On Fri, Oct 02, 2015 at 02:18:59PM +0900, Namhyung Kim wrote:

SNIP

> +void thread__find_addr_map(struct thread *thread, u8 cpumode,
> +                        enum map_type type, u64 addr,
> +                        struct addr_location *al)
> +{
> +     al->thread = thread;
> +     map_groups__find_addr_map(thread->mg, cpumode, type, addr, al);
> +}
> +
> +void thread__find_addr_map_by_time(struct thread *thread, u8 cpumode,
> +                                enum map_type type, u64 addr,
> +                                struct addr_location *al, u64 timestamp)
> +{
> +     struct map_groups *mg;
> +
> +     if (perf_has_index)
> +             mg = thread__get_map_groups(thread, timestamp);
> +     else
> +             mg = thread->mg;
> +
> +     al->thread = thread;
> +     map_groups__find_addr_map(mg, cpumode, type, addr, al);
> +}
> +
>  void thread__find_addr_location(struct thread *thread,
>                               u8 cpumode, enum map_type type, u64 addr,
>                               struct addr_location *al)
> @@ -985,6 +1006,23 @@ void thread__find_addr_location(struct thread *thread,
>               al->sym = NULL;
>  }
>  
> +void thread__find_addr_location_by_time(struct thread *thread, u8 cpumode,
> +                                     enum map_type type, u64 addr,
> +                                     struct addr_location *al, u64 timestamp)
> +{
> +     if (perf_has_index)
> +             thread__find_addr_map_by_time(thread, cpumode, type, addr, al,
> +                                           timestamp);
> +     else
> +             thread__find_addr_map(thread, cpumode, type, addr, al);

hum, we make the 'perf_has_index' decision here and also in
thread__find_addr_map_by_time which seems to have the same code
as thread__find_addr_map for !perf_has_index case

it seems redundant to have both original and _by_time versions
why not just thread__find_cpumode_addr_location with time arg?

also how about other callers of original versions like
thread__find_addr_location call in util/unwind-libunwind.c ?

jirka
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