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Subject[PATCH 15/44] perf annotate: Move mark_jump_targets from the TUI to the annotation library
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

This also is not TUI specific, should be used in the upcoming --stdio2
mode.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-v827xec8z3hxrmgp7bwa6ohs@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/ui/browsers/annotate.c | 54 +++------------------------------------
tools/perf/util/annotate.c | 44 +++++++++++++++++++++++++++++++
tools/perf/util/annotate.h | 4 +++
3 files changed, 51 insertions(+), 51 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index d05a2f991207..58be0cecb081 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -25,7 +25,6 @@ struct disasm_line_samples {
struct browser_line {
u32 idx;
int idx_asm;
- int jump_sources;
};

static struct annotation_options annotate_browser__opts = {
@@ -132,7 +131,6 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
struct annotation *notes = browser__annotation(browser);
struct annotation_line *al = list_entry(entry, struct annotation_line, node);
- struct browser_line *bl = browser_line(al);
bool current_entry = ui_browser__is_current_entry(browser, row);
bool change_color = (!notes->options->hide_src_code &&
(!current_entry || (browser->use_navkeypressed &&
@@ -228,13 +226,13 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
if (!notes->options->use_offset) {
printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr);
} else {
- if (bl->jump_sources) {
+ if (al->jump_sources) {
if (notes->options->show_nr_jumps) {
int prev;
printed = scnprintf(bf, sizeof(bf), "%*d ",
ab->jumps_width,
- bl->jump_sources);
- prev = ui_browser__set_jumps_percent_color(browser, bl->jump_sources,
+ al->jump_sources);
+ prev = ui_browser__set_jumps_percent_color(browser, al->jump_sources,
current_entry);
ui_browser__write_nstring(browser, bf, printed);
ui_browser__set_color(browser, prev);
@@ -263,17 +261,6 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
ab->selection = al;
}

-static bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym)
-{
- if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins)
- || !disasm_line__has_offset(dl)
- || dl->ops.target.offset < 0
- || dl->ops.target.offset >= (s64)symbol__size(sym))
- return false;
-
- return true;
-}
-
static bool is_fused(struct annotate_browser *ab, struct disasm_line *cursor)
{
struct disasm_line *pos = list_prev_entry(cursor, al.node);
@@ -964,41 +951,6 @@ int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
return map_symbol__tui_annotate(&he->ms, evsel, hbt);
}

-static void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym)
-{
- u64 offset, size = symbol__size(sym);
-
- /* PLT symbols contain external offsets */
- if (strstr(sym->name, "@plt"))
- return;
-
- for (offset = 0; offset < size; ++offset) {
- struct annotation_line *al = notes->offsets[offset];
- struct disasm_line *dl;
- struct browser_line *blt;
-
- dl = disasm_line(al);
-
- if (!disasm_line__is_valid_jump(dl, sym))
- continue;
-
- al = notes->offsets[dl->ops.target.offset];
-
- /*
- * FIXME: Oops, no jump target? Buggy disassembler? Or do we
- * have to adjust to the previous offset?
- */
- if (al == NULL)
- continue;
-
- blt = browser_line(al);
- if (++blt->jump_sources > notes->max_jump_sources)
- notes->max_jump_sources = blt->jump_sources;
-
- ++notes->nr_jumps;
- }
-}
-
static inline int width_jumps(int n)
{
if (n >= 100)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index d737c33c87d0..330275680a1a 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2012,6 +2012,50 @@ size_t disasm__fprintf(struct list_head *head, FILE *fp)
return printed;
}

+
+bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym)
+{
+ if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) ||
+ !disasm_line__has_offset(dl) || dl->ops.target.offset < 0 ||
+ dl->ops.target.offset >= (s64)symbol__size(sym))
+ return false;
+
+ return true;
+}
+
+void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym)
+{
+ u64 offset, size = symbol__size(sym);
+
+ /* PLT symbols contain external offsets */
+ if (strstr(sym->name, "@plt"))
+ return;
+
+ for (offset = 0; offset < size; ++offset) {
+ struct annotation_line *al = notes->offsets[offset];
+ struct disasm_line *dl;
+
+ dl = disasm_line(al);
+
+ if (!disasm_line__is_valid_jump(dl, sym))
+ continue;
+
+ al = notes->offsets[dl->ops.target.offset];
+
+ /*
+ * FIXME: Oops, no jump target? Buggy disassembler? Or do we
+ * have to adjust to the previous offset?
+ */
+ if (al == NULL)
+ continue;
+
+ if (++al->jump_sources > notes->max_jump_sources)
+ notes->max_jump_sources = al->jump_sources;
+
+ ++notes->nr_jumps;
+ }
+}
+
static void annotation__calc_lines(struct annotation *notes, struct map *map,
struct rb_root *root, u64 start)
{
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 897a84712ab4..ab4a8b7710a0 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -90,6 +90,7 @@ struct annotation_line {
s64 offset;
char *line;
int line_nr;
+ int jump_sources;
float ipc;
u64 cycles;
size_t privsize;
@@ -116,6 +117,8 @@ static inline bool disasm_line__has_offset(const struct disasm_line *dl)
return dl->ops.target.offset_avail;
}

+bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym);
+
void disasm_line__free(struct disasm_line *dl);
struct annotation_line *
annotation_line__next(struct annotation_line *pos, struct list_head *head);
@@ -184,6 +187,7 @@ static inline int annotation__pcnt_width(struct annotation *notes)
}

void annotation__compute_ipc(struct annotation *notes, size_t size);
+void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym);

static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
{
--
2.14.3
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