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-rw-r--r--tools/perf/util/event.c16
-rw-r--r--tools/perf/util/event.h2
-rw-r--r--tools/perf/util/evlist.c68
-rw-r--r--tools/perf/util/evlist.h6
-rw-r--r--tools/perf/util/evsel.c16
-rw-r--r--tools/perf/util/evsel.h7
-rw-r--r--tools/perf/util/python.c14
-rw-r--r--tools/perf/util/session.c12
8 files changed, 82 insertions, 59 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 0fe9adf..3c1b8a6 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -35,22 +35,6 @@ const char *perf_event__name(unsigned int id)
return perf_event__names[id];
}
-int perf_sample_size(u64 sample_type)
-{
- u64 mask = sample_type & PERF_SAMPLE_MASK;
- int size = 0;
- int i;
-
- for (i = 0; i < 64; i++) {
- if (mask & (1ULL << i))
- size++;
- }
-
- size *= sizeof(u64);
-
- return size;
-}
-
static struct perf_sample synth_sample = {
.pid = -1,
.tid = -1,
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index c083328..1d7f664 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -82,8 +82,6 @@ struct perf_sample {
struct ip_callchain *callchain;
};
-int perf_sample_size(u64 sample_type);
-
#define BUILD_ID_SIZE 20
struct build_id_event {
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 50aa348..b021ea9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -12,7 +12,6 @@
#include "evlist.h"
#include "evsel.h"
#include "util.h"
-#include "debug.h"
#include <sys/mman.h>
@@ -257,19 +256,15 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
return evlist->mmap != NULL ? 0 : -ENOMEM;
}
-static int __perf_evlist__mmap(struct perf_evlist *evlist, struct perf_evsel *evsel,
+static int __perf_evlist__mmap(struct perf_evlist *evlist,
int idx, int prot, int mask, int fd)
{
evlist->mmap[idx].prev = 0;
evlist->mmap[idx].mask = mask;
evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot,
MAP_SHARED, fd, 0);
- if (evlist->mmap[idx].base == MAP_FAILED) {
- if (evlist->cpus->map[idx] == -1 && evsel->attr.inherit)
- ui__warning("Inherit is not allowed on per-task "
- "events using mmap.\n");
+ if (evlist->mmap[idx].base == MAP_FAILED)
return -1;
- }
perf_evlist__add_pollfd(evlist, fd);
return 0;
@@ -289,7 +284,7 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, int prot, int m
if (output == -1) {
output = fd;
- if (__perf_evlist__mmap(evlist, evsel, cpu,
+ if (__perf_evlist__mmap(evlist, cpu,
prot, mask, output) < 0)
goto out_unmap;
} else {
@@ -329,7 +324,7 @@ static int perf_evlist__mmap_per_thread(struct perf_evlist *evlist, int prot, in
if (output == -1) {
output = fd;
- if (__perf_evlist__mmap(evlist, evsel, thread,
+ if (__perf_evlist__mmap(evlist, thread,
prot, mask, output) < 0)
goto out_unmap;
} else {
@@ -460,33 +455,46 @@ int perf_evlist__set_filters(struct perf_evlist *evlist)
return 0;
}
-u64 perf_evlist__sample_type(struct perf_evlist *evlist)
+bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)
{
- struct perf_evsel *pos;
- u64 type = 0;
-
- list_for_each_entry(pos, &evlist->entries, node) {
- if (!type)
- type = pos->attr.sample_type;
- else if (type != pos->attr.sample_type)
- die("non matching sample_type");
+ struct perf_evsel *pos, *first;
+
+ pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+ list_for_each_entry_continue(pos, &evlist->entries, node) {
+ if (first->attr.sample_type != pos->attr.sample_type)
+ return false;
}
- return type;
+ return true;
}
-bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+u64 perf_evlist__sample_type(const struct perf_evlist *evlist)
+{
+ struct perf_evsel *first;
+
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ return first->attr.sample_type;
+}
+
+bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
{
- bool value = false, first = true;
- struct perf_evsel *pos;
-
- list_for_each_entry(pos, &evlist->entries, node) {
- if (first) {
- value = pos->attr.sample_id_all;
- first = false;
- } else if (value != pos->attr.sample_id_all)
- die("non matching sample_id_all");
+ struct perf_evsel *pos, *first;
+
+ pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+ list_for_each_entry_continue(pos, &evlist->entries, node) {
+ if (first->attr.sample_id_all != pos->attr.sample_id_all)
+ return false;
}
- return value;
+ return true;
+}
+
+bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+{
+ struct perf_evsel *first;
+
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+ return first->attr.sample_id_all;
}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 0a1ef1f..b2b8623 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -66,7 +66,9 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
void perf_evlist__delete_maps(struct perf_evlist *evlist);
int perf_evlist__set_filters(struct perf_evlist *evlist);
-u64 perf_evlist__sample_type(struct perf_evlist *evlist);
-bool perf_evlist__sample_id_all(const struct perf_evlist *evlist);
+u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
+bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
+bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
+bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index cca29ed..0239eb8 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -15,6 +15,22 @@
#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
+int __perf_evsel__sample_size(u64 sample_type)
+{
+ u64 mask = sample_type & PERF_SAMPLE_MASK;
+ int size = 0;
+ int i;
+
+ for (i = 0; i < 64; i++) {
+ if (mask & (1ULL << i))
+ size++;
+ }
+
+ size *= sizeof(u64);
+
+ return size;
+}
+
void perf_evsel__init(struct perf_evsel *evsel,
struct perf_event_attr *attr, int idx)
{
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index f79bb2c..7e9366e 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -149,4 +149,11 @@ static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
return __perf_evsel__read(evsel, ncpus, nthreads, true);
}
+int __perf_evsel__sample_size(u64 sample_type);
+
+static inline int perf_evsel__sample_size(struct perf_evsel *evsel)
+{
+ return __perf_evsel__sample_size(evsel->attr.sample_type);
+}
+
#endif /* __PERF_EVSEL_H */
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 69436b3..a9ac050 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -674,7 +674,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
struct perf_evlist *evlist = &pevlist->evlist;
union perf_event *event;
int sample_id_all = 1, cpu;
- static char *kwlist[] = {"sample_id_all", NULL, NULL};
+ static char *kwlist[] = {"cpu", "sample_id_all", NULL, NULL};
int err;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
@@ -692,16 +692,14 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
first = list_entry(evlist->entries.next, struct perf_evsel, node);
err = perf_event__parse_sample(event, first->attr.sample_type,
- perf_sample_size(first->attr.sample_type),
+ perf_evsel__sample_size(first),
sample_id_all, &pevent->sample);
- if (err) {
- pr_err("Can't parse sample, err = %d\n", err);
- goto end;
- }
-
+ if (err)
+ return PyErr_Format(PyExc_OSError,
+ "perf: can't parse sample, err=%d", err);
return pyevent;
}
-end:
+
Py_INCREF(Py_None);
return Py_None;
}
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 64500fc..f5a8fbd 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -58,6 +58,16 @@ static int perf_session__open(struct perf_session *self, bool force)
goto out_close;
}
+ if (!perf_evlist__valid_sample_type(self->evlist)) {
+ pr_err("non matching sample_type");
+ goto out_close;
+ }
+
+ if (!perf_evlist__valid_sample_id_all(self->evlist)) {
+ pr_err("non matching sample_id_all");
+ goto out_close;
+ }
+
self->size = input_stat.st_size;
return 0;
@@ -97,7 +107,7 @@ out:
void perf_session__update_sample_type(struct perf_session *self)
{
self->sample_type = perf_evlist__sample_type(self->evlist);
- self->sample_size = perf_sample_size(self->sample_type);
+ self->sample_size = __perf_evsel__sample_size(self->sample_type);
self->sample_id_all = perf_evlist__sample_id_all(self->evlist);
perf_session__id_header_size(self);
}
generated by cgit v1.1 at 2024-12-23 03:41:46 +0000