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Subject[PATCH 4/6] perf annotate: Config options for symbol__tty_annotate
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

Max line# that should be printed, minimum percentage filter, just like
'perf top', alas, due to it :-)

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-annotate.c | 2 +-
tools/perf/util/annotate.c | 14 ++++++++++----
tools/perf/util/annotate.h | 3 ++-
3 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index f3e4423..ea6a116 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -95,7 +95,7 @@ static int process_sample_event(union perf_event *event,
static int hist_entry__tty_annotate(struct hist_entry *he, int evidx)
{
return symbol__tty_annotate(he->ms.sym, he->ms.map, evidx,
- print_line, full_paths);
+ print_line, full_paths, 0, 0);
}

static void hists__find_annotations(struct hists *self)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 7488fe9..072bc8d 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -87,7 +87,7 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head,

static void objdump_line__print(struct objdump_line *oline,
struct list_head *head, struct symbol *sym,
- int evidx, u64 len)
+ int evidx, u64 len, int min_pcnt)
{
static const char *prev_line;
static const char *prev_color;
@@ -118,6 +118,9 @@ static void objdump_line__print(struct objdump_line *oline,
if (src_line == NULL && h->sum)
percent = 100.0 * hits / h->sum;

+ if (percent < min_pcnt)
+ return;
+
color = get_percent_color(percent);

/*
@@ -419,13 +422,15 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx)
}

int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
- bool print_lines, bool full_paths)
+ bool print_lines, bool full_paths, int min_pcnt,
+ int max_lines)
{
struct dso *dso = map->dso;
const char *filename = dso->long_name, *d_filename;
struct rb_root source_line = RB_ROOT;
struct objdump_line *pos, *n;
LIST_HEAD(head);
+ int printed = 2;
u64 len;

if (symbol__annotate(sym, map, &head, 0) < 0)
@@ -444,7 +449,6 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
print_summary(&source_line, filename);
}

- printf("\n\n------------------------------------------------\n");
printf(" Percent | Source code & Disassembly of %s\n", d_filename);
printf("------------------------------------------------\n");

@@ -452,9 +456,11 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
symbol__annotate_hits(sym, evidx);

list_for_each_entry_safe(pos, n, &head, node) {
- objdump_line__print(pos, &head, sym, evidx, len);
+ objdump_line__print(pos, &head, sym, evidx, len, min_pcnt);
list_del(&pos->node);
objdump_line__free(pos);
+ if (max_lines && ++printed >= max_lines)
+ break;
}

if (print_lines)
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 0a5069c..6b70732 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -69,7 +69,8 @@ int symbol__annotate(struct symbol *sym, struct map *map,
struct list_head *head, size_t privsize);

int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
- bool print_lines, bool full_paths);
+ bool print_lines, bool full_paths, int min_pcnt,
+ int max_lines);

#ifdef NO_NEWT_SUPPORT
static inline int symbol__tui_annotate(symbol *sym __used,
--
1.6.2.5


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