summaryrefslogtreecommitdiff
path: root/tools/perf/util/annotate.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r--tools/perf/util/annotate.c267
1 files changed, 169 insertions, 98 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 31bb326b07a6..1e59b9e5339d 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -87,6 +87,8 @@ struct annotated_data_type canary_type = {
},
};
+#define NO_TYPE ((struct annotated_data_type *)-1UL)
+
/* symbol histogram: key = offset << 16 | evsel->core.idx */
static size_t sym_hist_hash(long key, void *ctx __maybe_unused)
{
@@ -758,15 +760,31 @@ static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_wi
return 0;
}
+static struct annotated_data_type *
+__hist_entry__get_data_type(struct hist_entry *he, struct arch *arch,
+ struct debuginfo *dbg, struct disasm_line *dl,
+ int *type_offset);
+
+struct annotation_print_data {
+ struct hist_entry *he;
+ struct evsel *evsel;
+ struct arch *arch;
+ struct debuginfo *dbg;
+ u64 start;
+ int addr_fmt_width;
+};
+
static int
-annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start,
- struct evsel *evsel, u64 len, int min_pcnt, int printed,
- int max_lines, struct annotation_line *queue, int addr_fmt_width,
- int percent_type)
+annotation_line__print(struct annotation_line *al, struct annotation_print_data *apd,
+ struct annotation_options *opts, int printed,
+ struct annotation_line *queue)
{
+ struct symbol *sym = apd->he->ms.sym;
struct disasm_line *dl = container_of(al, struct disasm_line, al);
struct annotation *notes = symbol__annotation(sym);
static const char *prev_line;
+ int max_lines = opts->max_lines;
+ int percent_type = opts->percent_type;
if (al->offset != -1) {
double max_percent = 0.0;
@@ -786,19 +804,23 @@ annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start
if (al->data_nr > nr_percent)
nr_percent = al->data_nr;
- if (max_percent < min_pcnt)
+ if (max_percent < opts->min_pcnt)
return -1;
if (max_lines && printed >= max_lines)
return 1;
if (queue != NULL) {
+ struct annotation_options queue_opts = {
+ .max_lines = 1,
+ .percent_type = percent_type,
+ };
+
list_for_each_entry_from(queue, &notes->src->source, node) {
if (queue == al)
break;
- annotation_line__print(queue, sym, start, evsel, len,
- 0, 0, 1, NULL, addr_fmt_width,
- percent_type);
+ annotation_line__print(queue, apd, &queue_opts,
+ /*printed=*/0, /*queue=*/NULL);
}
}
@@ -823,7 +845,31 @@ annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start
printf(" : ");
- disasm_line__print(dl, start, addr_fmt_width);
+ disasm_line__print(dl, apd->start, apd->addr_fmt_width);
+
+ if (opts->code_with_type && apd->dbg) {
+ struct annotated_data_type *data_type;
+ int offset = 0;
+
+ data_type = __hist_entry__get_data_type(apd->he, apd->arch,
+ apd->dbg, dl, &offset);
+ if (data_type && data_type != NO_TYPE) {
+ char buf[4096];
+
+ printf("\t\t# data-type: %s",
+ data_type->self.type_name);
+
+ if (data_type != &stackop_type &&
+ data_type != &canary_type)
+ printf(" +%#x", offset);
+
+ if (annotated_data_type__get_member_name(data_type,
+ buf,
+ sizeof(buf),
+ offset))
+ printf(" (%s)", buf);
+ }
+ }
/*
* Also color the filename and line if needed, with
@@ -849,7 +895,8 @@ annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start
if (!*al->line)
printf(" %*s:\n", width, " ");
else
- printf(" %*s: %-*d %s\n", width, " ", addr_fmt_width, al->line_nr, al->line);
+ printf(" %*s: %-*d %s\n", width, " ", apd->addr_fmt_width,
+ al->line_nr, al->line);
}
return 0;
@@ -1167,8 +1214,9 @@ static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start)
return 0;
}
-int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel)
+int hist_entry__annotate_printf(struct hist_entry *he, struct evsel *evsel)
{
+ struct map_symbol *ms = &he->ms;
struct map *map = ms->map;
struct symbol *sym = ms->sym;
struct dso *dso = map__dso(map);
@@ -1179,11 +1227,14 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel)
struct sym_hist *h = annotation__histogram(notes, evsel);
struct annotation_line *pos, *queue = NULL;
struct annotation_options *opts = &annotate_opts;
- u64 start = map__rip_2objdump(map, sym->start);
- int printed = 2, queue_len = 0, addr_fmt_width;
+ struct annotation_print_data apd = {
+ .he = he,
+ .evsel = evsel,
+ .start = map__rip_2objdump(map, sym->start),
+ };
+ int printed = 2, queue_len = 0;
int more = 0;
bool context = opts->context;
- u64 len;
int width = annotation__pcnt_width(notes);
int graph_dotted_len;
char buf[512];
@@ -1197,8 +1248,6 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel)
else
d_filename = basename(filename);
- len = symbol__size(sym);
-
if (evsel__is_group_event(evsel)) {
evsel__group_desc(evsel, buf, sizeof(buf));
evsel_name = buf;
@@ -1217,7 +1266,10 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel)
if (verbose > 0)
symbol__annotate_hits(sym, evsel);
- addr_fmt_width = annotated_source__addr_fmt_width(&notes->src->source, start);
+ apd.addr_fmt_width = annotated_source__addr_fmt_width(&notes->src->source,
+ apd.start);
+ evsel__get_arch(evsel, &apd.arch);
+ apd.dbg = debuginfo__new(filename);
list_for_each_entry(pos, &notes->src->source, node) {
int err;
@@ -1227,9 +1279,7 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel)
queue_len = 0;
}
- err = annotation_line__print(pos, sym, start, evsel, len,
- opts->min_pcnt, printed, opts->max_lines,
- queue, addr_fmt_width, opts->percent_type);
+ err = annotation_line__print(pos, &apd, opts, printed, queue);
switch (err) {
case 0:
@@ -1260,6 +1310,7 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel)
}
}
+ debuginfo__delete(apd.dbg);
free(filename);
return more;
@@ -1597,8 +1648,9 @@ static void symbol__calc_lines(struct map_symbol *ms, struct rb_root *root)
annotation__calc_lines(notes, ms, root);
}
-int symbol__tty_annotate2(struct map_symbol *ms, struct evsel *evsel)
+int hist_entry__tty_annotate2(struct hist_entry *he, struct evsel *evsel)
{
+ struct map_symbol *ms = &he->ms;
struct dso *dso = map__dso(ms->map);
struct symbol *sym = ms->sym;
struct rb_root source_line = RB_ROOT;
@@ -1632,8 +1684,9 @@ int symbol__tty_annotate2(struct map_symbol *ms, struct evsel *evsel)
return 0;
}
-int symbol__tty_annotate(struct map_symbol *ms, struct evsel *evsel)
+int hist_entry__tty_annotate(struct hist_entry *he, struct evsel *evsel)
{
+ struct map_symbol *ms = &he->ms;
struct dso *dso = map__dso(ms->map);
struct symbol *sym = ms->sym;
struct rb_root source_line = RB_ROOT;
@@ -1657,7 +1710,7 @@ int symbol__tty_annotate(struct map_symbol *ms, struct evsel *evsel)
print_summary(&source_line, dso__long_name(dso));
}
- symbol__annotate_printf(ms, evsel);
+ hist_entry__annotate_printf(he, evsel);
annotated_source__purge(symbol__annotation(sym)->src);
@@ -2643,6 +2696,92 @@ void debuginfo_cache__delete(void)
di_cache.dbg = NULL;
}
+static struct annotated_data_type *
+__hist_entry__get_data_type(struct hist_entry *he, struct arch *arch,
+ struct debuginfo *dbg, struct disasm_line *dl,
+ int *type_offset)
+{
+ struct map_symbol *ms = &he->ms;
+ struct annotated_insn_loc loc;
+ struct annotated_op_loc *op_loc;
+ struct annotated_data_type *mem_type;
+ struct annotated_item_stat *istat;
+ int i;
+
+ istat = annotate_data_stat(&ann_insn_stat, dl->ins.name);
+ if (istat == NULL) {
+ ann_data_stat.no_insn++;
+ return NO_TYPE;
+ }
+
+ if (annotate_get_insn_location(arch, dl, &loc) < 0) {
+ ann_data_stat.no_insn_ops++;
+ istat->bad++;
+ return NO_TYPE;
+ }
+
+ if (is_stack_operation(arch, dl)) {
+ istat->good++;
+ *type_offset = 0;
+ return &stackop_type;
+ }
+
+ for_each_insn_op_loc(&loc, i, op_loc) {
+ struct data_loc_info dloc = {
+ .arch = arch,
+ .thread = he->thread,
+ .ms = ms,
+ .ip = ms->sym->start + dl->al.offset,
+ .cpumode = he->cpumode,
+ .op = op_loc,
+ .di = dbg,
+ };
+
+ if (!op_loc->mem_ref && op_loc->segment == INSN_SEG_NONE)
+ continue;
+
+ /* PC-relative addressing */
+ if (op_loc->reg1 == DWARF_REG_PC) {
+ dloc.var_addr = annotate_calc_pcrel(ms, dloc.ip,
+ op_loc->offset, dl);
+ }
+
+ /* This CPU access in kernel - pretend PC-relative addressing */
+ if (dso__kernel(map__dso(ms->map)) && arch__is(arch, "x86") &&
+ op_loc->segment == INSN_SEG_X86_GS && op_loc->imm) {
+ dloc.var_addr = op_loc->offset;
+ op_loc->reg1 = DWARF_REG_PC;
+ }
+
+ mem_type = find_data_type(&dloc);
+
+ if (mem_type == NULL && is_stack_canary(arch, op_loc)) {
+ istat->good++;
+ *type_offset = 0;
+ return &canary_type;
+ }
+
+ if (mem_type)
+ istat->good++;
+ else
+ istat->bad++;
+
+ if (symbol_conf.annotate_data_sample) {
+ struct evsel *evsel = hists_to_evsel(he->hists);
+
+ annotated_data_type__update_samples(mem_type, evsel,
+ dloc.type_offset,
+ he->stat.nr_events,
+ he->stat.period);
+ }
+ *type_offset = dloc.type_offset;
+ return mem_type ?: NO_TYPE;
+ }
+
+ /* retry with a fused instruction */
+ return NULL;
+}
+
/**
* hist_entry__get_data_type - find data type for given hist entry
* @he: hist entry
@@ -2658,12 +2797,9 @@ struct annotated_data_type *hist_entry__get_data_type(struct hist_entry *he)
struct evsel *evsel = hists_to_evsel(he->hists);
struct arch *arch;
struct disasm_line *dl;
- struct annotated_insn_loc loc;
- struct annotated_op_loc *op_loc;
struct annotated_data_type *mem_type;
struct annotated_item_stat *istat;
u64 ip = he->ip;
- int i;
ann_data_stat.total++;
@@ -2715,77 +2851,10 @@ struct annotated_data_type *hist_entry__get_data_type(struct hist_entry *he)
}
retry:
- istat = annotate_data_stat(&ann_insn_stat, dl->ins.name);
- if (istat == NULL) {
- ann_data_stat.no_insn++;
- return NULL;
- }
-
- if (annotate_get_insn_location(arch, dl, &loc) < 0) {
- ann_data_stat.no_insn_ops++;
- istat->bad++;
- return NULL;
- }
-
- if (is_stack_operation(arch, dl)) {
- istat->good++;
- he->mem_type_off = 0;
- return &stackop_type;
- }
-
- for_each_insn_op_loc(&loc, i, op_loc) {
- struct data_loc_info dloc = {
- .arch = arch,
- .thread = he->thread,
- .ms = ms,
- /* Recalculate IP for LOCK prefix or insn fusion */
- .ip = ms->sym->start + dl->al.offset,
- .cpumode = he->cpumode,
- .op = op_loc,
- .di = di_cache.dbg,
- };
-
- if (!op_loc->mem_ref && op_loc->segment == INSN_SEG_NONE)
- continue;
-
- /* Recalculate IP because of LOCK prefix or insn fusion */
- ip = ms->sym->start + dl->al.offset;
-
- /* PC-relative addressing */
- if (op_loc->reg1 == DWARF_REG_PC) {
- dloc.var_addr = annotate_calc_pcrel(ms, dloc.ip,
- op_loc->offset, dl);
- }
-
- /* This CPU access in kernel - pretend PC-relative addressing */
- if (dso__kernel(map__dso(ms->map)) && arch__is(arch, "x86") &&
- op_loc->segment == INSN_SEG_X86_GS && op_loc->imm) {
- dloc.var_addr = op_loc->offset;
- op_loc->reg1 = DWARF_REG_PC;
- }
-
- mem_type = find_data_type(&dloc);
-
- if (mem_type == NULL && is_stack_canary(arch, op_loc)) {
- istat->good++;
- he->mem_type_off = 0;
- return &canary_type;
- }
-
- if (mem_type)
- istat->good++;
- else
- istat->bad++;
-
- if (symbol_conf.annotate_data_sample) {
- annotated_data_type__update_samples(mem_type, evsel,
- dloc.type_offset,
- he->stat.nr_events,
- he->stat.period);
- }
- he->mem_type_off = dloc.type_offset;
- return mem_type;
- }
+ mem_type = __hist_entry__get_data_type(he, arch, di_cache.dbg, dl,
+ &he->mem_type_off);
+ if (mem_type)
+ return mem_type == NO_TYPE ? NULL : mem_type;
/*
* Some instructions can be fused and the actual memory access came
@@ -2805,7 +2874,9 @@ retry:
}
ann_data_stat.no_mem_ops++;
- istat->bad++;
+ istat = annotate_data_stat(&ann_insn_stat, dl->ins.name);
+ if (istat)
+ istat->bad++;
return NULL;
}