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-rw-r--r--tools/perf/util/annotate.c305
-rw-r--r--tools/perf/util/annotate.h52
-rw-r--r--tools/perf/util/symbol.h5
-rw-r--r--tools/perf/util/util.c10
-rw-r--r--tools/perf/util/util.h2
5 files changed, 323 insertions, 51 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 1e7fd52bd29d..5eb34123f55b 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -18,6 +18,149 @@
const char *disassembler_style;
+static int call__parse(struct ins_operands *ops)
+{
+ char *endptr, *tok, *name;
+
+ ops->target.addr = strtoull(ops->raw, &endptr, 16);
+
+ name = strchr(endptr, '<');
+ if (name == NULL)
+ goto indirect_call;
+
+ name++;
+
+ tok = strchr(name, '>');
+ if (tok == NULL)
+ return -1;
+
+ *tok = '\0';
+ ops->target.name = strdup(name);
+ *tok = '>';
+
+ return ops->target.name == NULL ? -1 : 0;
+
+indirect_call:
+ tok = strchr(endptr, '*');
+ if (tok == NULL)
+ return -1;
+
+ ops->target.addr = strtoull(tok + 1, NULL, 16);
+ return 0;
+}
+
+static int call__scnprintf(struct ins *ins, char *bf, size_t size,
+ struct ins_operands *ops, bool addrs)
+{
+ if (addrs)
+ return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);
+
+ if (ops->target.name)
+ return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name);
+
+ return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr);
+}
+
+static struct ins_ops call_ops = {
+ .parse = call__parse,
+ .scnprintf = call__scnprintf,
+};
+
+bool ins__is_call(const struct ins *ins)
+{
+ return ins->ops == &call_ops;
+}
+
+static int jump__parse(struct ins_operands *ops)
+{
+ const char *s = strchr(ops->raw, '+');
+
+ ops->target.addr = strtoll(ops->raw, NULL, 16);
+
+ if (s++ != NULL)
+ ops->target.offset = strtoll(s, NULL, 16);
+ else
+ ops->target.offset = UINT64_MAX;
+
+ return 0;
+}
+
+static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
+ struct ins_operands *ops, bool addrs)
+{
+ if (addrs)
+ return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);
+
+ return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset);
+}
+
+static struct ins_ops jump_ops = {
+ .parse = jump__parse,
+ .scnprintf = jump__scnprintf,
+};
+
+bool ins__is_jump(const struct ins *ins)
+{
+ return ins->ops == &jump_ops;
+}
+
+/*
+ * Must be sorted by name!
+ */
+static struct ins instructions[] = {
+ { .name = "call", .ops = &call_ops, },
+ { .name = "callq", .ops = &call_ops, },
+ { .name = "ja", .ops = &jump_ops, },
+ { .name = "jae", .ops = &jump_ops, },
+ { .name = "jb", .ops = &jump_ops, },
+ { .name = "jbe", .ops = &jump_ops, },
+ { .name = "jc", .ops = &jump_ops, },
+ { .name = "jcxz", .ops = &jump_ops, },
+ { .name = "je", .ops = &jump_ops, },
+ { .name = "jecxz", .ops = &jump_ops, },
+ { .name = "jg", .ops = &jump_ops, },
+ { .name = "jge", .ops = &jump_ops, },
+ { .name = "jl", .ops = &jump_ops, },
+ { .name = "jle", .ops = &jump_ops, },
+ { .name = "jmp", .ops = &jump_ops, },
+ { .name = "jmpq", .ops = &jump_ops, },
+ { .name = "jna", .ops = &jump_ops, },
+ { .name = "jnae", .ops = &jump_ops, },
+ { .name = "jnb", .ops = &jump_ops, },
+ { .name = "jnbe", .ops = &jump_ops, },
+ { .name = "jnc", .ops = &jump_ops, },
+ { .name = "jne", .ops = &jump_ops, },
+ { .name = "jng", .ops = &jump_ops, },
+ { .name = "jnge", .ops = &jump_ops, },
+ { .name = "jnl", .ops = &jump_ops, },
+ { .name = "jnle", .ops = &jump_ops, },
+ { .name = "jno", .ops = &jump_ops, },
+ { .name = "jnp", .ops = &jump_ops, },
+ { .name = "jns", .ops = &jump_ops, },
+ { .name = "jnz", .ops = &jump_ops, },
+ { .name = "jo", .ops = &jump_ops, },
+ { .name = "jp", .ops = &jump_ops, },
+ { .name = "jpe", .ops = &jump_ops, },
+ { .name = "jpo", .ops = &jump_ops, },
+ { .name = "jrcxz", .ops = &jump_ops, },
+ { .name = "js", .ops = &jump_ops, },
+ { .name = "jz", .ops = &jump_ops, },
+};
+
+static int ins__cmp(const void *name, const void *insp)
+{
+ const struct ins *ins = insp;
+
+ return strcmp(name, ins->name);
+}
+
+static struct ins *ins__find(const char *name)
+{
+ const int nmemb = ARRAY_SIZE(instructions);
+
+ return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp);
+}
+
int symbol__annotate_init(struct map *map __used, struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
@@ -28,7 +171,7 @@ int symbol__annotate_init(struct map *map __used, struct symbol *sym)
int symbol__alloc_hist(struct symbol *sym)
{
struct annotation *notes = symbol__annotation(sym);
- const size_t size = sym->end - sym->start + 1;
+ const size_t size = symbol__size(sym);
size_t sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64));
notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist);
@@ -78,36 +221,87 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
return 0;
}
-static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize)
+static void disasm_line__init_ins(struct disasm_line *dl)
{
- struct objdump_line *self = malloc(sizeof(*self) + privsize);
+ dl->ins = ins__find(dl->name);
+
+ if (dl->ins == NULL)
+ return;
+
+ if (!dl->ins->ops)
+ return;
- if (self != NULL) {
- self->offset = offset;
- self->line = strdup(line);
- if (self->line == NULL)
+ if (dl->ins->ops->parse)
+ dl->ins->ops->parse(&dl->ops);
+}
+
+static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize)
+{
+ struct disasm_line *dl = zalloc(sizeof(*dl) + privsize);
+
+ if (dl != NULL) {
+ dl->offset = offset;
+ dl->line = strdup(line);
+ if (dl->line == NULL)
goto out_delete;
+
+ if (offset != -1) {
+ char *name = dl->line, tmp;
+
+ while (isspace(name[0]))
+ ++name;
+
+ if (name[0] == '\0')
+ goto out_delete;
+
+ dl->ops.raw = name + 1;
+
+ while (dl->ops.raw[0] != '\0' &&
+ !isspace(dl->ops.raw[0]))
+ ++dl->ops.raw;
+
+ tmp = dl->ops.raw[0];
+ dl->ops.raw[0] = '\0';
+ dl->name = strdup(name);
+
+ if (dl->name == NULL)
+ goto out_free_line;
+
+ dl->ops.raw[0] = tmp;
+
+ if (dl->ops.raw[0] != '\0') {
+ dl->ops.raw++;
+ while (isspace(dl->ops.raw[0]))
+ ++dl->ops.raw;
+ }
+
+ disasm_line__init_ins(dl);
+ }
}
- return self;
+ return dl;
+
+out_free_line:
+ free(dl->line);
out_delete:
- free(self);
+ free(dl);
return NULL;
}
-void objdump_line__free(struct objdump_line *self)
+void disasm_line__free(struct disasm_line *dl)
{
- free(self->line);
- free(self);
+ free(dl->line);
+ free(dl->name);
+ free(dl->ops.target.name);
+ free(dl);
}
-static void objdump__add_line(struct list_head *head, struct objdump_line *line)
+static void disasm__add(struct list_head *head, struct disasm_line *line)
{
list_add_tail(&line->node, head);
}
-struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
- struct objdump_line *pos)
+struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos)
{
list_for_each_entry_continue(pos, head, node)
if (pos->offset >= 0)
@@ -116,15 +310,14 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
return NULL;
}
-static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
- u64 start, int evidx, u64 len, int min_pcnt,
- int printed, int max_lines,
- struct objdump_line *queue)
+static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start,
+ int evidx, u64 len, int min_pcnt, int printed,
+ int max_lines, struct disasm_line *queue)
{
static const char *prev_line;
static const char *prev_color;
- if (oline->offset != -1) {
+ if (dl->offset != -1) {
const char *path = NULL;
unsigned int hits = 0;
double percent = 0.0;
@@ -132,11 +325,11 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
struct annotation *notes = symbol__annotation(sym);
struct source_line *src_line = notes->src->lines;
struct sym_hist *h = annotation__histogram(notes, evidx);
- s64 offset = oline->offset;
+ s64 offset = dl->offset;
const u64 addr = start + offset;
- struct objdump_line *next;
+ struct disasm_line *next;
- next = objdump__get_next_ip_line(&notes->src->source, oline);
+ next = disasm__get_next_ip_line(&notes->src->source, dl);
while (offset < (s64)len &&
(next == NULL || offset < next->offset)) {
@@ -161,9 +354,9 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
if (queue != NULL) {
list_for_each_entry_from(queue, &notes->src->source, node) {
- if (queue == oline)
+ if (queue == dl)
break;
- objdump_line__print(queue, sym, start, evidx, len,
+ disasm_line__print(queue, sym, start, evidx, len,
0, 0, 1, NULL);
}
}
@@ -187,17 +380,17 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym,
color_fprintf(stdout, color, " %7.2f", percent);
printf(" : ");
color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr);
- color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", oline->line);
+ color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line);
} else if (max_lines && printed >= max_lines)
return 1;
else {
if (queue)
return -1;
- if (!*oline->line)
+ if (!*dl->line)
printf(" :\n");
else
- printf(" : %s\n", oline->line);
+ printf(" : %s\n", dl->line);
}
return 0;
@@ -207,7 +400,7 @@ 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;
+ struct disasm_line *dl;
char *line = NULL, *parsed_line, *tmp, *tmp2, *c;
size_t line_len;
s64 line_ip, offset = -1;
@@ -258,13 +451,13 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
parsed_line = tmp2 + 1;
}
- objdump_line = objdump_line__new(offset, parsed_line, privsize);
+ dl = disasm_line__new(offset, parsed_line, privsize);
free(line);
- if (objdump_line == NULL)
+ if (dl == NULL)
return -1;
- objdump__add_line(&notes->src->source, objdump_line);
+ disasm__add(&notes->src->source, dl);
return 0;
}
@@ -487,7 +680,7 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx)
{
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evidx);
- u64 len = sym->end - sym->start, offset;
+ u64 len = symbol__size(sym), offset;
for (offset = 0; offset < len; ++offset)
if (h->addr[offset] != 0)
@@ -503,7 +696,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
struct dso *dso = map->dso;
const char *filename = dso->long_name, *d_filename;
struct annotation *notes = symbol__annotation(sym);
- struct objdump_line *pos, *queue = NULL;
+ struct disasm_line *pos, *queue = NULL;
u64 start = map__rip_2objdump(map, sym->start);
int printed = 2, queue_len = 0;
int more = 0;
@@ -514,7 +707,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
else
d_filename = basename(filename);
- len = sym->end - sym->start;
+ len = symbol__size(sym);
printf(" Percent | Source code & Disassembly of %s\n", d_filename);
printf("------------------------------------------------\n");
@@ -528,7 +721,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
queue_len = 0;
}
- switch (objdump_line__print(pos, sym, start, evidx, len,
+ switch (disasm_line__print(pos, sym, start, evidx, len,
min_pcnt, printed, max_lines,
queue)) {
case 0:
@@ -574,7 +767,7 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
{
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evidx);
- int len = sym->end - sym->start, offset;
+ int len = symbol__size(sym), offset;
h->sum = 0;
for (offset = 0; offset < len; ++offset) {
@@ -583,14 +776,42 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
}
}
-void objdump_line_list__purge(struct list_head *head)
+void disasm__purge(struct list_head *head)
{
- struct objdump_line *pos, *n;
+ struct disasm_line *pos, *n;
list_for_each_entry_safe(pos, n, head, node) {
list_del(&pos->node);
- objdump_line__free(pos);
+ disasm_line__free(pos);
+ }
+}
+
+static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
+{
+ size_t printed;
+
+ if (dl->offset == -1)
+ return fprintf(fp, "%s\n", dl->line);
+
+ printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name);
+
+ if (dl->ops.raw[0] != '\0') {
+ printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
+ dl->ops.raw);
}
+
+ return printed + fprintf(fp, "\n");
+}
+
+size_t disasm__fprintf(struct list_head *head, FILE *fp)
+{
+ struct disasm_line *pos;
+ size_t printed = 0;
+
+ list_for_each_entry(pos, head, node)
+ printed += disasm_line__fprintf(pos, fp);
+
+ return printed;
}
int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
@@ -605,7 +826,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
if (symbol__annotate(sym, map, 0) < 0)
return -1;
- len = sym->end - sym->start;
+ len = symbol__size(sym);
if (print_lines) {
symbol__get_source_line(sym, map, evidx, &source_line,
@@ -618,7 +839,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
if (print_lines)
symbol__free_source_line(sym, len);
- objdump_line_list__purge(&symbol__annotation(sym)->src->source);
+ disasm__purge(&symbol__annotation(sym)->src->source);
return 0;
}
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index efa5dc82bfae..13a21f10dabb 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -2,20 +2,54 @@
#define __PERF_ANNOTATE_H
#include <stdbool.h>
+#include <stdint.h>
#include "types.h"
#include "symbol.h"
#include <linux/list.h>
#include <linux/rbtree.h>
-struct objdump_line {
- struct list_head node;
- s64 offset;
- char *line;
+struct ins;
+
+struct ins_operands {
+ char *raw;
+ struct {
+ char *name;
+ u64 offset;
+ u64 addr;
+ } target;
+};
+
+struct ins_ops {
+ int (*parse)(struct ins_operands *ops);
+ int (*scnprintf)(struct ins *ins, char *bf, size_t size,
+ struct ins_operands *ops, bool addrs);
};
-void objdump_line__free(struct objdump_line *self);
-struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
- struct objdump_line *pos);
+struct ins {
+ const char *name;
+ struct ins_ops *ops;
+};
+
+bool ins__is_jump(const struct ins *ins);
+bool ins__is_call(const struct ins *ins);
+
+struct disasm_line {
+ struct list_head node;
+ s64 offset;
+ char *line;
+ char *name;
+ struct ins *ins;
+ struct ins_operands ops;
+};
+
+static inline bool disasm_line__has_offset(const struct disasm_line *dl)
+{
+ return dl->ops.target.offset != UINT64_MAX;
+}
+
+void disasm_line__free(struct disasm_line *dl);
+struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos);
+size_t disasm__fprintf(struct list_head *head, FILE *fp);
struct sym_hist {
u64 sum;
@@ -32,7 +66,7 @@ struct source_line {
*
* @histogram: Array of addr hit histograms per event being monitored
* @lines: If 'print_lines' is specified, per source code line percentages
- * @source: source parsed from objdump -dS
+ * @source: source parsed from a disassembler like objdump -dS
*
* lines is allocated, percentages calculated and all sorted by percentage
* when the annotation is about to be presented, so the percentages are for
@@ -82,7 +116,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
int context);
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
-void objdump_line_list__purge(struct list_head *head);
+void disasm__purge(struct list_head *head);
int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
bool print_lines, bool full_paths, int min_pcnt,
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index ac49ef208a5f..1f003884f1ab 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -65,6 +65,11 @@ struct symbol {
void symbol__delete(struct symbol *sym);
+static inline size_t symbol__size(const struct symbol *sym)
+{
+ return sym->end - sym->start + 1;
+}
+
struct strlist;
struct symbol_conf {
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 8109a907841e..d03599fbe78b 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -148,3 +148,13 @@ int readn(int fd, void *buf, size_t n)
return buf - buf_start;
}
+
+size_t hex_width(u64 v)
+{
+ size_t n = 1;
+
+ while ((v >>= 4))
+ ++n;
+
+ return n;
+}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0f99f394d8e0..6121e24fefc0 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -265,4 +265,6 @@ bool is_power_of_2(unsigned long n)
return (n != 0 && ((n & (n - 1)) == 0));
}
+size_t hex_width(u64 v);
+
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.