aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/builtin-annotate.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-annotate.c')
-rw-r--r--tools/perf/builtin-annotate.c198
1 files changed, 2 insertions, 196 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 3940964..fd1b786 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -34,68 +34,8 @@ static bool full_paths;
static bool print_line;
-struct sym_hist {
- u64 sum;
- u64 ip[0];
-};
-
-struct sym_ext {
- struct rb_node node;
- double percent;
- char *path;
-};
-
-struct sym_priv {
- struct sym_hist *hist;
- struct sym_ext *ext;
-};
-
static const char *sym_hist_filter;
-static int sym__alloc_hist(struct symbol *self)
-{
- struct sym_priv *priv = symbol__priv(self);
- const int size = (sizeof(*priv->hist) +
- (self->end - self->start) * sizeof(u64));
-
- priv->hist = zalloc(size);
- return priv->hist == NULL ? -1 : 0;
-}
-
-/*
- * collect histogram counts
- */
-static int annotate__hist_hit(struct hist_entry *he, u64 ip)
-{
- unsigned int sym_size, offset;
- struct symbol *sym = he->ms.sym;
- struct sym_priv *priv;
- struct sym_hist *h;
-
- if (!sym || !he->ms.map)
- return 0;
-
- priv = symbol__priv(sym);
- if (priv->hist == NULL && sym__alloc_hist(sym) < 0)
- return -ENOMEM;
-
- sym_size = sym->end - sym->start;
- offset = ip - sym->start;
-
- pr_debug3("%s: ip=%#Lx\n", __func__, he->ms.map->unmap_ip(he->ms.map, ip));
-
- if (offset >= sym_size)
- return 0;
-
- h = priv->hist;
- h->sum++;
- h->ip[offset]++;
-
- pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->ms.sym->start,
- he->ms.sym->name, ip, ip - he->ms.sym->start, h->ip[offset]);
- return 0;
-}
-
static int hists__add_entry(struct hists *self, struct addr_location *al)
{
struct hist_entry *he;
@@ -115,7 +55,7 @@ static int hists__add_entry(struct hists *self, struct addr_location *al)
if (he == NULL)
return -ENOMEM;
- return annotate__hist_hit(he, al->addr);
+ return hist_entry__inc_addr_samples(he, al->addr);
}
static int process_sample_event(event_t *event, struct perf_session *session)
@@ -140,101 +80,6 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
}
-struct objdump_line {
- struct list_head node;
- s64 offset;
- char *line;
-};
-
-static struct objdump_line *objdump_line__new(s64 offset, char *line)
-{
- struct objdump_line *self = malloc(sizeof(*self));
-
- if (self != NULL) {
- self->offset = offset;
- self->line = line;
- }
-
- return self;
-}
-
-static void objdump_line__free(struct objdump_line *self)
-{
- free(self->line);
- free(self);
-}
-
-static void objdump__add_line(struct list_head *head, struct objdump_line *line)
-{
- list_add_tail(&line->node, head);
-}
-
-static struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
- struct objdump_line *pos)
-{
- list_for_each_entry_continue(pos, head, node)
- if (pos->offset >= 0)
- return pos;
-
- return NULL;
-}
-
-static int parse_line(FILE *file, struct hist_entry *he,
- struct list_head *head)
-{
- struct symbol *sym = he->ms.sym;
- struct objdump_line *objdump_line;
- char *line = NULL, *tmp, *tmp2;
- size_t line_len;
- s64 line_ip, offset = -1;
- char *c;
-
- if (getline(&line, &line_len, file) < 0)
- return -1;
-
- if (!line)
- return -1;
-
- c = strchr(line, '\n');
- if (c)
- *c = 0;
-
- line_ip = -1;
-
- /*
- * Strip leading spaces:
- */
- tmp = line;
- while (*tmp) {
- if (*tmp != ' ')
- break;
- tmp++;
- }
-
- if (*tmp) {
- /*
- * Parse hexa addresses followed by ':'
- */
- line_ip = strtoull(tmp, &tmp2, 16);
- if (*tmp2 != ':')
- line_ip = -1;
- }
-
- if (line_ip != -1) {
- u64 start = map__rip_2objdump(he->ms.map, sym->start);
- offset = line_ip - start;
- }
-
- objdump_line = objdump_line__new(offset, line);
- if (objdump_line == NULL) {
- free(line);
- return -1;
- }
- objdump__add_line(head, objdump_line);
-
- return 0;
-}
-
static int objdump_line__print(struct objdump_line *self,
struct list_head *head,
struct hist_entry *he, u64 len)
@@ -439,27 +284,11 @@ static void annotate_sym(struct hist_entry *he)
struct symbol *sym = he->ms.sym;
const char *filename = dso->long_name, *d_filename;
u64 len;
- char command[PATH_MAX*2];
- FILE *file;
LIST_HEAD(head);
struct objdump_line *pos, *n;
- if (!filename)
- return;
-
- if (dso->origin == DSO__ORIG_KERNEL) {
- if (dso->annotate_warned)
- return;
- dso->annotate_warned = 1;
- pr_err("Can't annotate %s: No vmlinux file was found in the "
- "path:\n", sym->name);
- vmlinux_path__fprintf(stderr);
+ if (hist_entry__annotate(he, &head) < 0)
return;
- }
-
- pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
- filename, sym->name, map->unmap_ip(map, sym->start),
- map->unmap_ip(map, sym->end));
if (full_paths)
d_filename = filename;
@@ -477,29 +306,6 @@ static void annotate_sym(struct hist_entry *he)
printf(" Percent | Source code & Disassembly of %s\n", d_filename);
printf("------------------------------------------------\n");
- if (verbose >= 2)
- printf("annotating [%p] %30s : [%p] %30s\n",
- dso, dso->long_name, sym, sym->name);
-
- sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
- map__rip_2objdump(map, sym->start),
- map__rip_2objdump(map, sym->end),
- filename, filename);
-
- if (verbose >= 3)
- printf("doing: %s\n", command);
-
- file = popen(command, "r");
- if (!file)
- return;
-
- while (!feof(file)) {
- if (parse_line(file, he, &head) < 0)
- break;
- }
-
- pclose(file);
-
if (verbose)
hist_entry__print_hits(he);