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Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r--tools/perf/util/annotate.c89
1 files changed, 45 insertions, 44 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 7aa57225cbf7..683f8340460c 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -7,6 +7,8 @@
* Released under the GPL v2. (and only v2, not any later version)
*/
+#include <errno.h>
+#include <inttypes.h>
#include "util.h"
#include "ui/ui.h"
#include "sort.h"
@@ -18,12 +20,16 @@
#include "annotate.h"
#include "evsel.h"
#include "block-range.h"
+#include "string2.h"
#include "arch/common.h"
#include <regex.h>
#include <pthread.h>
#include <linux/bitops.h>
+#include <linux/kernel.h>
#include <sys/utsname.h>
+#include "sane_ctype.h"
+
const char *disassembler_style;
const char *objdump_path;
static regex_t file_lineno;
@@ -108,6 +114,7 @@ static int arch__associate_ins_ops(struct arch* arch, const char *name, struct i
#include "arch/arm64/annotate/instructions.c"
#include "arch/x86/annotate/instructions.c"
#include "arch/powerpc/annotate/instructions.c"
+#include "arch/s390/annotate/instructions.c"
static struct arch architectures[] = {
{
@@ -132,6 +139,7 @@ static struct arch architectures[] = {
},
{
.name = "s390",
+ .init = s390__annotate_init,
.objdump = {
.comment_char = '#',
},
@@ -385,9 +393,7 @@ static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *m
if (comment == NULL)
return 0;
- while (comment[0] != '\0' && isspace(comment[0]))
- ++comment;
-
+ comment = ltrim(comment);
comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name);
comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
@@ -432,9 +438,7 @@ static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops
if (comment == NULL)
return 0;
- while (comment[0] != '\0' && isspace(comment[0]))
- ++comment;
-
+ comment = ltrim(comment);
comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
return 0;
@@ -783,10 +787,7 @@ static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, str
static int disasm_line__parse(char *line, const char **namep, char **rawp)
{
- char *name = line, tmp;
-
- while (isspace(name[0]))
- ++name;
+ char tmp, *name = ltrim(line);
if (name[0] == '\0')
return -1;
@@ -804,12 +805,7 @@ static int disasm_line__parse(char *line, const char **namep, char **rawp)
goto out_free_name;
(*rawp)[0] = tmp;
-
- if ((*rawp)[0] != '\0') {
- (*rawp)++;
- while (isspace((*rawp)[0]))
- ++(*rawp);
- }
+ *rawp = ltrim(*rawp);
return 0;
@@ -1154,7 +1150,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
{
struct annotation *notes = symbol__annotation(sym);
struct disasm_line *dl;
- char *line = NULL, *parsed_line, *tmp, *tmp2, *c;
+ char *line = NULL, *parsed_line, *tmp, *tmp2;
size_t line_len;
s64 line_ip, offset = -1;
regmatch_t match[2];
@@ -1165,32 +1161,16 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
if (!line)
return -1;
- while (line_len != 0 && isspace(line[line_len - 1]))
- line[--line_len] = '\0';
-
- c = strchr(line, '\n');
- if (c)
- *c = 0;
-
line_ip = -1;
- parsed_line = line;
+ parsed_line = rtrim(line);
/* /filename:linenr ? Save line number and ignore. */
- if (regexec(&file_lineno, line, 2, match, 0) == 0) {
- *line_nr = atoi(line + match[1].rm_so);
+ if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) {
+ *line_nr = atoi(parsed_line + match[1].rm_so);
return 0;
}
- /*
- * Strip leading spaces:
- */
- tmp = line;
- while (*tmp) {
- if (*tmp != ' ')
- break;
- tmp++;
- }
-
+ tmp = ltrim(parsed_line);
if (*tmp) {
/*
* Parse hexa addresses followed by ':'
@@ -1313,6 +1293,7 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil
{
char linkname[PATH_MAX];
char *build_id_filename;
+ char *build_id_path = NULL;
if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
!dso__is_kcore(dso))
@@ -1328,8 +1309,14 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil
goto fallback;
}
+ build_id_path = strdup(filename);
+ if (!build_id_path)
+ return -1;
+
+ dirname(build_id_path);
+
if (dso__is_kcore(dso) ||
- readlink(filename, linkname, sizeof(linkname)) < 0 ||
+ readlink(build_id_path, linkname, sizeof(linkname)) < 0 ||
strstr(linkname, DSO__NAME_KALLSYMS) ||
access(filename, R_OK)) {
fallback:
@@ -1341,6 +1328,7 @@ fallback:
__symbol__join_symfs(filename, filename_size, dso->long_name);
}
+ free(build_id_path);
return 0;
}
@@ -1441,7 +1429,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na
snprintf(command, sizeof(command),
"%s %s%s --start-address=0x%016" PRIx64
" --stop-address=0x%016" PRIx64
- " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand",
+ " -l -d %s %s -C %s 2>/dev/null|grep -v %s:|expand",
objdump_path ? objdump_path : "objdump",
disassembler_style ? "-M " : "",
disassembler_style ? disassembler_style : "",
@@ -1488,6 +1476,12 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na
nline = 0;
while (!feof(file)) {
+ /*
+ * The source code line number (lineno) needs to be kept in
+ * accross calls to symbol__parse_objdump_line(), so that it
+ * can associate it with the instructions till the next one.
+ * See disasm_line__new() and struct disasm_line::line_nr.
+ */
if (symbol__parse_objdump_line(sym, map, arch, file, privsize,
&lineno) < 0)
break;
@@ -1657,24 +1651,31 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
start = map__rip_2objdump(map, sym->start);
for (i = 0; i < len; i++) {
- u64 offset;
+ u64 offset, nr_samples;
double percent_max = 0.0;
src_line->nr_pcnt = nr_pcnt;
for (k = 0; k < nr_pcnt; k++) {
+ double percent = 0.0;
+
h = annotation__histogram(notes, evidx + k);
- src_line->samples[k].percent = 100.0 * h->addr[i] / h->sum;
+ nr_samples = h->addr[i];
+ if (h->sum)
+ percent = 100.0 * nr_samples / h->sum;
- if (src_line->samples[k].percent > percent_max)
- percent_max = src_line->samples[k].percent;
+ if (percent > percent_max)
+ percent_max = percent;
+ src_line->samples[k].percent = percent;
+ src_line->samples[k].nr = nr_samples;
}
if (percent_max <= 0.5)
goto next;
offset = start + i;
- src_line->path = get_srcline(map->dso, offset, NULL, false);
+ src_line->path = get_srcline(map->dso, offset, NULL,
+ false, true);
insert_source_line(&tmp_root, src_line);
next:
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 09:02:24 +0300