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perf ui/gtk: Reuse generic __hpp__fmt() code

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The __hpp__color_fmt used in the gtk code can be replace by the generic
code with small change in print_fn callback.

This is a preparation to upcoming changes and no functional changes
intended.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1393809254-4480-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2014-03-03 10:14:03 +09:00 committed by Arnaldo Carvalho de Melo
parent 9b0d2fb86d
commit 4a62109fe9
3 changed files with 19 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
tools/perf/ui/gtk/hists.c
View File

@ -8,16 +8,22 @@
#define MAX_COLUMNS 32
static int __percent_color_snprintf(char *buf, size_t size, double percent)
static int __percent_color_snprintf(char *buf, size_t size, const char *fmt, ...)
{
int ret = 0;
va_list args;
double percent;
const char *markup;
va_start(args, fmt);
percent = va_arg(args, double);
va_end(args);
markup = perf_gtk__get_percent_color(percent);
if (markup)
ret += scnprintf(buf, size, markup);
ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent);
ret += scnprintf(buf + ret, size - ret, fmt, percent);
if (markup)
ret += scnprintf(buf + ret, size - ret, "</span>");
@ -25,66 +31,6 @@ static int __percent_color_snprintf(char *buf, size_t size, double percent)
return ret;
}
static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
u64 (*get_field)(struct hist_entry *))
{
int ret;
double percent = 0.0;
struct hists *hists = he->hists;
struct perf_evsel *evsel = hists_to_evsel(hists);
if (hists->stats.total_period)
percent = 100.0 * get_field(he) / hists->stats.total_period;
ret = __percent_color_snprintf(hpp->buf, hpp->size, percent);
if (perf_evsel__is_group_event(evsel)) {
int prev_idx, idx_delta;
struct hist_entry *pair;
int nr_members = evsel->nr_members;
prev_idx = perf_evsel__group_idx(evsel);
list_for_each_entry(pair, &he->pairs.head, pairs.node) {
u64 period = get_field(pair);
u64 total = pair->hists->stats.total_period;
evsel = hists_to_evsel(pair->hists);
idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
while (idx_delta--) {
/*
* zero-fill group members in the middle which
* have no sample
*/
ret += __percent_color_snprintf(hpp->buf + ret,
hpp->size - ret,
0.0);
}
percent = 100.0 * period / total;
ret += __percent_color_snprintf(hpp->buf + ret,
hpp->size - ret,
percent);
prev_idx = perf_evsel__group_idx(evsel);
}
idx_delta = nr_members - prev_idx - 1;
while (idx_delta--) {
/*
* zero-fill group members at last which have no sample
*/
ret += __percent_color_snprintf(hpp->buf + ret,
hpp->size - ret,
0.0);
}
}
return ret;
}
#define __HPP_COLOR_PERCENT_FN(_type, _field) \
static u64 he_get_##_field(struct hist_entry *he) \
{ \
@ -95,7 +41,8 @@ static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,
struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
return __hpp__color_fmt(hpp, he, he_get_##_field); \
return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
__percent_color_snprintf, true); \
}
__HPP_COLOR_PERCENT_FN(overhead, period)

9
tools/perf/ui/hist.c
View File

@ -8,12 +8,9 @@
/* hist period print (hpp) functions */
typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);
static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
u64 (*get_field)(struct hist_entry *),
const char *fmt, hpp_snprint_fn print_fn,
bool fmt_percent)
int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
u64 (*get_field)(struct hist_entry *),
const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent)
{
int ret;
struct hists *hists = he->hists;

6
tools/perf/util/hist.h
View File

@ -166,6 +166,12 @@ void perf_hpp__init(void);
void perf_hpp__column_register(struct perf_hpp_fmt *format);
void perf_hpp__column_enable(unsigned col);
typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);
int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
u64 (*get_field)(struct hist_entry *),
const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent);
static inline size_t perf_hpp__use_color(void)
{
return !symbol_conf.field_sep;