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Subject[PATCH 2/7] libperf: Move idx to perf_evsel::idx
Date
Moving evsel::idx to perf_evsel::idx, so we can move
the group interface to libperf.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/lib/perf/evlist.c | 1 +
tools/lib/perf/evsel.c | 6 ++++--
tools/lib/perf/include/internal/evsel.h | 4 +++-
tools/perf/arch/x86/util/iostat.c | 4 ++--
tools/perf/builtin-diff.c | 4 ++--
tools/perf/builtin-report.c | 4 ++--
tools/perf/builtin-top.c | 8 ++++----
tools/perf/tests/evsel-roundtrip-name.c | 6 +++---
tools/perf/tests/mmap-basic.c | 8 ++++----
tools/perf/ui/browsers/annotate.c | 2 +-
tools/perf/util/annotate.c | 8 ++++----
tools/perf/util/evlist.c | 10 ++++------
tools/perf/util/evsel.c | 3 +--
tools/perf/util/evsel.h | 3 +--
tools/perf/util/header.c | 10 +++++-----
tools/perf/util/metricgroup.c | 14 +++++++-------
tools/perf/util/parse-events.c | 2 +-
tools/perf/util/python.c | 2 +-
tools/perf/util/stream.c | 2 +-
19 files changed, 51 insertions(+), 50 deletions(-)

diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index a0aaf385cbb5..68b90bbf0ffb 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -66,6 +66,7 @@ static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
void perf_evlist__add(struct perf_evlist *evlist,
struct perf_evsel *evsel)
{
+ evsel->idx = evlist->nr_entries;
list_add_tail(&evsel->node, &evlist->entries);
evlist->nr_entries += 1;
__perf_evlist__propagate_maps(evlist, evsel);
diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index bd8c2f19ef74..dccdc3456b23 100644
--- a/tools/lib/perf/evsel.c
+++ b/tools/lib/perf/evsel.c
@@ -18,10 +18,12 @@
#include <sys/ioctl.h>
#include <sys/mman.h>

-void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr)
+void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
+ int idx)
{
INIT_LIST_HEAD(&evsel->node);
evsel->attr = *attr;
+ evsel->idx = idx;
}

struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
@@ -29,7 +31,7 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
struct perf_evsel *evsel = zalloc(sizeof(*evsel));

if (evsel != NULL)
- perf_evsel__init(evsel, attr);
+ perf_evsel__init(evsel, attr, 0);

return evsel;
}
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
index 1c067d088bc6..86f674e36f62 100644
--- a/tools/lib/perf/include/internal/evsel.h
+++ b/tools/lib/perf/include/internal/evsel.h
@@ -49,9 +49,11 @@ struct perf_evsel {
/* parse modifier helper */
int nr_members;
bool system_wide;
+ int idx;
};

-void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr);
+void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
+ int idx);
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
void perf_evsel__close_fd(struct perf_evsel *evsel);
void perf_evsel__free_fd(struct perf_evsel *evsel);
diff --git a/tools/perf/arch/x86/util/iostat.c b/tools/perf/arch/x86/util/iostat.c
index d63acb782b63..eeafe97b8105 100644
--- a/tools/perf/arch/x86/util/iostat.c
+++ b/tools/perf/arch/x86/util/iostat.c
@@ -322,7 +322,7 @@ static int iostat_event_group(struct evlist *evl,
}

evlist__for_each_entry(evl, evsel) {
- evsel->priv = list->rps[evsel->idx / metrics_count];
+ evsel->priv = list->rps[evsel->core.idx / metrics_count];
}
list->nr_entries = 0;
err:
@@ -428,7 +428,7 @@ void iostat_print_metric(struct perf_stat_config *config, struct evsel *evsel,
{
double iostat_value = 0;
u64 prev_count_val = 0;
- const char *iostat_metric = iostat_metric_by_idx(evsel->idx);
+ const char *iostat_metric = iostat_metric_by_idx(evsel->core.idx);
u8 die = ((struct iio_root_port *)evsel->priv)->die;
struct perf_counts_values *count = perf_counts(evsel->counts, die, 0);

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index f52b3a799e76..80450c0e8f36 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1031,12 +1031,12 @@ static int process_base_stream(struct data__file *data_base,
continue;

es_base = evsel_streams__entry(data_base->evlist_streams,
- evsel_base->idx);
+ evsel_base->core.idx);
if (!es_base)
return -1;

es_pair = evsel_streams__entry(data_pair->evlist_streams,
- evsel_pair->idx);
+ evsel_pair->core.idx);
if (!es_pair)
return -1;

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index bc5c393021dc..4014de4da33b 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -332,7 +332,7 @@ static int process_read_event(struct perf_tool *tool,
const char *name = evsel__name(evsel);
int err = perf_read_values_add_value(&rep->show_threads_values,
event->read.pid, event->read.tid,
- evsel->idx,
+ evsel->core.idx,
name,
event->read.value);

@@ -666,7 +666,7 @@ static int report__collapse_hists(struct report *rep)
evlist__for_each_entry(rep->session->evlist, pos) {
struct hists *hists = evsel__hists(pos);

- if (pos->idx == 0)
+ if (pos->core.idx == 0)
hists->symbol_filter_str = rep->symbol_filter_str;

hists->socket_filter = rep->socket_filter;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 2d570bfe7a56..76343a418e67 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -264,9 +264,9 @@ static void perf_top__show_details(struct perf_top *top)

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);
@@ -530,7 +530,7 @@ 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");

@@ -541,7 +541,7 @@ 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);
diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c
index b74cf80d1f10..5ebf56331904 100644
--- a/tools/perf/tests/evsel-roundtrip-name.c
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -44,7 +44,7 @@ static int perf_evsel__roundtrip_cache_name_test(void)

for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
__evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
- if (evsel->idx != idx)
+ if (evsel->core.idx != idx)
continue;

++idx;
@@ -84,9 +84,9 @@ static int __perf_evsel__name_array_test(const char *names[], int nr_names,

err = 0;
evlist__for_each_entry(evlist, evsel) {
- if (strcmp(evsel__name(evsel), names[evsel->idx / distance])) {
+ if (strcmp(evsel__name(evsel), names[evsel->core.idx / distance])) {
--err;
- pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->idx / distance]);
+ pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->core.idx / distance]);
}
}

diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 73ae8f7aa066..d38757db2dc2 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -139,7 +139,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
" doesn't map to an evsel\n", sample.id);
goto out_delete_evlist;
}
- nr_events[evsel->idx]++;
+ nr_events[evsel->core.idx]++;
perf_mmap__consume(&md->core);
}
perf_mmap__read_done(&md->core);
@@ -147,10 +147,10 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
out_init:
err = 0;
evlist__for_each_entry(evlist, evsel) {
- if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
+ if (nr_events[evsel->core.idx] != expected_nr_events[evsel->core.idx]) {
pr_debug("expected %d %s events, got %d\n",
- expected_nr_events[evsel->idx],
- evsel__name(evsel), nr_events[evsel->idx]);
+ expected_nr_events[evsel->core.idx],
+ evsel__name(evsel), nr_events[evsel->core.idx]);
err = -1;
goto out_delete_evlist;
}
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index f5509a958e38..cd2ef8f3b474 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -749,7 +749,7 @@ static int annotate_browser__run(struct annotate_browser *browser,
hbt->timer(hbt->arg);

if (delay_secs != 0) {
- symbol__annotate_decay_histogram(sym, evsel->idx);
+ symbol__annotate_decay_histogram(sym, evsel->core.idx);
hists__scnprintf_title(hists, title, sizeof(title));
annotate_browser__show(&browser->b, title, help);
}
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index abe1499a9164..aa04a3655236 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -961,7 +961,7 @@ static int symbol__inc_addr_samples(struct map_symbol *ms,
if (sym == NULL)
return 0;
src = symbol__hists(sym, evsel->evlist->core.nr_entries);
- return src ? __symbol__inc_addr_samples(ms, src, evsel->idx, addr, sample) : 0;
+ return src ? __symbol__inc_addr_samples(ms, src, evsel->core.idx, addr, sample) : 0;
}

static int symbol__account_cycles(u64 addr, u64 start,
@@ -2159,7 +2159,7 @@ static void annotation__calc_percent(struct annotation *notes,

BUG_ON(i >= al->data_nr);

- sym_hist = annotation__histogram(notes, evsel->idx);
+ sym_hist = annotation__histogram(notes, evsel->core.idx);
data = &al->data[i++];

calc_percent(sym_hist, hists, data, al->offset, end);
@@ -2340,7 +2340,7 @@ static void print_summary(struct rb_root *root, const char *filename)
static void symbol__annotate_hits(struct symbol *sym, struct evsel *evsel)
{
struct annotation *notes = symbol__annotation(sym);
- struct sym_hist *h = annotation__histogram(notes, evsel->idx);
+ struct sym_hist *h = annotation__histogram(notes, evsel->core.idx);
u64 len = symbol__size(sym), offset;

for (offset = 0; offset < len; ++offset)
@@ -2373,7 +2373,7 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel,
const char *d_filename;
const char *evsel_name = evsel__name(evsel);
struct annotation *notes = symbol__annotation(sym);
- struct sym_hist *h = annotation__histogram(notes, evsel->idx);
+ struct sym_hist *h = annotation__histogram(notes, evsel->core.idx);
struct annotation_line *pos, *queue = NULL;
u64 start = map__rip_2objdump(map, sym->start);
int printed = 2, queue_len = 0, addr_fmt_width;
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 6ba9664089bd..6563ce3b9541 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -165,11 +165,9 @@ void evlist__delete(struct evlist *evlist)

void evlist__add(struct evlist *evlist, struct evsel *entry)
{
- entry->evlist = evlist;
- entry->idx = evlist->core.nr_entries;
- entry->tracking = !entry->idx;
-
perf_evlist__add(&evlist->core, &entry->core);
+ entry->evlist = evlist;
+ entry->tracking = !entry->core.idx;

if (evlist->core.nr_entries == 1)
evlist__set_id_pos(evlist);
@@ -232,7 +230,7 @@ void __evlist__set_leader(struct list_head *list)
leader = list_entry(list->next, struct evsel, core.node);
evsel = list_entry(list->prev, struct evsel, core.node);

- leader->core.nr_members = evsel->idx - leader->idx + 1;
+ leader->core.nr_members = evsel->core.idx - leader->core.idx + 1;

__evlist__for_each_entry(list, evsel) {
evsel->leader = leader;
@@ -2137,7 +2135,7 @@ struct evsel *evlist__find_evsel(struct evlist *evlist, int idx)
struct evsel *evsel;

evlist__for_each_entry(evlist, evsel) {
- if (evsel->idx == idx)
+ if (evsel->core.idx == idx)
return evsel;
}
return NULL;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index b1c930eca40f..cce16814dc2c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -239,8 +239,7 @@ bool evsel__is_function_event(struct evsel *evsel)
void evsel__init(struct evsel *evsel,
struct perf_event_attr *attr, int idx)
{
- perf_evsel__init(&evsel->core, attr);
- evsel->idx = idx;
+ perf_evsel__init(&evsel->core, attr, idx);
evsel->tracking = !idx;
evsel->leader = evsel;
evsel->unit = "";
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index bdad52a06438..09c290bce3cc 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -49,7 +49,6 @@ struct evsel {
struct perf_evsel core;
struct evlist *evlist;
off_t id_offset;
- int idx;
int id_pos;
int is_pos;
unsigned int sample_size;
@@ -406,7 +405,7 @@ int evsel__open_strerror(struct evsel *evsel, struct target *target,

static inline int evsel__group_idx(struct evsel *evsel)
{
- return evsel->idx - evsel->leader->idx;
+ return evsel->core.idx - evsel->leader->core.idx;
}

/* Iterates group WITHOUT the leader. */
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 0158d2945bab..9c8efb1898a0 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -789,7 +789,7 @@ static int write_group_desc(struct feat_fd *ff,
evlist__for_each_entry(evlist, evsel) {
if (evsel__is_group_leader(evsel) && evsel->core.nr_members > 1) {
const char *name = evsel->group_name ?: "{anon_group}";
- u32 leader_idx = evsel->idx;
+ u32 leader_idx = evsel->core.idx;
u32 nr_members = evsel->core.nr_members;

ret = do_write_string(ff, name);
@@ -1844,7 +1844,7 @@ static struct evsel *read_event_desc(struct feat_fd *ff)
msz = sz;

for (i = 0, evsel = events; i < nre; evsel++, i++) {
- evsel->idx = i;
+ evsel->core.idx = i;

/*
* must read entire on-file attr struct to
@@ -2379,7 +2379,7 @@ static struct evsel *evlist__find_by_index(struct evlist *evlist, int idx)
struct evsel *evsel;

evlist__for_each_entry(evlist, evsel) {
- if (evsel->idx == idx)
+ if (evsel->core.idx == idx)
return evsel;
}

@@ -2393,7 +2393,7 @@ static void evlist__set_event_name(struct evlist *evlist, struct evsel *event)
if (!event->name)
return;

- evsel = evlist__find_by_index(evlist, event->idx);
+ evsel = evlist__find_by_index(evlist, event->core.idx);
if (!evsel)
return;

@@ -2739,7 +2739,7 @@ static int process_group_desc(struct feat_fd *ff, void *data __maybe_unused)

i = nr = 0;
evlist__for_each_entry(session->evlist, evsel) {
- if (evsel->idx == (int) desc[i].leader_idx) {
+ if (evsel->core.idx == (int) desc[i].leader_idx) {
evsel->leader = evsel;
/* {anon_group} is a dummy name */
if (strcmp(desc[i].name, "{anon_group}")) {
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index d3cf2dee36c8..d956d9cf73f7 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -219,7 +219,7 @@ static struct evsel *find_evsel_group(struct evlist *perf_evlist,
if (has_constraint && ev->weak_group)
continue;
/* Ignore event if already used and merging is disabled. */
- if (metric_no_merge && test_bit(ev->idx, evlist_used))
+ if (metric_no_merge && test_bit(ev->core.idx, evlist_used))
continue;
if (!has_constraint && ev->leader != current_leader) {
/*
@@ -269,7 +269,7 @@ static struct evsel *find_evsel_group(struct evlist *perf_evlist,
for (i = 0; i < idnum; i++) {
ev = metric_events[i];
/* Don't free the used events. */
- set_bit(ev->idx, evlist_used);
+ set_bit(ev->core.idx, evlist_used);
/*
* The metric leader points to the identically named event in
* metric_events.
@@ -291,7 +291,7 @@ static struct evsel *find_evsel_group(struct evlist *perf_evlist,
evsel_same_pmu_or_none(ev->leader, metric_events[i]->leader))
break;
if (!strcmp(metric_events[i]->name, ev->name)) {
- set_bit(ev->idx, evlist_used);
+ set_bit(ev->core.idx, evlist_used);
ev->metric_leader = metric_events[i];
}
}
@@ -391,7 +391,7 @@ static int metricgroup__setup_events(struct list_head *groups,
}

evlist__for_each_entry_safe(perf_evlist, tmp, evsel) {
- if (!test_bit(evsel->idx, evlist_used)) {
+ if (!test_bit(evsel->core.idx, evlist_used)) {
evlist__remove(perf_evlist, evsel);
evsel__delete(evsel);
}
@@ -1312,7 +1312,7 @@ int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp,
nd = rblist__entry(old_metric_events, i);
old_me = container_of(nd, struct metric_event, nd);

- evsel = evlist__find_evsel(evlist, old_me->evsel->idx);
+ evsel = evlist__find_evsel(evlist, old_me->evsel->core.idx);
if (!evsel)
return -EINVAL;
new_me = metricgroup__lookup(new_metric_events, evsel, true);
@@ -1320,7 +1320,7 @@ int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp,
return -ENOMEM;

pr_debug("copying metric event for cgroup '%s': %s (idx=%d)\n",
- cgrp ? cgrp->name : "root", evsel->name, evsel->idx);
+ cgrp ? cgrp->name : "root", evsel->name, evsel->core.idx);

list_for_each_entry(old_expr, &old_me->head, nd) {
new_expr = malloc(sizeof(*new_expr));
@@ -1363,7 +1363,7 @@ int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp,
/* copy evsel in the same position */
for (idx = 0; idx < nr; idx++) {
evsel = old_expr->metric_events[idx];
- evsel = evlist__find_evsel(evlist, evsel->idx);
+ evsel = evlist__find_evsel(evlist, evsel->core.idx);
if (evsel == NULL) {
free(new_expr->metric_events);
free(new_expr->metric_refs);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 84108c17f48d..e936c7c02d14 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1740,7 +1740,7 @@ parse_events__set_leader_for_uncore_aliase(char *name, struct list_head *list,

leader = list_first_entry(list, struct evsel, core.node);
evsel = list_last_entry(list, struct evsel, core.node);
- total_members = evsel->idx - leader->idx + 1;
+ total_members = evsel->core.idx - leader->core.idx + 1;

leaders = calloc(total_members, sizeof(uintptr_t));
if (WARN_ON(!leaders))
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 412f8e79e409..8feef3a05af7 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1032,7 +1032,7 @@ static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,

Py_INCREF(pevsel);
evsel = &((struct pyrf_evsel *)pevsel)->evsel;
- evsel->idx = evlist->core.nr_entries;
+ evsel->core.idx = evlist->core.nr_entries;
evlist__add(evlist, evsel);

return Py_BuildValue("i", evlist->core.nr_entries);
diff --git a/tools/perf/util/stream.c b/tools/perf/util/stream.c
index 4bd5e5a00aa5..545e44981a27 100644
--- a/tools/perf/util/stream.c
+++ b/tools/perf/util/stream.c
@@ -139,7 +139,7 @@ static int evlist__init_callchain_streams(struct evlist *evlist,

hists__output_resort(hists, NULL);
init_hot_callchain(hists, &es[i]);
- es[i].evsel_idx = pos->idx;
+ es[i].evsel_idx = pos->core.idx;
i++;
}

--
2.31.1
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