perf evsel: Add hists helper

Not all tools need a hists instance per perf_evsel, so lets pave the way
to remove evsel->hists while leaving a way to access the hists from a
specially allocated evsel, one that comes with space at the end where
lives the evsel.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qlktkhe31w4mgtbd84035sr2@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index be59394..c9a119e 100644 (file)
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -51,6 +51,7 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
                                  struct addr_location *al,
                                  struct perf_annotate *ann)
 {
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he;
        int ret;
 
@@ -66,13 +67,12 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
                return 0;
        }
 
-       he = __hists__add_entry(&evsel->hists, al, NULL, NULL, NULL, 1, 1, 0,
-                               true);
+       he = __hists__add_entry(hists, al, NULL, NULL, NULL, 1, 1, 0, true);
        if (he == NULL)
                return -ENOMEM;
 
        ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
-       hists__inc_nr_samples(&evsel->hists, true);
+       hists__inc_nr_samples(hists, true);
        return ret;
 }
 
@@ -225,7 +225,7 @@ static int __cmd_annotate(struct perf_annotate *ann)
 
        total_nr_samples = 0;
        evlist__for_each(session->evlist, pos) {
-               struct hists *hists = &pos->hists;
+               struct hists *hists = evsel__hists(pos);
                u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
 
                if (nr_samples > 0) {

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index a3ce19f..8c5c11c 100644 (file)
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -327,6 +327,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
                                      struct machine *machine)
 {
        struct addr_location al;
+       struct hists *hists = evsel__hists(evsel);
 
        if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
                pr_warning("problem processing %d event, skipping it.\n",
@@ -334,7 +335,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
                return -1;
        }
 
-       if (hists__add_entry(&evsel->hists, &al, sample->period,
+       if (hists__add_entry(hists, &al, sample->period,
                             sample->weight, sample->transaction)) {
                pr_warning("problem incrementing symbol period, skipping event\n");
                return -1;
@@ -346,9 +347,9 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
         * hists__output_resort() and precompute needs the total
         * period in order to sort entries by percentage delta.
         */
-       evsel->hists.stats.total_period += sample->period;
+       hists->stats.total_period += sample->period;
        if (!al.filtered)
-               evsel->hists.stats.total_non_filtered_period += sample->period;
+               hists->stats.total_non_filtered_period += sample->period;
 
        return 0;
 }
@@ -382,7 +383,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist)
        struct perf_evsel *evsel;
 
        evlist__for_each(evlist, evsel) {
-               struct hists *hists = &evsel->hists;
+               struct hists *hists = evsel__hists(evsel);
 
                hists__collapse_resort(hists, NULL);
        }
@@ -631,24 +632,26 @@ static void data_process(void)
        bool first = true;
 
        evlist__for_each(evlist_base, evsel_base) {
+               struct hists *hists_base = evsel__hists(evsel_base);
                struct data__file *d;
                int i;
 
                data__for_each_file_new(i, d) {
                        struct perf_evlist *evlist = d->session->evlist;
                        struct perf_evsel *evsel;
+                       struct hists *hists;
 
                        evsel = evsel_match(evsel_base, evlist);
                        if (!evsel)
                                continue;
 
-                       d->hists = &evsel->hists;
+                       hists = evsel__hists(evsel);
+                       d->hists = hists;
 
-                       hists__match(&evsel_base->hists, &evsel->hists);
+                       hists__match(hists_base, hists);
 
                        if (!show_baseline_only)
-                               hists__link(&evsel_base->hists,
-                                           &evsel->hists);
+                               hists__link(hists_base, hists);
                }
 
                fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
@@ -659,7 +662,7 @@ static void data_process(void)
                if (verbose || data__files_cnt > 2)
                        data__fprintf();
 
-               hists__process(&evsel_base->hists);
+               hists__process(hists_base);
        }
 }
 

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index ac145fa..3750d63 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -288,12 +288,14 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report
                evname = buf;
 
                for_each_group_member(pos, evsel) {
+                       const struct hists *pos_hists = evsel__hists(pos);
+
                        if (symbol_conf.filter_relative) {
-                               nr_samples += pos->hists.stats.nr_non_filtered_samples;
-                               nr_events += pos->hists.stats.total_non_filtered_period;
+                               nr_samples += pos_hists->stats.nr_non_filtered_samples;
+                               nr_events += pos_hists->stats.total_non_filtered_period;
                        } else {
-                               nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
-                               nr_events += pos->hists.stats.total_period;
+                               nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
+                               nr_events += pos_hists->stats.total_period;
                        }
                }
        }
@@ -318,7 +320,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
        struct perf_evsel *pos;
 
        evlist__for_each(evlist, pos) {
-               struct hists *hists = &pos->hists;
+               struct hists *hists = evsel__hists(pos);
                const char *evname = perf_evsel__name(pos);
 
                if (symbol_conf.event_group &&
@@ -427,7 +429,7 @@ static void report__collapse_hists(struct report *rep)
        ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
 
        evlist__for_each(rep->session->evlist, pos) {
-               struct hists *hists = &pos->hists;
+               struct hists *hists = evsel__hists(pos);
 
                if (pos->idx == 0)
                        hists->symbol_filter_str = rep->symbol_filter_str;
@@ -437,7 +439,7 @@ static void report__collapse_hists(struct report *rep)
                /* Non-group events are considered as leader */
                if (symbol_conf.event_group &&
                    !perf_evsel__is_group_leader(pos)) {
-                       struct hists *leader_hists = &pos->leader->hists;
+                       struct hists *leader_hists = evsel__hists(pos->leader);
 
                        hists__match(leader_hists, hists);
                        hists__link(leader_hists, hists);
@@ -500,7 +502,7 @@ static int __cmd_report(struct report *rep)
        }
 
        evlist__for_each(session->evlist, pos)
-               hists__output_resort(&pos->hists);
+               hists__output_resort(evsel__hists(pos));
 
        return report__browse_hists(rep);
 }

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index fc3d55f..8ab9716 100644 (file)
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -251,6 +251,7 @@ static void perf_top__print_sym_table(struct perf_top *top)
        char bf[160];
        int printed = 0;
        const int win_width = top->winsize.ws_col - 1;
+       struct hists *hists = evsel__hists(top->sym_evsel);
 
        puts(CONSOLE_CLEAR);
 
@@ -261,13 +262,13 @@ static void perf_top__print_sym_table(struct perf_top *top)
 
        printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
 
-       if (top->sym_evsel->hists.stats.nr_lost_warned !=
-           top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) {
-               top->sym_evsel->hists.stats.nr_lost_warned =
-                       top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST];
+       if (hists->stats.nr_lost_warned !=
+           hists->stats.nr_events[PERF_RECORD_LOST]) {
+               hists->stats.nr_lost_warned =
+                             hists->stats.nr_events[PERF_RECORD_LOST];
                color_fprintf(stdout, PERF_COLOR_RED,
                              "WARNING: LOST %d chunks, Check IO/CPU overload",
-                             top->sym_evsel->hists.stats.nr_lost_warned);
+                             hists->stats.nr_lost_warned);
                ++printed;
        }
 
@@ -277,21 +278,18 @@ static void perf_top__print_sym_table(struct perf_top *top)
        }
 
        if (top->zero) {
-               hists__delete_entries(&top->sym_evsel->hists);
+               hists__delete_entries(hists);
        } else {
-               hists__decay_entries(&top->sym_evsel->hists,
-                                    top->hide_user_symbols,
+               hists__decay_entries(hists, top->hide_user_symbols,
                                     top->hide_kernel_symbols);
        }
 
-       hists__collapse_resort(&top->sym_evsel->hists, NULL);
-       hists__output_resort(&top->sym_evsel->hists);
+       hists__collapse_resort(hists, NULL);
+       hists__output_resort(hists);
 
-       hists__output_recalc_col_len(&top->sym_evsel->hists,
-                                    top->print_entries - printed);
+       hists__output_recalc_col_len(hists, top->print_entries - printed);
        putchar('\n');
-       hists__fprintf(&top->sym_evsel->hists, false,
-                      top->print_entries - printed, win_width,
+       hists__fprintf(hists, false, top->print_entries - printed, win_width,
                       top->min_percent, stdout);
 }
 
@@ -334,6 +332,7 @@ static void perf_top__prompt_symbol(struct perf_top *top, const char *msg)
 {
        char *buf = malloc(0), *p;
        struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL;
+       struct hists *hists = evsel__hists(top->sym_evsel);
        struct rb_node *next;
        size_t dummy = 0;
 
@@ -351,7 +350,7 @@ static void perf_top__prompt_symbol(struct perf_top *top, const char *msg)
        if (p)
                *p = 0;
 
-       next = rb_first(&top->sym_evsel->hists.entries);
+       next = rb_first(&hists->entries);
        while (next) {
                n = rb_entry(next, struct hist_entry, rb_node);
                if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
@@ -538,21 +537,24 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
 static void perf_top__sort_new_samples(void *arg)
 {
        struct perf_top *t = arg;
+       struct hists *hists;
+
        perf_top__reset_sample_counters(t);
 
        if (t->evlist->selected != NULL)
                t->sym_evsel = t->evlist->selected;
 
+       hists = evsel__hists(t->sym_evsel);
+
        if (t->zero) {
-               hists__delete_entries(&t->sym_evsel->hists);
+               hists__delete_entries(hists);
        } else {
-               hists__decay_entries(&t->sym_evsel->hists,
-                                    t->hide_user_symbols,
+               hists__decay_entries(hists, t->hide_user_symbols,
                                     t->hide_kernel_symbols);
        }
 
-       hists__collapse_resort(&t->sym_evsel->hists, NULL);
-       hists__output_resort(&t->sym_evsel->hists);
+       hists__collapse_resort(hists, NULL);
+       hists__output_resort(hists);
 }
 
 static void *display_thread_tui(void *arg)
@@ -573,8 +575,10 @@ static void *display_thread_tui(void *arg)
         * Zooming in/out UIDs. For now juse use whatever the user passed
         * via --uid.
         */
-       evlist__for_each(top->evlist, pos)
-               pos->hists.uid_filter_str = top->record_opts.target.uid_str;
+       evlist__for_each(top->evlist, pos) {
+               struct hists *hists = evsel__hists(pos);
+               hists->uid_filter_str = top->record_opts.target.uid_str;
+       }
 
        perf_evlist__tui_browse_hists(top->evlist, help, &hbt, top->min_percent,
                                      &top->session->header.env);
@@ -768,6 +772,7 @@ static void perf_event__process_sample(struct perf_tool *tool,
        }
 
        if (al.sym == NULL || !al.sym->ignore) {
+               struct hists *hists = evsel__hists(evsel);
                struct hist_entry_iter iter = {
                        .add_entry_cb = hist_iter__top_callback,
                };
@@ -777,14 +782,14 @@ static void perf_event__process_sample(struct perf_tool *tool,
                else
                        iter.ops = &hist_iter_normal;
 
-               pthread_mutex_lock(&evsel->hists.lock);
+               pthread_mutex_lock(&hists->lock);
 
                err = hist_entry_iter__add(&iter, &al, evsel, sample,
                                           top->max_stack, top);
                if (err < 0)
                        pr_err("Problem incrementing symbol period, skipping event\n");
 
-               pthread_mutex_unlock(&evsel->hists.lock);
+               pthread_mutex_unlock(&hists->lock);
        }
 
        return;
@@ -849,7 +854,7 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
                        perf_event__process_sample(&top->tool, event, evsel,
                                                   &sample, machine);
                } else if (event->header.type < PERF_RECORD_MAX) {
-                       hists__inc_nr_events(&evsel->hists, event->header.type);
+                       hists__inc_nr_events(evsel__hists(evsel), event->header.type);
                        machine__process_event(machine, event, &sample);
                } else
                        ++session->stats.nr_unknown_events;

diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index 0ac240d..614d5c4 100644 (file)
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -245,7 +245,7 @@ static int do_test(struct hists *hists, struct result *expected, size_t nr_expec
 static int test1(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        /*
         * expected output:
         *
@@ -295,7 +295,7 @@ out:
 static int test2(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        /*
         * expected output:
         *
@@ -442,7 +442,7 @@ out:
 static int test3(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        /*
         * expected output:
         *
@@ -498,7 +498,7 @@ out:
 static int test4(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        /*
         * expected output:
         *

diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index 821f581..5a31787 100644 (file)
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -66,11 +66,12 @@ static int add_hist_entries(struct perf_evlist *evlist,
                                .ops = &hist_iter_normal,
                                .hide_unresolved = false,
                        };
+                       struct hists *hists = evsel__hists(evsel);
 
                        /* make sure it has no filter at first */
-                       evsel->hists.thread_filter = NULL;
-                       evsel->hists.dso_filter = NULL;
-                       evsel->hists.symbol_filter_str = NULL;
+                       hists->thread_filter = NULL;
+                       hists->dso_filter = NULL;
+                       hists->symbol_filter_str = NULL;
 
                        sample.pid = fake_samples[i].pid;
                        sample.tid = fake_samples[i].pid;
@@ -134,7 +135,7 @@ int test__hists_filter(void)
                goto out;
 
        evlist__for_each(evlist, evsel) {
-               struct hists *hists = &evsel->hists;
+               struct hists *hists = evsel__hists(evsel);
 
                hists__collapse_resort(hists, NULL);
                hists__output_resort(hists);
@@ -160,7 +161,7 @@ int test__hists_filter(void)
                                hists->stats.total_non_filtered_period);
 
                /* now applying thread filter for 'bash' */
-               evsel->hists.thread_filter = fake_samples[9].thread;
+               hists->thread_filter = fake_samples[9].thread;
                hists__filter_by_thread(hists);
 
                if (verbose > 2) {
@@ -185,11 +186,11 @@ int test__hists_filter(void)
                                hists->stats.total_non_filtered_period == 400);
 
                /* remove thread filter first */
-               evsel->hists.thread_filter = NULL;
+               hists->thread_filter = NULL;
                hists__filter_by_thread(hists);
 
                /* now applying dso filter for 'kernel' */
-               evsel->hists.dso_filter = fake_samples[0].map->dso;
+               hists->dso_filter = fake_samples[0].map->dso;
                hists__filter_by_dso(hists);
 
                if (verbose > 2) {
@@ -214,7 +215,7 @@ int test__hists_filter(void)
                                hists->stats.total_non_filtered_period == 300);
 
                /* remove dso filter first */
-               evsel->hists.dso_filter = NULL;
+               hists->dso_filter = NULL;
                hists__filter_by_dso(hists);
 
                /*
@@ -224,7 +225,7 @@ int test__hists_filter(void)
                 * be counted as a separate entry but the sample count and
                 * total period will be remained.
                 */
-               evsel->hists.symbol_filter_str = "main";
+               hists->symbol_filter_str = "main";
                hists__filter_by_symbol(hists);
 
                if (verbose > 2) {
@@ -249,8 +250,8 @@ int test__hists_filter(void)
                                hists->stats.total_non_filtered_period == 300);
 
                /* now applying all filters at once. */
-               evsel->hists.thread_filter = fake_samples[1].thread;
-               evsel->hists.dso_filter = fake_samples[1].map->dso;
+               hists->thread_filter = fake_samples[1].thread;
+               hists->dso_filter = fake_samples[1].map->dso;
                hists__filter_by_thread(hists);
                hists__filter_by_dso(hists);
 

diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index d4b34b0..278ba83 100644 (file)
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -73,6 +73,8 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
         * "bash [libc] malloc" so total 9 entries will be in the tree.
         */
        evlist__for_each(evlist, evsel) {
+               struct hists *hists = evsel__hists(evsel);
+
                for (k = 0; k < ARRAY_SIZE(fake_common_samples); k++) {
                        const union perf_event event = {
                                .header = {
@@ -87,7 +89,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
                                                          &sample) < 0)
                                goto out;
 
-                       he = __hists__add_entry(&evsel->hists, &al, NULL,
+                       he = __hists__add_entry(hists, &al, NULL,
                                                NULL, NULL, 1, 1, 0, true);
                        if (he == NULL)
                                goto out;
@@ -111,7 +113,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
                                                          &sample) < 0)
                                goto out;
 
-                       he = __hists__add_entry(&evsel->hists, &al, NULL,
+                       he = __hists__add_entry(hists, &al, NULL,
                                                NULL, NULL, 1, 1, 0, true);
                        if (he == NULL)
                                goto out;
@@ -271,6 +273,7 @@ static int validate_link(struct hists *leader, struct hists *other)
 int test__hists_link(void)
 {
        int err = -1;
+       struct hists *hists, *first_hists;
        struct machines machines;
        struct machine *machine = NULL;
        struct perf_evsel *evsel, *first;
@@ -306,24 +309,28 @@ int test__hists_link(void)
                goto out;
 
        evlist__for_each(evlist, evsel) {
-               hists__collapse_resort(&evsel->hists, NULL);
+               hists = evsel__hists(evsel);
+               hists__collapse_resort(hists, NULL);
 
                if (verbose > 2)
-                       print_hists_in(&evsel->hists);
+                       print_hists_in(hists);
        }
 
        first = perf_evlist__first(evlist);
        evsel = perf_evlist__last(evlist);
 
+       first_hists = evsel__hists(first);
+       hists = evsel__hists(evsel);
+
        /* match common entries */
-       hists__match(&first->hists, &evsel->hists);
-       err = validate_match(&first->hists, &evsel->hists);
+       hists__match(first_hists, hists);
+       err = validate_match(first_hists, hists);
        if (err)
                goto out;
 
        /* link common and/or dummy entries */
-       hists__link(&first->hists, &evsel->hists);
-       err = validate_link(&first->hists, &evsel->hists);
+       hists__link(first_hists, hists);
+       err = validate_link(first_hists, hists);
        if (err)
                goto out;
 

diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index e3bbd6c..a748f2b 100644 (file)
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -122,7 +122,7 @@ typedef int (*test_fn_t)(struct perf_evsel *, struct machine *);
 static int test1(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he;
        struct rb_root *root;
        struct rb_node *node;
@@ -159,7 +159,7 @@ static int test1(struct perf_evsel *evsel, struct machine *machine)
                print_hists_out(hists);
        }
 
-       root = &evsel->hists.entries;
+       root = &hists->entries;
        node = rb_first(root);
        he = rb_entry(node, struct hist_entry, rb_node);
        TEST_ASSERT_VAL("Invalid hist entry",
@@ -224,7 +224,7 @@ out:
 static int test2(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he;
        struct rb_root *root;
        struct rb_node *node;
@@ -259,7 +259,7 @@ static int test2(struct perf_evsel *evsel, struct machine *machine)
                print_hists_out(hists);
        }
 
-       root = &evsel->hists.entries;
+       root = &hists->entries;
        node = rb_first(root);
        he = rb_entry(node, struct hist_entry, rb_node);
        TEST_ASSERT_VAL("Invalid hist entry",
@@ -280,7 +280,7 @@ out:
 static int test3(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he;
        struct rb_root *root;
        struct rb_node *node;
@@ -313,7 +313,7 @@ static int test3(struct perf_evsel *evsel, struct machine *machine)
                print_hists_out(hists);
        }
 
-       root = &evsel->hists.entries;
+       root = &hists->entries;
        node = rb_first(root);
        he = rb_entry(node, struct hist_entry, rb_node);
        TEST_ASSERT_VAL("Invalid hist entry",
@@ -354,7 +354,7 @@ out:
 static int test4(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he;
        struct rb_root *root;
        struct rb_node *node;
@@ -391,7 +391,7 @@ static int test4(struct perf_evsel *evsel, struct machine *machine)
                print_hists_out(hists);
        }
 
-       root = &evsel->hists.entries;
+       root = &hists->entries;
        node = rb_first(root);
        he = rb_entry(node, struct hist_entry, rb_node);
        TEST_ASSERT_VAL("Invalid hist entry",
@@ -456,7 +456,7 @@ out:
 static int test5(struct perf_evsel *evsel, struct machine *machine)
 {
        int err;
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he;
        struct rb_root *root;
        struct rb_node *node;
@@ -494,7 +494,7 @@ static int test5(struct perf_evsel *evsel, struct machine *machine)
                print_hists_out(hists);
        }
 
-       root = &evsel->hists.entries;
+       root = &hists->entries;
        node = rb_first(root);
        he = rb_entry(node, struct hist_entry, rb_node);
 

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 8f60a97..68eab9e 100644 (file)
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1229,12 +1229,14 @@ static int hists__browser_title(struct hists *hists, char *bf, size_t size)
                ev_name = buf;
 
                for_each_group_member(pos, evsel) {
+                       struct hists *pos_hists = evsel__hists(pos);
+
                        if (symbol_conf.filter_relative) {
-                               nr_samples += pos->hists.stats.nr_non_filtered_samples;
-                               nr_events += pos->hists.stats.total_non_filtered_period;
+                               nr_samples += pos_hists->stats.nr_non_filtered_samples;
+                               nr_events += pos_hists->stats.total_non_filtered_period;
                        } else {
-                               nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
-                               nr_events += pos->hists.stats.total_period;
+                               nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
+                               nr_events += pos_hists->stats.total_period;
                        }
                }
        }
@@ -1387,7 +1389,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
                                    float min_pcnt,
                                    struct perf_session_env *env)
 {
-       struct hists *hists = &evsel->hists;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_browser *browser = hist_browser__new(hists);
        struct branch_info *bi;
        struct pstack *fstack;
@@ -1802,8 +1804,9 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
        struct perf_evsel_menu *menu = container_of(browser,
                                                    struct perf_evsel_menu, b);
        struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node);
+       struct hists *hists = evsel__hists(evsel);
        bool current_entry = ui_browser__is_current_entry(browser, row);
-       unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+       unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
        const char *ev_name = perf_evsel__name(evsel);
        char bf[256], unit;
        const char *warn = " ";
@@ -1818,7 +1821,8 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
                ev_name = perf_evsel__group_name(evsel);
 
                for_each_group_member(pos, evsel) {
-                       nr_events += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
+                       struct hists *pos_hists = evsel__hists(pos);
+                       nr_events += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
                }
        }
 
@@ -1827,7 +1831,7 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
                           unit, unit == ' ' ? "" : " ", ev_name);
        slsmg_printf("%s", bf);
 
-       nr_events = evsel->hists.stats.nr_events[PERF_RECORD_LOST];
+       nr_events = hists->stats.nr_events[PERF_RECORD_LOST];
        if (nr_events != 0) {
                menu->lost_events = true;
                if (!current_entry)

diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index f3fa425..fc654fb 100644 (file)
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -319,7 +319,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
        gtk_container_add(GTK_CONTAINER(window), vbox);
 
        evlist__for_each(evlist, pos) {
-               struct hists *hists = &pos->hists;
+               struct hists *hists = evsel__hists(pos);
                const char *evname = perf_evsel__name(pos);
                GtkWidget *scrolled_window;
                GtkWidget *tab_label;

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 7bc314b..ff72ce0 100644 (file)
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -102,6 +102,11 @@ union u64_swap {
 
 #define hists_to_evsel(h) container_of(h, struct perf_evsel, hists)
 
+static inline struct hists *evsel__hists(struct perf_evsel *evsel)
+{
+       return &evsel->hists;
+}
+
 struct cpu_map;
 struct thread_map;
 struct perf_evlist;

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index b475956..f72ad9c 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -509,6 +509,7 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al
 {
        u64 cost;
        struct mem_info *mi = iter->priv;
+       struct hists *hists = evsel__hists(iter->evsel);
        struct hist_entry *he;
 
        if (mi == NULL)
@@ -525,7 +526,7 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al
         * and this is indirectly achieved by passing period=weight here
         * and the he_stat__add_period() function.
         */
-       he = __hists__add_entry(&iter->evsel->hists, al, iter->parent, NULL, mi,
+       he = __hists__add_entry(hists, al, iter->parent, NULL, mi,
                                cost, cost, 0, true);
        if (!he)
                return -ENOMEM;
@@ -539,13 +540,14 @@ iter_finish_mem_entry(struct hist_entry_iter *iter,
                      struct addr_location *al __maybe_unused)
 {
        struct perf_evsel *evsel = iter->evsel;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he = iter->he;
        int err = -EINVAL;
 
        if (he == NULL)
                goto out;
 
-       hists__inc_nr_samples(&evsel->hists, he->filtered);
+       hists__inc_nr_samples(hists, he->filtered);
 
        err = hist_entry__append_callchain(he, iter->sample);
 
@@ -611,6 +613,7 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
 {
        struct branch_info *bi;
        struct perf_evsel *evsel = iter->evsel;
+       struct hists *hists = evsel__hists(evsel);
        struct hist_entry *he = NULL;
        int i = iter->curr;
        int err = 0;
@@ -624,12 +627,12 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
         * The report shows the percentage of total branches captured
         * and not events sampled. Thus we use a pseudo period of 1.
         */
-       he = __hists__add_entry(&evsel->hists, al, iter->parent, &bi[i], NULL,
+       he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL,
                                1, 1, 0, true);
        if (he == NULL)
                return -ENOMEM;
 
-       hists__inc_nr_samples(&evsel->hists, he->filtered);
+       hists__inc_nr_samples(hists, he->filtered);
 
 out:
        iter->he = he;
@@ -661,7 +664,7 @@ iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location
        struct perf_sample *sample = iter->sample;
        struct hist_entry *he;
 
-       he = __hists__add_entry(&evsel->hists, al, iter->parent, NULL, NULL,
+       he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
                                sample->period, sample->weight,
                                sample->transaction, true);
        if (he == NULL)
@@ -684,7 +687,7 @@ iter_finish_normal_entry(struct hist_entry_iter *iter,
 
        iter->he = NULL;
 
-       hists__inc_nr_samples(&evsel->hists, he->filtered);
+       hists__inc_nr_samples(evsel__hists(evsel), he->filtered);
 
        return hist_entry__append_callchain(he, sample);
 }
@@ -717,12 +720,13 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
                                 struct addr_location *al)
 {
        struct perf_evsel *evsel = iter->evsel;
+       struct hists *hists = evsel__hists(evsel);
        struct perf_sample *sample = iter->sample;
        struct hist_entry **he_cache = iter->priv;
        struct hist_entry *he;
        int err = 0;
 
-       he = __hists__add_entry(&evsel->hists, al, iter->parent, NULL, NULL,
+       he = __hists__add_entry(hists, al, iter->parent, NULL, NULL,
                                sample->period, sample->weight,
                                sample->transaction, true);
        if (he == NULL)
@@ -739,7 +743,7 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
         */
        callchain_cursor_commit(&callchain_cursor);
 
-       hists__inc_nr_samples(&evsel->hists, he->filtered);
+       hists__inc_nr_samples(hists, he->filtered);
 
        return err;
 }
@@ -795,7 +799,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
                }
        }
 
-       he = __hists__add_entry(&evsel->hists, al, iter->parent, NULL, NULL,
+       he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
                                sample->period, sample->weight,
                                sample->transaction, false);
        if (he == NULL)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 883406f..1d42354 100644 (file)
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -827,7 +827,7 @@ int perf_session__deliver_event(struct perf_session *session,
                 * future probably it'll be a good idea to restrict event
                 * processing via perf_session to files with both set.
                 */
-               hists__inc_nr_events(&evsel->hists, event->header.type);
+               hists__inc_nr_events(evsel__hists(evsel), event->header.type);
        }
 
        machine = perf_session__find_machine_for_cpumode(session, event,
@@ -1398,7 +1398,7 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
 
        evlist__for_each(session->evlist, pos) {
                ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos));
-               ret += events_stats__fprintf(&pos->hists.stats, fp);
+               ret += events_stats__fprintf(&evsel__hists(pos)->stats, fp);
        }
 
        return ret;

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 289df9d..4906cd8 100644 (file)
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1218,7 +1218,7 @@ static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
        hse = container_of(fmt, struct hpp_sort_entry, hpp);
 
        if (!len)
-               len = hists__col_len(&evsel->hists, hse->se->se_width_idx);
+               len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
 
        return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
 }
@@ -1233,7 +1233,7 @@ static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
        hse = container_of(fmt, struct hpp_sort_entry, hpp);
 
        if (!len)
-               len = hists__col_len(&evsel->hists, hse->se->se_width_idx);
+               len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
 
        return len;
 }