#include <inttypes.h>
#include <poll.h>
#include "cpumap.h"
+#include "util/mmap.h"
#include "thread_map.h"
#include "target.h"
#include "evlist.h"
#include "evsel.h"
#include "debug.h"
#include "units.h"
+#include "util.h" // page_size
+#include "../perf.h"
#include "asm/bug.h"
#include "bpf-event.h"
#include <signal.h>
#include <unistd.h>
+#include <sched.h>
+#include <stdlib.h>
#include "parse-events.h"
#include <subcmd/parse-options.h>
#include <linux/hash.h>
#include <linux/log2.h>
#include <linux/err.h>
+#include <linux/string.h>
#include <linux/zalloc.h>
#include <perf/evlist.h>
+#include <perf/evsel.h>
+#include <perf/cpumap.h>
+
+#include <internal/xyarray.h>
#ifdef LACKS_SIGQUEUE_PROTOTYPE
int sigqueue(pid_t pid, int sig, const union sigval value);
#endif
-#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+#define FD(e, x, y) (*(int *)xyarray__entry(e->core.fd, x, y))
#define SID(e, x, y) xyarray__entry(e->sample_id, x, y)
void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
INIT_HLIST_HEAD(&evlist->heads[i]);
perf_evlist__init(&evlist->core);
- perf_evlist__set_maps(evlist, cpus, threads);
+ perf_evlist__set_maps(&evlist->core, cpus, threads);
fdarray__init(&evlist->pollfd, 64);
evlist->workload.pid = -1;
evlist->bkw_mmap_state = BKW_MMAP_NOTREADY;
perf_evlist__set_id_pos(evlist);
}
-static void perf_evlist__purge(struct evlist *evlist)
+static void evlist__purge(struct evlist *evlist)
{
struct evsel *pos, *n;
evsel__delete(pos);
}
- evlist->nr_entries = 0;
+ evlist->core.nr_entries = 0;
}
-void perf_evlist__exit(struct evlist *evlist)
+void evlist__exit(struct evlist *evlist)
{
zfree(&evlist->mmap);
zfree(&evlist->overwrite_mmap);
if (evlist == NULL)
return;
- perf_evlist__munmap(evlist);
+ evlist__munmap(evlist);
evlist__close(evlist);
- perf_cpu_map__put(evlist->cpus);
- perf_thread_map__put(evlist->threads);
- evlist->cpus = NULL;
- evlist->threads = NULL;
- perf_evlist__purge(evlist);
- perf_evlist__exit(evlist);
+ perf_cpu_map__put(evlist->core.cpus);
+ perf_thread_map__put(evlist->core.threads);
+ evlist->core.cpus = NULL;
+ evlist->core.threads = NULL;
+ evlist__purge(evlist);
+ evlist__exit(evlist);
free(evlist);
}
-static void __perf_evlist__propagate_maps(struct evlist *evlist,
- struct evsel *evsel)
-{
- /*
- * We already have cpus for evsel (via PMU sysfs) so
- * keep it, if there's no target cpu list defined.
- */
- if (!evsel->own_cpus || evlist->has_user_cpus) {
- perf_cpu_map__put(evsel->cpus);
- evsel->cpus = perf_cpu_map__get(evlist->cpus);
- } else if (evsel->cpus != evsel->own_cpus) {
- perf_cpu_map__put(evsel->cpus);
- evsel->cpus = perf_cpu_map__get(evsel->own_cpus);
- }
-
- perf_thread_map__put(evsel->threads);
- evsel->threads = perf_thread_map__get(evlist->threads);
-}
-
-static void perf_evlist__propagate_maps(struct evlist *evlist)
-{
- struct evsel *evsel;
-
- evlist__for_each_entry(evlist, evsel)
- __perf_evlist__propagate_maps(evlist, evsel);
-}
-
void evlist__add(struct evlist *evlist, struct evsel *entry)
{
- perf_evlist__add(&evlist->core, &entry->core);
entry->evlist = evlist;
- entry->idx = evlist->nr_entries;
+ entry->idx = evlist->core.nr_entries;
entry->tracking = !entry->idx;
- if (!evlist->nr_entries++)
- perf_evlist__set_id_pos(evlist);
+ perf_evlist__add(&evlist->core, &entry->core);
- __perf_evlist__propagate_maps(evlist, entry);
+ if (evlist->core.nr_entries == 1)
+ perf_evlist__set_id_pos(evlist);
}
void evlist__remove(struct evlist *evlist, struct evsel *evsel)
{
evsel->evlist = NULL;
- list_del_init(&evsel->core.node);
- evlist->nr_entries -= 1;
+ perf_evlist__remove(&evlist->core, &evsel->core);
}
void perf_evlist__splice_list_tail(struct evlist *evlist,
leader = list_entry(list->next, struct evsel, core.node);
evsel = list_entry(list->prev, struct evsel, core.node);
- leader->nr_members = evsel->idx - leader->idx + 1;
+ leader->core.nr_members = evsel->idx - leader->idx + 1;
__evlist__for_each_entry(list, evsel) {
evsel->leader = leader;
void perf_evlist__set_leader(struct evlist *evlist)
{
- if (evlist->nr_entries) {
- evlist->nr_groups = evlist->nr_entries > 1 ? 1 : 0;
+ if (evlist->core.nr_entries) {
+ evlist->nr_groups = evlist->core.nr_entries > 1 ? 1 : 0;
__perf_evlist__set_leader(&evlist->core.entries);
}
}
.config = PERF_COUNT_SW_DUMMY,
.size = sizeof(attr), /* to capture ABI version */
};
- struct evsel *evsel = perf_evsel__new_idx(&attr, evlist->nr_entries);
+ struct evsel *evsel = perf_evsel__new_idx(&attr, evlist->core.nr_entries);
if (evsel == NULL)
return -ENOMEM;
size_t i;
for (i = 0; i < nr_attrs; i++) {
- evsel = perf_evsel__new_idx(attrs + i, evlist->nr_entries + i);
+ evsel = perf_evsel__new_idx(attrs + i, evlist->core.nr_entries + i);
if (evsel == NULL)
goto out_delete_partial_list;
list_add_tail(&evsel->core.node, &head);
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type == PERF_TYPE_TRACEPOINT &&
- (int)evsel->attr.config == id)
+ if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT &&
+ (int)evsel->core.attr.config == id)
return evsel;
}
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
- if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) &&
+ if ((evsel->core.attr.type == PERF_TYPE_TRACEPOINT) &&
(strcmp(evsel->name, name) == 0))
return evsel;
}
if (evsel->system_wide)
return 1;
else
- return thread_map__nr(evlist->threads);
+ return perf_thread_map__nr(evlist->core.threads);
}
void evlist__disable(struct evlist *evlist)
struct evsel *pos;
evlist__for_each_entry(evlist, pos) {
- if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->fd)
+ if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->core.fd)
continue;
evsel__disable(pos);
}
struct evsel *pos;
evlist__for_each_entry(evlist, pos) {
- if (!perf_evsel__is_group_leader(pos) || !pos->fd)
+ if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
continue;
evsel__enable(pos);
}
int thread;
int nr_threads = perf_evlist__nr_threads(evlist, evsel);
- if (!evsel->fd)
+ if (!evsel->core.fd)
return -EINVAL;
for (thread = 0; thread < nr_threads; thread++) {
int thread)
{
int cpu;
- int nr_cpus = cpu_map__nr(evlist->cpus);
+ int nr_cpus = perf_cpu_map__nr(evlist->core.cpus);
- if (!evsel->fd)
+ if (!evsel->core.fd)
return -EINVAL;
for (cpu = 0; cpu < nr_cpus; cpu++) {
int perf_evlist__enable_event_idx(struct evlist *evlist,
struct evsel *evsel, int idx)
{
- bool per_cpu_mmaps = !cpu_map__empty(evlist->cpus);
+ bool per_cpu_mmaps = !perf_cpu_map__empty(evlist->core.cpus);
if (per_cpu_mmaps)
return perf_evlist__enable_event_cpu(evlist, evsel, idx);
int perf_evlist__alloc_pollfd(struct evlist *evlist)
{
- int nr_cpus = cpu_map__nr(evlist->cpus);
- int nr_threads = thread_map__nr(evlist->threads);
+ int nr_cpus = perf_cpu_map__nr(evlist->core.cpus);
+ int nr_threads = perf_thread_map__nr(evlist->core.threads);
int nfds = 0;
struct evsel *evsel;
}
static int __perf_evlist__add_pollfd(struct evlist *evlist, int fd,
- struct perf_mmap *map, short revent)
+ struct mmap *map, short revent)
{
int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP);
/*
static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd,
void *arg __maybe_unused)
{
- struct perf_mmap *map = fda->priv[fd].ptr;
+ struct mmap *map = fda->priv[fd].ptr;
if (map)
perf_mmap__put(map);
if (perf_evlist__read_format(evlist) & PERF_FORMAT_GROUP)
return -1;
- if (!(evsel->attr.read_format & PERF_FORMAT_ID) ||
+ if (!(evsel->core.attr.read_format & PERF_FORMAT_ID) ||
read(fd, &read_data, sizeof(read_data)) == -1)
return -1;
- if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
+ if (evsel->core.attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
++id_idx;
- if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
+ if (evsel->core.attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
++id_idx;
id = read_data[id_idx];
{
struct perf_sample_id *sid = SID(evsel, cpu, thread);
sid->idx = idx;
- if (evlist->cpus && cpu >= 0)
- sid->cpu = evlist->cpus->map[cpu];
+ if (evlist->core.cpus && cpu >= 0)
+ sid->cpu = evlist->core.cpus->map[cpu];
else
sid->cpu = -1;
- if (!evsel->system_wide && evlist->threads && thread >= 0)
- sid->tid = thread_map__pid(evlist->threads, thread);
+ if (!evsel->system_wide && evlist->core.threads && thread >= 0)
+ sid->tid = perf_thread_map__pid(evlist->core.threads, thread);
else
sid->tid = -1;
}
{
struct perf_sample_id *sid;
- if (evlist->nr_entries == 1 || !id)
+ if (evlist->core.nr_entries == 1 || !id)
return perf_evlist__first(evlist);
sid = perf_evlist__id2sid(evlist, id);
static int perf_evlist__event2id(struct evlist *evlist,
union perf_event *event, u64 *id)
{
- const u64 *array = event->sample.array;
+ const __u64 *array = event->sample.array;
ssize_t n;
n = (event->header.size - sizeof(event->header)) >> 3;
int hash;
u64 id;
- if (evlist->nr_entries == 1)
+ if (evlist->core.nr_entries == 1)
return first;
- if (!first->attr.sample_id_all &&
+ if (!first->core.attr.sample_id_all &&
event->header.type != PERF_RECORD_SAMPLE)
return first;
return 0;
for (i = 0; i < evlist->nr_mmaps; i++) {
- int fd = evlist->overwrite_mmap[i].fd;
+ int fd = evlist->overwrite_mmap[i].core.fd;
int err;
if (fd < 0)
return perf_evlist__set_paused(evlist, false);
}
-static void perf_evlist__munmap_nofree(struct evlist *evlist)
+static void evlist__munmap_nofree(struct evlist *evlist)
{
int i;
perf_mmap__munmap(&evlist->overwrite_mmap[i]);
}
-void perf_evlist__munmap(struct evlist *evlist)
+void evlist__munmap(struct evlist *evlist)
{
- perf_evlist__munmap_nofree(evlist);
+ evlist__munmap_nofree(evlist);
zfree(&evlist->mmap);
zfree(&evlist->overwrite_mmap);
}
-static struct perf_mmap *perf_evlist__alloc_mmap(struct evlist *evlist,
- bool overwrite)
+static struct mmap *evlist__alloc_mmap(struct evlist *evlist,
+ bool overwrite)
{
int i;
- struct perf_mmap *map;
+ struct mmap *map;
- evlist->nr_mmaps = cpu_map__nr(evlist->cpus);
- if (cpu_map__empty(evlist->cpus))
- evlist->nr_mmaps = thread_map__nr(evlist->threads);
- map = zalloc(evlist->nr_mmaps * sizeof(struct perf_mmap));
+ evlist->nr_mmaps = perf_cpu_map__nr(evlist->core.cpus);
+ if (perf_cpu_map__empty(evlist->core.cpus))
+ evlist->nr_mmaps = perf_thread_map__nr(evlist->core.threads);
+ map = zalloc(evlist->nr_mmaps * sizeof(struct mmap));
if (!map)
return NULL;
for (i = 0; i < evlist->nr_mmaps; i++) {
- map[i].fd = -1;
- map[i].overwrite = overwrite;
+ map[i].core.fd = -1;
+ map[i].core.overwrite = overwrite;
/*
* When the perf_mmap() call is made we grab one refcount, plus
* one extra to let perf_mmap__consume() get the last
* Each PERF_EVENT_IOC_SET_OUTPUT points to this mmap and
* thus does perf_mmap__get() on it.
*/
- refcount_set(&map[i].refcnt, 0);
+ refcount_set(&map[i].core.refcnt, 0);
}
return map;
}
perf_evlist__should_poll(struct evlist *evlist __maybe_unused,
struct evsel *evsel)
{
- if (evsel->attr.write_backward)
+ if (evsel->core.attr.write_backward)
return false;
return true;
}
-static int perf_evlist__mmap_per_evsel(struct evlist *evlist, int idx,
+static int evlist__mmap_per_evsel(struct evlist *evlist, int idx,
struct mmap_params *mp, int cpu_idx,
int thread, int *_output, int *_output_overwrite)
{
struct evsel *evsel;
int revent;
- int evlist_cpu = cpu_map__cpu(evlist->cpus, cpu_idx);
+ int evlist_cpu = cpu_map__cpu(evlist->core.cpus, cpu_idx);
evlist__for_each_entry(evlist, evsel) {
- struct perf_mmap *maps = evlist->mmap;
+ struct mmap *maps = evlist->mmap;
int *output = _output;
int fd;
int cpu;
mp->prot = PROT_READ | PROT_WRITE;
- if (evsel->attr.write_backward) {
+ if (evsel->core.attr.write_backward) {
output = _output_overwrite;
maps = evlist->overwrite_mmap;
if (!maps) {
- maps = perf_evlist__alloc_mmap(evlist, true);
+ maps = evlist__alloc_mmap(evlist, true);
if (!maps)
return -1;
evlist->overwrite_mmap = maps;
if (evsel->system_wide && thread)
continue;
- cpu = cpu_map__idx(evsel->cpus, evlist_cpu);
+ cpu = perf_cpu_map__idx(evsel->core.cpus, evlist_cpu);
if (cpu == -1)
continue;
return -1;
}
- if (evsel->attr.read_format & PERF_FORMAT_ID) {
+ if (evsel->core.attr.read_format & PERF_FORMAT_ID) {
if (perf_evlist__id_add_fd(evlist, evsel, cpu, thread,
fd) < 0)
return -1;
return 0;
}
-static int perf_evlist__mmap_per_cpu(struct evlist *evlist,
+static int evlist__mmap_per_cpu(struct evlist *evlist,
struct mmap_params *mp)
{
int cpu, thread;
- int nr_cpus = cpu_map__nr(evlist->cpus);
- int nr_threads = thread_map__nr(evlist->threads);
+ int nr_cpus = perf_cpu_map__nr(evlist->core.cpus);
+ int nr_threads = perf_thread_map__nr(evlist->core.threads);
pr_debug2("perf event ring buffer mmapped per cpu\n");
for (cpu = 0; cpu < nr_cpus; cpu++) {
true);
for (thread = 0; thread < nr_threads; thread++) {
- if (perf_evlist__mmap_per_evsel(evlist, cpu, mp, cpu,
+ if (evlist__mmap_per_evsel(evlist, cpu, mp, cpu,
thread, &output, &output_overwrite))
goto out_unmap;
}
return 0;
out_unmap:
- perf_evlist__munmap_nofree(evlist);
+ evlist__munmap_nofree(evlist);
return -1;
}
-static int perf_evlist__mmap_per_thread(struct evlist *evlist,
+static int evlist__mmap_per_thread(struct evlist *evlist,
struct mmap_params *mp)
{
int thread;
- int nr_threads = thread_map__nr(evlist->threads);
+ int nr_threads = perf_thread_map__nr(evlist->core.threads);
pr_debug2("perf event ring buffer mmapped per thread\n");
for (thread = 0; thread < nr_threads; thread++) {
auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, thread,
false);
- if (perf_evlist__mmap_per_evsel(evlist, thread, mp, 0, thread,
+ if (evlist__mmap_per_evsel(evlist, thread, mp, 0, thread,
&output, &output_overwrite))
goto out_unmap;
}
return 0;
out_unmap:
- perf_evlist__munmap_nofree(evlist);
+ evlist__munmap_nofree(evlist);
return -1;
}
return pages;
}
-size_t perf_evlist__mmap_size(unsigned long pages)
+size_t evlist__mmap_size(unsigned long pages)
{
if (pages == UINT_MAX)
pages = perf_event_mlock_kb_in_pages();
}
/**
- * perf_evlist__mmap_ex - Create mmaps to receive events.
+ * evlist__mmap_ex - Create mmaps to receive events.
* @evlist: list of events
* @pages: map length in pages
* @overwrite: overwrite older events?
* @auxtrace_overwrite - overwrite older auxtrace data?
*
* If @overwrite is %false the user needs to signal event consumption using
- * perf_mmap__write_tail(). Using perf_evlist__mmap_read() does this
+ * perf_mmap__write_tail(). Using evlist__mmap_read() does this
* automatically.
*
* Similarly, if @auxtrace_overwrite is %false the user needs to signal data
*
* Return: %0 on success, negative error code otherwise.
*/
-int perf_evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
+int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
unsigned int auxtrace_pages,
bool auxtrace_overwrite, int nr_cblocks, int affinity, int flush,
int comp_level)
{
struct evsel *evsel;
- const struct perf_cpu_map *cpus = evlist->cpus;
- const struct perf_thread_map *threads = evlist->threads;
+ const struct perf_cpu_map *cpus = evlist->core.cpus;
+ const struct perf_thread_map *threads = evlist->core.threads;
/*
* Delay setting mp.prot: set it before calling perf_mmap__mmap.
* Its value is decided by evsel's write_backward.
.comp_level = comp_level };
if (!evlist->mmap)
- evlist->mmap = perf_evlist__alloc_mmap(evlist, false);
+ evlist->mmap = evlist__alloc_mmap(evlist, false);
if (!evlist->mmap)
return -ENOMEM;
if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
return -ENOMEM;
- evlist->mmap_len = perf_evlist__mmap_size(pages);
+ evlist->mmap_len = evlist__mmap_size(pages);
pr_debug("mmap size %zuB\n", evlist->mmap_len);
mp.mask = evlist->mmap_len - page_size - 1;
auxtrace_pages, auxtrace_overwrite);
evlist__for_each_entry(evlist, evsel) {
- if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
+ if ((evsel->core.attr.read_format & PERF_FORMAT_ID) &&
evsel->sample_id == NULL &&
- perf_evsel__alloc_id(evsel, cpu_map__nr(cpus), threads->nr) < 0)
+ perf_evsel__alloc_id(evsel, perf_cpu_map__nr(cpus), threads->nr) < 0)
return -ENOMEM;
}
- if (cpu_map__empty(cpus))
- return perf_evlist__mmap_per_thread(evlist, &mp);
+ if (perf_cpu_map__empty(cpus))
+ return evlist__mmap_per_thread(evlist, &mp);
- return perf_evlist__mmap_per_cpu(evlist, &mp);
+ return evlist__mmap_per_cpu(evlist, &mp);
}
-int perf_evlist__mmap(struct evlist *evlist, unsigned int pages)
+int evlist__mmap(struct evlist *evlist, unsigned int pages)
{
- return perf_evlist__mmap_ex(evlist, pages, 0, false, 0, PERF_AFFINITY_SYS, 1, 0);
+ return evlist__mmap_ex(evlist, pages, 0, false, 0, PERF_AFFINITY_SYS, 1, 0);
}
int perf_evlist__create_maps(struct evlist *evlist, struct target *target)
if (target__uses_dummy_map(target))
cpus = perf_cpu_map__dummy_new();
else
- cpus = cpu_map__new(target->cpu_list);
+ cpus = perf_cpu_map__new(target->cpu_list);
if (!cpus)
goto out_delete_threads;
- evlist->has_user_cpus = !!target->cpu_list;
+ evlist->core.has_user_cpus = !!target->cpu_list;
- perf_evlist__set_maps(evlist, cpus, threads);
+ perf_evlist__set_maps(&evlist->core, cpus, threads);
return 0;
return -1;
}
-void perf_evlist__set_maps(struct evlist *evlist, struct perf_cpu_map *cpus,
- struct perf_thread_map *threads)
-{
- /*
- * Allow for the possibility that one or another of the maps isn't being
- * changed i.e. don't put it. Note we are assuming the maps that are
- * being applied are brand new and evlist is taking ownership of the
- * original reference count of 1. If that is not the case it is up to
- * the caller to increase the reference count.
- */
- if (cpus != evlist->cpus) {
- perf_cpu_map__put(evlist->cpus);
- evlist->cpus = perf_cpu_map__get(cpus);
- }
-
- if (threads != evlist->threads) {
- perf_thread_map__put(evlist->threads);
- evlist->threads = perf_thread_map__get(threads);
- }
-
- perf_evlist__propagate_maps(evlist);
-}
-
void __perf_evlist__set_sample_bit(struct evlist *evlist,
enum perf_event_sample_format bit)
{
* filters only work for tracepoint event, which doesn't have cpu limit.
* So evlist and evsel should always be same.
*/
- err = evsel__apply_filter(evsel, evsel->filter);
+ err = perf_evsel__apply_filter(&evsel->core, evsel->filter);
if (err) {
*err_evsel = evsel;
break;
int err = 0;
evlist__for_each_entry(evlist, evsel) {
- if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
+ if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
continue;
err = perf_evsel__set_filter(evsel, filter);
{
struct evsel *pos;
- if (evlist->nr_entries == 1)
+ if (evlist->core.nr_entries == 1)
return true;
if (evlist->id_pos < 0 || evlist->is_pos < 0)
return evlist->combined_sample_type;
evlist__for_each_entry(evlist, evsel)
- evlist->combined_sample_type |= evsel->attr.sample_type;
+ evlist->combined_sample_type |= evsel->core.attr.sample_type;
return evlist->combined_sample_type;
}
u64 branch_type = 0;
evlist__for_each_entry(evlist, evsel)
- branch_type |= evsel->attr.branch_sample_type;
+ branch_type |= evsel->core.attr.branch_sample_type;
return branch_type;
}
bool perf_evlist__valid_read_format(struct evlist *evlist)
{
struct evsel *first = perf_evlist__first(evlist), *pos = first;
- u64 read_format = first->attr.read_format;
- u64 sample_type = first->attr.sample_type;
+ u64 read_format = first->core.attr.read_format;
+ u64 sample_type = first->core.attr.sample_type;
evlist__for_each_entry(evlist, pos) {
- if (read_format != pos->attr.read_format)
+ if (read_format != pos->core.attr.read_format)
return false;
}
u64 perf_evlist__read_format(struct evlist *evlist)
{
struct evsel *first = perf_evlist__first(evlist);
- return first->attr.read_format;
+ return first->core.attr.read_format;
}
u16 perf_evlist__id_hdr_size(struct evlist *evlist)
u64 sample_type;
u16 size = 0;
- if (!first->attr.sample_id_all)
+ if (!first->core.attr.sample_id_all)
goto out;
- sample_type = first->attr.sample_type;
+ sample_type = first->core.attr.sample_type;
if (sample_type & PERF_SAMPLE_TID)
size += sizeof(data->tid) * 2;
struct evsel *first = perf_evlist__first(evlist), *pos = first;
evlist__for_each_entry_continue(evlist, pos) {
- if (first->attr.sample_id_all != pos->attr.sample_id_all)
+ if (first->core.attr.sample_id_all != pos->core.attr.sample_id_all)
return false;
}
bool perf_evlist__sample_id_all(struct evlist *evlist)
{
struct evsel *first = perf_evlist__first(evlist);
- return first->attr.sample_id_all;
+ return first->core.attr.sample_id_all;
}
void perf_evlist__set_selected(struct evlist *evlist,
struct evsel *evsel;
evlist__for_each_entry_reverse(evlist, evsel)
- perf_evsel__close(evsel);
+ evsel__close(evsel);
}
static int perf_evlist__create_syswide_maps(struct evlist *evlist)
* error, and we may not want to do that fallback to a
* default cpu identity map :-\
*/
- cpus = cpu_map__new(NULL);
+ cpus = perf_cpu_map__new(NULL);
if (!cpus)
goto out;
if (!threads)
goto out_put;
- perf_evlist__set_maps(evlist, cpus, threads);
+ perf_evlist__set_maps(&evlist->core, cpus, threads);
out:
return err;
out_put:
* Default: one fd per CPU, all threads, aka systemwide
* as sys_perf_event_open(cpu = -1, thread = -1) is EINVAL
*/
- if (evlist->threads == NULL && evlist->cpus == NULL) {
+ if (evlist->core.threads == NULL && evlist->core.cpus == NULL) {
err = perf_evlist__create_syswide_maps(evlist);
if (err < 0)
goto out_err;
perf_evlist__update_id_pos(evlist);
evlist__for_each_entry(evlist, evsel) {
- err = evsel__open(evsel, evsel->cpus, evsel->threads);
+ err = evsel__open(evsel, evsel->core.cpus, evsel->core.threads);
if (err < 0)
goto out_err;
}
}
if (target__none(target)) {
- if (evlist->threads == NULL) {
+ if (evlist->core.threads == NULL) {
fprintf(stderr, "FATAL: evlist->threads need to be set at this point (%s:%d).\n",
__func__, __LINE__);
goto out_close_pipes;
}
- perf_thread_map__set_pid(evlist->threads, 0, evlist->workload.pid);
+ perf_thread_map__set_pid(evlist->core.threads, 0, evlist->workload.pid);
}
close(child_ready_pipe[1]);
if (sysctl__read_int("kernel/perf_event_max_sample_rate", &max_freq) < 0)
goto out_default;
- if (first->attr.sample_freq < (u64)max_freq)
+ if (first->core.attr.sample_freq < (u64)max_freq)
goto out_default;
printed = scnprintf(buf, size,
"Error:\t%s.\n"
"Hint:\tCheck /proc/sys/kernel/perf_event_max_sample_rate.\n"
"Hint:\tThe current value is %d and %" PRIu64 " is being requested.",
- emsg, max_freq, first->attr.sample_freq);
+ emsg, max_freq, first->core.attr.sample_freq);
break;
}
default:
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
- if (!evsel->attr.exclude_kernel)
+ if (!evsel->core.attr.exclude_kernel)
return false;
}
leader = evsel->leader;
pr_debug("Weak group for %s/%d failed\n",
- leader->name, leader->nr_members);
+ leader->name, leader->core.nr_members);
/*
* for_each_group_member doesn't work here because it doesn't
is_open = false;
if (c2->leader == leader) {
if (is_open)
- perf_evsel__close(c2);
+ evsel__close(c2);
c2->leader = c2;
- c2->nr_members = 0;
+ c2->core.nr_members = 0;
}
}
return leader;
attr->sample_id_all = 1;
}
- evsel = perf_evsel__new_idx(attr, (*evlist)->nr_entries);
+ evsel = perf_evsel__new_idx(attr, (*evlist)->core.nr_entries);
if (!evsel)
goto out_err;
struct evlist *evlist = arg;
bool draining = false;
int i, done = 0;
+ /*
+ * In order to read symbols from other namespaces perf to needs to call
+ * setns(2). This isn't permitted if the struct_fs has multiple users.
+ * unshare(2) the fs so that we may continue to setns into namespaces
+ * that we're observing when, for instance, reading the build-ids at
+ * the end of a 'perf record' session.
+ */
+ unshare(CLONE_FS);
while (!done) {
bool got_data = false;
perf_evlist__poll(evlist, 1000);
for (i = 0; i < evlist->nr_mmaps; i++) {
- struct perf_mmap *map = &evlist->mmap[i];
+ struct mmap *map = &evlist->mmap[i];
union perf_event *event;
if (perf_mmap__read_init(map))
goto out_delete_evlist;
evlist__for_each_entry(evlist, counter) {
- if (evsel__open(counter, evlist->cpus,
- evlist->threads) < 0)
+ if (evsel__open(counter, evlist->core.cpus,
+ evlist->core.threads) < 0)
goto out_delete_evlist;
}
- if (perf_evlist__mmap(evlist, UINT_MAX))
+ if (evlist__mmap(evlist, UINT_MAX))
goto out_delete_evlist;
evlist__for_each_entry(evlist, counter) {
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