[tip:perf/core] perf hists: Add level field to struct perf_hpp_fmt

From: tip-bot for Namhyung Kim
Date: Tue Mar 08 2016 - 05:33:10 EST

Commit-ID: 4b633eba14627bcb1ef5c7a498e7dc308cd6a5d6
Gitweb: http://git.kernel.org/tip/4b633eba14627bcb1ef5c7a498e7dc308cd6a5d6
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Mon, 7 Mar 2016 16:44:43 -0300
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 8 Mar 2016 10:11:18 +0100

perf hists: Add level field to struct perf_hpp_fmt

The level field is to distinguish levels in the hierarchy mode.
Currently each column (perf_hpp_fmt) has a different level.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1457103582-28396-2-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
tools/perf/util/hist.h | 1 +
tools/perf/util/sort.c | 74 ++++++++++++++++++++++++++++----------------------
2 files changed, 42 insertions(+), 33 deletions(-)

diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index da5e505..f4ef513 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -233,6 +233,7 @@ struct perf_hpp_fmt {
int len;
int user_len;
int idx;
+ int level;
};

struct perf_hpp_list {
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 4380a28..ab6eb7c 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1544,7 +1544,7 @@ static void hse_free(struct perf_hpp_fmt *fmt)
}

static struct hpp_sort_entry *
-__sort_dimension__alloc_hpp(struct sort_dimension *sd)
+__sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
{
struct hpp_sort_entry *hse;

@@ -1572,6 +1572,7 @@ __sort_dimension__alloc_hpp(struct sort_dimension *sd)
hse->hpp.elide = false;
hse->hpp.len = 0;
hse->hpp.user_len = 0;
+ hse->hpp.level = level;

return hse;
}
@@ -1581,7 +1582,8 @@ static void hpp_free(struct perf_hpp_fmt *fmt)
free(fmt);
}

-static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd)
+static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
+ int level)
{
struct perf_hpp_fmt *fmt;

@@ -1590,6 +1592,7 @@ static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd)
INIT_LIST_HEAD(&fmt->list);
INIT_LIST_HEAD(&fmt->sort_list);
fmt->free = hpp_free;
+ fmt->level = level;
}

return fmt;
@@ -1611,9 +1614,9 @@ int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
return hse->se->se_filter(he, type, arg);
}

-static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd)
+static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd, int level)
{
- struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd);
+ struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);

if (hse == NULL)
return -1;
@@ -1625,7 +1628,7 @@ static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd)
static int __sort_dimension__add_hpp_output(struct perf_hpp_list *list,
struct sort_dimension *sd)
{
- struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd);
+ struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);

if (hse == NULL)
return -1;
@@ -1868,7 +1871,8 @@ static void hde_free(struct perf_hpp_fmt *fmt)
}

static struct hpp_dynamic_entry *
-__alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field)
+__alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field,
+ int level)
{
struct hpp_dynamic_entry *hde;

@@ -1899,6 +1903,7 @@ __alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field)
hde->hpp.elide = false;
hde->hpp.len = 0;
hde->hpp.user_len = 0;
+ hde->hpp.level = level;

return hde;
}
@@ -1974,11 +1979,11 @@ static struct perf_evsel *find_evsel(struct perf_evlist *evlist, char *event_nam

static int __dynamic_dimension__add(struct perf_evsel *evsel,
struct format_field *field,
- bool raw_trace)
+ bool raw_trace, int level)
{
struct hpp_dynamic_entry *hde;

- hde = __alloc_dynamic_entry(evsel, field);
+ hde = __alloc_dynamic_entry(evsel, field, level);
if (hde == NULL)
return -ENOMEM;

@@ -1988,14 +1993,14 @@ static int __dynamic_dimension__add(struct perf_evsel *evsel,
return 0;
}

-static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace)
+static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace, int level)
{
int ret;
struct format_field *field;

field = evsel->tp_format->format.fields;
while (field) {
- ret = __dynamic_dimension__add(evsel, field, raw_trace);
+ ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
if (ret < 0)
return ret;

@@ -2004,7 +2009,8 @@ static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace)
return 0;
}

-static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace)
+static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace,
+ int level)
{
int ret;
struct perf_evsel *evsel;
@@ -2013,7 +2019,7 @@ static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace)
if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
continue;

- ret = add_evsel_fields(evsel, raw_trace);
+ ret = add_evsel_fields(evsel, raw_trace, level);
if (ret < 0)
return ret;
}
@@ -2021,7 +2027,7 @@ static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace)
}

static int add_all_matching_fields(struct perf_evlist *evlist,
- char *field_name, bool raw_trace)
+ char *field_name, bool raw_trace, int level)
{
int ret = -ESRCH;
struct perf_evsel *evsel;
@@ -2035,14 +2041,15 @@ static int add_all_matching_fields(struct perf_evlist *evlist,
if (field == NULL)
continue;

- ret = __dynamic_dimension__add(evsel, field, raw_trace);
+ ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
if (ret < 0)
break;
}
return ret;
}

-static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok)
+static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok,
+ int level)
{
char *str, *event_name, *field_name, *opt_name;
struct perf_evsel *evsel;
@@ -2072,12 +2079,12 @@ static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok)
}

if (!strcmp(field_name, "trace_fields")) {
- ret = add_all_dynamic_fields(evlist, raw_trace);
+ ret = add_all_dynamic_fields(evlist, raw_trace, level);
goto out;
}

if (event_name == NULL) {
- ret = add_all_matching_fields(evlist, field_name, raw_trace);
+ ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
goto out;
}

@@ -2095,7 +2102,7 @@ static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok)
}

if (!strcmp(field_name, "*")) {
- ret = add_evsel_fields(evsel, raw_trace);
+ ret = add_evsel_fields(evsel, raw_trace, level);
} else {
field = pevent_find_any_field(evsel->tp_format, field_name);
if (field == NULL) {
@@ -2104,7 +2111,7 @@ static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok)
return -ENOENT;
}

- ret = __dynamic_dimension__add(evsel, field, raw_trace);
+ ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
}

out:
@@ -2112,12 +2119,12 @@ out:
return ret;
}

-static int __sort_dimension__add(struct sort_dimension *sd)
+static int __sort_dimension__add(struct sort_dimension *sd, int level)
{
if (sd->taken)
return 0;

- if (__sort_dimension__add_hpp_sort(sd) < 0)
+ if (__sort_dimension__add_hpp_sort(sd, level) < 0)
return -1;

if (sd->entry->se_collapse)
@@ -2128,14 +2135,14 @@ static int __sort_dimension__add(struct sort_dimension *sd)
return 0;
}

-static int __hpp_dimension__add(struct hpp_dimension *hd)
+static int __hpp_dimension__add(struct hpp_dimension *hd, int level)
{
struct perf_hpp_fmt *fmt;

if (hd->taken)
return 0;

- fmt = __hpp_dimension__alloc_hpp(hd);
+ fmt = __hpp_dimension__alloc_hpp(hd, level);
if (!fmt)
return -1;

@@ -2165,7 +2172,7 @@ static int __hpp_dimension__add_output(struct perf_hpp_list *list,
if (hd->taken)
return 0;

- fmt = __hpp_dimension__alloc_hpp(hd);
+ fmt = __hpp_dimension__alloc_hpp(hd, 0);
if (!fmt)
return -1;

@@ -2180,8 +2187,8 @@ int hpp_dimension__add_output(unsigned col)
return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
}

-static int sort_dimension__add(const char *tok,
- struct perf_evlist *evlist __maybe_unused)
+static int sort_dimension__add(const char *tok, struct perf_evlist *evlist,
+ int level)
{
unsigned int i;

@@ -2220,7 +2227,7 @@ static int sort_dimension__add(const char *tok,
sort__has_thread = 1;
}

- return __sort_dimension__add(sd);
+ return __sort_dimension__add(sd, level);
}

for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
@@ -2229,7 +2236,7 @@ static int sort_dimension__add(const char *tok,
if (strncasecmp(tok, hd->name, strlen(tok)))
continue;

- return __hpp_dimension__add(hd);
+ return __hpp_dimension__add(hd, level);
}

for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
@@ -2244,7 +2251,7 @@ static int sort_dimension__add(const char *tok,
if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
sort__has_sym = 1;

- __sort_dimension__add(sd);
+ __sort_dimension__add(sd, level);
return 0;
}

@@ -2260,11 +2267,11 @@ static int sort_dimension__add(const char *tok,
if (sd->entry == &sort_mem_daddr_sym)
sort__has_sym = 1;

- __sort_dimension__add(sd);
+ __sort_dimension__add(sd, level);
return 0;
}

- if (!add_dynamic_entry(evlist, tok))
+ if (!add_dynamic_entry(evlist, tok, level))
return 0;

return -ESRCH;
@@ -2274,10 +2281,11 @@ static int setup_sort_list(char *str, struct perf_evlist *evlist)
{
char *tmp, *tok;
int ret = 0;
+ int level = 0;

for (tok = strtok_r(str, ", ", &tmp);
tok; tok = strtok_r(NULL, ", ", &tmp)) {
- ret = sort_dimension__add(tok, evlist);
+ ret = sort_dimension__add(tok, evlist, level++);
if (ret == -EINVAL) {
error("Invalid --sort key: `%s'", tok);
break;
@@ -2667,7 +2675,7 @@ int setup_sorting(struct perf_evlist *evlist)
return err;

if (parent_pattern != default_parent_pattern) {
- err = sort_dimension__add("parent", evlist);
+ err = sort_dimension__add("parent", evlist, -1);
if (err < 0)
return err;
}