From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Andi Kleen <ak@linux.intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH v9 02/15] tools/libperf: add properties to struct pollfd *entries objects
Date: Fri, 3 Jul 2020 10:41:45 +0300 [thread overview]
Message-ID: <09bbbc85-7ef9-ff9f-9865-fce6a1a4e903@linux.intel.com> (raw)
In-Reply-To: <a4d5db4a-f25c-38dc-1c41-321a886cb122@linux.intel.com>
Store boolean properties per struct pollfd *entries object in a
bitmap of int size. Implement fdarray_prop__nonfilterable property
to skip object from counting by fdarray_filter().
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
tools/lib/api/fd/array.c | 17 +++++++++--------
tools/lib/api/fd/array.h | 18 +++++++++++++-----
tools/lib/perf/evlist.c | 10 +++++-----
tools/lib/perf/include/internal/evlist.h | 2 +-
tools/perf/tests/fdarray.c | 2 +-
tools/perf/util/evlist.c | 2 +-
6 files changed, 30 insertions(+), 21 deletions(-)
diff --git a/tools/lib/api/fd/array.c b/tools/lib/api/fd/array.c
index 89f9a2193c2d..a4223f8cb1ce 100644
--- a/tools/lib/api/fd/array.c
+++ b/tools/lib/api/fd/array.c
@@ -12,31 +12,31 @@
void fdarray__init(struct fdarray *fda, int nr_autogrow)
{
fda->entries = NULL;
- fda->priv = NULL;
+ fda->prop = NULL;
fda->nr = fda->nr_alloc = 0;
fda->nr_autogrow = nr_autogrow;
}
int fdarray__grow(struct fdarray *fda, int nr)
{
- void *priv;
+ void *prop;
int nr_alloc = fda->nr_alloc + nr;
- size_t psize = sizeof(fda->priv[0]) * nr_alloc;
+ size_t psize = sizeof(fda->prop[0]) * nr_alloc;
size_t size = sizeof(struct pollfd) * nr_alloc;
struct pollfd *entries = realloc(fda->entries, size);
if (entries == NULL)
return -ENOMEM;
- priv = realloc(fda->priv, psize);
- if (priv == NULL) {
+ prop = realloc(fda->prop, psize);
+ if (prop == NULL) {
free(entries);
return -ENOMEM;
}
fda->nr_alloc = nr_alloc;
fda->entries = entries;
- fda->priv = priv;
+ fda->prop = prop;
return 0;
}
@@ -59,7 +59,7 @@ struct fdarray *fdarray__new(int nr_alloc, int nr_autogrow)
void fdarray__exit(struct fdarray *fda)
{
free(fda->entries);
- free(fda->priv);
+ free(fda->prop);
fdarray__init(fda, 0);
}
@@ -69,7 +69,7 @@ void fdarray__delete(struct fdarray *fda)
free(fda);
}
-int fdarray__add(struct fdarray *fda, int fd, short revents)
+int fdarray__add(struct fdarray *fda, int fd, short revents, enum fdarray_props props)
{
int pos = fda->nr;
@@ -79,6 +79,7 @@ int fdarray__add(struct fdarray *fda, int fd, short revents)
fda->entries[fda->nr].fd = fd;
fda->entries[fda->nr].events = revents;
+ fda->prop[fda->nr].bits = props;
fda->nr++;
return pos;
}
diff --git a/tools/lib/api/fd/array.h b/tools/lib/api/fd/array.h
index b39557d1a88f..19b6a34aeea5 100644
--- a/tools/lib/api/fd/array.h
+++ b/tools/lib/api/fd/array.h
@@ -21,10 +21,18 @@ struct fdarray {
int nr_alloc;
int nr_autogrow;
struct pollfd *entries;
- union {
- int idx;
- void *ptr;
- } *priv;
+ struct {
+ union {
+ int idx;
+ void *ptr;
+ } priv;
+ int bits;
+ } *prop;
+};
+
+enum fdarray_props {
+ fdarray_prop__default = 0x00000000,
+ fdarray_prop__nonfilterable = 0x00000001
};
void fdarray__init(struct fdarray *fda, int nr_autogrow);
@@ -33,7 +41,7 @@ void fdarray__exit(struct fdarray *fda);
struct fdarray *fdarray__new(int nr_alloc, int nr_autogrow);
void fdarray__delete(struct fdarray *fda);
-int fdarray__add(struct fdarray *fda, int fd, short revents);
+int fdarray__add(struct fdarray *fda, int fd, short revents, enum fdarray_props props);
int fdarray__poll(struct fdarray *fda, int timeout);
int fdarray__filter(struct fdarray *fda, short revents,
void (*entry_destructor)(struct fdarray *fda, int fd, void *arg),
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 6a875a0f01bb..25e76e458afb 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -305,12 +305,12 @@ int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
}
int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
- void *ptr, short revent)
+ void *ptr, short revent, enum fdarray_props props)
{
- int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP);
+ int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP, props);
if (pos >= 0) {
- evlist->pollfd.priv[pos].ptr = ptr;
+ evlist->pollfd.prop[pos].priv.ptr = ptr;
fcntl(fd, F_SETFL, O_NONBLOCK);
}
@@ -320,7 +320,7 @@ int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd,
void *arg __maybe_unused)
{
- struct perf_mmap *map = fda->priv[fd].ptr;
+ struct perf_mmap *map = fda->prop[fd].priv.ptr;
if (map)
perf_mmap__put(map);
@@ -488,7 +488,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
revent = !overwrite ? POLLIN : 0;
if (!evsel->system_wide &&
- perf_evlist__add_pollfd(evlist, fd, map, revent) < 0) {
+ perf_evlist__add_pollfd(evlist, fd, map, revent, fdarray_prop__default) < 0) {
perf_mmap__put(map);
return -1;
}
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
index 74dc8c3f0b66..87bc0fa7293c 100644
--- a/tools/lib/perf/include/internal/evlist.h
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -45,7 +45,7 @@ struct perf_evlist_mmap_ops {
int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
- void *ptr, short revent);
+ void *ptr, short revent, enum fdarray_props props);
int perf_evlist__mmap_ops(struct perf_evlist *evlist,
struct perf_evlist_mmap_ops *ops,
diff --git a/tools/perf/tests/fdarray.c b/tools/perf/tests/fdarray.c
index d0c8a05aab2f..b573f386ab2f 100644
--- a/tools/perf/tests/fdarray.c
+++ b/tools/perf/tests/fdarray.c
@@ -112,7 +112,7 @@ int test__fdarray__add(struct test *test __maybe_unused, int subtest __maybe_unu
}
#define FDA_ADD(_idx, _fd, _revents, _nr) \
- if (fdarray__add(fda, _fd, _revents) < 0) { \
+ if (fdarray__add(fda, _fd, _revents, fdarray_prop__default) < 0) { \
pr_debug("\n%d: fdarray__add(fda, %d, %d) failed!", \
__LINE__,_fd, _revents); \
goto out_delete; \
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 1b884695b4d3..7b1beffec6a1 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -497,7 +497,7 @@ int perf_evlist__enable_event_idx(struct evlist *evlist,
int evlist__add_pollfd(struct evlist *evlist, int fd)
{
- return perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN);
+ return perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN, fdarray_prop__default);
}
int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask)
--
2.24.1
next prev parent reply other threads:[~2020-07-03 7:41 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-03 7:38 [PATCH v9 00/15] perf: support enable and disable commands in stat and record modes Alexey Budankov
2020-07-03 7:41 ` [PATCH v9 01/15] tools/libperf: avoid fds moving by fdarray__filter() Alexey Budankov
2020-07-03 7:41 ` Alexey Budankov [this message]
2020-07-06 12:24 ` [PATCH v9 02/15] tools/libperf: add properties to struct pollfd *entries objects Jiri Olsa
2020-07-06 13:05 ` Alexey Budankov
2020-07-03 7:42 ` [PATCH v9 03/15] tools/libperf: don't count nonfilterable fds by fdarray__filter() Alexey Budankov
2020-07-03 7:43 ` [PATCH v9 04/15] perf evlist: introduce control file descriptors Alexey Budankov
2020-07-03 7:43 ` [PATCH v9 05/15] perf evlist: implement control command handling functions Alexey Budankov
2020-07-03 7:44 ` [PATCH v9 06/15] perf stat: factor out body of event handling loop for system wide Alexey Budankov
2020-07-03 7:45 ` [PATCH v9 07/15] perf stat: move target check to loop control statement Alexey Budankov
2020-07-03 7:45 ` [PATCH v9 08/15] perf stat: factor out body of event handling loop for fork case Alexey Budankov
2020-07-03 7:46 ` [PATCH v9 09/15] perf stat: factor out event handling loop into dispatch_events() Alexey Budankov
2020-07-06 12:27 ` Jiri Olsa
2020-07-06 13:07 ` Alexey Budankov
2020-07-03 7:46 ` [PATCH v9 10/15] perf stat: extend -D,--delay option with -1 value Alexey Budankov
2020-07-03 7:47 ` [PATCH v9 11/15] perf stat: implement control commands handling Alexey Budankov
2020-07-06 12:34 ` Jiri Olsa
2020-07-06 14:47 ` Alexey Budankov
2020-07-06 19:34 ` Jiri Olsa
2020-07-07 13:07 ` Alexey Budankov
2020-07-07 13:14 ` Jiri Olsa
2020-07-07 13:24 ` Alexey Budankov
2020-07-07 14:23 ` Jiri Olsa
2020-07-07 14:55 ` Alexey Budankov
2020-07-07 16:05 ` Jiri Olsa
2020-07-07 16:43 ` Alexey Budankov
2020-07-07 17:19 ` Alexey Budankov
2020-07-06 12:37 ` Jiri Olsa
2020-07-06 13:10 ` Alexey Budankov
2020-07-03 7:47 ` [PATCH v9 12/15] perf stat: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov
2020-07-03 7:48 ` [PATCH v9 13/15] perf record: extend -D,--delay option with -1 value Alexey Budankov
2020-07-03 7:49 ` [PATCH v9 14/15] perf record: implement control commands handling Alexey Budankov
2020-07-03 7:49 ` [PATCH v9 15/15] perf record: introduce --control fd:ctl-fd[,ack-fd] options Alexey Budankov
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