[PATCH 10/16] perf ui/tui: Reuse generic __hpp__fmt() code

From: Arnaldo Carvalho de Melo
Date: Fri Mar 14 2014 - 17:38:58 EST


From: Namhyung Kim <namhyung@xxxxxxxxxx>

The __hpp__color_fmt used in the TUI code can be replace by the generic
code with small change in print_fn callback. And it also needs to move
callback function to the generic __hpp__fmt().

No functional changes intended.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1393809254-4480-5-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/browsers/hists.c | 122 ++++++++++++++---------------------------
tools/perf/ui/gtk/hists.c | 2 +-
tools/perf/ui/hist.c | 26 ++++++---
tools/perf/util/hist.h | 4 +-
4 files changed, 63 insertions(+), 91 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index b720b92eba6e..7ec871af3f6f 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -587,95 +587,52 @@ struct hpp_arg {
bool current_entry;
};

-static int __hpp__color_callchain(struct hpp_arg *arg)
+static int __hpp__overhead_callback(struct perf_hpp *hpp, bool front)
{
- if (!symbol_conf.use_callchain)
- return 0;
-
- slsmg_printf("%c ", arg->folded_sign);
- return 2;
-}
-
-static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
- u64 (*get_field)(struct hist_entry *),
- int (*callchain_cb)(struct hpp_arg *))
-{
- int ret = 0;
- double percent = 0.0;
- struct hists *hists = he->hists;
struct hpp_arg *arg = hpp->ptr;

- if (hists->stats.total_period)
- percent = 100.0 * get_field(he) / hists->stats.total_period;
-
- ui_browser__set_percent_color(arg->b, percent, arg->current_entry);
-
- if (callchain_cb)
- ret += callchain_cb(arg);
-
- ret += scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
- slsmg_printf("%s", hpp->buf);
-
- if (symbol_conf.event_group) {
- int prev_idx, idx_delta;
- struct perf_evsel *evsel = hists_to_evsel(hists);
- struct hist_entry *pair;
- int nr_members = evsel->nr_members;
-
- if (nr_members <= 1)
- goto out;
+ if (arg->current_entry && arg->b->navkeypressed)
+ ui_browser__set_color(arg->b, HE_COLORSET_SELECTED);
+ else
+ ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);

- prev_idx = perf_evsel__group_idx(evsel);
+ if (front) {
+ if (!symbol_conf.use_callchain)
+ return 0;

- list_for_each_entry(pair, &he->pairs.head, pairs.node) {
- u64 period = get_field(pair);
- u64 total = pair->hists->stats.total_period;
+ slsmg_printf("%c ", arg->folded_sign);
+ return 2;
+ }

- if (!total)
- continue;
+ return 0;
+}

- evsel = hists_to_evsel(pair->hists);
- idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
+static int __hpp__color_callback(struct perf_hpp *hpp, bool front __maybe_unused)
+{
+ struct hpp_arg *arg = hpp->ptr;

- while (idx_delta--) {
- /*
- * zero-fill group members in the middle which
- * have no sample
- */
- ui_browser__set_percent_color(arg->b, 0.0,
- arg->current_entry);
- ret += scnprintf(hpp->buf, hpp->size,
- " %6.2f%%", 0.0);
- slsmg_printf("%s", hpp->buf);
- }
+ if (!arg->current_entry || !arg->b->navkeypressed)
+ ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);
+ return 0;
+}

- percent = 100.0 * period / total;
- ui_browser__set_percent_color(arg->b, percent,
- arg->current_entry);
- ret += scnprintf(hpp->buf, hpp->size,
- " %6.2f%%", percent);
- slsmg_printf("%s", hpp->buf);
+static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
+{
+ struct hpp_arg *arg = hpp->ptr;
+ int ret;
+ va_list args;
+ double percent;

- prev_idx = perf_evsel__group_idx(evsel);
- }
+ va_start(args, fmt);
+ percent = va_arg(args, double);
+ va_end(args);

- idx_delta = nr_members - prev_idx - 1;
+ ui_browser__set_percent_color(arg->b, percent, arg->current_entry);

- while (idx_delta--) {
- /*
- * zero-fill group members at last which have no sample
- */
- ui_browser__set_percent_color(arg->b, 0.0,
- arg->current_entry);
- ret += scnprintf(hpp->buf, hpp->size,
- " %6.2f%%", 0.0);
- slsmg_printf("%s", hpp->buf);
- }
- }
-out:
- if (!arg->current_entry || !arg->b->navkeypressed)
- ui_browser__set_color(arg->b, HE_COLORSET_NORMAL);
+ ret = scnprintf(hpp->buf, hpp->size, fmt, percent);
+ slsmg_printf("%s", hpp->buf);

+ advance_hpp(hpp, ret);
return ret;
}

@@ -690,14 +647,15 @@ hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,\
struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
- return __hpp__color_fmt(hpp, he, __hpp_get_##_field, _cb); \
+ return __hpp__fmt(hpp, he, __hpp_get_##_field, _cb, " %6.2f%%", \
+ __hpp__slsmg_color_printf, true); \
}

-__HPP_COLOR_PERCENT_FN(overhead, period, __hpp__color_callchain)
-__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys, NULL)
-__HPP_COLOR_PERCENT_FN(overhead_us, period_us, NULL)
-__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys, NULL)
-__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us, NULL)
+__HPP_COLOR_PERCENT_FN(overhead, period, __hpp__overhead_callback)
+__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys, __hpp__color_callback)
+__HPP_COLOR_PERCENT_FN(overhead_us, period_us, __hpp__color_callback)
+__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys, __hpp__color_callback)
+__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us, __hpp__color_callback)

#undef __HPP_COLOR_PERCENT_FN

diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 430fd555b161..7912dab6e5fb 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -43,7 +43,7 @@ static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,
struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
- return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
+ return __hpp__fmt(hpp, he, he_get_##_field, NULL, " %6.2f%%", \
__percent_color_snprintf, true); \
}

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 0c427e5d37c7..ac39313a3f0c 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -16,15 +16,20 @@
})

int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
- u64 (*get_field)(struct hist_entry *),
+ hpp_field_fn get_field, hpp_callback_fn callback,
const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent)
{
- int ret;
+ int ret = 0;
struct hists *hists = he->hists;
struct perf_evsel *evsel = hists_to_evsel(hists);
char *buf = hpp->buf;
size_t size = hpp->size;

+ if (callback) {
+ ret = callback(hpp, true);
+ advance_hpp(hpp, ret);
+ }
+
if (fmt_percent) {
double percent = 0.0;

@@ -32,9 +37,9 @@ int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
percent = 100.0 * get_field(he) /
hists->stats.total_period;

- ret = hpp__call_print_fn(hpp, print_fn, fmt, percent);
+ ret += hpp__call_print_fn(hpp, print_fn, fmt, percent);
} else
- ret = hpp__call_print_fn(hpp, print_fn, fmt, get_field(he));
+ ret += hpp__call_print_fn(hpp, print_fn, fmt, get_field(he));

if (perf_evsel__is_group_event(evsel)) {
int prev_idx, idx_delta;
@@ -94,6 +99,13 @@ int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
}
}

+ if (callback) {
+ int __ret = callback(hpp, false);
+
+ advance_hpp(hpp, __ret);
+ ret += __ret;
+ }
+
/*
* Restore original buf and size as it's where caller expects
* the result will be saved.
@@ -169,7 +181,7 @@ static u64 he_get_##_field(struct hist_entry *he) \
static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
struct perf_hpp *hpp, struct hist_entry *he) \
{ \
- return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
+ return __hpp__fmt(hpp, he, he_get_##_field, NULL, " %6.2f%%", \
hpp_color_scnprintf, true); \
}

@@ -178,7 +190,7 @@ static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \
struct perf_hpp *hpp, struct hist_entry *he) \
{ \
const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \
- return __hpp__fmt(hpp, he, he_get_##_field, fmt, \
+ return __hpp__fmt(hpp, he, he_get_##_field, NULL, fmt, \
hpp_entry_scnprintf, true); \
}

@@ -192,7 +204,7 @@ static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \
struct perf_hpp *hpp, struct hist_entry *he) \
{ \
const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \
- return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, \
+ return __hpp__fmt(hpp, he, he_get_raw_##_field, NULL, fmt, \
hpp_entry_scnprintf, false); \
}

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index d51ed9898229..9e1cada45bb8 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -166,10 +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 u64 (*hpp_field_fn)(struct hist_entry *he);
+typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);

int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
- u64 (*get_field)(struct hist_entry *),
+ hpp_field_fn get_field, hpp_callback_fn callback,
const char *fmt, hpp_snprint_fn print_fn, bool fmt_percent);

static inline void advance_hpp(struct perf_hpp *hpp, int inc)
--
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/