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-rw-r--r--tools/perf/util/config.c32
-rw-r--r--tools/perf/util/evlist.c13
-rw-r--r--tools/perf/util/evlist.h2
-rw-r--r--tools/perf/util/header.c8
-rw-r--r--tools/perf/util/probe-event.c12
-rw-r--r--tools/perf/util/python.c115
-rw-r--r--tools/perf/util/setup.py21
-rw-r--r--tools/perf/util/symbol.c11
8 files changed, 192 insertions, 22 deletions
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index e02d78cae70f..fe02903f7d0f 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -399,7 +399,6 @@ static int perf_config_global(void)
int perf_config(config_fn_t fn, void *data)
{
int ret = 0, found = 0;
- char *repo_config = NULL;
const char *home = NULL;
/* Setting $PERF_CONFIG makes perf read _only_ the given config file. */
@@ -414,19 +413,32 @@ int perf_config(config_fn_t fn, void *data)
home = getenv("HOME");
if (perf_config_global() && home) {
char *user_config = strdup(mkpath("%s/.perfconfig", home));
- if (!access(user_config, R_OK)) {
- ret += perf_config_from_file(fn, user_config, data);
- found += 1;
+ struct stat st;
+
+ if (user_config == NULL) {
+ warning("Not enough memory to process %s/.perfconfig, "
+ "ignoring it.", home);
+ goto out;
}
- free(user_config);
- }
- repo_config = perf_pathdup("config");
- if (!access(repo_config, R_OK)) {
- ret += perf_config_from_file(fn, repo_config, data);
+ if (stat(user_config, &st) < 0)
+ goto out_free;
+
+ if (st.st_uid && (st.st_uid != geteuid())) {
+ warning("File %s not owned by current user or root, "
+ "ignoring it.", user_config);
+ goto out_free;
+ }
+
+ if (!st.st_size)
+ goto out_free;
+
+ ret += perf_config_from_file(fn, user_config, data);
found += 1;
+out_free:
+ free(user_config);
}
- free(repo_config);
+out:
if (found == 0)
return -1;
return ret;
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index b021ea9265c3..e03e7bc8205e 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -91,6 +91,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist)
return 0;
}
+void perf_evlist__disable(struct perf_evlist *evlist)
+{
+ int cpu, thread;
+ struct perf_evsel *pos;
+
+ for (cpu = 0; cpu < evlist->cpus->nr; cpu++) {
+ list_for_each_entry(pos, &evlist->entries, node) {
+ for (thread = 0; thread < evlist->threads->nr; thread++)
+ ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE);
+ }
+ }
+}
+
int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
{
int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index b2b862374f37..ce85ae9ae57a 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -53,6 +53,8 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist);
int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite);
void perf_evlist__munmap(struct perf_evlist *evlist);
+void perf_evlist__disable(struct perf_evlist *evlist);
+
static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
struct cpu_map *cpus,
struct thread_map *threads)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index cb2959a3fb43..d4f3101773db 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -189,8 +189,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
const char *name, bool is_kallsyms)
{
const size_t size = PATH_MAX;
- char *realname, *filename = malloc(size),
- *linkname = malloc(size), *targetname;
+ char *realname, *filename = zalloc(size),
+ *linkname = zalloc(size), *targetname;
int len, err = -1;
if (is_kallsyms) {
@@ -254,8 +254,8 @@ static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
{
const size_t size = PATH_MAX;
- char *filename = malloc(size),
- *linkname = malloc(size);
+ char *filename = zalloc(size),
+ *linkname = zalloc(size);
int err = -1;
if (filename == NULL || linkname == NULL)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index b82d54fa2c56..1c7bfa5fe0a8 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1820,11 +1820,15 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev,
ret = -ENOMEM;
goto error;
}
- tev->point.module = strdup(module);
- if (tev->point.module == NULL) {
- ret = -ENOMEM;
- goto error;
+
+ if (module) {
+ tev->point.module = strdup(module);
+ if (tev->point.module == NULL) {
+ ret = -ENOMEM;
+ goto error;
+ }
}
+
tev->point.offset = pev->point.offset;
tev->point.retprobe = pev->point.retprobe;
tev->nargs = pev->nargs;
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 8e0b5a39d8a7..cbc8f215d4b7 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -187,16 +187,119 @@ static PyTypeObject pyrf_throttle_event__type = {
.tp_repr = (reprfunc)pyrf_throttle_event__repr,
};
+static char pyrf_lost_event__doc[] = PyDoc_STR("perf lost event object.");
+
+static PyMemberDef pyrf_lost_event__members[] = {
+ sample_members
+ member_def(lost_event, id, T_ULONGLONG, "event id"),
+ member_def(lost_event, lost, T_ULONGLONG, "number of lost events"),
+ { .name = NULL, },
+};
+
+static PyObject *pyrf_lost_event__repr(struct pyrf_event *pevent)
+{
+ PyObject *ret;
+ char *s;
+
+ if (asprintf(&s, "{ type: lost, id: %#" PRIx64 ", "
+ "lost: %#" PRIx64 " }",
+ pevent->event.lost.id, pevent->event.lost.lost) < 0) {
+ ret = PyErr_NoMemory();
+ } else {
+ ret = PyString_FromString(s);
+ free(s);
+ }
+ return ret;
+}
+
+static PyTypeObject pyrf_lost_event__type = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ .tp_name = "perf.lost_event",
+ .tp_basicsize = sizeof(struct pyrf_event),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_doc = pyrf_lost_event__doc,
+ .tp_members = pyrf_lost_event__members,
+ .tp_repr = (reprfunc)pyrf_lost_event__repr,
+};
+
+static char pyrf_read_event__doc[] = PyDoc_STR("perf read event object.");
+
+static PyMemberDef pyrf_read_event__members[] = {
+ sample_members
+ member_def(read_event, pid, T_UINT, "event pid"),
+ member_def(read_event, tid, T_UINT, "event tid"),
+ { .name = NULL, },
+};
+
+static PyObject *pyrf_read_event__repr(struct pyrf_event *pevent)
+{
+ return PyString_FromFormat("{ type: read, pid: %u, tid: %u }",
+ pevent->event.read.pid,
+ pevent->event.read.tid);
+ /*
+ * FIXME: return the array of read values,
+ * making this method useful ;-)
+ */
+}
+
+static PyTypeObject pyrf_read_event__type = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ .tp_name = "perf.read_event",
+ .tp_basicsize = sizeof(struct pyrf_event),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_doc = pyrf_read_event__doc,
+ .tp_members = pyrf_read_event__members,
+ .tp_repr = (reprfunc)pyrf_read_event__repr,
+};
+
+static char pyrf_sample_event__doc[] = PyDoc_STR("perf sample event object.");
+
+static PyMemberDef pyrf_sample_event__members[] = {
+ sample_members
+ member_def(perf_event_header, type, T_UINT, "event type"),
+ { .name = NULL, },
+};
+
+static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent)
+{
+ PyObject *ret;
+ char *s;
+
+ if (asprintf(&s, "{ type: sample }") < 0) {
+ ret = PyErr_NoMemory();
+ } else {
+ ret = PyString_FromString(s);
+ free(s);
+ }
+ return ret;
+}
+
+static PyTypeObject pyrf_sample_event__type = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ .tp_name = "perf.sample_event",
+ .tp_basicsize = sizeof(struct pyrf_event),
+ .tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
+ .tp_doc = pyrf_sample_event__doc,
+ .tp_members = pyrf_sample_event__members,
+ .tp_repr = (reprfunc)pyrf_sample_event__repr,
+};
+
static int pyrf_event__setup_types(void)
{
int err;
pyrf_mmap_event__type.tp_new =
pyrf_task_event__type.tp_new =
pyrf_comm_event__type.tp_new =
+ pyrf_lost_event__type.tp_new =
+ pyrf_read_event__type.tp_new =
+ pyrf_sample_event__type.tp_new =
pyrf_throttle_event__type.tp_new = PyType_GenericNew;
err = PyType_Ready(&pyrf_mmap_event__type);
if (err < 0)
goto out;
+ err = PyType_Ready(&pyrf_lost_event__type);
+ if (err < 0)
+ goto out;
err = PyType_Ready(&pyrf_task_event__type);
if (err < 0)
goto out;
@@ -206,20 +309,26 @@ static int pyrf_event__setup_types(void)
err = PyType_Ready(&pyrf_throttle_event__type);
if (err < 0)
goto out;
+ err = PyType_Ready(&pyrf_read_event__type);
+ if (err < 0)
+ goto out;
+ err = PyType_Ready(&pyrf_sample_event__type);
+ if (err < 0)
+ goto out;
out:
return err;
}
static PyTypeObject *pyrf_event__type[] = {
[PERF_RECORD_MMAP] = &pyrf_mmap_event__type,
- [PERF_RECORD_LOST] = &pyrf_mmap_event__type,
+ [PERF_RECORD_LOST] = &pyrf_lost_event__type,
[PERF_RECORD_COMM] = &pyrf_comm_event__type,
[PERF_RECORD_EXIT] = &pyrf_task_event__type,
[PERF_RECORD_THROTTLE] = &pyrf_throttle_event__type,
[PERF_RECORD_UNTHROTTLE] = &pyrf_throttle_event__type,
[PERF_RECORD_FORK] = &pyrf_task_event__type,
- [PERF_RECORD_READ] = &pyrf_mmap_event__type,
- [PERF_RECORD_SAMPLE] = &pyrf_mmap_event__type,
+ [PERF_RECORD_READ] = &pyrf_read_event__type,
+ [PERF_RECORD_SAMPLE] = &pyrf_sample_event__type,
};
static PyObject *pyrf_event__new(union perf_event *event)
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index bbc982f5dd8b..95d370074928 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -3,9 +3,27 @@
from distutils.core import setup, Extension
from os import getenv
+from distutils.command.build_ext import build_ext as _build_ext
+from distutils.command.install_lib import install_lib as _install_lib
+
+class build_ext(_build_ext):
+ def finalize_options(self):
+ _build_ext.finalize_options(self)
+ self.build_lib = build_lib
+ self.build_temp = build_tmp
+
+class install_lib(_install_lib):
+ def finalize_options(self):
+ _install_lib.finalize_options(self)
+ self.build_dir = build_lib
+
+
cflags = ['-fno-strict-aliasing', '-Wno-write-strings']
cflags += getenv('CFLAGS', '').split()
+build_lib = getenv('PYTHON_EXTBUILD_LIB')
+build_tmp = getenv('PYTHON_EXTBUILD_TMP')
+
perf = Extension('perf',
sources = ['util/python.c', 'util/ctype.c', 'util/evlist.c',
'util/evsel.c', 'util/cpumap.c', 'util/thread_map.c',
@@ -21,4 +39,5 @@ setup(name='perf',
author_email='acme@redhat.com',
license='GPLv2',
url='http://perf.wiki.kernel.org',
- ext_modules=[perf])
+ ext_modules=[perf],
+ cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index eec196329fd9..a8b53714542a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1504,6 +1504,17 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
dso->adjust_symbols = 0;
if (strncmp(dso->name, "/tmp/perf-", 10) == 0) {
+ struct stat st;
+
+ if (stat(dso->name, &st) < 0)
+ return -1;
+
+ if (st.st_uid && (st.st_uid != geteuid())) {
+ pr_warning("File %s not owned by current user or root, "
+ "ignoring it.\n", dso->name);
+ return -1;
+ }
+
ret = dso__load_perf_map(dso, map, filter);
dso->symtab_type = ret > 0 ? SYMTAB__JAVA_JIT :
SYMTAB__NOT_FOUND;
generated by cgit v1.2.3 (git 2.0.4) at 2025-01-30 07:03:22 +0000