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-rw-r--r--tools/perf/builtin-top.c495
1 files changed, 306 insertions, 189 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index d28013b7d61c..7a871714d44e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -5,6 +5,7 @@
* any workload, CPU or specific PID.
*
* Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
+ * 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Improvements and fixes by:
*
@@ -36,6 +37,7 @@
#include "util/parse-events.h"
#include "util/cpumap.h"
#include "util/xyarray.h"
+#include "util/sort.h"
#include "util/debug.h"
@@ -65,12 +67,8 @@
static struct perf_top top = {
.count_filter = 5,
.delay_secs = 2,
- .display_weighted = -1,
.target_pid = -1,
.target_tid = -1,
- .active_symbols = LIST_HEAD_INIT(top.active_symbols),
- .active_symbols_lock = PTHREAD_MUTEX_INITIALIZER,
- .active_symbols_cond = PTHREAD_COND_INITIALIZER,
.freq = 1000, /* 1 KHz */
};
@@ -78,6 +76,12 @@ static bool system_wide = false;
static bool use_tui, use_stdio;
+static bool sort_has_symbols;
+
+static bool dont_use_callchains;
+static char callchain_default_opt[] = "fractal,0.5,callee";
+
+
static int default_interval = 0;
static bool kptr_restrict_warned;
@@ -85,7 +89,6 @@ static bool vmlinux_warned;
static bool inherit = false;
static int realtime_prio = 0;
static bool group = false;
-static unsigned int page_size;
static unsigned int mmap_pages = 128;
static bool dump_symtab = false;
@@ -93,7 +96,6 @@ static bool dump_symtab = false;
static struct winsize winsize;
static const char *sym_filter = NULL;
-struct sym_entry *sym_filter_entry_sched = NULL;
static int sym_pcnt_filter = 5;
/*
@@ -136,18 +138,18 @@ static void sig_winch_handler(int sig __used)
update_print_entries(&winsize);
}
-static int parse_source(struct sym_entry *syme)
+static int parse_source(struct hist_entry *he)
{
struct symbol *sym;
struct annotation *notes;
struct map *map;
int err = -1;
- if (!syme)
+ if (!he || !he->ms.sym)
return -1;
- sym = sym_entry__symbol(syme);
- map = syme->map;
+ sym = he->ms.sym;
+ map = he->ms.map;
/*
* We can't annotate with just /proc/kallsyms
@@ -175,53 +177,62 @@ static int parse_source(struct sym_entry *syme)
return err;
}
- err = symbol__annotate(sym, syme->map, 0);
+ err = symbol__annotate(sym, map, 0);
if (err == 0) {
out_assign:
- top.sym_filter_entry = syme;
+ top.sym_filter_entry = he;
}
pthread_mutex_unlock(&notes->lock);
return err;
}
-static void __zero_source_counters(struct sym_entry *syme)
+static void __zero_source_counters(struct hist_entry *he)
{
- struct symbol *sym = sym_entry__symbol(syme);
+ struct symbol *sym = he->ms.sym;
symbol__annotate_zero_histograms(sym);
}
-static void record_precise_ip(struct sym_entry *syme, struct map *map,
- int counter, u64 ip)
+static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
{
struct annotation *notes;
struct symbol *sym;
- if (syme != top.sym_filter_entry)
+ if (he == NULL || he->ms.sym == NULL ||
+ (he != top.sym_filter_entry && use_browser != 1))
return;
- sym = sym_entry__symbol(syme);
+ sym = he->ms.sym;
notes = symbol__annotation(sym);
if (pthread_mutex_trylock(&notes->lock))
return;
- ip = map->map_ip(map, ip);
- symbol__inc_addr_samples(sym, map, counter, ip);
+ if (notes->src == NULL &&
+ symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
+ pthread_mutex_unlock(&notes->lock);
+ pr_err("Not enough memory for annotating '%s' symbol!\n",
+ sym->name);
+ sleep(1);
+ return;
+ }
+
+ ip = he->ms.map->map_ip(he->ms.map, ip);
+ symbol__inc_addr_samples(sym, he->ms.map, counter, ip);
pthread_mutex_unlock(&notes->lock);
}
-static void show_details(struct sym_entry *syme)
+static void show_details(struct hist_entry *he)
{
struct annotation *notes;
struct symbol *symbol;
int more;
- if (!syme)
+ if (!he)
return;
- symbol = sym_entry__symbol(syme);
+ symbol = he->ms.sym;
notes = symbol__annotation(symbol);
pthread_mutex_lock(&notes->lock);
@@ -232,7 +243,7 @@ static void show_details(struct sym_entry *syme)
printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name);
printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter);
- more = symbol__annotate_printf(symbol, syme->map, top.sym_evsel->idx,
+ more = symbol__annotate_printf(symbol, he->ms.map, top.sym_evsel->idx,
0, sym_pcnt_filter, top.print_entries, 4);
if (top.zero)
symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx);
@@ -246,21 +257,28 @@ out_unlock:
static const char CONSOLE_CLEAR[] = "";
-static void __list_insert_active_sym(struct sym_entry *syme)
+static struct hist_entry *
+ perf_session__add_hist_entry(struct perf_session *session,
+ struct addr_location *al,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel)
{
- list_add(&syme->node, &top.active_symbols);
+ struct hist_entry *he;
+
+ he = __hists__add_entry(&evsel->hists, al, NULL, sample->period);
+ if (he == NULL)
+ return NULL;
+
+ session->hists.stats.total_period += sample->period;
+ hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+ return he;
}
-static void print_sym_table(struct perf_session *session)
+static void print_sym_table(void)
{
char bf[160];
int printed = 0;
- struct rb_node *nd;
- struct sym_entry *syme;
- struct rb_root tmp = RB_ROOT;
const int win_width = winsize.ws_col - 1;
- int sym_width, dso_width, dso_short_width;
- float sum_ksamples = perf_top__decay_samples(&top, &tmp);
puts(CONSOLE_CLEAR);
@@ -271,10 +289,12 @@ static void print_sym_table(struct perf_session *session)
printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
- if (session->hists.stats.total_lost != 0) {
+ if (top.total_lost_warned != top.session->hists.stats.total_lost) {
+ top.total_lost_warned = top.session->hists.stats.total_lost;
color_fprintf(stdout, PERF_COLOR_RED, "WARNING:");
printf(" LOST %" PRIu64 " events, Check IO/CPU overload\n",
- session->hists.stats.total_lost);
+ top.total_lost_warned);
+ ++printed;
}
if (top.sym_filter_entry) {
@@ -282,58 +302,15 @@ static void print_sym_table(struct perf_session *session)
return;
}
- perf_top__find_widths(&top, &tmp, &dso_width, &dso_short_width,
- &sym_width);
-
- if (sym_width + dso_width > winsize.ws_col - 29) {
- dso_width = dso_short_width;
- if (sym_width + dso_width > winsize.ws_col - 29)
- sym_width = winsize.ws_col - dso_width - 29;
- }
+ hists__collapse_resort_threaded(&top.sym_evsel->hists);
+ hists__output_resort_threaded(&top.sym_evsel->hists);
+ hists__decay_entries_threaded(&top.sym_evsel->hists,
+ top.hide_user_symbols,
+ top.hide_kernel_symbols);
+ hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3);
putchar('\n');
- if (top.evlist->nr_entries == 1)
- printf(" samples pcnt");
- else
- printf(" weight samples pcnt");
-
- if (verbose)
- printf(" RIP ");
- printf(" %-*.*s DSO\n", sym_width, sym_width, "function");
- printf(" %s _______ _____",
- top.evlist->nr_entries == 1 ? " " : "______");
- if (verbose)
- printf(" ________________");
- printf(" %-*.*s", sym_width, sym_width, graph_line);
- printf(" %-*.*s", dso_width, dso_width, graph_line);
- puts("\n");
-
- for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
- struct symbol *sym;
- double pcnt;
-
- syme = rb_entry(nd, struct sym_entry, rb_node);
- sym = sym_entry__symbol(syme);
- if (++printed > top.print_entries ||
- (int)syme->snap_count < top.count_filter)
- continue;
-
- pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) /
- sum_ksamples));
-
- if (top.evlist->nr_entries == 1 || !top.display_weighted)
- printf("%20.2f ", syme->weight);
- else
- printf("%9.1f %10ld ", syme->weight, syme->snap_count);
-
- percent_color_fprintf(stdout, "%4.1f%%", pcnt);
- if (verbose)
- printf(" %016" PRIx64, sym->start);
- printf(" %-*.*s", sym_width, sym_width, sym->name);
- printf(" %-*.*s\n", dso_width, dso_width,
- dso_width >= syme->map->dso->long_name_len ?
- syme->map->dso->long_name :
- syme->map->dso->short_name);
- }
+ hists__fprintf(&top.sym_evsel->hists, NULL, false, false,
+ winsize.ws_row - 4 - printed, win_width, stdout);
}
static void prompt_integer(int *target, const char *msg)
@@ -371,10 +348,11 @@ static void prompt_percent(int *target, const char *msg)
*target = tmp;
}
-static void prompt_symbol(struct sym_entry **target, const char *msg)
+static void prompt_symbol(struct hist_entry **target, const char *msg)
{
char *buf = malloc(0), *p;
- struct sym_entry *syme = *target, *n, *found = NULL;
+ struct hist_entry *syme = *target, *n, *found = NULL;
+ struct rb_node *next;
size_t dummy = 0;
/* zero counters of active symbol */
@@ -391,17 +369,14 @@ static void prompt_symbol(struct sym_entry **target, const char *msg)
if (p)
*p = 0;
- pthread_mutex_lock(&top.active_symbols_lock);
- syme = list_entry(top.active_symbols.next, struct sym_entry, node);
- pthread_mutex_unlock(&top.active_symbols_lock);
-
- list_for_each_entry_safe_from(syme, n, &top.active_symbols, node) {
- struct symbol *sym = sym_entry__symbol(syme);
-
- if (!strcmp(buf, sym->name)) {
- found = syme;
+ next = rb_first(&top.sym_evsel->hists.entries);
+ while (next) {
+ n = rb_entry(next, struct hist_entry, rb_node);
+ if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
+ found = n;
break;
}
+ next = rb_next(&n->rb_node);
}
if (!found) {
@@ -420,7 +395,7 @@ static void print_mapped_keys(void)
char *name = NULL;
if (top.sym_filter_entry) {
- struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
+ struct symbol *sym = top.sym_filter_entry->ms.sym;
name = sym->name;
}
@@ -437,9 +412,6 @@ static void print_mapped_keys(void)
fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
fprintf(stdout, "\t[S] stop annotation.\n");
- if (top.evlist->nr_entries > 1)
- fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", top.display_weighted ? 1 : 0);
-
fprintf(stdout,
"\t[K] hide kernel_symbols symbols. \t(%s)\n",
top.hide_kernel_symbols ? "yes" : "no");
@@ -466,7 +438,6 @@ static int key_mapped(int c)
case 'S':
return 1;
case 'E':
- case 'w':
return top.evlist->nr_entries > 1 ? 1 : 0;
default:
break;
@@ -475,7 +446,7 @@ static int key_mapped(int c)
return 0;
}
-static void handle_keypress(struct perf_session *session, int c)
+static void handle_keypress(int c)
{
if (!key_mapped(c)) {
struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
@@ -551,7 +522,7 @@ static void handle_keypress(struct perf_session *session, int c)
case 'Q':
printf("exiting.\n");
if (dump_symtab)
- perf_session__fprintf_dsos(session, stderr);
+ perf_session__fprintf_dsos(top.session, stderr);
exit(0);
case 's':
prompt_symbol(&top.sym_filter_entry, "Enter details symbol");
@@ -560,7 +531,7 @@ static void handle_keypress(struct perf_session *session, int c)
if (!top.sym_filter_entry)
break;
else {
- struct sym_entry *syme = top.sym_filter_entry;
+ struct hist_entry *syme = top.sym_filter_entry;
top.sym_filter_entry = NULL;
__zero_source_counters(syme);
@@ -569,9 +540,6 @@ static void handle_keypress(struct perf_session *session, int c)
case 'U':
top.hide_user_symbols = !top.hide_user_symbols;
break;
- case 'w':
- top.display_weighted = ~top.display_weighted;
- break;
case 'z':
top.zero = !top.zero;
break;
@@ -580,19 +548,31 @@ static void handle_keypress(struct perf_session *session, int c)
}
}
+static void perf_top__sort_new_samples(void *arg)
+{
+ struct perf_top *t = arg;
+ perf_top__reset_sample_counters(t);
+
+ if (t->evlist->selected != NULL)
+ t->sym_evsel = t->evlist->selected;
+
+ hists__collapse_resort_threaded(&t->sym_evsel->hists);
+ hists__output_resort_threaded(&t->sym_evsel->hists);
+ hists__decay_entries_threaded(&t->sym_evsel->hists,
+ top.hide_user_symbols,
+ top.hide_kernel_symbols);
+ hists__output_recalc_col_len(&t->sym_evsel->hists, winsize.ws_row - 3);
+}
+
static void *display_thread_tui(void *arg __used)
{
- int err = 0;
- pthread_mutex_lock(&top.active_symbols_lock);
- while (list_empty(&top.active_symbols)) {
- err = pthread_cond_wait(&top.active_symbols_cond,
- &top.active_symbols_lock);
- if (err)
- break;
- }
- pthread_mutex_unlock(&top.active_symbols_lock);
- if (!err)
- perf_top__tui_browser(&top);
+ const char *help = "For a higher level overview, try: perf top --sort comm,dso";
+
+ perf_top__sort_new_samples(&top);
+ perf_evlist__tui_browse_hists(top.evlist, help,
+ perf_top__sort_new_samples,
+ &top, top.delay_secs);
+
exit_browser(0);
exit(0);
return NULL;
@@ -603,7 +583,6 @@ static void *display_thread(void *arg __used)
struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
struct termios tc, save;
int delay_msecs, c;
- struct perf_session *session = (struct perf_session *) arg;
tcgetattr(0, &save);
tc = save;
@@ -611,20 +590,35 @@ static void *display_thread(void *arg __used)
tc.c_cc[VMIN] = 0;
tc.c_cc[VTIME] = 0;
+ pthread__unblock_sigwinch();
repeat:
delay_msecs = top.delay_secs * 1000;
tcsetattr(0, TCSANOW, &tc);
/* trash return*/
getc(stdin);
- do {
- print_sym_table(session);
- } while (!poll(&stdin_poll, 1, delay_msecs) == 1);
-
+ while (1) {
+ print_sym_table();
+ /*
+ * Either timeout expired or we got an EINTR due to SIGWINCH,
+ * refresh screen in both cases.
+ */
+ switch (poll(&stdin_poll, 1, delay_msecs)) {
+ case 0:
+ continue;
+ case -1:
+ if (errno == EINTR)
+ continue;
+ /* Fall trhu */
+ default:
+ goto process_hotkey;
+ }
+ }
+process_hotkey:
c = getc(stdin);
tcsetattr(0, TCSAFLUSH, &save);
- handle_keypress(session, c);
+ handle_keypress(c);
goto repeat;
return NULL;
@@ -645,9 +639,8 @@ static const char *skip_symbols[] = {
NULL
};
-static int symbol_filter(struct map *map, struct symbol *sym)
+static int symbol_filter(struct map *map __used, struct symbol *sym)
{
- struct sym_entry *syme;
const char *name = sym->name;
int i;
@@ -667,16 +660,6 @@ static int symbol_filter(struct map *map, struct symbol *sym)
strstr(name, "_text_end"))
return 1;
- syme = symbol__priv(sym);
- syme->map = map;
- symbol__annotate_init(map, sym);
-
- if (!top.sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) {
- /* schedule initial sym_filter_entry setup */
- sym_filter_entry_sched = syme;
- sym_filter = NULL;
- }
-
for (i = 0; skip_symbols[i]; i++) {
if (!strcmp(skip_symbols[i], name)) {
sym->ignore = true;
@@ -691,10 +674,11 @@ static void perf_event__process_sample(const union perf_event *event,
struct perf_sample *sample,
struct perf_session *session)
{
+ struct symbol *parent = NULL;
u64 ip = event->ip.ip;
- struct sym_entry *syme;
struct addr_location al;
struct machine *machine;
+ int err;
u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
++top.samples;
@@ -783,46 +767,41 @@ static void perf_event__process_sample(const union perf_event *event,
sleep(5);
vmlinux_warned = true;
}
-
- return;
- }
-
- /* let's see, whether we need to install initial sym_filter_entry */
- if (sym_filter_entry_sched) {
- top.sym_filter_entry = sym_filter_entry_sched;
- sym_filter_entry_sched = NULL;
- if (parse_source(top.sym_filter_entry) < 0) {
- struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
-
- pr_err("Can't annotate %s", sym->name);
- if (top.sym_filter_entry->map->dso->symtab_type == SYMTAB__KALLSYMS) {
- pr_err(": No vmlinux file was found in the path:\n");
- machine__fprintf_vmlinux_path(machine, stderr);
- } else
- pr_err(".\n");
- exit(1);
- }
}
- syme = symbol__priv(al.sym);
- if (!al.sym->ignore) {
+ if (al.sym == NULL || !al.sym->ignore) {
struct perf_evsel *evsel;
+ struct hist_entry *he;
evsel = perf_evlist__id2evsel(top.evlist, sample->id);
assert(evsel != NULL);
- syme->count[evsel->idx]++;
- record_precise_ip(syme, al.map, evsel->idx, ip);
- pthread_mutex_lock(&top.active_symbols_lock);
- if (list_empty(&syme->node) || !syme->node.next) {
- static bool first = true;
- __list_insert_active_sym(syme);
- if (first) {
- pthread_cond_broadcast(&top.active_symbols_cond);
- first = false;
- }
+
+ if ((sort__has_parent || symbol_conf.use_callchain) &&
+ sample->callchain) {
+ err = perf_session__resolve_callchain(session, al.thread,
+ sample->callchain, &parent);
+ if (err)
+ return;
}
- pthread_mutex_unlock(&top.active_symbols_lock);
+
+ he = perf_session__add_hist_entry(session, &al, sample, evsel);
+ if (he == NULL) {
+ pr_err("Problem incrementing symbol period, skipping event\n");
+ return;
+ }
+
+ if (symbol_conf.use_callchain) {
+ err = callchain_append(he->callchain, &session->callchain_cursor,
+ sample->period);
+ if (err)
+ return;
+ }
+
+ if (sort_has_symbols)
+ record_precise_ip(he, evsel->idx, ip);
}
+
+ return;
}
static void perf_session__mmap_read_idx(struct perf_session *self, int idx)
@@ -873,7 +852,11 @@ static void start_counters(struct perf_evlist *evlist)
attr->read_format |= PERF_FORMAT_ID;
}
+ if (symbol_conf.use_callchain)
+ attr->sample_type |= PERF_SAMPLE_CALLCHAIN;
+
attr->mmap = 1;
+ attr->comm = 1;
attr->inherit = inherit;
try_again:
if (perf_evsel__open(counter, top.evlist->cpus,
@@ -928,35 +911,56 @@ out_err:
exit(0);
}
+static int setup_sample_type(void)
+{
+ if (!sort_has_symbols) {
+ if (symbol_conf.use_callchain) {
+ ui__warning("Selected -g but \"sym\" not present in --sort/-s.");
+ return -EINVAL;
+ }
+ } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE) {
+ if (callchain_register_param(&callchain_param) < 0) {
+ ui__warning("Can't register callchain params.\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int __cmd_top(void)
{
pthread_t thread;
- int ret __used;
+ int ret;
/*
* FIXME: perf_session__new should allow passing a O_MMAP, so that all this
* mmap reading, etc is encapsulated in it. Use O_WRONLY for now.
*/
- struct perf_session *session = perf_session__new(NULL, O_WRONLY, false, false, NULL);
- if (session == NULL)
+ top.session = perf_session__new(NULL, O_WRONLY, false, false, NULL);
+ if (top.session == NULL)
return -ENOMEM;
+ ret = setup_sample_type();
+ if (ret)
+ goto out_delete;
+
if (top.target_tid != -1)
perf_event__synthesize_thread_map(top.evlist->threads,
- perf_event__process, session);
+ perf_event__process, top.session);
else
- perf_event__synthesize_threads(perf_event__process, session);
+ perf_event__synthesize_threads(perf_event__process, top.session);
start_counters(top.evlist);
- session->evlist = top.evlist;
- perf_session__update_sample_type(session);
+ top.session->evlist = top.evlist;
+ perf_session__update_sample_type(top.session);
/* Wait for a minimal set of events before starting the snapshot */
poll(top.evlist->pollfd, top.evlist->nr_fds, 100);
- perf_session__mmap_read(session);
+ perf_session__mmap_read(top.session);
if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui :
- display_thread), session)) {
+ display_thread), NULL)) {
printf("Could not create display thread.\n");
exit(-1);
}
@@ -974,12 +978,96 @@ static int __cmd_top(void)
while (1) {
u64 hits = top.samples;
- perf_session__mmap_read(session);
+ perf_session__mmap_read(top.session);
if (hits == top.samples)
ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100);
}
+out_delete:
+ perf_session__delete(top.session);
+ top.session = NULL;
+
+ return 0;
+}
+
+static int
+parse_callchain_opt(const struct option *opt __used, const char *arg,
+ int unset)
+{
+ char *tok, *tok2;
+ char *endptr;
+
+ /*
+ * --no-call-graph
+ */
+ if (unset) {
+ dont_use_callchains = true;
+ return 0;
+ }
+
+ symbol_conf.use_callchain = true;
+
+ if (!arg)
+ return 0;
+
+ tok = strtok((char *)arg, ",");
+ if (!tok)
+ return -1;
+
+ /* get the output mode */
+ if (!strncmp(tok, "graph", strlen(arg)))
+ callchain_param.mode = CHAIN_GRAPH_ABS;
+
+ else if (!strncmp(tok, "flat", strlen(arg)))
+ callchain_param.mode = CHAIN_FLAT;
+
+ else if (!strncmp(tok, "fractal", strlen(arg)))
+ callchain_param.mode = CHAIN_GRAPH_REL;
+
+ else if (!strncmp(tok, "none", strlen(arg))) {
+ callchain_param.mode = CHAIN_NONE;
+ symbol_conf.use_callchain = false;
+
+ return 0;
+ }
+
+ else
+ return -1;
+
+ /* get the min percentage */
+ tok = strtok(NULL, ",");
+ if (!tok)
+ goto setup;
+
+ callchain_param.min_percent = strtod(tok, &endptr);
+ if (tok == endptr)
+ return -1;
+
+ /* get the print limit */
+ tok2 = strtok(NULL, ",");
+ if (!tok2)
+ goto setup;
+
+ if (tok2[0] != 'c') {
+ callchain_param.print_limit = strtod(tok2, &endptr);
+ tok2 = strtok(NULL, ",");
+ if (!tok2)
+ goto setup;
+ }
+
+ /* get the call chain order */
+ if (!strcmp(tok2, "caller"))
+ callchain_param.order = ORDER_CALLER;
+ else if (!strcmp(tok2, "callee"))
+ callchain_param.order = ORDER_CALLEE;
+ else
+ return -1;
+setup:
+ if (callchain_register_param(&callchain_param) < 0) {
+ fprintf(stderr, "Can't register callchain params\n");
+ return -1;
+ }
return 0;
}
@@ -1019,7 +1107,7 @@ static const struct option options[] = {
"put the counters into a counter group"),
OPT_BOOLEAN('i', "inherit", &inherit,
"child tasks inherit counters"),
- OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name",
+ OPT_STRING(0, "sym-annotate", &sym_filter, "symbol name",
"symbol to annotate"),
OPT_BOOLEAN('z', "zero", &top.zero,
"zero history across updates"),
@@ -1033,6 +1121,28 @@ static const struct option options[] = {
OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
+ OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
+ "sort by key(s): pid, comm, dso, symbol, parent"),
+ OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+ "Show a column with the number of samples"),
+ OPT_CALLBACK_DEFAULT('G', "call-graph", NULL, "output_type,min_percent, call_order",
+ "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. "
+ "Default: fractal,0.5,callee", &parse_callchain_opt,
+ callchain_default_opt),
+ OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
+ "Show a column with the sum of periods"),
+ OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+ "only consider symbols in these dsos"),
+ OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
+ "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", &symbol_conf.annotate_src,
+ "Interleave source code with assembly code (default)"),
+ OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
+ "Display raw encoding of assembly instructions (default)"),
+ OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
+ "Specify disassembler style (e.g. -M intel for intel syntax)"),
OPT_END()
};
@@ -1045,18 +1155,16 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
if (top.evlist == NULL)
return -ENOMEM;
- page_size = sysconf(_SC_PAGE_SIZE);
+ symbol_conf.exclude_other = false;
argc = parse_options(argc, argv, options, top_usage, 0);
if (argc)
usage_with_options(top_usage, options);
- /*
- * XXX For now start disabled, only using TUI if explicitely asked for.
- * Change that when handle_keys equivalent gets written, live annotation
- * done, etc.
- */
- use_browser = 0;
+ if (sort_order == default_sort_order)
+ sort_order = "dso,symbol";
+
+ setup_sorting(top_usage, options);
if (use_stdio)
use_browser = 0;
@@ -1119,13 +1227,22 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
- symbol_conf.priv_size = (sizeof(struct sym_entry) + sizeof(struct annotation) +
- (top.evlist->nr_entries + 1) * sizeof(unsigned long));
+ symbol_conf.priv_size = sizeof(struct annotation);
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
if (symbol__init() < 0)
return -1;
+ sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
+ sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
+ sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
+
+ /*
+ * Avoid annotation data structures overhead when symbols aren't on the
+ * sort list.
+ */
+ sort_has_symbols = sort_sym.list.next != NULL;
+
get_term_dimensions(&winsize);
if (top.print_entries == 0) {
update_print_entries(&winsize);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 10:03:25 +0100