aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/bench/mem-memcpy-x86-64-asm.S6
-rw-r--r--tools/perf/util/evsel.c1
-rw-r--r--tools/perf/util/probe-event.c4
-rw-r--r--tools/perf/util/sort.c3
-rw-r--r--tools/perf/util/trace-event-parse.c4
5 files changed, 17 insertions, 1 deletions
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S
index a57b66e..185a96d 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm.S
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S
@@ -1,2 +1,8 @@
#include "../../../arch/x86/lib/memcpy_64.S"
+/*
+ * We need to provide note.GNU-stack section, saying that we want
+ * NOT executable stack. Otherwise the final linking will assume that
+ * the ELF stack should not be restricted at all and set it RWX.
+ */
+.section .note.GNU-stack,"",@progbits
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0239eb8..ad2183c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -348,6 +348,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
data->cpu = data->pid = data->tid = -1;
data->stream_id = data->id = data->time = -1ULL;
+ data->period = 1;
if (event->header.type != PERF_RECORD_SAMPLE) {
if (!sample_id_all)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index f022316..8c50da8 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1869,8 +1869,10 @@ static int __del_trace_probe_event(int fd, struct str_node *ent)
pr_debug("Writing event: %s\n", buf);
ret = write(fd, buf, strlen(buf));
- if (ret < 0)
+ if (ret < 0) {
+ ret = -errno;
goto error;
+ }
printf("Remove event: %s\n", ent->s);
return 0;
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index f44fa54..0ffbc8e 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -122,6 +122,9 @@ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
}
}
va_end(ap);
+
+ if (n >= (int)size)
+ return size - 1;
return n;
}
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 0a7ed5b..bf54c48 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1537,6 +1537,8 @@ process_flags(struct event *event, struct print_arg *arg, char **tok)
field = malloc_or_die(sizeof(*field));
type = process_arg(event, field, &token);
+ while (type == EVENT_OP)
+ type = process_op(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;
@@ -1580,6 +1582,8 @@ process_symbols(struct event *event, struct print_arg *arg, char **tok)
field = malloc_or_die(sizeof(*field));
type = process_arg(event, field, &token);
+ while (type == EVENT_OP)
+ type = process_op(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;