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Subject[PATCH 12/17] perf tools: Add ->sort() member to struct sort_entry
Date
Currently, what the sort_entry does is just identifying hist entries
so that they can be grouped properly. However, with -F option
support, it indeed needs to sort entries appropriately to be shown to
users. So add ->sort() member to do it.

Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/util/sort.c | 27 ++++++++++++++++++++++-----
tools/perf/util/sort.h | 1 +
2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 639dd49f2884..1e7b80e517d5 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -98,6 +98,12 @@ sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
return comm__str(right->comm) - comm__str(left->comm);
}

+static int64_t
+sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
+{
+ return strcmp(comm__str(right->comm), comm__str(left->comm));
+}
+
static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
size_t size, unsigned int width)
{
@@ -108,6 +114,7 @@ struct sort_entry sort_comm = {
.se_header = "Command",
.se_cmp = sort__comm_cmp,
.se_collapse = sort__comm_collapse,
+ .se_sort = sort__comm_sort,
.se_snprintf = hist_entry__comm_snprintf,
.se_width_idx = HISTC_COMM,
};
@@ -121,7 +128,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
const char *dso_name_l, *dso_name_r;

if (!dso_l || !dso_r)
- return cmp_null(dso_l, dso_r);
+ return cmp_null(dso_r, dso_l);

if (verbose) {
dso_name_l = dso_l->long_name;
@@ -137,7 +144,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
static int64_t
sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
{
- return _sort__dso_cmp(left->ms.map, right->ms.map);
+ return _sort__dso_cmp(right->ms.map, left->ms.map);
}

static int _hist_entry__dso_snprintf(struct map *map, char *bf,
@@ -209,6 +216,15 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
return _sort__sym_cmp(left->ms.sym, right->ms.sym);
}

+static int64_t
+sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
+{
+ if (!left->ms.sym || !right->ms.sym)
+ return cmp_null(left->ms.sym, right->ms.sym);
+
+ return strcmp(right->ms.sym->name, left->ms.sym->name);
+}
+
static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
u64 ip, char level, char *bf, size_t size,
unsigned int width)
@@ -255,6 +271,7 @@ static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
struct sort_entry sort_sym = {
.se_header = "Symbol",
.se_cmp = sort__sym_cmp,
+ .se_sort = sort__sym_sort,
.se_snprintf = hist_entry__sym_snprintf,
.se_width_idx = HISTC_SYMBOL,
};
@@ -282,7 +299,7 @@ sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
map__rip_2objdump(map, right->ip));
}
}
- return strcmp(left->srcline, right->srcline);
+ return strcmp(right->srcline, left->srcline);
}

static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
@@ -310,7 +327,7 @@ sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
if (!sym_l || !sym_r)
return cmp_null(sym_l, sym_r);

- return strcmp(sym_l->name, sym_r->name);
+ return strcmp(sym_r->name, sym_l->name);
}

static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
@@ -1125,7 +1142,7 @@ __sort_dimension__alloc_hpp(struct sort_dimension *sd)

hse->hpp.cmp = sd->entry->se_cmp;
hse->hpp.collapse = sd->entry->se_collapse ? : sd->entry->se_cmp;
- hse->hpp.sort = hse->hpp.collapse;
+ hse->hpp.sort = sd->entry->se_sort ? : hse->hpp.collapse;

INIT_LIST_HEAD(&hse->hpp.list);
INIT_LIST_HEAD(&hse->hpp.sort_list);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 02706c9766d6..cd679a56c81d 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -181,6 +181,7 @@ struct sort_entry {

int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
+ int64_t (*se_sort)(struct hist_entry *, struct hist_entry *);
int (*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
unsigned int width);
u8 se_width_idx;
--
1.9.2


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