#include "util/cache.h"
#include <linux/rbtree.h>
#include "util/symbol.h"
-#include "util/string.h"
#include "perf.h"
#include "util/debug.h"
static char const *input_name = "perf.data";
-static int force;
+static bool force;
-static int full_paths;
+static bool full_paths;
-static int print_line;
-
-struct sym_hist {
- u64 sum;
- u64 ip[0];
-};
-
-struct sym_ext {
- struct rb_node node;
- double percent;
- char *path;
-};
-
-struct sym_priv {
- struct sym_hist *hist;
- struct sym_ext *ext;
-};
-
-static struct symbol_conf symbol_conf = {
- .priv_size = sizeof(struct sym_priv),
- .try_vmlinux_path = true,
-};
+static bool print_line;
static const char *sym_hist_filter;
-static int symbol_filter(struct map *map __used, struct symbol *sym)
+static int hists__add_entry(struct hists *self, struct addr_location *al)
{
- if (sym_hist_filter == NULL ||
- strcmp(sym->name, sym_hist_filter) == 0) {
- struct sym_priv *priv = symbol__priv(sym);
- const int size = (sizeof(*priv->hist) +
- (sym->end - sym->start) * sizeof(u64));
-
- priv->hist = malloc(size);
- if (priv->hist)
- memset(priv->hist, 0, size);
+ struct hist_entry *he;
+
+ if (sym_hist_filter != NULL &&
+ (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) {
+ /* We're only interested in a symbol named sym_hist_filter */
+ if (al->sym != NULL) {
+ rb_erase(&al->sym->rb_node,
+ &al->map->dso->symbols[al->map->type]);
+ symbol__delete(al->sym);
+ }
return 0;
}
- /*
- * FIXME: We should really filter it out, as we don't want to go thru symbols
- * we're not interested, and if a DSO ends up with no symbols, delete it too,
- * but right now the kernel loading routines in symbol.c bail out if no symbols
- * are found, fix it later.
- */
- return 0;
-}
-
-/*
- * collect histogram counts
- */
-static void hist_hit(struct hist_entry *he, u64 ip)
-{
- unsigned int sym_size, offset;
- struct symbol *sym = he->sym;
- struct sym_priv *priv;
- struct sym_hist *h;
-
- he->count++;
- if (!sym || !he->map)
- return;
-
- priv = symbol__priv(sym);
- if (!priv->hist)
- return;
-
- sym_size = sym->end - sym->start;
- offset = ip - sym->start;
-
- if (verbose)
- fprintf(stderr, "%s: ip=%Lx\n", __func__,
- he->map->unmap_ip(he->map, ip));
-
- if (offset >= sym_size)
- return;
-
- h = priv->hist;
- h->sum++;
- h->ip[offset]++;
-
- if (verbose >= 3)
- printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n",
- (void *)(unsigned long)he->sym->start,
- he->sym->name,
- (void *)(unsigned long)ip, ip - he->sym->start,
- h->ip[offset]);
-}
-
-static int perf_session__add_hist_entry(struct perf_session *self,
- struct addr_location *al, u64 count)
-{
- bool hit;
- struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL,
- count, &hit);
+ he = __hists__add_entry(self, al, NULL, 1);
if (he == NULL)
return -ENOMEM;
- hist_hit(he, al->addr);
- return 0;
+
+ return hist_entry__inc_addr_samples(he, al->addr);
}
static int process_sample_event(event_t *event, struct perf_session *session)
{
struct addr_location al;
- dump_printf("(IP, %d): %d: %p\n", event->header.misc,
- event->ip.pid, (void *)(long)event->ip.ip);
+ dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc,
+ event->ip.pid, event->ip.ip);
- if (event__preprocess_sample(event, session, &al, symbol_filter) < 0) {
- fprintf(stderr, "problem processing %d event, skipping it.\n",
- event->header.type);
+ if (event__preprocess_sample(event, session, &al, NULL) < 0) {
+ pr_warning("problem processing %d event, skipping it.\n",
+ event->header.type);
return -1;
}
- if (perf_session__add_hist_entry(session, &al, 1)) {
- fprintf(stderr, "problem incrementing symbol count, "
- "skipping event\n");
+ if (!al.filtered && hists__add_entry(&session->hists, &al)) {
+ pr_warning("problem incrementing symbol count, "
+ "skipping event\n");
return -1;
}
return 0;
}
-static int parse_line(FILE *file, struct hist_entry *he, u64 len)
+static int objdump_line__print(struct objdump_line *self,
+ struct list_head *head,
+ struct hist_entry *he, u64 len)
{
- struct symbol *sym = he->sym;
- char *line = NULL, *tmp, *tmp2;
+ struct symbol *sym = he->ms.sym;
static const char *prev_line;
static const char *prev_color;
- unsigned int offset;
- size_t line_len;
- u64 start;
- s64 line_ip;
- int ret;
- char *c;
-
- if (getline(&line, &line_len, file) < 0)
- return -1;
- if (!line)
- return -1;
-
- c = strchr(line, '\n');
- if (c)
- *c = 0;
-
- line_ip = -1;
- offset = 0;
- ret = -2;
-
- /*
- * Strip leading spaces:
- */
- tmp = line;
- while (*tmp) {
- if (*tmp != ' ')
- break;
- tmp++;
- }
-
- if (*tmp) {
- /*
- * Parse hexa addresses followed by ':'
- */
- line_ip = strtoull(tmp, &tmp2, 16);
- if (*tmp2 != ':')
- line_ip = -1;
- }
- start = he->map->unmap_ip(he->map, sym->start);
-
- if (line_ip != -1) {
+ if (self->offset != -1) {
const char *path = NULL;
unsigned int hits = 0;
double percent = 0.0;
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);
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;
static void free_source_line(struct hist_entry *he, int len)
{
- struct sym_priv *priv = symbol__priv(he->sym);
+ struct sym_priv *priv = symbol__priv(he->ms.sym);
struct sym_ext *sym_ext = priv->ext;
int i;
static void
get_source_line(struct hist_entry *he, int len, const char *filename)
{
- struct symbol *sym = he->sym;
+ struct symbol *sym = he->ms.sym;
u64 start;
int i;
char cmd[PATH_MAX * 2];
if (!priv->ext)
return;
- start = he->map->unmap_ip(he->map, sym->start);
+ start = he->ms.map->unmap_ip(he->ms.map, sym->start);
for (i = 0; i < len; i++) {
char *path = NULL;
}
}
-static void annotate_sym(struct hist_entry *he)
+static void hist_entry__print_hits(struct hist_entry *self)
{
- struct map *map = he->map;
+ struct symbol *sym = self->ms.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 int hist_entry__tty_annotate(struct hist_entry *he)
+{
+ struct map *map = he->ms.map;
struct dso *dso = map->dso;
- struct symbol *sym = he->sym;
+ struct symbol *sym = he->ms.sym;
const char *filename = dso->long_name, *d_filename;
u64 len;
- char command[PATH_MAX*2];
- FILE *file;
-
- if (!filename)
- return;
+ LIST_HEAD(head);
+ struct objdump_line *pos, *n;
- if (verbose)
- fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n",
- __func__, filename, sym->name,
- map->unmap_ip(map, sym->start),
- map->unmap_ip(map, sym->end));
+ if (hist_entry__annotate(he, &head) < 0)
+ return -1;
if (full_paths)
d_filename = filename;
printf(" Percent | Source code & Disassembly of %s\n", d_filename);
printf("------------------------------------------------\n");
- if (verbose >= 2)
- printf("annotating [%p] %30s : [%p] %30s\n",
- dso, dso->long_name, sym, sym->name);
-
- sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
- map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end),
- filename, filename);
-
- if (verbose >= 3)
- printf("doing: %s\n", command);
-
- file = popen(command, "r");
- if (!file)
- return;
+ if (verbose)
+ hist_entry__print_hits(he);
- while (!feof(file)) {
- if (parse_line(file, he, len) < 0)
- break;
+ list_for_each_entry_safe(pos, n, &head, node) {
+ objdump_line__print(pos, &head, he, len);
+ list_del(&pos->node);
+ objdump_line__free(pos);
}
- pclose(file);
if (print_line)
free_source_line(he, len);
+
+ return 0;
}
-static void perf_session__find_annotations(struct perf_session *self)
+static void hists__find_annotations(struct hists *self)
{
- struct rb_node *nd;
+ struct rb_node *first = rb_first(&self->entries), *nd = first;
+ int key = KEY_RIGHT;
- for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
+ while (nd) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
struct sym_priv *priv;
- if (he->sym == NULL)
- continue;
+ if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned)
+ goto find_next;
- priv = symbol__priv(he->sym);
- if (priv->hist == NULL)
+ priv = symbol__priv(he->ms.sym);
+ if (priv->hist == NULL) {
+find_next:
+ if (key == KEY_LEFT)
+ nd = rb_prev(nd);
+ else
+ nd = rb_next(nd);
continue;
+ }
- annotate_sym(he);
- /*
- * Since we have a hist_entry per IP for the same symbol, free
- * he->sym->hist to signal we already processed this symbol.
- */
- free(priv->hist);
- priv->hist = NULL;
+ if (use_browser) {
+ key = hist_entry__tui_annotate(he);
+ if (is_exit_key(key))
+ break;
+ switch (key) {
+ case KEY_RIGHT:
+ case '\t':
+ nd = rb_next(nd);
+ break;
+ case KEY_LEFT:
+ if (nd == first)
+ continue;
+ nd = rb_prev(nd);
+ default:
+ break;
+ }
+ } else {
+ hist_entry__tty_annotate(he);
+ nd = rb_next(nd);
+ /*
+ * Since we have a hist_entry per IP for the same
+ * symbol, free he->ms.sym->hist to signal we already
+ * processed this symbol.
+ */
+ free(priv->hist);
+ priv->hist = NULL;
+ }
}
}
static struct perf_event_ops event_ops = {
- .process_sample_event = process_sample_event,
- .process_mmap_event = event__process_mmap,
- .process_comm_event = event__process_comm,
- .process_fork_event = event__process_task,
+ .sample = process_sample_event,
+ .mmap = event__process_mmap,
+ .comm = event__process_comm,
+ .fork = event__process_task,
};
static int __cmd_annotate(void)
{
- struct perf_session *session = perf_session__new(input_name, O_RDONLY,
- force, &symbol_conf);
int ret;
+ struct perf_session *session;
+ session = perf_session__new(input_name, O_RDONLY, force, false);
if (session == NULL)
return -ENOMEM;
goto out_delete;
if (dump_trace) {
- event__print_totals();
+ perf_session__fprintf_nr_events(session, stdout);
goto out_delete;
}
perf_session__fprintf(session, stdout);
if (verbose > 2)
- dsos__fprintf(stdout);
+ perf_session__fprintf_dsos(session, stdout);
- perf_session__collapse_resort(session);
- perf_session__output_resort(session, event__total[0]);
- perf_session__find_annotations(session);
+ hists__collapse_resort(&session->hists);
+ hists__output_resort(&session->hists);
+ hists__find_annotations(&session->hists);
out_delete:
perf_session__delete(session);
static const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
+ OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+ "only consider symbols in these dsos"),
OPT_STRING('s', "symbol", &sym_hist_filter, "symbol",
"symbol to annotate"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
- OPT_BOOLEAN('v', "verbose", &verbose,
+ OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
OPT_END()
};
-static void setup_sorting(void)
+int cmd_annotate(int argc, const char **argv, const char *prefix __used)
{
- char *tmp, *tok, *str = strdup(sort_order);
+ argc = parse_options(argc, argv, options, annotate_usage, 0);
- for (tok = strtok_r(str, ", ", &tmp);
- tok; tok = strtok_r(NULL, ", ", &tmp)) {
- if (sort_dimension__add(tok) < 0) {
- error("Unknown --sort key: `%s'", tok);
- usage_with_options(annotate_usage, options);
- }
- }
+ setup_browser();
- free(str);
-}
+ symbol_conf.priv_size = sizeof(struct sym_priv);
+ symbol_conf.try_vmlinux_path = true;
-int cmd_annotate(int argc, const char **argv, const char *prefix __used)
-{
- if (symbol__init(&symbol_conf) < 0)
+ if (symbol__init() < 0)
return -1;
- argc = parse_options(argc, argv, options, annotate_usage, 0);
-
- setup_sorting();
+ setup_sorting(annotate_usage, options);
if (argc) {
/*
sym_hist_filter = argv[0];
}
- setup_pager();
-
if (field_sep && *field_sep == '.') {
- fputs("'.' is the only non valid --field-separator argument\n",
- stderr);
- exit(129);
+ pr_err("'.' is the only non valid --field-separator argument\n");
+ return -1;
}
return __cmd_annotate();
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff