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perf top: Ditch private annotation code, share perf annotate's

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Next step: Live TUI annotation in perf top, just press enter on a symbol
line.

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>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-02-06 14:54:44 -02:00
parent f1e2701de0
commit 36532461a0
4 changed files with 106 additions and 173 deletions
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76
tools/perf/util/annotate.c
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@ -22,9 +22,19 @@ int symbol__alloc_hist(struct symbol *sym, int nevents)
notes->sizeof_sym_hist = (sizeof(*notes->histograms) +
(sym->end - sym->start) * sizeof(u64));
notes->histograms = calloc(nevents, notes->sizeof_sym_hist);
notes->nr_histograms = nevents;
return notes->histograms == NULL ? -1 : 0;
}
void symbol__annotate_zero_histograms(struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
if (notes->histograms != NULL)
memset(notes->histograms, 0,
notes->nr_histograms * notes->sizeof_sym_hist);
}
int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
int evidx, u64 addr)
{
@ -85,9 +95,10 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
return NULL;
}
static void objdump_line__print(struct objdump_line *oline,
struct list_head *head, struct symbol *sym,
int evidx, u64 len, int min_pcnt)
static int objdump_line__print(struct objdump_line *oline,
struct list_head *head, struct symbol *sym,
int evidx, u64 len, int min_pcnt,
int printed, int max_lines)
{
static const char *prev_line;
static const char *prev_color;
@ -119,7 +130,10 @@ static void objdump_line__print(struct objdump_line *oline,
percent = 100.0 * hits / h->sum;
if (percent < min_pcnt)
return;
return -1;
if (printed >= max_lines)
return 1;
color = get_percent_color(percent);
@ -140,12 +154,16 @@ static void objdump_line__print(struct objdump_line *oline,
color_fprintf(stdout, color, " %7.2f", percent);
printf(" : ");
color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", oline->line);
} else {
} else if (printed >= max_lines)
return 1;
else {
if (!*oline->line)
printf(" :\n");
else
printf(" : %s\n", oline->line);
}
return 0;
}
static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, FILE *file,
@ -421,14 +439,15 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx)
printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
}
void symbol__annotate_printf(struct symbol *sym, struct map *map,
struct list_head *head, int evidx, bool full_paths,
int min_pcnt, int max_lines)
int symbol__annotate_printf(struct symbol *sym, struct map *map,
struct list_head *head, int evidx, bool full_paths,
int min_pcnt, int max_lines)
{
struct dso *dso = map->dso;
const char *filename = dso->long_name, *d_filename;
struct objdump_line *pos;
int printed = 2;
int more = 0;
u64 len;
if (full_paths)
@ -445,10 +464,47 @@ void symbol__annotate_printf(struct symbol *sym, struct map *map,
symbol__annotate_hits(sym, evidx);
list_for_each_entry(pos, head, node) {
objdump_line__print(pos, head, sym, evidx, len, min_pcnt);
if (max_lines && ++printed >= max_lines)
switch (objdump_line__print(pos, head, sym, evidx, len, min_pcnt,
printed, max_lines)) {
case 0:
++printed;
break;
case 1:
/* filtered by max_lines */
++more;
break;
case -1:
default:
/* filtered by min_pcnt */
break;
}
}
return more;
}
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
{
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evidx);
memset(h, 0, notes->sizeof_sym_hist);
}
void symbol__annotate_decay_histogram(struct symbol *sym,
struct list_head *head, int evidx)
{
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evidx);
struct objdump_line *pos;
h->sum = 0;
list_for_each_entry(pos, head, node) {
if (pos->offset != -1) {
h->addr[pos->offset] = h->addr[pos->offset] * 7 / 8;
h->sum += h->addr[pos->offset];
}
}
}