On Thu, Jan 23, 2014 at 09:13:45AM +0900, Namhyung Kim wrote:
> There're some duplicate code when adding hist entries.  They are
> different in that some have branch info or mem info but generally do
> same thing.  So introduce new struct hist_entry_iter and add callbacks
> to customize each case in general way.
> 
> The new perf_evsel__add_entry() function will look like:
> 
>   iter->prepare_entry();
>   iter->add_single_entry();
> 
>   while (iter->next_entry())
>     iter->add_next_entry();
> 
>   iter->finish_entry();
> 
> This will help further work like the cumulative callchain patchset.
> 
> Tested-by: Arun Sharma <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Cc: David Ahern <[email protected]>
> Cc: Stephane Eranian <[email protected]>
> Cc: Frederic Weisbecker <[email protected]>
> Signed-off-by: Namhyung Kim <[email protected]>
> ---
>  tools/perf/builtin-report.c | 172 +++----------------------
>  tools/perf/util/hist.c      | 304 
> ++++++++++++++++++++++++++++++++++++++++++++
>  tools/perf/util/hist.h      |  34 +++++
>  3 files changed, 356 insertions(+), 154 deletions(-)
> 
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index 7ddea46594ae..b6618ecb474a 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -85,144 +85,6 @@ static int report__config(const char *var, const char 
> *value, void *cb)
>       return perf_default_config(var, value, cb);
>  }
>  
> -static int report__add_mem_hist_entry(struct perf_tool *tool, struct 
> addr_location *al,
> -                                   struct perf_sample *sample, struct 
> perf_evsel *evsel,
> -                                   union perf_event *event)
> -{
> -     struct report *rep = container_of(tool, struct report, tool);
> -     struct symbol *parent = NULL;
> -     u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
> -     struct hist_entry *he;
> -     struct mem_info *mi, *mx;
> -     uint64_t cost;
> -     int err = sample__resolve_callchain(sample, &parent, evsel, al, 
> rep->max_stack);
> -
> -     if (err)
> -             return err;
> -
> -     mi = machine__resolve_mem(al->machine, al->thread, sample, cpumode);
> -     if (!mi)
> -             return -ENOMEM;
> -
> -     if (rep->hide_unresolved && !al->sym)
> -             return 0;

this check seems to be missing in iter_add_single_mem_entry

jirka
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