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-rw-r--r--tools/perf/builtin-annotate.c135
-rw-r--r--tools/perf/builtin-top.c2
-rw-r--r--tools/perf/util/event.c4
-rw-r--r--tools/perf/util/probe-event.c3
-rw-r--r--tools/perf/util/thread.c34
5 files changed, 148 insertions, 30 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index e47dd1587e3..5ec5de99587 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -145,21 +145,58 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
}
-static int parse_line(FILE *file, struct hist_entry *he, u64 len)
+struct objdump_line {
+ struct list_head node;
+ s64 offset;
+ char *line;
+};
+
+static struct objdump_line *objdump_line__new(s64 offset, char *line)
+{
+ struct objdump_line *self = malloc(sizeof(*self));
+
+ if (self != NULL) {
+ self->offset = offset;
+ self->line = line;
+ }
+
+ return self;
+}
+
+static void objdump_line__free(struct objdump_line *self)
+{
+ free(self->line);
+ free(self);
+}
+
+static void objdump__add_line(struct list_head *head, struct objdump_line *line)
+{
+ list_add_tail(&line->node, head);
+}
+
+static struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
+ struct objdump_line *pos)
+{
+ list_for_each_entry_continue(pos, head, node)
+ if (pos->offset >= 0)
+ return pos;
+
+ return NULL;
+}
+
+static int parse_line(FILE *file, struct hist_entry *he,
+ struct list_head *head)
{
struct symbol *sym = he->sym;
+ struct objdump_line *objdump_line;
char *line = NULL, *tmp, *tmp2;
- static const char *prev_line;
- static const char *prev_color;
- unsigned int offset;
size_t line_len;
- u64 start;
- s64 line_ip;
- int ret;
+ s64 line_ip, offset = -1;
char *c;
if (getline(&line, &line_len, file) < 0)
return -1;
+
if (!line)
return -1;
@@ -168,8 +205,6 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
*c = 0;
line_ip = -1;
- offset = 0;
- ret = -2;
/*
* Strip leading spaces:
@@ -190,9 +225,30 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
line_ip = -1;
}
- start = map__rip_2objdump(he->map, sym->start);
-
if (line_ip != -1) {
+ u64 start = map__rip_2objdump(he->map, sym->start);
+ offset = line_ip - start;
+ }
+
+ objdump_line = objdump_line__new(offset, line);
+ if (objdump_line == NULL) {
+ free(line);
+ return -1;
+ }
+ objdump__add_line(head, objdump_line);
+
+ return 0;
+}
+
+static int objdump_line__print(struct objdump_line *self,
+ struct list_head *head,
+ struct hist_entry *he, u64 len)
+{
+ struct symbol *sym = he->sym;
+ static const char *prev_line;
+ static const char *prev_color;
+
+ if (self->offset != -1) {
const char *path = NULL;
unsigned int hits = 0;
double percent = 0.0;
@@ -200,15 +256,22 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
struct sym_priv *priv = symbol__priv(sym);
struct sym_ext *sym_ext = priv->ext;
struct sym_hist *h = priv->hist;
+ s64 offset = self->offset;
+ struct objdump_line *next = objdump__get_next_ip_line(head, self);
+
+ while (offset < (s64)len &&
+ (next == NULL || offset < next->offset)) {
+ if (sym_ext) {
+ if (path == NULL)
+ path = sym_ext[offset].path;
+ percent += sym_ext[offset].percent;
+ } else
+ hits += h->ip[offset];
+
+ ++offset;
+ }
- offset = line_ip - start;
- if (offset < len)
- hits = h->ip[offset];
-
- if (offset < len && sym_ext) {
- path = sym_ext[offset].path;
- percent = sym_ext[offset].percent;
- } else if (h->sum)
+ if (sym_ext == NULL && h->sum)
percent = 100.0 * hits / h->sum;
color = get_percent_color(percent);
@@ -229,12 +292,12 @@ static int parse_line(FILE *file, struct hist_entry *he, u64 len)
color_fprintf(stdout, color, " %7.2f", percent);
printf(" : ");
- color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line);
+ color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line);
} else {
- if (!*line)
+ if (!*self->line)
printf(" :\n");
else
- printf(" : %s\n", line);
+ printf(" : %s\n", self->line);
}
return 0;
@@ -360,6 +423,20 @@ static void print_summary(const char *filename)
}
}
+static void hist_entry__print_hits(struct hist_entry *self)
+{
+ struct symbol *sym = self->sym;
+ struct sym_priv *priv = symbol__priv(sym);
+ struct sym_hist *h = priv->hist;
+ u64 len = sym->end - sym->start, offset;
+
+ for (offset = 0; offset < len; ++offset)
+ if (h->ip[offset] != 0)
+ printf("%*Lx: %Lu\n", BITS_PER_LONG / 2,
+ sym->start + offset, h->ip[offset]);
+ printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum);
+}
+
static void annotate_sym(struct hist_entry *he)
{
struct map *map = he->map;
@@ -369,6 +446,8 @@ static void annotate_sym(struct hist_entry *he)
u64 len;
char command[PATH_MAX*2];
FILE *file;
+ LIST_HEAD(head);
+ struct objdump_line *pos, *n;
if (!filename)
return;
@@ -410,11 +489,21 @@ static void annotate_sym(struct hist_entry *he)
return;
while (!feof(file)) {
- if (parse_line(file, he, len) < 0)
+ if (parse_line(file, he, &head) < 0)
break;
}
pclose(file);
+
+ if (verbose)
+ hist_entry__print_hits(he);
+
+ list_for_each_entry_safe(pos, n, &head, node) {
+ objdump_line__print(pos, &head, he, len);
+ list_del(&pos->node);
+ objdump_line__free(pos);
+ }
+
if (print_line)
free_source_line(he, len);
}
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c6706984b7b..31f2e597800 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -706,7 +706,7 @@ static void print_mapped_keys(void)
fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", display_weighted ? 1 : 0);
fprintf(stdout,
- "\t[K] hide kernel_symbols symbols. \t(%s)\n",
+ "\t[K] hide kernel_symbols symbols. \t(%s)\n",
hide_kernel_symbols ? "yes" : "no");
fprintf(stdout,
"\t[U] hide user symbols. \t(%s)\n",
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 9eb7005bc6d..705ec63548b 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -442,10 +442,10 @@ void thread__find_addr_map(struct thread *self,
al->thread = self;
al->addr = addr;
- if (cpumode & PERF_RECORD_MISC_KERNEL) {
+ if (cpumode == PERF_RECORD_MISC_KERNEL) {
al->level = 'k';
mg = &session->kmaps;
- } else if (cpumode & PERF_RECORD_MISC_USER)
+ } else if (cpumode == PERF_RECORD_MISC_USER)
al->level = '.';
else {
al->level = 'H';
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index fa156f008e0..c971e81e9cb 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -320,6 +320,7 @@ int synthesize_perf_probe_point(struct probe_point *pp)
int ret;
pp->probes[0] = buf = zalloc(MAX_CMDLEN);
+ pp->found = 1;
if (!buf)
die("Failed to allocate memory by zalloc.");
if (pp->offset) {
@@ -342,6 +343,7 @@ int synthesize_perf_probe_point(struct probe_point *pp)
error:
free(pp->probes[0]);
pp->probes[0] = NULL;
+ pp->found = 0;
}
return ret;
}
@@ -507,6 +509,7 @@ void show_perf_probe_events(void)
setup_pager();
+ memset(&pp, 0, sizeof(pp));
fd = open_kprobe_events(O_RDONLY, 0);
rawlist = get_trace_kprobe_event_rawlist(fd);
close(fd);
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index c090654cb6c..21b92162282 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -31,15 +31,41 @@ static struct thread *thread__new(pid_t pid)
return self;
}
+static void map_groups__flush(struct map_groups *self)
+{
+ int type;
+
+ for (type = 0; type < MAP__NR_TYPES; type++) {
+ struct rb_root *root = &self->maps[type];
+ struct rb_node *next = rb_first(root);
+
+ while (next) {
+ struct map *pos = rb_entry(next, struct map, rb_node);
+ next = rb_next(&pos->rb_node);
+ rb_erase(&pos->rb_node, root);
+ /*
+ * We may have references to this map, for
+ * instance in some hist_entry instances, so
+ * just move them to a separate list.
+ */
+ list_add_tail(&pos->node, &self->removed_maps[pos->type]);
+ }
+ }
+}
+
int thread__set_comm(struct thread *self, const char *comm)
{
+ int err;
+
if (self->comm)
free(self->comm);
self->comm = strdup(comm);
- if (self->comm == NULL)
- return -ENOMEM;
- self->comm_set = true;
- return 0;
+ err = self->comm == NULL ? -ENOMEM : 0;
+ if (!err) {
+ self->comm_set = true;
+ map_groups__flush(&self->mg);
+ }
+ return err;
}
int thread__comm_len(struct thread *self)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-29 03:58:40 +0000