On Tue, Mar 19, 2019 at 8:00 PM Slavomir Kaslev <kaslevs@xxxxxxxxxx> wrote:
>
> On Tue, Mar 19, 2019 at 5:56 PM Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx> wrote:
> >
> > The TRACECMD_OPTION_TIME_SHIFT is used when synchronizing trace time stamps between
> > two trace.dat files. It contains multiple long long (time, offset) pairs, describing
> > time stamps _offset_, measured in the given local _time_. The content of the option
> > buffer is:
> > first 4 bytes - integer, count of timestamp offsets
> > long long array of size _count_, local time in which the offset is measured
> > long long array of size _count_, offset of the time stamps
> >
> > Signed-off-by: Tzvetomir Stoyanov <tstoyanov@xxxxxxxxxx>
> > ---
> > include/trace-cmd/trace-cmd.h | 1 +
> > lib/trace-cmd/trace-input.c | 127 +++++++++++++++++++++++++++++++++-
> > 2 files changed, 126 insertions(+), 2 deletions(-)
> >
> > diff --git a/include/trace-cmd/trace-cmd.h b/include/trace-cmd/trace-cmd.h
> > index f7c043a..5552396 100644
> > --- a/include/trace-cmd/trace-cmd.h
> > +++ b/include/trace-cmd/trace-cmd.h
> > @@ -82,6 +82,7 @@ enum {
> > TRACECMD_OPTION_HOOK,
> > TRACECMD_OPTION_OFFSET,
> > TRACECMD_OPTION_CPUCOUNT,
> > + TRACECMD_OPTION_TIME_SHIFT,
> > };
> >
> > enum {
> > diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
> > index 0a6e820..04f222d 100644
> > --- a/lib/trace-cmd/trace-input.c
> > +++ b/lib/trace-cmd/trace-input.c
> > @@ -75,6 +75,11 @@ struct input_buffer_instance {
> > size_t offset;
> > };
> >
> > +struct ts_offset_sample {
> > + long long time;
> > + long long offset;
> > +};
> > +
> > struct tracecmd_input {
> > struct tep_handle *pevent;
> > struct tep_plugin_list *plugin_list;
> > @@ -92,6 +97,8 @@ struct tracecmd_input {
> > bool use_pipe;
> > struct cpu_data *cpu_data;
> > long long ts_offset;
> > + int ts_corr_count;
> > + struct ts_offset_sample *ts_corr;
>
> Nit:
> ts_corr_count -> ts_samples_count
> ts_corr -> ts_samples
Thanks Slavi
--
Tzvetomir (Ceco) Stoyanov
VMware Open Source Technology Center
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