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perf diff: Introduce fmt_to_data_file() helper

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The fmt_to_data_file() is to retrieve struct data__file from
perf_hpp_fmt which is embedded in diff_hpp_fmt.  It'll be used by sort
callback functions later.

Signed-off-by: Namhyung Kim <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Namhyung Kim 2015-01-08 09:45:45 +09:00 • committed by Arnaldo Carvalho de Melo
commit ff21cef67e
1 changed files with 10 additions and 2 deletions
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12
tools/perf/builtin-diff.c
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@ -390,6 +390,15 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist)
}
}
static struct data__file *fmt_to_data_file(struct perf_hpp_fmt *fmt)
{
struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt);
void *ptr = dfmt - dfmt->idx;
struct data__file *d = container_of(ptr, struct data__file, fmt);
return d;
}
static struct hist_entry*
get_pair_data(struct hist_entry *he, struct data__file *d)
{
@ -407,8 +416,7 @@ get_pair_data(struct hist_entry *he, struct data__file *d)
static struct hist_entry*
get_pair_fmt(struct hist_entry *he, struct diff_hpp_fmt *dfmt)
{
void *ptr = dfmt - dfmt->idx;
struct data__file *d = container_of(ptr, struct data__file, fmt);
struct data__file *d = fmt_to_data_file(&dfmt->fmt);
return get_pair_data(he, d);
}