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-rw-r--r--tools/lib/lockdep/.gitignore1
-rw-r--r--tools/lib/lockdep/Makefile2
-rw-r--r--tools/perf/scripts/perl/Perf-Trace-Util/Context.c5
-rw-r--r--tools/perf/util/annotate.c18
-rw-r--r--tools/perf/util/evlist.c2
-rw-r--r--tools/perf/util/map.h16
-rw-r--r--tools/perf/util/probe-event.c34
-rw-r--r--tools/perf/util/symbol.c31
-rw-r--r--tools/perf/util/symbol.h1
9 files changed, 82 insertions, 28 deletions
diff --git a/tools/lib/lockdep/.gitignore b/tools/lib/lockdep/.gitignore
new file mode 100644
index 000000000000..cc0e7a9f99e3
--- /dev/null
+++ b/tools/lib/lockdep/.gitignore
@@ -0,0 +1 @@
+liblockdep.so.*
diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
index 52f9279c6c13..4b866c54f624 100644
--- a/tools/lib/lockdep/Makefile
+++ b/tools/lib/lockdep/Makefile
@@ -104,7 +104,7 @@ N =
export Q VERBOSE
-INCLUDES = -I. -I/usr/local/include -I./uinclude -I./include -I../../include $(CONFIG_INCLUDES)
+INCLUDES = -I. -I./uinclude -I./include -I../../include $(CONFIG_INCLUDES)
# Set compile option CFLAGS if not set elsewhere
CFLAGS ?= -g -DCONFIG_LOCKDEP -DCONFIG_STACKTRACE -DCONFIG_PROVE_LOCKING -DBITS_PER_LONG=__WORDSIZE -DLIBLOCKDEP_VERSION='"$(LIBLOCKDEP_VERSION)"' -rdynamic -O0 -g
diff --git a/tools/perf/scripts/perl/Perf-Trace-Util/Context.c b/tools/perf/scripts/perl/Perf-Trace-Util/Context.c
index 790ceba6ad3f..28431d1bbcf5 100644
--- a/tools/perf/scripts/perl/Perf-Trace-Util/Context.c
+++ b/tools/perf/scripts/perl/Perf-Trace-Util/Context.c
@@ -5,7 +5,10 @@
* ANY CHANGES MADE HERE WILL BE LOST!
*
*/
-
+#include <stdbool.h>
+#ifndef HAS_BOOL
+# define HAS_BOOL 1
+#endif
#line 1 "Context.xs"
/*
* Context.xs. XS interfaces for perf script.
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 79999ceaf2be..01bc4e23a2cf 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -177,14 +177,17 @@ static int lock__parse(struct ins_operands *ops)
goto out_free_ops;
ops->locked.ins = ins__find(name);
+ free(name);
+
if (ops->locked.ins == NULL)
goto out_free_ops;
if (!ops->locked.ins->ops)
return 0;
- if (ops->locked.ins->ops->parse)
- ops->locked.ins->ops->parse(ops->locked.ops);
+ if (ops->locked.ins->ops->parse &&
+ ops->locked.ins->ops->parse(ops->locked.ops) < 0)
+ goto out_free_ops;
return 0;
@@ -208,6 +211,13 @@ static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
static void lock__delete(struct ins_operands *ops)
{
+ struct ins *ins = ops->locked.ins;
+
+ if (ins && ins->ops->free)
+ ins->ops->free(ops->locked.ops);
+ else
+ ins__delete(ops->locked.ops);
+
zfree(&ops->locked.ops);
zfree(&ops->target.raw);
zfree(&ops->target.name);
@@ -531,8 +541,8 @@ static void disasm_line__init_ins(struct disasm_line *dl)
if (!dl->ins->ops)
return;
- if (dl->ins->ops->parse)
- dl->ins->ops->parse(&dl->ops);
+ if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0)
+ dl->ins = NULL;
}
static int disasm_line__parse(char *line, char **namep, char **rawp)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index cbab1fb77b1d..2e507b5025a3 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1445,7 +1445,7 @@ int perf_evlist__strerror_tp(struct perf_evlist *evlist __maybe_unused,
case ENOENT:
scnprintf(buf, size, "%s",
"Error:\tUnable to find debugfs\n"
- "Hint:\tWas your kernel was compiled with debugfs support?\n"
+ "Hint:\tWas your kernel compiled with debugfs support?\n"
"Hint:\tIs the debugfs filesystem mounted?\n"
"Hint:\tTry 'sudo mount -t debugfs nodev /sys/kernel/debug'");
break;
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 6951a9d42339..0e42438b1e59 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -116,6 +116,22 @@ struct thread;
#define map__for_each_symbol(map, pos, n) \
dso__for_each_symbol(map->dso, pos, n, map->type)
+/* map__for_each_symbol_with_name - iterate over the symbols in the given map
+ * that have the given name
+ *
+ * @map: the 'struct map *' in which symbols itereated
+ * @sym_name: the symbol name
+ * @pos: the 'struct symbol *' to use as a loop cursor
+ * @filter: to use when loading the DSO
+ */
+#define __map__for_each_symbol_by_name(map, sym_name, pos, filter) \
+ for (pos = map__find_symbol_by_name(map, sym_name, filter); \
+ pos && strcmp(pos->name, sym_name) == 0; \
+ pos = symbol__next_by_name(pos))
+
+#define map__for_each_symbol_by_name(map, sym_name, pos) \
+ __map__for_each_symbol_by_name(map, sym_name, (pos), NULL)
+
typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
void map__init(struct map *map, enum map_type type,
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 94a717bf007d..919937eb0be2 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -446,7 +446,7 @@ static int post_process_probe_trace_events(struct probe_trace_event *tevs,
}
for (i = 0; i < ntevs; i++) {
- if (tevs[i].point.address) {
+ if (tevs[i].point.address && !tevs[i].point.retprobe) {
tmp = strdup(reloc_sym->name);
if (!tmp)
return -ENOMEM;
@@ -2193,18 +2193,17 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
return ret;
}
-static char *looking_function_name;
-static int num_matched_functions;
-
-static int probe_function_filter(struct map *map __maybe_unused,
- struct symbol *sym)
+static int find_probe_functions(struct map *map, char *name)
{
- if ((sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL) &&
- strcmp(looking_function_name, sym->name) == 0) {
- num_matched_functions++;
- return 0;
+ int found = 0;
+ struct symbol *sym;
+
+ map__for_each_symbol_by_name(map, name, sym) {
+ if (sym->binding == STB_GLOBAL || sym->binding == STB_LOCAL)
+ found++;
}
- return 1;
+
+ return found;
}
#define strdup_or_goto(str, label) \
@@ -2222,10 +2221,10 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
struct kmap *kmap = NULL;
struct ref_reloc_sym *reloc_sym = NULL;
struct symbol *sym;
- struct rb_node *nd;
struct probe_trace_event *tev;
struct perf_probe_point *pp = &pev->point;
struct probe_trace_point *tp;
+ int num_matched_functions;
int ret, i;
/* Init maps of given executable or kernel */
@@ -2242,10 +2241,8 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
* Load matched symbols: Since the different local symbols may have
* same name but different addresses, this lists all the symbols.
*/
- num_matched_functions = 0;
- looking_function_name = pp->function;
- ret = map__load(map, probe_function_filter);
- if (ret || num_matched_functions == 0) {
+ num_matched_functions = find_probe_functions(map, pp->function);
+ if (num_matched_functions == 0) {
pr_err("Failed to find symbol %s in %s\n", pp->function,
target ? : "kernel");
ret = -ENOENT;
@@ -2257,7 +2254,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
goto out;
}
- if (!pev->uprobes) {
+ if (!pev->uprobes && !pp->retprobe) {
kmap = map__kmap(map);
reloc_sym = kmap->ref_reloc_sym;
if (!reloc_sym) {
@@ -2275,7 +2272,8 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
}
ret = 0;
- map__for_each_symbol(map, sym, nd) {
+
+ map__for_each_symbol_by_name(map, pp->function, sym) {
tev = (*tevs) + ret;
tp = &tev->point;
if (ret == num_matched_functions) {
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index c24c5b83156c..a194702a0a2f 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -396,6 +396,7 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
const char *name)
{
struct rb_node *n;
+ struct symbol_name_rb_node *s;
if (symbols == NULL)
return NULL;
@@ -403,7 +404,6 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
n = symbols->rb_node;
while (n) {
- struct symbol_name_rb_node *s;
int cmp;
s = rb_entry(n, struct symbol_name_rb_node, rb_node);
@@ -414,10 +414,24 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
else if (cmp > 0)
n = n->rb_right;
else
- return &s->sym;
+ break;
}
- return NULL;
+ if (n == NULL)
+ return NULL;
+
+ /* return first symbol that has same name (if any) */
+ for (n = rb_prev(n); n; n = rb_prev(n)) {
+ struct symbol_name_rb_node *tmp;
+
+ tmp = rb_entry(n, struct symbol_name_rb_node, rb_node);
+ if (strcmp(tmp->sym.name, s->sym.name))
+ break;
+
+ s = tmp;
+ }
+
+ return &s->sym;
}
struct symbol *dso__find_symbol(struct dso *dso,
@@ -436,6 +450,17 @@ struct symbol *dso__next_symbol(struct symbol *sym)
return symbols__next(sym);
}
+struct symbol *symbol__next_by_name(struct symbol *sym)
+{
+ struct symbol_name_rb_node *s = container_of(sym, struct symbol_name_rb_node, sym);
+ struct rb_node *n = rb_next(&s->rb_node);
+
+ return n ? &rb_entry(n, struct symbol_name_rb_node, rb_node)->sym : NULL;
+}
+
+ /*
+ * Teturns first symbol that matched with @name.
+ */
struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
const char *name)
{
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 9d602e9c6f59..1650dcb3a67b 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -231,6 +231,7 @@ struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
u64 addr);
struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
const char *name);
+struct symbol *symbol__next_by_name(struct symbol *sym);
struct symbol *dso__first_symbol(struct dso *dso, enum map_type type);
struct symbol *dso__next_symbol(struct symbol *sym);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.