libperf: Move 'pollfd' from 'struct evlist' to 'struct perf_evlist'
authorJiri Olsa <jolsa@kernel.org>
Tue, 6 Aug 2019 09:28:02 +0000 (11:28 +0200)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 25 Sep 2019 12:51:47 +0000 (09:51 -0300)
Moving 'pollfd' from 'struct evlist' to 'struct perf_evlist' it will be
used in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lore.kernel.org/lkml/20190913132355.21634-23-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-kvm.c
tools/perf/lib/include/internal/evlist.h
tools/perf/util/evlist.c
tools/perf/util/evlist.h
tools/perf/util/python.c

index e2b42efc86fa9d69ad431580f278675e5b8e07cf..710a2898ed6ccb9957bbc6698ca276ad3c7becc4 100644 (file)
@@ -981,7 +981,7 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
        evlist__enable(kvm->evlist);
 
        while (!done) {
-               struct fdarray *fda = &kvm->evlist->pollfd;
+               struct fdarray *fda = &kvm->evlist->core.pollfd;
                int rc;
 
                rc = perf_kvm__mmap_read(kvm);
index 01b8136164405df6c58d84cbeff3dd75a3f5fab6..8a4eb66fbf3aa7de4e0262e58eae4042067d04dc 100644 (file)
@@ -3,6 +3,7 @@
 #define __LIBPERF_INTERNAL_EVLIST_H
 
 #include <linux/list.h>
+#include <api/fd/array.h>
 
 struct perf_cpu_map;
 struct perf_thread_map;
@@ -15,6 +16,7 @@ struct perf_evlist {
        struct perf_thread_map  *threads;
        int                      nr_mmaps;
        size_t                   mmap_len;
+       struct fdarray           pollfd;
 };
 
 /**
index 4d8cde099e10a96513a54c0a36ac434654d8303b..13595e8e6b4b775342f17ca6d298170ea3cb0b8c 100644 (file)
@@ -61,7 +61,7 @@ void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
                INIT_HLIST_HEAD(&evlist->heads[i]);
        perf_evlist__init(&evlist->core);
        perf_evlist__set_maps(&evlist->core, cpus, threads);
-       fdarray__init(&evlist->pollfd, 64);
+       fdarray__init(&evlist->core.pollfd, 64);
        evlist->workload.pid = -1;
        evlist->bkw_mmap_state = BKW_MMAP_NOTREADY;
 }
@@ -142,7 +142,7 @@ void evlist__exit(struct evlist *evlist)
 {
        zfree(&evlist->mmap);
        zfree(&evlist->overwrite_mmap);
-       fdarray__exit(&evlist->pollfd);
+       fdarray__exit(&evlist->core.pollfd);
 }
 
 void evlist__delete(struct evlist *evlist)
@@ -416,8 +416,8 @@ int perf_evlist__alloc_pollfd(struct evlist *evlist)
                        nfds += nr_cpus * nr_threads;
        }
 
-       if (fdarray__available_entries(&evlist->pollfd) < nfds &&
-           fdarray__grow(&evlist->pollfd, nfds) < 0)
+       if (fdarray__available_entries(&evlist->core.pollfd) < nfds &&
+           fdarray__grow(&evlist->core.pollfd, nfds) < 0)
                return -ENOMEM;
 
        return 0;
@@ -426,13 +426,13 @@ int perf_evlist__alloc_pollfd(struct evlist *evlist)
 static int __perf_evlist__add_pollfd(struct evlist *evlist, int fd,
                                     struct mmap *map, short revent)
 {
-       int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP);
+       int pos = fdarray__add(&evlist->core.pollfd, fd, revent | POLLERR | POLLHUP);
        /*
         * Save the idx so that when we filter out fds POLLHUP'ed we can
         * close the associated evlist->mmap[] entry.
         */
        if (pos >= 0) {
-               evlist->pollfd.priv[pos].ptr = map;
+               evlist->core.pollfd.priv[pos].ptr = map;
 
                fcntl(fd, F_SETFL, O_NONBLOCK);
        }
@@ -456,13 +456,13 @@ static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd,
 
 int perf_evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask)
 {
-       return fdarray__filter(&evlist->pollfd, revents_and_mask,
+       return fdarray__filter(&evlist->core.pollfd, revents_and_mask,
                               perf_evlist__munmap_filtered, NULL);
 }
 
 int perf_evlist__poll(struct evlist *evlist, int timeout)
 {
-       return fdarray__poll(&evlist->pollfd, timeout);
+       return fdarray__poll(&evlist->core.pollfd, timeout);
 }
 
 static void perf_evlist__id_hash(struct evlist *evlist,
@@ -1009,7 +1009,7 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
        if (!evlist->mmap)
                return -ENOMEM;
 
-       if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
+       if (evlist->core.pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
                return -ENOMEM;
 
        evlist->core.mmap_len = evlist__mmap_size(pages);
index 765cee8bced1c3fc00b1ccfec4dcc75aa9ee0f22..4fcdf93eb19c5b768f4bdedd455118541c8d8a17 100644 (file)
@@ -64,7 +64,6 @@ struct evlist {
                int     cork_fd;
                pid_t   pid;
        } workload;
-       struct fdarray   pollfd;
        struct mmap *mmap;
        struct mmap *overwrite_mmap;
        struct evsel *selected;
index 62144b97e17b87aaef1b7c75a3ebf19510352ec0..fcbafb1e8d9de7b3f541cd09c07364a1e43558d7 100644 (file)
@@ -935,17 +935,17 @@ static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
         PyObject *list = PyList_New(0);
        int i;
 
-       for (i = 0; i < evlist->pollfd.nr; ++i) {
+       for (i = 0; i < evlist->core.pollfd.nr; ++i) {
                PyObject *file;
 #if PY_MAJOR_VERSION < 3
-               FILE *fp = fdopen(evlist->pollfd.entries[i].fd, "r");
+               FILE *fp = fdopen(evlist->core.pollfd.entries[i].fd, "r");
 
                if (fp == NULL)
                        goto free_list;
 
                file = PyFile_FromFile(fp, "perf", "r", NULL);
 #else
-               file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1,
+               file = PyFile_FromFd(evlist->core.pollfd.entries[i].fd, "perf", "r", -1,
                                     NULL, NULL, NULL, 0);
 #endif
                if (file == NULL)