C++ (Cpp) Scm_ProfilerReset Examples

Example #1

/* Returns the statHash */
ScmObj Scm_ProfilerRawResult(void)
{
    ScmVM *vm = Scm_VM();

    if (vm->prof == NULL) return SCM_FALSE;
    if (vm->prof->state == SCM_PROFILER_INACTIVE) return SCM_FALSE;
    if (vm->prof->state == SCM_PROFILER_RUNNING) Scm_ProfilerStop();

    if (vm->prof->errorOccurred > 0) {
        Scm_Warn("profiler: An error has been occurred during saving profiling samples.  The result may not be accurate");
    }

    Scm_ProfilerCountBufferFlush(vm);

    /* collect samples in the current buffer */
    collect_samples(vm->prof);

    /* collect samples in the saved file */
    off_t off;
    SCM_SYSCALL(off, lseek(vm->prof->samplerFd, 0, SEEK_SET));
    if (off == (off_t)-1) {
        Scm_ProfilerReset();
        Scm_Error("profiler: seek failed in retrieving sample data");
    }
    for (;;) {
        ssize_t r = read(vm->prof->samplerFd, vm->prof->samples,
                         sizeof(ScmProfSample[1]) * SCM_PROF_SAMPLES_IN_BUFFER);
        if (r <= 0) break;
        vm->prof->currentSample = r / sizeof(ScmProfSample[1]);
        collect_samples(vm->prof);
    }
    vm->prof->currentSample = 0;
#if defined(GAUCHE_WINDOWS)
    if (vm->prof->samplerFd >= 0) {
        close(vm->prof->samplerFd);
        vm->prof->samplerFd = -1;
        unlink(vm->prof->samplerFileName);
    }
#else  /* !GAUCHE_WINDOWS */
    if (ftruncate(vm->prof->samplerFd, 0) < 0) {
        Scm_SysError("profiler: failed to truncate temporary file");
    }
#endif /* !GAUCHE_WINDOWS */

    return SCM_OBJ(vm->prof->statHash);
}

Example #2

File: prof.c Project: jmuk/Gauche

/* Returns the statHash */
ScmObj Scm_ProfilerRawResult(void)
{
    ScmVM *vm = Scm_VM();

    if (vm->prof == NULL) return SCM_FALSE;
    if (vm->prof->state == SCM_PROFILER_INACTIVE) return SCM_FALSE;
    if (vm->prof->state == SCM_PROFILER_RUNNING) Scm_ProfilerStop();

    if (vm->prof->errorOccurred > 0) {
        Scm_Warn("profiler: An error has been occurred during saving profiling samples.  The result may not be accurate");
    }

    Scm_ProfilerCountBufferFlush(vm);

    /* collect samples in the current buffer */
    collect_samples(vm->prof);

    /* collect samples in the saved file */
    off_t off;
    SCM_SYSCALL(off, lseek(vm->prof->samplerFd, 0, SEEK_SET));
    if (off == (off_t)-1) {
        Scm_ProfilerReset();
        Scm_Error("profiler: seek failed in retrieving sample data");
    }
    ScmObj sampler_port =
        Scm_MakePortWithFd(SCM_FALSE, SCM_PORT_INPUT, vm->prof->samplerFd,
                           SCM_PORT_BUFFER_FULL, FALSE);

    for (;;) {
        ssize_t r = read(vm->prof->samplerFd, vm->prof->samples,
                         sizeof(ScmProfSample[1]) * SCM_PROF_SAMPLES_IN_BUFFER);
        if (r <= 0) break;
        vm->prof->currentSample = r / sizeof(ScmProfSample[1]);
        collect_samples(vm->prof);
    }
    vm->prof->currentSample = 0;
    if (ftruncate(vm->prof->samplerFd, 0) < 0) {
        Scm_SysError("profiler: failed to truncate temporary file");
    }

    return SCM_OBJ(vm->prof->statHash);
}