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perf annotate: Add symbol__annotate function

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Add symbol__annotate function to have generic annotation function to be
called for all annotation sources.

It calls the generic annotation init and then the specific annotation
data retrieval function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20171011150158.11895-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2017-10-11 17:01:28 +02:00
committed by Arnaldo Carvalho de Melo
parent 37236d5e0b
commit c34df25b40
5 changed files with 42 additions and 34 deletions
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58
tools/perf/util/annotate.c
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@@ -1425,13 +1425,11 @@ static const char *annotate__norm_arch(const char *arch_name)
return normalize_arch((char *)arch_name);
}
int symbol__disassemble(struct symbol *sym, struct map *map,
const char *arch_name, size_t privsize,
struct arch **parch, char *cpuid)
static int symbol__disassemble(struct symbol *sym, struct map *map,
size_t privsize, struct arch *arch)
{
struct dso *dso = map->dso;
char command[PATH_MAX * 2];
struct arch *arch = NULL;
FILE *file;
char symfs_filename[PATH_MAX];
struct kcore_extract kce;
@@ -1445,25 +1443,6 @@ int symbol__disassemble(struct symbol *sym, struct map *map,
if (err)
return err;
arch_name = annotate__norm_arch(arch_name);
if (!arch_name)
return -1;
arch = arch__find(arch_name);
if (arch == NULL)
return -ENOTSUP;
if (parch)
*parch = arch;
if (arch->init) {
err = arch->init(arch, cpuid);
if (err) {
pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
return err;
}
}
pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
symfs_filename, sym->name, map->unmap_ip(map, sym->start),
map->unmap_ip(map, sym->end));
@@ -1581,6 +1560,35 @@ out_close_stdout:
goto out_remove_tmp;
}
int symbol__annotate(struct symbol *sym, struct map *map,
const char *arch_name, size_t privsize,
struct arch **parch, char *cpuid)
{
struct arch *arch;
int err;
arch_name = annotate__norm_arch(arch_name);
if (!arch_name)
return -1;
arch = arch__find(arch_name);
if (arch == NULL)
return -ENOTSUP;
if (parch)
*parch = arch;
if (arch->init) {
err = arch->init(arch, cpuid);
if (err) {
pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
return err;
}
}
return symbol__disassemble(sym, map, privsize, arch);
}
static void insert_source_line(struct rb_root *root, struct source_line *src_line)
{
struct source_line *iter;
@@ -1954,8 +1962,8 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map,
struct rb_root source_line = RB_ROOT;
u64 len;
if (symbol__disassemble(sym, map, perf_evsel__env_arch(evsel),
0, NULL, NULL) < 0)
if (symbol__annotate(sym, map, perf_evsel__env_arch(evsel),
0, NULL, NULL) < 0)
return -1;
len = symbol__size(sym);