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Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c288
1 files changed, 178 insertions, 110 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 13889d73f8dd..5ac6dcc64cef 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -22,6 +22,7 @@
#include "util/annotate.h"
#include "util/bpf-event.h"
+#include "util/cgroup.h"
#include "util/config.h"
#include "util/color.h"
#include "util/dso.h"
@@ -86,8 +87,8 @@
#include <linux/ctype.h>
#include <perf/mmap.h>
-static volatile int done;
-static volatile int resize;
+static volatile sig_atomic_t done;
+static volatile sig_atomic_t resize;
#define HEADER_LINE_NR 5
@@ -113,6 +114,7 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
struct symbol *sym;
struct annotation *notes;
struct map *map;
+ struct dso *dso;
int err = -1;
if (!he || !he->ms.sym)
@@ -122,12 +124,12 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
sym = he->ms.sym;
map = he->ms.map;
+ dso = map__dso(map);
/*
* We can't annotate with just /proc/kallsyms
*/
- if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
- !dso__is_kcore(map->dso)) {
+ if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && !dso__is_kcore(dso)) {
pr_err("Can't annotate %s: No vmlinux file was found in the "
"path\n", sym->name);
sleep(1);
@@ -135,17 +137,17 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
}
notes = symbol__annotation(sym);
- pthread_mutex_lock(&notes->lock);
+ annotation__lock(notes);
if (!symbol__hists(sym, top->evlist->core.nr_entries)) {
- pthread_mutex_unlock(&notes->lock);
+ annotation__unlock(notes);
pr_err("Not enough memory for annotating '%s' symbol!\n",
sym->name);
sleep(1);
return err;
}
- err = symbol__annotate(&he->ms, evsel, &top->annotation_opts, NULL);
+ err = symbol__annotate(&he->ms, evsel, NULL);
if (err == 0) {
top->sym_filter_entry = he;
} else {
@@ -154,7 +156,7 @@ static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
pr_err("Couldn't annotate %s: %s\n", sym->name, msg);
}
- pthread_mutex_unlock(&notes->lock);
+ annotation__unlock(notes);
return err;
}
@@ -168,6 +170,7 @@ static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip)
{
struct utsname uts;
int err = uname(&uts);
+ struct dso *dso = map__dso(map);
ui__warning("Out of bounds address found:\n\n"
"Addr: %" PRIx64 "\n"
@@ -179,8 +182,8 @@ static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip)
"Tools: %s\n\n"
"Not all samples will be on the annotation output.\n\n"
"Please report to linux-kernel@vger.kernel.org\n",
- ip, map->dso->long_name, dso__symtab_origin(map->dso),
- map->start, map->end, sym->start, sym->end,
+ ip, dso->long_name, dso__symtab_origin(dso),
+ map__start(map), map__end(map), sym->start, sym->end,
sym->binding == STB_GLOBAL ? 'g' :
sym->binding == STB_LOCAL ? 'l' : 'w', sym->name,
err ? "[unknown]" : uts.machine,
@@ -188,13 +191,14 @@ static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip)
if (use_browser <= 0)
sleep(5);
- map->erange_warned = true;
+ map__set_erange_warned(map, true);
}
static void perf_top__record_precise_ip(struct perf_top *top,
struct hist_entry *he,
struct perf_sample *sample,
struct evsel *evsel, u64 ip)
+ EXCLUSIVE_LOCKS_REQUIRED(he->hists->lock)
{
struct annotation *notes;
struct symbol *sym = he->ms.sym;
@@ -207,21 +211,21 @@ static void perf_top__record_precise_ip(struct perf_top *top,
notes = symbol__annotation(sym);
- if (pthread_mutex_trylock(&notes->lock))
+ if (!annotation__trylock(notes))
return;
err = hist_entry__inc_addr_samples(he, sample, evsel, ip);
- pthread_mutex_unlock(&notes->lock);
+ annotation__unlock(notes);
if (unlikely(err)) {
/*
* This function is now called with he->hists->lock held.
* Release it before going to sleep.
*/
- pthread_mutex_unlock(&he->hists->lock);
+ mutex_unlock(&he->hists->lock);
- if (err == -ERANGE && !he->ms.map->erange_warned)
+ if (err == -ERANGE && !map__erange_warned(he->ms.map))
ui__warn_map_erange(he->ms.map, sym, ip);
else if (err == -ENOMEM) {
pr_err("Not enough memory for annotating '%s' symbol!\n",
@@ -229,7 +233,7 @@ static void perf_top__record_precise_ip(struct perf_top *top,
sleep(1);
}
- pthread_mutex_lock(&he->hists->lock);
+ mutex_lock(&he->hists->lock);
}
}
@@ -249,7 +253,7 @@ static void perf_top__show_details(struct perf_top *top)
symbol = he->ms.sym;
notes = symbol__annotation(symbol);
- pthread_mutex_lock(&notes->lock);
+ annotation__lock(notes);
symbol__calc_percent(symbol, evsel);
@@ -257,20 +261,20 @@ static void perf_top__show_details(struct perf_top *top)
goto out_unlock;
printf("Showing %s for %s\n", evsel__name(top->sym_evsel), symbol->name);
- printf(" Events Pcnt (>=%d%%)\n", top->annotation_opts.min_pcnt);
+ printf(" Events Pcnt (>=%d%%)\n", annotate_opts.min_pcnt);
- more = symbol__annotate_printf(&he->ms, top->sym_evsel, &top->annotation_opts);
+ more = symbol__annotate_printf(&he->ms, top->sym_evsel);
if (top->evlist->enabled) {
if (top->zero)
- symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx);
+ symbol__annotate_zero_histogram(symbol, top->sym_evsel->core.idx);
else
- symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx);
+ symbol__annotate_decay_histogram(symbol, top->sym_evsel->core.idx);
}
if (more != 0)
printf("%d lines not displayed, maybe increase display entries [e]\n", more);
out_unlock:
- pthread_mutex_unlock(&notes->lock);
+ annotation__unlock(notes);
}
static void perf_top__resort_hists(struct perf_top *t)
@@ -300,7 +304,7 @@ static void perf_top__resort_hists(struct perf_top *t)
/* Non-group events are considered as leader */
if (symbol_conf.event_group && !evsel__is_group_leader(pos)) {
- struct hists *leader_hists = evsel__hists(pos->leader);
+ struct hists *leader_hists = evsel__hists(evsel__leader(pos));
hists__match(leader_hists, hists);
hists__link(leader_hists, hists);
@@ -328,13 +332,13 @@ static void perf_top__print_sym_table(struct perf_top *top)
printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
if (!top->record_opts.overwrite &&
- (hists->stats.nr_lost_warned !=
- hists->stats.nr_events[PERF_RECORD_LOST])) {
- hists->stats.nr_lost_warned =
- hists->stats.nr_events[PERF_RECORD_LOST];
+ (top->evlist->stats.nr_lost_warned !=
+ top->evlist->stats.nr_events[PERF_RECORD_LOST])) {
+ top->evlist->stats.nr_lost_warned =
+ top->evlist->stats.nr_events[PERF_RECORD_LOST];
color_fprintf(stdout, PERF_COLOR_RED,
"WARNING: LOST %d chunks, Check IO/CPU overload",
- hists->stats.nr_lost_warned);
+ top->evlist->stats.nr_lost_warned);
++printed;
}
@@ -353,7 +357,7 @@ static void perf_top__print_sym_table(struct perf_top *top)
static void prompt_integer(int *target, const char *msg)
{
- char *buf = malloc(0), *p;
+ char *buf = NULL, *p;
size_t dummy = 0;
int tmp;
@@ -388,7 +392,7 @@ static void prompt_percent(int *target, const char *msg)
static void perf_top__prompt_symbol(struct perf_top *top, const char *msg)
{
- char *buf = malloc(0), *p;
+ char *buf = NULL, *p;
struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL;
struct hists *hists = evsel__hists(top->sym_evsel);
struct rb_node *next;
@@ -446,7 +450,7 @@ static void perf_top__print_mapped_keys(struct perf_top *top)
fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter);
- fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->annotation_opts.min_pcnt);
+ fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", annotate_opts.min_pcnt);
fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
fprintf(stdout, "\t[S] stop annotation.\n");
@@ -529,7 +533,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
fprintf(stderr, "\nAvailable events:");
evlist__for_each_entry(top->evlist, top->sym_evsel)
- fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, evsel__name(top->sym_evsel));
+ fprintf(stderr, "\n\t%d %s", top->sym_evsel->core.idx, evsel__name(top->sym_evsel));
prompt_integer(&counter, "Enter details event counter");
@@ -540,7 +544,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
break;
}
evlist__for_each_entry(top->evlist, top->sym_evsel)
- if (top->sym_evsel->idx == counter)
+ if (top->sym_evsel->core.idx == counter)
break;
} else
top->sym_evsel = evlist__first(top->evlist);
@@ -549,7 +553,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
prompt_integer(&top->count_filter, "Enter display event count filter");
break;
case 'F':
- prompt_percent(&top->annotation_opts.min_pcnt,
+ prompt_percent(&annotate_opts.min_pcnt,
"Enter details display event filter (percent)");
break;
case 'K':
@@ -641,12 +645,8 @@ repeat:
hists->uid_filter_str = top->record_opts.target.uid_str;
}
- ret = perf_evlist__tui_browse_hists(top->evlist, help, &hbt,
- top->min_percent,
- &top->session->header.env,
- !top->record_opts.overwrite,
- &top->annotation_opts);
-
+ ret = evlist__tui_browse_hists(top->evlist, help, &hbt, top->min_percent,
+ &top->session->header.env, !top->record_opts.overwrite);
if (ret == K_RELOAD) {
top->zero = true;
goto repeat;
@@ -708,7 +708,7 @@ repeat:
case -1:
if (errno == EINTR)
continue;
- __fallthrough;
+ fallthrough;
default:
c = getc(stdin);
tcsetattr(0, TCSAFLUSH, &save);
@@ -726,13 +726,13 @@ repeat:
static int hist_iter__top_callback(struct hist_entry_iter *iter,
struct addr_location *al, bool single,
void *arg)
+ EXCLUSIVE_LOCKS_REQUIRED(iter->he->hists->lock)
{
struct perf_top *top = arg;
- struct hist_entry *he = iter->he;
struct evsel *evsel = iter->evsel;
if (perf_hpp_list.sym && single)
- perf_top__record_precise_ip(top, he, iter->sample, evsel, al->addr);
+ perf_top__record_precise_ip(top, iter->he, iter->sample, evsel, al->addr);
hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
!(top->record_opts.branch_stack & PERF_SAMPLE_BRANCH_ANY),
@@ -748,7 +748,6 @@ static void perf_event__process_sample(struct perf_tool *tool,
{
struct perf_top *top = container_of(tool, struct perf_top, tool);
struct addr_location al;
- int err;
if (!machine && perf_guest) {
static struct intlist *seen;
@@ -773,16 +772,17 @@ static void perf_event__process_sample(struct perf_tool *tool,
if (event->header.misc & PERF_RECORD_MISC_EXACT_IP)
top->exact_samples++;
+ addr_location__init(&al);
if (machine__resolve(machine, &al, sample) < 0)
- return;
+ goto out;
if (top->stitch_lbr)
- al.thread->lbr_stitch_enable = true;
+ thread__set_lbr_stitch_enable(al.thread, true);
if (!machine->kptr_restrict_warned &&
symbol_conf.kptr_restrict &&
al.cpumode == PERF_RECORD_MISC_KERNEL) {
- if (!perf_evlist__exclude_kernel(top->session->evlist)) {
+ if (!evlist__exclude_kernel(top->session->evlist)) {
ui__warning(
"Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n"
"Check /proc/sys/kernel/kptr_restrict and /proc/sys/kernel/perf_event_paranoid.\n\n"
@@ -812,7 +812,8 @@ static void perf_event__process_sample(struct perf_tool *tool,
__map__is_kernel(al.map) && map__has_symbols(al.map)) {
if (symbol_conf.vmlinux_name) {
char serr[256];
- dso__strerror_load(al.map->dso, serr, sizeof(serr));
+
+ dso__strerror_load(map__dso(al.map), serr, sizeof(serr));
ui__warning("The %s file can't be used: %s\n%s",
symbol_conf.vmlinux_name, serr, msg);
} else {
@@ -839,27 +840,25 @@ static void perf_event__process_sample(struct perf_tool *tool,
else
iter.ops = &hist_iter_normal;
- pthread_mutex_lock(&hists->lock);
+ mutex_lock(&hists->lock);
- err = hist_entry_iter__add(&iter, &al, top->max_stack, top);
- if (err < 0)
+ if (hist_entry_iter__add(&iter, &al, top->max_stack, top) < 0)
pr_err("Problem incrementing symbol period, skipping event\n");
- pthread_mutex_unlock(&hists->lock);
+ mutex_unlock(&hists->lock);
}
- addr_location__put(&al);
+out:
+ addr_location__exit(&al);
}
static void
perf_top__process_lost(struct perf_top *top, union perf_event *event,
struct evsel *evsel)
{
- struct hists *hists = evsel__hists(evsel);
-
top->lost += event->lost.lost;
top->lost_total += event->lost.lost;
- hists->stats.total_lost += event->lost.lost;
+ evsel->evlist->stats.total_lost += event->lost.lost;
}
static void
@@ -867,11 +866,9 @@ perf_top__process_lost_samples(struct perf_top *top,
union perf_event *event,
struct evsel *evsel)
{
- struct hists *hists = evsel__hists(evsel);
-
top->lost += event->lost_samples.lost;
top->lost_total += event->lost_samples.lost;
- hists->stats.total_lost_samples += event->lost_samples.lost;
+ evsel->evlist->stats.total_lost_samples += event->lost_samples.lost;
}
static u64 last_timestamp;
@@ -890,21 +887,21 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
while ((event = perf_mmap__read_event(&md->core)) != NULL) {
int ret;
- ret = perf_evlist__parse_sample_timestamp(evlist, event, &last_timestamp);
+ ret = evlist__parse_sample_timestamp(evlist, event, &last_timestamp);
if (ret && ret != -1)
break;
- ret = ordered_events__queue(top->qe.in, event, last_timestamp, 0);
+ ret = ordered_events__queue(top->qe.in, event, last_timestamp, 0, NULL);
if (ret)
break;
perf_mmap__consume(&md->core);
if (top->qe.rotate) {
- pthread_mutex_lock(&top->qe.mutex);
+ mutex_lock(&top->qe.mutex);
top->qe.rotate = false;
- pthread_cond_signal(&top->qe.cond);
- pthread_mutex_unlock(&top->qe.mutex);
+ cond_signal(&top->qe.cond);
+ mutex_unlock(&top->qe.mutex);
}
}
@@ -918,14 +915,14 @@ static void perf_top__mmap_read(struct perf_top *top)
int i;
if (overwrite)
- perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_DATA_PENDING);
+ evlist__toggle_bkw_mmap(evlist, BKW_MMAP_DATA_PENDING);
for (i = 0; i < top->evlist->core.nr_mmaps; i++)
perf_top__mmap_read_idx(top, i);
if (overwrite) {
- perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
- perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_RUNNING);
+ evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
+ evlist__toggle_bkw_mmap(evlist, BKW_MMAP_RUNNING);
}
}
@@ -1025,12 +1022,12 @@ static int perf_top__start_counters(struct perf_top *top)
goto out_err;
}
- perf_evlist__config(evlist, opts, &callchain_param);
+ evlist__config(evlist, opts, &callchain_param);
evlist__for_each_entry(evlist, counter) {
try_again:
- if (evsel__open(counter, top->evlist->core.cpus,
- top->evlist->core.threads) < 0) {
+ if (evsel__open(counter, counter->core.cpus,
+ counter->core.threads) < 0) {
/*
* Specially handle overwrite fall back.
@@ -1046,7 +1043,7 @@ try_again:
perf_top_overwrite_fallback(top, counter))
goto try_again;
- if (evsel__fallback(counter, errno, msg, sizeof(msg))) {
+ if (evsel__fallback(counter, &opts->target, errno, msg, sizeof(msg))) {
if (verbose > 0)
ui__warning("%s\n", msg);
goto try_again;
@@ -1108,10 +1105,10 @@ static void *process_thread(void *arg)
out = rotate_queues(top);
- pthread_mutex_lock(&top->qe.mutex);
+ mutex_lock(&top->qe.mutex);
top->qe.rotate = true;
- pthread_cond_wait(&top->qe.cond, &top->qe.mutex);
- pthread_mutex_unlock(&top->qe.mutex);
+ cond_wait(&top->qe.cond, &top->qe.mutex);
+ mutex_unlock(&top->qe.mutex);
if (ordered_events__flush(out, OE_FLUSH__TOP))
pr_err("failed to process events\n");
@@ -1153,13 +1150,13 @@ static int deliver_event(struct ordered_events *qe,
return 0;
}
- ret = perf_evlist__parse_sample(evlist, event, &sample);
+ ret = evlist__parse_sample(evlist, event, &sample);
if (ret) {
pr_err("Can't parse sample, err = %d\n", ret);
goto next_event;
}
- evsel = perf_evlist__id2evsel(session->evlist, sample.id);
+ evsel = evlist__id2evsel(session->evlist, sample.id);
assert(evsel != NULL);
if (event->header.type == PERF_RECORD_SAMPLE) {
@@ -1208,7 +1205,7 @@ static int deliver_event(struct ordered_events *qe,
} else if (event->header.type == PERF_RECORD_LOST_SAMPLES) {
perf_top__process_lost_samples(top, event, evsel);
} else if (event->header.type < PERF_RECORD_MAX) {
- hists__inc_nr_events(evsel__hists(evsel), event->header.type);
+ events_stats__inc(&session->evlist->stats, event->header.type);
machine__process_event(machine, event, &sample);
} else
++session->evlist->stats.nr_unknown_events;
@@ -1225,8 +1222,16 @@ static void init_process_thread(struct perf_top *top)
ordered_events__set_copy_on_queue(&top->qe.data[0], true);
ordered_events__set_copy_on_queue(&top->qe.data[1], true);
top->qe.in = &top->qe.data[0];
- pthread_mutex_init(&top->qe.mutex, NULL);
- pthread_cond_init(&top->qe.cond, NULL);
+ mutex_init(&top->qe.mutex);
+ cond_init(&top->qe.cond);
+}
+
+static void exit_process_thread(struct perf_top *top)
+{
+ ordered_events__free(&top->qe.data[0]);
+ ordered_events__free(&top->qe.data[1]);
+ mutex_destroy(&top->qe.mutex);
+ cond_destroy(&top->qe.cond);
}
static int __cmd_top(struct perf_top *top)
@@ -1235,9 +1240,9 @@ static int __cmd_top(struct perf_top *top)
pthread_t thread, thread_process;
int ret;
- if (!top->annotation_opts.objdump_path) {
+ if (!annotate_opts.objdump_path) {
ret = perf_env__lookup_objdump(&top->session->header.env,
- &top->annotation_opts.objdump_path);
+ &annotate_opts.objdump_path);
if (ret)
return ret;
}
@@ -1277,11 +1282,10 @@ static int __cmd_top(struct perf_top *top)
pr_debug("Couldn't synthesize cgroup events.\n");
machine__synthesize_threads(&top->session->machines.host, &opts->target,
- top->evlist->core.threads, false,
+ top->evlist->core.threads, true, false,
top->nr_threads_synthesize);
- if (top->nr_threads_synthesize > 1)
- perf_set_singlethreaded();
+ perf_set_multithreaded();
if (perf_hpp_list.socket) {
ret = perf_env__read_cpu_topology_map(&perf_env);
@@ -1294,6 +1298,7 @@ static int __cmd_top(struct perf_top *top)
}
}
+ evlist__uniquify_name(top->evlist);
ret = perf_top__start_counters(top);
if (ret)
return ret;
@@ -1357,8 +1362,10 @@ static int __cmd_top(struct perf_top *top)
out_join:
pthread_join(thread, NULL);
out_join_thread:
- pthread_cond_signal(&top->qe.cond);
+ cond_signal(&top->qe.cond);
pthread_join(thread_process, NULL);
+ perf_set_singlethreaded();
+ exit_process_thread(top);
return ret;
}
@@ -1442,13 +1449,17 @@ int cmd_top(int argc, const char **argv)
.sample_time_set = true,
},
.max_stack = sysctl__max_stack(),
- .annotation_opts = annotation__default_options,
.nr_threads_synthesize = UINT_MAX,
};
+ struct parse_events_option_args parse_events_option_args = {
+ .evlistp = &top.evlist,
+ };
+ bool branch_call_mode = false;
struct record_opts *opts = &top.record_opts;
struct target *target = &opts->target;
+ const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;
const struct option options[] = {
- OPT_CALLBACK('e', "event", &top.evlist, "event",
+ OPT_CALLBACK('e', "event", &parse_events_option_args, "event",
"event selector. use 'perf list' to list available events",
parse_events_option),
OPT_U64('c', "count", &opts->user_interval, "event period to sample"),
@@ -1469,8 +1480,7 @@ int cmd_top(int argc, const char **argv)
OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols,
"hide kernel symbols"),
OPT_CALLBACK('m', "mmap-pages", &opts->mmap_pages, "pages",
- "number of mmap data pages",
- perf_evlist__parse_mmap_pages),
+ "number of mmap data pages", evlist__parse_mmap_pages),
OPT_INTEGER('r', "realtime", &top.realtime_prio,
"collect data with this RT SCHED_FIFO priority"),
OPT_INTEGER('d', "delay", &top.delay_secs,
@@ -1479,8 +1489,6 @@ int cmd_top(int argc, const char **argv)
"dump the symbol table used for profiling"),
OPT_INTEGER('f', "count-filter", &top.count_filter,
"only display functions with more events than this"),
- OPT_BOOLEAN(0, "group", &opts->group,
- "put the counters into a counter group"),
OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit,
"child tasks do not inherit counters"),
OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name",
@@ -1493,7 +1501,9 @@ int cmd_top(int argc, const char **argv)
"display this many functions"),
OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols,
"hide user symbols"),
+#ifdef HAVE_SLANG_SUPPORT
OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"),
+#endif
OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
@@ -1526,20 +1536,22 @@ int cmd_top(int argc, const char **argv)
"only consider symbols in these comms"),
OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
- OPT_BOOLEAN(0, "source", &top.annotation_opts.annotate_src,
+ OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,
"Interleave source code with assembly code (default)"),
- OPT_BOOLEAN(0, "asm-raw", &top.annotation_opts.show_asm_raw,
+ OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_asm_raw,
"Display raw encoding of assembly instructions (default)"),
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
"Enable kernel symbol demangling"),
OPT_BOOLEAN(0, "no-bpf-event", &top.record_opts.no_bpf_event, "do not record bpf events"),
- OPT_STRING(0, "objdump", &top.annotation_opts.objdump_path, "path",
+ OPT_STRING(0, "objdump", &objdump_path, "path",
"objdump binary to use for disassembly and annotations"),
- OPT_STRING('M', "disassembler-style", &top.annotation_opts.disassembler_style, "disassembler style",
+ OPT_STRING(0, "addr2line", &addr2line_path, "path",
+ "addr2line binary to use for line numbers"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
- OPT_STRING(0, "prefix", &top.annotation_opts.prefix, "prefix",
+ OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix",
"Add prefix to source file path names in programs (with --prefix-strip)"),
- OPT_STRING(0, "prefix-strip", &top.annotation_opts.prefix_strip, "N",
+ OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N",
"Strip first N entries of source file path name in programs (with --prefix)"),
OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"),
OPT_CALLBACK(0, "percent-limit", &top, "percent",
@@ -1557,15 +1569,19 @@ int cmd_top(int argc, const char **argv)
OPT_CALLBACK('j', "branch-filter", &opts->branch_stack,
"branch filter mask", "branch stack filter modes",
parse_branch_stack),
+ OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
+ "add last branch records to call history"),
OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
"Show raw trace event output (do not use print fmt or plugins)"),
- OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
+ OPT_BOOLEAN('H', "hierarchy", &symbol_conf.report_hierarchy,
"Show entries in a hierarchy"),
OPT_BOOLEAN(0, "overwrite", &top.record_opts.overwrite,
"Use a backward ring buffer, default: no"),
OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"),
OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,
"number of thread to run event synthesize"),
+ OPT_CALLBACK('G', "cgroup", &top.evlist, "name",
+ "monitor event in cgroup name only", parse_cgroups),
OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces,
"Record namespaces events"),
OPT_BOOLEAN(0, "all-cgroups", &opts->record_cgroup,
@@ -1593,8 +1609,10 @@ int cmd_top(int argc, const char **argv)
if (status < 0)
return status;
- top.annotation_opts.min_pcnt = 5;
- top.annotation_opts.context = 4;
+ annotation_options__init();
+
+ annotate_opts.min_pcnt = 5;
+ annotate_opts.context = 4;
top.evlist = evlist__new();
if (top.evlist == NULL)
@@ -1611,7 +1629,7 @@ int cmd_top(int argc, const char **argv)
if (status) {
/*
* Some arches do not provide a get_cpuid(), so just use pr_debug, otherwise
- * warn the user explicitely.
+ * warn the user explicitly.
*/
eprintf(status == ENOSYS ? 1 : 0, verbose,
"Couldn't read the cpuid for this machine: %s\n",
@@ -1623,13 +1641,35 @@ int cmd_top(int argc, const char **argv)
if (argc)
usage_with_options(top_usage, options);
- if (annotate_check_args(&top.annotation_opts) < 0)
+ if (disassembler_style) {
+ annotate_opts.disassembler_style = strdup(disassembler_style);
+ if (!annotate_opts.disassembler_style)
+ return -ENOMEM;
+ }
+ if (objdump_path) {
+ annotate_opts.objdump_path = strdup(objdump_path);
+ if (!annotate_opts.objdump_path)
+ return -ENOMEM;
+ }
+ if (addr2line_path) {
+ symbol_conf.addr2line_path = strdup(addr2line_path);
+ if (!symbol_conf.addr2line_path)
+ return -ENOMEM;
+ }
+
+ status = symbol__validate_sym_arguments();
+ if (status)
goto out_delete_evlist;
- if (!top.evlist->core.nr_entries &&
- perf_evlist__add_default(top.evlist) < 0) {
- pr_err("Not enough memory for event selector list\n");
+ if (annotate_check_args() < 0)
goto out_delete_evlist;
+
+ if (!top.evlist->core.nr_entries) {
+ bool can_profile_kernel = perf_event_paranoid_check(1);
+ int err = parse_event(top.evlist, can_profile_kernel ? "cycles:P" : "cycles:Pu");
+
+ if (err)
+ goto out_delete_evlist;
}
status = evswitch__init(&top.evswitch, top.evlist, stderr);
@@ -1654,6 +1694,25 @@ int cmd_top(int argc, const char **argv)
goto out_delete_evlist;
}
+ if (nr_cgroups > 0 && opts->record_cgroup) {
+ pr_err("--cgroup and --all-cgroups cannot be used together\n");
+ goto out_delete_evlist;
+ }
+
+ if (branch_call_mode) {
+ if (!opts->branch_stack)
+ opts->branch_stack = PERF_SAMPLE_BRANCH_ANY;
+ symbol_conf.use_callchain = true;
+ callchain_param.key = CCKEY_ADDRESS;
+ callchain_param.branch_callstack = true;
+ callchain_param.enabled = true;
+ if (callchain_param.record_mode == CALLCHAIN_NONE)
+ callchain_param.record_mode = CALLCHAIN_FP;
+ callchain_register_param(&callchain_param);
+ if (!sort_order)
+ sort_order = "srcline,symbol,dso";
+ }
+
if (opts->branch_stack && callchain_param.enabled)
symbol_conf.show_branchflag_count = true;
@@ -1663,8 +1722,10 @@ int cmd_top(int argc, const char **argv)
if (top.use_stdio)
use_browser = 0;
+#ifdef HAVE_SLANG_SUPPORT
else if (top.use_tui)
use_browser = 1;
+#endif
setup_browser(false);
@@ -1697,9 +1758,10 @@ int cmd_top(int argc, const char **argv)
if (target__none(target))
target->system_wide = true;
- if (perf_evlist__create_maps(top.evlist, target) < 0) {
+ if (evlist__create_maps(top.evlist, target) < 0) {
ui__error("Couldn't create thread/CPU maps: %s\n",
errno == ENOENT ? "No such process" : str_error_r(errno, errbuf, sizeof(errbuf)));
+ status = -errno;
goto out_delete_evlist;
}
@@ -1725,7 +1787,7 @@ int cmd_top(int argc, const char **argv)
if (status < 0)
goto out_delete_evlist;
- annotation_config__init(&top.annotation_opts);
+ annotation_config__init();
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
status = symbol__init(NULL);
@@ -1740,27 +1802,32 @@ int cmd_top(int argc, const char **argv)
signal(SIGWINCH, winch_sig);
}
- top.session = perf_session__new(NULL, false, NULL);
+ top.session = perf_session__new(NULL, NULL);
if (IS_ERR(top.session)) {
status = PTR_ERR(top.session);
+ top.session = NULL;
goto out_delete_evlist;
}
+#ifdef HAVE_LIBBPF_SUPPORT
if (!top.record_opts.no_bpf_event) {
top.sb_evlist = evlist__new();
if (top.sb_evlist == NULL) {
pr_err("Couldn't create side band evlist.\n.");
+ status = -EINVAL;
goto out_delete_evlist;
}
if (evlist__add_bpf_sb_event(top.sb_evlist, &perf_env)) {
pr_err("Couldn't ask for PERF_RECORD_BPF_EVENT side band events.\n.");
+ status = -EINVAL;
goto out_delete_evlist;
}
}
+#endif
- if (perf_evlist__start_sb_thread(top.sb_evlist, target)) {
+ if (evlist__start_sb_thread(top.sb_evlist, target)) {
pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n");
opts->no_bpf_event = true;
}
@@ -1768,11 +1835,12 @@ int cmd_top(int argc, const char **argv)
status = __cmd_top(&top);
if (!opts->no_bpf_event)
- perf_evlist__stop_sb_thread(top.sb_evlist);
+ evlist__stop_sb_thread(top.sb_evlist);
out_delete_evlist:
evlist__delete(top.evlist);
perf_session__delete(top.session);
+ annotation_options__exit();
return status;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.