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-rw-r--r--tools/perf/util/annotate.c85
1 files changed, 49 insertions, 36 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 6db435167d7..c777bdaf91d 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -14,25 +14,39 @@
#include "symbol.h"
#include "debug.h"
#include "annotate.h"
+#include <pthread.h>
-int symbol__alloc_hist(struct symbol *sym, int nevents)
+int symbol__annotate_init(struct map *map __used, struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
+ pthread_mutex_init(&notes->lock, NULL);
+ return 0;
+}
- notes->sizeof_sym_hist = (sizeof(*notes->histograms) +
+int symbol__alloc_hist(struct symbol *sym, int nevents)
+{
+ struct annotation *notes = symbol__annotation(sym);
+ size_t sizeof_sym_hist = (sizeof(struct sym_hist) +
(sym->end - sym->start) * sizeof(u64));
- notes->histograms = calloc(nevents, notes->sizeof_sym_hist);
- notes->nr_histograms = nevents;
- return notes->histograms == NULL ? -1 : 0;
+
+ notes->src = zalloc(sizeof(*notes->src) + nevents * sizeof_sym_hist);
+ if (notes->src == NULL)
+ return -1;
+ notes->src->sizeof_sym_hist = sizeof_sym_hist;
+ notes->src->nr_histograms = nevents;
+ INIT_LIST_HEAD(&notes->src->source);
+ return 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);
+ pthread_mutex_lock(&notes->lock);
+ if (notes->src != NULL)
+ memset(notes->src->histograms, 0,
+ notes->src->nr_histograms * notes->src->sizeof_sym_hist);
+ pthread_mutex_unlock(&notes->lock);
}
int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
@@ -43,7 +57,7 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
struct sym_hist *h;
notes = symbol__annotation(sym);
- if (notes->histograms == NULL)
+ if (notes->src == NULL)
return -ENOMEM;
pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
@@ -95,8 +109,7 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
return NULL;
}
-static int objdump_line__print(struct objdump_line *oline,
- struct list_head *head, struct symbol *sym,
+static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
int evidx, u64 len, int min_pcnt,
int printed, int max_lines)
{
@@ -109,10 +122,12 @@ static int objdump_line__print(struct objdump_line *oline,
double percent = 0.0;
const char *color;
struct annotation *notes = symbol__annotation(sym);
- struct source_line *src_line = notes->src_line;
+ struct source_line *src_line = notes->src->lines;
struct sym_hist *h = annotation__histogram(notes, evidx);
s64 offset = oline->offset;
- struct objdump_line *next = objdump__get_next_ip_line(head, oline);
+ struct objdump_line *next;
+
+ next = objdump__get_next_ip_line(&notes->src->source, oline);
while (offset < (s64)len &&
(next == NULL || offset < next->offset)) {
@@ -166,9 +181,10 @@ static int objdump_line__print(struct objdump_line *oline,
return 0;
}
-static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, FILE *file,
- struct list_head *head, size_t privsize)
+static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
+ FILE *file, size_t privsize)
{
+ struct annotation *notes = symbol__annotation(sym);
struct objdump_line *objdump_line;
char *line = NULL, *tmp, *tmp2, *c;
size_t line_len;
@@ -222,13 +238,12 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, FILE
free(line);
return -1;
}
- objdump__add_line(head, objdump_line);
+ objdump__add_line(&notes->src->source, objdump_line);
return 0;
}
-int symbol__annotate(struct symbol *sym, struct map *map,
- struct list_head *head, size_t privsize)
+int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
{
struct dso *dso = map->dso;
char *filename = dso__build_id_filename(dso, NULL, 0);
@@ -297,7 +312,7 @@ fallback:
goto out_free_filename;
while (!feof(file))
- if (symbol__parse_objdump_line(sym, map, file, head, privsize) < 0)
+ if (symbol__parse_objdump_line(sym, map, file, privsize) < 0)
break;
pclose(file);
@@ -330,14 +345,14 @@ static void insert_source_line(struct rb_root *root, struct source_line *src_lin
static void symbol__free_source_line(struct symbol *sym, int len)
{
struct annotation *notes = symbol__annotation(sym);
- struct source_line *src_line = notes->src_line;
+ struct source_line *src_line = notes->src->lines;
int i;
for (i = 0; i < len; i++)
free(src_line[i].path);
free(src_line);
- notes->src_line = NULL;
+ notes->src->lines = NULL;
}
/* Get the filename:line for the colored entries */
@@ -355,8 +370,8 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
if (!h->sum)
return 0;
- src_line = notes->src_line = calloc(len, sizeof(struct source_line));
- if (!notes->src_line)
+ src_line = notes->src->lines = calloc(len, sizeof(struct source_line));
+ if (!notes->src->lines)
return -1;
start = map->unmap_ip(map, sym->start);
@@ -436,12 +451,12 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx)
printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
}
-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)
+int symbol__annotate_printf(struct symbol *sym, struct map *map, 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 annotation *notes = symbol__annotation(sym);
struct objdump_line *pos;
int printed = 2;
int more = 0;
@@ -460,8 +475,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
if (verbose)
symbol__annotate_hits(sym, evidx);
- list_for_each_entry(pos, head, node) {
- switch (objdump_line__print(pos, head, sym, evidx, len, min_pcnt,
+ list_for_each_entry(pos, &notes->src->source, node) {
+ switch (objdump_line__print(pos, sym, evidx, len, min_pcnt,
printed, max_lines)) {
case 0:
++printed;
@@ -485,11 +500,10 @@ 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);
+ memset(h, 0, notes->src->sizeof_sym_hist);
}
-void symbol__annotate_decay_histogram(struct symbol *sym,
- struct list_head *head, int evidx)
+void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
{
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evidx);
@@ -497,7 +511,7 @@ void symbol__annotate_decay_histogram(struct symbol *sym,
h->sum = 0;
- list_for_each_entry(pos, head, node) {
+ list_for_each_entry(pos, &notes->src->source, node) {
if (pos->offset != -1) {
h->addr[pos->offset] = h->addr[pos->offset] * 7 / 8;
h->sum += h->addr[pos->offset];
@@ -522,10 +536,9 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
struct dso *dso = map->dso;
const char *filename = dso->long_name;
struct rb_root source_line = RB_ROOT;
- LIST_HEAD(head);
u64 len;
- if (symbol__annotate(sym, map, &head, 0) < 0)
+ if (symbol__annotate(sym, map, 0) < 0)
return -1;
len = sym->end - sym->start;
@@ -536,12 +549,12 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
print_summary(&source_line, filename);
}
- symbol__annotate_printf(sym, map, &head, evidx, full_paths,
+ symbol__annotate_printf(sym, map, evidx, full_paths,
min_pcnt, max_lines);
if (print_lines)
symbol__free_source_line(sym, len);
- objdump_line_list__purge(&head);
+ objdump_line_list__purge(&symbol__annotation(sym)->src->source);
return 0;
}