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-rw-r--r--tools/perf/util/header.c48
-rw-r--r--tools/perf/util/include/linux/bitops.h2
-rw-r--r--tools/perf/util/map.c29
-rw-r--r--tools/perf/util/session.c12
-rw-r--r--tools/perf/util/session.h1
-rw-r--r--tools/perf/util/trace-event-parse.c3
6 files changed, 71 insertions, 24 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 2dd5edf161b7..e909d43cf542 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1942,7 +1942,6 @@ int perf_file_header__read(struct perf_file_header *header,
else
return -1;
} else if (ph->needs_swap) {
- unsigned int i;
/*
* feature bitmap is declared as an array of unsigned longs --
* not good since its size can differ between the host that
@@ -1958,14 +1957,17 @@ int perf_file_header__read(struct perf_file_header *header,
* file), punt and fallback to the original behavior --
* clearing all feature bits and setting buildid.
*/
- for (i = 0; i < BITS_TO_LONGS(HEADER_FEAT_BITS); ++i)
- header->adds_features[i] = bswap_64(header->adds_features[i]);
+ mem_bswap_64(&header->adds_features,
+ BITS_TO_U64(HEADER_FEAT_BITS));
if (!test_bit(HEADER_HOSTNAME, header->adds_features)) {
- for (i = 0; i < BITS_TO_LONGS(HEADER_FEAT_BITS); ++i) {
- header->adds_features[i] = bswap_64(header->adds_features[i]);
- header->adds_features[i] = bswap_32(header->adds_features[i]);
- }
+ /* unswap as u64 */
+ mem_bswap_64(&header->adds_features,
+ BITS_TO_U64(HEADER_FEAT_BITS));
+
+ /* unswap as u32 */
+ mem_bswap_32(&header->adds_features,
+ BITS_TO_U32(HEADER_FEAT_BITS));
}
if (!test_bit(HEADER_HOSTNAME, header->adds_features)) {
@@ -2091,6 +2093,35 @@ static int read_attr(int fd, struct perf_header *ph,
return ret <= 0 ? -1 : 0;
}
+static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel)
+{
+ struct event_format *event = trace_find_event(evsel->attr.config);
+ char bf[128];
+
+ if (event == NULL)
+ return -1;
+
+ snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name);
+ evsel->name = strdup(bf);
+ if (event->name == NULL)
+ return -1;
+
+ return 0;
+}
+
+static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist)
+{
+ struct perf_evsel *pos;
+
+ list_for_each_entry(pos, &evlist->entries, node) {
+ if (pos->attr.type == PERF_TYPE_TRACEPOINT &&
+ perf_evsel__set_tracepoint_name(pos))
+ return -1;
+ }
+
+ return 0;
+}
+
int perf_session__read_header(struct perf_session *session, int fd)
{
struct perf_header *header = &session->header;
@@ -2172,6 +2203,9 @@ int perf_session__read_header(struct perf_session *session, int fd)
lseek(fd, header->data_offset, SEEK_SET);
+ if (perf_evlist__set_tracepoint_names(session->evlist))
+ goto out_delete_evlist;
+
header->frozen = 1;
return 0;
out_errno:
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h
index f1584833bd22..587a230d2075 100644
--- a/tools/perf/util/include/linux/bitops.h
+++ b/tools/perf/util/include/linux/bitops.h
@@ -8,6 +8,8 @@
#define BITS_PER_LONG __WORDSIZE
#define BITS_PER_BYTE 8
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
+#define BITS_TO_U64(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u64))
+#define BITS_TO_U32(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u32))
#define for_each_set_bit(bit, addr, size) \
for ((bit) = find_first_bit((addr), (size)); \
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 35ae56864e4f..a1f4e3669142 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -669,25 +669,26 @@ struct machine *machines__find(struct rb_root *self, pid_t pid)
struct machine *machines__findnew(struct rb_root *self, pid_t pid)
{
char path[PATH_MAX];
- const char *root_dir;
+ const char *root_dir = "";
struct machine *machine = machines__find(self, pid);
- if (!machine || machine->pid != pid) {
- if (pid == HOST_KERNEL_ID || pid == DEFAULT_GUEST_KERNEL_ID)
- root_dir = "";
- else {
- if (!symbol_conf.guestmount)
- goto out;
- sprintf(path, "%s/%d", symbol_conf.guestmount, pid);
- if (access(path, R_OK)) {
- pr_err("Can't access file %s\n", path);
- goto out;
- }
- root_dir = path;
+ if (machine && (machine->pid == pid))
+ goto out;
+
+ if ((pid != HOST_KERNEL_ID) &&
+ (pid != DEFAULT_GUEST_KERNEL_ID) &&
+ (symbol_conf.guestmount)) {
+ sprintf(path, "%s/%d", symbol_conf.guestmount, pid);
+ if (access(path, R_OK)) {
+ pr_err("Can't access file %s\n", path);
+ machine = NULL;
+ goto out;
}
- machine = machines__add(self, pid, root_dir);
+ root_dir = path;
}
+ machine = machines__add(self, pid, root_dir);
+
out:
return machine;
}
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 2600916efa83..56142d0fb8d7 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -442,6 +442,16 @@ static void perf_tool__fill_defaults(struct perf_tool *tool)
tool->finished_round = process_finished_round_stub;
}
}
+
+void mem_bswap_32(void *src, int byte_size)
+{
+ u32 *m = src;
+ while (byte_size > 0) {
+ *m = bswap_32(*m);
+ byte_size -= sizeof(u32);
+ ++m;
+ }
+}
void mem_bswap_64(void *src, int byte_size)
{
@@ -916,7 +926,7 @@ static struct machine *
else
pid = event->ip.pid;
- return perf_session__find_machine(session, pid);
+ return perf_session__findnew_machine(session, pid);
}
return perf_session__find_host_machine(session);
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 7a5434c00565..0c702e3f0a36 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -80,6 +80,7 @@ struct branch_info *machine__resolve_bstack(struct machine *self,
bool perf_session__has_traces(struct perf_session *self, const char *msg);
void mem_bswap_64(void *src, int byte_size);
+void mem_bswap_32(void *src, int byte_size);
void perf_event__attr_swap(struct perf_event_attr *attr);
int perf_session__create_kernel_maps(struct perf_session *self);
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index df2fddbf0cd2..5dd3b5ec8411 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -198,9 +198,8 @@ void print_trace_event(int cpu, void *data, int size)
record.data = data;
trace_seq_init(&s);
- pevent_print_event(pevent, &s, &record);
+ pevent_event_info(&s, event, &record);
trace_seq_do_printf(&s);
- printf("\n");
}
void print_event(int cpu, void *data, int size, unsigned long long nsecs,
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-23 01:15:48 +0300