf_file);
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trace->SetRoot(root);
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TraceHeader *qheader = trace->GetHeader();
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uint64_t startTime = qheader->start_sec;
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startTime = (startTime << 32) | qheader->start_usec;
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BBEvent event;
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while (1) {
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BBEvent ignored;
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symbol_type *function;
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if (GetNextValidEvent(trace, &event, &ignored, &function))
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break;
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if (event.bb_num == 0)
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break;
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// Get the stack for the current thread
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CallStackType *pStack = stacks[event.pid];
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// If the stack does not exist, then allocate a new one.
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if (pStack == NULL) {
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pStack = new CallStackType(event.pid, kNumStackFrames, trace);
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stacks[event.pid] = pStack;
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}
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if (debugTime != 0 && event.time >= debugTime)
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printf("debug time: %lld\n", debugTime);
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// Update the stack
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pStack->updateStack(&event, function);
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}
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for (int ii = 0; ii < kMaxThreads; ++ii) {
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if (stacks[ii])
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stacks[ii]->popAll(event.time);
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}
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delete trace;
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return 0;
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}
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